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Using a Mechrolab Vapor Phase Osmometer and a Hallikainen Automatic Membrane Osmometer the number-average molecular weight of two samples of dimethylpolysiloxane - 2300 and 8000 cstk - as well as samples made by mixing the two previously mentioned materials were determined.

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This report describes research, development, support, and test activities in the Sandia Laboratory Aerospace Nuclear Safety Program for August 1968.

This report talks about Amended calibration data for XE-2 gamma heating rate sensors (TE882 A, TE884 A, TE885 A, and TE886 A)

This report is about the Classical Dynamics of Triatomic Systems which is divided into three parts.

The authors calculate the branching ratio {Lambda}(P {yields} {ell}{sup +}{ell}{sup -})/{Lambda}(P {yields} {gamma}{gamma}) to lowest contributing order in quantum electrodynamics, with a vector meson model for the pseudoscalar meson form factor. They treat the processes {eta} {yields} {mu}{sup +}{mu}{sup -}; {eta} {yields} e{sup +}e{sup -}; K{sub 2}{sup 0} {yields} {mu}{sup +}{mu}{sup -}; K{sub 2}{sup 0} {yields} e{sup +}e{sup -}; {pi}{sup 0} {yields} e{sup +}e{sup -}. Results are compared with those of previous calculations.

This report details Douglas United Nuclear, Inc. activities during the month of August 1968.

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The Radiation Monitoring System must provide necessary measurement s , and records of radiation levels and concentrations of radioactivity to verify compliance t o recognized standards . In addition, the Radiation Monitoring System will provide control signals as required by other systems, The Radiation Monitoring System will provide the following: Airborne particulate; Gamma and neutron activity monitors; Liquid monitors; Radioactive gas monitors; Criticality monitors; Laboratory Analysis equipment. Included are functions and design requirements, a physical description of the system, safety considerations, principles of operation, and maintenance principles.

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This report provides miscellaneous information related to the KW Reactor incidents to September 25, 1968.

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In this sixth semiannual issue, the reactor and power data are shown for the six-month period January through June, 1968 (except for B Reactor which is shown for January and February only because of deactivation at 0200 hours on February 12, 1968), together with data for the three preceding six-month periods. For comparison purpose the two years of experience will continue to be shown by dropping and adding a six-month period with each semiannual issue.

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