1. |
Beryllium Windows for Permanently Evacuated X‐Ray Tubes |
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Review of Scientific Instruments,
Volume 14,
Issue 3,
1943,
Page 59-63
Howard Brackney,
Z. J. Atlee,
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PDF (344KB)
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摘要:
The properties of beryllium which make it the ideal choice of material for windows used in transmitting long wave‐length x‐rays are discussed. Diffraction x‐ray tubes of the permanently evacuated type using beryllium windows are described.
ISSN:0034-6748
DOI:10.1063/1.1770125
出版商:AIP
年代:1943
数据来源: AIP
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2. |
An Improved Current Integrator |
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Review of Scientific Instruments,
Volume 14,
Issue 3,
1943,
Page 64-67
J. Morris Blair,
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PDF (248KB)
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摘要:
An improved integrator circuit for measuring the ion beam current used in nuclear research is described. A condenser is allowed to be charged and upon reaching a definite potential is discharged through a thyratron tube. This action is brought about at the proper point by a trip circuit composed of two pentode tubes. The potential between the thyratron cathode and the trip circuit is accurately controlled by a voltage regulator network. The action of the circuit proves to be quite linear over a wide range of currents and rates of operation.
ISSN:0034-6748
DOI:10.1063/1.1770126
出版商:AIP
年代:1943
数据来源: AIP
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3. |
Geiger‐Mueller Counter Pulse Size |
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Review of Scientific Instruments,
Volume 14,
Issue 3,
1943,
Page 68-76
Carlton W. Miller,
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PDF (405KB)
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摘要:
A description is presented of the equipment for the measurement of the pulse size from Geiger‐Mueller counters, and the results are given for the gas mixtures 90 percent He 10 percent H2, 90 percent Ne 10 percent H2, 90 percent A 10 percent H2, 100 percent H2, and 90 percent A 10 percent O2for pressures from 2 to 30 cm of mercury, and for a mixture of 9.7 cm of argon and 1.2 cm of ethyl alcohol.
ISSN:0034-6748
DOI:10.1063/1.1770127
出版商:AIP
年代:1943
数据来源: AIP
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4. |
Contributed Points of View |
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Review of Scientific Instruments,
Volume 14,
Issue 3,
1943,
Page 77-79
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ISSN:0034-6748
DOI:10.1063/1.1770130
出版商:AIP
年代:1943
数据来源: AIP
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5. |
New Instruments |
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Review of Scientific Instruments,
Volume 14,
Issue 3,
1943,
Page 80-81
W. A. Wildhack,
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PDF (155KB)
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ISSN:0034-6748
DOI:10.1063/1.1770131
出版商:AIP
年代:1943
数据来源: AIP
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6. |
New Materials |
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Review of Scientific Instruments,
Volume 14,
Issue 3,
1943,
Page 81-82
Forest K. Harris,
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PDF (154KB)
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ISSN:0034-6748
DOI:10.1063/1.1770132
出版商:AIP
年代:1943
数据来源: AIP
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7. |
Regulations and Releases |
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Review of Scientific Instruments,
Volume 14,
Issue 3,
1943,
Page 82-83
George H. Burnham,
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PDF (146KB)
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ISSN:0034-6748
DOI:10.1063/1.1770133
出版商:AIP
年代:1943
数据来源: AIP
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