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]
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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。
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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。
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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。
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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。
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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。
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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。
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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
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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。
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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。
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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。
- 推荐网络例句
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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。
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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。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。