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- hydration of olefines 烯羟的水化作用
- Heats of hydration of divalenttransition metal cations. 二价过渡元素离子水化热等。
- Heats of hydration of divalent transition metal cations. 二价过渡元素离子水化热等.
- Slow, careful curing of the concrete improves the hydration of the cement. 混凝土的缓慢而精心的养护可以改善水泥的水化作用。
- Slow, careful curing of the concrete improves the hydration of the cement . 混凝土的缓慢而精心的养护可以改善水泥的水化作用。
- A new process of Hydration of propylene oxide to glycols was introduced. 采用反应精馏新工艺由环氧丙烷水合制丙二醇。
- Actually, expire the milk of ache slightly can be become the substitute of olefin, caky milk is classy olefin more. 其实,过期发酸的牛奶可当石蜡的替代品,凝固的牛奶更是上等的石蜡。
- Addition Reactions to Alkynes, Hydrogenation, Halogenation and HX. Hydration of alkynes. Tautomerization. 炔烃的加成,氢化,卤化和HX.;炔烃的水化作用;互变异构化
- The effects of SAE on the density, absorbency, setting time and cement hydration of cement mortars were studied. 考察了SAE对水泥砂浆的密度、吸水性、凝结时间以及水泥水化速度的影响。
- In this paper, a method for the determination of olefin of cracking gasoline by NIR is presented. 介绍了近红外光谱(NIR)分析技术在线测定催化汽油样品烯烃含量的方法。
- Hydration of nano-SiO_2 and nano-CaCO_3 in cement paste were studied by XRD, SEM, TEM and EDXA. 本文采用X衍射分析(XRD)、扫描电镜(SEM)、透射电镜(TEM)和扫描电子显微镜X射线能谱分析(EDXA)研究了纳米SiO_2和纳米CaCO_3在水泥中的水化过程。
- After completed hydration of protoplast, outermost part of intine shed off, too. 最后,花粉内壁和细胞质因为水分渗透压的关系,彼此分离。
- Hydroaminomethylation of olefin is an efficient method for the synthesis of various amines. 烯烃的氢氨甲基化反应是合成各种胺及其衍生物的有效途径。
- It is a smart skincare product. It can adjust and balance the moisture and hydration of skin according. 智慧型的保养品,保湿滋润的效能会随外在环境的变化自动调节与平衡,对于乾燥粗糙肌肤有效持久润泽。
- The process of hydration of cyclohexene to prepare cyclohexanol was industrialized in Japan in 1990. 1990年日本实现了环已烯水合制环已醇的工业化。
- PAO can be obtained by mixing two kinds of olefines which have different average carbon in proportion with variance analysis. 充分了解到裂解烯烃的平均碳数分布对产品的粘度指数和凝点的显著性影响。
- Hydration of free lime often leads to a volumetric expansion of hardened cement pastes. 硬化水泥浆体由于水泥中游离氧化钙水化常会导致体积膨胀。
- The effects of SAE on the density, absorbency, s etting time and cement hydration of cement mortars were studied. 考察了SAE对水泥砂浆的密度、吸水性、凝结时间以及水泥水化速度的影响。
- Besides, the development trend on carbonylation of olefin to low-carbon aldehyde was pointed out. 并比较丙醛生产工艺与丁醛的相似之处,从而指出丙醛工艺的发展趋势。
- Abstract: A new process of Hydration of propylene oxide to glycols was introduced. 摘 要: 采用反应精馏新工艺由环氧丙烷水合制丙二醇。