查询词典 chromatographic

The fast fourier transformation method with computer was used to increse the signal to noise ratio in high resolution gas chromatographic trace analysis .

将计算机快速富里叶变换应用于高分辨率气相色谱痕量分析中，以增加色谱峰的S/N比，提高分析精度。

In order to recover dimethyl formamide, a gas chromatographic method with thermal conductivity detector for its determination has been established.

建立了用于回收二甲基甲酰胺的气相色谱测定方法。

From the chromatographic retention data it was possible to calculate the separation factors for the two solutes and to obtain values for thermodynamic parameters such as the Gibbs free energy ΔG(subscript s and the enthalpy ΔH(subscript s of adsorption of water and ethanol on the fuel ethanol special adsorbent.

由气相色谱的保留时间计算出水和乙醇的分离因子和吸附剂吸附水、乙醇的吉布斯自由能变化ΔG(下标 s、吸附焓变ΔH(下标 s等热力学参数。

HPLC-DAD methods for analyzing of the nine compounds in Chinese propolis, samples, including caffeic acid, ferulic acid, p-cinnamic acid, kaempferol, apigenin, pinocembrin, chrysin and galangin and for the chromatographic fingerprint of propolis in different regions of China were established.

建立了高效液相色谱法测定中国蜂胶中9个酚类化合物(咖啡酸、p-香豆酸、阿魏酸、山奈酚、芹菜素、白杨素、高良姜素、乔松素、松鼠素)含量的方法；建立了中国蜂胶的高效液相色谱指纹图谱。

Methods Chromatographic column coupled with gallinaceous ovomucoid was used to isolate and purify WGA.

先制备鸡卵黏蛋白的亲和吸附剂，然后用其纯化麦胚凝集素。

A method of determination of residual solvents in XN was established by GC.The chromatographic conditions were as follows:PEG-20M of 8% was spread on 101carrier;FID, The temperature of gasify room, column and detector were 120℃, 90℃ and 240℃ respectively.

本文确定了气相色谱法测定烟酸占替诺中有机残留溶剂乙醇的检测条件：固定相为8%聚乙二醇20M 101担体；氢焰离子化检测器；气化室、柱箱和检测室温度分别为120℃、90℃和240℃；载气为氮气。

Subsequently the residues were dissolved in heptane for chromatographic analysis. The results obtained for serum and CSF were (294±101) mg/L and (312±103) mg/L, respectively, which were remarkably higher than that of control samples (192±37 mg/L and (153±81) mg/L and other patients with neural system diseases serum (150±34 mg/L, CSF(173±29) mg/L.

结果显示，线粒体脑肌病患者的血清、脑脊液中乳酸含量分别为(294±101) mg/L 和(312±103) mg/L，比正常人(192±37 mg/L 和(153±81) mg/L以及神经系统其他疾病患者(150±34 mg/L和(173±29) mg/L显著增高(P＜0.05)。

Methods: The chromatographic separation was performed on a Hypersil ODS2 column(250 mm×4.6 mm, 5 μm) with mobile phases of potassium dihydrogen phosphate hexyl amine solution-acetonitrile(74∶26) for the determination of its related substances and methanol-0.05 mol/L potassium dihydrogen phosphate solution(1∶1) for the determination of dexbetamethasone sodium phosphate. The flow rate was 0.8 ml/min, the detection wavelength was 254 nm, the column temperature was 25℃ and the sample size was 20 μl.

色谱柱为Hypersil ODS2柱(250 mm×4.6 mm，5 μm)；有关物质测定的流动相为磷酸二氢钾己胺溶液-乙腈(74∶26)，含量测定的流动相为甲醇-0.05 mol/L磷酸二氢钾溶液(1∶1)；流速为0.8 ml/min，检测波长为254 nm，柱温为25℃，进样量为20 μl。

A gas chromatographic method for determination of cholesterol was applied to distinguish hogwash oil from the edible vegetable oil.

动物脂肪中普遍含有大量的胆固醇，而在植物油中一般不含或含有极少量的胆固醇。

A new method using gel permeation chromatographic cleanup followed by high performance liquid chromatography-tandem mass spectrometry has been established for quantitative determination of Maleic hydrazide,Prowl and butralin residues in tobacco.

建立了用凝胶渗透色谱净化-液相色谱-串联质谱分析烟草中3种抑芽剂残留的方法。卷烟中的待测抑芽剂组分用V∶V=1∶1超声提取后通过凝胶渗透色谱净化；凝胶色谱柱为Biobeads S-X3玻璃柱(50 g，400 mm×25 mm)，流动相为V∶V=1∶1溶液，流速5 mL/min；收集第10~25 min流出的液体用液相色谱色谱-三重四极杆串联质谱仪测定。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。