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2,460 Matching Results
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The Physician Shortage in Rural America
This report discusses the shortage of physicians in rural areas and factors which have led to the problem as well as possible solutions.
Date:
August 14, 1970
Creator:
Kline, Janet
Object Type:
Report
System:
The UNT Digital Library
Mineral Resources of the United States Continental Shelf: Some Common Questions
This report answers some frequently asked questions regarding the mineral resources of the continental shelf of the United States
Date:
August 7, 1970
Creator:
Siehl, George H.
Object Type:
Report
System:
The UNT Digital Library
Congress and the Reversion of Okinawa
This report discusses the agreement between President Nixon and Prime Minister Sato of Japan for control of the Ryukyu Island chain (of which Okinawa is the chief island) to revert to Japan in 1972. Congressional actions related to the agreement and the issue of Congressional approval for executive actions which alter existing treaties are discussed.
Date:
August 13, 1970
Creator:
Niksch, Larry A.
Object Type:
Report
System:
The UNT Digital Library
Energy Development: Selected, Annotated References, July 1969-1970
This report provides an annotated bibliography of resources related to energy development which were published between July 1969 and 1970.
Date:
August 10, 1970
Creator:
Prihods, Cheryl
Object Type:
Report
System:
The UNT Digital Library
Conscientious Objection and the Constitution: "Welsh v. United States" and Beyond
This report discusses the Supreme Court case "Welsh v. United States" which considered the question of what constituted a religious belief that merited recognition as a conscientious objector. A judicial history of cases related to conscientious objection, analysis of the "Welsh" case, and Congressional options for dealing with the question of conscientious objection requirements are included.
Date:
August 14, 1970
Creator:
Killian, Johny H.
Object Type:
Report
System:
The UNT Digital Library
Ethnic Groups and American Politics: Selected References
This report provides a bibliography of resources related to various ethnic groups influence on American politics.
Date:
August 21, 1970
Creator:
Downing, Paul
Object Type:
Report
System:
The UNT Digital Library
Magnetomorphic Oscillations in Zinc
In making this study it is important to search for ways to enhance and, if possible, make detection of MMO signals simpler in order that this technique for obtaining FS measurements may be extended to other materials. This attempt to improve measurement techniques has resulted in a significant discovery: the eddy-current techniques described in detail in a later section which should allow MMO to be observed and sensitively measured in many additional solids. The second major thrust of the study has been to use the newly discovered eddy-current technique in obtaining the first indisputable observation of MMO in zinc.
Date:
August 1970
Creator:
Waller, William Marvin
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Comparison of the Effectiveness of Two Approaches to Teaching Engineering Drafting
The problem of the study was a comparison of the relative effectiveness of two approaches to the teaching of engineering drafting.
Date:
August 1970
Creator:
Walker, Joe Wayne
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Luther Fire
Photograph taken during daylight of smoldering ruins of building. Caption: "Ruins still smolder after $300,000 fire ravaged the Luther business district." In 2018, this area on South Main Street is a park area commonly called Veteran Memorial and Freedom Center.
Date:
August 29, 1970
Creator:
Aker, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
BRANCHED ALKANES FROM BLUE-GREEN ALGAE
Branched alkanes from blue-green algae were separated on a 750 feet high resolution capillary gas chromatographic column. The mixture was found to be 90% of 1:1 ratio 7-methyl, and 8-methyl-heptadecane, and 10% of 6-methylheptadecane. An optical rotation of +2.5 {+-} 0.5 was obtained on a 5 mg of mixture.
Date:
August 1, 1970
Creator:
Han, Jerry & Calvin, Melvin.
Object Type:
Report
System:
The UNT Digital Library
The Equilibrium Length of High-Current Bunches in Electron Storage Rings
An equilibrium theory of the length of intense electron bunches circulating in a storage ring is presented. The consequence of electrical interaction with various resonant structures is expressed in terms of quadratures over the impedance of the structures, and impedance functions for a variety of elements are evaluated. It is shown that elements having resonances at high frequency can, above transition, cause bunches to increase in length with increasing current. The parametric dependence of the bunch lengthening is found to be in good agreement with observations, and numerical estimates, which are in substantial agreement with experiment, are presented.
Date:
August 7, 1970
Creator:
Pellegrini, C. & Sessler, A. M.
Object Type:
Article
System:
The UNT Digital Library
MECHANISM OF CARCINOGENESIS OF THE POLYCYCLIC AROMATICHYDROCARBONS
The carcinogenic activity of the benzo[a]pyrene 1, the 7,12-dimethylbenz[a]anthracene 2 and the 3-methylcholanthrene 3 is suggested to be determine by the electrophilic attack of the active oxygen, induced by the hydroxylating enzyme systems, on the most reactive substituting carbon atom(s). The cationic intermediate(s) with the charge mainly localized on a complementary, interrelated position(s) of the hydroxyl substituted position(s) reacts further with the cellular nucleophiles. The electrophilic nature of the ultimate chemical carcinogens constitutes the common distinctive feature that correlates their different structures and allows us to understand their carcinogenicity. The formation of a covalent bond with the nucleophiles of the biological macromolecules, nucleic acids and proteins, appears to be the essential requirement in the primary process of carcinogenesis.
Date:
August 1, 1970
Creator:
Cavalieri, E. & Calvin, M.
Object Type:
Article
System:
The UNT Digital Library
The 200 Mhz Nuclear Magnetic Resonance Analysis and the Selective Deuterodeprotonation of Benzo [a]Pyrene and 6-Methylbenzo[a]Pyrene. Probable Active Intermediates in Cancer Induction
None
Date:
August 1, 1970
Creator:
Cavalieri, E. & Calvin, M.
Object Type:
Article
System:
The UNT Digital Library
METHANE INCORPORATION BY PROCARYOTIC PHOTOSYNTHETICMICROORGANISMS
The procaryotic photosynthetic microorganisms Anacystis nidulans, Nostoc and Rhodospirillum rubrum have cell walls and membranes that are resistant to the solution of methane in their lipid components and intracellular fluids. But Anacystis nidulans, possesses a limited bioxidant system, a portion of which may be extracellularly secreted, which rapidly oxidizes methane to carbon dioxide. Small C{sup 14} activities derived from CH{sub 4} in excess of experimental error are detected in all the major biochemical fractions of Anacystis nidulans and Nostoc. This limited capacity to metabolize methane appears to be a vestigial potentiality that originated over two billion years ago in the early evolution of photosynthetic bacteria and blue-green algae.
Date:
August 1, 1970
Creator:
Norton, Charles J.; Kirk, Martha & Calvin, Melvin
Object Type:
Report
System:
The UNT Digital Library
PHOTOCHEMICAL COUPLING OF BENZO [a]PYEENE WITH 1-METHYLCYTOSINE.POSSIBLE MECHANISM OF THE LINKAGE IN VIVO
Irradiation of benzo[a]pyrene 1 with 1-methylcytosine hydrochloride 2a (molar ratio 1:10) at 3500 {angstrom} in methanol-acetone produces the 6-(1-methylcytos-5-yl)-benzo[pa]pyrene 3. The structure of the photoproduct shows the hydrocarbon bound through the most active 6-carbon atom to the nucleophilic 5-position of the base. The specific substitution of both moieties combined with other data allows them to understand the carcinogenic activity of the hydrocarbon and thereby to propose a possible mechanism of their linkage in vivo. In this model, the K region does not play a role in triggering the cancer process.
Date:
August 1, 1970
Creator:
Cavalieri, E. & Calvin, M
Object Type:
Report
System:
The UNT Digital Library
The Crosbyton Review (Crosbyton, Tex.), Vol. 62, No. 33, Ed. 1 Thursday, August 13, 1970
Weekly newspaper from Crosbyton, Texas that includes local, state and national news along with advertising.
Date:
August 13, 1970
Creator:
Stockton, Billye
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 62, No. 32, Ed. 1 Thursday, August 6, 1970
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
August 6, 1970
Creator:
Baggarly, H. M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 62, No. 34, Ed. 1 Thursday, August 20, 1970
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
August 20, 1970
Creator:
Baggarly, H. M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 62, No. 33, Ed. 1 Thursday, August 13, 1970
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
August 13, 1970
Creator:
Baggarly, H. M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 62, No. 35, Ed. 1 Thursday, August 27, 1970
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
August 27, 1970
Creator:
Baggarly, H. M.
Object Type:
Newspaper
System:
The Portal to Texas History
[Old Storey Home Photograph #4]
Photograph of the Old Storey Home, in San Marcos, Texas.
Date:
August 1970
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
[Old Storey Home Photograph #3]
Photograph of the Old Storey Home, in San Marcos, Texas.
Date:
August 1970
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
The Crosbyton Review (Crosbyton, Tex.), Vol. 62, No. 35, Ed. 1 Thursday, August 27, 1970
Weekly newspaper from Crosbyton, Texas that includes local, state and national news along with advertising.
Date:
August 27, 1970
Creator:
Stockton, Billye
Object Type:
Newspaper
System:
The Portal to Texas History
The Crosbyton Review (Crosbyton, Tex.), Vol. 62, No. 32, Ed. 1 Thursday, August 6, 1970
Weekly newspaper from Crosbyton, Texas that includes local, state and national news along with advertising.
Date:
August 6, 1970
Creator:
Stockton, Billye
Object Type:
Newspaper
System:
The Portal to Texas History