查询词典 methanol

The contraceptive efficacy of Carica papaya seeds after short-term evaluation has been well established. We have examined the safety and mechanism of contraception in rats after long-term treatment with the methanol subfraction of C.

番木瓜种子的短期避孕效果已经确认，本文旨在研究大鼠长期服用番木瓜种子甲醇分馏物避孕的安全性和避孕机制。

It is possible that Sn ad-atoms only occupy a part of Pt surface, and has no catalytical activity for the oxidation of methanol.

Sn吸附原子可能仅仅占据了Pt表面的部分位置，对甲醇的氧化没有催化活性。

Objective To investigate the effects of methanol extract of Celastrus orbiculatu on synovial hyperplasia and cartilage erosion and degradation in rheumatoid arthritis, and explore the possible mechanisms to provide clues for new drug development for PA treatment.

目的 观察南蛇藤醇提物对类风湿类关节炎滑膜组织增生和软骨侵蚀及降解的作用并探讨其机制，为RA的新药研究提供依据。

From the comprehensive analysis, the project takes methanol hydrochlorinate to produce methane chloridate.

经过综合分析，本项目采用甲醇氢氯化法生产工艺甲烷氯化物。

In America, the methane chloridate are all produced by methanol hydrochlorinate; in Europe, there are only three factories to produce methane chloridate by methane chlorination and in Japan, only two factories.

随着甲醇工业的迅速发展，甲醇氢氯化法在经济上和技术上的优势越来越明显，在世界范围内已有后来居上取代甲烷法的趋势。在美国目前甲烷氯化物生产全部使用甲醇法，在欧洲只有3个工厂，日本只有2个厂还在使用甲烷热氯化法。

The Project produces methane chloridate taking methane as the major material and applying methanol hydrochlorinate method.

该项目以甲醇为主要原料，采用甲醇氢氯化法生产甲烷氯化物，产品市场潜力大。

The overview is in 20 centuries before 90 time the methane chloride of our country production basically uses conventional technology, but all sorts of craft lag behind quite mostly, begin to change methanol chloridize technology in succession from 90 time, but the technical level at that time and foreign photograph are older than difference, main show is dimensions quality of tall, product needs small, specific power consumption," 3 useless " big, equipment corrodes discharge capacity to wait for a problem badly.

梗概： 概述在20世纪90年代以前我国的甲烷氯化物生产主要采用传统技术，但各种工艺大多比较落后，自90年代开始纷纷改走甲醇氯化工艺，但当时的技术水平和国外相比差距较大，主要表现为规模小、能耗高、产品质量差、&三废&排放量大、设备腐蚀严重等新问题。

From the results, the extraction was optimized by using microwave-assisted derivatization at 300 watt for 3 sec with methyl chloroformate/methanol derivatization reagent and sample solution in the ratio of 2:1, and then extraction 30 min.

实验结果显示，利用搅拌子吸附萃取法结合气相层析质谱术分析尿液中胺基酸，衍生化功率为300瓦，衍生化时间为3秒，水样与氯甲酸甲酯/甲醇衍生化试剂体积比为2：1时有最佳衍生化条件。

Sodium5sulfoisophthalic acid dimethyl ester was prepared by sulfonation of mC 6H 4 2 with chlorosulphonic acid , treatment of the 5sulfoisophthalic acid with methanol to esterify the -CO 2H groups and separation of the product in the form of sodium salt of sulfonic acid.

研究了由氯磺酸和间苯二甲酸经磺化及酯化反应合成间苯二甲酸二甲酯磺酸钠盐的工艺方法，探讨了投料比、反应温度、催化剂用量和反应时间对产物的影

The effects of cholic acid concentration and pH of the buffer on separation were studied, and the influences of organic additives such as methanol, acetonitrile, isopropyl alcohol were also examined.

该实验表明电化学检测同样可用于手性物质的分离，从而扩宽了电化学检测的应用范围，并为对映体的定量合成和纯度测定找到了灵敏的检测方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。