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methanol相关的网络例句

查询词典 methanol

与 methanol 相关的网络例句 [注:此内容来源于网络,仅供参考]

East African Breweries, a division of Diageo, launched a cut-price beer, Senator Keg, to help reduce demand for illicit alcohol, which is cheap but is frequently contaminated with methanol, fertilisers and battery acid.

原译: 东非啤酒厂,迪阿吉奥公司的一个部门,研发出一款名叫&Senator Keg&廉价啤酒,以此降低对非法酒精的需求量。非法酒精价格虽然便宜但常常被甲醇、肥料和电池酸污染。

The biogenic amines in test samples were extracted by 10% trichloroacetic acid and then derived with benzoyl chloride. The HPLC analysis for the samples were conducted as the following condition: mobile phase was a gradient elution program of methanol and water, the flow rate was 0.8 mL/min.

用10%的三氯乙酸提取样品中的生物胺,采用苯甲酰氯衍生处理后,以甲醇/水为流动相,进行梯度洗脱,流速0.8 mL/min,紫外检测器波长为254 nm。

Seven biogenic amines were extracted from a sample with 6% perchloric acid, then derivatized with benzoyl chloride. 0.02 mol/L borate buffer (pH 9.2) containing 0.06 mol/L sodium deoxycholate-methanol (95∶5, v/v)was used as a running buffer. The detection wavelength was set at 214 nm. The separation was achieved within 12 min. Good linearities were observed from the calibration plots in the concentration ranges.

样品经6%过氯酸萃取后,由苯甲酰氯衍生化,以含0.06 mol/L脱氧胆酸钠的0.02 mol/L硼酸(pH 9.2)-甲醇(体积比为95∶5)混合液为电泳介质,电泳电压25 kV,温度25 ℃,检测波长214 nm,在12 min内实现了7种生物胺的完全分离。7种生物胺的浓度与其峰面积在一定的范围呈良好的线性关系,检出限除组胺为15 μg/g外,其余均为5 μg/g。

Methyl phenyl glyoxylate was prepared firstly by reaction of 2-methyl benzoyl chloride with NaCN. The reaction of 2-methyl phenyl glyoxylate with methanol gave the target product methyl 2-methyl phenyl glyoxylate. An improved 3 step synthetic method of methyl 2-methyl phenyl glyoxylate was studied. The optimization conditions were presented.

以2-甲基苯甲酸为原料,酰化后与氰化钠反应生成2-甲基苯甲酰腈,经甲酯化生成2-甲基苯甲酰甲酸甲酯,改进了三步合成2-甲基苯甲酰甲酸甲酯的方法,并对反应时间、反应温度等影响因素进行了优化,确定了合成反应中的最优化条件。

An ODS C18column was used with the mobile phase of methanol∶salt phosphate buffer (20∶80),at the detection wavelength of 254 nm.The flow rate was 1.2 mL/min.

以ODS C18柱为色谱柱,ψ(甲醇∶pH4.5磷酸盐缓冲液)=20∶80为流动相,流速1.2 mL/min,检测波长254 nm。

Analytical C18 column with 15 cm length was used while eluted with mobile phase containing 50 mM phosphate salt buffer: acetonitrile: methanol=67:22:11. The flow rate was set at 1.0 ml/min to complete one sample for OLZ, DMO, and internal standard within 30 minutes.

移动相则为50 mM磷酸盐缓冲液(pH5.7):ACN:MeOH =67:22:11,在流速为1 ml/min设定下可於30分钟完成一个OLZ、DMO含内部标准品之血样分析;测定灵敏度皆为1 ng/ml。

Proton exchange membrane ; full cell ; catalyst ; methanol ; carbon nanometer tube

质子交换膜;燃料电池;催化剂;甲醇;碳纳米管

The invention provides a method for preparing a tube-shaped cathode of a direct methanol fuel cell, belonging to the fuel cell field and comprising the steps of: dispensing a single solution for gel injection molding at first, then adding a mesophase bituminous coal micro ball into the single solution and stirring evenly to obtain stable slurry, then casting the slurry into a die, preserving heat until the single solution reacts with a cross-linker completely to obtain a carbon-biscuit, after drying and sintering the biscuit in vacuum, preparing a diffusion layer and a catalyst layer on the surface by dipping process, and then coating polyester electrolyte membrane with a burette, rolling the carbon on a warm table to solidify the electrolyte membrane.

一种制备直接醇燃料电池管状阴极的方法,属于燃料电池领域。本发明首先配制凝胶注模用单体溶液,之后将中间相沥青炭微球加入到单体溶液中,搅拌均匀得到稳定的浆料,然后将浆料浇注到模具中,保温至单体与交联剂完全反应,得到炭管素坯,将素坯烘干、真空烧结后,在其表面采用浸渍工艺制备扩散层、催化剂层,然后采用滴管涂覆聚合物电解质膜,在加热台上对炭管进行滚压,使电解质膜固化。

Using coal to produce car fuel methanol and other chemicals is a competitive and practical way under the condition of current global rising oil prices and China's high natural gas prices.

电力等多联产系统,使褐煤得到洁净合理的利用。

State-owned Shenhua has already announced plans to transform itself from a coal miner into a producer of power, oil, chemicals and methanol.

国有的神华集团已宣布计划,旨在把自身从一家煤炭开采企业,变成电力、石油、化学品和甲醇生产商。

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