色标

The Di(2-ethyl hexyl) Adipate in Nenjiang river water was extracted by hexane with ultrasonic generator.

采用超声波提取技术，用正己烷提取嫩江水中己二酸二(2-乙基己基)酯增塑剂，以气相色谱/质谱联用选择离子监测法检测，外标法定量。

Methods: To determine the quantity by ELSD-HPLC and calculate contents with external standard two-point method and logarithmic equation.

采用高效液相色谱法，以蒸发光散射检测器检测，采用外标二点法对数方程计算含量。

For the liquid, the DMF is adopted as internal standardand and with fixed phase of OV-101 of 15 meters capillary column, vapour-phase chromatography FID is successfully used to have a quantitative analysis on mesitylene and acetic acid.

对于液体，采用以DMF为内标物，固定相为OV-101的15米毛细管柱，使用气相色谱FID成功的进行了均三甲苯和乙酸的定量分析。

Has established the Avey rhzomorph through the field test remains the analysis method in the sea cabbage and the soil, and remained to it in the sea cabbage and the soil has carried on the determination, the sample with the methyl cyanide extraction, after extracting the revolving concentration nearly did, with the few methyl cyanides dissolves, passed through PRS the solid phase extract column to purify again, eluent air-dried after the nitrogen with the nitrogen methyl imidazole and the trifluoroacetic acid bitter wine grows, the derivative with the highly effective liquid chromatography analysis, used the external standard legal quantity.

通过田间试验建立了阿维菌素在甘蓝及土壤中的残留分析方法，并对其在甘蓝和土壤中的残留进行了测定，样品用乙腈提取，提取液旋转浓缩近干后用少量乙腈溶解，再经PRS固相萃取柱净化，洗脱液经氮气吹干后用氮甲基咪唑和三氟乙酸酐衍生，衍生物用高效液相色谱分析，采用外标法定量。

The cis-9, trans-11-CLA was extracted with hexane-isopropanol,methylated with methanol-sodium methylate and cis-9,trans-11-CLA was separated and quantified using gas chromatography.

样品经正己烷-异丙醇提取、甲醇-甲醇钠甲酯化后，进行气相色谱分析；采用程序升温，以保留时间定性，外标法定量。

The response constant and the molecular weight separation curve are first calibrated with homo-polymer standards.

首先用均聚物标样定出尺寸排除色谱柱的响应常数和分子量分离校准曲线。

To detect the 6-gingerol in ginger and its products, a method with high performance liquid chromatography was investigated with 6-gingerol oxime as the internal standard substance.

建立了一种以6-姜酚肟代替6-姜酚为标样，采用高效液相色谱法，精确测定生姜及其制品中6-姜酚的方法。

Methods Paracetamol was analyzed with HPLC,ODSC18 was packed in the analytical column,and phenacetin as internal standard.the mobile phase consisted of methanolwater(70:30)and the flow rate was 1.0 ml/min,The UV detection wave length was 257 nm.

采用ODSC 18色谱柱，内标为非那西丁，流动相为甲醇水(70：30，v/v)，流速1.0 ml/min，检测波长257 nm，测定泰诺片中对乙酰氨基酚的含量。

Zorba XODS（4.6×250mm）was used as chromatographic cylinder,methyl alcohol-aqueous（44:59v/v）as flow phase,phenacetin as a internal standard substance,to carry onviolet light（λ/nm235）detection.

色谱柱采用ZorbaXODS C18（4.6×250mm）柱，以甲醇-水（41：59V/V）为流动相，非那西汀为内标物，紫外λ/nm235检测。

By using three broad distribution standards of polytitanocarbosilane whose number average molecular weights are determined by VPO, the calibration equation of gel permeation chromatography of the preceramic polymer polytitanocarbosilane which generally haslow average molecular weight and high branching degree was established as follows: ln M=

采用以气相渗透法测定了数均分子量的宽分布含钛聚碳硅烷作标样，通过计算机辅助建立了具有较低分子量和较高支化度的陶瓷先驱体聚合物——含钛聚碳硅烷的凝胶渗透色谱校准方程lnM＝20.9－0.843T。

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。