甲醇

The quantitative analysis of mefenacet and bensulfuron methyl in wettable powders mixture was undertaken by HPLC, using methanol and water as mobile phase.

采用高效液相色谱法，以甲醇和水作流动相，同时测定苯噻草胺·苄嘧磺隆可湿性粉剂中苯噻草胺和苄嘧磺隆含量。

This is the first report of pectenolone and pectenoxanthin, two types of carotenoid, in the muscle of the Yesso scallop.3 Roles of the carotenoids composition and accumulation in Yesso scallopThe method for detecting carotenoids using reverse phase high performance liquid chromatography was developed. The conditions of RP-HPLC analysis were an analytical scale (200×4.6 mm, inner diameter 5μm) Eclipse XDB-C18 column of Agilent corporation; 10μl injection volume; 25°C column temperature; acetonitrile, methanol and methylene dichloride mobile phase (40:56:4, V/VV) with 0.1% BHT; 1.0 ml per minute flow rate; 450 nm UV-VIS detector; 8 minutes elution.The carotenoids from orange muscle of Yesso scallop of 7, 10, 12, 15, 18, 22 months old was detected using the method refered above.

通过柱层析、高效液相等手段对橘红色闭壳肌中的主要类胡萝卜素进行了提取分离，分离提纯得到两种类胡萝卜素，并通过MS、~1H-NMR和~(13)C-NMR对其进行结构鉴定，结果表明(3S，3\'R)-3，3\'-dihydroxy-7\'，8\'-didehydro-β，β-Caroten-4-one和(3S，3\'S)-7，7\'，8，8\'-tetradehydro-β，β-Carotene-3，3\'-diol，俗称pectenolone和pectenoxanthin是橘红色闭壳肌中的主要类胡萝卜素，这是国内外首次对虾夷扇贝闭壳肌中的类胡萝卜素进行提纯及结构鉴定。3虾夷扇贝类胡萝卜素的种类组成和累积变化规律建立了橘红色闭壳肌中类胡萝卜素的HPLC分析定量检测技术：色普柱为Agilent公司的Eclipse XDB-C18柱200mm×4.6mm，i.d.5μm进样体积，5μl ；流速1ml/min；检测波长450nm；柱温25℃；流动相为乙腈：甲醇：二氯甲烷(V/V/V=40：56：4并加入0.1%的BHT；分离时间为8min。

When they were diluted to 1%, the eye irritation of acet, alcohol and DMSO were little, while methanol had eye irritation still.

当稀释为1%后，丙酮、乙醇、二甲基亚砜无眼刺激性，但甲醇刺激性仍然较高。

The analytical column was a C 18 stainless steel column(200 mm× 4.6 mm, 5 μm); the mobile phase consisted of a mixture of 0.01 mol/L ammonium acet...

检测条件：分析柱为C18不锈钢柱（200mm×4.6mm，5μm）；流动相为0.01mol／L乙酸铵－甲醇（95∶5）；流速为1.5ml／min；柱温为40℃；紫外检测器波长为265nm。

MAIN OUTCOME MEASURES: The amount of trypan blue absorbed by the CAM. RESULTS: The correlation coefficient between CAM-TB score and Draize eye irritation was 0.925 9. Glycerol had no eye irritation potential, while acet, alcohol, methanol and DMSO had.

结果：鸡胚尿囊绒膜-锥虫蓝吸收法与体内兔眼刺激实验评分结果相关性很好（R2=0.925 9）。5种常见有机溶剂未稀释时，甘油无眼刺激性，丙酮、乙醇、二甲基亚砜、甲醇均有较高刺激性。

"Methano:l Simplest of the alcohols , chemical formula CH3OH."

甲醇：是醇类化合物中最简单的一种，化学式CH3OH。

Previous compound technics consumed a lot of dextrin,and in order to depleting the toxicity of iron sorbit ,we need use methanol and ethanol for refining it.

山梨醇铁是三价铁、山梨醇与柠檬酸的胶体络合物，以前的合成工艺消耗大量的糊精，为了降低山梨醇铁的毒性，需要用甲醇和乙醇进行精制。

Experiment on the transesterification and esterification of acidified soybean oil has been studied.

试验研究了大豆酸化油在复合酸催化剂的作用下与甲醇发生转酯化和酯化反应生成脂肪酸甲酯的最佳反应条件。

The repeated using and catalytic activity of these solid acid catalysts have been studied in the synthesis of biodiesel using acidified soybean oil as raw material.

试验研究了大豆酸化油在复合酸催化剂的作用下与甲醇发生转酯化和酯化反应生成脂肪酸甲酯的最佳反应条件。

The blood plasma was dealt with by acidified methyl alcohol,and the content of cefditoren in blood plasma was measured by HPLC.

以酸化后的甲醇处理血浆。采用高效液相色谱法对血浆。头孢妥仑的含量进行测定。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。