نتایج جستجو برای: petro
تعداد نتایج: 505 فیلتر نتایج به سال:
Biological Control of Weeds in Compacted Soil Cultures: V. P. Sokoloff 271 Technical Papers Absorption Spectra of Chlorophylls in Solutions at -Low Temperatures-Equilibria Between Isomers: Simon Freed and Kenneth M. Sancier _ 275 The Purlnonay Circulation as a Source of Leucocytes-bid Platelets in Man: H. R. Bierman, K. H. Kelly/,F. W. King, and N. L. Petro,kis 276 Effects of Male Hormone upon ...
Over 85% of all new heat exchanger applications in oil refining, chemical, petro-chemical, and power generation are accommodated through the use of conventional shell and tube type heat exchangers. The fundamental basis for this statistic is shell and tube technology is a cost effective, proven solution for a wide variety of heat transfer requirements. However, there are limitations associated ...
Model predictive control (MPC) algorithm has been widely applied in industry process control systems since last century, like petro-refining and other chemical processes. However, it is rarely used in field controllers due to the complexity of online optimization. This paper introduces a new MPC system based on the field programmable gate array (FPGA) chip. In order to make MPC controller more ...
Lro/crater Discoveries of the Lunar Radiation Environment and Lunar Regolith Alteration by Radiation
REGOLITH ALTERATION BY RADIATION N. A. Schwadron, H. E. Spence, J. K. Wilson, A. P. Jordan, R. Winslow, C. Joyce, M. D. Looper, A. W. Case, N. E. Petro, M. S. Robinson, T. J. Stubbs, C. Zeitlin, J. B. Blake, J. Kasper, J. E. Mazur, S. S. Smith, L. W. Townsend, Space Science Center, University of New Hampshire, Durham, NH ([email protected]), The Aerospace Corporation, Los Angeles, CA, High En...
This article critically analyzes how far-right political male elites persistently deny climate change, a political-discursive strategy of maintaining the status quo, which has historically benefited them. Making use concepts such as «petro-masculinity» and «industrial masculinities», introducing concept «patriarchal Anthropocene», this paper argues that denial is inextricably linked to these le...
Although thermoplastic materials are mostly derived from petro-chemicals, it would be highly desirable, from a sustainability perspective, to produce them instead from renewable biopolymers. Unfortunately, biopolymers exhibiting thermoplastic behaviour and which preserve their mechanical properties post processing are essentially non-existent. The robust sucker ring teeth (SRT) from squid and c...
Seed oils [SO] are cost‐effective, eco‐friendly and biodegradable in nature. They bear functional groups such as carboxyls, esters, double bonds, active methylenes, hydroxyls, oxirane rings and others, amenable to several derivatization reactions. Their abundant availability, non‐toxicity and rich chemistry has established SO as focal point of polymer production, e.g., production of polyesters,...
Polyhydroxyalkanoates (PHAs) are biological polyesters produced through microbial fermentation processes. They have attracted attention as an alternative source to petro-chemically derived plastics as they are biodegradable, renewable, biocompatible and environmentally friendly. However, a notable limitation for their bulk production is the producer microbes’ low yield and productivity which le...
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