Effect of alcohol amine admixture on hydration of Portland cement and mortar strength 醇胺类助磨剂对硅酸盐水泥水化及胶砂强度影响的研究
In recent years, the achieved major technological advancements include: the mastered technology alcohol amine desulfurization and decarbonization technology has further improved; 近年来所取得的主要技术进步包括:已掌握的醇胺脱硫脱碳技术得到进一步完善;
The ion/ molecule reactions of low-mass Organic molecules, such as alcohol, ether, amine, aldehyde, ketone and so on, were studied by the ion trap MS. 利用离子阱质谱原理和内离子源的特点,确定了小分子醇、醚、胺、醛、酮等有机物在离子阱里的反应为自身化学电离(SCI)反应;
In addition, the degradation products of alcohol amine has a great impact on galvanic corrosion, especially the highly corrosive heat stable acidic salts ( HSAS) formed in ammo degradation, which must be strictly controlled. 醇胺的各种降解产物对装置的电化学腐蚀有重要影响,尤其是醇胺氧化降解而生成的酸性热稳定性盐(HSAS)有很强的腐蚀性,故对草酸盐之类降解产物必须严格控制。
Corrosion of Alcohol-amine Desulfurization Decarbonization Units and Protection 醇胺法脱硫脱碳装置的腐蚀与防护
We investigated alcohol, acid, amine, ester and several kinds of normal metal clusters by using the HF-LCAO-MO method for the lubricate mechanism of different polarity bases, through the frontier orbital energy levels and its composition. 用HF-LCAO-MO方法计算醇、酸、胺、酯4类油性剂和常见金属的原子簇模型,从前线轨道能级、分子轨道组成等方面研究了不同极性基团的润滑机理。
Application Development of Alcohol Amine Bonding Agents in HTPB Propellants 醇胺类键合剂在丁羟推进剂中的应用进展
Studies on the Mechanism of Absorption for Alcohol and Amine on the Surface of Aluminium 醇胺类油性剂在金属铝表面上吸附的研究
The results show that alcohol amine bonding agents can obviously improve the properties of HTPB propellants. 认为醇胺类键合剂可明显改善丁羟推进剂的性能。
Catalyst is one of key issues in the process of amination of fatty alcohol with dimethylamine for preparation of long chain alkyl dimethyl tertiary amine. 脂肪醇在催化剂作用下直接胺化催化反应是目前生产长链烷基二甲基叔胺的主要工艺。该工艺的技术关键之一在于其催化剂。
Electron beam-irradiation method was applied to prepare nano-sized nickel powders in aqueous system at room temperature and ambient pressure using polyvinyl alcohol ( PVA) and dodecyl trimethyl amine bromide ( DTAB) as the surfactants respectively. 在水溶液中,于常温常压下分别使用聚乙烯醇(PVA)和十二烷基三甲基溴化胺(DTAB)为表面活性剂,用电子束辐照方法制备了纳米镍粉;
The reaction mechanism of absorption and dynamics of hydrogen sulphide In hydroxide solutions, alkaline buffer solutions and alcohol amine solutions have been discUssed in this paper, and the relative mathematical expressions are given also. 本文讨论了硫化氢在氢氧化物溶液、碱性缓冲溶液和醇胺溶液等碱性介质中吸收反应的机理和动力学,并给出了相应的数学表达式。
Lubrication Effect of Oleic Alcohol Amine 油酸醇胺的润滑效应
Based on aliphatic alcohol, alcohol amine and amine, a new mixed expander ( NB) for polyurethane prepolymer was prepared. 在研究快速固化医用聚氨酯材料中,制备了以脂肪族多元醇为主的混合扩链剂(NB)。
Study on the relation ship between the gas phase basicity of aliphatic alcohol, ether and amine and their electron effects 脂肪族醇、醚、胺电子效应对其气相碱性的影响
The recent progress of metal-free initiator/ catalyst systems used for the ROP of cyclic ester monomers is reviewed, including H_2O, alcohol, amine, and carboxylic acid initiators, as well as proton acid, phosphine and N-heterocycle catalysts. 综述了近年来用于环酯单体开环聚合的无金属引发/催化体系,主要涉及水、醇、胺、羧酸等引发剂及质子酸、膦类、氮杂环类化合物等催化剂体系。
The amine-modified polyether KL-1 sewage disposal agent was prepared with organic alcohol containing 1~ 4 hydroxy, epoxy chloropropane, organic amine as raw materials by catalyst. 以含1~4个羟基的有机醇、环氧氯丙烷和有机胺为原料,在催化剂作用下聚合成有机胺改性聚醚(KL-1)污水处理剂。
By determination of interfacial tension of alcohol and amine, the saturated adsorption quantity and molecule area of alcohol and amine were obtained. 本文通过对醇和胺的界面张力的测定,获得了醇和胺的饱和吸附量和分子面积;
Polymer of rosin allyl alcohol ester ( PRAAE) was oxidized to produce its oxide through catalysis of disproportionated rosin amine Schiff's base copper salt, and hydrogen peroxide ( 30%) as oxidant. 以歧化松香胺席夫碱铜催化剂,H2O2(30%)氧化聚松香丙烯醇酯(PRAAE),得到聚松香丙烯醇酯氧化物。
Long chain alkyl dimethyl amine is an important organic intermediate. Its main preparation process is the catalytic amination of fatty alcohol with dimethyl amine under the action of hydrogenation dehydrogenation catalysts. 长链烷基二甲基叔胺是一类重要的有机中间体,目前其主要的制备工艺是由脂肪醇和二甲胺在脱氢加氢类催化剂的作用下进行胺化反应。
Microemulsions are fluid, transparent, thermodynamically stable oil and water systems, stabilized by a surfactant usually in conjunction with a cosurfactant, which may be a short chain alcohol, amine or other weakly amphiphilic molecule. 微乳是一种流动的、透明的、热力学稳定的油水混合系统,由表面活性剂和助表面活性剂共同起稳定作用。其中助表面活性剂通常为短链醇、胺或其他较弱的双亲分子。
It is summarized the lubricating additives of low sulfur diesel fuel such as alcohol, ether, amine, amide, carboxylic acid and ester. Because of its good lubricity, the polyol ester is ideal lubricating additive for low sulfur diesel fuel. 对醇、醚、胺、酰胺、羧酸和酯等低硫柴油润滑添加剂进行了综述,认为多元醇酯具有良好的润滑性,是低硫柴油理想的润滑添加剂。
Aiming at the difficulty to treat the waste amine liquid produced from alcohol amine desulfurization of refinery gas, a new method, through high temperature decomposition, to treat it in delayed coker is proposed. 炼厂气醇胺脱硫产生的废胺液较难处理,通过对废胺液中主要成分醇胺的高温分解试验,提出了废胺液进延迟焦化装置处理的新方法。
Alkylation reaction happens when Ethyl diazoacetate reacts with alcohol, phenol, carboxylic acid, amine. Besides, Ethyl diazoacetate can also react with aldehydes or ketones to produce ketones which have one more methylene group. 重氮乙酸乙酯能够与醇、酚、羧酸、胺等发生烷基化反应,还可以与醛酮反应生成多一个亚甲基的酮。