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痕量
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  trace
    Determination of Trace Antimony in Natural Water and Foods by Anodic Stripping Voltammetry
    阳极溶出伏安法测定天然水和食品中痕量
短句来源
    A Rapid Determination on Trace Copper in Canned Food by Polarographic Adsorption Wave
    食品罐头中痕量铜的极谱快速测定
短句来源
    Determination of Trace Thallium in Natural Water and Canned foods by Anodic Stripping Voltammetry
    阳极溶出伏安法测定天然水和罐头食品中的痕量
短句来源
    Determination of Trace Amounts of Lead, Tin Copper and Zinc in Milk Powder by Emission Spectroscopy
    发射光谱法测定奶粉中的痕量元素铅锡铜锌
短句来源
    PROGRESS OF SPECTOPHOTOMETRIC DETERMINATION OF TRACE ALUMINIUM DURING 1975-----1988
    1975—1988痕量铝的分光光度测定法进展
短句来源
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  trace amounts
    Determination of Trace Amounts of Lead, Tin Copper and Zinc in Milk Powder by Emission Spectroscopy
    发射光谱法测定奶粉中的痕量元素铅锡铜锌
短句来源
    Determining in Trace Amounts of Beryllium in Soil by N_2 O-C_2H_2 FAAS on Mechanism of the Relative Interferences
    N_2O-C_2H_2火焰原子吸收法(FAAS)测定土壤中痕量铍——有关干扰作用机理的初探
短句来源
    Spectrophotometric Determination of Trace Amounts of Selenium in Food and Drug-After Enriching Sulfhydryl Cotton
    巯基棉富集-分光光度法测定食品及药物中的痕量
短句来源
    Determination of Trace Amounts ofZinc in Tea by2.5th Differential Stripping Voltammetry
    2.5次微分溶出伏安法测定茶叶中痕量
短句来源
    DETEKMINATION OF TRACE AMOUNTS OF ZINC BY STRIPPING VOLTAMMETRY
    溶出伏安法测定痕量
短句来源
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  “痕量”译为未确定词的双语例句
    Highly Sensitive and Sequential Determination of Different Valence of Tarces Tellurium in Mineral Water Samples by Spetmphotometry
    高敏连续分光光度法测定矿泉水中不同价态的痕量
短句来源
    At the prime conditions, standard deviation (SD) of these samples were from 0.0027 to 0.0054(n=6), relative standard deviation (RSD) were from 0.012 to 0.028 and recoveries added were 95.2% to 104.6% the results were comparatively satisfied.
    在最佳条件下,用这个方法测定了水产品中的痕量硒,当n=6时,标准偏差为0.0027~0.0054,变异系数为0.012~0.028,样品的加标回收率在95.2%~104.6%之间,结果较为满意。
短句来源
    Rapid Determination of Lead in Beer by Differentital Potential Stripping in the Presence of Emulgent OP
    乳化剂OP微分电位溶出法快速测定啤酒中痕量铅的研究
短句来源
    Microwave Digestion of Vegetables and Determination of Cadmium by Graphite Furnace Atomic Absorption Spectrometry
    微波消解石墨炉原子吸收法测定蔬菜中的痕量
短句来源
    Qualitative Analysis of Methamidophos, Omethoate and Carbofuran in Vegetables by GC/CI - MS - MS
    GC/Cl-MS-MS技术用于蔬菜中痕量甲胺磷、氧乐果和克百威的确认
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  trace
Using related sequences of Lucas numbers, other 3-manifolds are constructed, their geometric structures determined, and a curious relationship between the homology and the invariant trace-field examined.
      
Trace Inequalities, Maximal Inequalities, and Weighted Fourier Transform Estimates
      
We show that the trace of an indefinitely oscillating function on a subspace of ?d is not always indefinitely oscillating.
      
In the periodic case, the number of oscillations of the trace depends on the regularity of the function.
      
As applications, we obtain characterizations of the Besov and Triebel-Lizorkin spaces on Lipschitz curves, and the trace theorem on Γ of the Besov spaces onR2.
      
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  trace amounts
Using trypsin as RRS probe, a sensitive method for the determination of trace amounts of DNA was developed.
      
Only trace amounts of radioactivity were detected in the lipids of chromatin prepared from isolated thymus nuclei after their incubation, and this suggested that lipids were mainly synthesized on the nuclear membrane.
      
The salt tolerant Rhodotorula glutinis yeast strain grew in medium containing nitrate, 1 mM tungsten, and trace amounts of molybdenum (as impurities from the reagents used).
      
The sugar chain of comaruman contains residues of D-galacturonic acid (64%), D-galactose (13%), L-rhamnose (12%), L-arabinose (6%), and trace amounts of xylose and glucose.
      
Updated investigation of the reaction between copper and naphthol blue black b and determination of trace amounts of copper in w
      
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A method for rapid determination of Arsenic in Marine sediments and suspended matters by hydride generation and atomic absorption spectrophotometer is described. The samples were digested with an acid mixture of HNO3-H2SO4 (2:1). The resulting Arsenic (V) was prereduced with a 0.7% thiourea and 0.35% ascorbic acid solution to Arsenic (III). Other elements in samples have no interferences on the determination. This method is simple, rapid and sensitive.

本文介绍了硼氢化钾还原氢化法—原子吸收快速测定海洋沉积物和悬浮物中痕量砷的方法。经试验比较,选择硝酸—硫酸消化样品,砷(Ⅴ)经0.7%硫脲和0.35%抗坏血酸预先还原为砷(Ⅲ),样品中共存元素对测定无干扰。本法简便、快速、灵敏。

A method of determination of trace antimony in natural water and foods by the andoic stripping voltammetry on a mercury film electrode is presented. The influence of the interfering coexistent elements were discussed. The Method had been used to determine the antimony in natural water and foods at 0.3 M HCl-alcohoi solution with satistactory results.

本文提出测定天然水和食品中痕量锑的汞膜电极上阳极溶出伏安法,并对其共存元素的干扰情况进行探索。在0.3M盐酸—乙醇溶液中测定了天然水和食品中的痕量锑,得到满意的结果。

This paper makes a study of the determination on polarographic adsorbent wave mothod for determination the trace copper in some canned foods. We found that in the bottom solution system of ammonium acetate-acetic acid-triethanolamine-cupferron, a clear, sensitive and stable wave can be obtainad, which exists between-0.10v and-0.26ve and it can be found out that potential of derivative adsorbent wavecreat is in-0.19v. (SCE). It's detection limit amounts to 1.0×10-8g/ml. This procedure has following advantages...

This paper makes a study of the determination on polarographic adsorbent wave mothod for determination the trace copper in some canned foods. We found that in the bottom solution system of ammonium acetate-acetic acid-triethanolamine-cupferron, a clear, sensitive a