You limited your search to:

  Partner: UNT Libraries Government Documents Department
 Decade: 1940-1949
 Language: English
Material balance flowsheet Redox Production plant

Material balance flowsheet Redox Production plant

Date: June 6, 1949
Creator: Tomlinson, R.E.
Description: The attached material balance flowsheet for the proposed Redox Production plant is based on the two chemical flowsheets submitted by R.B. Richards of the Technical Division in HW 13,320 (INDC-3130) and HW 13,452 (INDC 3176). Production rates for the plant have been assumed as 2.5 short tone U per day (including a maximum of 0.75 short tons of U from stored Bi PO{sub 4} waste) and 19 kg. Pu per month (633 gms/day) as established by the Redox Committee. The flowsheets for preparation of solvent extraction feed from Bi PO{sub 4} waste, as well as the waste treatment systems will be covered in a future document.
Contributing Partner: UNT Libraries Government Documents Department
July 16th nuclear explosion: Permanent earth displacement

July 16th nuclear explosion: Permanent earth displacement

Date: October 3, 1945
Creator: Reines, F.
Description: A measurement was made of the permanent earth movement in the neighborhood of the tower caused by the nuclear explosion at Trinity. The crater was apparently formed by a compression phenomenon and was noted to be much shallower than craters formed by ordinary high explosives. Scaling up existing information on the radius of craters, the TNT equivalence of the nuclear bomb is given as 10,000 tons to within 50 percent. Observations were made on the damage in the crater region and suggestions are given as to the nature of structure which might be expected to withstand the blast close to the gadget. It is also noted that, despite previous opinion to the contrary, it is apparently possible to reduce greatly the volume of earth blown away by the blast by suitably protecting the ground.
Contributing Partner: UNT Libraries Government Documents Department
Summary of research of the section on pharmacology. Progress report for December 1944

Summary of research of the section on pharmacology. Progress report for December 1944

Date: December 31, 1944
Creator: Hodge, H.C.
Description: Various studies relating the biological and behavioral effect of several uranium fluorides and chlorides as well as fluorine and oxyflourides are related. Most of these studies involved rats, guinea pigs, rabbits or dogs. Route of administration included inhalation, ingestion, or application to the skin.
Contributing Partner: UNT Libraries Government Documents Department
Monthly health information report, August 1--31, 1948

Monthly health information report, August 1--31, 1948

Date: December 31, 1948
Creator: Bradley, J.E.
Description: This document presents details about health concerns resulting from the activities of the Mound Laboratory during the month of August 1948.
Contributing Partner: UNT Libraries Government Documents Department
Process Section progress report, April 1--30, 1948

Process Section progress report, April 1--30, 1948

Date: December 31, 1948
Creator: Scott, D.L.
Description: The Process group reports that material processing is on schedule and that process laboratories 2 and 3 are being overhauled. The Electrodeposition group reports that they are on schedule but that they are somewhat handicapped due to a lack of coveralls. Administration reports that Site W schedules have been prepared.
Contributing Partner: UNT Libraries Government Documents Department
Shielded room measurements, Final report

Shielded room measurements, Final report

Date: February 22, 1949
Creator: Stanton, J.S.
Description: The attenuation of electro-statically and electro-magnetically shielded rooms in the ``E,`` ``R,`` ``I,`` and ``T`` Buildings was measured so that corrective measure could be taken if the attenuation was found to be low. If remedial measures could not be taken, the shortcomings of the rooms would be known. Also, the men making the measurements should oversee construction and correct errors at the time. The work was performed by measuring the attenuation at spot frequencies over the range of from 150 kilocycles to 1280 megacycles with suitable equipment mounted in small rubber-tried trucks. The attenuation was determined by ``before and after`` shielding and/or ``door open and door closed`` measurements after installation of copper shielding. In general, attenuation in the frequency range of approximately 10 to 150 mc. was good and was of the order expected. At frequencies in the range of 150 mc. to 1280 mc., the attenuation curve was more erratic; that is, at certain frequencies a severe loss of attenuation was noted, while at others, the attenuation was very good. This was mainly due to poor or faulty seals around doors and pass windows. These poor seals existed in the ``T,`` ``E,`` and ``I`` Buildings because the doors were ...
Contributing Partner: UNT Libraries Government Documents Department
Electronics progress report, March 1--31, 1949

Electronics progress report, March 1--31, 1949

Date: December 31, 1949
Creator: Heyd, J.W. & Ohmart, P.E.
Description: With the completion of tests of the prototype cathode-follower, it was decided to produce three more models. These have been constructed and pass the same pulse as that of the prototype. Drawings are being made of these units. By the time these units had been completed, the amplifier of the scaler was modified so that its frequency response was essentially flat up to 4.5 megacycles. Using this amplifier and the cathode-follower, a study of the pulse shapes was made and four different pulse shapes were found to be obtainable. A band pass network between the B-wall tube and the input of the cathode-follower provided a very substantial improvement over the shunt peaking network with a band pass of 1.8 to 6.5 megacycles and provided clean, uniform pulses. Plans are being made to experiment with a filter of narrower band pass, which, if satisfactory, will produce greater amplitude. When the final band pass has been determined, a combination of shunt peaking and band pass networks should provide a net gain of 30% in amplitude. The result of this research is to provide an immediate improvement in resolution loss and a possibility of realizing a still lower minimum resolving time when the ...
Contributing Partner: UNT Libraries Government Documents Department
Neutron source progress report

Neutron source progress report

Date: December 1, 1948
Creator: Richmond, J.L.
Description: In this report progress is reported on the production of the postum-beryllium neutron sources and the postum-fluoborate neutron sources. A brief discussion is given for each. Results are given of the efficiency of the postum-fluoborate source and its comparison with Std. 9 and Al-1. This source was shipped to Los Alamos on December 16, 1948.
Contributing Partner: UNT Libraries Government Documents Department
Laboratory instrument design progress report, November 1--30, 1948

Laboratory instrument design progress report, November 1--30, 1948

Date: December 31, 1948
Creator: Olt, R.G.
Description: Progress is reported on the following projects: Quartz-fiber microbalance research, quartz-fiber construction and maintenance, design of multiple stirrer plating unit, and design of rotating stage for foil photography.
Contributing Partner: UNT Libraries Government Documents Department
The excretion of hexavalent uranium following intravenous administration. II, Studies on human subjects

The excretion of hexavalent uranium following intravenous administration. II, Studies on human subjects

Date: June 25, 1948
Creator: Bassett, S.H.; Frankel, A.; Cedars, N.; VanAlstine, H.; Waterhouse, C. & Cusson, K.
Description: Tracer studies employing uranium enriched in the isotopes U{sup 234}, U{sup 235} have been carried out in six human subjects; four males and two females. The uranium, 6 micrograms to 70 micrograms per kilogram of body weight was given intravenously in the hexavalent state as uranyl nitrate. Each individual of the series received a single injection of the metal except for one who was given two widely spaced doses. The first of these was when his condition was normal and the second after an acidosis had been produced by ingestion of ammonium chloride. Renal function tests including urinary catalase, protein, amino N to Creatinine N ratio and clearances of mannitol and p-aminohippurate were done before and after administration of uranium. Only at the 70 microgram per kilogram level in Subject 6 was there a slight rise in urinary catalase and protein suggesting that tolerance had been reached. The excretion of uranium was mainly in the urine, where from 70 to 85% of the administered dose appeared in the first twenty-four hours. Urine of the second twenty-four hours contained about 4% and the third twenty-four hour urine, 1.5% of the administered dose. Detectable amounts were excreted for at least two weeks.
Contributing Partner: UNT Libraries Government Documents Department
FIRST PREV 1 2 3 4 5 NEXT LAST