internal standard的例句大全

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

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。

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。

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。

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

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

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。

The column temperature was increased by programming with the sample entrance and detector being at250 ℃. The carrier gas was nitrogen. The flow rate was1ml/ min and shunting ratio was25 ∶ 1.N-octyl alcohol was used as internal standard.

方法色谱柱为DB-WAX毛细管柱，柱温采取程序升温，进样口及检测器温度为250℃，载气为氮气，流速为1ml/min，分流比为25∶1，内标为正辛醇。

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。

Objective To develop a internal standard A in NOVA 16 analyzer reagent pack.

目的：研制NOVA16全自动急诊生化分析仪试剂包内标准A液。

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；

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

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。

Piracetam tablets were determined by HPLC using phenacetin as internal standard.

以非那西丁为内标，采用HPLC法测定吡拉西坦（脑复康）片的含量。

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

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

A GC-MS method was developed for the identification and quantitative determination of β-estradiol residues in the muscle tissues of various fishes/ shellfishes, using deuterated internal standard.

建立了不同鱼贝类肌肉组织中以氘代同位素为内标测定β-雌二醇残留量的气相色谱-质谱（GC-MS）方法。