查询词典 methanol

Results There were about 15 kinds of chemical poisons including vinyl chloride,polyvinyl alcohol,isoparaffin,polyvinylacetate,sodium hydrate,ammonia,acid hydroc,methanol,diesel oil,carbon monoxide,carbon dioxide,sulfur dioxide,nitrogen oxides,ozo...

结果在聚氯乙烯的生产过程中，作业场所存在化学毒物较多，主要包括氯乙烯、聚氯乙烯、聚乙烯醇、过氧化物、异链烷烃类、聚乙烯乙酸酯、氢氧化钠、氨、盐酸、甲醇、柴油、一氧化碳、二氧化碳、二氧化硫、氮氧化物、臭氧、二氧化锰等。

Leading products are urea, ammonium bicarbonate, methanol, hydrogen peroxide, melamine, isopropylamine, formaldehyde, urotropine, and so on. 2005 sales revenue will reach 1 billion yuan, and profits and taxes will reach 82 million yuan.

主导产品有尿素、碳酸氢铵、甲醇、双氧水、三聚氰胺、异丙胺、甲醛、乌洛托品等。2005年销售收入将达到10亿元，实现利税将达到8200万元。

Jinzhou Chemical landing six branches now have the world's larger 5,000 tons / year, Central Sulfolane a plant to produce 1,500 tons mainly isopropylamine / devices in a production, domestic production of methyl iso unique ---A, two isobutyl ketone and methyl isobutyl ketone methanol mainly 1,500 tons / year of a production plant.

锦州六陆化工分公司目前拥有世界上较大的5000吨/年环丁砜生产装置一套、以生产异丙胺为主1500吨/年生产装置一套、国内独有以生产甲基异丁基酮甲酮、二异丁基酮和甲基异丁基酮甲醇为主1500吨/年生产装置一套。

Methods: Co1umn: Berger PYR(Ethyl pyridine, 250mm×4.6mm, 6μm); Mobile phase: CO2-methanol with 0.2% isopropylamine (77:23), Pressure: 100bar, Temperature: 35℃, Flow: 2.0mL/min, Detection wavelength: 225nm.

色谱柱：Berger PYR（乙基吡啶柱，250mm×4.6mm，6μm），流动相：超临界CO2-0.2%异丙胺甲醇(77：23)，压力：100bar，温度：35℃，流速：2.0mL/min，检测波长：225nm。

In this research, a 2D analytical mathematical model of a direct methanol fuel cell was developed to describe not only electrochemical reactions on the anode and cathode electrodes, but also transport phenomena within the fuel cell, operating isothermally at steady state.

在本研究中，我们建构一个甲醇燃料电池的数学模型，并推导得出其解析解。

Then, the whole herb of Juncus effusus was extracted with 95% ethanol. The ethanolic extract was further separated with petroether, chloroform, ethyl acetate and methanol in turn to give four fractions.

用95%乙醇提取制备了总提取物，然后将总提物用石油醚、氯仿、乙酸乙酯、甲醇依次萃取，分成极性大小不同的部位，通过药理活性筛选后确定了有效部位为乙酸乙酯部分。

The results indicated the order of factors that influence the oil transesterification ratio within the experimental range was as follows: the rate of rotation r＞catalyst dosage＞mole ratio of methanol to Kosteletzkya virginica oil ＞reaction time＞reaction temperature.

结果表明，在试验范围内各影响因素对酯交换率作用的大小依次为：搅拌强度＞催化剂用量＞醇油摩尔比＞反应时间＞反应温度。

The optimal technological parameters of oil transesterification from Kosteletzkya virginica oil should be as follows: the rate of rotation 1800r.min-1, catalyst dosage 0.6%, mole ratio of methanol to Kosteletzkya virginica oil 6/1,reaction time 60min and reaction temperature 65℃, and under such conditions, the total oil transesterification ratio after transesterification three times is 97.8%.

海滨锦葵油制备生物柴油的最佳工艺参数为：搅拌强度为1800r.min-1，催化剂KOH用量为海滨锦葵油质量的1%，醇油摩尔比6/1，反应时间60min，反应温度65℃，在该工艺条件下，酯交换反应三次，酯交换率达到97.8%。

The stem barks of Lagerstroemia calyculata Kurz were extracted with methanol and isolated with silica gel column chromatography.

副萼紫薇的茎皮经甲醇冷浸提取，依次用石油醚、乙酸乙酯和正丁醇萃取。

Limonin and nomolin from citrus fruits could be obtained to use No.2 solvent extracting in water bath for 60 minutes at 50℃, and identified and determined by TLC and HPLC effectively. The recovery of two components were 90.4% and 91.1% respectively. The HPLC analysis system included: C18 column (4.3mm ×25cm), the elution with methanol : acet...

柠檬苦素类化合物在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样化和除虫等方面的明显效应问，越来越受到人们的重视，所以，在功能食品、保健品以及

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。