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- The article gave a minute description of operational method and skill in measuring trace free TDI in polyurethane prepolymer by gas chromatography. 详细叙述了用气相色谱法测定聚氨酯预聚体中微量游离TDI的操作方法和技巧。
- The checking-out range of silicon and phosphorus is settled through measuring trace silicon and phosphorus in ferromanganese with ICP-AES. 利用ICP-AES测定锰铁中微量硅和磷的方法,确定了硅和磷元素的检出限。
- This paper proposed adopted two derivative in oscillopolarography to measure trace molybdenum in the rock samples,raised analytical sensitivity of molybdenum elements. 采用示波极谱二次导数部分,来测定岩石样品中的微量钼,提高钼元素的分析灵敏度。
- The experiment results proved that atomic fluorescence spectrometry (AFS) could measure trace element lead (Pb),arsenic(As) and marcury (Hg) in cosmetics and food. The method wa worth developing with simple operate and reliable results. 实验表明,采用原子荧光光谱法(AFS)可测定食品、化妆品中的微、痕量铅(Pb),砷(As),汞(Hg)元素,操作简便,结果可靠,是值得开拓的分析方法。
- Differential optical absorption spectroscopy (DOAS) technique has been used to measure trace gases in the atmosphere by their strongly structured absorption of radiation in the UV and visible spectral range, e.g. SO_2, NO_2, O_3 etc. 差分吸收光谱技术(differential optical absorption spectroscopy,DOAS)是利用气体分子在紫外-可见光谱范围的特征吸收来测量其浓度含量,如SO2,NO2,O3等。
- Then hemalbumin was immobilized to the activated vehicle Sepharose 4B with the couple ratio of 5.3mg hemalbumin per gram vehicle to make hemalbumin column, which was applied to measure trace hydrogen peroxide. 将血红白蛋白固定在已活化的Sepharose 4B载体上制成血红白蛋白柱子,偶联率达每克载体结合5.;3mg血红白蛋白。
- Keywords Calibrator;Enzymatic activity determinant;Measurement traceability; 酶活性测定;酶校准品;溯源性;
- The checking-out range of silicon and phosphorus is settled through measuring trace silicon and phosphorus in ferromanganese with ICP-AES.This method is proved accurate,fast,simple and steady. 利用ICP-AES测定锰铁中微量硅和磷的方法,确定了硅和磷元素的检出限。结果表明,该方法准确快速简便,稳定性好。
- Measuring Trace Ethyne in Lox by Gas Chromatography 气相色谱法测定液氧中微量乙炔
- Scientific measurement of the head. 头测量学,头测量学,测颅学头颅的科学测量
- MEASURING TRACE EIEMENT Zn IN HAIR BY AAS METHOD AAS法测定毛发中微量元素锌
- Measurement of the depth of large bodies of water. 海洋测深学,海洋测深术测量大水域的深度
- The scientific measurement of time. 计时学时间的科学测量
- Study of the Measurement Traceability of Potassium in River Water by Isotope Dilution Mass Spectrometry 同位素稀释质谱法用于河水中钾的测量溯源性研究
- A standard of measurement or judgment; a criterion. 标准测量或判断的标谁; 标准
- Terms and definitions used in description of measurement traceability in laboratory medicine 临床检验量值溯源中的重要术语与概念及有关问题
- The overall measurement of this room is 80 square meters. 这个屋子的总面积是80平方米。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候?
- The Interpretation and Application of Measurement Traceability in Laboratory Accreditation 实验室认可量值溯源的理解及应用
- Discussion on Measurement Traceability in the Chemical Testing of Sanitarian Food and'CPM 保健食品和中成药掺化学品检测中的量值溯源问题研讨