NH2 column was used with the mobile phase of 0.1% trifluoroacetic acid-acetonitrile by gradient elution.
采用氨基色谱柱,流动相为0.1%三氟乙酸-乙腈(梯度洗脱)。
With the acetonitrile concentration increasing, the activity of papain reduced constantly.
随着乙腈浓度进一步升高,木瓜蛋白酶活性不断降低。
The photolysis kinetics of chlorotoluron including a little acetone, methyl alcohol and acetonitrile in aqueous solution followed a first order reaction under HPML.
在高压汞灯下,含有少量的丙酮、甲醇和乙腈溶液中,绿麦隆的光化学反应符合一级动力学方程。
The milled sample was soaked in water containing NaCl, then extracted with acetonitrile.
磨碎的试样加入少量氯化钠,用水浸泡,再用乙腈提取。
This is especially true for manufacturers that use high conductivity acetonitrile electrolytes.
特别是那些采用高导电乙腈作为电解质的生产商的产品。
The repeatability and accuracy of the analytical method were studied. The effect of different sample introducing amounts and correction factor on flat peak of acetonitrile were discussed.
研究了分析方法的重复性和准确性,讨论了不同进样量和不同的校正因子对扁平乙腈峰的影响。
The method I am using calls for a 10 min, 20-80% acetonitrile-buffer gradient.
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%。
Then the pretreated samples were extracted with acetonitrile, further cleaned up by reverse solid phase dispersion, and analyzed by reversed phase HPLC with diode array detector (DAD).
韭菜样本用微波炉加热处理,使酶钝化消除含硫基质干扰,然后用乙腈提取、逆固相分散净化,用反相高效液相色谱-二极管阵列检测器检测。
A evaluation method for the performances and quality of chromatographic grade acetonitrile with ultraviolet spectrophotometry and high performance liquid chromatography is presented.
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。
Melamine is extracted from muscle tissue with a mixture of acetonitrile and water.
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。
Large and transparence crystais of APNP were grown by the solution cooling methed from organic solvent(7.5%acetonitrile and benzene mixture solution).
用溶液降温法在7.5%乙睛的苯溶液中生长出了块状的透明晶体。
Moreover, fewer plate number and low perforation area lead to low acetonitrile recovery rate and treatment capacity.
塔板数和塔盘开孔率偏低,使乙腈回收率低、处理能力小。
After extracted by acidic acetonitrile, the filtrate was purified by acid diatomite. The target compound in sample was derivatised by Trimethylsulfonium Hydroxide, and then determined by GC-ECD.
样品经酸性乙腈提取,用酸性硅藻土净化,经三甲基氢氧化硫衍生后,用带电子捕获检测器的气相色谱仪进行测定。
Conclusion: This method has been successfully used for the detection of residual acetonitrile and toluene as organic solvents in fluvoxamine.
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。
The result shows that for catalyst CT-4A acrolein is a middle product and acrylonitrile, acetonitrile, carbon dioxide and carbon monoxide could be treated as parallel products.
实验结果表明,在CT-4A催化剂上,丙烯醛为反应过程的中间产物,丙烯腈、乙腈、一氧化碳、二氧化碳等均为丙烯氨氧化的平行产物;
The gradient elution is reasonable when the retention time is 2.3 times after the appearance of prominent peak with initial mobile phase acetonitrile-water (40:60).
用初始流动相乙腈-水(40:6 0)洗脱至主峰出峰保留时间的2.3倍时开始进行梯度洗脱比较合理。
The results show that the combination of adipic acid and acetonitrile is the best catalyst.
结果表明:以己二酸和乙腈组合为催化剂的催化效果最好。
This approach to amino acid analysis offers select advantages with respect to the state-of-the-art PTC amino acid analysis based on acetonitrile.
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。
The heat integration of the regular column sequence is carried out at the point of energy integration for acetonitrile equipment in a rubber plant;
以某石化公司橡胶厂乙腈装置为背景,从能量集成的角度进行了常规塔序的热集成。
Reactions of transition metals with acetonitrile clusters in the gas phase are studied using laser ablation-molecule beam technique.
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。
Adding 40%acetonitrile to the borate running buffer significantly improved the separation efficiency and the fluorescence detection sensitivity.
用自由区带毛细管电泳分离时,分离缓冲液中加入40%乙腈可显著提高柱效和灵敏度。
NH2 column was used with the mobile phase of acetonitrile-water (75:25). The differential refractive index detector was used.
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。
The main by-product during the production of acrylonitrile is acetonitrile.
乙腈是丙烯氨氧化制丙烯腈的主要副产物,用途很小。
Calcium ammine catalyst was prepared with metal calcium, dehydrated liquid ammonia as raw materials, nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.
采用金属钙、脱水液氨、载体纳米二氧化硅及改性剂乙腈与环氧丙烷制备出氨钙体系催化剂。
The mobile phase consisted acetonitrile - water( 1:4).
以乙腈-水(1:4)为流动相;
Additionally, enthalpy and entropy both contributed to enantioseparation when mobile phase was acetonitrile.
流动相为纯乙腈时,焓和熵对对映体的拆分均有贡献。
Microspheric trans aconitic acid imprinted polymers were synthesized via a precipitation polymerization with acetonitrile as dispersion solvent.
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。
Methanol, n-propyl alcohol, acetonitrile and carbon tetrachloride were selected as "molecular probe".
选用甲醇、正丙醇、乙腈、四氯化碳作探针分子。
This paper reports the synthesis of 2-heptanone in the functions of absolute potassium fluoride and acetonitrile.
报道了在无水氟化钾和乙腈作用下2 -庚酮的合成。
This paper mainly introduces the pilot study of the first chromatogram class acetonitrile.
本文主要介绍一级色谱纯乙腈的中试研究。
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