The decay kinetics of solid solution, irradiated and naturally aged alloy of Al-Cu-Mg-Mn system was investigated by the method of transmission electron microscopy. It was shown that in irradiated and natural aged alloy the decay of solid solution proceeds...

The new approach to nuclear reaction investigation at accelerator charged particle beams was elaborated. On the basis of this approach 'Method of superposition of spectra' (MSS) providing excitation function (EF) and differential cross-sections of hadron-...

The origin and role of the Langerhans cell are considered in the immune response of the organism, as well as in a number of human diseases. It is noted that the antigen-presenting function of this macrophage suffers when taking glucocorticosteroid prepara...

... Title : THE INFLUENCE OF CHRONIC ACCELERATION ON THE EFFECTS OF WHOLE-BODY IRRADIATION IN RATS. ...

... ACCELERATORS, NEUTRON FLUX), NEUTRON ... REACTIONS, REACTOR CORES, ELECTRON ... ELECTRON IRRADIATION, MEASUREMENT. ...

... Descriptors : , (*IRRADIATED FOOD, PROCESSING), (*FOOD, PRESERVATION), (*ELECTRON ACCELERATORS, IRRADIATED FOOD ...

... Semiconductor devices, *Radiation effects, Electron irradiation, Ionization, Electron accelerators, Linear accelerators, Translations, USSR. ...

... IRRADIATION, LOW PASS FILTERS, RADIATION DOSAGE, CAPACITANCE, ELECTRON ACCELERATORS, LINEAR ACCELERATORS. ...

... Title : IRRADIATION OF SEMIRAD AT THE GENERAL ATOMIC LINEAR ACCELERATOR (LINAC), 5 MAY 1959. Descriptive Note : Technical rept.,. ...

A process of accelerating electrons with a voltage applied thereto in a vacuum, guiding the accelerated electrons into a normal-pressure atmosphere, and irradiating the electron beam (EB) onto an object. The electron beam irradiation process uses a vacuum tube-type electron beam irradiation ...

... Title : Investigation and Perspectives of the Application of Radiation Treatment of Meat Products (Nikotopye Rezultaty Issledovaniya Perspektivy ...

... Title : INVESTIGATION IN REGION OF FRICTIONAL MATERIALS (ISSLEDOVANIYA V OBLASTI FRIKTSIONNYKH MATERIALOV),. ...

An accelerated particle generator adjustable over a wide energy range was developed. It consists of a first particle accelerator providing a high- energy accelerated particle beam, a device for deviating this beam positioned after this first accelerator and capable of effecting a 360 deg rotution about an ...

The commercial use of irradiation is accelerating with the approval of low dose generic treatments for insect disinfestations and the availability of irradiation facilities. Commercial adoption of irradiation treatment requires an understanding of the radiotolerance limits for individual commodities...

Early breast cancer incidence increases owing to mammography screening. Hypofractionated radiotherapy is more and more proposed in women with low local relapse risk breast cancer, especially accelerated partial breast irradiation. Various irradiation modalities have been reported: brachytherapy, intraoperative ...

... Title : The Use of Aviation in Oceanographic Research in the Arctic (Primenenie Aviatsii v Okeanograficheskikh Issledovaniya V Arktike),. ...

... Title : The Automated System for the Investigation of Physical Fields of the Ocean (Avtomatizirovannaya Sistema dlya Issledovaniya Fizicheskikh ...

... Title : Methods of Collection and Investigation of Suspensions for Geological Purposes (Metody Sbora i Issledovaniya Vodnoi Vzvesi dlya ...

... Title : Investigation Technique of Microhardness of High Melting Point Alloys in a Wide Temperature Range (Metodika Issledovaniya Mikrotverdosti ...

... Title : Experimental Investigation of the Carrying Capacity of an Ice Cover (Eksperimentalnye Issledovaniya Gruzopodbemnosti Ledyanogo Pokrova ...

The Measurement and Instrumentation Data Center collects Irradiance and Meterological data from the Solar Technology Acceleration Center (SolarTAC)....

... An electron linear accelerator was used to produce gaseous oxygen-15 by bremsstrahlung irradiation of hydrogen peroxide-water solutions. ...

... Accession Number : ADD853746. Title : Accelerated Failure of Bisphenol-A Polysulfone During Electron Beam Irradiation Under an Applied Stress. ...

We examined cell killing and chromatid damage in primary human bronchial epithelial cells irradiated

Administration of olive oil within an hour before or after whole-body x irradiation of male mlce at 625 r significantly increased the survival-rate when compared with irradiated untreated mice. The effects of irradiation on bone- marrow, spleen, and thymus of irradiated, and oil-treated ...

Out-of-reactor experiments utilizing direct electrical heating and infrared heating techniques were performed on irradiated metallic fuel. The results indicate accelerated expansion can occur during thermal transients and that the accelerated expansion is...

An accelerated test for screening potential PCI remedy designs was developed. Fuel rods were designed with a tight diametral fuel-cladding gap and a reduced cladding wall thickness and irradiated in the General Electric Test Reactor. After irradiation at ...

An irradiator producing a spread-out particle beam is presented, the irradiator being provided with several particle accelerators. It consists of an evacuated enclosure having at least one particle transparent window. This enclosure contains n particle sources and accelerator columns, each column being ...

... wire and cable insulation are damaged by irradiation ... except that the rate of damage is accelerated 4 ... physically, the effects of radiation on physical ...

... by M. Dostal and others The effect of accelerations created at the moment of irradiation of animals on the course of acute radiation sickness, KV ...

Table sugar samples were irradiated with accelerated carbon ions and fast neutrons. Electron paramagnetic resonance (EPR) analysis performed after the irradiation revealed a complex spectrum similar to that observed after gamma-ray irradiations. The total concentration of the paramagnetic centers induced by ...

Several undyed and dyed polymer films are commercially available for dosimetry in intense radiation fields, especially for radiation processing of food and sterilisation of medical devices. The effects of temperature during irradiation and post-irradiation stability, on the response of these dosimeters are of importance to operators of ...

Upon request by the local American Red Cross, the Savannah Regional Center for Cancer Care irradiates whole blood or blood components to prevent post-transfusion graft-versus-host reaction in patients who have severely depressed immune systems. The rationale for blood irradiation, the total absorbed dose, the type of patients who require ...

A double-target technique is used to measure the uniformity with which laser irradiated thin foil targets are ablatively accelerated. Studies of the effects of laser nonuniformities on the target acceleration reveal an increase in smoothing (symmetrizatio...

Iron containing approximately 0.01 wt% carbon was irradiated at different times and temperatures, and the amount of carbon in solution was measured by torsion pendulum inteinal friction. Isothermal annealings after irradiation for 12 days at 200 deg K showed that the irradiation accelerated the ...

The International Fusion Materials Irradiation Facility (IFMIF) is proposed as an advanced accelerator-based neutron source for high-flux irradiation testing of large-sized fusion reactor components. The facility would require only small extensions to exi...

An electron accelerator for irradiating continuous lengths of material, such as plastic tubing, cables, and insulated wire, with high-energy electrons is described. The accelerator is adapted to produce a beam of electrons whose cross section is extended in at least one plane. There are means for prcducing two substantially ...

This report describes the effect of radiation processing conditions on the quality of beef loin steaks and restructured beef steaks that had been irradiated with two irradiation sources, a linear electron accelerator and a cobalt 60 gamma source. Changes ...

Effects of ion irradiation of monocrystalline molybdenum and polycrystalline chromium with Co-57 impurity were studied by Moessbauer effect. Molybdenum specimens were irradiated by He exp + ions at accelerators with 40 keV energy. Chromium specimens were ...

It was found that irradiation of filled polyethylene resulted in improved mechanical properties. The various fillers which may be used are discussed. A high-voltage accelerating apparatus for producing electrons for irradiating polyethylene sheet is described. (D.L.C.)

Irradiation capsule HRB-22 was a test capsule containing advanced Japanese fuel for the High Temperature Test Reactor (HTTR). Its function was to obtain fuel performance data at HTTR operating temperatures in an accelerated irradiation environment. The ir...

Electron irradiation is used as a means of accelerating the diffusion in FeNi alloys. Moessbauer effect, X-ray and electronic microscopy experiments on samples with 28 to 50% Ni show that the ''Invar character'' disappears after irradiation up to 250 exp ...

In the wire and cable industries production processes involving irradiation from electron accelerators are especially applied to the cold vulcanizing of silicon tapes and to the controlled placement of cross links in polyethylene sheaths of insulated cables. The correct choice of radiation energy and irradiation geometry ...

Arabidopsis thaliana pollen was irradiated with three different accelerated heavy ions (U, Pb, Ar). The pollen vitality was measured and the cross section was calculated. A pollination with irradiation pollen on a non-irradiated male sterile mother plant ...

A description is given of a device in which the sample can be simultaneously irradiated and exposed to electron paramagnetic resonance study. The irradiation is made with an electron accelerator, and the electron resonance is detected with a spectrograph operating in the 3-cm band. (tr-auth)

An arrangement for irradiation with electrons is described which avoids certain hazards associated with other techniques. The space between accelerating- tube window and object to be irradiated is filled with He or Ar. The He or Ar, being lighter than alr, are contained by a hood the bottom of which is open to permit ralsing ...

Food irradiation is discussed. Irradiation exposes food to gamma rays from a cobalt-60 or a cesium-137 source, or to high-energy electrons emitted by an electron accelerator. A major advantage is that food can be packaged either before or after treatment. FDA regulations with regard to irradiation are discussed. ...

An investigation was made of the change in rate of cholesterol synthesis that occurs in hypophysectomized rats during irradiation. Male albino rats were used for the experiment. It was found that hypophysectomy and chemical hypophyseal block with desoxycorticosterone (DOCA) retard cholesterol synthesis in the liver. Irradiation of rats following ...

An apparatus for irradiating a flowing material with an electron beam includes an electron beam accelerating device having an electron beam emitter; an irradiation device having an inclined irradiation tray arranged underneath the electron beam emitter and determining a flowpath for the material to be ...

Although the developments of particle accelerators are devoted to basic study of matter constituents, since the beginning these machines have been applied with different purposes in many areas also. Today particle accelerators are essential instruments for science and technology. This work presents an overview of the main application for direct particle ...

Although the developments of particle accelerators are devoted to basic study of matter constituents, since the beginning these machines have been applied with different purposes in many areas also. Today particle accelerators are essential instruments for science and technology. This work presents an overview of the main application for direct particle ...

For the accelerator production of tritium (APT), the accelerator driven transmutation facility (ADTF), and the advanced fuel cycle initiative (AFCI), tungsten is being proposed as a target material to produce neutrons. In this study, tungsten rods were irradiated at the 800MeV Los Alamos Neutron Science Center (LANSCE) proton ...

The Fusion Materials Irradiation Test (FMIT) accelerator requires several 600-kW rf systems to simultaneously supply rf power to a single accelerator tank. Each rf-system output must be carefully phase and amplitude controlled to achieve the proper system...

Ablative acceleration of thin foil targets at low laser irradiance (10 exp 12 to 10 exp 13 W/cm exp 2 ) are studied experimentally and theoretically. Ablative acceleration of foils up to approx. 10 exp 7 cm/sec with good hydrodynamic efficiency (20%) have...

Ablative acceleration of thin foil targets at low laser irradiance (10 to the 12th power -10 to the 13th power W/sq cm) are studied experimentally and theoretically. Ablative acceleration of foils up to approximately 10 to the 7th power cm/sec with good h...

is to qualitatively assess how prone are these "new" material to experiencing degradation of their advantageous-based material irradiation experience continues to provide the baseline for the new studies for longTarget Material Irradiation Studies for High-Intensity Accelerator Beams N. Simos1* , H. Kirk1 , H

The synthesis of amino acids and proteins from inorganic nitrogen during photosynthesis is studied using nitrogen labeled with N/sup 15/. It is shown that the acceleration of forming amino acids and proteins by irradiation is caused by the fact that these compounds are directly formed during photosynthesis. In leaves free from chlorophyll, ...

Recovery from sublethal damage of jejunal crypt cells was measured after fractionated irradiation with /sup 137/Cs, or accelerated helium ions, carbon ions, and neon ions. Cells irradiated with the accelerated particles showed less recovery than cells irradiated with /sup 137/Cs. For each ...

The ILU-type industrial electron accelerators are developed in BINP sins 1967. Their energy range is 0.7-4.0 MeV at beam power of 20-50 kW. The comparison of the irradiation results after bilateral and four-sided irradiation of cables and tubes is given. It is shown that the required electron energy and beam power in the case of ...

... September 1972-January 1973) (Nauchnyye Issledovaniya v Shestom Reyse nis Akademik Vernadskiy (Sentyabr' 1972-Yanvar' 1973 gg.)),. ...

4 days ago... Original Affiliation, E-mail. Dr. B Zhukov, General Contact, Institut Kosmicheskich Issledovaniya (IKI). NSSDC Master Catalog Search ...

Contents: Researches and findings. Astronomy of the 20th century. Cosmic researches. Russian astronomers. Jubilee. Bibliography.

Using multidimensional particle-in-cell simulations we study ion acceleration from a foil irradiated by a circularly polarized laser pulse at 10;{22} W/cm;{2} intensity. When the foil is shaped initially in the transverse direction to match the laser intensity profile, three different regions (acceleration, transparency, and ...

Morphometric methods were to used to compare the early effects of graded single doses of x-rays with accelerated heavy particle (helium or neon) irradiation of hamster lung. Increased values in the volume densities of both capillary lumina and inflammatory cells at 2 weeks postirradiation were observed. Neon-ion irradiation wes ...

Subcutaneous injection of /sup 206/Bi bound to denatured albumin in one leg of a dog irradiates draining lymph nodes, kidneys, and site of injection, with some whole-body irradiation. This irradiation was found to suppress the accelerated second and third set rejection of skin homografts, whether the grafts ...

The survival of jejunal crypt cells was measured following irradiation in 1, 2, 5, or 10 fractions in beams of accelerated helium, carbon, neon, or argon ions. The beams were modulated to spread the Bragg peak in order to approximate the geometry anticipated in clinical applications. There was less recovery in cells irradiated in the ...

An accelerating effect was previously found for x irradiation in total- body exposure to 400 r in mice made amyloidotic with caseinate injections. Results are presented from investigations with the use of lead-shielding of the surgically exteriorized spleen or of the body (only the spleen trradiated) under 400 r irradiation of ...

JANNUS (Joint Accelerators for Nano-Science and Nuclear Simulation) is a project designed to study the modification of materials using multiple ion beams and in-situ TEM observation. It will be a unique facility in Europe for the study of irradiation effects, the simulation of material damage due to irradiation and in particular of ...

The radio-frequency quadrupole (RFQ) linac structure is being developed for the acceleration of low-velocity ions. Recent experimental tests have confirmed its expected performance and have led to an increased interest in a wide range of possible applications. The general properties of RFQ accelerators are reviewed and beam dynamics simulation results are ...

The cryogenic thermometers used in superconducting accelerators must function in very adverse environments. Typical conditions are a temperature range of 1.5--300 K, high irradiation doses and magnetic fields which must be endured for the 20 to 50 year life of the accelerator. The authors determined the principal requirements for ...

Particle accelerators have evolved over the last 50 years from simple devices to powerful machines, and will continue to have an important impact on research, technology and lifestyle. Today they cover a wide range of applications, from television and com...

The National Cancer Institute is supporting a program of accelerator development at the Los Alamos Scientific Laboratory aimed at the extension of proton linac technologies to produce the most suitable Pion Generator for Medical Irradiations (PIGMI). An o...

Laser irradiated targets are ablatively accelerated to velocities near those required for fusion pellet implosions while remaining relatively cool and uniform. The target velocities and velocity profiles are measured using a double-foil method, which is d...