摘要目的:建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
To found a method to detect the residual solvents of penicillin sodium for injection: butanol acetic ether and butyl acetate.
采用微量化学方法和固相萃取技术,建立了气相色谱法简单、快速、准确地测定荞头中甲胺磷农药残留量的方法。
A gas chromatographic method for the determination of methamidophos pesticide residues in the Allium Chinense was established by means of micro chemistry and solid phase extraction techniques.
用大口径毛细管气相色谱法跟踪监测了西安地区夏秋两季14种蔬菜167个样品中有机磷农药残留量。
The residues of organic phosphorus pesticide were determined by large bore capillary gas chromatograph in 167 samples of 14 kinds of vegetables in Xi an region.
本文用气相色谱法考察测定了全国7个生产厂家22个批号的氨苄青霉素钠的有机溶媒残留量。
By using gas chromatography residual organic solvents were determined in 22 batch Numbers of ampicillin sodium produced by 7 pharmaceutical factories of our country.
采用程序升温气相色谱法和氢火焰离子化检测器,对土壤中15种农药的残留量进行检测,该法简便、快速。
The amounts of 15 kinds of pesticide residues in soil were determined by gas chromatography of programing temperature with FID detector. The method is simple and rapid.
试验结果表明,加入湿法白炭黑超细粉的试样拉伸强度比添加气相法白炭黑者提高了54%,扯断伸长率提高了64%,磨耗量降低了20%。
The results showed that the sample by adding the ultrafine powders of silica aerogel increased the tensile strength 54%, the elongation at break 64%, decreased the abrasion loss 20%.
建立微波萃取-气相色谱法同时分离测定水果、蔬菜中7种有机磷农药残留量的方法。
A method of separating and determining 7 organophosphorous pesticides residues in fruits and vegetables at the same time by gas chromatography was established.
建立了快速溶剂萃取-气相色谱法同时测定含脂羊毛中47种有机磷杀虫剂残留量的方法。
This study developed a method for simultaneous determination of 47 organophosphorous pesticides in greasy wool by accelerated solvent extraction (ASE) coupled with GC-NPD.
对延时曝气法而言,理论上污泥生成量应为零。
Theoretically sludge yield is nil for the extended aeration process.
第五章,采用高速匀浆法提取、柱层析法净化技术,成功建立了气相色谱质谱法同时测定银杏叶中5种有机磷农药残留量的方法。
Chapter five: A simple and rapid method was used to determine the residues of 5 organophosphorus pesticides in Ginkgo Biloba leaves by gas chromatography-mass spectrometry (GC-MS).
对于一阶导数间断的物理量——气膜厚度采用高精度保凸性磨光法进行处理。
Smoothest approximation method, with high precision and capacity of keeping concave and convex feature of original outlines, is used to deal with the derivative discontinuity of gas film thickness.
为了进一步证明二氧化锰对甲醛的去除效果,简化实验装置等,比较了气相法和液相法的吸附结果,研究了甲醛溶液浓度和吸附剂粒度对甲醛吸附量的影响。
In order to determine the efficiency of formaldehyde removal and simplify the experimental equipment, the adsorption capacities were compared between gas phase method and liquid phase method.
前言:目的:建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
Objective: to found a method to detect the residual solvents of Penicillin Sodium for Injection: butanol, acetic ether and butyl acetate.
浮法生产线设计:可以设计日熔化量为200吨—900吨的浮法生产线,燃料可以是重油、煤气、天然气、焦炉煤气等。
Float production line design: We can design float production line with daily melting capacity of 200t-900t, the fuel can be heavy oil, coal gas, natural gas, coke-oven gas or others.
目的:建立一种气相色谱法同时测定原料药头孢唑林钠中有机溶剂丙酮,二氯甲烷、乙醇残留量的方法。
Objective: Using the headspace Gas - chromatography methods to measure the assay of residual solvent (acetone, ethylene chloride and ethanol) in Cefazolin sodium.
方法:采用顶空毛细管气相色谱法,以标准溶液加入法测定三七提取物中有机溶剂残留量。
Methods: The samples were injected into HP-INNOWAX capillary column by headspace sampler and analyzed with FID detector using standard addition method.
应用超临界流体萃取气相色谱法快速测定拟除虫菊酯残留量。
The supercritical fluid extraction gas chromatography was used to determine quickly.
应用超临界流体萃取气相色谱法快速测定拟除虫菊酯残留量。
The supercritical fluid extraction gas chromatography was used to determine quickly.
应用推荐