片语

trace amount of bromide微量溴离子

trace amount of nitrogen微量氮含量

trace amount of cobalt痕量钴

trace amount of cyclohexane微量环己烷

trace amount phenol微量酚

trace amount of water痕量水

trace amount of lead痕量铅

trace quantity痕量

trace amount of calcium微量钙

trace amount element痕量元素

英汉例句

• the lateritization and other similar agents accompanied by tertiary peneplanation enrich the trace amount of gold in basement rocks to a commercially significant extent.

  与第三纪时期準平原化相伴的红土化、类红土化作用，使基巖中的微量金富集到具有经济价值的程度。

• gold minerals occur mainly as irregular medium-fine grained native gold, containing trace amount ofkustelite with minor associated elements.

  金矿物以不规则中细粒自然金为主，含微量金银矿，伴生元素少。

• this paper describes the atomic absorption method in which the pyrogallol is used as releasing agent to assay directly the trace amount of calcium in calcium tungstate in air-acetylene flame.

  本文选用了焦（?）酚作释放剂，在空气—乙炔火焰中直接测定钨酸中的微量钙。

• brass powder: three kinds of powder, type10, type20 and type30 , can been offered. rare earth element and other trace amount of alloy element can been added.

  黄铜粉：分10、20、30黄铜粉，可添加稀土等微量合金元素，分为用于含油轴承及金刚石制品两类。

• the application of the hollow cathode discharge source in the trace amount element analysis is recommended.

  并介绍了空心阴极光源在痕量分析上的应用。

• significant effect of copper, phosphor and sulphur content in trace amount was observed.

  硫、磷含量在很小范围内即有明显作用。

• it was found that the fluorescence spectra of the agrochemicals are very different. according to these results one can detect the trace amount of ag…

  据此，可利用拉曼光谱仪根据拉曼谱和荧光光谱的不同，实时实地和快速地识别这些农药及其在粮食、蔬菜、水果表面上的可能残留。

• it is suggested that abc-ib is very effective on studying complex and trace amount antigen.

  本文提示，abc免疫印迹是分析复杂而微量的抗原的一种有效方法。

• in other words, the trace amount of hf acts as a reaction promoter and can raise the catalyst selectivity for the alkylation significantly.

  这是一个重要和有趣的实验现象，它说明微量hf反应助剂可大幅度提高固体酸催化剂对烷基化反应的选择性。

• a simple and rapid method for the determination of trace amount of tin in pure lead metal by spiccato flow hydride generation atomic fluorescence spectrometry (hg afs) is described.

  在试验基础上，研究高纯铅中微量锡的氢化物-原子荧光光谱简便、快速测定方法。

• this paper reports a pulse stripping voltammetry for determining trace amount of silver at non-mercury carbon fiber electrodes.

  本文报道了一种使用无汞膜碳纤维微电极测定痕量银的脉沖溶出伏安法。

• fe2o3 69%. also contains trace amount of calcium, magnesium, potassium, sodium, chromium, manganese, cadium, copper, zinc and arsenic.

  约69%。尚含钙，镁，钾，钠，铬，锰，镉，铜，锌，砷等微量元素。

• it was found that the appropriate and trace amount of platinum compound blended with al(oh)3 or silica fillers had a positive impact on the flame retardance and charring of vmq.

  结果表明，微量且适量的铂化合物与氢氧化铝或含硅填料并用，对硅橡胶的成炭性和阻燃效果有积极影响。

• the micronuces test technique in vicia faba is very significant to prevent and cure the trace amount of organic matter in water, which is more sensitive to the poison on water environment.

  蚕豆根尖微核检测技术是对环境有毒物反应更灵敏的一种监测方法，对于水体中痕量有机物污染的防治工作有重要的意义。

• the method was satisfactorily applied to determine the trace amount of copper in the biological samples, including chicken liver, potato and young garlic shoots.

  方法已用于生物样品鸡肝、土豆、蒜苔样品中痕量铜的测定。

• as a trace amount of edta is added, which often results in denaturation of protein, the phosphorescence intensity and lifetime are decreased.

  极少量的edta加入，导致蛋白质变性、光减弱和光寿命缩短。

• a glass tube containing catalyst 401 which is used as a color indicator for trace amount of oxygen was connected with the sample tube to monitor the purity of carrier gas during operation.

  为了检测载气的纯度，在样品管进口直接连接装有变色的401型脱氧催化剂的检测管。

• this special action of the trace amount of the promoter in alkylation is defined as promotion effect, which has been confirmed repeatedly in our laboratory.

  我们把微量反应助剂在固体酸催化烷基化反应中的这种特殊作用称为对烷基化反应的促进效应，这种促进效应已经在我们实验室中被反复证实。

• besides, the minimum limits of different detecting waves were measured to give the method to detect trace amount of aristolochic acid.

  测定不同波长下的最低检出限度，痕量分析条件。

• geochemists paid more attention to the study of reservoir molecule tracing with the trace amount distribution of btex in formation water.

  地层水中苯的痕量分布作为油气藏分子示蹤的研究，得到国外石油地球化学家们的广泛重视。

• the results show that it is a effective means to concentrate trace amount of volatile organic substance in gc analysis.

  实验表明，该装置是痕量挥发性有机物浓缩富集-气相色谱分析的有效手段。

• trace amount of arsenic in petroleum products is poisonous to some catalysts containing noble metals. therefore, a cheap and fast method for arsenic determination is searched.

  石油产品中痕量砷的存在可使某些贵金属催化剂中毒，为此研究出了一种简单、快速的测砷方法。

• the method is characterized by stripping and absorbing completely, simple operation and high precision. it is suitable for the determination of trace amount of sulfide in water and wastewater.

  该方法具有吹取完全、吸收完全、操作简单、準确度高的优点，适用于水和废水中微量硫化物的测定。

• it is verified that ph ase separation of trace amount of water in the organic solvent is the most possible course of vacuole formation.

  实验证明，气泡主要是由于有机溶剂中微量水的微相分离造成的。

• it is more difficult to treat trace amount of silver and mercury ions than those of large amount in liquid.

  论文摘要在实际的水处理过程中，含有微量银、汞离子的废水处理往往比含大量银、汞离子的废水更加困难。

• in the normal tissues of grass carp, ccl4 gene had the highest expressional level in spleen, followed by heart, muscle, gill, liver, and little amount in intestine and kidney, trace amount in brain.

  正常组织中，ccl4基因在草鱼脾脏表达量最高，心、肌、鳃、肝中次之，肠和肾中有少量表达，在脑中有痕量表达。

• moreover, the solid phase micro-extraction membrane is already applied to toxicant separation in body fluid and trace amount organic pollutant enrichment and separation in water.

  本发明已在体液中有毒物质分离、水中痕量有机污染物富集和分离方面得到应用。