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乙腈

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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。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。