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Now showing items 351-360 of 547
Determination of the erodibility factor of soils and lignite spoils
(1981)
Surface strip mining is currently the fastest way to recover lignite and bituminous coal. The strip mining results in the disturbance of large acreages of land. However, specific management of the spoils is required to ...
Poverty, development, and quality of life in a Texas border city
(1981)
Although traditionally characterized by poverty and economic stagnation, the Texas border region has become one of the nation's fastest growing areas. This case study, based on Brownsville, examines community conditions ...
The role of lysosomes in the pathogenesis of copper-induced hepatotoxicity
(1981)
The effects of altered lysosomal function on the pathogenesis of copper-induced hepatotoxicity were studied in beige and conventional mice. Copper loading was accomplished through daily intraperitoneal injections of aqueous ...
The ultrastructure and hydrocarbons of Botryococcus braunii Kützing (Chlorophyceae)
(1981)
The ultrastructure of resting state colonies of Botryococcus braunii Kutzing from two localities is compared to active state colonies maintained in the laboratory. Qualitative hydrocarbon analyses confirmed the physiological ...
The effect of traffic induced movement on fresh concrete in widened or replaced bridge decks
(1981)
Bridge traffic in lanes adjacent to a deck that is being widened or replaced causes movements in the fresh concrete deck. A study of the effects of these movements in concrete decks is reported here. An experimental ...
Purification and characterization of alkaline phosphatase, a lysosomal glycoprotein from Saccharomyces cerevisiae
(1981)
The function of the oligosaccharide moiety of lysosomal glycooroteins is presently unclear. A lack of information concerning both the structure of these oligosaccharides and the effects of deglycosy- 'ation of lysosomal ...
Evaluation of the Catahoula Formation as a source rock for uranium mineralization, with emphasis on East Texas
(1981)
The Oligocene/Miocene Catahoula Formation of the Texas coastal plain is a fluvial and lacustrine volcaniclastic unit composed of "normal" fluvial material mixed with distal rhyolitic air-fall ash and, in the lower coastal ...
Structural, physiological, and pathological comparisons of peanut genotypes differing in pod rot resistance
(1981)
Pod rots caused by Pythium myriotylum Drechs. and Rhizoctonia solani Kuhn are important diseases of peanuts (Arachis hypogaea L.). Efforts to control them chemically have been disappointing, and development of resistant ...
Thermal performance of double-shell systems in hot-humid and hot-dry climates
(1981)
The double-shell system is a passive cooling concept that addresses the problem of excessive solar radiation heat gain in the hot-humid and the hot-arid regions of the world. The outer secondary shell provides shading for ...