Science.gov

Sample records for edgar alian poe

  1. Edgar Allan Poe and neurology.

    PubMed

    Teive, Hélio Afonso Ghizoni; Paola, Luciano de; Munhoz, Renato Puppi

    2014-06-01

    Edgar Allan Poe was one of the most celebrated writers of all time. He published several masterpieces, some of which include references to neurological diseases. Poe suffered from recurrent depression, suggesting a bipolar disorder, as well as alcohol and drug abuse, which in fact led to his death from complications related to alcoholism. Various hypotheses were put forward, including Wernicke's encephalopathy. PMID:24964115

  2. Edgar Allan Poe's Physical Cosmology

    NASA Astrophysics Data System (ADS)

    Cappi, Alberto

    1994-06-01

    In this paper I describe the scientific content of Eureka, the prose poem written by Edgar Allan Poe in 1848. In that work, starting from metaphysical assumptions, Poe claims that the Universe is finite in an infinite Space, and that it was originated from a primordial Particle, whose fragmentation under the action of a repulsive force caused a diffusion of atoms in space. I will show that his subsequently collapsing universe represents a scientifically acceptable Newtonian model. In the framework of his evolving universe, Poe makes use of contemporary astronomical knowledge, deriving modern concepts such as a primordial atomic state of the universe and a common epoch of galaxy formation. Harrison found in Eureka the first, qualitative solution of the Olbers' paradox; I show that Poe also applies in a modern way the anthropic principle, trying to explain why the Universe is so large.

  3. The Cosmology of Edgar Allan Poe

    NASA Astrophysics Data System (ADS)

    Cappi, Alberto

    2011-06-01

    Eureka is a ``prose poem'' published in 1848, where Edgar Allan Poe presents his original cosmology. While starting from metaphysical assumptions, Poe develops an evolving Newtonian model of the Universe which has many and non casual analogies with modern cosmology. Poe was well informed about astronomical and physical discoveries, and he was influenced by both contemporary science and ancient ideas. For these reasons, Eureka is a unique synthesis of metaphysics, art and science.

  4. [The medical history of Edgar Allan Poe].

    PubMed

    Miranda C, Marcelo

    2007-09-01

    Edgar Allan Poe, one of the best American storytellers and poets, suffered an episodic behaviour disorder partially triggered by alcohol and opiate use. Much confusion still exists about the last days of his turbulent life and the cause of his death at an early age. Different etiologies have been proposed to explain his main medical problem, however, complex partial seizures triggered by alcohol, poorly recognized at the time when Poe lived, seems to be one of the most acceptable hypothesis, among others discussed. PMID:18064380

  5. Princess Marie Bonaparte, Edgar Allan Poe, and psychobiography.

    PubMed

    Warner, S L

    1991-01-01

    Princess Marie Bonaparte was a colorful yet mysterious member of Freud's inner circle of psychoanalysis. In analysis with Freud beginning in 1925 (she was then 45 years old), she became a lay analyst and writer of many papers and books. Her most ambitious task was a 700-page psychobiography of Edgar Allan Poe that was first published in French in 1933. She was fascinated by Poe's gothic stories--with the return to life of dead persons and the eerie, unexpected turns of events. Her fascination with Poe can be traced to the similarity of their early traumatic life experiences. Bonaparte had lost her mother a month after her birth. Poe's father deserted the family when Edgar was two years old, and his mother died of tuberculosis when he was three. Poe's stories helped him to accommodate to these early traumatic losses. Bonaparte vicariously shared in Poe's loss and the fantasies of the return of the deceased parent in his stories. She was sensitive and empathetic to Poe's inner world because her inner world was similar. The result of this psychological fit between Poe and Bonaparte was her psychobiography, The Life and Works of Edgar Allan Poe. It was a milestone in psychobiography but limited in its psychological scope by its strong emphasis on early childhood trauma. Nevertheless it proved Bonaparte a bona fide creative psychoanalyst and not a dilettante propped up by her friendship with Freud. PMID:1744021

  6. Edgar Allan Poe: The Army Years.

    ERIC Educational Resources Information Center

    Russell, J. Thomas

    This issue of the United States Military Academy Library Bulletin reviews the reported facts of Poe's biography from his enlistment at the age of 15 to the termination of his military sojourn. The 1831 and the 1966 Corps of Cadets' subscriptions for Poe's "Poems" are also discussed, and a long-term inaccuracy regarding the poet's West Point…

  7. Seizures in the life and works of Edgar Allan Poe.

    PubMed

    Bazil, C W

    1999-06-01

    Edgar Allan Poe, one of the most celebrated of American storytellers, lived through and wrote descriptions of episodic unconsciousness, confusion, and paranoia. These symptoms have been attributed to alcohol or drug abuse but also could represent complex partial seizures, prolonged postictal states, or postictal psychosis. Complex partial seizures were not well described in Poe's time, which could explain a misdiagnosis. Alternatively, he may have suffered from complex partial epilepsy that was complicated or caused by substance abuse. Even today, persons who have epilepsy are mistaken for substance abusers and occasionally are arrested during postictal confusional states. Poe was able to use creative genius and experiences from illness to create memorable tales and poignant poems. PMID:10369317

  8. Radial forcing and Edgar Allan Poe's lengthening pendulum

    NASA Astrophysics Data System (ADS)

    McMillan, Matthew; Blasing, David; Whitney, Heather M.

    2013-09-01

    Inspired by Edgar Allan Poe's The Pit and the Pendulum, we investigate a radially driven, lengthening pendulum. We first show that increasing the length of an undriven pendulum at a uniform rate does not amplify the oscillations in a manner consistent with the behavior of the scythe in Poe's story. We discuss parametric amplification and the transfer of energy (through the parameter of the pendulum's length) to the oscillating part of the system. In this manner, radial driving can easily and intuitively be understood, and the fundamental concept applied in many other areas. We propose and show by a numerical model that appropriately timed radial forcing can increase the oscillation amplitude in a manner consistent with Poe's story. Our analysis contributes a computational exploration of the complex harmonic motion that can result from radially driving a pendulum and sheds light on a mechanism by which oscillations can be amplified parametrically. These insights should prove especially valuable in the undergraduate physics classroom, where investigations into pendulums and oscillations are commonplace.

  9. Observation, Inference, and Imagination: Elements of Edgar Allan Poe's Philosophy of Science

    ERIC Educational Resources Information Center

    Gelfert, Axel

    2014-01-01

    Edgar Allan Poe's standing as a literary figure, who drew on (and sometimes dabbled in) the scientific debates of his time, makes him an intriguing character for any exploration of the historical interrelationship between science, literature and philosophy. His sprawling "prose-poem" "Eureka" (1848), in particular, has…

  10. Edgar Allan Poe: a case description of the Marfan syndrome in an obscure short story.

    PubMed

    Battle, Robert W

    2011-07-01

    In the obscure short story “A Tale of the Ragged Mountains,” Edgar Allen Poe meticulously described a character with features remarkably consistent with the Marfan syndrome. This description appeared in fiction >50 years before the celebrated index description in the published medical research by Professor Antoine Marfan in Paris in 1896. PMID:21823264

  11. Edgar Allan Poe's "Ligeia": an object-relational interpretation.

    PubMed

    Zlotnick-Woldenberg, C

    1999-01-01

    This paper argues that Poe's short story "Ligeia," in which the narrator experiences the death of his adored first wife (Ligeia), a second marriage to the despised Rowena, and ultimately the death of Rowena and the revivification of Ligeia, is not a supernatural tale, but rather a psychological one. According to this reading, the poisoning of Rowena and the revivification of Ligeia are hallucinated by the narrator in the course of an opium-induced psychotic break. The antecedents to this break are explored in light of object relations theory, with particular emphasis placed on the way in which the two women function as part objects. Ligeia represents the narrator's romantic and spiritual side and is associated with the good mother, while Rowena, who represents his more mundane and materialistic side, is associated with the rejecting mother. It is argued that the narrator, functioning primarily in the schizoid position and employing such defense mechanisms as splitting and projection--which already require a high degree of fantasy--is not an unlikely candidate for such a break. PMID:10586302

  12. THE DEAD-LIVING-MOTHER: MARIE BONAPARTE'S INTERPRETATION OF EDGAR ALLAN POE'S SHORT STORIES.

    PubMed

    Obaid, Francisco Pizarro

    2016-06-01

    Princess Marie Bonaparte is an important figure in the history of psychoanalysis, remembered for her crucial role in arranging Freud's escape to safety in London from Nazi Vienna, in 1938. This paper connects us to Bonaparte's work on Poe's short stories. Founded on concepts of Freudian theory and an exhaustive review of the biographical facts, Marie Bonaparte concluded that the works of Edgar Allan Poe drew their most powerful inspirational force from the psychological consequences of the early death of the poet's mother. In Bonaparte's approach, which was powerfully influenced by her recognition of the impact of the death of her own mother when she was born-an understanding she gained in her analysis with Freud-the thesis of the dead-living-mother achieved the status of a paradigmatic key to analyze and understand Poe's literary legacy. This paper explores the background and support of this hypothesis and reviews Bonaparte's interpretation of Poe's most notable short stories, in which extraordinary female figures feature in the narrative. PMID:27194275

  13. Observation, Inference, and Imagination: Elements of Edgar Allan Poe's Philosophy of Science

    NASA Astrophysics Data System (ADS)

    Gelfert, Axel

    2014-03-01

    Edgar Allan Poe's standing as a literary figure, who drew on (and sometimes dabbled in) the scientific debates of his time, makes him an intriguing character for any exploration of the historical interrelationship between science, literature and philosophy. His sprawling `prose-poem' Eureka (1848), in particular, has sometimes been scrutinized for anticipations of later scientific developments. By contrast, the present paper argues that it should be understood as a contribution to the raging debates about scientific methodology at the time. This methodological interest, which is echoed in Poe's `tales of ratiocination', gives rise to a proposed new mode of—broadly abductive—inference, which Poe attributes to the hybrid figure of the `poet-mathematician'. Without creative imagination and intuition, Science would necessarily remain incomplete, even by its own standards. This concern with imaginative (abductive) inference ties in nicely with his coherentism, which grants pride of place to the twin virtues of Simplicity and Consistency, which must constrain imagination lest it degenerate into mere fancy.

  14. The final days of Edgar Allan Poe: clues to an old mystery using 21st century medical science.

    PubMed

    Francis, Roger A

    This study examines all documented information regarding the final days and death of Edgar Allan Poe (1809-1849), in an attempt to determine the most likely cause of death of the American poet, short story writer, and literary critic. Information was gathered from letters, newspaper accounts, and magazine articles written during the period after Poe's death, and also from biographies and medical journal articles written up until the present. A chronology of Poe's final days was constructed, and this was used to form a differential diagnosis of possible causes of death. Death theories over the last 160 years were analyzed using this information. This analysis, along with a review of Poe's past medical history, would seem to support an alcohol-related cause of death. PMID:20222235

  15. Balancing between sensitization and repression: the role of opium in the life and art of Edgar Allan Poe and Samuel Taylor Coleridge.

    PubMed

    Iszáj, Fruzsina; Demetrovics, Zsolt

    2011-01-01

    The creative process contains both conscious and unconscious work. Therefore, artists have to face their unconscious processes and work with emotional material that is difficult to keep under control in the course of artistic creation. Bringing these contents of consciousness to the surface needs special sensitivity and special control functions while working with them. Considering these mechanisms, psychoactive substance can serve a double function in the case of artists. On the one hand, chemical substances may enhance the artists' sensitivity. On the other hand, they can help moderate the hypersensitivity and repress extreme emotions and burdensome contents of consciousness. The authors posit how the use of opiates could have influenced the life and creative work of Edgar Allan Poe and Samuel Taylor Coleridge. PMID:21859403

  16. Poe and Prolixity.

    ERIC Educational Resources Information Center

    Powers, John

    1990-01-01

    Describes a method of teaching Edgar Allan Poe's writings which uses writing as a tool to decipher the story and to teach a valuable lesson in creative writing and style, and which shows students how a text changes when it is either abridged or adapted. (SR)

  17. Expressing Yourself Poe-etically

    ERIC Educational Resources Information Center

    Gillespie, Joanne S.

    2011-01-01

    Middle grades teachers should create meaningful learning activities involving stimulating literature and interesting composition prompts. This article describes a unit in which eighth graders read short stories by Edgar Allan Poe. Using multiple learning and teaching approaches, they expanded their vocabularies, responded artistically to "The…

  18. Horror from the Soul--Gothic Style in Allan Poe's Horror Fictions

    ERIC Educational Resources Information Center

    Sun, Chunyan

    2015-01-01

    Edgar Allan Poe made tremendous contribution to horror fiction. Poe's inheritance of gothic fiction and American literature tradition combined with his living experience forms the background of his horror fictions. He inherited the tradition of the gothic fictions and made innovations on it, so as to penetrate to subconsciousness. Poe's horror…

  19. The Doubling Moment: Resurrecting Edgar Allan Poe

    ERIC Educational Resources Information Center

    Minnick, J. Bradley; Mergil, Fernando

    2008-01-01

    This article expands upon Jeffrey Wilhelm's and Brian Edmiston's (1998) concept of a doubling of viewpoints by encouraging middle level students to use dramatization to take on multiple perspectives, to pose interpretive questions, and to enhance critical inquiry from inside and outside of texts. The doubling moment is both the activation of…

  20. "Why Will You Say That I Am Mad?" Using Poe's "Tell-Tale Heart" as a Composition Model.

    ERIC Educational Resources Information Center

    Bates, Laura Raidonis

    1998-01-01

    Describes an exercise for basic writers which encompasses reading, listening, and writing. Finds that Edgar Allan Poe's "Tell-Tale Heart" has an effective vocabulary, a first-person conversational tone for the "mad" voice, and a second-person direct address that makes it easy to follow. Notes that inexperienced readers can follow the plot. (PA)

  1. American Zodiac: Astronomical signs in Dickinson, Melville, and Poe

    NASA Astrophysics Data System (ADS)

    Ricca, Bradley James

    2003-11-01

    Science and literature, two means of inquiry now thought in opposition (if not posed as outright contradiction) emerged for a moment in the nineteenth century as provocatively complimentary in their methods of reading. In America, astronomy in particular provided a rich, complex subject for writers of the imagination to think about in terms of content and methodology. The purpose of my study is to uncover these unacknowledged astronomical referents in the works of Emily Dickinson, Herman Melville, and Edgar Allan Poe, and engage them as interpretive contexts in new readings of their most esoteric projects; specifically, Dickinson's solstice and circumference poetry, the Plinlimmon pamphlet in Melville's Pierre, and Poe's Eureka. After providing historical context through the shared public experience of the 1833 Leonid Meteor Storm, I uncover several astronomical and scientific sources for these writers: Denison Olmsted for Dickinson; Gauss and Plotinus for Melville; and Kepler and Alexander von Humboldt for Poe, among others. Exploring these sources in close readings of their works, I find that these authors employ astronomical facts in very different, metaphorical ways in response to the larger challenge of navigating their own poetics between the emerging new laws of science and the immeasurability of human feeling evoked by the unknown Universe.

  2. Edgar Degas in New Orleans

    ERIC Educational Resources Information Center

    Herberholz, Barbara

    2009-01-01

    Edgar Degas was not yet famous, but was on the point of aesthetic and commercial success when he left Paris in the fall for his New Orleans visit of about four months, during which time he painted 22 major works. It might be said that he was having a midlife crisis at this time. He had been painting ballet and horse pictures to assist his father's…

  3. Looking southeast down the Turtle Creek Valley at the Edgar ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Looking southeast down the Turtle Creek Valley at the Edgar Thomson works from a bluff at North Braddock (Martin Stupich) - U.S. Steel Edgar Thomson Works, Along Monongahela River, Braddock, Allegheny County, PA

  4. 76 FR 1514 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-01-11

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual to reflect... December 13, 2010. The filer manual is also being revised to address changes previously made in EDGAR...

  5. 75 FR 55965 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-09-15

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual to reflect.... The revisions to the Filer Manual reflect changes within Volume II entitled EDGAR Filer Manual,...

  6. 78 FR 29616 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-05-21

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual and related... incorporation by reference of the EDGAR Filer Manual is approved by the Director of the Federal Register as...

  7. 78 FR 4766 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-01-23

    ... COMMISSION 17 CFR Parts 232, 239, 249, 269, 274 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and...) Filer Manual and related rules to reflect updates to the EDGAR system. The revisions are being made...: Effective Date: January 23, 2013. The incorporation by reference of the EDGAR Filer Manual is approved...

  8. 78 FR 60684 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-10-02

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual and related... incorporation by reference of the EDGAR Filer Manual is approved by the Director of the Federal Register as...

  9. 77 FR 54806 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-09-06

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual and related.... DATES: Effective Date: September 6, 2012. The incorporation by reference of the EDGAR Filer Manual...

  10. 78 FR 46256 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-31

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual and related..., 2013. DATES: Effective July 31, 2013. The incorporation by reference of the EDGAR Filer Manual...

  11. Emission Database for Global Atmospheric Research (EDGAR).

    ERIC Educational Resources Information Center

    Olivier, J. G. J.; And Others

    1994-01-01

    Presents the objective and methodology chosen for the construction of a global emissions source database called EDGAR and the structural design of the database system. The database estimates on a regional and grid basis, 1990 annual emissions of greenhouse gases, and of ozone depleting compounds from all known sources. (LZ)

  12. [The image of animal magnetism in fictional literature: the cases of Poe, Doyle and Du Maurier].

    PubMed

    Bonet Safont, Juan Marcos

    2014-01-01

    In this article, we focus on the social image of the phenomenon known as mesmerism, or animal magnetism, through analysis of the works: The Facts in the Case of M. Valdemar (1845) by Edgar Allan Poe, The Great Keinplatz Experiment (1885) by Conan Doyle and Trilby (1894) by George Du Maurier. We describe the stereotype of the mesmerist and the uses of mesmerism observed. We pay attention to the spaces and actors of the mesmeric transcript presented in the stories. We consider the reception of these stories by the public and the relationship of the authors with mesmeric and hypnotic knowledge. Nowadays, academic researchers in the discipline of psychology publish articles and books on popular myths about hypnosis in attempts to depict the distorted images related to this phenomenon. This distorted image of the hypnotic process and the hypnotist derives from "circus" hypnotism shows (stage hypnosis), the cinema, television and fictional literature. Works of fiction represent a unique and invaluable source of information, ideas, speculations, concerns and opportunities around animal magnetism and hypnosis, and the exploration and analysis of this literature is an essential chapter in any historical study of this topic. We see how the literary use of mesmerism by Poe, Doyle and Du Maurier is not chance or peripheral, with all three being intellectually interested in and stimulated by these ideas. PMID:25481969

  13. [The image of animal magnetism in fictional literature: the cases of Poe, Doyle and Du Maurier].

    PubMed

    Bonet Safont, Juan Marcos

    2014-01-01

    In this article, we focus on the social image of the phenomenon known as mesmerism, or animal magnetism, through analysis of the works: The Facts in the Case of M. Valdemar (1845) by Edgar Allan Poe, The Great Keinplatz Experiment (1885) by Conan Doyle and Trilby (1894) by George Du Maurier. We describe the stereotype of the mesmerist and the uses of mesmerism observed. We pay attention to the spaces and actors of the mesmeric transcript presented in the stories. We consider the reception of these stories by the public and the relationship of the authors with mesmeric and hypnotic knowledge. Nowadays, academic researchers in the discipline of psychology publish articles and books on popular myths about hypnosis in attempts to depict the distorted images related to this phenomenon. This distorted image of the hypnotic process and the hypnotist derives from "circus" hypnotism shows (stage hypnosis), the cinema, television and fictional literature. Works of fiction represent a unique and invaluable source of information, ideas, speculations, concerns and opportunities around animal magnetism and hypnosis, and the exploration and analysis of this literature is an essential chapter in any historical study of this topic. We see how the literary use of mesmerism by Poe, Doyle and Du Maurier is not chance or peripheral, with all three being intellectually interested in and stimulated by these ideas. PMID:25508821

  14. 77 FR 62431 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-10-15

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual and related... Manual is approved by the Director of the Federal Register as of October 15, 2012. FOR...

  15. 77 FR 19077 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-03-30

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual to reflect... system is scheduled to be upgraded to support this functionality on March 26, 2012. The filer manual...

  16. 76 FR 47438 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-08-05

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual to reflect... functionality on August 1, 2011. The filer manual is also being revised to address changes previously made...

  17. 75 FR 17853 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-04-08

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual to reflect... functionality on April 12, 2010. The filer manual is also being revised to address minor changes previously...

  18. 76 FR 73506 - Adoption of Updated EDGAR Filer Manual

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-11-29

    ... COMMISSION 17 CFR Part 232 Adoption of Updated EDGAR Filer Manual AGENCY: Securities and Exchange Commission... revisions to the Electronic Data Gathering, Analysis, and Retrieval System (EDGAR) Filer Manual to reflect... November 21, 2011. The filer manual is also being revised to address changes previously made in...

  19. 34 CFR 303.25 - EDGAR definitions that apply.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... TODDLERS WITH DISABILITIES General Purpose, Eligibility, and Other General Provisions § 303.25 EDGAR definitions that apply. The following terms used in this part are defined in 34 CFR 77.1: Applicant...

  20. A Hidden Portrait by Edgar Degas.

    PubMed

    Thurrowgood, David; Paterson, David; de Jonge, Martin D; Kirkham, Robin; Thurrowgood, Saul; Howard, Daryl L

    2016-01-01

    The preservation and understanding of cultural heritage depends increasingly on in-depth chemical studies. Rapid technological advances are forging connections between scientists and arts communities, enabling revolutionary new techniques for non-invasive technical study of culturally significant, highly prized artworks. We have applied a non-invasive, rapid, high definition X-ray fluorescence (XRF) elemental mapping technique to a French Impressionist painting using a synchrotron radiation source, and show how this technology can advance scholarly art interpretation and preservation. We have obtained detailed technical understanding of a painting which could not be resolved by conventional techniques. Here we show 31.6 megapixel scanning XRF derived elemental maps and report a novel image processing methodology utilising these maps to produce a false colour representation of a "hidden" portrait by Edgar Degas. This work provides a cohesive methodology for both imaging and understanding the chemical composition of artworks, and enables scholarly understandings of cultural heritage, many of which have eluded conventional technologies. We anticipate that the outcome from this work will encourage the reassessment of some of the world's great art treasures. PMID:27490856

  1. A Hidden Portrait by Edgar Degas

    PubMed Central

    Thurrowgood, David; Paterson, David; de Jonge, Martin D.; Kirkham, Robin; Thurrowgood, Saul; Howard, Daryl L.

    2016-01-01

    The preservation and understanding of cultural heritage depends increasingly on in-depth chemical studies. Rapid technological advances are forging connections between scientists and arts communities, enabling revolutionary new techniques for non-invasive technical study of culturally significant, highly prized artworks. We have applied a non-invasive, rapid, high definition X-ray fluorescence (XRF) elemental mapping technique to a French Impressionist painting using a synchrotron radiation source, and show how this technology can advance scholarly art interpretation and preservation. We have obtained detailed technical understanding of a painting which could not be resolved by conventional techniques. Here we show 31.6 megapixel scanning XRF derived elemental maps and report a novel image processing methodology utilising these maps to produce a false colour representation of a “hidden” portrait by Edgar Degas. This work provides a cohesive methodology for both imaging and understanding the chemical composition of artworks, and enables scholarly understandings of cultural heritage, many of which have eluded conventional technologies. We anticipate that the outcome from this work will encourage the reassessment of some of the world’s great art treasures. PMID:27490856

  2. A Hidden Portrait by Edgar Degas

    NASA Astrophysics Data System (ADS)

    Thurrowgood, David; Paterson, David; de Jonge, Martin D.; Kirkham, Robin; Thurrowgood, Saul; Howard, Daryl L.

    2016-08-01

    The preservation and understanding of cultural heritage depends increasingly on in-depth chemical studies. Rapid technological advances are forging connections between scientists and arts communities, enabling revolutionary new techniques for non-invasive technical study of culturally significant, highly prized artworks. We have applied a non-invasive, rapid, high definition X-ray fluorescence (XRF) elemental mapping technique to a French Impressionist painting using a synchrotron radiation source, and show how this technology can advance scholarly art interpretation and preservation. We have obtained detailed technical understanding of a painting which could not be resolved by conventional techniques. Here we show 31.6 megapixel scanning XRF derived elemental maps and report a novel image processing methodology utilising these maps to produce a false colour representation of a “hidden” portrait by Edgar Degas. This work provides a cohesive methodology for both imaging and understanding the chemical composition of artworks, and enables scholarly understandings of cultural heritage, many of which have eluded conventional technologies. We anticipate that the outcome from this work will encourage the reassessment of some of the world’s great art treasures.

  3. The soil physics contributions of Edgar Buckingham

    USGS Publications Warehouse

    Nimmo, J.R.; Landa, E.R.

    2005-01-01

    During 1902 to 1906 as a soil physicist at the USDA Bureau of Soils (BOS), Edgar Buckingham originated the concepts of matric potential, soil-water retention curves, specific water capacity, and unsaturated hydraulic conductivity (K) as a distinct property of a soil. He applied a formula equivalent to Darcy's law (though without specific mention of Darcy's work) to unsaturated flow. He also contributed significant research on quasi-empirical formulas for K as a function of water content, water flow in capillary crevices and in thin films, and scaling. Buckingham's work on gas flow in soils produced paradigms that are consistent with our current understanding. His work on evaporation elucidated the concept of self-mulching and produced sound and sometimes paradoxical generalizations concerning conditions that favor or retard evaporation. Largely overshadowing those achievements, however, is that he launched a theory, still accepted today, that could predict transient water content as a function of time and space. Recently discovered documents reveal some of the arguments Buckingham had with BOS officials, including the text of a two-paragraph conclusion of his famous 1907 report on soil water, and the official letter documenting rejection of that text. Strained interpersonal relations motivated the departure of Buckingham and other brilliant physicists (N.E. Dorsey, F.H. King, and Lyman Briggs) from the BOS during 1903 to 1906. Given that Buckingham and his BOS colleagues had been rapidly developing the means of quantifying unsaturated flow, these strained relations probably slowed the advancement of unsaturated flow theory. ?? Soil Science Society of America.

  4. 17 CFR 232.301 - EDGAR Filer Manual.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. You must comply with these... (March 2014). Additional provisions applicable to Form N-SAR filers are set forth in the EDGAR Filer Manual, Volume III: “N-SAR Supplement,” Version 2 (August 2011). All of these provisions have...

  5. Radon removal by poe gac systems: Design, performance, and cost

    SciTech Connect

    Lowry, J.D.; Lowry, S.B.; Cline, J.K.

    1990-11-01

    The report summarizes previous research conducted by Lowry Engineering, Inc. (LEI), the Maine Department of Human Services, Division of Health Engineering, and the University of Maine, Department of civil Engineering, on the removal of Rn from drinking water supplies using granular activated carbon (GAC) in 121 point-of-entry (POE) applications. The primary focus of the work was an analysis of the existing treatment data collected over the past seven years at POE locations in 12 states. All but three systems treated private househuLd well supplies. In addition, two schools and one public water supply were included. In summary, the POE GAC treatment was very effective, with the exception of approximately 6 percent of the units that exhibited diminishing effectiveness over time. Ninety-four and 84 percent of all units exceeded 90 and 95 percent removal, respectively. The need for gamma shielding was evaluated and related to the raw water Rn level treated by the POE devices. While POE GAC installations were found to be effective, the use of GAC for Rn removal may be limited in the future to wells containing less than 5,000 to 10,000 pCi/L. This would result if the private residence desired to achieve the new MCL for Rn, which is expected to be set between 200 and 2,000 pCi/L.

  6. Astronaut Edgar Mitchell addresses MSC personnel and news media

    NASA Technical Reports Server (NTRS)

    1971-01-01

    Astronaut Edgar D. Mitchell, right, the Apollo 14 lunar module pilot, addresses JSC/MSC personnel and news media representatives and other visitors soon after he and his fellow crewmen were released from a 15-day confinement period in the Lunar Receiving Laboratory. Pictured with Mitchell in front of the LRL, MSC bldg 37, are Astronauts Alan B. Shepard Jr., left, commander; and Stuart A Roosa, command module pilot, Mrs Mitchell is at right and Mrs. Roosa, near left. Roosa is flanked by his four children, left to right, Christopher A., Stuart A. Roosa Jr., John D. and Rosemary D.

  7. POU/POE TREATMENT OF ARSENIC IN GROUND WATER

    EPA Science Inventory

    Point-of-use/Point-of-entry (POU/POE) arsenic removal systems were installed in seventeen homes that were found to have high levels of arsenic (50-480ug/L) in their well water. This presetation will describe the process and the problems encountered in selecting the treatment syst...

  8. Design and network applications of PoE

    NASA Astrophysics Data System (ADS)

    Feng, Xiancheng; Yun, Xiang; Chen, Ying

    2008-12-01

    With the rapid development of digital networks, many of the appliances in life are widely used, particularly in wireless LAN and IP telephony. Ethernet-based data terminals have been widely used in many areas, although the device's power consumption is low, but in general stability and reliability of the power is of very high requirements. In this paper, PoE technology (a solution focused on long-distance power supply system) is focused on the PoE power supply equipment, power-operation process, the system configuration management, automatic detection, and other major technology. Also, at the same time it introduces the use of PoE technology for wireless access points designed to supply power as a kind of typical application in the local network, the programme through the network to provide power system solutions, and expand the use of PoE equipment and make full use of the existing network resources, providing users with convenient and stable service.

  9. Electron precipitation spectra; a global view using DEMETER and POES

    NASA Astrophysics Data System (ADS)

    Whittaker, Ian; Rodger, Craig; Clilverd, Mark; Gamble, Rory; Sauvaud, Jean-Andre

    2014-05-01

    The Detection of Electromagnetic Emissions Transmitted from Earthquake Regions (DEMETER) microsatellite electron flux instrument is comparatively unusual in that it has very high energy resolution (128 channels with 17.9 keV widths in normal survey mode), which lends itself to spectral analysis of electron precipitation from the Earth's radiation belts. Here electron spectra from DEMETER have been analyzed from all 6 years of its operation. Global electron flux maps are produced and average spectral fit values are taken during geomagnetic storm and quiet times. The flux behaviour and spectral variation during geomagnetic storm time and the recovery period are also examined, showing differences between the two radiation belts and the slot region. The high energy resolution of the DEMETER satellite also allows insightful comparisons with electron flux measurements from MEPED (Medium Energy Proton and Electron Detector) instrument onboard the POES constellation of satellites. Unlike the high-resolution observations, POES/MEPED provide only 3 integral electron telescopes. Our comparison allows a test of the MEPED geometric factor equations given by Yando et al., [JGR (116, A10231), 2011] which characterized proton contamination of the electron telescopes as well as a variation in detector efficiency with energy. Electron fluxes are compared when the MetOp-02 POES satellite is in similar locations to DEMETER (ΔL < 0.5, Δlongitude < 4 degrees) using the MEPED 90 degree telescope as both instruments observe essentially the same particle populations (drift loss cone or trapped particles depending on the L shell). Simplified equations are calculated to reverse the geomagnetic factor (for SEM-2 electron instruments only) and then tested, these equations allow the MEPED electron fluxes to be corrected quickly and easily based on the values from Yando et al. Differential fluxes from the integral POES data are also calculated in the comparison. This process is shown to work

  10. How to detect Edgar Allan Poe's 'purloined letter,' or cross-correlation algorithms in digitized video images for object identification, movement evaluation, and deformation analysis

    NASA Astrophysics Data System (ADS)

    Dost, Michael; Vogel, Dietmar; Winkler, Thomas; Vogel, Juergen; Erb, Rolf; Kieselstein, Eva; Michel, Bernd

    2003-07-01

    Cross correlation analysis of digitised grey scale patterns is based on - at least - two images which are compared one to each other. Comparison is performed by means of a two-dimensional cross correlation algorithm applied to a set of local intensity submatrices taken from the pattern matrices of the reference and the comparison images in the surrounding of predefined points of interest. Established as an outstanding NDE tool for 2D and 3D deformation field analysis with a focus on micro- and nanoscale applications (microDAC and nanoDAC), the method exhibits an additional potential for far wider applications, that could be used for advancing homeland security. Cause the cross correlation algorithm in some kind seems to imitate some of the "smart" properties of human vision, this "field-of-surface-related" method can provide alternative solutions to some object and process recognition problems that are difficult to solve with more classic "object-related" image processing methods. Detecting differences between two or more images using cross correlation techniques can open new and unusual applications in identification and detection of hidden objects or objects with unknown origin, in movement or displacement field analysis and in some aspects of biometric analysis, that could be of special interest for homeland security.

  11. Central Ideas of Edgar Buckingham(1907), A Century Later

    NASA Astrophysics Data System (ADS)

    Narasimhan, T. N.

    2006-12-01

    Edgar Buckingham's 1907 masterpiece, "Studies on the movement of soil moisture", laid experimental and theoretical foundations for moisture movement in unsaturated soils, and more generally, multi-phase flow in porous media. His work preceded comparable developments in petroleum engineering by more than two decades. For such a profound contribution, Buckingham's paper was elegantly simple, focusing on physical concepts that could be grasped by a broad audience. Buckingham's long career in physics was punctuated by his rendezvous with soils over a brief period of four years. During the twentieth century, his model for soil moisture movement inspired the construction of mathematical superstructures in the form of non-linear partial differential equations, and experimental studies of soil-moisture content and hydraulic conductivity varying with moisture potential. Yet, the concept of potential in a multi-phase system is still poorly understood, as are the energetics and the mechanics of multi-phase transport. Skeptical of the ability of Fourier's diffusion equation to represent moisture movement in soils, Buckingham refrained from writing a differential equation, which he could easily have expressed phenomenologically. The literature shows that Buckingham's contribution did not receive as wide a recognition among soil physicists of his own life time as one might have expected. It was only in the 1960s that we note an admiring acknowledgment by L. A. Richards. In remembering Buckingham a century after his scholarly contribution, it is proper that we reflect on advances in understanding the soil- moisture phenomenon. On the philosophical side, Buckingham's inquiry portrays a need for a balance between observational knowledge and abstract mathematical idealization, especially in regard to earth systems in all their complexity. The purpose of this paper is to outline the central ideas latent in Buckingham's work, and to examine our success in elucidating ideas that might

  12. [Complexity and the reconnection of interdisciplinary knowledge: contribution of Edgar Morin's thoughts].

    PubMed

    Santos, Silvana Sidney Costa; Hammerschmidt, Karina Silveira de Almeida

    2012-01-01

    This theoretical reflection aimed at bringing the complexity concept closer to the reconnection of interdisciplinary knowledge in Nursing/Heath. This reflection has arisen through the writings of Edgar Morin and other authors and was aimed at the need for a rethinking of Nursing/Health in the complex perspective, and had systemic care as its main focus. It was organized in three actions: firstly, thinker Edgar Morin is introduced; secondly, complexity is brought in; finally, the interrelation between complexity and reconnection of interdisciplinary knowledge in Nursing/Health is done. PMID:23258673

  13. 17 CFR 249.446 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Form ID, uniform application... Other Reports of Issuers Required Under Sections 13 and 15(d) of the Securities Exchange Act of 1934... log on to the EDGAR system, submit filings, and change its CCC. (d) Password...

  14. EDGAR 2.0: an enhanced software platform for comparative gene content analyses.

    PubMed

    Blom, Jochen; Kreis, Julian; Spänig, Sebastian; Juhre, Tobias; Bertelli, Claire; Ernst, Corinna; Goesmann, Alexander

    2016-07-01

    The rapidly increasing availability of microbial genome sequences has led to a growing demand for bioinformatics software tools that support the functional analysis based on the comparison of closely related genomes. By utilizing comparative approaches on gene level it is possible to gain insights into the core genes which represent the set of shared features for a set of organisms under study. Vice versa singleton genes can be identified to elucidate the specific properties of an individual genome. Since initial publication, the EDGAR platform has become one of the most established software tools in the field of comparative genomics. Over the last years, the software has been continuously improved and a large number of new analysis features have been added. For the new version, EDGAR 2.0, the gene orthology estimation approach was newly designed and completely re-implemented. Among other new features, EDGAR 2.0 provides extended phylogenetic analysis features like AAI (Average Amino Acid Identity) and ANI (Average Nucleotide Identity) matrices, genome set size statistics and modernized visualizations like interactive synteny plots or Venn diagrams. Thereby, the software supports a quick and user-friendly survey of evolutionary relationships between microbial genomes and simplifies the process of obtaining new biological insights into their differential gene content. All features are offered to the scientific community via a web-based and therefore platform-independent user interface, which allows easy browsing of precomputed datasets. The web server is accessible at http://edgar.computational.bio. PMID:27098043

  15. 17 CFR 239.63 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ...: For Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears... 17 Commodity and Securities Exchanges 2 2011-04-01 2011-04-01 false Form ID, uniform application... Statements § 239.63 Form ID, uniform application for access codes to file on EDGAR. Form ID must be filed...

  16. 17 CFR 269.7 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears in the... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Form ID, uniform application... Form ID, uniform application for access codes to file on EDGAR. Form ID must be filed by...

  17. 17 CFR 239.63 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ...: For Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears... 17 Commodity and Securities Exchanges 2 2010-04-01 2010-04-01 false Form ID, uniform application... Statements § 239.63 Form ID, uniform application for access codes to file on EDGAR. Form ID must be filed...

  18. 17 CFR 269.7 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears in the... 17 Commodity and Securities Exchanges 3 2011-04-01 2011-04-01 false Form ID, uniform application... Form ID, uniform application for access codes to file on EDGAR. Form ID must be filed by...

  19. 17 CFR 249.446 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ...: For Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears... 17 Commodity and Securities Exchanges 3 2011-04-01 2011-04-01 false Form ID, uniform application... § 249.446 Form ID, uniform application for access codes to file on EDGAR. Form ID must be filed...

  20. 17 CFR 269.7 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears in the... been authorized by the filer. (c) Password (PW)—allows a filer, filing agent or training agent to log on to the EDGAR system, submit filings, and change its CCC. (d) Password Modification...

  1. 17 CFR 269.7 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears in the... been authorized by the filer. (c) Password (PW)—allows a filer, filing agent or training agent to log on to the EDGAR system, submit filings, and change its CCC. (d) Password Modification...

  2. 17 CFR 249.446 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ...: For Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears... has been authorized by the filer. (c) Password (PW)—allows a filer, filing agent or training agent to log on to the EDGAR system, submit filings, and change its CCC. (d) Password...

  3. 17 CFR 239.63 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ...: For Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears... has been authorized by the filer. (c) Password (PW)—allows a filer, filing agent or training agent to log on to the EDGAR system, submit filings, and change its CCC. (d) Password...

  4. 17 CFR 269.7 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears in the... been authorized by the filer. (c) Password (PW)—allows a filer, filing agent or training agent to log on to the EDGAR system, submit filings, and change its CCC. (d) Password Modification...

  5. 17 CFR 249.446 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ...: For Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears... has been authorized by the filer. (c) Password (PW)—allows a filer, filing agent or training agent to log on to the EDGAR system, submit filings, and change its CCC. (d) Password...

  6. 17 CFR 249.446 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ...: For Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears... has been authorized by the filer. (c) Password (PW)—allows a filer, filing agent or training agent to log on to the EDGAR system, submit filings, and change its CCC. (d) Password...

  7. 17 CFR 239.63 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ...: For Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears... has been authorized by the filer. (c) Password (PW)—allows a filer, filing agent or training agent to log on to the EDGAR system, submit filings, and change its CCC. (d) Password...

  8. 17 CFR 239.63 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ...: For Federal Register citations affecting Form ID, see the List of CFR Sections Affected, which appears... has been authorized by the filer. (c) Password (PW)—allows a filer, filing agent or training agent to log on to the EDGAR system, submit filings, and change its CCC. (d) Password...

  9. EDGAR 2.0: an enhanced software platform for comparative gene content analyses

    PubMed Central

    Blom, Jochen; Kreis, Julian; Spänig, Sebastian; Juhre, Tobias; Bertelli, Claire; Ernst, Corinna; Goesmann, Alexander

    2016-01-01

    The rapidly increasing availability of microbial genome sequences has led to a growing demand for bioinformatics software tools that support the functional analysis based on the comparison of closely related genomes. By utilizing comparative approaches on gene level it is possible to gain insights into the core genes which represent the set of shared features for a set of organisms under study. Vice versa singleton genes can be identified to elucidate the specific properties of an individual genome. Since initial publication, the EDGAR platform has become one of the most established software tools in the field of comparative genomics. Over the last years, the software has been continuously improved and a large number of new analysis features have been added. For the new version, EDGAR 2.0, the gene orthology estimation approach was newly designed and completely re-implemented. Among other new features, EDGAR 2.0 provides extended phylogenetic analysis features like AAI (Average Amino Acid Identity) and ANI (Average Nucleotide Identity) matrices, genome set size statistics and modernized visualizations like interactive synteny plots or Venn diagrams. Thereby, the software supports a quick and user-friendly survey of evolutionary relationships between microbial genomes and simplifies the process of obtaining new biological insights into their differential gene content. All features are offered to the scientific community via a web-based and therefore platform-independent user interface, which allows easy browsing of precomputed datasets. The web server is accessible at http://edgar.computational.bio. PMID:27098043

  10. Hey There Edgar Snow, What Happened to the Red Star over Yan'an?

    ERIC Educational Resources Information Center

    Boshier, Roger; Huang, Yan

    2008-01-01

    Edgar Snow scored an extraordinary scoop in 1936 when he persuaded Mao Zedong to tell his story. The resulting book--"Red Star Over China"--was a best-seller in the West and translated editions caused a sensation in China. Adult education was the centrepiece of Communist revolution and featured prominently in Red Star. It is now the twenty-first…

  11. Hale Boggs on J. Edgar Hoover: Rhetorical Choice and Political Denunciation.

    ERIC Educational Resources Information Center

    Gibson, Dirk

    This paper examines United States Representative Hale Boggs's 1971 speech on the House floor, in which he denounced J. Edgar Hoover and the Federal Bureau of Investigation (FBI) for wiretapping members of Congress and infiltrating campus student groups. Following an introduction to the objectives of the paper, the first section reviews Boggs's…

  12. J. Edgar Hoover and the Black Press in World War II.

    ERIC Educational Resources Information Center

    Washburn, Patrick S.

    Holding enormous if controversial power as Director of the Federal Bureau of Investigation (FBI), J. Edgar Hoover was sometimes controlled unexpectedly at the highest reaches of government, as illustrated by his failed attempt to obtain an Espionage Act indictment against the black press during World War II. Following anarchist bombings in 1919,…

  13. REMOVAL OF DBCP FROM GROUNDWATER. VOLUME 1. POE/POU TREATMENT DEVICES: INSTITUTIONAL AND JURISDICTIONAL FACTORS

    EPA Science Inventory

    The results obtained from evaluating ten GAC POE (point-of-entry) devices show that while these GAC units generally function very satisfactorily, their performance can change markedly over short periods of time.

  14. EDGAR_v4.3: a global air pollutant emission inventory from 1970 to 2010

    NASA Astrophysics Data System (ADS)

    Crippa, M.; Janssens-Maenhout, G.; Guizzardi, D.; Muntean, M.; Schaaf, E.; Olivier, J. G.; Denier Van Der Gon, H.; Dentener, F. J.

    2014-12-01

    The Emission Database for Global Atmospheric Research (EDGAR) provides consistent gridded anthropogenic emissions of greenhouse gases, precursor gases and aerosols from 1970 to 2010. Since EDGAR's first release in 1996 (EDGARv2), a continuous improvement and upgrade of the emission data resulted in a sequence of releases. Here we present EDGAR_v4.3 (2014), which features new information on emission factors and an extension to 2009-2010 data compared to EDGAR_v4.2. EDGAR_v4.2 was used in many inverse modeling studies in EU, US, Africa and Asia yielding regional refinement of emission factors and adjustments of technology penetration (e.g. coal mining, power plants) and proxy data for geospatial distribution (e.g. passenger car transport). We focus on SO2, NOx, CO, NMVOC, NH3, PM10, PM2.5, BC and OC emissions for the most recent year (2010), and compare them to two global inventories used in global modeling, as well as the regional inventories included in them. HTAP_v2 is a harmonized, global, gridded, emission database for 2010, developed for global and regional model tasks within the Task Force Hemispheric Transport Air pollution. It uses officially reported, gridded national inventories, complemented with science based data, partly gap-filled with EDGAR. However, since HTAP_v2 is relying on (sub-)national statistics, it may not be as consistent across countries and regions, as a globally calculated inventory using international statistics and global geospatial distributions. Another available global inventory is MACCity, covering the years 1980-2010. We compare EDGAR_v4.3 with HTAP_v2 and MACCity in order to explain differences from national estimates and address emission inventory uncertainties, indicating weaknesses and strengths of these databases. We present the geospatial distribution of emissions at 0.1x0.1 degree resolution, comparing the contribution of developing and emerging countries with industrialized regions, both as absolute and per capita data.

  15. Precipitation of relativistic electrons as seen by NOAA POES

    NASA Astrophysics Data System (ADS)

    Yahnin, Alexander; Gvozdevsky, Boris; Yahnina, Tatyana; Semenova, Nadezhda

    The MEPED instrument onboard NOAA Polar-orbiting Operational Environmental Satellites (NOAA POES) was designed to measure precipitating and quasi-trapped protons and electrons in the ranges 30 keV to 200 MeV (for protons) and 30 keV to 2500 keV (for electrons). In particular, proton telescopes measure protons in six channels: P1 (30-80 keV), P2 (80-250 keV), P3 (250-800 keV), P4 (800-2500 keV), P5 (2500-6900 keV), and P6 (>6900 keV). Protons appear in the P6 channel very seldom (only during Solar Proton Events). At the same time, this channel can be contaminated by relativistic (E ~ 1 MeV) electrons. Using P6 data we performed a study of the relativistic electron precipitation (REP) within the interval of 25 July - 31 August 2005 characterizing by variable geomagnetic activity. We found that most often the REP events are observed in the night sector in relation to the isotropy boundary of relativistic electrons. It means that these REP events are due to violation of the adiabatic motion of particles in the region of a relatively weak magnetic field in the equatorial plane of magnetosphere. Further, a substantial part of REP events is observed in association with enhancements of energetic (E>30 keV) electrons equatorward of the electron isotropy boundary. We interpret the precipitation of electrons in the wide range of energies as result of scattering the particles into the loss cone by ELF/VLF waves. Finally, relativistic electrons can be scattered into the loss cone by EMIC waves. This possibility is actively discussed in the literature. It is known that EMIC waves effectively scatter energetic protons and produce proton precipitation bursts equatorward of the proton isotropic boundary. To investigate the REP/EMIC wave relationship we consider how such proton precipitation bursts seen in P1-P3 channels correlate with REP. It turned out that proton precipitation bursts observed in the morning and day sectors do not correlate with REP events, but in the evening

  16. [Research on nursing in light of Edgar Morin's concept of complexity].

    PubMed

    Santos, Silvana Sidney Costa

    2003-01-01

    This paper aims at introducing Complexity by showing its importance through research carried out in the Nursing area. It consists of a reflection divided into two parts: the Complexity's principles, by Edgar Morin; and research on Nursing originating from Complexity. By taking into account the Complexity involving the objects of study in Nursing, it is desirable to choose a methodological path which is more appropriate to its comprehension, that is, to choose only one method which is more likely to portray a real picture of the subject. By understanding such method as a path to investigation combined with and originating from theory and not as a support to scientific practice, the concept of Complexity, by Edgar Morin, when used as a theoretical choice, ends up as a guide to a methodological path. PMID:15320624

  17. EDGAR: A software framework for the comparative analysis of prokaryotic genomes

    PubMed Central

    Blom, Jochen; Albaum, Stefan P; Doppmeier, Daniel; Pühler, Alfred; Vorhölter, Frank-Jörg; Zakrzewski, Martha; Goesmann, Alexander

    2009-01-01

    Background The introduction of next generation sequencing approaches has caused a rapid increase in the number of completely sequenced genomes. As one result of this development, it is now feasible to analyze large groups of related genomes in a comparative approach. A main task in comparative genomics is the identification of orthologous genes in different genomes and the classification of genes as core genes or singletons. Results To support these studies EDGAR – "Efficient Database framework for comparative Genome Analyses using BLAST score Ratios" – was developed. EDGAR is designed to automatically perform genome comparisons in a high throughput approach. Comparative analyses for 582 genomes across 75 genus groups taken from the NCBI genomes database were conducted with the software and the results were integrated into an underlying database. To demonstrate a specific application case, we analyzed ten genomes of the bacterial genus Xanthomonas, for which phylogenetic studies were awkward due to divergent taxonomic systems. The resultant phylogeny EDGAR provided was consistent with outcomes from traditional approaches performed recently and moreover, it was possible to root each strain with unprecedented accuracy. Conclusion EDGAR provides novel analysis features and significantly simplifies the comparative analysis of related genomes. The software supports a quick survey of evolutionary relationships and simplifies the process of obtaining new biological insights into the differential gene content of kindred genomes. Visualization features, like synteny plots or Venn diagrams, are offered to the scientific community through a web-based and therefore platform independent user interface , where the precomputed data sets can be browsed. PMID:19457249

  18. Construct validity of a newly developed instrument: profile of occupational engagement in people with schizophrenia, POES.

    PubMed

    Bejerholm, Ulrika; Eklund, Mona

    2006-01-01

    It is highly relevant to estimate to what extent a person with schizophrenia engages in occupations and participates in different life situations in order to understand the determinants of well-being in this group of people. This study aimed at examining the construct validity of the instrument Profile of Occupational Engagement in persons with Schizophrenia, POES. Global Assessment of Functioning, GAF, and a scale measuring Satisfaction with daily occupations and Activity level were chosen as standards against which POES was validated. As hypothesized, moderate associations were found between POES and GAF (0.73), Activity level (0.70), and Satisfaction with daily occupations (0.50). Regarding the separate items of POES, the items that concerned the range of occupations performed had the strongest association with Activity level, and the items that concerned ongoing occupations, i.e. Routines and Extent of performing meaningful occupations, correlated most strongly with Satisfaction with daily occupations. Thus, the strongest associations were found for the expected items. Altogether, POES seems to possess satisfactory construct validity and be a construct in its own right, as indicated by correlations of expected size and direction with the selected instruments and for expected items. PMID:16720510

  19. Reduction of Microbial and Chemical Contaminants in Water Using POU/POE & Mobile Treatment Technologies

    EPA Science Inventory

    POU/POE may be a cost-effective option for reductions of a particular chemical to achieve water quality compliance under certain situations and given restrictions. Proactive consumers seeking to reduce exposure to potential pathogens, trace chemicals, and nanoparticles not curre...

  20. Investigating the Effectiveness of a POE-Based Teaching Activity on Students' Understanding of Condensation

    ERIC Educational Resources Information Center

    Costu, Bayram; Ayas, Alipasa; Niaz, Mansoor

    2012-01-01

    This article reports on the development of a Predict-Observe-Explain, POE-based teaching strategy to facilitate conceptual change and its effectiveness on student understanding of condensation. The sample consisted of 52 first-year students in primary science education department. Students' ideas were elicited using a test consisting of five probe…

  1. Effects of oil and drug concentrations on droplets size of palm oil esters (POEs) nanoemulsion.

    PubMed

    Sakeena, M H F; Elrashid, S M; Munavvar, A S; Azmin, M N

    2011-01-01

    Aim of the present work is to study the effects of oil and drug concentrations on droplets size of a nanoemulsion. Newly introduced oil, palm oil esters (POEs) by Universiti Putra Malaysia researchers was selected for the oil phase of the nanoemulsion, because the oil was reported to be a good vehicle for pharmaceutical use. Nanoemulsions were prepared with different concentrations of oil and drug and their effects on droplets size were studied by laser scattering spectroscopy (Nanophox). The results of droplets size analysis shows the droplets size increase with increasing concentration of oil and drug concentrations. It can be concluded from this study, that oil and drug concentrations have an effect on the droplets size of POEs nanoemulsion system. PMID:21427510

  2. Estimating the energy deposition based on anisotropic fluxes measured by POES MEPED

    NASA Astrophysics Data System (ADS)

    Sandanger, Marit Irene; Stadsnes, Johan; Nesse Tyssøy, Hilde; Glesnes Ødegaard, Linn-Kristine; Åsnes, Arne

    2015-04-01

    The Medium Energy Proton and Electron Detector (MEPED) onboard the Polar Orbiting Operational Environmental Satellites (POES) consists of two electron telescopes, one viewing nearly radially outward from Earth (the 0o detector) and the other viewing antiparallel to the satellite's velocity (the 90o detector). Energetic particle measurements from POES are often used to estimate the energy deposition in the mesosphere. The electron fluxes usually show strong pitch angle anisotropy. Until now, it has been customary to derive a lower estimate of the energy deposition in the mesosphere from the 0o detector, while an upper estimate is derived from the 90odetector. We have developed a method using measurements from both the 0o and 90o telescopes in a combination with theoretically determined pitch angle distributions, in order to give a more precise estimate of the energy deposition in the upper atmosphere. The derived anisotropic flux distributions are used to calculate the energy deposition during Relativistic Electron Precipitation (REP) events.

  3. Comparison between POES energetic electron precipitation observations and riometer absorptions: Implications for determining true precipitation fluxes

    NASA Astrophysics Data System (ADS)

    Rodger, Craig J.; Kavanagh, Andrew J.; Clilverd, Mark A.; Marple, Steve R.

    2013-12-01

    electron precipitation (EEP) impacts the chemistry of the middle atmosphere with growing evidence of coupling to surface temperatures at high latitudes. To better understand this link, it is essential to have realistic observations to properly characterize precipitation and which can be incorporated into chemistry-climate models. The Polar-orbiting Operational Environmental Satellite (POES) detectors measure precipitating particles but only integral fluxes and only in a fraction of the bounce loss cone. Ground-based riometers respond to precipitation from the whole bounce loss cone; they measure the cosmic radio noise absorption (CNA), a qualitative proxy with scant direct information on the energy flux of EEP. POES observations should have a direct relationship with ΔCNA and comparing the two will clarify their utility in studies of atmospheric change. We determined ionospheric changes produced by the EEP measured by the POES spacecraft in ~250 overpasses of an imaging riometer in northern Finland. The ΔCNA modeled from the POES data is 10-15 times less than the observed ΔCNA when the >30 keV flux is reported as <106 cm-2 s-1 sr-1. Above this level, there is relatively good agreement between the space-based and ground-based measurements. The discrepancy occurs mostly during periods of low geomagnetic activity, and we contend that weak diffusion is dominating the pitch angle scattering into the bounce loss cone at these times. A correction to the calculation using measurements of the trapped flux considerably reduces the discrepancy and provides further support to our hypothesis that weak diffusion leads to underestimates of the EEP.

  4. Properties of electron flux spectra around the plasmapause in the chorus and hiss regions using POES.

    NASA Astrophysics Data System (ADS)

    Whittaker, Ian; Rodger, Craig; Clilverd, Mark

    2014-05-01

    The European FP7 PLASMON project aims to provide observations of plasmaspheric densities, and link the plasmaspheric variations to relativistic electron precipitation from the radiation belts. This is intended to assist in the estimation and prevent damage of space assets from space weather events as well as to improve forecasting (http://plasmon.elte.hu). As part of the PLASMON project, electron fluxes from the POES series of satellites are being used to determine the link between energetic electron precipitation energy spectra and magnitude to the position of the plasmapause. The MEPED instrument onboard POES measures electron flux from 90° (trapped particles) and 0° (losscone) telescopes, in 3 integral energy channels (>30, >100 and >300 keV). These fluxes have been compared to the DEMETER/IDP instrument to confirm that published geometric factor corrections (Yando et al. 2011) can be accurately applied to the POES data to produce as accurate as possible fluxes. These global fluxes have then been separated into regions in which Chorus (23:00-11:00 MLT) and Hiss (11:00-16:00 MLT) whistler mode waves are expected to occur, in 0.2 L-shell bins with a 20 minute temporal resolution. The plasmapause locations have been determined from the O'Brien and Moldwin (2003) models based on Kp, Ae and Dst peaks. We are currently comparing the POES spectral gradient and flux magnitude with plasmapause location and geomagnetic activity for the locations in which chorus and hiss are known to occur. This presentation will focus on the electron flux spectral gradient behaviour either side of the plasmapause, a value that is difficult to measure from ground based techniques.

  5. The ties that bind: Soil surveyor William Edgar Tharp and oceanographic cartographer Marie Tharp

    NASA Astrophysics Data System (ADS)

    Landa, Edward R.

    The link between soil science and geology is personified in the American father and daughter: soil surveyor William Edgar Tharp (1870-1959) and oceanographic cartographer Marie Tharp (1920-2006). From 1904 to 1935, W.E. Tharp mapped soils in 14 states for the US Department of Agriculture, and campaigned during the late 1920s-early 1930s to raise awareness of the high rates of soil erosion from croplands. The lifestyle of the federal soil surveyor in the United States during the early 20th century involved frequent household moves, and it played a formative role in Marie Tharp’s childhood. Her path to a career in geology was molded by this family experience, by mentors encountered in the classroom, and by social barriers that faced women scientists of that era.

  6. Post-Occupancy Evaluation (POE) Methodologies for School Facilities: A Case Study of the V. Sue Cleveland High School Post Occupancy Evaluation

    ERIC Educational Resources Information Center

    Harmon, Marcel; Larroque, Andre; Maniktala, Nate

    2012-01-01

    The New Mexico Public School Facilities Authority (NMPSFA) is the agency responsible for administering state-funded capital projects for schools statewide. Post occupancy evaluation (POE) is the tool selected by NMPSFA for measuring project outcomes. The basic POE process for V. Sue Cleveland High School (VSCHS) consisted of a series of field…

  7. NOAA POES Observations of Relativistic Electron Precipitation during a Radiation Belt Depletion Event

    NASA Astrophysics Data System (ADS)

    Millan, R. M.; Yando, K.; Green, J. C.

    2008-12-01

    We present POES observations of relativistic electron precipitation during an electron depletion event observed by GOES and GPS. On January 19, 2000 NOAA-15 passed very near the MAXIS balloon payload (L=4.7) which detected an intense duskside precipitation event (Millan et al., 2007). Recent work has shown that the NOAA MEPED proton detector responds to electrons above ~700 keV. We combine data from this high energy channel with data from the MEPED electron detector to examine the energy distribution and spatial extent of precipitation during this period. The results are compared with the MAXIS balloon observations.

  8. GOES, POES, NPOESS - Plans for America s civil operational enivronmental satellite programs

    NASA Astrophysics Data System (ADS)

    Dittberner, G.

    GOES. The United States operates two meteorological GOES satellites: GOES-East located at 75° west longitude and GOES-West at 135° West longitude. The combined GOES system covers the central and eastern Pacific Ocean; North, Central, and South America; and the central and western Atlantic Ocean. GOES-8 (East) was launched on April 13, 1994, while GOES-10 (West) was launched April 26, 1997. GOES-11 (launched May 2000) and GOES-12 (June 2001) are in on-orbit storage. The next group of satellites is the GOES-N series, which will provide up to four satellites with essentially the same Imager and Sensor capability. GOES-N is planned to be launched in 2004. Since normal time to develop new satellites is about ten years, planning is already well underway for the GOES-R series, planned to be launched in 2012. GOES-R will have substantially improved instruments. New Imaging requirements will be met by a instrument with between eight and 12 channels, and will cover the United States routinely every five mi utes withn improved resolution. Sounding requirements for temperature, moisture, and wind profiles will be met with an interferometer-like instrument having about 1500 channels and requiring a large increase in data rates. POLAR Systems - POES and NPOESS. The NOAA Polar-orbiting Operational Environmental Satellites (POES) system series has been providing continuous observations of the Earth since April 1960. Currently, NOAA-16 is the primary afternoon POES and NOAA-15 is the primary morning satellite. NOAA-12 and NOAA-14 serve as backups. At this writing, the next satellite to be launched is NOAA-M in June, 2002. Two more POES satellites remain to be launched as the nation transitions to the new NPOESS system. NOAA's longer-term plans call for increasing cooperation with the European Organization for the Exploitation of Met eorological Satellites (EUMETSAT). Through a joint cooperation agreement, EUMETSAT?s new polar- orbiting satellite, known as METOP, will carry NOAA

  9. A Global Model of Plasmaspheric Hiss Waves Inferred from Poes Observations

    NASA Astrophysics Data System (ADS)

    de Soria-Santacruz Pich, M.; Li, W.; Thorne, R. M.; Ma, Q.; Bortnik, J.; Ni, B.; Kletzing, C.; Kurth, W. S.; Hospodarsky, G. B.

    2014-12-01

    Accurate magnetospheric wave models are key to understanding the dynamic variability of the radiation belts. Statistical wave models are commonly used in diffusion codes to evaluate the effects of the wave parameters on the radiation belt dynamics. Statistical wave models, however, may not accurately reproduce the real, instantaneous global wave distribution. The ability of the diffusion simulations to accurately reproduce the changes in the radiation environment ultimately depends on the accuracy of the available global wave models. The specification of a global model of plasmaspheric hiss waves is the purpose of this investigation. Plasmaspheric hiss is an incoherent emission in the whistler band confined within the dense plasmasphere and dayside plasmaspheric plumes. Hiss is responsible for the formation of the slot region, and can also contribute to the scattering of outer belt electrons particularly during active geomagnetic periods. Additionally, following storm time enhancements, the slow decay of the outer radiation belt is also attributed to pitch angle scattering by hiss waves.The methodology used to build a global model of plasmaspheric hiss waves is not based on in-situ wave observations but on low-altitude electron measurements from the POES spacecraft. The advantage of inferring hiss wave amplitudes from POES electron measurements is that multiple POES satellites provide extensive coverage in the inner magnetosphere, while in-situ wave observations in a particular storm are limited to a certain range in L-shell and MLT. More specifically, we use the ratio between precipitating and trapped electrons provided by the Medium Energy Proton and Electron Detector (MEPED) instrument onboard the POES spacecraft to infer the global dynamic amplitude of plasmaspheric hiss waves. The performance of the technique is evaluated by comparing its results with EMFISIS observations during conjunction events with the Van Allen Probes, as well as with the predictions from

  10. Space Weather impact on the degradation of NOAA POES MEPED proton detectors

    NASA Astrophysics Data System (ADS)

    Glesnes Ødegaard, Linn-Kristine; Nesse Tyssøy, Hilde; Jakobsen Sandanger, Marit Irene; Stadsnes, Johan; Søraas, Finn

    2016-06-01

    The Medium Energy Proton and Electron Detector (MEPED) on board the National Oceanic and Atmospheric Administration Polar Orbiting Environmental Satellites (NOAA POES) is known to degrade with time. In recent years a lot of effort has been put into calibrating the degraded proton detectors. We make use of previous work and show that the degradation of the detectors can be attributed to the radiation dose of each individual instrument. However, the effectiveness of the radiation in degrading the detector is modulated when it is weighted by the mean ap index, increasing the degradation rate in periods with high geomagnetic activity, and decreasing it through periods of low activity. When taking ap and the radiation dose into account, we find that the degradation rate is independent of spacecraft and detector pointing direction. We have developed a model to estimate the correction factor for all the MEPED detectors as a function of accumulated corrected flux and the ap index. We apply the routine to NOAA POES spacecraft starting with NOAA-15, including the European satellites MetOp-02 and MetOp-01, and estimate correction factors.

  11. REMOVAL OF DBCP FROM GROUNDWATER-VOLUME 1. POE/POU TREATMENT DEVICES: INSTITUTIONAL AND JURISDICTIONAL FACTORS

    EPA Science Inventory

    The results obtained from evaluating ten GAG POE (point-of-entry) devices show that while these GAG units generally function very satisfactorily, their performance can change markedly over short periods of time. These units require conscientious, periodic monitoring. The monitori...

  12. The Use of Interactive Computer Animations Based on POE as a Presentation Tool in Primary Science Teaching

    ERIC Educational Resources Information Center

    Akpinar, Ercan

    2014-01-01

    This study investigates the effects of using interactive computer animations based on predict-observe-explain (POE) as a presentation tool on primary school students' understanding of the static electricity concepts. A quasi-experimental pre-test/post-test control group design was utilized in this study. The experiment group consisted of 30…

  13. Using the SPoRT POES/GOES Hybrid Product in OCONUS Forecasting

    NASA Technical Reports Server (NTRS)

    Smith, Matt; Fuell, Kevin; Nelson, Jim

    2014-01-01

    The SPoRT (Short-term Prediction and Research Transition) Program at the NASA/Marshall Space Flight Center has been providing unique NASA and NOAA data and techniques to partner Weather Forecast Offices (WFOs) for ten years. Data are provided in the Decision Support System used by WFO forecasters: AWIPS. For the last couple of years, SPoRT has been producing the POES/GOES Hybrid. This suite of products combines the strength ofl5- minute animations of GOES imagery - providing temporal continuity, with the higher resolution, relatively random availability, of polar orbiting (POES) imagery data. The product was first introduced with only MODIS data from NASA's Terra and Aqua satellites, but recently the VIIRS instrument onboard the Suomi-NPP satellite was added, providing better high-resolution coverage. These products represent SPoRT's efforts to prepare for higher resolution, higher frequency GOES-R imagery - as well as helping to move VIIRS (JPSS) data into the mainstream of weather forecasting. SPoRT generates 5 products for this dataset: Visible, Longwave Infrared (11 micrometers), Shortwave IR (3.7 micrometers), Water Vapor (6.7 micrometers), and Fog (Difference of 11 micrometer and 3.7 micrometer channels). The Water Vapor hybrid product has a Red-Blue-Green image from MODIS inlaid, since it provides even more qualitative information than water vapor alone. Animated examples of the products will be shown in this presentation. While the resolution at nadir of GOES imagery is nominally Han (4km for IR channels), the inlaid polar orbiter imagery has a resolution of 250m (lkm for IR channels). This has tremendous application in the continental US. However, in high latitudes, since the usefulness of GOES degrades poleward rapidly, the contrast of GOES and POES data is stark. The consistent temporal nature of GOES, even though at a reduced resolution at high latitudes, provides basic situational awareness, but the introduction of polar data is very helpful in seeing

  14. A Statistical Analysis on the Precipitated and Trapped Electron Fluxes Using Long-term POES Observations

    NASA Astrophysics Data System (ADS)

    Zhou, C.; Ni, B.; Li, W.; Zhao, Z.; Gu, X.; Shi, R.; Hu, Z.

    2013-12-01

    We present a statistical analysis on the electron precipitation and trapped fluxes using NOAA POES data from 1998 to 2013, which covers more than an entire solar circle. The data of precipitation and trapped electron fluxes and the ratios between them are comprehensively investigated as a function of L-shell, magnetic local time (MLT), and geomagnetic conditions. Our results will help establish the major features of precipitated and trapped electron dynamics in the inner magnetosphere and their dependence on the level of geomagnetic activity, spatial location and phase of a solar cycle. We also investigate electron precipitation near the area of the South Atlantic Anomaly and compare the results with other regions where the ambient magnetic field configuration is normal. By doing so, we intend to explore the effect of precipitation caused by drift loss cone in contrast to that caused by bounce loss cone.

  15. Assessment of EDGAR emission inventory using carbon monoxide (CO) MOZAIC/IAGOS airborne measurements over Europe

    NASA Astrophysics Data System (ADS)

    Boschetti, Fabio; Chen, Huilin; Marshall, Julia; Gerbig, Christoph; Thouret, Valerie; Nedelec, Philippe

    2014-05-01

    The main advantage of using airborne data is their ability to collect mole fraction measurements covering most of the troposphere. However, mainly due to the cost of rental aircraft, the number of flights is usually quite limited, with direct consequences on measurement availability. Making use of commercial airliners, the MOZAIC/IAGOS program provides CO mole fraction measurements on a regular basis, avoiding this disadvantage. In this study MOZAIC/IAGOS measurements have been used together with a Lagrangian particle dispersion model (STILT) to evaluate the representativeness of the EDGAR version-4.2 emission inventory at 3 different locations (Frankfurt, Paris and Vienna) for the time frame 2004-2011. We make use of the concept of the mixed layer, where signals resulting from CO emissions are reasonable well mixed, and lead to an enhancement of CO within the mixed layer. We investigate the CO enhancement relative to values in the free troposphere (specifically at two km above the mixing height), for both the upper and lower half of the mixed layer. The hypothesis is that the CO enhancement in the upper half of the mixed layer is more representative for larger spatial scales, as the vertical distance to the surface and its emission sources is increased compared to that of the lower half. CO enhancements calculated from CO mole fractions modeled by STILT coupled with the emission inventory at 10 km horizontal resolution are compared with the corresponding values from observed CO mole fractions for both the lower and the upper half of the mixed layer. The transport model domain is roughly coincident with the EU territory; simulations show that most of the Lagrangian particles exit the domain to the north and to the west. On these sides of the domain, boundaries are represented by oceans, characterized by small CO vertical gradients. Modeled global CO fields from the MACC project will be used in this study as lateral boundary conditions. We found that the simulation

  16. Complying with the Drug-Free Schools and Campuses Regulations: [EDGAR Part 86]. A Guide for University and College Administrators. Revised

    ERIC Educational Resources Information Center

    DeRicco, Beth

    2006-01-01

    This guide describes the requirements of the 1989 amendments to the "Drug-Free Schools and Communities Act" (DFSCA), as articulated in the "Education Department General Administrative Regulations" (EDGAR) Part 86,--the Drug-Free Schools and Campuses Regulations--and ways in which institutions of higher education (IHEs) have met these requirements.…

  17. In-flight calibration of NOAA POES proton detectors—Derivation of the MEPED correction factors

    NASA Astrophysics Data System (ADS)

    Sandanger, Marit Irene; Ødegaard, Linn-Kristine Glesnes; Nesse Tyssøy, Hilde; Stadsnes, Johan; Søraas, Finn; Oksavik, Kjellmar; Aarsnes, Kjell

    2015-11-01

    The MEPED instruments on board the NOAA POES and MetOp satellites have been continuously measuring energetic particles in the magnetosphere since 1978. However, degradation of the proton detectors over time leads to an increase in the energy thresholds of the instrument and imposes great challenges to studies of long-term variability in the near-Earth space environment as well as a general quantification of the proton fluxes. By comparing monthly mean accumulated integral flux from a new and an old satellite at the same magnetic local time (MLT) and time period, we estimate the change in energy thresholds. The first 12 monthly energy spectra of the new satellite are used as a reference, and the derived monthly correction factors over a year for an old satellite show a small spread, indicating a robust calibration procedure. The method enables us to determine for the first time the correction factors also for the highest-energy channels of the proton detector. In addition, we make use of the newest satellite in orbit (MetOp-01) to find correction factors for 2013 for the NOAA 17 and MetOp-02 satellites. Without taking into account the level of degradation, the proton data from one satellite cannot be used quantitatively for more than 2 to 3 years after launch. As the electron detectors are vulnerable to contamination from energetic protons, the corrected proton measurements will be of value for electron flux measurements too. Thus, the correction factors ensure the correctness of both the proton and electron measurements.

  18. Statistical characteristics of EMIC wave-driven relativistic electron precipitation with observations of POES satellites: Revisit

    NASA Astrophysics Data System (ADS)

    Wang, Zhenzhen; Yuan, Zhigang; Li, Ming; Li, Huimin; Wang, Dedong; Li, Haimeng; Huang, Shiyong; Qiao, Zheng

    2014-07-01

    Electromagnetic ion cyclotron (EMIC) waves play an important role in the magnetospheric dynamics and can scatter relativistic electrons in the outer radiation belt into the loss cone leading to the rapid loss of relativistic electrons. In this paper, we present characteristics of EMIC wave-driven relativistic electron precipitation (REP) with observations of six Polar Orbiting Environmental Satellites (POES). Based on the simultaneity between spikes in the P1 0° (Ep = 30 keV-80 keV) and P6 0° (Ee > 1 MeV) channels, in comparison with the criterion of Carson et al. (2013), we improve the algorithm and make it stricter. A total of 436,286 individual half orbits between 1998 and 2010 are inspected by this algorithm. The majority of selected events are observed at L values within the outer radiation belt (3 < L < 7) and more common in 1800-2200 magnetic local time. The distribution of normalized events follows the location of plasmapause contracting toward lower L value with the decrease of the Dst index, implying a strong link between detected events and the plasmapause. The cluster of normalized events moves to later afternoon sector where the peak occurrence of plasmaspheric plumes is located during geomagnetic storms. It is suggested that there is a connection between plasmaspheric plumes and detected events. Corresponding to the peak of event occurrence in 2003, solar wind dynamic pressure has a same peak. In addition, the minimum values of them are coincident. These results indicate that the increase of the solar wind dynamic pressure enhances the likelihood of EMIC wave-driven relativistic electron precipitation.

  19. Energetic electron precipitation into the middle atmosphere -- Constructing the loss cone fluxes from MEPED POES

    NASA Astrophysics Data System (ADS)

    Nesse Tyssøy, H.; Sandanger, M. I.; Ødegaard, L.-K. G.; Stadsnes, J.; Aasnes, A.; Zawedde, A. E.

    2016-06-01

    The impact of energetic electron precipitation (EEP) on the chemistry of the middle atmosphere (50-90 km) is still an outstanding question as accurate quantification of EEP is lacking due to instrumental challenges and insufficient pitch angle coverage of current particle detectors. The Medium Energy Proton and Electron Detectors (MEPED) instrument on board the NOAA/Polar Orbiting Environmental Satellites (POES) and MetOp spacecraft has two sets of electron and proton telescopes pointing close to zenith (0°) and in the horizontal plane (90°). Using measurements from either the 0° or 90° telescope will underestimate or overestimate the bounce loss cone flux, respectively, as the energetic electron fluxes are often strongly anisotropic with decreasing fluxes toward the center of the loss cone. By combining the measurements from both telescopes with electron pitch angle distributions from theory of wave-particle interactions in the magnetosphere, a complete bounce loss cone flux is constructed for each of the electron energy channels >50 keV, >100 keV, and >300 keV. We apply a correction method to remove proton contamination in the electron counts. We also account for the relativistic (>1000 keV) electrons contaminating the proton detector at subauroral latitudes. This gives us full range coverage of electron energies that will be deposited in the middle atmosphere. Finally, we demonstrate the method's applicability on strongly anisotropic pitch angle distributions during a weak geomagnetic storm in February 2008. We compare the electron fluxes and subsequent energy deposition estimates to OH observations from the Microwave Limb Sounder on the Aura satellite substantiating that the estimated fluxes are representative for the true precipitating fluxes impacting the atmosphere.

  20. Analysis of plasmaspheric hiss wave amplitudes inferred from low-altitude POES electron data: Technique sensitivity analysis

    NASA Astrophysics Data System (ADS)

    Soria-Santacruz, M.; Li, W.; Thorne, R. M.; Ma, Q.; Bortnik, J.; Ni, B.; Kletzing, C. A.; Kurth, W. S.; Hospodarsky, G. B.; Spence, H. E.; Reeves, G. D.; Blake, J. B.; Fennell, J. F.

    2015-05-01

    A novel technique capable of inferring wave amplitudes from low-altitude electron measurements from the Polar Operational Environmental Satellites (POES) spacecraft has been previously proposed to construct a global dynamic model of chorus and plasmaspheric hiss waves. In this paper we focus on plasmaspheric hiss, which is an incoherent broadband emission that plays a dominant role in the loss of energetic electrons from the inner magnetosphere. We analyze the sensitivity of the POES technique to different inputs used to infer the hiss wave amplitudes during three conjunction events with the Van Allen Probes. These amplitudes are calculated with different input models of the plasma density, wave frequency spectrum, and electron energy spectrum, and the results are compared to the wave observations from the twin Van Allen Probes. Only one parameter is varied at a time in order to isolate its effect on the output, while the two other inputs are set to the values observed by the Van Allen Probes. The results show that the predicted hiss amplitudes are most sensitive to the adopted frequency spectrum, followed by the plasma density, but they are not very sensitive to the electron energy spectrum. Moreover, the standard Gaussian representation of the wave frequency spectrum (centered at 550 Hz) peaks at frequencies that are much higher than those observed in individual cases as well as in statistical wave distributions, which produces large overestimates of the hiss wave amplitude. For this reason, a realistic statistical model of the wave frequency spectrum should be used in the POES technique to infer the plasmaspheric hiss wave intensity rather than a standard Gaussian distribution, since the former better reproduces the observed plasmaspheric hiss wave amplitudes.

  1. First evidence for correlations between electron fluxes measured by NOAA-POES satellites and large seismic events

    NASA Astrophysics Data System (ADS)

    Battiston, Roberto; Vitale, Vincenzo

    2013-10-01

    We present the result for the search of correlations between the precipitation of low energy electrons (E>0.3MeV) trapped within the Van Allen Belts and earthquakes with magnitude above 5 Richter scale. We used the electron data measured by the NOAA POES 15,16,17 and 18 satellites collected during a period of 13 years, corresponding to about 18 thousands M>5 earthquakes registered in the NEIC catalog of the U.S. Geological Survey. We defined Particle Burst (PB) the fluctuations of electrons counting rate having a probability <1% to be a background fluctuation. Within a time window of ±36 hours, we observe a clear correlation peak at -1.25±0.25 hours. This result is obtained using data driven algorithms independent from specific modelling of the lithosphere-ionosphere coupling and adding the data collected by each POES satellite. The significance of the observed correlation peak is 5.7 s.d. corresponding to a probability of 1.210-6 of being a statistical fluctuation. The observed correlation involves about 1.410-3 of the earthquakes in that period of time. It provides the first statistically convincing evidence for the existence of a detectable coupling mechanism between the lithosphere and the magnetosphere having well defined time characteristics.

  2. The Use of Interactive Computer Animations Based on POE as a Presentation Tool in Primary Science Teaching

    NASA Astrophysics Data System (ADS)

    Akpınar, Ercan

    2014-08-01

    This study investigates the effects of using interactive computer animations based on predict-observe-explain (POE) as a presentation tool on primary school students' understanding of the static electricity concepts. A quasi-experimental pre-test/post-test control group design was utilized in this study. The experiment group consisted of 30 students, and the control group of 27 students. The control group received normal instruction in which the teacher provided instruction by means of lecture, discussion and homework. Whereas in the experiment group, dynamic and interactive animations based on POE were used as a presentation tool. Data collection tools used in the study were static electricity concept test and open-ended questions. The static electricity concept test was used as pre-test before the implementation, as post-test at the end of the implementation and as delay test approximately 6 weeks after the implementation. Open-ended questions were used at the end of the implementation and approximately 6 weeks after the implementation. Results indicated that the interactive animations used as presentation tools were more effective on the students' understanding of static electricity concepts compared to normal instruction.

  3. The effects and correction of the geometric factor for the POES/MEPED electron flux instrument using a multisatellite comparison

    NASA Astrophysics Data System (ADS)

    Whittaker, Ian C.; Rodger, Craig J.; Clilverd, Mark A.; Sauvaud, Jean-André

    2014-08-01

    Measurements from the Polar-Orbiting Environmental Satellite (POES) Medium Energy Proton and Electron Detector (MEPED) instrument are widely used in studies into radiation belt dynamics and atmospheric coupling. However, this instrument has been shown to have a complex energy-dependent response to incident particle fluxes, with the additional possibility of low-energy protons contaminating the electron fluxes. We test the recent Monte Carlo theoretical simulation of the instrument by comparing the responses against observations from an independent experimental data set. Our study examines the reported geometric factors for the MEPED electron flux instrument against the high-energy resolution Instrument for Detecting Particles (IDPs) on the Detection of Electromagnetic Emissions Transmitted from Earthquake Regions satellite when they are located at similar locations and times, thereby viewing the same quasi-trapped population of electrons. We find that the new Monte Carlo-produced geometric factors accurately describe the response of the POES MEPED instrument. We go on to develop a set of equations such that integral electron fluxes of a higher accuracy are obtained from the existing MEPED observations. These new MEPED integral fluxes correlated very well with those from the IDP instrument (>99.9% confidence level). As part of this study we have also tested a commonly used algorithm for removing proton contamination from MEPED instrument observations. We show that the algorithm is effective, providing confirmation that previous work using this correction method is valid.

  4. Global Distribution of Chorus Wave Intensity Directly Measured By Van Allen Probes and Themis and Inferred from Poes Electron Measurements

    NASA Astrophysics Data System (ADS)

    Li, W.; Thorne, R. M.; Ni, B.; Bortnik, J.; Kletzing, C.; Kurth, W. S.; Hospodarsky, G. B.; Angelopoulos, V.; Green, J. C.

    2014-12-01

    Whistler-mode chorus waves play a fundamental role in accelerating seed electrons to highly relativistic energies, as well as causing energetic electron precipitation into the upper atmosphere. Using newly available Van Allen Probes wave data and THEMIS high-resolution wave data, which provide extensive coverage in the entire inner magnetosphere, we construct an empirical global model of chorus wave intensity categorized by various levels of geomagnetic activity. Recently, we have developed a physics-based technique of linking chorus wave intensity and two-directional electron fluxes (30-100 keV) measured at the conjugate low altitudes by POES satellites to show that the inferred chorus wave intensity provides reasonable estimates on the averaged chorus wave intensity. We apply these two different methods, namely (1) the empirical chorus wave model dependent on geomagnetic activity, and (2) the inferred chorus wave intensity from two-directional POES electron measurements, to a few interesting events and evaluate their performance by comparing against in-situ observations of chorus wave intensity from Van Allen Probes and THEMIS. The developed global chorus wave model is critical in quantitatively evaluating the role of chorus waves in radiation belt and ring current electron dynamics.

  5. Analysis of plasmaspheric hiss wave amplitudes inferred from low-altitude POES electron data: Validation with conjunctive Van Allen Probes observations

    NASA Astrophysics Data System (ADS)

    Soria-Santacruz, M.; Li, W.; Thorne, R. M.; Ma, Q.; Bortnik, J.; Ni, B.; Kletzing, C. A.; Kurth, W. S.; Hospodarsky, G. B.

    2015-10-01

    Plasmaspheric hiss plays an important role in controlling the overall structure and dynamics of the Earth's radiation belts. The interaction of plasmaspheric hiss with radiation belt electrons is commonly evaluated using diffusion codes, which rely on statistical models of wave observations that may not accurately reproduce the instantaneous global wave distribution or the limited in situ satellite wave measurements. This paper evaluates the performance and limitations of a novel technique capable of inferring wave amplitudes from low-altitude electron flux observations from the Polar Orbiting Environmental Satellites (POES), which provide extensive coverage in shell and magnetic local time (MLT). We found that, within its limitations, this technique could potentially be used to build a dynamic global model of the plasmaspheric hiss wave intensity. The technique is validated by analyzing the conjunctions between the POES spacecraft and the Van Allen Probes from September 2012 to June 2014. The technique performs well for moderate-to-strong hiss activity (≥30 pT) with sufficiently high electron fluxes. The main source of these limitations is the number of counts of energetic electrons measured by the POES spacecraft capable of resonating with hiss waves. For moderate-to-strong hiss events, the results show that the wave amplitudes from the EMFISIS instruments on board the Van Allen Probes are well reproduced by the POES technique, which provides more consistent estimates than the parameterized statistical hiss wave model based on CRRES data.

  6. A Different Approach to Have Science and Technology Student-Teachers Gain Varied Methods in Laboratory Applications: A Sample of Computer Assisted POE Application

    ERIC Educational Resources Information Center

    Saka, Arzu

    2012-01-01

    The purpose of this study is to develop a new approach and assess the application for the science and technology student-teachers to gain varied laboratory methods in science and technology teaching. It is also aimed to describe the computer-assisted POE application in the subject of "Photosynthesis-Light" developed in the context of this approach…

  7. Facilitating Preschoolers' Scientific Knowledge Construction via Computer Games Regarding Light and Shadow: The Effect of the Prediction-Observation-Explanation (POE) Strategy

    NASA Astrophysics Data System (ADS)

    Hsu, Chung-Yuan; Tsai, Chin-Chung; Liang, Jyh-Chong

    2011-10-01

    Educational researchers have suggested that computer games have a profound influence on students' motivation, knowledge construction, and learning performance, but little empirical research has targeted preschoolers. Thus, the purpose of the present study was to investigate the effects of implementing a computer game that integrates the prediction-observation-explanation (POE) strategy (White and Gunstone in Probing understanding. Routledge, New York, 1992) on facilitating preschoolers' acquisition of scientific concepts regarding light and shadow. The children's alternative conceptions were explored as well. Fifty participants were randomly assigned into either an experimental group that played a computer game integrating the POE model or a control group that played a non-POE computer game. By assessing the students' conceptual understanding through interviews, this study revealed that the students in the experimental group significantly outperformed their counterparts in the concepts regarding "shadow formation in daylight" and "shadow orientation." However, children in both groups, after playing the games, still expressed some alternative conceptions such as "Shadows always appear behind a person" and "Shadows should be on the same side as the sun."

  8. A novel technique to construct the global distribution of whistler mode chorus wave intensity using low-altitude POES electron data

    NASA Astrophysics Data System (ADS)

    Ni, Binbin; Li, Wen; Thorne, Richard M.; Bortnik, Jacob; Green, Janet C.; Kletzing, Craig A.; Kurth, William S.; Hospodarsky, George B.; Soria-Santacruz Pich, Maria

    2014-07-01

    Although magnetospheric chorus plays a significant role in the acceleration and loss of radiation belt electrons, its global evolution during any specific time period cannot be directly obtained by spacecraft measurements. Using the low-altitude NOAA Polar-orbiting Operational Environmental Satellite (POES) electron data, we develop a novel physics-based methodology to infer the chorus wave intensity and construct its global distribution with a time resolution of less than an hour. We describe in detail how to apply the technique to satellite data by performing two representative analyses, i.e., (i) for one specific time point to visualize the estimation procedure and (ii) for a particular time period to validate the method and construct an illustrative global chorus wave model. We demonstrate that the spatiotemporal evolution of chorus intensity in the equatorial magnetosphere can be reasonably estimated from electron flux measurements made by multiple low-altitude POES satellites with a broad coverage of L shell and magnetic local time. Such a data-based, dynamic model of chorus waves can provide near-real-time wave information on a global scale for any time period where POES electron data are available. A combination of the chorus wave spatiotemporal distribution acquired using this methodology and the direct spaceborne wave measurements can be used to evaluate the quantitative scattering caused by resonant wave-particle interactions and thus model radiation belt electron variability.

  9. Global EDGAR greenhouse gas emissions and national emissions reporting under the UN Climate Convention: availability, structure, definitions and role of uncertainties

    NASA Astrophysics Data System (ADS)

    Olivier, J. G.; Monni, S.; van Aardenne, J.; Doering, U. M.; Janssens-Maenhout, G.; Peters, J. A.; Pagliari, V.

    2010-12-01

    JRC and PBL have compiled a comprehensive EDGAR v4 dataset for the ‘six’ greenhouse gases included in the Kyoto Protocol (CO2, CH4, N2O, HFCs, PFCs and SF6), which were constructed using consistently the 2006 IPCC methodology and combining activity data (international statistics) from publicly available sources and for the first time - to the extent possible - emission factors as recommended by the IPCC 2006 guidelines for GHG emission inventories. This dataset, that covers all countries, provides independent estimates for all anthropogenic sources from 1970 onwards that are consistent over time and comparable between countries. By using high resolution global grid maps per source category, we also compiled datasets with annual emissions on a 0.1x0.1 degree grid, as input for atmospheric models. Of the 220 UN nations only 43 industrialised countries (‘Annex I’) annually report their national GHG emissions in large detail from 1990 up to (presently) 2008, while most developing countries (‘non-Annex I’) for the UN Climate Convention (UNFCCC) and the Kyoto Protocol only report a summary table with emissions for one or more years (many only for 1994). All emissions in EDGAR 4 are detailed at country level using the same standard IPCC inventory source categories as used by industrialised countries in their report to the Climate Convention. Thus we provide full and up-to-date inventories per country, also for developing countries that go beyond the mostly very aggregated UNFCCC reports of the developing countries. Moreover, the time series back in time to 1970 provides for the UNFCCC trends a historic perspective. As part of our objective to contribute to more reliable inventories by providing a reference emissions database for emission scenarios, inventory comparisons and for atmospheric modellers, we strive to transparently document all data sources used and assumptions made where data was missing, in particular for assumptions made on the shares of

  10. Epilepsy and catalepsy in Anglo-American literature between romanticism and realism: Tennyson, Poe, Eliot and Collins.

    PubMed

    Wolf, P

    2000-12-01

    Epilepsy and catalepsy were not clearly separated in the minds of people in the early 19th century, and catalepsy may have been used as a diagnostic euphemism for epilepsy. Tennyson, in "The Princess" describes, under the diagnosis of catalepsy, probable temporal lobe epileptic dreamy states with derealization which serve as a metaphor of sexual and moral ambivalence, the poem's central theme. It seems that Tennyson knew such seizures from his own father who had been given a diagnosis of catalepsy. Poe gave his Berenice in the novella of the same title a diagnosis of epilepsy as a reason for a premature burial. However, there was a good deal of unlikelyhood in this, and when he came to this theme in "The Fall of the House of Usher" and in "The Premature Burial" he chose instead a diagnosis of catalepsy which fitted better with the plot. The fits of the title character in George Eliot's Silas Marner, diagnosed as catalepsy, would today rather be seen as epileptic twilight states. It would seem that this author drew from contemporary dictionary descriptions which described conditions similar to Marner's fits under the heading of catalepsy. In Eliot's "legend with a realistic treatment", the twilight states are a central factor in the plot and explain Marner's reclusion and passivity. In Poor Miss Finch by English realist Wilkie Collins, the post-traumatic seizures of Oscar, one of the main characters, their cause, their treatment with silver nitrate, and the subsequent discoloration of his skin are central supporting elements of a perfectly constructed plot. Collins gives an exact description of a right versive seizure with secondary generalisation, and how to deal with it. In none of these works seizures are seen in a negative light. They rather evoke reactions of sympathy and support. PMID:11232370

  11. Global EDGAR v4.1 emissions of air pollutants: analysis of impacts of emissions abatement in industry and road transport on regional and global scale

    NASA Astrophysics Data System (ADS)

    Janssens-Maenhout, G.; Olivier, J. G.; Doering, U. M.; van Aardenne, J.; Monni, S.; Pagliari, V.; Peters, J. A.

    2010-12-01

    The new version v4.1 of the Emission Database for Global Atmospheric Research (EDGAR) compiled by JRC and PBL provides independent estimates of the global anthropogenic emissions and emission trends of precursors of tropospheric ozone (CO, NMVOC, NOx) and acidifying substances (NOx, NH3, SO2) for the period 1970-2005. All emissions are detailed at country level consistently using the same technology-based methodology, combining activity data (international statistics) from publicly available sources and to the extent possible emission factors as recommended by the EMEP/EEA air pollutant emission inventory guidebook. By using high resolution global grid maps per source category of area sources and point sources, we also compiled datasets with annual emissions on a 0.1x0.1 degree grid, as input for atmospheric models. We provide full and up-to-date inventories per country, also for developing countries. Moreover, the time series back in time to 1970 provides for the trends in official national inventories a historic perspective. As part of our objective to contribute to more reliable inventories by providing a reference emissions database for emission scenarios, inventory comparisons and for atmospheric modellers, we strive to transparently document all data sources used and assumptions made where data was missing, in particular for assumptions made on the shares of technologies where relevant. Technology mixes per country or region were taken from other data sources (such as the Platts database) or estimated using other sources or countries as proxy. The evolution in the adoption of technologies world-wide over the 35 years covered by EDGAR v4.1 will be illustrated for the power industry and the road transport sectors, in particular for Europe and the US. Similarly the regional and global impacts of implemented control measures and end-of pipe abatements will be illustrated by the examples of - NOx and SO2 end-of pipe abatements being implemented since the late

  12. The Deubiquitinase USP47 Stabilizes MAPK by Counteracting the Function of the N-end Rule ligase POE/UBR4 in Drosophila.

    PubMed

    Ashton-Beaucage, Dariel; Lemieux, Caroline; Udell, Christian M; Sahmi, Malha; Rochette, Samuel; Therrien, Marc

    2016-08-01

    RAS-induced MAPK signaling is a central driver of the cell proliferation apparatus. Disruption of this pathway is widely observed in cancer and other pathologies. Consequently, considerable effort has been devoted to understanding the mechanistic aspects of RAS-MAPK signal transmission and regulation. While much information has been garnered on the steps leading up to the activation and inactivation of core pathway components, comparatively little is known on the mechanisms controlling their expression and turnover. We recently identified several factors that dictate Drosophila MAPK levels. Here, we describe the function of one of these, the deubiquitinase (DUB) USP47. We found that USP47 acts post-translationally to counteract a proteasome-mediated event that reduces MAPK half-life and thereby dampens signaling output. Using an RNAi-based genetic interaction screening strategy, we identified UBC6, POE/UBR4, and UFD4, respectively, as E2 and E3 enzymes that oppose USP47 activity. Further characterization of POE-associated factors uncovered KCMF1 as another key component modulating MAPK levels. Together, these results identify a novel protein degradation module that governs MAPK levels. Given the role of UBR4 as an N-recognin ubiquitin ligase, our findings suggest that RAS-MAPK signaling in Drosophila is controlled by the N-end rule pathway and that USP47 counteracts its activity. PMID:27552662

  13. The Deubiquitinase USP47 Stabilizes MAPK by Counteracting the Function of the N-end Rule ligase POE/UBR4 in Drosophila

    PubMed Central

    Udell, Christian M.; Sahmi, Malha; Rochette, Samuel; Therrien, Marc

    2016-01-01

    RAS-induced MAPK signaling is a central driver of the cell proliferation apparatus. Disruption of this pathway is widely observed in cancer and other pathologies. Consequently, considerable effort has been devoted to understanding the mechanistic aspects of RAS-MAPK signal transmission and regulation. While much information has been garnered on the steps leading up to the activation and inactivation of core pathway components, comparatively little is known on the mechanisms controlling their expression and turnover. We recently identified several factors that dictate Drosophila MAPK levels. Here, we describe the function of one of these, the deubiquitinase (DUB) USP47. We found that USP47 acts post-translationally to counteract a proteasome-mediated event that reduces MAPK half-life and thereby dampens signaling output. Using an RNAi-based genetic interaction screening strategy, we identified UBC6, POE/UBR4, and UFD4, respectively, as E2 and E3 enzymes that oppose USP47 activity. Further characterization of POE-associated factors uncovered KCMF1 as another key component modulating MAPK levels. Together, these results identify a novel protein degradation module that governs MAPK levels. Given the role of UBR4 as an N-recognin ubiquitin ligase, our findings suggest that RAS-MAPK signaling in Drosophila is controlled by the N-end rule pathway and that USP47 counteracts its activity. PMID:27552662

  14. Systematics and the origin of species from the viewpoint of a botanist: edgar anderson prepares the 1941 jesup lectures with ernst mayr.

    PubMed

    Kleinman, Kim

    2013-01-01

    The correspondence between Edgar Anderson and Ernst Mayr leading into their 1941 Jesup Lectures on "Systematics and the Origin of Species" addressed population thinking, the nature of species, the relationship of microevolution to macroevolution, and the evolutionary dynamics of plants and animals, all central issues in what came to be known as the Evolutionary Synthesis. On some points, they found ready agreement; for others they forged only a short term consensus. They brought two different working styles to this project reflecting their different appreciations of what was possible at this point in evolutionary studies. For Mayr, it was a focused project with definitive short term conclusions imminent while Anderson viewed it as an episode in an ongoing historical process that, while exciting and suggestive, remained openended. Thus, Mayr and Anderson represent two distinct perspectives on the Evolutionary Synthesis in formation; by understanding both of their points of view, we can grasp more fully the state of evolutionary theory at this key moment. PMID:22684268

  15. Assessing Changes in High School Students' Conceptual Understanding through Concept Maps before and after the Computer-Based Predict-Observe-Explain (CB-POE) Tasks on Acid-Base Chemistry at the Secondary Level

    ERIC Educational Resources Information Center

    Yaman, Fatma; Ayas, Alipasa

    2015-01-01

    Although concept maps have been used as alternative assessment methods in education, there has been an ongoing debate on how to evaluate students' concept maps. This study discusses how to evaluate students' concept maps as an assessment tool before and after 15 computer-based Predict-Observe-Explain (CB-POE) tasks related to acid-base chemistry.…

  16. Using POE Centers

    ERIC Educational Resources Information Center

    Rios, Jose M.

    2002-01-01

    Inquiry. It's a word that every teacher has heard repeatedly since the publication of the National Science Education Standards. Given the challenges of teaching core content, preparing students for inquiry may seem like a daunting task. Yet there are many different approaches to inquiry. Examining the nature of the scientific method and reducing…

  17. A Door Is a Big Wooden Thing with a Knob: Getting a Handle on Metaphorical Interface Design.

    ERIC Educational Resources Information Center

    Bishop, M. J.; Cates, Ward Mitchell

    This paper chronicles the evolution of a metaphorical graphical user interface (MGUI) at Lehigh University (Pennsylvania). From its inception, "The Funeral of Edgar" has been a guided exploration of Edgar Allan Poe's poem, "The Raven," aimed at modeling high school students' critical and analytical reading skills. This product is targeted for the…

  18. Monitoring the tail current contribution to the Dcx index with NOAA/POES satellites: differences between CME and HSS driven storms

    NASA Astrophysics Data System (ADS)

    Asikainen, T.; Maliniemi, V.; Mursula, K.

    2012-04-01

    It is well known that, in addition to the ring current, also other current systems like the magnetopause currents and the tail current have a significant contribution to the Dcx index. While the effect of the magnetopause currents are typically removed by correcting for the solar wind pressure, the effects of the tail current are less well understood and have received less attention. Still, some recent studies have shown that the tail current can have a significant and even a dominant contribution to the Dst index at least during the main phase of moderate storms. We have developed a semi-empirical model that expresses the Dcx index as a sum of ring current, tail current and magnetopause contributions. In the model, the tail current is monitored by observing the location of the night-side isotropic boundary of energetic protons using the MEPED energetic particle instrument onboard NOAA/POES satellites. We briefly present here the model paying particular attention to the tail current and the solar wind parameters driving it. We apply the model to a set of magnetic storms driven by coronal mass ejections (CME) and high speed solar wind streams (HSS), and discuss the differences in the tail and ring current response between these two drivers.

  19. Precipitating auroral electrons and lower thermospheric nitric oxide densities: SNOE, POLAR, SAMPEX, and NOAA/POES Comparisons for Geomagnetic Storms in 1998-2001

    NASA Astrophysics Data System (ADS)

    Baker, D. N.; Fisher, T. A.; Barth, C. A.; Mankoff, K. D.; Kanekal, S. G.; Bailey, S. M.; Petrinec, S. M.; Luhmann, J. G.; Mason, G. M.; Mazur, J. E.; Evans, D. S.

    2002-05-01

    Nitric oxide (NO) densities measured at altitudes between 97 and 150 km have been acquired using the UVS sensor onboard the Student Nitric Oxide Explorer (SNOE) spacecraft during the years 1998-2001. These data are compared with energetic electron fluxes (E>25 keV) measured concurrently using a sensitive sensor system (LICA) onboard the Solar, Anomalous, and Magnetospheric Particle Explorer (SAMPEX) spacecraft. Geomagnetic storm intervals are examined to determine altitude and latitude variations of NO density as it compares to energetic electron precipitation. A broader statistical analysis is then carried out using daily averages of peak NO densities (at 106 km altitudes) and electron intensities measured by SAMPEX/LICA and by the TED sensor system onboard the NOAA/Polar Orbiting Environmental Satellite (POES) spacecraft. We also use the PIXIE instrument onboard POLAR to obtain global views of 2-12 keV x-rays emanating from the upper atmosphere. This gives a broad synoptic measure of relatively low-energy electron precipitation into the atmosphere. Latitude versus time displays of the UVS, PIXIE, LICA and TED data show excellent temporal and spatial correlations of the data sets. More detailed comparisons help us to assess spectral and local time relationships between auroral particle inputs and lower thermospheric chemical responses. These results are potentially quite important since past modeling has shown that particle inputs are significant for changing the chemistry and subsequent dynamics of the atmosphere.

  20. Warm and hot electron distribution in the inner magnetosphere and the plasmasheet region related to the magnetospheric indices and the solar wind parameters: a statistical study form the NOAA POES TED and MEPED data

    NASA Astrophysics Data System (ADS)

    Boscher, Daniel; Rochel Grimald, Sandrine

    2013-04-01

    Using DMSP satellites, low altitude measurements has demonstrated to give a good picture of the plasmasheet population. The NOAA POES satellites are a constellation of five spacecraft orbiting in a polar orbit between 800 and 850 km and covering a wide L-shell range. They provide fourteen years of data without interruption which allow to make statistical study of the inner magnetosphere and the plasmasheet population. Moreover, since 2002, three of the NOAA POES satellites are located at different local times allowing to deduce the plasmasheet properties, even for huge magnetic activity. This paper present a statistical study of the warm and hot electron density over an energy range [0.16 ; 300] keV and between 1 and 12 Re. We present here maps in Mac Ilwain L paramater / MLT and we use the magnetic indices and solar wind parameter to classify our observations. The results show a clear motion of the plasmapause when Kp increase, which is in agreement with previous results, but it also show changes of the plasmapause shape and strong density variations in the night side sector. Moreover, a clear link between the solar wind parameters, in particular Bz, and the density distribution has been established. Unexpected distributions have been observed in the dayside and will be discussed here.

  1. Extreme energetic electron fluxes in low Earth orbit: Analysis of POES E > 30, E > 100, and E > 300 keV electrons

    NASA Astrophysics Data System (ADS)

    Meredith, Nigel P.; Horne, Richard B.; Isles, John D.; Green, Janet C.

    2016-02-01

    Energetic electrons are an important space weather hazard. Electrons with energies less than about 100 keV cause surface charging, while higher-energy electrons can penetrate materials and cause internal charging. In this study we conduct an extreme value analysis of the maximum 3-hourly flux of E > 30 keV, E > 100 keV, and E > 300 keV electrons in low Earth orbit as a function of L∗, for geomagnetic field lines that map to the outer radiation belt, using data from the National Oceanic and Atmospheric Administration Polar Operational Environmental Satellites (POES) from July 1998 to June 2014. The 1 in 10 year flux of E > 30 keV electrons shows a general increasing trend with distance ranging from 1.8 × 107 cm-2 s-1 sr-1 at L∗=3.0 to 6.6 × 107 cm-2 s-1 sr-1 at L∗=8.0. The 1 in 10 year flux of E > 100 keV electrons peaks at L∗=4.5-5.0 at 1.9 × 107 cm-2 s-1 sr-1 decreasing to minima of 7.1 × 106 and 8.7 × 106 cm-2 s-1 sr-1 at L∗=3.0 and 8.0, respectively. In contrast to the E > 30 keV electrons, the 1 in 10 year flux of E > 300 keV electrons shows a general decreasing trend with distance, ranging from 2.4 × 106 cm-2 s-1 sr-1 at L∗=3.0 to 1.2 × 105 cm-2 s-1 sr-1 at L∗=8.0. Our analysis suggests that there is a limit to the E > 30 keV electrons with an upper bound in the range 5.1 × 107 to 8.8 × 107 cm-2 s-1 sr-1. However, the results suggest that there is no upper bound for the E > 100 keV and E > 300 keV electrons.

  2. Comparison of Geomagnetically-shielded Solar Energetic Proton Fluxes Observed at Geostationary Orbit by GOES and in Low-earth Orbit by SAMPEX, POES and MetOp

    NASA Astrophysics Data System (ADS)

    Rodriguez, J. V.; Mazur, J. E.; Green, J. C.; Machol, J. L.

    2012-12-01

    On the current (13-15) and upcoming (R+) series of NOAA Geostationary Operational Environmental Satellites (GOES), solar protons are observed from each satellite in the eastward and westward directions. Solar protons that arrive at a given location in the inner magnetosphere have energies greater than their geomagnetic cutoffs, which depend on direction of arrival as well as the strength of geomagnetic disturbances. Protons arriving from the west at geostationary orbit (GEO) have much lower geomagnetic cutoff energies than protons arriving from the east. As a result, GOES westward observations of >4 MeV protons are representative of the interplanetary population near Earth and serve as the basis for NOAA's real-time solar radiation storm alerts. While the GOES westward observations are similar to the Solar, Anomalous and Magnetospheric Particle Explorer (SAMPEX) Proton-Electron Telescope (PET) proton observations in the polar cap (above invariant L = 10), GOES eastward observations more closely approximate the PET observations at invariant L = 4-4.5 in low earth orbit (LEO). Therefore, GOES may potentially provide a real-time, two-point estimate of the radial gradient of solar energetic protons between L = 6.6 and L = 4. However, the PET observations at L = 4-4.5 exhibit a much wider range of variability than the GOES eastward observations. Therefore, the purpose of this study is to determine how representative the GOES two-point gradient estimate is as a function of magnetic local time and geographic longitude. The study encompasses the largest solar proton events (SPE) in Solar Cycle 23 and to date in Solar Cycle 24. From April 1998 through December 2006, GOES 10 provides eastward GEO and SAMPEX PET provides LEO observations of large SPEs. The Solar Cycle 24 GEO observations are provided by GOES 13 and 15. From July 1998 to date, the Space Environment Monitors (SEM-2) on the NOAA Polar Operational Environmental Satellites (POES) and EUMETSAT MetOp-A provide SPE

  3. What's Happening in January?

    ERIC Educational Resources Information Center

    Toro, Leonor

    The booklet contains brief information on nine January events celebrated by Puerto Ricans: New Year; Epiphany; and the birthdays of Betsy Ross, Eugenio Maria de Hostos, Dr. Martin Luther King, Benjamin Franklin, Edgar Allan Poe, William McKinley, and Franklin Delano Roosevelt. Designed as a teacher resource, the booklet includes brief biographical…

  4. Writing and Publishing: The Ultimate Teen Guide. It Happened to Me #27

    ERIC Educational Resources Information Center

    Schwartz, Tina P.

    2010-01-01

    Edgar Allen Poe, Langston Hughes, Louisa May Alcott, and Stephen King are just a handful of famous authors who began their publishing careers in their teens. Many young adults would like to write and publish but few know where to begin. While there are many books on how to write and how to get published, none are written specifically for teens.…

  5. Constructing Complexity: Using Reading Levels to Differentiate Reading Comprehension Activities

    ERIC Educational Resources Information Center

    FitzPatrick, Declan

    2008-01-01

    The author remembers a class when he asked his students to discuss in small groups how Edgar Allan Poe suggests a judgment of the main character in "The Cask of Amontillado". During their discussion it became clear to the author that the students couldn't come to consensus because they had no grasp of the narrator's explanations of his motivations…

  6. The Artist of the Beautiful: An Allegory for Our Times

    ERIC Educational Resources Information Center

    Thornton, Kathleen

    2005-01-01

    Following her return to the classroom after a two-year administrative absence, Kathleen Thornton--the Director of Undergraduate English Advisement and a lecturer at the University of Albany, New York--was struck by the language her undergraduate students used to discuss the stories of authors such as Edgar Allan Poe or Nathaniel Hawthorne. While…

  7. Probes into the Actuality of Fantasy: Jean Epstein's "La Chute de la Maison Usher."

    ERIC Educational Resources Information Center

    Harpole, Charles H.

    "La Chute de la Maison Usher" is a film adaptation by Jean Epstein of two stories by Edgar Allan Poe, "The Fall of the House of Usher" and "The Oval Portrait." This film was typical of Epstein's artistic preoccupation with the ambivalence of reality as expressed in fantasy or surrealism, in qualities of movement, and in the vagaries of seeing and…

  8. Unit 1003: The Language of Exposition.

    ERIC Educational Resources Information Center

    Minnesota Univ., Minneapolis. Center for Curriculum Development in English.

    This language unit for grade 10 builds on a definition of the expository use of language developed in the two previous 10th-grade units. In a brief overview of report language, the referential language of Thomas Huxley is compared with the expressive language of Edgar Allan Poe. The writings of S. I. Hayakawa, Hans Guth, and others are examined…

  9. Reclaiming the Power of Subversive Language in Romantic and Transcendental Literature

    ERIC Educational Resources Information Center

    Nugent, Kelly Ann

    2004-01-01

    A high school teacher tries to eliminate the obstacles to subversive teaching in public schools by asking them to design schools that embodied the principles of learning suggested by the romantic and transcendental writers like Emily Dickinson, Ralph Waldo Emerson, Edgar Allan Poe, Henry David Thoreau, and Walt Whitman. It helps the students…

  10. Reexamining the Structure of Hemingway's "The Doctor and the Doctor's Wife."

    ERIC Educational Resources Information Center

    Mulvey, James

    2003-01-01

    Considers how Hemingway's "The Doctor and the Doctor's Wife" is a model of Edgar Allan Poe's aesthetic of the short story. Examines this work on many levels. Concludes that great writers, such as Ernest Hemingway, challenge readers to find the clues, to connect the dots, to pay attention to the "little details." (SG)

  11. An Investigation of the Awareness and Use of Style in Adolescents' Reading and Writing.

    ERIC Educational Resources Information Center

    Church, Elizabeth; Bereiter, Carl

    A study assessed the ability of 20 eleventh grade students to recognize particular stylistic features when reading and then to use such features in their writing. Half the subjects were given a model paragraph from an Edgar Allen Poe story, without having the story identified for them, while the other half received only a verbal summary of the…

  12. Notes on flying and dying.

    PubMed

    Meyer, B C

    1983-07-01

    Focused on selected details in the lives and creative works of Samuel Johnson, Edgar Allan Poe, and Houdini, this paper explores a seeming antinomy between claustrophobic annihilation and aviation. At first glance the latter appears as an antidote to the threat of entrapment and death. On a deeper level the distinction fades as the impression arises that in the examples cited, flying may represent an unconscious expression of a wish for death and ultimate reunion. PMID:6351146

  13. Kelvin on an old, celebrated hypothesis

    NASA Astrophysics Data System (ADS)

    Harrison, Edward

    1986-07-01

    Lord Kelvin in 1901 tested an ``old and celebrated hypothesis'' that if we could see far enough into space the whole sky would be occupied with stellar disks all of perhaps the same brightness as the Sun. Kelvin was the first to solve quantitatively and correctly the riddle of a dark night sky, a riddle that had been previously solved qualitatively by Edgar Allan Poe, and is now known as Olbers' paradox.

  14. 17 CFR 232.301 - EDGAR Filer Manual.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. You must comply with these... of 10 a.m and 3 p.m. Electronic copies are available on the Commission's Web site. The address...

  15. 17 CFR 232.301 - EDGAR Filer Manual.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. You must comply with these... days between the hours of 10 a.m. and 3 p.m. Electronic copies are available on the Commission's...

  16. Water. [Project ECOLogy ELE Pak, Toulouse & Edgar Pak].

    ERIC Educational Resources Information Center

    Toulouse, Dick; Edgar, Linda

    This is one of a series of units for environmental education developed by the Highline Public Schools. This unit on water is designed for seventh-grade science classes. Included are 13 lessons. Each lesson usually includes the concept of the lesson, materials needed, notes to the teacher, procedure, and evaluation activities. In addition, there…

  17. RADON REMOVAL BY POE GAC SYSTEMS: DESIGN PERFORMANCE AND COST

    EPA Science Inventory

    This report summarizes previous research conducted by Lowry Engineering, Inc. (LEI), the Maine Department of Human Services, Division of Health Engineering, and the University of Maine, Department of Civil Engineering, on the removal of Rn from drinking water supplies using granu...

  18. Favorite Detective Story Writers: From Poe to the Present (Booksearch).

    ERIC Educational Resources Information Center

    English Journal, 1992

    1992-01-01

    Provides 14 high school teachers' responses the question, "Who is your favorite writer of detective fiction?" Finds that Tony Hillerman is the most popular. Features other favorites such as Ellis Peters, Dorothy Sayers, Janwillem van de Wettering, James Melville, K. C. Constantine, Amanda Cross, Jane Langton, Ross MacDonald, Robert B. Parker, Sue…

  19. POES MEPED differential flux retrievals and electron channel contamination correction

    NASA Astrophysics Data System (ADS)

    Peck, E. D.; Randall, C. E.; Green, J. C.; Rodriguez, J. V.; Rodger, C. J.

    2015-06-01

    A correction method to remove proton contamination from the electron channels of the Polar-orbiting Operational Environmental Satellites Medium Energy Proton/Electron Detector (MEPED) is described. Proton contamination estimates are based on measurements in five of the MEPED proton spectral channels. A constrained inversion of the MEPED proton channel response function matrix is used to calculate proton differential flux spectra. In this inversion, the proton energy distribution is described by a weighted combination of exponential, power law, and Maxwellian distributions. Proton contamination in the MEPED electron spectral channels is derived by applying the electron channel proton sensitivities to the proton fluxes from the best fit proton spectra. Once the electron channel measurements are corrected for proton contamination, an inversion of the electron channel response function matrix is used to calculate electron differential flux spectra. A side benefit of the method is that it yields an estimate for the integrated electron flux in the energy range from 300 keV to 2.5 MeV with a center energy at ~800 keV. The final product is a differential spectrum of electron flux covering the energy range from about 10 keV to 2.5 MeV that is devoid of proton contamination except during large solar proton events. Comparisons of corrected MEPED differential fluxes to the Detection of Electromagnetic Emissions Transmitted from Earthquake Regions Instrument for Detecting Particles show that MEPED fluxes are greater than what is expected from altitude-induced particle population changes; this is attributed at least partially to measurement differences in pitch angle range.

  20. Sherlock Holmes: scientific detective.

    PubMed

    Snyder, Laura J

    2004-09-01

    Sherlock Holmes was intended by his creator, Arthur Conan Doyle, to be a 'scientific detective'. Conan Doyle criticized his predecessor Edgar Allan Poe for giving his creation - Inspector Dupin - only the 'illusion' of scientific method. Conan Doyle believed that he had succeeded where Poe had failed; thus, he has Watson remark that Holmes has 'brought detection as near an exact science as it will ever be brought into the world.' By examining Holmes' methods, it becomes clear that Conan Doyle modelled them on certain images of science that were popular in mid- to late-19th century Britain. Contrary to a common view, it is also evident that rather than being responsible for the invention of forensic science, the creation of Holmes was influenced by the early development of it. PMID:15350761

  1. On the Nature of Design

    NASA Astrophysics Data System (ADS)

    Valverde, Sergi; Solé, Ricard V.

    At the attention of scientist, philosophers and layman alike. It was so extraordinary in fact that even today we are fascinated by it and by the no less uncommon people who got involved. The subject of this story was an amazing machine, more precisely an automaton. Known as the Turk, it was a mechanical chess player, made of wood and dressed in a Turkish-like costume (see Fig. 1). It played chess with Napoleon, inspired Charles Babbage and moved the great Edgar Allan Poe to write a critical essay about the nature of the automaton [1].

  2. Psychoanalysis and detective fiction: a tale of Freud and criminal storytelling.

    PubMed

    Yang, Amy

    2010-01-01

    Much has been written about Freud's influence on popular culture. This article addresses the influence of literature on Freud's psychoanalytical theory, specifically the role that modern detective fiction played in shaping Freudian theory. Edgar Allan Poe gave Freud the literary precedent; Sir Arthur Conan Doyle's creation Sherlock Holmes gave him the analytical model. In turn, the world of crime story-telling embedded Freudian theories in subsequent forms, spinning the tales of crime into a journey into the human mind. As these tales were popularized on the silver screen in the early 20th century, psychoanalytical ideas moved from the lecture halls into the cultural mainstream. PMID:21037412

  3. Julius Edgar Lilienfeld Prize Lecture: Did Cosmic Structure Originate from Quantum Mechanical Fluctuations?

    NASA Astrophysics Data System (ADS)

    Turner, Michael S.

    1997-04-01

    The hot big-bang cosmology provides a reliable account of the Universe from about 0.01 sec until the present. It holds that the cosmic structure that we see today -- galaxies, clusters of galaxies, superclusters, voids and great walls -- arose through the gravitational amplification of small (part in 10^5) variations in the density of matter which were present very early on. The theory of big-bang nucleosynthesis, which is one of the pillars of the hot big-bang model, indicates that ordinary matter (baryons) accounts for only about 5% of the critical density, while observations indicate that the total matter density, the bulk of which exists in the form of the ubiquitous and mysterious dark matter, is at least 20% of the critical density (and perhaps as high as the critical density). The origin of the density inhomogeneities and the nature of the dark matter are the two most pressing issues in cosmology today. Inflation is an expansive theory of the early Universe that squarely addresses both. Inflation holds that bulk of the dark matter exists in the form of slowly moving elementary particles left over from the earliest moments (referred to as cold dark matter) and that the density inhomogeneities originated as quantum fluctuations on scales of around 10-23 cm and were stretched to astrophysical scales by the tremendous expansion that took place during inflation. This bold hypothesis is being tested by a flood of cosmological observations, including measurements of the temperature anisotropy of the Cosmic Background Radiation, large (redshift) surveys of the distribution of galaxies, deep images of the Universe provided by the Hubble Space and Keck Telescopes, and direct searches for the particle dark matter in our own Milky Way galaxy. Should inflation and cold dark matter prove correct, our understanding of the Universe would be extended back to 10-32 sec and a window on physics at energies of 10^14 GeV would be opened.

  4. Julius Edgar Lilienfeld Prize Lecture: The Higgs Boson, String Theory, and the Real World

    NASA Astrophysics Data System (ADS)

    Kane, Gordon

    2012-03-01

    In this talk I'll describe how string theory is exciting because it can address most, perhaps all, of the questions we hope to understand about our world: why quarks and leptons make up our world, what forces form our world, cosmology, parity violation, and much more. I'll explain why string theory is testable in basically the same ways as the rest of physics, and why much of what is written about that is misleading. String theory is already or soon being tested in several ways, including correctly predicting the recently observed Higgs boson properties and mass, and predictions for dark matter, LHC physics, cosmological history, and more, from work in the increasingly active subfield ``string phenomenology.''

  5. Julius Edgar Lilienfeld Prize: Lilienfeld Prize Lecture: Emergent Behavior in Quantum Matter

    NASA Astrophysics Data System (ADS)

    Pines, David

    We live in an emergent universe in which interactions between the basic building blocks of matter and their environment give rise to unpredicted and unexpected emergent behavior at every scale. As physicists we seek to identify the organizing principles responsible for that behavior, construct soluble models that incorporate these, and explain experiment. In this lecture, I illustrate this approach to understanding emergent behavior in quantum matter through three examples: collective modes in electron, helium, and nuclear liquids; the emergence of superconductivity in conventional and unconventional superconductors, nuclei, and neutron stars; and the emergence of heavy electrons in Kondo lattice materials.

  6. Julius Edgar Lilienfeld Prize Talk: Quantum spintronics: abandoning perfection for new technologies

    NASA Astrophysics Data System (ADS)

    Awschalom, David D.

    2015-03-01

    There is a growing interest in exploiting the quantum properties of electronic and nuclear spins for the manipulation and storage of information in the solid state. Such schemes offer qualitatively new scientific and technological opportunities by leveraging elements of standard electronics to precisely control coherent interactions between electrons, nuclei, and electromagnetic fields. We provide an overview of the field, including a discussion of temporally- and spatially-resolved magneto-optical measurements designed for probing local moment dynamics in electrically and magnetically doped semiconductor nanostructures. These early studies provided a surprising proof-of-concept that quantum spin states can be created and controlled with high-speed optoelectronic techniques. However, as electronic structures approach the atomic scale, small amounts of disorder begin to have outsized negative effects. An intriguing solution to this conundrum is emerging from recent efforts to embrace semiconductor defects themselves as a route towards quantum machines. Individual defects in carbon-based materials possess an electronic spin state that can be employed as a solid state quantum bit at and above room temperature. Developments at the frontier of this field include gigahertz coherent control, nanofabricated spin arrays, nuclear spin quantum memories, and nanometer-scale sensing. We will describe advances towards quantum information processing driven by both physics and materials science to explore electronic, photonic, and magnetic control of spin. Work supported by the AFOSR, ARO, DARPA, NSF, and ONR.

  7. Julius Edgar Lilienfeld Prize: Lilienfeld Prize Lecture: Emergent Behavior in Quantum Matter

    NASA Astrophysics Data System (ADS)

    Pines, David

    We live in an emergent universe in which interactions between the basic building blocks of matter and their environment give rise to unpredicted and unexpected emergent behavior at every scale. As physicists we seek to identify the organizing principles responsible for that behavior, construct soluble models that incorporate these, and explain experiment. In this lecture, I illustrate this approach to understanding emergent behavior in quantum matter through three examples: collective modes in electron, helium, and nuclear liquids; the emergence of superconductivity in conventional and unconventional superconductors, nuclei, and neutron stars; and the emergence of heavy electrons in Kondo lattice materials.

  8. 17 CFR 259.602 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and on... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Form ID, uniform application... its CCC. (d) Password Modification Authorization Code (PMAC)—allows a filer, filing agent or...

  9. Julius Edgar Lilienfeld Prize: Chaotic Dynamics in the Physical Sciences: Some Comments and Examples

    NASA Astrophysics Data System (ADS)

    Ott, Edward

    2014-03-01

    Chaos was first discovered by Poincare in his famous 1887 work on the motion of N >2 bodies interacting through gravitational attraction. Although steady progress was made by mathematicians following Poincare's work, widespread impact and development of chaos in the physical sciences is only comparatively recent, i.e., approximately starting in the 1970's. This talk will review this history and give some examples illustrating the types of questions, problems and results arising from perspectives resulting from widespread participation of physical scientists.

  10. Julius Edgar Lilienfeld Prize Lecture: Mapping the Universe: Physics Writ Large

    NASA Astrophysics Data System (ADS)

    Geller, Margaret

    2013-03-01

    The age of mapping the universe began in earnest in the late twentieth century. I will describe the enormous strides we have made in mapping the galaxy distribution and in understanding its nature and history. I will show how techniques for measuring the (primarily dark) matter distribuion in massive systems of galaxies are an astrophysical route to tests of fundamental physics.

  11. 17 CFR 274.402 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... its Password. Editorial Note: For Federal Register citations affecting Form ID, see the List of CFR... SECURITIES AND EXCHANGE COMMISSION (CONTINUED) FORMS PRESCRIBED UNDER THE INVESTMENT COMPANY ACT OF...

  12. Julius Edgar Lilienfeld Prize: The RG and me: love at first bite

    NASA Astrophysics Data System (ADS)

    Shankar, Ramamurti

    2009-03-01

    From the time I took the first bite out of that cut-off, I have been in love with the Renormalization Group, returning to it over and over again to apply it to classical and quantum problems, in clean as well as disordered systems. This talk, aimed at non-experts, introduces and illustrates the RG ideas, with a favorite application, understanding Landau's Fermi liquid.

  13. 17 CFR 274.402 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... its Password. Editorial Note: For Federal Register citations affecting Form ID, see the List of CFR... 17 Commodity and Securities Exchanges 3 2011-04-01 2011-04-01 false Form ID, uniform application... Forms for Electronic Filing § 274.402 Form ID, uniform application for access codes to file on...

  14. 17 CFR 259.602 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at... 17 Commodity and Securities Exchanges 3 2011-04-01 2011-04-01 false Form ID, uniform application... OF 1935 Forms for Electronic Filing § 259.602 Form ID, uniform application for access codes to...

  15. 17 CFR 274.402 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ...) Password Modification Authorization Code (PMAC)—allows a filer, filing agent or training agent to change its Password. Editorial Note: For Federal Register citations affecting Form ID, see the List of CFR... filer to ensure that the filing has been authorized by the filer. (c) Password (PW)—allows a...

  16. 17 CFR 274.402 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ...) Password Modification Authorization Code (PMAC)—allows a filer, filing agent or training agent to change its Password. Editorial Note: For Federal Register citations affecting Form ID, see the List of CFR... filer to ensure that the filing has been authorized by the filer. (c) Password (PW)—allows a...

  17. 17 CFR 274.402 - Form ID, uniform application for access codes to file on EDGAR.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ...) Password Modification Authorization Code (PMAC)—allows a filer, filing agent or training agent to change its Password. Editorial Note: For Federal Register citations affecting Form ID, see the List of CFR... filer to ensure that the filing has been authorized by the filer. (c) Password (PW)—allows a...

  18. Education and Globalization: An Environmental Perspective. An Interview with Edgar Gonzalez-Gaudiano.

    ERIC Educational Resources Information Center

    McLaren, Peter L.

    1995-01-01

    Gonzalez-Gaudiano abandoned a professorship at the National Autonomous University of Mexico to tackle environmental education and indigenous education. In this interview, he explains the politics of overpopulation; the unsustainable nature of capitalism; and the interrelationships between environmental justice and human security and among poverty,…

  19. 77 FR 29696 - James Edgar Lundeen, Sr., M.D.; Dismissal of Proceeding

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-05-18

    ... expires and there is nothing to revoke.'' Ronald J. Riegel, 63 FR 67132, 67133 (1998); see also Thomas E. Mitchell, 76 FR 20032, 20033 (2011). Moreover, in the absence of an application (whether timely filed or... (APA), an agency ``may take official notice of facts at any stage in a proceeding-even in the...

  20. Overpopulation Produces.... What Are We Going To Do About It? [Project ECOLogy ELE Pak, Edgar Pak

    ERIC Educational Resources Information Center

    Edgar, Linda

    This unit is one of a series produced for environmental education programs by the Highline Public Schools. These materials are designed for use with junior high school students studying the concept of population, population trends, and problems created by changes in populations. The seven concepts in the unit take about three weeks to complete.…

  1. Data mining of text as a tool in authorship attribution

    NASA Astrophysics Data System (ADS)

    Visa, Ari J. E.; Toivonen, Jarmo; Autio, Sami; Maekinen, Jarno; Back, Barbro; Vanharanta, Hannu

    2001-03-01

    It is common that text documents are characterized and classified by keywords that the authors use to give them. Visa et al. have developed a new methodology based on prototype matching. The prototype is an interesting document or a part of an extracted, interesting text. This prototype is matched with the document database of the monitored document flow. The new methodology is capable of extracting the meaning of the document in a certain degree. Our claim is that the new methodology is also capable of authenticating the authorship. To verify this claim two tests were designed. The test hypothesis was that the words and the word order in the sentences could authenticate the author. In the first test three authors were selected. The selected authors were William Shakespeare, Edgar Allan Poe, and George Bernard Shaw. Three texts from each author were examined. Every text was one by one used as a prototype. The two nearest matches with the prototype were noted. The second test uses the Reuters-21578 financial news database. A group of 25 short financial news reports from five different authors are examined. Our new methodology and the interesting results from the two tests are reported in this paper. In the first test, for Shakespeare and for Poe all cases were successful. For Shaw one text was confused with Poe. In the second test the Reuters-21578 financial news were identified by the author relatively well. The resolution is that our text mining methodology seems to be capable of authorship attribution.

  2. Performance of Nickel-Cadmium Batteries on the POES Series of Weather Satellites

    NASA Technical Reports Server (NTRS)

    Rao, Gopalakrishna M.; Chetty, P. R. K.; Boyce, Ron; Smalls, Vanessa; Spitzer, Tom

    1998-01-01

    The advanced Television Infrared Observation satellite program is a cooperative effort between the National Aeronautics and Space Administration (NASA), the National Oceanic and Atmospheric Administration (NOAA), the United Kingdom, Canada and France, for providing day and night global environmental and associated data. NASA is responsible for procurement launch, and checkout of these spacecraft before transferring them over to NOAA, who operates the spacecraft to support weather forecasting, severe storm tracking, and 'meteorological research by the National Weather Service. These spacecraft with all weather monitoring instruments imposed challenging requirements for the onboard electrical power subsystem (EPS). This paper provides first a brief overview of the overall power subsystem, followed by a description of batteries. A unique power subsystem design which provides 'tender-loving-care' to these batteries is highlighted. This is followed by the on-orbit maintenance and performance data of the batteries since launch.

  3. The Reduction of Microbial and Chemical Contaminants with Selected POU/POE Systems

    EPA Science Inventory

    Centralized drinking water treatment and distribution alone may not always be the most practical or cost-effective option. Also, some consumers seeking a proactive measure to reduce exposure to pathogens and chemicals not currently monitored or regulated might consider employing...

  4. Information Technology in the Classroom: Pits and Pendulum--A Poe-esian Look at Planning.

    ERIC Educational Resources Information Center

    Moll, Marita

    1997-01-01

    The introduction of information technology into schools is based on untested assumptions that technology will save money and that its use is inherently good. Establishing a responsible plan for introducing technology into the classroom includes setting goals and conducting research related to the hidden agenda of technology. Includes strategies…

  5. Drinking Water Corrosion Control and POU/POE: Where Are the Boundaries?

    EPA Science Inventory

    Protection of public health often has to go beyond regulatory limits, because the health threats do not necessarily arise under the "legal control" of the public water system. Residential and building plumbing can be a very significant contamination source under typical usage co...

  6. A COST EVALUATION OF SMALL SYSTEM COMPLIANCE OPTIONS: POU AND POE TREATMENT UNITS

    EPA Science Inventory

    The challenges facing small drinking water systems were a major focus of the 1996 Amendments to the Safe Drinking Water Act (SDWA). One way Congress sought to help systems meet these challenges was by explicitly allowing systems to install point-of-use (POU) and point-of-entry (P...

  7. Neurosyphilitics and madmen: The French fin-de-siècle fictions of Huysmans, Lermina, and Maupassant.

    PubMed

    Goulet, Andrea

    2013-01-01

    This chapter considers a neurological approach to analyzing the decadent and fantastic fictions of the French fin-de-siècle. It focuses on three texts whose depictions of male nervosism were influenced by Charles Baudelaire's biography of Edgar Allan Poe and by contemporary medical discourses, including those of Jean-Martin Charcot and George Miller Beard: Joris-Karl Huysmans' À Rebours (1884), Jules Lermina's Les Fous (1885), and Guy de Maupassant's Le Horlà (1885-1887). Although these authors were philosophically antipositivist and antimaterialist, they used scientific theories of neurasthenia, neurodegeneration, and visual hallucination to probe the frontiers between body and spirit, the known and the unknowable. PMID:24290477

  8. Julius Edgar Lilienfeld Prize Talk: The Fermi Pasta Ulam (FPU) Problem and The Birth of Nonlinear Science

    NASA Astrophysics Data System (ADS)

    Campbell, David K.

    2010-03-01

    In 1953, Enrico Fermi, John Pasta, and Stan Ulam initiated a series of computer studies aimed at exploring how simple, multi-degree of freedom nonlinear mechanical systems obeying reversible deterministic dynamics evolve in time to an equilibrium state describable by statistical mechanics. Their expectation was that this would occur by mixing behavior among the many linear modes. Their intention was then to study more complex nonlinear systems, with the hope of modeling turbulence computationally. The results of this first study of the so-called Fermi-Pasta-Ulam (FPU) problem, which were published in 1955 and characterized by Fermi as a ``little discovery,'' showed instead of the expected mixing of linear modes a striking series of (near) recurrences of the initial state and no evidence of equipartition. This work heralded the beginning of both computational physics and (modern) nonlinear science. In particular, the work marked the first systematic study of a nonlinear system by digital computers (``experimental mathematics'') and led directly to the discovery of ``solitons,'' as well as to deep insights into deterministic chaos and statistical mechanics. In this talk, I will review the original FPU studies and show how they led to the understanding of two key paradigms of nonlinear science. Specifically, I will show how a continuum approximation to the original discrete system led to the discovery of ``solitions'' whereas a low-mode approximation led to an early example of ``deterministic chaos.'' I will close with a brief indication of how the recurrence phenomenon observed by behavior by FPU can be reconciled with mixing, equipartition, and statistical mechanics.

  9. Community concerns about sex selection: research as a way forward - response to Edgar Dahl's 'The presumption in favour of liberty'.

    PubMed

    McMahon, Catherine A

    2004-03-01

    This commentary argues that notwithstanding the implicit logic underpinning philosophical and moral arguments regarding individual rights to access sex selection for non-medical reasons, community concerns about the psychosocial impact of the technology cannot be dismissed or ignored. It is true, however, that such concerns are often based on unsupported assumptions about the impact of the technology on individuals, families and communities and about the propensity of scientists, unless restrained, to act in ways that are irresponsible or dangerous. The research conducted to date has dispelled many of the myths and assumptions about IVF children and their families. Further careful research is now needed to test the extent to which fears and assumptions regarding 'designer babies' are justified. PMID:15038893

  10. TESTING & EVALUATION OF POINT-OF-USE (POU) AND POINT-OF-ENTRY (POE) TECHNOLOGIES FOR DRINKING WATER TREATMENT

    EPA Science Inventory

    Centralized water treatment and distribution are still the recommended methods for producing safe drinking water. But in reality this approach cannot and will not meet the needs of millions of homes in both the U.S. and around the world, which do not have the option of connectin...

  11. Results of the 2004 DesignShare POE Program: Students and Teachers Tell Us what They Really Think

    ERIC Educational Resources Information Center

    Lackney, Jeffery A.

    2004-01-01

    DesignShare/School Construction News (DS/SCN) Jurists have often critically reflected on their desire to know more about how teachers and students really experience so-called innovative award-winning schools. Through the DesignShare Post-Occupancy Evaluation Program, the intention is to give voice to the individuals whose lives are directly…

  12. Doubles everywhere: literary contributions to the study of the bodily self.

    PubMed

    Dieguez, Sebastian

    2013-01-01

    The topic of the double is a hallmark of romantic, gothic, and fantastic literature. In the guise of the second self, the alter ego or the doppelgänger, fictional doubles have long fascinated critics, clinicians, and scientists. We review classical approaches to the theme and propose a broad clinical and neurocognitive framework from which to examine major instances of the motif in literature. Based on neurological disorders of the bodily self (including unilateral and whole body illusions and duplications), as well as related experimental approaches, we provide examples of literary depictions of bodily fragmentation and splitting; autoscopic hallucinations; the classical doppelgänger, second self, or heautoscopic double; the feeling of a presence; out-of-body experiences; and so-called near-death experiences. Examples include works from Guy de Maupassant, E.T.A. Hoffman, Edgar Allan Poe, Robert Louis Stevenson, Fyodor Dostoevsky, Rudyard Kipling, and others. We discuss these literary cases of doubles from a neurocognitive perspective, and suggest that common mechanisms of the bodily self are involved in the emergence of pathological illusory doubles, literary creations of the double, as well as widespread cultural and religious beliefs about the existence of doubles and the soul. PMID:23485895

  13. 'Yes:--no:--I have been sleeping--and now--now--I am dead': undeath, the body and medicine.

    PubMed

    Stern, Megan

    2008-09-01

    In this paper I propose that, since the mid-eighteenth century medical science has simultaneously generated and disavowed 'undead' bodies, suspended between life and death. Through close analysis of three examples of 'undeath' taken from different moments in medical history, I consider what these bodies can tell us about medicine, its history, cultural meaning, scientific status and its role in shaping ideas of embodiment, identity and death. My first example is Edgar Allan Poe's story 'The facts in the case of M. Valdemar' which imagines the possibility of a man mesmerised at the point of death. I read this story as a response to the rise of professional, scientific medicine in the 1840s. I then look at the recurring issue of brain death in order to consider tensions within twentieth-century medical hegemony. Finally I read the Alder Hey scandal as a reactivation of undead anxiety in response to the emergent culture of medical consumerism at the end of the twentieth century. PMID:18761286

  14. GUIDANCE FOR IMPLEMENTING A POINT-OF-USE (POU) OR POINT-OF-ENTRY (POE) TREATMENT STRATEGY FOR COMPLIANCE WITH SDWA

    EPA Science Inventory

    The challenges facing small drinking water systems were a major focus of the 1996 Amendments to the Safe Drinking Water Act (SDWA). One way Congress sought to help systems meet these challenges was by explicitly allowing systems to install point-of-use (POU) and point-of-entry (P...

  15. Radiological considerations for POE-1 photon shutters, collimators and beam stops of the Biomedical Imaging and Therapy beamline at the Canadian Light Source

    NASA Astrophysics Data System (ADS)

    Asai, Juhachi; Wysokinski, Tomasz W.; Smith, Sheldon; Chapman, Dean

    2008-01-01

    A study of radiation levels due to primary and secondary gas bremsstrahlung is carried out for the BioMedical Imaging and Therapy (BMIT) beamline at the Canadian Light Source (CLS). The BMIT beamline, being built at present, is a major research and diagnostic tool for X-ray imaging and X-ray radiation therapy for animals and humans. For the BMIT beamline to be as flexible as possible, a movable tungsten collimator is designed. This can move vertically and assumes two positions; up and down. The BMIT beamline is, thus, able to perform two modes of operation: one white beam, the other monochromatic. Gas bremsstrahlung produced in the vacuum chamber propagates with synchrotron radiation and may enter the imaging or therapy hutch. In this study, the dose behind the collimator is investigated in each mode by assessing the energy deposition in a water phantom that surrounds the entire copper shutter-tungsten collimator unit. When estimating the dose, particular attention is given to the opening area of the collimator, since this passage leads to the imaging or therapy hutch. Also examined are the doses when a tungsten safety shutter is closed.

  16. Facilitating Preschoolers' Scientific Knowledge Construction via Computer Games Regarding Light and Shadow: The Effect of the Prediction-Observation-Explanation (POE) Strategy

    ERIC Educational Resources Information Center

    Hsu, Chung-Yuan; Tsai, Chin-Chung; Liang, Jyh-Chong

    2011-01-01

    Educational researchers have suggested that computer games have a profound influence on students' motivation, knowledge construction, and learning performance, but little empirical research has targeted preschoolers. Thus, the purpose of the present study was to investigate the effects of implementing a computer game that integrates the…

  17. Influence of Professional Learning Community (PLC) on Learning a Constructivist Teaching Approach (POE): A Case of Secondary Science Teachers in Bangladesh

    ERIC Educational Resources Information Center

    Rahman, S. M. Hafizur

    2012-01-01

    No major change has occurred up until now with regard to the teaching-learning methods of science used in Bangladesh. Teachers, in most cases, tend to teach the same things in the same ways they were taught when they were students. This study will, therefore, investigate how science teachers' learning in a professional learning community (PLC)…

  18. 17 CFR 232.11 - Definition of terms used in part 232.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... file content or the operation of any computer, computer file, computer database, computer system, computer network or software, and as otherwise set forth in the EDGAR Filer Manual. EDGAR. The term EDGAR... electronic computer instructions inserted into a computer, operating system, or program that...

  19. ARSENIC REMOVAL TREATMENT OPTIONS FOR SINGLE FAMILY HOMES

    EPA Science Inventory

    The presentation provides information on POU and POE arsenic removal drinking water treatment systems. The presentation provides information on the arsenic rule, arsenic chemistry and arsenic treatment. The arsenic treatment options proposed for POU and POE treatment consist prim...

  20. Investigation at Mach Number 1.88 of Half of a Conical-spike Diffuser Mounted as a Side Inlet with Boundary-layer Control / H. Fred Goelzer and Edgar M. Cortright, Jr

    NASA Technical Reports Server (NTRS)

    Goelzer, H Fred; Cortright, Edgar M , Jr

    1951-01-01

    Experimental investigation was conducted at Mach number 1.88 to determine performance characteristics of half a 50 degree-conical-spike inlet mounted on a flat plate. Initial boundary layer was removed up-stream of inlet by a ram-type scoop of variable height. Initial boundary-layer thickness was also varied. With complete removal of initial boundary layer, total-pressure recovery of approximately 70 percent. Several alternative boundary-layer-removal systems were investigated which decreased the adverse effect of operating the ram scoop sub-critically.

  1. Post Occupancy Evaluation of Educational Buildings and Equipment.

    ERIC Educational Resources Information Center

    Watson, Chris

    1997-01-01

    Details the post occupancy evaluation (POE) process for public buildings. POEs are used to improve design and optimize educational building and equipment use. The evaluation participants, the method used, the results and recommendations, model schools, and classroom alterations using POE are described. (9 references.) (RE)

  2. Atypical and ischemic features of embolized meningiomas.

    PubMed

    Matsuda, Ken; Takeuchi, Hiroaki; Arai, Yoshikazu; Kitai, Ryuhei; Hosoda, Tetsuya; Tsunetoshi, Kenzo; Arishima, Hidetaka; Sato, Kazufumi; Kikuta, Ken-Ichiro

    2012-01-01

    Preoperative embolization (POE) of meningiomas is widely used to facilitate surgical removal and to reduce intraoperative blood loss. The resulting necrosis and enhanced proliferation have been reported to affect subsequent histologic grading. However, there was little concern about ischemic features, for example small cells resembling atypical meningiomas, cytoplasmic vacuoles resembling clear cell meningioma, intercellular discohesion resembling rhabdoid meningioma, and perivascular cuffs resembling papillary meningioma. Therefore, the extent of these ischemic features was scored and Ki-67 staining indices were investigated in a POE group composed of 29 specimens of meningiomas treated with POE and compared with equivalent results for a non-POE group composed of 29 meningiomas that were not treated with POE. Small cells with high N/C ratios, cytoplasmic vacuoles, intercellular discohesion, and perivascular cuffs were significantly increased in the POE group (versus the non-POE group, p < 0.05). There were no significant differences of the Ki-67 index between the POE group (2.2%) and the non-POE group (1.9%) (p = 0.49). Our results suggest that small cell change resulting in necrosis may be followed by POE, and that clear cell-like, rhabdoid cell-like, or pseudopapillary pattern identified in meningiomas may also be induced by POE. Therefore, histological findings and determination of grading should be evaluated cautiously in cases of embolized meningiomas. PMID:21789536

  3. Growth inhibition of Mycobacterium tuberculosis by polyoxyethylene stearate present in the BACTEC pyrazinamide susceptibility test.

    PubMed

    Miller, M A; Thibert, L; Desjardins, F; Siddiqi, S H; Dascal, A

    1996-01-01

    We have previously found that approximately 3.5% of 428 clinical isolates of Mycobacterium tuberculosis yield uninterpretable results in the BACTEC pyrazinamide (PZA) susceptibility test system, because of inadequate growth. We tested the hypothesis that polyoxyethylene stearate (POES), the ingredient of the reconstituting fluid for the test, was the cause of this growth inhibition. A total of 15 isolates known for their previously uninterpretable results and 100 randomly chosen clinical isolates were tested in parallel both with and without POES. Repeat testing of the isolates with previously uninterpretable results yielded results in the presence of POES in only seven (47%). In the absence of POES, all gave interpretable results but one such result showed false resistance. For the other 100 clinical isolates, interpretable results were obtained with and without POES, but growth was enhanced in the absence of POES, especially in the PZA-susceptible strains. This was evidenced by a decreased time to attain a growth index of 200 in the control vial (4.9 days without POES versus 5.8 days with POES; P < 0.001) and a higher mean growth index ratio on the day of interpretation of the test (7.4% without POES versus 2.2% with POES; P < 0.001). However, the enhanced growth without POES led to 20 susceptible strains being misinterpreted as either resistant or borderline. We suggest that isolates of M. tuberculosis which yield uninterpretable results in the BACTEC PZA test system should be retested both with and without POES. If interpretable results indicating PZA resistance are obtained only in the absence of POES, the result should be confirmed by a pyrazinamidase assay or by the conventional proportion method. Routine omission of POES from the BACTEC test for all clinical strains is discouraged because of the unacceptably high false-resistance rates. PMID:8748279

  4. A Unified Framework Integrating Parent-of-Origin Effects for Association Study

    PubMed Central

    Xiao, Feifei; Ma, Jianzhong; Amos, Christopher I.

    2013-01-01

    Genetic imprinting is the most well-known cause for parent-of-origin effect (POE) whereby a gene is differentially expressed depending on the parental origin of the same alleles. Genetic imprinting is related to several human disorders, including diabetes, breast cancer, alcoholism, and obesity. This phenomenon has been shown to be important for normal embryonic development in mammals. Traditional association approaches ignore this important genetic phenomenon. In this study, we generalize the natural and orthogonal interactions (NOIA) framework to allow for estimation of both main allelic effects and POEs. We develop a statistical (Stat-POE) model that has the orthogonal estimates of parameters including the POEs. We conducted simulation studies for both quantitative and qualitative traits to evaluate the performance of the statistical and functional models with different levels of POEs. Our results showed that the newly proposed Stat-POE model, which ensures orthogonality of variance components if Hardy-Weinberg Equilibrium (HWE) or equal minor and major allele frequencies is satisfied, had greater power for detecting the main allelic additive effect than a Func-POE model, which codes according to allelic substitutions, for both quantitative and qualitative traits. The power for detecting the POE was the same for the Stat-POE and Func-POE models under HWE for quantitative traits. PMID:23991061

  5. [Parametric esophageal scintigrams of transit studies using the multiple swallow technique: a comparison of a new method with a standard esophageal transit test].

    PubMed

    Tatsch, K; Schröttle, W; Kirsch, C M

    1990-11-01

    Established single-swallow techniques for the assessment of oesophageal motility disorders encompass a high potential of falsely positive/negative findings caused by the considerable variability between single swallows. In this study, therefore, a new form of parametric oesophageal scintigraphy (POeS) is introduced which allows simultaneous assessment of 15-20 consecutive swallows. To assess the value of this combined qualitative/semiquantitative method 166 patients with various oesophageal motility disorders were tested in an intraindividual comparison with a standard oesophageal transit test (OeTT). In contrast to OeTT, POeS yields specific image patterns which permit a differentiation between various forms of peristaltic disorder. By the use of POeS the bolus behaviour during its oesophageal passage is well characterized, the main location of the functional disorder can be identified and a correct classification of the severity can be achieved as well. In contrast to OeTT, diagnosis in POeS is based on a series of consecutive swallows. Misinterpretation due to possible variations between single swallows is often observed in OeTT, providing up to 30% false-positive and 52% false-negative findings which are almost eliminated using POeS. PMID:2277771

  6. A unified framework integrating parent-of-origin effects for association study.

    PubMed

    Xiao, Feifei; Ma, Jianzhong; Amos, Christopher I

    2013-01-01

    Genetic imprinting is the most well-known cause for parent-of-origin effect (POE) whereby a gene is differentially expressed depending on the parental origin of the same alleles. Genetic imprinting is related to several human disorders, including diabetes, breast cancer, alcoholism, and obesity. This phenomenon has been shown to be important for normal embryonic development in mammals. Traditional association approaches ignore this important genetic phenomenon. In this study, we generalize the natural and orthogonal interactions (NOIA) framework to allow for estimation of both main allelic effects and POEs. We develop a statistical (Stat-POE) model that has the orthogonal estimates of parameters including the POEs. We conducted simulation studies for both quantitative and qualitative traits to evaluate the performance of the statistical and functional models with different levels of POEs. Our results showed that the newly proposed Stat-POE model, which ensures orthogonality of variance components if Hardy-Weinberg Equilibrium (HWE) or equal minor and major allele frequencies is satisfied, had greater power for detecting the main allelic additive effect than a Func-POE model, which codes according to allelic substitutions, for both quantitative and qualitative traits. The power for detecting the POE was the same for the Stat-POE and Func-POE models under HWE for quantitative traits. PMID:23991061

  7. 1H-NMR studies on the ternary complexes of rare-earth ions with thenoyltrifluoroacetone and polyethers in dichloromethane.

    PubMed

    Gagabe, Gene Frederick; Satoh, Keiichi; Sawada, Kiyoshi

    2009-07-28

    The structures of the ternary complexes of lanthanoid and yttrium (Ln3+)-thenoyltrifluoroacetonates (tta-) with polyether (POE) in organic phase were investigated by 1H-NMR spectroscopy, where the POEs are crown ethers (18-crown-6 and benzo-18-crown-6) and monodispersed linear polyethers (DEOn: HO-(CH2CH2O-)nC12H25, where n=4, 6, 8). The changes in chemical shift of methylene protons of POE by addition of the adduct complex [Ln(tta)3(POE)] were measured at various Ln3+-to-POE concentration ratios. Chemical shift changes for each proton of POE by the formation of [Ln(tta)3(POE)] were determined. Results revealed that oxygen atoms at the hydroxyl terminal of linear POE have higher tendency to coordinate to the metal ion in [Ln(tta)3] complex. Three (for La3+) or two (for Lu3+ or Y3+) oxygen atoms of the POE coordinate to the metal ion without substitution of tta- ligands to satisfy the metal ion's coordination number of nine or eight, respectively. In the case of 18-membered crown ether complexes, La3+ is incorporated inside the cavity of the POE, displacing one of the three tta- from the inner coordination sphere while the other two remain coordinated to the metal ion. On the other hand, for the adduct of Y3+ complex with crown ether, all three tta- ligands are directly coordinating to the metal ion. PMID:19587993

  8. Identification of halogen atoms in scanning tunneling microscopy images of substituted phenyl octadecyl ethers.

    PubMed

    Lee, H S; Iyengar, S; Musselman, I H

    2001-11-15

    A homologous series of para-substituted phenyl octadecyl ethers (X-POEs, where X = H, Cl, Br, I) was prepared using the Williamson ether synthesis and characterized by 1H NMR and GC/MS. Scanning tunneling microscopy images acquired from these ethers revealed a bias-dependent contrast corresponding to electron density contours of various X-POE molecular orbitals. Images reflecting the electron density contour of the highest occupied molecular orbital exhibited four bright spots--one for the halogen atom, two representing the pair of lobes of the phenyl ring, and one for the oxygen/alpha-carbon atoms. For each X-POE, the intensities (Zmax) of the spots for the halogen atom and the lobe of the phenyl ring closest to the halogen were measured and their ratio was calculated (Cl-POE 0.49 +/- 0.06; Br-POE 0.59 +/- 0.06; I-POE 0.75 +/- 0.07). Analysis of variance at the 95% confidence level revealed that the intensity ratios were consistent from molecule to molecule, image to image, and day to day. According to the Student t-test, the average Zmax ratios for Cl-POE, Br-POE, and I-POE are different at the 95% confidence level. In addition, they follow a trend that corresponds favorably with that of the atomic radii of the halogens. The probability of classifying a single X-POE molecule as Cl-POE, Br-POE, or I-POE is variable and depends on the magnitude of the Zmax ratio. PMID:11816584

  9. 78 FR 34701 - Illinois Disaster Number IL-00041

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-06-10

    ...: Primary Counties: (Physical Damage and Economic Injury Loans): Brown, Calhoun, Clark, Douglas, Henry, Pike..., Coles, Cumberland, Edgar, Greene, Jersey, Morgan, Moultrie, Piatt, Scott, Stephenson, Vermilion....

  10. 34 CFR 642.5 - Definitions that apply to the Training Program.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... part are defined in 34 CFR part 77: Applicant Application Award Budget EDGAR Equipment Facilities.... Leadership personnel means project directors, coordinators, and other individuals involved with...

  11. 34 CFR 606.7 - What definitions apply?

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... apply? (a) Definitions in EDGAR. The terms used in this part are defined in 34 CFR 77.1: EDGAR Fiscal... provisions contained in 34 CFR part 603. The Secretary periodically publishes a list of those nationally... 34 Education 3 2014-07-01 2014-07-01 false What definitions apply? 606.7 Section 606.7...

  12. 17 CFR 232.11 - Definition of terms used in part 232.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... electronic computer instructions inserted into a computer, operating system, or program that replicates... file content or the operation of any computer, computer file, computer database, computer system, computer network or software, and as otherwise set forth in the EDGAR Filer Manual. EDGAR. The term...

  13. 17 CFR 232.11 - Definition of terms used in part 232.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... electronic computer instructions inserted into a computer, operating system, or program that replicates... file content or the operation of any computer, computer file, computer database, computer system, computer network or software, and as otherwise set forth in the EDGAR Filer Manual. EDGAR. The term...

  14. 17 CFR 232.11 - Definition of terms used in part 232.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... electronic computer instructions inserted into a computer, operating system, or program that replicates... file content or the operation of any computer, computer file, computer database, computer system, computer network or software, and as otherwise set forth in the EDGAR Filer Manual. EDGAR. The term...

  15. 34 CFR 608.4 - What definitions apply?

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... What definitions apply? (a) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR 77.1: Applicant Application Award Budget EDGAR Equipment Fiscal year Grant period Private... 34 Education 3 2011-07-01 2011-07-01 false What definitions apply? 608.4 Section 608.4...

  16. Institute of Family Studies Newsletter; No. 10, August 1984.

    ERIC Educational Resources Information Center

    Michie, Meredith, Ed.

    1984-01-01

    This newsletter's first article is the director's report "Double Standards in Australian Family Policy" by Don Edgar. It asks for government support for families in the form of programs and funding, not just rhetoric. The next article, "IFS Research", also by Don Edgar, details the past, current and future research of the Institute of Family…

  17. 17 CFR 232.501 - Modular submissions and segmented filings.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... COMMISSION REGULATION S-T-GENERAL RULES AND REGULATIONS FOR ELECTRONIC FILINGS Edgar Functions § 232.501 Modular submissions and segmented filings. An electronic filer may use the following procedures to submit information to the EDGAR system for subsequent inclusion in an electronic filing: (a) Modular submissions....

  18. 34 CFR 606.7 - What definitions apply?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... apply? (a) Definitions in EDGAR. The terms used in this part are defined in 34 CFR 77.1: EDGAR Fiscal... provisions contained in 34 CFR part 603. The Secretary periodically publishes a list of those nationally..., operation and maintenance expenditures for the physical plant, and any mandatory transfers which...

  19. 17 CFR 232.11 - Definition of terms used in part 232.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... electronic computer instructions inserted into a computer, operating system, or program that replicates... file content or the operation of any computer, computer file, computer database, computer system, computer network or software, and as otherwise set forth in the EDGAR Filer Manual. EDGAR. The term...

  20. 34 CFR 608.4 - What definitions apply?

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... What definitions apply? (a) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR 77.1: Applicant Application Award Budget EDGAR Equipment Fiscal year Grant period Private... 34 Education 3 2014-07-01 2014-07-01 false What definitions apply? 608.4 Section 608.4...

  1. 34 CFR 608.4 - What definitions apply?

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... What definitions apply? (a) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR 77.1: Applicant Application Award Budget EDGAR Equipment Fiscal year Grant period Private... 34 Education 3 2013-07-01 2013-07-01 false What definitions apply? 608.4 Section 608.4...

  2. 34 CFR 606.7 - What definitions apply?

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... apply? (a) Definitions in EDGAR. The terms used in this part are defined in 34 CFR 77.1: EDGAR Fiscal... provisions contained in 34 CFR part 603. The Secretary periodically publishes a list of those nationally... 34 Education 3 2012-07-01 2012-07-01 false What definitions apply? 606.7 Section 606.7...

  3. 34 CFR 606.7 - What definitions apply?

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... apply? (a) Definitions in EDGAR. The terms used in this part are defined in 34 CFR 77.1: EDGAR Fiscal... provisions contained in 34 CFR part 603. The Secretary periodically publishes a list of those nationally... 34 Education 3 2011-07-01 2011-07-01 false What definitions apply? 606.7 Section 606.7...

  4. 34 CFR 606.7 - What definitions apply?

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... apply? (a) Definitions in EDGAR. The terms used in this part are defined in 34 CFR 77.1: EDGAR Fiscal... provisions contained in 34 CFR part 603. The Secretary periodically publishes a list of those nationally... 34 Education 3 2013-07-01 2013-07-01 false What definitions apply? 606.7 Section 606.7...

  5. 34 CFR 654.5 - What definitions apply?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ...) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR 77.1: EDGAR Fiscal year... that student's program. HEA means the Higher Education Act of 1965, as amended. High school graduate means an individual who has— (i) A high school diploma; (ii) A General Education Development...

  6. 34 CFR 654.5 - What definitions apply?

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ...) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR 77.1: EDGAR Fiscal year... that student's program. HEA means the Higher Education Act of 1965, as amended. High school graduate means an individual who has— (i) A high school diploma; (ii) A General Education Development...

  7. 34 CFR 654.5 - What definitions apply?

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ...) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR 77.1: EDGAR Fiscal year... that student's program. HEA means the Higher Education Act of 1965, as amended. High school graduate means an individual who has— (i) A high school diploma; (ii) A General Education Development...

  8. 34 CFR 654.5 - What definitions apply?

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ...) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR 77.1: EDGAR Fiscal year... that student's program. HEA means the Higher Education Act of 1965, as amended. High school graduate means an individual who has— (i) A high school diploma; (ii) A General Education Development...

  9. 34 CFR 654.5 - What definitions apply?

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ...) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR 77.1: EDGAR Fiscal year... that student's program. HEA means the Higher Education Act of 1965, as amended. High school graduate means an individual who has— (i) A high school diploma; (ii) A General Education Development...

  10. Enhancement of Poly(orthoester) Microspheres for DNA Vaccine Delivery by Blending with Poly(ethylenimine)

    PubMed Central

    Nguyen, David N.; Raghavan, Shyam S.; Tashima, Lauren M.; Lin, Elizabeth C.; Fredette, Stephen J.; Langer, Robert S.; Wang, Chun

    2008-01-01

    Poly(ortho ester) (POE) microspheres have been previously shown to possess certain advantages for the in vivo delivery of DNA vaccines. In particular, timing of DNA release from POE microspheres in response to acidic phagosomal pH was shown to be an important factor in determining immunogenicity, which was hypothesized to be linked to the natural progression of antigen presenting cell uptake, transfection, maturation, and antigen presentation. Here we report in vitro characterization of the enhanced the efficacy of POE microspheres by blending poly(ethylenimine) (PEI), a well-characterized cationic transfection agent, into the POE matrix. Blending of a tiny amount of PEI (approximately 0.04 wt%) with POE caused large alterations in POE microsphere properties. PEI provided greater control over the rate of pH-triggered DNA release by doubling the total release time of plasmid DNA and enhanced gene transfection efficiency of the microspheres up to 50-fold without any significant cytotoxicity. Confocal microscopy with labeled PEI and DNA plasmids revealed that PEI caused a surface-localizing distribution of DNA and PEI within the POE microsphere as well as focal co-localization of PEI with DNA. We provide evidence that upon degradation, the microspheres of POE-PEI blends released electrostatic complexes of DNA and PEI, which are responsible for the enhanced gene transfection. Furthermore, blending PEI into the POE microsphere induced 50% to 60% greater phenotypic maturation and activation of bone marrow-derived dendritic cells in vitro, judged by up-regulation of co-stimulatory markers on the cell surface. Physically blending PEI with POE is a simple approach for modulating the properties of biodegradable microspheres in terms of gene transfection efficiency and DNA release kinetics. Combined with the ability to induce maturation of antigen-presenting cells, POE-PEI blended microspheres may be excellent carriers for DNA vaccines. PMID:18400294

  11. The role of mean inspiratory effort on daytime sleepiness.

    PubMed

    Pelin, Z; Karadeniz, D; Oztürk, L; Gözükirmizi, E; Kaynak, H

    2003-04-01

    This study has investigated the role of average maximum inspiratory effort in excessive daytime sleepiness in patients with obstructive sleep apnoea syndrome (OSAS) and upper airway resistance syndrome (UARS). Fifteen patients diagnosed with UARS and 32 patients with OSAS, with >5.5 h total sleep time (TST) during 8 h of nocturnal polygraphic recordings, were included in the study. Demographical data, polysomnographical data and data about daytime sleepiness, including Epworth sleepiness scale (ESS) and multiple sleep latency test (MSLT), were evaluated. In order to compute the average maximum inspiratory effort from oesophageal pressure (Poes) measurements, maximum Poes was obtained from 20 representative obstructive respiratory events (obstructive apnoeas, hypopnoeas or flow limitations) for each sleep stage in both supine and side positions. From Poes measurements during sleep, the increase in Poes (deltaPoes) during respiratory events was also calculated. The average maximum Poes, deltaPoes, respiratory disturbance index (RDI) and arousal index were significantly correlated with ESS in OSAS patients. In patients with UARS, the only significant correlation was obtained between average maximum Poes and ESS. The MSLT score did not show any significant correlation with arousal index, number of stage variations, RDI, average Poes, deltaPoes, minimum oxygen saturation (Sa,O2) and percentage of TST with an Sa,O2 <90% in both UARS and OSAS patients. The results of multiple regression analysis showed that average maximum Poes correlates best with the variance in ESS for OSAS patients. In conclusion, the data from this study indicate the possible important role of average inspiratory effort in determining subjective sleepiness in both obstructive sleep apnoea syndrome and upper airway resistance syndrome patients. PMID:12762358

  12. Point-of-entry treatment of petroleum contaminated water supplies

    SciTech Connect

    Malley, J.P. Jr.; Eliason, P.A.; Wagler, J.L.

    1993-03-01

    Contamination of individual wells in rural area from leaking petroleum storage tanks poses unique problems for regulatory agencies utilities, and potentially responsible parties. A potential solution is the use of point-of-entry (POE) treatment techniques. Results indicate POE systems using aeration followed by granular activated carbon (GAC) are a viable, cost effective, short-term solution while ground water remediation is performed or an alternate drinking water supply is secured. Selection and design of POE systems should consider variations in water usage and contaminant concentrations. Iron and manganese did not affect POE system performance at the ten sites studied. However, iron precipitation was observed and may pose problems in some POE applications. Increased concentrations of nonpurgeable dissolved organic carbon consisting primarily of methy-t-butyl ether (MTBE) and hydrophilic petroleum hydrocarbons were found in the raw waters but did not affect volatile organic chemical (VOC) removals by aeration of GAC. Microbial activity as measured by heterotrophie plate count significantly increased through four of the ten POE systems studied. Reliability of the POE systems will best be achieved by specifying top quality system components, educating POE users, and providing routine maintenance and VOC monitoring. 20 refs., 9 figs., 4 tabs.

  13. Student and Teacher Perceptions of the Use of Multimedia Supported Predict-Observe-Explain Tasks To Probe Understanding.

    ERIC Educational Resources Information Center

    Kearney, Matthew; Treagust, David F.; Yeo, Shelley; Zadnik, Marjan G.

    2001-01-01

    Discusses student and teacher perceptions of a new development in the use of the predict-observe-explain (POE) strategy. This development involves the incorporation of POE tasks into a multimedia computer program that uses real-life, digital video clips of difficult, expensive, time consuming, or dangerous scenarios as stimuli for these tasks.…

  14. PEOR--Engaging Students in Demonstrations

    ERIC Educational Resources Information Center

    Bonello, Charles; Scaife, Jon

    2009-01-01

    Demonstrations are a core part of science teaching. In 1980 a three-part assessment method using demonstrating was proposed. Known as DOE this consisted of demonstration, observation and explanation. DOE quickly evolved into POE: predict, observe, explain. In the light of experiences with POE and insights from constructivist theory we set out in…

  15. Seasonal variations in N2O emissions from central California

    NASA Astrophysics Data System (ADS)

    Jeong, Seongeun; Zhao, Chuanfeng; Andrews, Arlyn E.; Dlugokencky, Edward J.; Sweeney, Colm; Bianco, Laura; Wilczak, James M.; Fischer, Marc L.

    2012-08-01

    We estimate nitrous oxide (N2O) emissions from Central California for the period of December 2007 through November 2009 by comparing N2O mixing ratios measured at a tall tower (Walnut Grove, WGC) with transport model predictions based on two global a priori N2O emission models (EDGAR32 and EDGAR42). Atmospheric particle trajectories and surface footprints are computed using the Weather Research and Forecasting (WRF) and Stochastic Time-Inverted Lagrangian Transport (STILT) models. Regression analyses show that the slopes of predicted on measured N2O from both emission models are low, suggesting that actual N2O emissions are significantly higher than the EDGAR inventories for all seasons. Bayesian inverse analyses of regional N2O emissions show that posterior annual N2O emissions are larger than both EDGAR inventories by factors of 2.0 ± 0.4 (EDGAR32) and 2.1 ± 0.4 (EDGAR42) with seasonal variation ranging from 1.6 ± 0.3 to 2.5 ± 0.4 for an influence region of Central California within approximately 150 km of the tower. These results suggest that if the spatial distribution of N2O emissions in California follows the EDGAR emission models, then actual emissions are 2.7 ± 0.5 times greater than the current California emission inventory, and total N2O emissions account for 8.1 ± 1.4% of total greenhouse gas emissions from California.

  16. Traffic-related air pollution in the community of San Ysidro, CA, in relation to northbound vehicle wait times at the US-Mexico border Port of Entry

    NASA Astrophysics Data System (ADS)

    Quintana, Penelope J. E.; Dumbauld, Jill J.; Garnica, Lynelle; Chowdhury, M. Zohir; Velascosoltero, José; Mota-Raigoza, Arturo; Flores, David; Rodríguez, Edgar; Panagon, Nicolas; Gamble, Jamison; Irby, Travis; Tran, Cuong; Elder, John; Galaviz, Vanessa E.; Hoffman, Lisa; Zavala, Miguel; Molina, Luisa T.

    2014-05-01

    The San Diego/Tijuana US-Mexico border crossing at the San Ysidro Port of Entry (POE) is the world's busiest international land border crossing (GSA, 2013). San Ysidro, California, is the US community immediately adjacent to the border crossing. More than 90% of San Ysidro residents are Hispanic, and the average household income is less than 60% of the San Diego regional average. This study investigated the San Ysidro POE as a source of traffic-related air pollutants in San Ysidro, especially in relation to wind direction and northbound vehicle wait times. The pollutants ultrafine particulate matter (UFP), black carbon (BC), and particulate matter <2.5 μm in diameter (PM2.5) were periodically sampled through the course of 2010 at four rooftop locations: one commercial establishment near the POE, two elementary schools in San Ysidro, and a coastal estuary reference site. Weather data from two nearby sites and northbound border wait times were also collected. Results indicate consistently higher daytime BC and UFP concentrations at the measurement sites near the POE. Pollution concentrations were higher during low wind speeds or when wind was blowing from the POE towards San Ysidro. In February, March and November measurements, black carbon pollution appeared to be significantly positively associated with the POE northbound wait times when the wind direction was blowing from the POE towards San Ysidro or during low wind speeds, but not when the wind direction was from the west/northwest towards the POE. This pilot study is the first to investigate the potential effect of the POE, especially the long northbound traffic delays, on the nearby community of San Ysidro. Disparities in traffic exposures are an environmental justice issue and this should be taken into account during planning and operation of POEs.

  17. The non-integer operation associated to random variation sets of the self-similar set

    NASA Astrophysics Data System (ADS)

    Ren, Fu-Yao; Liang, Jin-Rong

    2000-10-01

    When memory sets are random variation sets of the self-similar set and the total number of remaining states in each stage of the division of this set is normalized to unity, the corresponding flux and fractional integral are “robust” and stable under some conditions. This answers an open problem proposed by Alian Le Mehaute et al. in their book entitled Irreversibilitê Temporel et Geometrie Fractale.

  18. Effect of gamma irradiation on ethylene-octene copolymers

    NASA Astrophysics Data System (ADS)

    Li, Jiuqiang; Peng, Jing; Qiao, Jinliang; Jin, Dongbin; Wei, Genshuan

    2002-03-01

    Two ethylene-octene copolymers (POE) were irradiated with 60Co gamma radiation and influence of irradiation atmosphere, absorbed dose and heat treatment of samples on the crosslinking were studied. Thermal properties and crystalline morphology of non-irradiated and irradiated POE were determined by using differential scanning calorimetry (DSC) and wide-angle X-ray diffraction (WAXS), respectively. The Charlesby-Pinner equation was used to describe the relationship between absorbed dose and sol fraction. The gel fraction of irradiated POE was lower and decreased with the increase of octene content when irradiated in oxygen, compared to irradiation in nitrogen atmosphere. The gel fraction increased significantly with the increasing of absorbed dose for the two copolymers. Heat treatment of samples prohibited the crosslinking of irradiated POE. The DSC results indicated that a subtle change of thermal properties of POE was observed before and after gamma irradiation at low dose. No change was found from the WAXS spectra of non-irradiated and irradiated POE. For heat-treating samples, the Charlesby-Pinner equation can not fit perfectly with the relationship between the sol fraction and absorbed dose, but it fits well with the crosslinking reaction of POE pellets.

  19. Psychosis of epilepsy: a multifaceted neuropsychiatric disorder.

    PubMed

    Kanner, Andres M; Rivas-Grajales, Ana Maria

    2016-06-01

    Psychosis of epilepsy (POE) is a term applied to a group of psychotic disorders with a distinct phenomenology in which potential etiopathogenic mechanisms are believed to be closely related to a seizure disorder. POE can present as interictal psychotic episodes, which may often differ semiologically from primary schizophrenic disorder. They may present as ictal or postictal psychotic episodes and may be the expression of an iatrogenic process to pharmacologic and/or surgical interventions.Epilepsy and POE have a complex and bidirectional relation, as not only are patients with epilepsy at greater risk of developing a psychotic disorder, but patients with a primary psychotic disorder are also at greater risk of developing epilepsy. The prevalence of POE is more than 7 times higher than the frequency of primary schizophreniform disorders in the general population. While POE has been associated with focal epilepsy of temporal and frontal lobe origin, its etiology and pathophysiology of POE have yet to be established.The treatment of all forms of POE, with the exception of ictal psychotic episodes, requires the use of antipsychotic drugs, preferably the atypical antipsychotic agents with a very low or negligible potential to lower the seizure threshold (eg, risperidone, apiprazole), starting at a low dose with stepwise increments. PMID:27322691

  20. Remarkably enhanced thermal stability of an irradiation-crosslinked ethylene-octene copolymer by incorporation of a novel organic/inorganic hybrid nano-sensitizer

    NASA Astrophysics Data System (ADS)

    Zhang, Sideng; Sun, Bin; Jiang, Xiaoze; Li, Lili; Meng, Zhouqi; Zhu, Meifang

    2015-01-01

    We report a novel method to improve the anti-thermal-deformation performance of an ethylene-octene copolymer (POE) using vinyl functionalized silica nanoparticles (M-SiO2) as a sensitizer to enhance radiation-induced crosslinking. The M-SiO2 nanoparticles were prepared by coupling commercially available silica nanoparticles with KH570 (γ-methacryloxypropyl-trimethoxysilane, γ-MPS) and were blended with POE by melt blending. Then, the mixture was irradiated with γ-rays under a nitrogen atmosphere to form the crosslinked POE/M-SiO2 nanocomposite. The novel nanocomposites were characterized, and the results showed that the gel fraction was proportional to the content of M-SiO2 in the loading range studied in this work. When the content of M-SiO2 was 10 wt%, the gel fraction of POE was increased by approximately 50%, and the softening temperature (T0.5D) increased from 104.4 °C to 224.6 °C after a 120 kGy dose of radiation. The tensile strength of the POE/M-SiO2-10 nanocomposite was better than that of the neat POE copolymer irradiated with an absorption dose up to 100 kGy. In contrast, the elongation of the POE/M-SiO2-10 nanocomposite was lower than that of the neat POE irradiated under the same conditions, due to the increased degree of crosslinking by radiation. These results clearly demonstrated that the use of M-SiO2 as an irradiation sensitizer effectively enhanced the radiation-induced crosslinking of POE.

  1. The Anxiety of Learning. The HBR Interview.

    ERIC Educational Resources Information Center

    Coutu, Diane L.

    2002-01-01

    Psychologist Edgar Schein draws parallels between prisoner-of-war camps and corporate learning organizations. For individuals in both environments, he contends, learning is a coercive process that can be used for both deplorable and acceptable ends. (Author/JOW)

  2. 34 CFR 609.4 - What definitions apply?

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... natural sciences, engineering, mathematics, or other scientific disciplines in which African Americans are... definitions apply? (a) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR...

  3. 34 CFR 609.4 - What definitions apply?

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... natural sciences, engineering, mathematics, or other scientific disciplines in which African Americans are... definitions apply? (a) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR...

  4. Looking west inside of the soaking pit building for the ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Looking west inside of the soaking pit building for the 44" slab mill at a red hot ingot being removed from a pit. - U.S. Steel Edgar Thomson Works, 44" Slab Mill, Along Monongahela River, Braddock, Allegheny County, PA

  5. 34 CFR 662.6 - What regulations apply to this program?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... Regulations (EDGAR) (34 CFR parts 74, 75, 77, 81, 82, 85, and 86). (Authority: 22 U.S.C. 2452(b)(6)) ... POSTSECONDARY EDUCATION, DEPARTMENT OF EDUCATION FULBRIGHT-HAYS DOCTORAL DISSERTATION RESEARCH ABROAD...

  6. 17 CFR 202.3a - Instructions for filing fees.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... Commission's Web site at http://www.sec.gov for the proper format. (2) Instructions for payment of fees by... paragraph (e). A company must update its account and other addresses using the EDGAR Web site. This...

  7. 17 CFR 202.3a - Instructions for filing fees.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... Commission's Web site at http://www.sec.gov for the proper format. (2) Instructions for payment of fees by... paragraph (e). A company must update its account and other addresses using the EDGAR Web site. This...

  8. Looking south at the open hearth steelmaking plant; open hearth ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Looking south at the open hearth steelmaking plant; open hearth stockhouse in foreground and open hearth furnace building in background - U.S. Steel Edgar Thomson Works, Open Hearth Steelmaking Plant, Along Monongahela River, Braddock, Allegheny County, PA

  9. Looking west inside of the machine/forge shop at chargin door ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Looking west inside of the machine/forge shop at chargin door of the forging furnace. - U.S. Steel Edgar Thomson Works, Auxiliary Buildings & Shops, Along Monongahela River, Braddock, Allegheny County, PA

  10. Looking east inside of the ingot mold stripeer building at ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Looking east inside of the ingot mold stripeer building at a mold being stripped from an ingot. - U.S. Steel Edgar Thomson Works, 44" Slab Mill, Along Monongahela River, Braddock, Allegheny County, PA

  11. 34 CFR 608.4 - What definitions apply?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 34 CFR 77.1: Applicant Application Award Budget EDGAR Equipment Fiscal year Grant period Private... degree; or offers a 2-year program in engineering, mathematics, or the physical or biological...

  12. 34 CFR 609.4 - What definitions apply?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... definitions apply? (a) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR 77.1... a graduate or professional program that— (i) Provides a program of instruction in the physical...

  13. 76 FR 8739 - Granting of Request for Early Termination of the Waiting Period Under the Premerger Notification...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-02-15

    ... Growth Fund, LLC; Twitter, Inc.; KPCB Digital Growth Fund, LLC. 20110418 G Schnitzer Steel Industries, Inc.; Edgar Jackson, Trustee, William Jackson Family Trust; Schnitzer Steel Industries, Inc. 20110433 G Aviation Industry Corporation of China; Teledyne Technologies Incorporated; Aviation...

  14. Looking southwest at blast furnaces no. 5 and no. 6 ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Looking southwest at blast furnaces no. 5 and no. 6 with blast furnace trestle and Gondola Railroad cars in foreground. - U.S. Steel Edgar Thomson Works, Blast Furnace Plant, Along Monongahela River, Braddock, Allegheny County, PA

  15. Looking southeast at blast furnaces no. 5 and no. 6 ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Looking southeast at blast furnaces no. 5 and no. 6 with blast furnace trestle and Gondola Railroad cars in foreground. - U.S. Steel Edgar Thomson Works, Blast Furnace Plant, Along Monongahela River, Braddock, Allegheny County, PA

  16. 34 CFR 350.4 - What regulations apply?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... REHABILITATIVE SERVICES, DEPARTMENT OF EDUCATION DISABILITY AND REHABILITATION RESEARCH PROJECTS AND CENTERS... Rehabilitation Research Projects and Centers Program: (a) The Education Department General Administrative Regulations (EDGAR) as follows: (1) 34 CFR part 74 (Administration of Grants and Agreements with...

  17. 34 CFR 350.4 - What regulations apply?

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... REHABILITATIVE SERVICES, DEPARTMENT OF EDUCATION DISABILITY AND REHABILITATION RESEARCH PROJECTS AND CENTERS... Rehabilitation Research Projects and Centers Program: (a) The Education Department General Administrative Regulations (EDGAR) as follows: (1) 34 CFR part 74 (Administration of Grants and Agreements with...

  18. 34 CFR 350.4 - What regulations apply?

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... REHABILITATIVE SERVICES, DEPARTMENT OF EDUCATION DISABILITY AND REHABILITATION RESEARCH PROJECTS AND CENTERS... Rehabilitation Research Projects and Centers Program: (a) The Education Department General Administrative Regulations (EDGAR) as follows: (1) 34 CFR part 74 (Administration of Grants and Agreements with...

  19. 34 CFR 350.4 - What regulations apply?

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... REHABILITATIVE SERVICES, DEPARTMENT OF EDUCATION DISABILITY AND REHABILITATION RESEARCH PROJECTS AND CENTERS... Rehabilitation Research Projects and Centers Program: (a) The Education Department General Administrative Regulations (EDGAR) as follows: (1) 34 CFR part 74 (Administration of Grants and Agreements with...

  20. Looking northwest at the teeming aisle building of the basic ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Looking northwest at the teeming aisle building of the basic oxygen plant; furnace building is in background. - U.S. Steel Edgar Thomson Works, Basic Oxygen Steelmaking Plant, Along Monongahela River, Braddock, Allegheny County, PA

  1. Looking southwest toward the basic oxygen steelmaking plant from a ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    Looking southwest toward the basic oxygen steelmaking plant from a neighborhodd in Braddock by Eleventh Street. - U.S. Steel Edgar Thomson Works, Basic Oxygen Steelmaking Plant, Along Monongahela River, Braddock, Allegheny County, PA

  2. Good Impressions.

    ERIC Educational Resources Information Center

    Banks, Geraldine; Pulsifer, Mary

    1986-01-01

    An art activity featuring ballerinas in classic poses and costumes was extended by a visit to an exhibit on Edgar Degas. Hearing impaired students shared their impressions of another traveling exhibit with French students via computers. (CL)

  3. 34 CFR 642.6 - What definitions apply?

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ...) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR part 77: Applicant... means persons defined in section 725 of the McKinney-Vento Homeless Assistance Act (42 U.S.C....

  4. 34 CFR 642.6 - What definitions apply?

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ...) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR part 77: Applicant... means persons defined in section 725 of the McKinney-Vento Homeless Assistance Act (42 U.S.C....

  5. 34 CFR 642.6 - What definitions apply?

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ...) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR part 77: Applicant... means persons defined in section 725 of the McKinney-Vento Homeless Assistance Act (42 U.S.C....

  6. 34 CFR 642.6 - What definitions apply?

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ...) Definitions in EDGAR. The following terms used in this part are defined in 34 CFR part 77: Applicant... means persons defined in section 725 of the McKinney-Vento Homeless Assistance Act (42 U.S.C....

  7. 34 CFR 491.5 - What definitions apply?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... defined in 34 CFR 77.1: Applicant Application Award Contract EDGAR Grant Grantee Local educational agency... literacy training mean adult education for homeless adults whose inability to speak, read, or write...

  8. Alan Shepard Hits A Golf Ball on the Moon

    NASA Video Gallery

    Apollo 14 Commander and original Mercury astronaut Alan Shepard, the first American to fly in space, tees off on the lunar surface during his 1971 mission, with crewmate Edgar Mitchell watching and...

  9. 34 CFR 280.4 - What definitions apply to this program?

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... in 34 CFR part 77: Applicant Application Budget EDGAR Elementary school Equipment Facilities Fiscal..., Puerto Rican, Cuban, Central or South American, or other Spanish culture or origin, regardless of...

  10. 34 CFR 280.4 - What definitions apply to this program?

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... in 34 CFR part 77: Applicant Application Budget EDGAR Elementary school Equipment Facilities Fiscal..., Puerto Rican, Cuban, Central or South American, or other Spanish culture or origin, regardless of...