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Collective Thomson scattering, using a high-power pulsed D2O laser at 385-mu-m and a heterodyne receiver system, has provided local ion temperature (T(i)) measurements of the plasma in the tokamak chauffage Alfven (TCA) tokamak. Recent improvements in the ...
The sulfite oxidn. method was reinvestigated to establish a procedure for the measurement of O2 transfer coeff. (KLa). Co ion catalyzed oxidns., using buffered Na2SO3 solns., were conducted in an aerated, baffled tank which was fitted with a turbine impell ...
The study of the diffusion of longitudinal scalar order in macromols. in isotropic soln. by 2-dimensional exchange spectroscopy provides addnl. insight into cross-relaxation pathways. [on SciFinder (R)] ...
An ultrasound pulse transmission technique was studied as an alternative means of measuring the specific interfacial area (a) in gas-liq. reactors. Characterization of gas-liq. dispersions using ultrasound can be a very valuable alternative in situations i ...
The pipetting of small volumes, typically ranging between a few and one thousand microliters (μl), is widely used in many laboratories and essentially relies on air displacement to aspirate and dispense the liquid contained in a small plastic tip. While th ...
A measurement system has been developed to determine the resistance of integer quantum Hall plateaux relative to a room-temperature reference resistor network of nominally the same values. Silicon MOSFET and GaAs-AlGaAs samples have been successfully fabri ...
Institute of Electrical and Electronics Engineers1987
The equil. I2(g) + 2NO(g) = 2INO(g) was studied at room temp. by UV absorption spectroscopy. The equil. const. was measured as kp = (2.7 +- 0.3) * 10-6 atm-1 at 298 K. The 3rd-law calcns. lead to DHf(INO) of 120.0 +- 0.3 kJ/mol. The relative absorption spe ...
Time dependent and independent measurements on a subcritical multiplying medium lead to the determination of the two group diffusion constants: k, L12, L22, l01, and l02. The measured values are related to these constants through five independent expressio ...
For pt.I see ibid., vol.68, no.40 (1976). The theoretical bandwidth of 1014 hertz for optical laser communications is mentioned and contrasted with the present practical limit of 5 GHz. Glass fire properties are discussed in detail. Laser distance measurem ...
