2. Highlights of the research program-Continued 2.1. Physics, electronics, and measurement standards-Continued 2.1.3. Electricity. Absolute measurements. Impedance of dry cells. Battery depolarizers at high temperatures Zener diodes as voltage standards. Membrane potentials in fused salts . Magnetism.. Dielectric behavior of liquids and supercooled liquids at ele vated pressures. Precision measurement of the dielectric constant of solid bodies. Theoretical studies on dielectrics.. Chain-folding in polymer crystals. Dielectric properties of polymers. Dielectric properties of dipolar chain compounds. Microwave absorption in compressed gases. High voltage. 2.1.4. Radio standards. Theoretical physics. Radio standards physics. Fort Collins standard radio transmitting site. Atomic frequency standard research. Quantum electronics.. Radio and microwave materials. Automatic thermocouple comparator. Thermodynamic properties of light-element compounds. Computer analysis of low-temperature heat-capacity data. Thermal diffusivity standards. Microwave spectroscopy. Nuclear orientation.. Shock wave reaction kinetics . Thermodynamic properties of gases at high temperature. Page 44 44 45 46 46 46 47 47 48 49 49 50 50 50 50 51 52 52 53 53 53 54 55 56 56 57 57 57 57 58 58 59 59 59 60 62 64 65 65 66 66 67 68 69 69 69 69 70 71 71 74 74 76 Absorption spectra of solids. 76 Solid state physics. 76 Electron opties. 77 2. Highlights of the research program-Continued 2.1. Physics, electronics, and measurement standards-Continued 2.1.7. Radiation physics-Continued Response of silicon charged particle detectors at low temper atures. Radioactive sources. Scattered spectrum of water-shielded sources. Standards of radioactivity.. Radiation interaction with matter. Radiation interaction with nuclei. The interaction of bremsstrahlung with alined nuclei. Nuclear matter distributions as determined from neutral meson photoproduction. Neutron time-of-flight techniques. Particle interaction theory.. Page 80 80 80 80 82 82 82 82 84 85 Preparations for new linear accelerator. Linear accelerator theory. High-current beam-handling problems. Equipment for use with Linac.. Resonance physics. 85 85 Heavy-ion source for magnet-optic studies. Data-logging and data-handling system for the linear 86 86 86 86 87 88 89 99 Plasma physics, statistical physics, and aerodynamics. Data center on atomic collision cross sections. 2.2. Chemistry and properties of materials. 2.2.1. Analytical and inorganic chemistry. High-temperature microwave spectroscopy. Enolization and isomerization reactions of reducing sugars. Cryogenic surface chemistry... Shock-wave studies of unimolecular reactions. 96 96 96 97 97 97 97 98 99 99 99 2. Highlights of the research program-Continued Structural studies of materials under high pressures. 2.2.4. Metallurgy.. Metal fatigue investigated in aluminum alloys. Effect of applied current on aluminum corrosion. Standard samples. Equilibrium diagrams developed. Experimental alloy demonstrates usefulness. Steel pilings inspected. Page 106 108 108 109 109 110 110 110 111 111 111 112 112 112 Correlation effects for impurity diffusion. Electron microanalysis provides basic data. 112 112 Quantitative metallography derived with computer. Anisotropic effects studied in a cubic alloy.. X-ray diffraction employed for crystal structure studies. Dislocations in metals investigated.. Kinetics of whisker growth and evaporation. Properties of electrodeposited copper Ethylene-propylene copolymers analyzed. Bitumen content in expansion joint fillers readily determined.. Color tests devised for antioxidants in synthetic rubbers. Point-projection X-ray microscopy used to study polymers. . Structural transformations observed in polymers at high pres 116 116 117 117 117 Failure phenomena of fibers studied at high impact velocities.. 120 Radiation-induced polymerization under high pressure. 122 Fluoroaromatic polymers prepared. 123 High-energy radiation effects on polymers. 123 Thermal stability of coordination polymers investigated. 124 Stereoregular polyacenaphthylene produced 124 Polymer adsorption.. 124 Molecular weight standards for polystyrene. 124 Structure and strength of teeth. 125 2. Highlights of the research program-Continued 2.3. Special technical service programs Continued 2.3.1. Applied mathematics-Continued Operations research. New computer facilities at Boulder Laboratories. 2.3.2. Data-processing systems.. Research information center. Management data processing. Automatic mail-sorting developments. 2.3.3. Instrumentation. Failure anticipation by semi-automatic techniques. Hall effect measurements. Vacuum physics. A photoelectric ratio-measuring system for incident light. Electromechanical transducers. Proportional temperature controllers.. Hygrometry. Ionosphere research and propagation. Page 130 131 131 131 132 132 133 134 135 136 138 138 140 140 141 141 142 142 143 143 144 145 145 146 146 146 Geomagnetic micropulsations and infrasonic pressure waves. 2. Highlights of the research program-Continued 2.3. Special technical service programs-Continued 2.3.4. Radio propagation-Continued Radio Systems-Continued Applied electromagnetic theory at frequencies below 300 Page 166 Optical communication studies. 167 Upper atmosphere and space physics . 167 Jicamarca Radar Observatory. 167 Digital control and correlation system for the Jicamarca 169 Studies at magnetically conjugate points. 170 Continuous observations of VLF emissions. 170 Resonant characteristics of a corrugated sphere. 175 Influence of a sector ground screen on the field of a vertical antenna.. 176 The theory of an antenna over an inhomogeneous ground 176 Curves for groundwave propagation over mixed land and 176 Wave propagation around a curved boundary containing |