internal standard的例句大全

Research on analytical conditions on polymetal elements with internal standard method

内标法测定多金属元素分析条件的研究

A gas chromatographic method for the determination of dimethyl carbonate ( DMC) purity and its impurities has been developed with HP-Wax polar capillary column and thermal conductivity detector. Cyclopentanol was used as an internal standard.

提出用HP-Wax强极性毛细管柱分离，热导检测器检测，以环戊醇作内标定量，同时测定碳酸二甲酯纯度及其杂质。

Methods: After the herbs was extracted and refined, micropills was produced with pectin selected as coating material and thallium monochloride was as internal standard substance.

方法：药物提取，精制后，制成微丸，选取经特殊处理果胶为包衣材料，氯化亚铵作为放射性内标物。

determination of amino acids in plasma and urine by physiological fluid analysis and internal standard method

内标准的生理液分析法测定血浆和尿游离氨基酸

X-Ray Fluorescent Scattered Internal Standard Method for Determination of Zirconium and Hafnium in Niobium base Alloy

X射线荧光散射内标法测定铌合金中的锆

Tetracaine was used as a internal standard.

选择丁卡因作为内标准品。

The methods to deal with soil sample and calculate the residual concentration and of PCBs were established. Hexachlorobenzene was introduced as internal standard of recovery.

确立了含PCBs土壤样品的预处理方法，以六氯苯为回收率内标，建立了准确分析土壤样品中PCBs浓度的方法；

CyA was quantified by absorbance at 208 nm , with cyclosporine D as internal standard.

采用环孢菌素D为内标,在208nm处紫外定量检测.

A DB-1 wide bore capillary column was used with propanol as the internal standard.

采用DB -1 大口径毛细管柱,以正丙醇为内标.

Function and application of surrogate and internal standard in environmental sample analysis

替代物和内标物在环境样品分析中的作用及应用

The configuration isomers of tetramethrin and permethrin were seperated completely. The resolution of alpha-cypermethrin from cypermethrin isomers was 1.10. internal standard was used for quantitation.

在所选择的操作条件下，氯氰菊酯中α-氯氰菊酯的最小分离度达1.10，胺菊酯、氯菊酯的2对顺反异构体也得到完全分离。

as our experimental results showed, the matrix interference can be compensated by proper selection of internal standard elements, so that the excitation energy level and the atomic or ionic radius of the standard can match those of the analyte.

实验结果表明，只要选择合适的内标元素，可以校正基体干扰。

Determination of dehydroacetic acid and sorbic acid and benzoic acid in food by gas chromatography internal standard method

气相色谱内标法测定食品中防腐剂脱氢乙酸、苯甲酸和山梨酸

Through internal standard method to analyze the purity of tsingtao beer

气相色谱内标法分析啤酒中乙醇的含量

Determination of export magnesite by ICP-AES and concentration ratio variable internal standard method

ICP－AES浓度比可变内标法测定出口镁砂

Objective: To develop a GC/ MS method for the determination of 3-chloropropane-1,2-diol ( 3-MCPD) in food using deuterated internal standard.

目的：建立以氘代同位素内标测定食品中3-氯-1,2-丙二醇的GC/MS方法。

Third, elaborating standard of martially the internal standard of misrepresentation and suggesting that China should learn Investor decision-making standard from the United States.

再次，在虚假陈述行为的内在标准上，剖析虚假陈述行为中的重大性认定标准，提出我国应借鉴美国采用投资者决策标准。

Determination of dimer and styrene in butadiene by internal standard gas chromatography

气相色谱内标定量法分析丁二烯中二聚体和苯乙烯含量

PABA as Internal Standard in Method of HPLC for Determining 5-FU Concentration in Serum

HPLC测定5-FU方法中内标物对氨基苯甲酸的研究

METHODS: A single 2 mg dose of granisetron tablet or nasal spray was given to beagles in a randomized crossover design. The drug plasma concentrations were determined by HPLC fluorescence method using bisoprolol fumarate as internal standard.

方法：比格犬采用随机、自身交叉给药，分别口服片剂、鼻腔给喷雾剂，用HPLC荧光方法测定格拉司琼血浆浓度。