以乙腈-水（1：4）为流动相；
用水淋洗、乙腈洗脱固相萃取柱。
The SPE column was washed with water and eluted with acetonitrile.
乙腈和聚合物始终为代谢毒素。
Acetonitrile and polymer are metabolic toxin at all the time.
提出了一种合成高纯度乙腈的新工艺。
This article deal with a new process for high-purity acetonitrile synthesis from ethanol.
本文主要介绍一级色谱纯乙腈的中试研究。
This paper mainly introduces the pilot study of the first chromatogram class acetonitrile.
小麦样本用甲醇提取后，用乙腈和正己烷分配。
The wheat grain samples were extracted by methanol, and then the extract was partitioned between acetonitrile and hexane.
改用乙腈加异丙醇；
Acetonitrile and iso-propanol were used as the extractive solvent.
选用甲醇、正丙醇、乙腈、四氯化碳作探针分子。
Methanol, n-propyl alcohol, acetonitrile and carbon tetrachloride were selected as "molecular probe".
乙腈连续回收装置是与丙烯腈生产主装置相配套的。
Acetonitrile continuous recovery plant is a subsidiary part of acrylonitrile production unit.
随着乙腈浓度进一步升高，木瓜蛋白酶活性不断降低。
With the acetonitrile concentration increasing, the activity of papain reduced constantly.
流动相为纯乙腈时，焓和熵对对映体的拆分均有贡献。
Additionally, enthalpy and entropy both contributed to enantioseparation when mobile phase was acetonitrile.
乙腈是丙烯氨氧化制丙烯腈的主要副产物，用途很小。
The main by-product during the production of acrylonitrile is acetonitrile.
报道了在无水氟化钾和乙腈作用下2 -庚酮的合成。
This paper reports the synthesis of 2-heptanone in the functions of absolute potassium fluoride and acetonitrile.
磨碎的试样加入少量氯化钠，用水浸泡，再用乙腈提取。
The milled sample was soaked in water containing NaCl, then extracted with acetonitrile.
特别是那些采用高导电乙腈作为电解质的生产商的产品。
This is especially true for manufacturers that use high conductivity acetonitrile electrolytes.
塔板数和塔盘开孔率偏低，使乙腈回收率低、处理能力小。
Moreover, fewer plate number and low perforation area lead to low acetonitrile recovery rate and treatment capacity.
结果表明：以己二酸和乙腈组合为催化剂的催化效果最好。
The results show that the combination of adipic acid and acetonitrile is the best catalyst.
介绍了三氯乙腈的合成方法及应用，分析了其产销现状及前景。
The synthesis of trichloroacetonitrile and application were introduced. The status of production and sales, and its prosperity were analysed.
三聚氰胺是通过乙腈和水的混合物将其从肌肉组织中提取出来的。
Melamine is extracted from muscle tissue with a mixture of acetonitrile and water.
此法可用于替代代表新科技水平的PTC -氨基酸乙腈分析系统。
This approach to amino acid analysis offers select advantages with respect to the state-of-the-art PTC amino acid analysis based on acetonitrile.
以乙腈为分散剂，采用沉淀聚合法合成了反乌头酸分子印迹聚合物微球。
Microspheric trans aconitic acid imprinted polymers were synthesized via a precipitation polymerization with acetonitrile as dispersion solvent.
通过对乙腈法丁二烯抽提装置热平衡分析，提出了节能降耗的合理化建议。
The heat balance of butadiene extraction unit by acetonitrile is analyzed, and Suggestions for reducing energy consumption of butadiene extraction unit are pro - posed.
在乙腈、聚乙二醇存在下，用苯甲醚与硝酸铈铵反应合成了邻硝基苯甲醚。
In the presence of ethanonitrile and polyethylene glycol, anisole reacts with ammonium ceric nitrate to form o-nitroanisole.
我正在用的方法它的梯度是10分钟内，乙腈-缓冲液从20%变到80%。
The method I am using calls for a 10 min, 20-80% acetonitrile-buffer gradient.
结论：本方法可应用于测定马来酸氟伏沙明中有机溶剂乙腈与甲苯的残留量。
Conclusion: This method has been successfully used for the detection of residual acetonitrile and toluene as organic solvents in fluvoxamine.
介绍了一种新的丙烯氨氧化法生产丙烯腈过程副产乙腈的连续精制工艺技术。
This article introduces a new propylene-ammoxidation process that produces acrylonitrile with acetonitrile as byproduct.
本文对检测阿德福韦双匹酯甲醇、乙腈和醋酸异丙酯残留量的方法学进行了研究。
This paper reports the text on the validation of determining procedures of these residual solvents in adefovir dipivoxil.
利用紫外分光光度计和高效液相色谱仪建立了色谱纯乙腈的性能和质量的评价方法。
A evaluation method for the performances and quality of chromatographic grade acetonitrile with ultraviolet spectrophotometry and high performance liquid chromatography is presented.
采用氨基键合硅胶柱，以乙腈-水(75∶25)为流动相，使用示差折光检测器。
NH2 column was used with the mobile phase of acetonitrile-water (75:25). The differential refractive index detector was used.
用激光溅射-分子束技术，研究了几种过渡金属离子与乙腈团簇分子的气相化学反应。
Reactions of transition metals with acetonitrile clusters in the gas phase are studied using laser ablation-molecule beam technique.
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