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261,767 Matching Results

Start Over Access Open Access Decade 1950-1959 Language English

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Results: 1 - 24 of 261,767 next
Best Match Title Creator Date Created (Newest) Date Created (Oldest) Date Added (Newest) Date Added (Oldest)
1-(4, 4'-Dinitrodiphenylmethyl)-Piperidines; 1-(4-Nitrobenzyl)-and 1-(4-Nitrobenzoyl)-Piperdines (open access)

1-(4, 4'-Dinitrodiphenylmethyl)-Piperidines; 1-(4-Nitrobenzyl)-and 1-(4-Nitrobenzoyl)-Piperdines

This study experiments with the methods of 1-(4, 4'-Dinitrodiphenylmethyl)-Piperidines; 1-(4-Nitrobenzyl)-and 1-(4-Nitrobenzoyl)-Piperdines.
Date: 1953
Creator: Sammons, George D.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
1. K+ Charge Exchange - Search For K+ Charge Exchange (open access)

1. K+ Charge Exchange - Search For K+ Charge Exchange

An experiment was designed utilizing a charge-exchange reaction to study the decay and interactions of the neutral K mesons produced. The experiment produced no events that could be interpreted as either the decay or interaction of neutral K mesons. The nature of the experiment and the possible explanations of this unexpected result are presented in this paper.
Date: July 29, 1959
Creator: Birge, Robert W.; Courant, Hans J.; Lanou, Robert E., Jr. & Whitehead, Marian N.
Object Type: Report
System: The UNT Digital Library
1. Summary of Runs, s56, 57, 73, 74, 78, 79, 80, 87, 88, 89 in Which Slurries Circulated at 300 C in 100-a Loops Caked or Accumulated on Pipe Walls. 2. Summary of Runs T-52 Through T-75 in Which a Bypass Line Was Used in Parallel With Main Circulating Loop (open access)

1. Summary of Runs, s56, 57, 73, 74, 78, 79, 80, 87, 88, 89 in Which Slurries Circulated at 300 C in 100-a Loops Caked or Accumulated on Pipe Walls. 2. Summary of Runs T-52 Through T-75 in Which a Bypass Line Was Used in Parallel With Main Circulating Loop

None
Date: November 16, 1956
Creator: Kitzes, A. S.; Gallaher, R. B.; McLaughlin, C. A. & Wichner, R. P.
Object Type: Report
System: The UNT Digital Library
[3.5% dividends]

[3.5% dividends]

Photograph of a poster with drawings of coins on it, a small coin has "3 1/2%" written on it, and a large coin in the middle has "dividends" written on it. Behind those two coins are more with dollar signs on them. The poster is attached to a large, dark canvas.
Date: January 19, 1959
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Photograph
System: The UNT Digital Library
[3 Alarm Fire at 600 Block of 1st Street]

[3 Alarm Fire at 600 Block of 1st Street]

Photograph of a two story wooden building with much of the second story destroyed by fire.
Date: June 19, 1957
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
[3 Alarm House Fire at 600 Block of 1st Avenue]

[3 Alarm House Fire at 600 Block of 1st Avenue]

Photograph of a wooden house with the second story mostly destroyed by fire.
Date: June 19, 1957
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
3 Car Wreck

3 Car Wreck

Photograph of a three car wreck at 2nd & Davis Street, Taylor. Anna Turner, Taylor Negro, being removed from car following wreck. July 15, 1957.
Date: 1957
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
3 Plant Radiation Study Interim Report #5- Part II Data on Gamma Shielding of Special Plutonium Samples (open access)

3 Plant Radiation Study Interim Report #5- Part II Data on Gamma Shielding of Special Plutonium Samples

The calculation of shielding the thickness for plutonium is complicated by the many different energies represented in the gamma radiation emitted during decay of the plutonium isotopes. Dose rate predictions are also frequently confused by gamma from varying content of fission product impurities in the plutonium, as well as other gamma radiation induced through alpha and neutron particle absorption within the source material or its environment. After assumptions are made for these many factors the radiation data for shielding determination is still frequently inadequate because of wide variations in dose rates resulting from self-absorption. The degree if self-shielding is in turn dependent on nature of the plutonium compound, degree of compactness, weight, and over-all geometrical distribution of the source material. By preparing a variety of plutonium samples representing combinations of these varying factors, actual dose rates and gamma spectra, as obtained from them, can then be extrapolated for application to specific situations.
Date: October 22, 1959
Creator: Moulthrop, H. A.
Object Type: Report
System: The UNT Digital Library
[4 Alarm Rooftop Fire]

[4 Alarm Rooftop Fire]

Photograph of firemen dressed in dark coats with helmets scaling a brick wall to survey the smoking damage.
Date: November 14, 1950
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
4-Channel Line Driver: Modified

4-Channel Line Driver: Modified

Technical drawing of line drivers and amplifiers for use in nuclear reactors.
Date: 1950?
Creator: Titterton, E. W.
Object Type: Technical Drawing
System: The UNT Digital Library
[4-H Club Style Show]

[4-H Club Style Show]

Photograph of a girl in a dress smiling while walking down stairs from a stage. Next to her is a floral arrangement in the shape of the 4-H logo.
Date: May 1956
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
4-H Dancers

4-H Dancers

Photograph of a group of young girls posing for the camera in front of a curtain backdrop. They are wearing traditional Danish costumes, which consists of a pointed hat with ribbon attachments, a vest-like bodice tied across their bust, and a tied apron over a full skirt with horizontal stripes running across the bottom of the skirt. On the back row, from left to right, the girls have been identified as Jane Laustrup, Neva Bram, Peggy Bram, Sharon Krag, and Annette Waldman. On the front row, from left to right, they have been identified as Carolyn Lauritsen, Sharon Roberts, Beverly Waldman, and Eleanor Berndt. Hand-written text on the back of the photograph lists their names again, and a secondary, upside down blue line of text reads, "Danish Dancers, Return to Lillian Roberts".
Date: 1950/1959
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
4-H Dancers

4-H Dancers

Photograph of a group of young girls posing for the camera in front of a curtain backdrop. They are wearing traditional Danish costumes, which consists of a pointed hat with ribbon attachments, a vest-like bodice tied across their bust, and a tied apron over a full skirt with horizontal stripes running across the bottom of the skirt. On the back row, from left to right, the girls have been identified as Jane Laustrup, Neva Bram, Peggy Bram, Sharon Krag, and Annette Waldman. On the front row, from left to right, they have been identified as Carolyn Lauritsen, Sharon Roberts, Beverly Waldman, and Eleanor Berndt. Hand-written text on the back of the photograph lists their names again, and a secondary, upside down blue line of text reads, "Danish Dancers, Return to Lillian Roberts".
Date: 1950/1959
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
4-H Girls in Danish Costumes

4-H Girls in Danish Costumes

Copy negative of a group of 4-H girls dressed in Danish costumes, dancing around a Christmas tree in the Danevang Community Hall, located in Wharton County. Eight young girls are wearing dresses and hats, and they are holding hands with each other.
Date: December 1958
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
[4-H Group]

[4-H Group]

Photograph of a group of girls of various ages in a field, with some of them holding booklets with the 4-H logo on the covers.
Date: March 1958
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
[4-H Members]

[4-H Members]

Photograph of a girl sitting at a desk and reading a book with the 4-H logo on the cover, and a boy standing behind her looking over her shoulder.
Date: February 1958
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
4-X program: UO{sub 3} plant expansion (open access)

4-X program: UO{sub 3} plant expansion

None
Date: September 16, 1954
Creator: Ingalls, W. P.
Object Type: Report
System: The UNT Digital Library
[5 Alarm Fire at 4810 East Side]

[5 Alarm Fire at 4810 East Side]

Photograph of a charred building with two ladders leading to the rooftop.
Date: March 1, 1959
Creator: unknown
Object Type: Photograph
System: The Portal to Texas History
THE (5-PHENYL-2-OXAZOLYL)PYRIDINES AS FLUORESCENT pH INDICATORS. AN APPLICATION TO CHEMICAL RADIATION DOSIMETRY (open access)

THE (5-PHENYL-2-OXAZOLYL)PYRIDINES AS FLUORESCENT pH INDICATORS. AN APPLICATION TO CHEMICAL RADIATION DOSIMETRY

The three isomeric (5-phenyl-2-oxazolyl)pyridines have been shown to be sensitive fluorescent pH indicators which show a pronounced change to increased visible fluorescence as the pH is lowered. Absorption and fluorescence spectral data and pK values are given. Selective excitation of fluorescence from the conjugate acid in the presence of the free base was found possible. The sensitivity of the 4-isomer was demonstrated to be adequate for determining the small amounts of acid produced in certain chemical dosimeter systems. (auth)
Date: August 1, 1958
Creator: Ott, Donald G.
Object Type: Report
System: The UNT Digital Library
6.70 EV Resonance in U²³⁸ (open access)

6.70 EV Resonance in U²³⁸

"Using the Brookhaven fast chopper, transmission curves were obtained for the 6.70 +/- .06 ev resonance in U238 using four different thicknesses of natural uranium metal." The measurements for the transmission curves are summarized in the table provided.
Date: November 9, 1953
Creator: Levin, Jules S.
Object Type: Report
System: The UNT Digital Library
7 questions to ask when you buy or sell shelled corn by grade. (open access)

7 questions to ask when you buy or sell shelled corn by grade.

An explanation of corn grade requirements. Factors include insects, odors, moisture, weight-per-bushel, cleanliness, damaged kernels, and color.
Date: February 1952
Creator: United States. Extension Service.
Object Type: Book
System: The UNT Digital Library
[The 7 Seas Remoulade Sauce advertisement]

[The 7 Seas Remoulade Sauce advertisement]

Photograph of an easel holding a slide that reads "The 7 Seas Remoulade Sauce" with an illustration of a man holding a telescope on an island looking at a ship. Behind the easel is a large door to the left of the camera with text that reads "The Mosler Safe Co." There is an object to the bottom right of the image.
Date: February 1, 1951
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Photograph
System: The UNT Digital Library
[The 7 Seas Remoulade Sauce advertising]

[The 7 Seas Remoulade Sauce advertising]

Photograph of an easel holding a slide that reads "The 7 Seas Remoulade Sauce" with an illustration of a pirate with a sword on an island. A ship is visible in the background. Behind the easel is a large door to the left of the camera with text that reads "The Mosler Safe Co." There is an object to the bottom right of the image.
Date: February 1, 1951
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Photograph
System: The UNT Digital Library
An 8 Classroom Addition to an Elementary School for Abilene Independent School District, Abilene, Texas: Floor Plans

An 8 Classroom Addition to an Elementary School for Abilene Independent School District, Abilene, Texas: Floor Plans

Floor plans for Abilene Independent School District in Abilene, Texas. They feature wall edge lines, measurements, and labels.
Date: May 15, 1957
Creator: David S. Castle Co.
Object Type: Technical Drawing
System: The Portal to Texas History