Lucite, 413 Table

It is the preferred method where speed is not essential — but when the number of samples to be analyzed is large, multiple sample irradiation on the lucite wheel. with single-axis rotation is used. The precision of this latter technique for six plant samples of Octol is shown in Table 2a. 

A stable setup for oocyte recording is essential for the proper acquisition of electrical currents. The oocyte bath is placed under a microscope on a vibration isolation table (e.g., Micro-g, Technical Manufacturing Corporation, Peabody, MA) to dampen mechanical vibrations that can lead to a less stable voltage clamp and therefore electrical noise. The bath chamber is a hollowed groove in a small block of Lucite, partially filled with a sihcone elastomer (e.g., Sylgard, Dow Corning) to provide a smooth bed surface on which the oocyte can be deposited prior to impalement with the recording electrodes. 

Jaffe et al (Ref 3), in the course of determination of the shock pressure required to initiate detonation of an acceptor in the shock sensitivity test, found that the velocity of the front as sensed by the pressure probe method, falls behind the true velocity of the shock front as the shock is attenuated. It has also been found that the maximum transmitted shock velocity generated by the two Tetryl pellets and measured in Lucite is 4.6mm/frsec. Shock velocities determined by optical method, shown in Table 3, p 25, run between 2.701... 

A number of carbon samples were dispersed with tannic acid by the above technique and applied to Dacron felt patches suitable for use in demineralization cell DC-1. The resistances of these patches, as determined on the Lucite resistance block, were much less than patches made from undispersed material (Table III). Demineralization studies on a few of these patches are presented elsewhere in this report. 

Structural properties. The structure of metallic films can be conveniently determined using x-ray diffraction with a surface reflection pinhole technique in a vacuum camera as indicated in Fig. 20. This device resulted from extensive efforts to develop a camera that could be used to determine the surface orientation of thin metal films with a minimum of manipulation of the instrument, of exposure time and of calculation required to obtain the data on orientation from the diffraction pattern. The film (6) mounted with a Lucite spacer (7) onto the turn table (8) is activated by the shaft (10). The beam (3) enters through the... 

We performed calibration tests for three low-impedance wedge materials, polyetherimide, acrylic (Lucite), and polystyrene. Table 5-4 lists the liquids used for the calibration tests note that all of the liquids have similar densities but vary in viscosity. The calibration results are shown in Fig. 5-40, which reveals that Lucite is the best of the three as a wedge material for measuring viscosity. However, all of the measured viscosities are lower than their expected values. The discrepancies may be attributed to non-Newtonian fluid behavior, surface wetting, and poor sensitivity. 

Break the test tube carefully in a waste container, and describe in TABLE 32.1A1 how Lucite compares with the starting material. Test the solubility of Lucite in water, and drop a piece of it on your desktop to see if it shatters easily. Describe your results in TABLE 32.1A1. 

Grasp a piece of Lucite with crucible tongs, and warm it gently above a Bunsen burner flame. Describe what happens in TABLE 32.1A1. Heat the Lucite more intensely, and describe what happens in TABLE 32.1A1. 

Critical loadings were measured with several combinations of lucite rods in vacant lattice locations, beryllium inserts, internal water, neutron-poison annuli at the corereflector iiderfhce and ammonium pentaborate in the water supply. A few of these configurations and fuel loadings are listed in Table I. 

X 10 cm and the effective extrapolation lengths recorded in Table I. It is of interest to note the dependence of on the base dimensions. A least-squares analysis of this variation leads to an infinite slab thickness of 5.24 . 09 cm with 7.16 . 09 cm when reflected by Lucite and a mm-reflected slab thickness of 16.16 A 20 cm with A3U = 2.2 cm. The corresppnding infinite slab thickness for the Pu/water mixture (infinite water reflected) is 5.56 cm. This slab thickness is approximately 60 percent larger than previously reported for a Pu-239/ water mixture. ... 

Table I shows measured neutron, gamma, and total doM reduction factors at 2- and 3-m distances from the reactor for the shields used in the seventeen NAD studies. Shield and dosimeter distances are measured from the reactor vertical centerline to the front side of the shield (side facing the HPRR) and to the center of the accident dosimeter, respectively. Indicated errors represent one standard deviation about the mean of all individual dose measurements made by NAD study participants. Lucite and polyethylene shields were the most effective in reducing total and neutron doses from the simulated criticality accidents steel and graphite shields were the least effective and concrete and steel-concrete shields were similar in effectiveness at 2- and 3-m distances. The relatively low gamma dose reduction at 3 m...

The polymer solution (1200 ppm (active) Cyana-trol 950) was pumped through a Balston filter (Zji) before injecting into the core systems, as shown in Figure 1. The use of the 2 X filter was necessary to minimize injection of microgels and extremely heavy polymer molecules into the cores. All the field cores were fresh state and sealed in Lucite holders. The 1 in. diameter and 2 in. diameter cores were in contact with each other, as shown in Figure 1. Pressure drops were recorded across the face and body of the 1/4 in. diameter core, two body sections of the 1 in. diameter core, and the body of the 2 in. diameter core, as shown in Figure 1(a). Core properties are given in Table 1. 

The reactor loading was a one-slab, north-quadrant core of six fuel boxes, and contained 1.932 kg of U. The irradiation was at a power level of 100 W for 30 min. The core foils were located on a Lucite foil holder which was placed between fuel plates 8 and 9 of box 16, and the thermal column foils were in the J-8 stringer. The details are presented in Fig. SI4.1 and Table SI4.1. 

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