84,189 Result(s)
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Chapter
**-** Wang
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Chapter and Conference Paper
Hydrocarbon-Oxygen Systems Solubility
The solubilities of hydrocarbons in liquid oxygen and the phase behavior of hydrocarbon-oxygen systems have substantial theoretical and practical interest. The data presented in this paper indicate progress in...
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Chapter and Conference Paper
Vapor-Liquid Equilibrium Studies on the System Argon-Oxygen
Vapor-liquid equilibrium for tke system argon-oxygen is of considerable importance in the low temperature separation of air constituents. The system in question has been studied by a number of authors, for exa...
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Chapter and Conference Paper
Characteristics and Applications of Some Superinsulations
When we began, about 8 years ago, to work specifically on exceedingly high-quality insulations, the best commercially available insulating systems consisted of powders such as perlite or Santocel in vacuum, ha...
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Chapter and Conference Paper
Solid—Vapor Equilibria of the Oxygen—Hydrogen System
The handling hazard associated with the potential explosibility of mixtures of solid oxygen with high-pressure gaseous hydrogen provided the incentive for the phase equilibria and thermodynamic study which is ...
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Chapter and Conference Paper
General Cryopum** Study
A great deal of enthusiasm has been generated in recent years over the attainment of ultrahigh vacuums by immobilizing or freezing gas molecules onto a cold surface in a closed system. This interest is mainly ...
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Chapter and Conference Paper
The Effect of Incremental Loading on Creep Behavior of Metals
In structural analysis it is of basic importance to know whether small deviations (in stress and strain) from a basic state obey a linear visco-elastic law for a given metallic material. The paper starts with ...
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Chapter and Conference Paper
Cold Diffusion Pump
A major problem of space simulation is the generation and maintenance of high vacua. For large space chambers the diffusion pump requirements would become excessive if it were not for cryopum** of condensabl...
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Chapter and Conference Paper
Cryopum** in the Near Free-Molecule Flow Region
Fluid mechanics can be analytically separated into the three flow regions—continuum, transition and free-molecular--by use of the Knudsen number Kn (the ratio of the mean free path to a characteristic body dim...
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Chapter
Metabolism Studies by Radiorespirometry
Many of the recent advances in the area of carbohydrate catabolism can be credited to the use of radiotracer methods. Although some tritium-labeled compounds have been used for these studies, the majority of r...
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Chapter
Enzymes of Synthesis of Purine and Pyrimidine Nucleotides
The biosynthetie pathways of the nucleotides of purines and pyrimidmes have been recently elucidated and soundly established. Schemes of the pathways of these groups of compounds are shown in Figs. 1,2. Enzyme...
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Chapter
Coordinated Design of Radioisotope Laboratories
Recent advances in the use of radioisotopes as a research tool have broadened the scope of the field and have created the need for specially designed laboratories to handle more hazardous operations. Although ...
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Chapter and Conference Paper
Multishielding—An Advanced Superinsulation Technique
This paper describes a new technique for greatly reducing the evaporation from multiple-layer-insulated dewars, especially those containing helium or hydrogen. This is done by using the refrigeration of the es...
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Chapter and Conference Paper
Capture Coefficients of Gases at 77°K
The rate of im**ement of molecules on a cryosurface for any gas in the free molecular region can be calculated from kinetic theory. However, the actual pum** speed must be measured experimentally since all...
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Chapter and Conference Paper
The Effect of Methotrexate in Trophoblastic Diseases
Eleven patients with malignant trophoblastic neoplasia, six with choriocarcinoma and five with hydatidiform mole (three of them with invasive mole) were treated with methotrexate at a dose of 17.5–25 mg/daily ...
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Chapter
Drug Effects on Dieldrin Storage in Rat Tissue
The accumulation of certain insecticides or their metabolites in the animal body following the consumption of contaminated feed is one of the greatest detriments to the use of insecticides in the production of...
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Chapter
Universal Solutions for Incompressible Laminated Bodies
A theory of inhomogeneous simple bodies has been proposed recently by Noll [1] and Wang [2]. In this paper, we apply that theory to a class of inhomogeneous incompressible isotropic bodies, called laminated bodie...
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Chapter and Conference Paper
On the Geometric Structure of Simple Bodies, a Mathematical Foundation for the Theory of Continuous Distributions of Dislocations
This paper consists of three major parts. In part 1, I introduce the concept of a materially uniform simple body. My basic hypotheses concerning such bodies are three
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Chapter
On the Geometric Structures of Simple Bodies, a Mathematical Foundation for the Theory of Continuous Distributions of Dislocations
There is a large literature1 in continuum mechanics on the mathematical representation of the mechanical response of material particles. In the physical world, of course, material particles present themselves in ...
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Chapter and Conference Paper
Raman Study and the Evolution of Order in NH4 Br at the λ Transition
NH4Br is known to experience a λ-type phase transition from a disordered cubic (CsCl structure) to an ordered tetragonal structure at Tλ = 235°K[1]. Above Tλ the NH4 + ions are randomly distributed ...
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Chapter
Application of X-Ray Topography to the Characterization of Semiconductor Surface Layers
Many of the physical properties of solids depend to a significant extent on the perfection of the surface-layer structure, and x-ray studies provide valuable information about structural perfection both in bul...
