查询词典 methyl-phenoxide

Under the operation pressure of 0.15～0.35Mpa, the water content of methyl chloride feed gas could be reduced from 2000ppmw to below 300ppmw, which satisfies the actual requirement of factory.

在操作压力0.15～0.35 MPa条件下，可以将一氯甲烷原料气的含水量从2000ppmw降低至300ppmw以下，可以满足工厂的实际需求。

When used as butyl rubber reaction solvent and refrigerant respectively, methyl chloride and 1,1- difluoroethane (HFC-152a) have critical requirements for their water contents.

一氯甲烷和1，1-二氟乙烷(HFC-152a)，分别作为丁基橡胶反应溶剂和制冷剂使用时，对其含水量有苛刻的要求。

Experimental results were reported here regarding the gas phase conversion of CTC to methyl chloride by using transition metal salt composite catalyst embedded on active carbon.

报道了以活性炭为载体，以过渡金属无机盐为复合催化剂，在气相条件下四氯化碳与甲醇反应制备一氯甲烷的研究结果。

In recent years, the demand growth rate of methane chloridate beyond the production growth rate in domestic market, there are more than 10 methyl chloride factories in our country, with the general production capability about 70 thousand tons, but the consumption is near about 80 thousand tons, the domestic market demand of monochloro methane reached 120—140 thousand tons in 2006, but the monochloro methane production capability just only 80-100 thousand tons.

近几年，国内市场对甲烷氯化物产品的需求增长速度大大快于生产增长的速度，我国现有氯甲烷生产厂10多家，总生产能力约7万吨，消费量近8万吨，到2006年国内对一氯甲烷的总需求量达到12-14万吨，而时国内一氯甲烷的生产能力8-10万吨。

β-Methylhydrogen itaconate was prepared from itaconic acid and methyl alcohol with benzoyl chloride as catalyst.

摘 要：以衣康酸和无水甲醇为原料，酸性催化下酯化合成β-衣康酸单甲酯。

Through drying the methyl chloride drying tower, analyzing the bed temperature profile on regeneration process and comparing the theoretical cycle and actual cycle , this paper gave the proper operation cycle and improving suggestions for drying tower operation.

通过对氯甲烷干燥塔的干燥、再生工艺过程的床层温度分布曲线分析以及干燥塔理论周期与实际使用周期比较，总结出干燥塔的合理使用周期，并对干燥塔的工艺操作提出改进建议。

The experimental conditions included reverse phase C-18 column, equivalent elution by 17 % methyl cyanide and detection wavelength at 259 nm.

试验条件为反相C18柱、17 %乙腈等度洗脱，以259 nm为检测波长。

The chromatographic column is Nucleosil the C18 column (4.6mm×250mm,5μm); Flowing for methyl cyanide - water =1∶2; The speed of flow is 0.8ml/min; The examination wave length is 205 nm; The speed is 0.4mm/min.

色谱柱为Nucleosil C18柱(4.6mm×250mm，5μm)；流动相为乙腈-水＝1∶2；流速为0.8ml/min；检测波长为205 nm；速度为0.4mm/min。

01 Mol/L solution of sodium heptanesulfonate (to adjust PH to 2.2 with the debited orthophosphoric acid)-methyl cyanide (44:56) as mobile phase, detective wavelength was 254 nm.

采用HPLC法以辛基硅烷键合硅胶为填充剂；以0.01 mol/L庚烷磺酸钠溶液（稀磷酸调PH值至2.2）-乙腈(44：56)为流动相；检测波长为254 nm。

A novel radical polymerization, polymerization of Methyl methacrylate in the copper alginate complex membrane-HSO_3-H_2O system was studied.

本文研究新的聚合反应体系，甲基丙烯酸甲酯在褐藻酸铜络合物膜-HSO_3~--水体系中的聚合反应。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。