查询词典 methoxide

Zibo days was established in 2003 are the production, trade and services in the enterprise, the Company under the Zouping days deer Chemical Co., Ltd., specializing in the production of sodium methoxide, the product quality is stable, well received by users.

淄博天鹿工贸有限公司成立于2003年是生产，贸易和服务于一体的企业，本公司下设邹平天鹿化工有限公司，专业生产甲醇钠，产品质量稳定，深受用户好评。

Sodium methoxide had a high catalytic activity, but had a very critical requirement to raw material properties and its active was unstable.

实验过程中同时发现甲醇钠催化活性很高，对原料的要求十分苛刻，性能很不稳定。

After settling for eight hours, or the next morning, pour half of the prepared methoxide into the unheated mixture and mix for five minutes.

静置8小时后，倒一半制备的醇盐至第10步的混合物中，混合5分钟。

Add the second half of the prepared sodium methoxide to the heated mixture and start mixing at the same low speed of not more than 500 to 600 rpm.

加入另一半醇盐，在不超过500 到600 rpm的低搅拌速度下混合。

Acetylpyruvic acid methyl ester can be synthesized by the condensation of dimethyl oxalate and acetone in the presence of sodium methoxide.

叙述了在催化剂甲醇钠的存在下，以草酸二甲酯和丙酮为原料合成乙酰丙酮酸甲酯的工艺。

Chemical randomized interesterification of lard catalyzed by sodium methoxide and the effect of reaction temperature, time and catalyst dosage on the interesterification degree were investigated in this paper.

以猪油为反应底物，试验了以甲醇钠为催化剂的化学随机酯交换及其反应温度、时间、催化剂浓度对酯交换程度的影响。

While the oil is cooling mix your methanol and NaOH to form the methoxide.

当食用油冷却时，先将甲醇和氢氧化钠。

Transesterification of rapeseed oil to biodiesel with methanol using calcium methoxide as a solid base catalyst was investigated.

研究了甲醇钙固体碱催化剂催化菜籽油和甲醇酯交换反应制备生物柴油的反应性能，分析了甲醇钙的比表面积、总孔体积、平均孔径和热稳定性，并研究了反应温度、催化剂用量和醇油摩尔比对生物柴油产率的影响。

WARNING: METHOXIDE IS A POISON!

警告：甲醇盐是有毒的。

The ring-opening polymerization process of ethylene oxide as initiated by sodium methoxide was studied using the density functional theory /Dmol^3 method.

运用密度泛函理论的Dmol^3方法，计算了甲醇钠引发的环氧乙烷开环聚合的反应过程。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。