Results 221 to 230 of about 16,389 (282)
Research on the timing for subsequent water flooding in Alkali-Surfactant-Polymer flooding in Daqing Oilfield based on automated machine learning. [PDF]
Sci RepJiang W +22 more
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The influence of clayey soil hardpan layers in turbid plumes from water flow. [PDF]
Sci RepYuan YZ, Zhu Z, Zheng C, Zheng Y, Xu H.
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Archives of Otolaryngology - Head and Neck Surgery, 1985
To the Editor .—In the February issue of theArchives, Kamer and Churukian 1 state that "the liquid silicone most often used for injection has been polydimethyl-siloxane polymer (Dow Corning 'Medical Grade 360'), a substance that was not intended for injection.
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To the Editor .—In the February issue of theArchives, Kamer and Churukian 1 state that "the liquid silicone most often used for injection has been polydimethyl-siloxane polymer (Dow Corning 'Medical Grade 360'), a substance that was not intended for injection.
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Liquid Chromatographic Assays for Barbiturate Injections
Journal of Pharmaceutical Sciences, 1986Precise, rugged, stability-indicating HPLC assays were developed for phenobarbital, pentobarbital, and secobarbital sodium injections. Degradation products of the three barbiturates were prepared and chromatographed to demonstrate method specificity.
V D, Reif +3 more
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Injectable Liquid Silicone-Reply
Archives of Otolaryngology - Head and Neck Surgery, 1985In Reply.—Dr Aronsohn's personal experience with respect to the use of liquid silicone dates back to 1963. We neither promote nor prohibit such use. Our mention of silicone was primarily for historic interest. Numerous practical factors currently mitigate against the use of liquid silicone, not the least of which is the fact that it is illegal to ...
F. M. KAMER, M. M. CHURUKIAN
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Progesterone Injection Assay by Liquid Chromatography
Journal of Pharmaceutical Sciences, 1974An assay was developed for the progesterone content of injections composed of refined, fixed oils as the primary solvent. Reversed-phase, high-pressure liquid chromatography separates the progesterone from all other known ingredients following initial extraction into aqueous ethanol. Methyltestosterone was found to be a desirable internal standard, and
R H, King, L T, Grady, J T, Reamer
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Determination of Injection Ratio of Liquid-Gas Injection Apparatuses
Chemical and Petroleum Engineering, 2021Based on experimental studies of the hydrodynamic characteristics of gas and liquid interaction in liquid-gas injection apparatuses, an equation for calculating the maximum injection ratio was obtained.
E. A. Girba, O. N. Korableva
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Liquid-Liquid Extraction Flow Injection Analysis
Critical Reviews in Analytical Chemistry, 1991Abstract In spite of the great improvement in selectivity and sensitivity of modern analytical instrumentation, the classical preconcentration and separation techniques, such as liquid-liquid extraction, ion-exchange chromatography, precipitation, etc., are still widely used to improve analytical measurements, especially in connection with trace and ...
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Comparison of segmentors for liquid—liquid extraction flow-injection analysis
Talanta, 1990The segmentation of two immiscible solvents in a continuous liquid-liquid extraction flow system has been studied with a computer-controlled photometric detection system (resolution time approximately 3 msec). The T-shaped segmentors tested were made of fluoroplastic, glass (A4-T fitting) and a modified glass (A8-T fitting).
V, Kubán, L G, Danielsson, F, Ingman
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Reaction Injection Moulding (Liquid Injection Moulding)
1992Reaction injection moulding (RIM), alternatively and probably more realistically called liquid injection moulding (LIM), or sometimes high-pressure impingement mixing (HPIM), is essentially a ‘one-shot’ process for moulding polyurethane elastomers by carrying out the reaction and moulding process through the sequence of steps shown in Fig.
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