The results showed that those pre-treatment couldn't improve the acid leaching reaction efficiency. 结果表明:预处理投有达到提高石棉尾矿酸浸效果的目的。
The affects of catalyst amount, molar ratio of phenylethyl alcohol and iso-valeric acid, reaction time and dehydrating agent amount were studied. 研究了催化剂用量、载体二甲苯用量、醇酸比例以及反应时间对反应结果的影响。
Boric acid, reaction products with ethanolamine and triethanolamine; 硼酸与乙醇胺和三乙醇胺的反应产物;
Isolation and Purification of γ-aminobutyric Acid from Reaction Solution of Glutamic Acid by Ion-exchange Resins 离子交换法分离提取谷氨酸转化液中的γ-氨基丁酸
Study on Kinetics of Acid Hydrolysis Reaction of Gelatin ⅱ. Kinetics Regularity and Mechanism 明胶的酸水解反应动力学研究Ⅱ.动力学规律和机理
Effect of constitute of catalyst, proportion of mixed acid, reaction temperature, feeding rate and service life of the mixed acid catalyst on synthesis of dimethyl ether were studied. 考察了混酸催化剂、反应温度、原料进料速率和催化剂寿命等对二甲醚收率的影响。
Methods: Cultivate Ganoderma in glycyrrhiza waste residue, and determine the polysaccharose content by phenol-sulfuric acid reaction system. 方法:以甘草渣为培养基质进行灵芝菌的新型固体发酵,采用苯酚&硫酸法测定发酵基质中的多糖含量。
Experimental study on acid rock reaction dynamics for carbonate rock of No.1 Gas Field in Middle Tarim 塔中Ⅰ号气田碳酸盐岩储层酸岩反应动力学实验
Optimum conditions in chlorination of cotton oil acid: reaction time is3. 棉油酸经氯化-酯化-蒸馏制得氯化棉油酸甲酯。
Synthesis and Alcoholysis of the IPNs of Styrene and Vinyl Acetate; New Process to Prepare Ethyl Acetate from Ethylene and Acetic Acid Addition Reaction 聚苯乙烯&醋酸乙烯酯互贯聚合物网络的合成与醇解反应醋酸与乙烯加成制取醋酸乙酯的新工艺
Acid proliferation based on self-catalytic acid hydrolysis reaction is a kind of new method to improve imaging sensitivity. 基于自催化酸解反应的酸增殖是新的提高成像灵敏度的方法。
New Process to Prepare Ethyl Acetate from Ethylene and Acetic Acid Addition Reaction 醋酸与乙烯加成制取醋酸乙酯的新工艺
Application of a New Type of Punched Agitator to Phosphoric Acid Reaction 新型穿流式搅拌桨在湿法磷酸反应器中的应用
IC Determination of Glyoxylic Acid and Formic Acid in Reaction Medium for Preparation of Glyoxylic Acid by Oxidation of Glyoxal with Oxygen 离子色谱法测定氧气氧化乙二醛制备乙醛酸反应介质中乙醛酸和甲酸
Rapid determination of lipid peroxides by thiobarbituric acid reaction without precipitating protein 硫代巴比妥酸不除蛋白质快速测定过氧化脂质
By using thiobarbituric acid reaction, spin trapping technique, chemiluminescence method, fluorescence assay of benzoic acid OH-adducts etc, the effects of Nef on lipid peroxides and O~-or OH in free radical system were studied. 用硫代巴比妥酸(TBA)比色法、电子自旋捕集技术、化学发光法及检测苯甲酸&OH.加成物等方法,研究了甲基莲心碱(Nef)清除氧自由基及抗脂质过氧化作用。
The Integrated Experiment Plant of Copper and Thick, Thin Nitric Acid Reaction 铜与浓、稀硝酸反应的一体化实验装备
The paper points out the lack in the copper and thick, thin nitric acid reaction experiment, analyzes the difference in the two experiments, introduces the integrated experiment plant, experimental method and strongpoint. 指出了铜与浓、稀硝酸反应实验的不足,分析了两实验的异同点,介绍了铜与浓、稀硝酸反应的一体化实验装置、实验方法及实验优点。
In comparison with other acid reaction systems, the acid modified kaolin obtained from Al2O3/ HCl system showed obvious mesoporous distribution and its mesoporous character was strengthened at higher temperature. 结果表明,多种酸反应体系相比,在Al2O3/HCl体系中形成的酸改性白土具有明显的中孔分布,提高反应温度,中孔特征突出,孔道更加通畅。
The results show that the zone in the zone has the characteristics of an evident humic property, intense leaching and acid reaction; 研究结果表明:此带土壤腐殖质特性明显,淋溶强烈,呈酸性;
Anti-corrosion construction of phosphoric acid reaction tank 磷酸反应槽防腐施工
The filtering catalysts was used in synthesis of adipic acid reaction. The key factors influencing the oxidation were also studied, such as reaction time, reaction temperature, mole ratio between H_2O_2 and cyclohexene, the amount of catalysts. 将筛选出的催化剂用于催化H2O2氧化环己烯合成己二酸的反应,探讨了反应时间、反应温度、H2O2与环己烯摩尔比、催化剂加入量等对反应的影响。
The oxidative modification of LDL was identified by agarose gel relative electrophoretic mobility ( REM) and fluorescence of thiobarbituric acid reaction substances ( TBARS) contents. 测定LDL的电泳迁移率及硫代巴比妥酸反应物质含量。
An Experimental Study on Gelled Acid Reaction Kinetics 胶凝酸反应动力学试验研究
Methods: 44 cases patients with acute cerebral hemorrhagic disease and 26 controls were determined by Thiobarbituric acid reaction, Xanthine oxidase test and Glutathione oxidase test. 方法:用改良硫代巴比妥法、黄嘌呤氧化酶法和谷胱甘肽氧化酶法对44例急性颅内出血患者血浆LPO,SOD和GSH-PX含量测定,并以26例正常对照。
It was also found that first derivative spectrometric value of polysaccharide-phenol-sulfuric acid reaction system is directly proportional to the content of polysaccharides. 本文研究还发现多糖苯酚硫酸显色反应体系的一阶导数光谱值与多糖含量成正比,据此建立了苯酚硫酸显色导数光谱分析多糖的方法。
Many studies have shown, I3C has the action in the body through these acid reaction products.I3C has activity through oral medication, but it hasnt activity through intraperitoneal. 多方面研究表明,I3C是通过这些酸性反应产物在体内发挥作用的,因I3C口服给药后具活性,而通过腹腔注射则无活性。