介绍了一种用721分光光度计法测定白酒中甲醇含量的方法。
A method of methanol content determine using 721 spectrophotometry is introduced.
用色谱法分析溶液中的甲醇含量，从而计算出气体中的甲醇含量。
Thus, the content of methanol in the gas could be calculated.
酸性树脂的溶胀率随甲醇轻汽油溶液中甲醇含量的增加而增大 ；
The results showed that the methanol in light gasoline feed can swell the sulfonated resin.
研究了原料甲醛中甲醇含量对低醛化(低摩尔比)脲醛树脂性能的影响。
Influence of methanol content in formaldehyde used as raw material for preparing low-formaldehyde (low molecular ratio) UF resin was studied.
粗甲醇中甲醇含量约80%，其余大部分是水，产品精甲醇的纯度可达99%以上。
Crude methanol in the methanol content of about 80 percent, most of the rest is water, methanol fine products in the purity of up to 99%.
粗甲醇中甲醇含量约80%，其余大部分是水，产品精甲醇的纯度可达99%以上。
In the thick methyl alcohol the methyl alcohol content approximately 80%, other majorities are the water, the product fine methyl alcohol purity may reach above 99%.
运用径向基函数网络结合偏最小二乘回归的方法建立了甲醇合成反应器出口甲醇含量的预测模型。
A prediction model of methanol content at the exit of methanol synthesis reactor was proposed through radial basis function networks and partial least square regression approach.
运用径向基函数网络结合偏最小二乘回归的方法建立了甲醇合成反应器出口甲醇含量的预测模型。
The radial basis function networks (RBFN) was combined with the cyclic subspace regression (CSR) in this paper, and a modeling approach by RBFN-CSR was designed.
而采用WILSON物性方法时的模拟计算结果能够满足工艺要求，精馏塔塔顶馏出液中甲醇含量高达99.99%。
The simulation results with the WILSON property method are consistent with design. The methanol mass fraction on the top of rectification tower is up to 99.99%.
设计了分离酵母菌和测定其发酵力（乙醇度）及甲醇含量的方法，初步选育出发酵力较好而甲醇含量较低可作为生产用的乙醇发酵酵母菌菌株。
This article designs the method of separating saccharomycete from nature as well as determining its ferment capacity(anthanol output) and the methanol in the products of ferment.
结果用氯仿做溶媒时苦参中苦参碱的含量明显低于用甲醇或酸性甲醇做溶媒时的含量。
Results It is evident that the content of matrine in Sophora flavescens using chloroform as solvent is less than using methanol or acid methanol.
针对林德公司工艺存在着溶剂甲醇在循环过程中水含量高和损失大的问题与鲁奇公司合成气净化工艺进行了比较。
The paper compares the Lurgi synthesis gas purification technology with that of Linde, in which the cycling solvent methanol has a high water content and consumes considerably.
结果表明，该方法具有简便、重复性好、回收率高等优点，可用于双液相浸取棉仁的甲醇相中棉酚含量的测定。
The results showed that it was a simple method with good reproducibility and high recovery rate in determining gossypol content in methanol phase from two-phase solvent extraction.
提出采用燃烧氧化偶联离子色谱法测定甲醇、碳黑中的氯和硫的含量。
A new method has been developed to determine chlorine and sulfur content in methanol and charcoal by using combustion oxidation coupled to ion chromatography.
从中可以看到国产正规品牌酒样的甲醇及杂醇油含量均能达到国家标准要求。
It can be seen that, in the respect of the methanol and multiple_alcohol content of wine, the wine in our country is able to be up to the standard set in the world.
用该方法测定了5批多烯磷脂酰胆碱注射液中苯甲醇的含量，该方法为多烯磷脂酰胆碱注射液简便、合理、可靠的质量控制方法。
This method has been applied to 5 different polyene phosphatidyl choline injection. This is a more convenient, reasonable and reliable control method for polyene phosphatidyl choline injection.
方法：采用高效液相色谱法对该药中的黄苓苷含量测定，色谱条件：选用十八烷基硅烷键合硅胶，以甲醇：水：冰醋酸（40：60：1）。
Method:Conducted baicalin assaying in this drug by HPLC. Chromatogram condition:Selecting octadecyl Chemically bonded phase silica gel, Methanol:water; glacial acetic acid (40:60:1)as mobile phase.
方法采用甲醇索氏提取，中性氧化铝柱层析分离纯化、高效液相色谱法测定连翘中连翘苷含量。
METHODS The content of phillyrin in forsythia was determinated by using Soxhlet extractor with methanol, separation and purification with the neutral aluminum oxide column and HPLC method.
分析了精甲醇中水的来源，找出造成馏出口水含量超标的原因：回流量不能及时地根据生产负荷的变化而作相应的调节。
The source of water contained in fine methanol was analyzed. The reason of high water content is that the backflow is not timely adjusted according to the change of production load.
此外湿度的增加及空气的刺激有助于菌丝的变红及甲醇萃取物含量的增加。
Besides, increasing the humidity and air stimulating could let the mycelial color changed to reddish color and increased the methanolic extracts of mycelia.
分析了精甲醇中水的来源，找出造成馏出口水含量超标的原因：回流量不能及时地根据生产负荷的变化而作相应的调节。
The reason of high water content is that the backflow is not timely adjusted according to the change of production load.
对反应原料中甲醇的含量对甲苯2,4二氨基甲酸甲酯收率的影响进行了计算。
The effect of methanol content in the raw material on the yield of TDC is investigated.
方法以甲醇-水为流动相，采用HPLC梯度洗脱法，测定了雷公藤药材的根、枝、叶中雷公藤甲素在不同存贮期的含量。
METHOD HPLC gradient elution method was used with methanol-water as the mobile phase to determine the contents of triptolide in its root, branch and leaf at different periods of its storage.
本文采用高效液相色谱法，以甲醇：水（50：50）作为流动相，采用ODS-C18色谱柱，成功地测定了克·福种衣剂中有效成分含量。
Using HPLC reversed phase column(ODS-C18), methanol:water (50:50) as mobile phase, the contents of two active ingredients of Seed-coating of Kefu were determined successfully.
介绍了对55种酒样中甲醇及杂醇油含量测定的结果，并对其含量分布进行了统计分析。
The author introduced the results of the determination of the methanol and multiple_alcohol content of 55 kinds of wine, and made a statistical analysis of their content distribution.
对两种不同的蚂蚁窝进行甲醇提取，并对提取物进行了急性毒性、抗自由基，酚含量、还原能力和抗菌活性的检测。
Methanol extracts of two kinds of formicary were investigated for their free radical scavenging activities, total phenolic content, reduction power and antimicrobial activities.
目的：考察不同提取方法对山茱萸总皂苷测定的影响，为准确测定山茱萸皂苷的含量提供可行方法。 方法： ① 甲醇回流法；
AIM: To review effects of different methods of extracting total saponins from Cornus officinalis so as to provide an effective way to accurately determine total saponins.
结果无水甲醇是浸提三七中皂苷类化合物的较理想溶剂，以三七皂苷r 1为标准品测得该提取液中总皂苷含量为12.3%。
Results the optimal solvent was anhydrous methanol, and the content of total saponins was 12.3% with the standard product R1.
方法甲醇回流方法提取大黄素与大黄酚，高效液相色谱方法测定大黄素与大黄酚含量。
MethodsThe emodin and chrysophanol were extracted by means of methanol-reflux, the contents of emodin and chrysophanol were determined by HPLC method.
方法甲醇回流方法提取大黄素与大黄酚，高效液相色谱方法测定大黄素与大黄酚含量。
MethodsThe emodin and chrysophanol were extracted by means of methanol-reflux, the contents of emodin and chrysophanol were determined by HPLC method.
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