乙腈

MethodsBy high perfomance liquid chromatography method, mobile phase was acetamide plus water solution of sodium heptansulfonic acid and sodium phosphate.

方法采用高效液相色谱法，用乙腈与庚烷磺酸钠磷酸钠的水溶液为流动相，流速 1 。0ml/min ，柱温 4 0℃，检测波长为 2 80nm ，进样量为 2 0 μl。

Objective: To predigest former disposal of sample, avoid the damage of eluent: acetonitrile and acetone to the human body, reduce the cost and improve stability of HPLC apparatus.

目的：简化样品的前处理，避免高效液相色谱淋洗液乙腈、丙酮溶液对人体的损害，降低成本、提高仪器稳定性。

Crystal structure of α-momorcharin in 80% acetonitrile was studied in the third part.

论文第三部分工作对苦瓜蛋白-α晶体在80％乙腈中的结构进行了研究。

Methanol and acetonitrile are the important organic solvenst, which are widely used in chemical and pharmaceutical industry and so on.

甲醇、乙腈是两种重要的有机溶剂，在化工、制药等领域广泛使用。

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。

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。

This article deal with a new process for high-purity acetonitrile synthesis from ethanol.

提出了一种合成高纯度乙腈的新工艺。

Hence, the use of acetonitrile for the production of more valuable chemicals and products will be a very important technological achievement.

因此，如何将乙腈转化为其它有用的化学品，是提高经济效益和社会效益的有效途径。

Influence of pH on the fluorescence of ZTRS in acetonitrile/water (50:50, v/v).

那个 图1。影响pH值对荧光ZTRS在乙腈/水（50：50，第V / 5）。

Column: Agilent C18; mobile phase 10mol.l-1 monobasic Acetate buffer, 20 mol·L-1triethylamine solution adjusted to pH5.5 with Acetic acid -acetonitrile ,gradient elution, flow rate: 0.6 mL·min-1; Results:The Traditional Chinese Medicines contained Acarbose, Phenformin and Glibenclamide, and can be separated completely.

色谱柱：Agilent ZORBAX ODS C18柱(5μm，4.6×250mm， Agilent)；流动相：醋酸盐缓冲液(10mol·L-1醋酸胺，20 mol·L-1三乙胺，用醋酸调节pH5.5)与乙腈，梯度洗脱，流速：0.6 mL·min-1，色谱检测波长234nm，格列吡嗪为内标物进行定量分析。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。