Results 261 to 270 of about 217,382 (303)

Geological and physicochemical conditions for primary migration of hydrocarbons

Naturwissenschaften, 1983
No single transport mechanism can explain the movement of hydrocarbons within source rock-type shales. Instead, it is likely that several different mechanisms are operating at different times and stages of burial. At relatively shallow intervals before the peak of hydrocarbon generation solution migration seems to be favored.
D. H. Welte, D. Leythaeuser
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Physicochemical conditions of underground disposal of radioactive wastes

Soviet Atomic Energy, 1968
1. A basic study of physicochemical conditions necessary to evaluate underground disposal of liquid radioactive wastes was undertaken. 2. Conditions governing burial of decontamination waste streams at the NIIAR site are described. 3.
V. I. Spitsyn, V. D. Balukova, V. F. Bagretsov   +2 more
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EXPERIMENTAL INVESTIGATION OF PHYSICOCHEMICAL CONDITIONS OF PENTLANDITE FORMATION

Russian Geology and Geophysics, 1993
Based on experimental data, we have studied the state diagram for the part the Fe – Ni – S system limited by the Fe – FeS – NiS– Ni trapezium. Polythermal sections of this system are plotted near the Fe0.53S0.47 – Ni0.53S0.47 section at Fe:Ni = 1 for different sulfur contents, and isothermal sections are plotted at 900, 820, and 600 °C.
Zh. N. Fedorova, E. F. Sinyakova
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The physicochemical conditions of early plume magmatism in West Siberia

Russian Geology and Geophysics, 2010
Complex petrological, geochemical, and isotope studies of igneous rocks sampled from the core of parametric Maizasskaya BH-1 showed a predominance of dolerite sills, which formed earlier (~263 ± 4 Ma) than most of basalts in the basement of the West Siberian sedimentary basin and in the Siberian Platform traps (248–251 Ma).
V.A. Simonov, A.G. Klets, S.V. Kovyazin, S.I. Stupakov, A.V. Travin   +4 more
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Effect of different retrogradation conditions on the physicochemical and sensory properties of rice

International Journal of Biological Macromolecules
Starch retrogradation significantly compromises the quality of ready-to-eat rice products. A systematic understanding of how retrogradation conditions affect different rice varieties is crucial for quality control and product development. This study investigated the effects of different retrogradation conditions (4 °C and 25 °C for 12, 24 and 36 h) on ...
Man, Gao, Chunmin, Ma, Yue, Xu, Bing, Wang, Guang, Zhang, Yan, Wang, Ying, Liu, Yang, Yang, Na, Zhang   +8 more
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Physicochemical Properties of Extruded Aquatic Pellets at Various Conditions

Food Engineering Progress, 2018
The aim of this research is to evaluate the impact of various process conditions on the physical properties and digestibility of extruded fish feed at different barrel temperatures (120, 130, and 140°C) and moisture contents (35, 40, and 45%). The expansion ratio decreased with increasing the moisture content.
Xuelian Ma, Bon-Yeob Gu, Tie Jin, Jin-Hyung Yoo, Mi-Hwan Kim, Gi-Hyung Ryu   +5 more
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The effect of cultivation conditions on the physicochemical properties of the exopolysaccharide ethapolan

Applied Biochemistry and Microbiology, 2009
The physicochemical properties of the complex exopolysaccharide ethapolan (EPS) produced by Acinetobacter sp. 12S during growth on media with various C/N ratios and different concentrations of mineral components and phosphate buffer were studied. Irrespective of the cultivation conditions, the concentrations of carbohydrates (38–44%) and pyruvic acid ...
T. P. Pirog, Yu. V. Korzh, T. A. Shevchuk   +2 more
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Physicochemical conditions in affecting the distribution of spring phytoplankton community

Chinese Journal of Oceanology and Limnology, 2017
To better understand the physicochemical conditions in affecting regional distribution of phytoplankton community, one research cruise was carried out in the Bohai Sea and Yellow Sea during 3rd and 23th May, 2010. The phytoplankton community, including Bacillariophyta (105 taxa), Pyrrophyta (54 taxa), Chrysophyta (1 taxon) and Chlorophyta (2 taxa), had
Yuqiu Wei, Haijiao Liu, Xiaodong Zhang, Bing Xue, Sonia Munir, Jun Sun   +5 more
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Molecular nuclei of condensation. Conditions for observance and physicochemical features

Russian Chemical Bulletin, 1998
The formation of aerosol particles on molecular nuclei of condensation (MoNC) is considered. An interpretation of this phenomenon, consistent with the physicochemical features of MoNC and with the observed regularities, is proposed. The nucleation is induced by the addition of two or several vapor molecules of a developing agent to MoNC to give ...
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Physicochemical Properties of Extruded Chestnut Fruit at Various Conditions

Food Engineering Progress, 2014
The effects of extrusion conditions on the physicochemical properties of extruded chestnut fruit were determined by analyzing expansion index, specific length, bulk density, water solubility index (WSI), water absorption index (WAI), reducing sugar, DPPH (1,1-diphenyl-2-picrylhydrazyl) radical-scavenging activity, total phenolic compound, flavonoid ...
Sang-Hee An, Ju-Yeon Lee, Song-won Kim, Gi-Hyung Ryu   +3 more
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