trace concentrations是什么意思

网络释义

用法例句

The progress in determining the minim Gallium which includes absorptiometric analysis is introduced, and various analytical approaches are discussed such as spectrophotofluorimeter, atomic absorption spectrophotometry and polarographic method etc.

由于镓是稀散金属 ,且分布分散 ,因此对于微量镓的分析测定就极为重要 。

Study on Simultaneous Determination of Trace Fe~(2+) and Fe~(3+) in Rock Salt by Spectrophotometry;

分光光度法同时测定岩盐中微量Fe~(2+)和Fe~(3+)的研究

Detecting the Content of Trace Methanol,Ethanol,Acetone,Methoxycarbonyl Acetate,Vinyl Acetate from Industrial Cooling Wastewater with Gas Phase Chromatography Method;

用气相色谱法测定工业冷却废水中微量甲醇、乙醇、丙酮、醋酸甲酯、醋酸乙烯的含量

The determination of trace calcium in highly purity RE samples by the atomic absorption spectrophotometry combined with standard addition method;

标准加入原子吸收分光光度法测定高纯稀土产品中的微量钙

Green Chemistry Should Be Made from the Chemical Experiment——On Preparatory Instrument of Semi-microscale Organic Experiment;

绿色化学应当从化学实验开始——谈半微量有机制备仪的设计思想

Smallscale semimicro microscale organic experiments have been practised step by step.

本文介绍了小量—半微量—微量有机化学实验的教学内容和特点 ,及在教学中初步试用的效

Determination of glutamate in microamount cerebrospinal fluid after acute brain injury in mice;

小鼠急性脑损伤后微量脑脊液谷氨酸浓度的测定

This paper introuduced to use volumetric analysis to determine the microamount calcium and magnesium in sodium sulfate by diminishing the affect of iron(Ⅲ), and validated the reliability of this method.

提出采用沉淀分离法消除Fe3 + 等离子的干扰 ,用容量法来测定Na2 SO4中微量的钙、镁含量 ,并验证了该方法的可靠

Spectrophotometric determination of micro iron with the ternary complex system of FeⅢ-acetylpropanone-crystal violet;

FeⅢ-乙酰丙酮-结晶紫三元络合物分光光度法测定微量铁

Study on Chromosome Aberrations Test determinated by Micro-whole Blood Culture in Vacuum Blood Collection Tube;

微量全血真空采血管培养法应用于染色体畸变分析的研究