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bitumen
Bitumen observed in many outcrops of Precambrian and late Devonian microbialites further raises the possibility of the calci-microbialite as a potential hydrocarbon source rock.
      
(4) TOCres of solid bitumen and shale with high organic matter abundance (TOC >amp;gt; 30%) also require no restitution at the high mature stage.
      
Polymer-bitumen binders for the highway engineering were obtained by the addition of a ternary ethylene-propylene rubber to a bitumen.
      
The efficiency of BNK-40/180 bitumen modification with a blended thermoelastoplast and its components is studied by measuring the kinetics of the stress relaxation in melts.
      
Asphaltene agglomerates are disclosed to be the main kinetic units of the stress relaxation in bitumens and bitumen-polymer compositions.
      
The efficiency of bitumen modification with polymers is mainly affected by the solubility of the latter in the malthene fraction and their adsorption on asphaltenes.
      
Gas-chromatographic determination of trace amino alcohols in water, air, and bitumen-salt masses forming in the detoxication of
      
The developed procedures provide the determination of amino alcohols in water and air at a level of their maximum permissible concentrations (0.5 mg/L and 0.5 mg/m3, respectively) and in a bitumen-salt mass in a concentration of 5 x 10-4%.
      
Identification of O-Isobutyl S-(2-Diethylaminoethyl) Methylthiophosphonate Chemical Neutralization Products in Bitumen-Salt Matr
      
Products of the chemical neutralization of O-isobutyl S-(2-diethylaminoethyl) methylthiophosphonate, a VX Group warfare agent, in bitumen-salt matrices were studied by gas chromatography-mass spectrometry.
      
No derivatives of isorenieratene were revealed in the aromatic fraction of bitumen in the carbon-rich rocks.
      
Isotopic-geochemical signs of coal and bitumen transformation in different-type ore mineralization: Communication 1.
      
Isotopic-geochemical signs of the structural transformation of Coal and bitumen allow us to elaborate a unified scale of catagenesis and metamorphism of the sapropel-and humus-type OM.
      
Isotopic-geochemical signs of the transformation of coal and bitumen during the ore mineralization of different types: Communica
      
Parameters of static sorption of radiocerium on soddy podzolic soils before and after antideflation treatment with bitumen emulsion and water-insoluble polyelectrolyte complexes are determined, as influenced by pH, Ce concentration, and carbonates.
      
The Use of Pulse Nuclear Magnetic Resonance for Studying the Mechanism of Solvation Separation of Natural Bitumen
      
A mechanism of deasphalting and fractionation of Ashal'chinsk natural bitumen with acetone was studied by pulse NMR.
      
Influence of the Products of Chemical Modification of Atactic Polypropylene on Properties of Bitumen Binders
      
The trace contaminant levels were determined for ten tar samples and six bitumen samples available from Kirishi, Yaroslavl, and Ukhta refineries, as well as from Neste (Finland).
      
The structural-group compositions of polar and nonpolar components of malthenes from tars of West-Siberian crude oil and of quality bitumen BDUS 70/100 and substandard bitumen BDUS 60/90 produced from these tars are compared.
      
 

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