This article is a translation of Ludwig Lange: "Ueber das Beharrungsgesetz" in: Berichte ueber Verhandlungen der Koenigl. Saechsischen Gesellschaft der Wissenschaften, math.-physik. Klasse (Leipzig, 1885), SS. 333-351. Translated by Herbert Pfister, Institut für Theoretische Physik, Universität Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany; email@example.com. Kind assistance by Julian Barbour is acknowledged.
Since long possible cyst formation by Trichomonas vaginalis has been discussed. According to our observations the round forms of Trichomonas ... vaginalis in relation to its biogenic surroundings. Here the biochemico-physiological relationship between Trichomonas and the fundamental biogenic...generally appear as degenerative manifestations of the cell, especially in older cultures. We tried to study analytically the biology of Trichomonas
Komlew, Wladislaw I.
Common internationalisms in Russian and German are listed. In general German loan-words underwent a phonetic assimilation. Even if there are overall tonal similarities, there are differences, especially in accentuation, that result from the different structures of the languages. (Text is in German.) (MS)
Einige Bemerkungen ueber die Erzeugung von Elektromagnetischen Wanderwellen und Stehenden Wellen zur Induktiven Plasmabeschleunigung (Some Comments Concerning the Generation of Traveling and Standing Electromagnetic Waves for Inductive Plasma Acceleration),
Some comments are made for the generation of electromagnetic travelling and standing waves used for inductive plasma acceleration. Resulting from a...simple mathematical formulation the different features lead to a non-conventional method for travelling wave generation, which is compared with the
Experimente ueber den Einflusse von Metabolites und Antimetaboliten am Modell von Trichomonas Vaginalis. III. Mitteilung: Experimente mit Essentiellen Fettsaeuren (Experiments on the Influence of Metabolites and Antimetabolites on the Model of Trichomonas Vaginalis. III. Communication: Experiments with Essential Fatty Acids),
The relationship between the double and trifold unsaturated fatty acids and Trichomonas vaginalis was tested. The experiments aimed at testing the...influence of vitamin F, linolic and linoleic acid upon multiplication of Trichomonas vaginalis . Vitamin F exerts trichomonacidal effect upon... Trichomonas vaginalis cultures. Linolic acid alone does not yet show great differences at concentrations of 0,01 to 0.05 mg/ml, as compared to the controls. At
Experimente ueber den Einflusse von Metaboliten und Antimetaboliten am Modell von Trichomonas Vaginalis. VI. (Experiments on the Influence of Metabolites and Antimetabolites on the Model of Trichomonas Vaginalis. VI. Communication: Effect of Vitamins and Vitamin-Like Substances),
A number of substances (folic acid, axerophtol, tokopherol and others) stimulate the growth of Trichomonas vaginalis and, therefore, are very well...group of vitamins (thiamine, lactoflavin, pyridoxine and others) are without recognizeable effect upon the growth of Trichomonas vaginalis . The third...inhibiting effect upon the growth of Trichomonas vaginalis . Further investigations with these substances within a combined inhibition system seem to be important. (Modified author abstract)
Experimente ueber den Einflussee von Metaboliten und Antimetaboliten am Modell von Trichomonas Vaginalis. VII. Mitteilung: Experimente mit Antimetaboliten (Experiments on the Influence of Metabolites and Antimetabolites on the Model of Trichomonas Vaginalis. VII. Communication: Experiments on Antimetabolites),
with six trichomonas strains and the following antivitamins: aminopterine, acetylpyridine, pyridine sulfonic acid, aminobutyric acid, pantoyltaurin...benzimidazol, 5.6-dimethyl-benzimidazid, azaadenin, avidine, phthiocol, dicumarol, tri-o-cresylphosphate, di-o-cresylacetate. Growth of trichomonas in...concentrations above 0.80 mg/ml. A clear inhibiting effect upon the development of trichomonas cultures was seen with phthiocole at a concentration of
Experimente ueber den Einflusse von Metaboliten und Antimetaboliten am Modell von Trichomonas Vaginalis. VIII. Mitteilung: Experiments mit Hormonen (Experiments on the Influence of Metabolites and Antimetabolites on the Model of Trichomonas Vaginalis. VIII. Communication: Experiments with Hormones),
experiments were performed on 7 trichomonas vaginalis strains. The test cultures with serotonin, oestron, testosteron and methyltestosteron grew at...The present study has been concerned with the influence of some hormones upon trichomonas growth. The following substances were used for our...ml onward. Adrenalin and noradrenalin have generally inhibiting action (from 0.80 mg/ml onward) upon trichomonas growth. The antihormone 3.5-dijodtyrosin does rarely influence the growth of trichomonas . (Author)
Experimente ueber den Einflusse von Metaboliten und Antimetaboliten am Modell von Trichomonas Vaginalis. IX. Mitteilung: Experimente mit Enzymen (Experiments on the Influence of Metabolites and Antimetabolites on the Model of Trichomonas Vaginalis. IX. Communication: Experiments on Enzymes),
The digestive enzymes may be of special interest with regard to oral trichomonas infection. We have made it our task to demonstrate the relations of...some enzymes to trichomonas . The following enzymes were used for experiment: pepsin, trypsin, distaste, urease and lysozyme. Tests were performed...on six trichomonas strains and evaluated by microscopical readings and determination of the population density at varying concentrations of the
Darueber spricht man(n) nicht Ueber Stigma Erleben und Stigma Management an Darmkrebs erkrankter Maenner (Is No One Speaking about the Stigma Experience and Stigma Management of Cancer in Diseased Men )
I. Introduction: Structure of the work; Starting position; Cancer as a st igma - The subject of scientific research? 2. Diagnosis cancer- Somatic...from psycho-view; The stigma concept- A sociological disambiguation: Stigma; Stigma types; Structure and function of stigmatizing processes; Reasons...suggest that a cancer patient’s psycholog - ical reaction can influence his or her physical well-being and ultimate progno- sis" (Dunkel-Schetter
Ueber Bild und Rolle zum Sprachhandeln. Ueberlegungen und praktische Beispiele zur Arbeit mit Rollenspiel und Bildergeschichte im Deutschunterricht mit auslaendischen Studenten (On Picture and Role in Language-in-Action. Considerations and Practical Examples of Role-Playing and Picture Stories in Teaching German to Foreign Learners).
Describes work at an American college with students who are receiving an introduction to colloquial German. Role-playing and picture stories prove useful in learning, in both productive and receptive aspects. Describing a picture on three levels--factual, psychological and contemplative--is shown to be very useful. (IFS/WGA)
Experimente ueber den Einflusse von Metaboliten und Antimetaboliten am Model von Trichomonas Vaginalis. II. Mitteilung: Experimente mit der Vitamin K-Gruppe (Experiments on the Influence of Metabolites and Antimetabolites on the Model of Trichomonas Vaginalis. II. Communication: Experiments with the Vitamin K-Group),
K4 essential reduction of multiplication of Trichomonas vaginalis was observed within a range of 0.25 and 0.35 mg/ml, from 0.40 mg/ml onward single...The aim of the investigation was to test the relationship between the individual K-vitamins K1, K3, K4 and K5 and Trichomonas analytically. The...show any remarkable differences between the control culture and the test series (Table 1) in Trichomonas multiplication. With vitamin K3 gradually
Experiment ueber den Einflusse von Metaboliten und Antimetaboliten am Modell von Trichomonas Vaginalis. IV. Mitteilung: Vitamine, die das Wachstum von Trichomonas Vaginalis Beguenstigen (Experiments on the Influence of Metabolites and Antimetabolites on the Model of Trichomonas Vaginalis. IV. Communication: Vitamins Favouring the Growth of Trichomonas Vaginalis),
A number of vitamins have been investigated for their influence upon Trichomonas vaginalis . At a concentration of 0.20 mg ml vitamin A has...stimulating action upon the growth of Trichomonas vaginalis . Vitamin D2 has been shown to favour Trichomonas multiplication in all experimental series...Vitamin D3 generally favours the Trichomonas vaginalis population. Addition of vitamin E resulted in enhanced multiplication of Trichomonas and longer
Experimente ueber den Einflusse von Metaboliten und Antimetaboliten am Modell von Trichomonas Vaginalis. V. Mitteilung: Beziehungen der Vitamin-B-Kemplexe zu Trichomonas Vaginalis (Experiments on the Influence of Metabolites and Antimetabolites on the Model of Trichomonas Vaginalis. V. Communication: Relationship between Vitamin-B-Complexes and Trichomonas Vaginalis),
vitamin B1 clear evidence of any influence upon Trichomonas growth could not be obtained. Choline favours the growth of Trichomonas vaginalis . In...0.20 mg/ml onward liponic acid had inhibiting effect upon Trichomonas . Carnitine chloride favoured the growth of Trichomonas vaginalis . (Modified author abstract)...The present study was concerned with the relationship between the vitamins of the B-complex and Trichomonas . From the results obtained in studies on
Experimente ueber den Einflusse von Metaboliten und Antimetaboliten am Modell von Trichomonas Vaginalis. I. Mitteilung Experimente mit dem Vitamin B2-Komplex (Experiments on the Influence of Metabolites and Antimetabolites on the Model of Trichomonas vaginalis. I. Communication: Experiments with the Vitamin-B2-Complex),
pathogenic protozoa Trichomonas vaginalis have been studied. Material and methods are described in the paper. The efficacy of the individual admixtures from the vitamin-B2-complex is subsequently discussed. (Author)
Grüneberg, Björn; Ostendorp, Wolfgang; Leßmann, Dieter; Wauer, Gerlinde; Nixdorf, Brigitte
Süßwasserseen haben als ökosysteme und Lebensraum für Pflanzen und Tiere eine herausragende Bedeutung für die Artenvielfalt auf der Erde und prägen als Landschaftselemente unsere natürliche Umwelt. Seen fungieren als natürliche Stoffsenken, vor allem für Kohlenstoff und Nährstoffe, aber auch als Senken für in ihren Einzugsgebieten emittierte gelöste und feste Schadstoffe. Darüber hinaus ist Wasser eine wichtige Naturressource. Süßwasserseen stellen in den meisten Regionen der Erde lebenswichtige Quellen für die Versorgung mit Trinkwasser und tierischem Eiweiß (Fischfang) dar. Sie dienen als Wasserspeicher für die landwirtschaftliche und industrielle Nutzung. Auch für Erholungsaktivitäten des Menschen kommt ihnen eine große Bedeutung zu.
Brand, Richard A
This biographical sketch on Franz König corresponds to the historic text, The Classic: Ueber freie Körper in den Gelenken [On loose bodies in the joint] (1887), available at DOI 10.1007/s11999-013-2824-y (Translated by Drs. Richard A. Brand and Christian-Dominik Peterlein).
increases toward failure (peak stress) in a stable manner, there will be appreciable continuing dilation. r 144 0. cJ GJ SO z ! . .J ! II 1443 F4 h 0 41...Netherlands, 31 Aug.-3 Sept., 1982). P. 0. Box 1675, 3000 BR Rotterdam, Netherlands: A. A. Balkema, 1982. Wiedemann , G. "Ueber die Torsion, die Biegung und den
Hutagalung, R . et al. (1999) Influence of hemoglobin E trait on the severity of falciparum malaria. J. Infect. Dis. 179, 283–286 8 Ruwende, C. et al...erythrocytic stage in mam- malian malaria parasites. Nature 161: 126. 2. Shortt HE, Fairley NH, Covell G, Shute PG, Garnham PC, 1951. The pre-erythrocytic...stage of Plasmodium falciparum. Trans R Soc Trop Med Hyg 44: 405–419. 3. Schaudinn F, 1903. Studien ueber krankheitserregende Proto- zoen II
medical interest in training, research and prac- tice. 1. New Possibilities and Requirements Since the design of the RDC 64 thermoluminescence ...the RDC III. 3. Mode of Operation The RDC III D is a thermoluminescence dosimeter whose persistent phosphorus CaF2:Mn (calcium fluoride activated...Langhans, K., "Military-Medical Aspects of Thermoluminescence Dosimetry," Z. MILITAERMED., Berlin, No 14, 1973, p 2. 5. Langhans, K., "Ueber die
der Luftwaffe, Wehrwissenschaftliche Abteilung, "Der Einsatz der Operativen Luftwaffe gegen Polen ," ibid., T-971J19/000877ff./25-9. 40. Richard...1968), 140; Herhudt von Rohden, "Die Plannung and Vorbereitung des Luftkriegs gegen Polen 1939," Luftkrieg, no. 5, appendix 6, 1946. 41 . Ibid., 49...Kriegswissenschaftliche) Abteilung, "Vortrag ueber der Luftkrieg in Polen 1939: 23 July 1944," GMR, T-971/18/00264/21 . 46 . "Der Einsatz der Operativen
Liu, Daniel; Ellis, Harold
The thymus is the last organ in the human body to have its mechanisms fully understood, having had its function fully delineated more than 50 years ago (Miller , Tissue Antigens 63:509-517). Prior to this, the thymus gland has had an interesting history with theories having included a role in fetal growth and development before becoming more sinisterly, a cause of sudden infant death in the late 19th century known as status lymphaticus (Paltauf , Wien Klin Wochenschr 2:877-881). Until Miller (, Lancet 278:748-749) eventually proved its primarily immunological role, the history of this mysterious gland has closely mirrored the history of medicine itself, troubling the minds of pathologists such as Virchow (, Ueber die Chlorose und die damit zusammenhängenden Anomalien im Gefässapparate, insbesondere über "Endocarditis puerperalis," vorgetragen in der Sitzung der Berliner Geburtshülflichen Gesellschaft vom 12) and Grawitz (, Deut Med Wochenschr 22:429-431), surgeons such as Astley Cooper (, The Anatomy of the Thymus Gland) and Keynes (1953, Ann R Coll Surg 12:88), and eminent medical epidemiologists such as Greenwood and Woods [, J Hyg (Lond) 26:305-326]. This article will hopefully be of interest therefore to both clinician and historian alike. Clin. Anat. 29:679-684, 2016. © 2016 Wiley Periodicals, Inc.
Boveri's visionary monograph ‘Ueber die Natur der Centrosomen’ (On the nature of centrosomes) in 1900 was founded primarily on microscopic observations of cleaving eggs of sea urchins and the roundworm parasite Ascaris. As Boveri wrote in the introductory paragraph, his interests were less about morphological aspects of centrosomes, but rather aimed at an understanding of their physiological role during cell division. The remarkable transition from observations of tiny dot-like structures in fixed and sectioned material to a unified theory of centrosome function (which in essence still holds true today) cannot be fully appreciated without examining Boveri's starting material, the histological specimens. It was generally assumed that the microscope slides were lost during the bombing of the Zoological Institute in Würzburg at the end of WWII. Here, I describe the discovery of a number of Boveri's original microscope slides with serial sections of early sea urchin and Ascaris embryos, stained by Heidenhain's iron haematoxylin method. Some slides bear handwritten notes and sketches by Boveri. Evidence is presented that the newly discovered slides are part of the original material used by Boveri for his seminal centrosome monograph. PMID:25047623
When reporting on extreme weather conditions in the city of Rijeka (former Fiume), it is often specified " ... since the beginning of measurements in 1948". In reality the modern meteorological measurements in Fiume had started already in 1868, when the Austrian Imperial Academy of Science established the meteorological station. The station was operating at the Naval Academy, under the supervision of prof. dr. Emil Stahlberger, the first university professor of physics in Fiume (Rijeka). The following year the station was equipped with mareograph (marigraph/tide gauge). Based on three years measurements, prof. Stahlberger published the first book on tides in the Rijeka bay (Ueber die Ebbe und Flut in der Rhede von Fiume). After his sudden death, Prof. Peter Salcher, his succesor at the Physics chair at the Naval academy, took charge of the Meteorological station. In 1884. He published the book entitled Climate in Rijeka and Opatija (Das Klima von Fiume und Abbazia). The meteorological data in the book are presented in the very same way as it is done today, and therefore these data can be used for comparative purposes regarding climate variations/ changes.
Szereszewski, A.; Sym, A.
The standard method of separation of variables in PDEs called the Stäckel-Robertson-Eisenhart (SRE) approach originated in the papers by Robertson (1928 Math. Ann. 98 749-52) and Eisenhart (1934 Ann. Math. 35 284-305) on separability of variables in the Schrödinger equation defined on a pseudo-Riemannian space equipped with orthogonal coordinates, which in turn were based on the purely classical mechanics results by Paul Stäckel (1891, Habilitation Thesis, Halle). These still fundamental results have been further extended in diverse directions by e.g. Havas (1975 J. Math. Phys. 16 1461-8 J. Math. Phys. 16 2476-89) or Koornwinder (1980 Lecture Notes in Mathematics 810 (Berlin: Springer) pp 240-63). The involved separability is always ordinary (factor R = 1) and regular (maximum number of independent parameters in separation equations). A different approach to separation of variables was initiated by Gaston Darboux (1878 Ann. Sci. E.N.S. 7 275-348) which has been almost completely forgotten in today’s research on the subject. Darboux’s paper was devoted to the so-called R-separability of variables in the standard Laplace equation. At the outset he did not make any specific assumption about the separation equations (this is in sharp contrast to the SRE approach). After impressive calculations Darboux obtained a complete solution of the problem. He found not only eleven cases of ordinary separability Eisenhart (1934 Ann. Math. 35 284-305) but also Darboux-Moutard-cyclidic metrics (Bôcher 1894 Ueber die Reihenentwickelungen der Potentialtheorie (Leipzig: Teubner)) and non-regularly separable Dupin-cyclidic metrics as well. In our previous paper Darboux’s approach was extended to the case of the stationary Schrödinger equation on Riemannian spaces admitting orthogonal coordinates. In particular the class of isothermic metrics was defined (isothermicity of the metric is a necessary condition for its R-separability). An important sub-class of isothermic metrics
This paper describes the historical background and early formation of Wilhelm Johannsen's distinction between genotype and phenotype. It is argued that contrary to a widely accepted interpretation (For instance, W. Provine, 1971. The Origins of Theoretical Population Genetics. Chicago: The University of Chicago Press; Mayr, 1973; F. B. Churchill, 1974. Journal of the History of Biology 7: 5-30; E. Mayr, 1982. The Growth of Biological Thought, Cambridge: Harvard University Press; J. Sapp, 2003. Genesis. The Evolution of Biology. New York: Oxford University Press) his concepts referred primarily to properties of individual organisms and not to statistical averages. Johannsen's concept of genotype was derived from the idea of species in the tradition of biological systematics from Linnaeus to de Vries: An individual belonged to a group - species, subspecies, elementary species - by representing a certain underlying type (S. Müller-Wille and V. Orel, 2007. Annals of Science 64: 171-215). Johannsen sharpened this idea theoretically in the light of recent biological discoveries, not least those of cytology. He tested and confirmed it experimentally combining the methods of biometry, as developed by Francis Galton, with the individual selection method and pedigree analysis, as developed for instance by Louis Vilmorin. The term "genotype" was introduced in W. Johannsen's 1909 (Elemente der Exakten Erblichkeitslehre. Jena: Gustav Fischer) treatise, but the idea of a stable underlying biological "type" distinct from observable properties was the core idea of his classical bean selection experiment published 6 years earlier (W. Johannsen, 1903. Ueber Erblichkeit in Populationen und reinen Linien. Eine Beitrag zur Beleuchtung schwebender Selektionsfragen, Jena: Gustav Fischer, pp. 58-59). The individual ontological foundation of population analysis was a self-evident presupposition in Johannsen's studies of heredity in populations from their start in the early 1890s till his