查询词典 sulfate

Finally, experiment results indicate that K_2SO_4 is the most widely and best stimulation effect in familiar dissoluble sulfate.

引入外来质点，降低了成核的表面能势垒，使CaSO_4·2H_2O更容易结晶。

At present, many growth factors and other dissoluble factors such as hyaluronic acid, chondroitin sulfate, and insulin have been used alone or synergistically in cartilage tissue engineering. The application efficacy depends on cell type and culture condition.

目前，许多生长因子以及其他可溶性因子如透明质酸、硫酸软骨素和胰岛素已开始被单一地或协同地应用于软骨组织工程，其作用效果依赖于细胞的类型和培养条件。

Diethyl maleate was synthesized from maleic anhydride and ethyl alcohol in the presence of ammonium ferric sulfate dodecahydrate.

在十二水合硫酸铁铵存在下，由马来酸酐与乙醇合成了马来酸二乙酯，研究了反应的影响因素和催化剂的重复使用性能。

N-Butyl stearate was synthesized in high yield by esterification of n- butyl alcohol with stearic acid in the presence of ammonium ferric sulfate dodecahydrate.

在十二水合硫酸铁铵存在下，正丁醇和硬脂酸发生酯化反应，高收率地合成了硬脂酸正丁酯。

The n-butyl lactate was synthesied by the esterification of lactic acid and n-butyl alcohol in presence of ammonium ferric sulfate dodecahydrate NH4Fe(SO4)212H2O,and the factor influencing on the yield of reaction were discussed.

摘 要：在十二水合硫酸铁铵催化下，由乳酸和正丁醇发生酯化反应合成了乳酸正丁酯。实验考察了该催化剂催化酯化合成乳酸正丁酯的醇酸比、催化剂用量、反应时间、反应温度诸因素对酯化率的影响。

The n butyl lactate was synthesied by the esterification of lactic acid and n butyl alcohol in presence of ammonium ferric sulfate dodecahydrate NH 4Fe(SO 4) 2·12H 2O,and the factor influencing on the yield of reaction were discussed.

在十二水合硫酸铁铵催化下，由乳酸和正丁醇发生酯化反应合成了乳酸正丁酯。

First, Fe3O4 magnetic fluid was prepared by coprecipitation method using FeSO4 and FeCl3 as main materials, sodium dodecane sulfate as surfactant.

以FeSO4和FeCl3为主要原料，用十二烷基磺酸钠作为表面活性剂，制备了稳定的水分散性Fe3O4磁流体。

The spontaneous emulsifications of sodium dodecylbenzene sulfate, dodecane and three-component water system were simulated on the basis of the reasonable selection of particles and definition of interaction parameters between particles.

通过合理划分流体粒子和定义粒子之间相互作用参数，模拟了十二烷基苯磺酸钠、正十二烷和水三组分体系的自发乳化现象；通过附加固壁条件，模拟了在水动力作用下吸附在岩石表面的油珠发生破裂的非自发乳化过程，以及由于表面活性剂在岩石表面吸附而引起的润湿反转现象，比较了润湿反转前后残余油珠的运动情况。

The research showed that the functionized surfactant Lead dodecyl sulfate played an important role in the formation of PbS nanocubes.

功能化的表面活性剂Pb〓在PbS纳米晶的形状控制方面起了重要的作用。

The cationic guar was synthesized and the rheological behavior of aqueous solutions of CG in the presence of sodium dodecyl sulfate was studied in detail.

中文摘要合成了阳离子瓜尔胶，研究了阳离子瓜儿胶水溶液在十二烷基硫酸钠存在条件下的流变行为。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。