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- mixed acid ahhdride 混合酸酐
- Mixed acid should be allowed to flow for 1 minute in order to flush the pipesand cooling system. 应让混酸流一分钟,以便冲洗管道和冷却系统。
- Mixed acid should be allowed to flow for 1 minute in order to flush the pipes and cooling system. 应让混酸流一分钟,以便冲洗管道和冷却系统。
- In the water phase, benzotrichloride was condensed with resorcin by th e catalysis of mix acid to form intermediate 2,4-dihydroxybenzophenone. 用混和酸作催化剂,三氯甲基苯和间苯二酚在水相中缩合成中间体2,4-二羟基二苯基甲酮。
- In the paper,the influencing on the stability of mixed acid milk were studied and the orthog onal experiment were made. 对影响调配酸乳饮料稳定性的因素进行了研究,通过正交试验确定稳定剂的最佳复配配比以及最佳的生产工艺。
- One kind of lubricity improver for low sulfur diesel was synthesized by low cost raw materials, such as unsatu-rated mixed acid and polyol. 采用不饱和混合酸和多元醇等低成本原料合成出一种低硫柴油润滑性能改进剂,并对其润滑性能、兼容性、腐蚀性、水反应和低温性能进行了评价。
- It is studied that the mechanism of extracting potassium from the potassium-rich shale sample in Caoyang using sulfuric-fluoric mixed acid. 本文对朝阳地区的富钾页岩矿样在硫-氟混酸作用下浸出提钾的反应机理进行了系统的研究。
- The functional modification of multiwall carbon nanotubes (MWCNTs) is obtained by mixed acid and thionyl chloride treatment. 采用混酸和二甲亚砜对碳纳米管进行官能化修饰,实验发现经化学修饰后对多壁碳纳米管膜的电学性质有明显影响。
- The performance of the second stage acidulation process of Qin Ping phosphate rock with mixed acid of sulphuric acid and phosphoric acid was studied. 采用四川清平磷矿,研究了硫磷混酸分解磷矿第2阶段的酸解反应特性。
- The stilled acid in germanium chloride stilling system was analysed. The mixed acid and the lower content germanium could be recycled. 对锗的氯化蒸馏系统所产生的废酸进行分析,使之含有的混和酸和微量锗得以充分利用和回收。
- The isomer ratio of o-MNT to p-MNT,the degree of dinitration and the ratio of 2,6-DNT to 2,4-DNT have been investigated in the mononitration product of toluene by mixed acid. 通过改变反应条件,研究了硝硫混酸硝化剂对甲苯一段硝化产物的邻对异构体比例、二硝化程度及2,6-二硝基甲苯与2,4-二硝基甲苯生成比例的影响。
- The objective of this work is to determine the conditions for sepa rating Co2+ and Cu2+ from Ni2+ in mixed acid(HCl-H2SO4) with N235(Alamine 336)as an extractant. 本文研究用N_(235)(混合三脂肪胺)作萃取剂;从含有Ni~(2+)”;Co~(2+)和Cu~(2+)的混酸(HCl-H_2SO_4)溶液中有效地萃取分离各金属离子的条件.
- Diacetone acrylamide was synthesized with acrylonitrile and acetone as raw material and with trifluoroacetic acid and concentrated sulfuric mixed acid as catalyst. 以丙烯腈和丙酮为原料,探索以三氟乙酸和浓硫酸组成的混酸作催化剂合成双丙酮丙烯酰胺工艺。
- A new rapid determination method of waste water COD in mixed acid solutionH_2SO_4-H_3PO_4,with Mn(H_2PO_4)_2 as catalyst,has been proposed in this paper. 本文提出用Mn(H_2PO_4)_2作催化剂,在H_2SO_4-H_3PO_4混酸溶液中快速测定废水COD的新方法。
- Two methods for preparing crystallised dintroglycoluril (DINGU) via.recrystallization from nitric acid or nitration of glycoluril in mixed acid of HNO_3-H_2SO_4 were investigated. 介绍了用硝酸重结晶及用硝硫混酸硝化甘脲直接制备二硝基甘脲晶体的方法及用二甲基亚砜制备二硝基甘脲晶体的结果。
- There is a large quantity of hydrous mixed acid which include methanoic acid and acetic acid in the acetic acid production unit of Yangzi Petrochemical Company Ltd.,SINOPEC. 基于中国石化扬子石化公司化工厂醋酸装置产生大量的含水甲酸、乙酸副产品,通过试验将含水混酸进行酯化、分离,得到符合工业品规格的甲酸乙酯、乙酸乙脂。
- In the paper,the factors that influencing on the stability of mixed acid milk were stuidied and the orthogonal experiment were made.The best process were defined. 本文对影响调配型酸乳饮料稳定性的因素进行了研究。通过正交试验确定稳定剂的最佳配比及最佳工艺。
- This article introduces that using mixed acid of nitric acid and sulfuric acid, beet waste-slag produces industrial product oxalic acid by ordinary pressure hydrocarbonylation. 本文介绍利用硝硫混酸常压氧化法,把甜菜废渣制成工业品草酸。
- There is a large quantity of hydrous mixed acid which include methanoic acid and acetic acid in the acetic acid production unit of Yangzi Petrochemical Company Ltd. 基于中国石化扬子石化公司化工厂醋酸装置产生大量的含水甲酸、乙酸副产品,通过试验将含水混酸进行酯化、分离,得到符合工业品规格的甲酸乙酯、乙酸乙脂。
- The effects of mixed acid nitratinyagent and its constitute,temperature, stirring and the feed-style of materialsetc.on the nitrating reaction has been introduced in this paper. 介绍了该工艺中混酸硝化剂及其组成和温度、搅拌、加料方式等对硝化反应的影响。