用于痕量元素分析，存储有机溶剂。
对痕量铁分析方法进行了研究。
本文首先介绍了痕量元素的挥发模型。
Firstly, the model of the vaporization of trace elements was introduced.
该法能很好的捕集水样，铜精矿中的痕量钼。
The method can be used to trap trace molybdenum in water samples and copper concentrate.
可直接用于酒品类中微量铜或痕量铜的测定。
谁也不知道这些痕量的残存病毒有没有传染性。
本文讨论了痕量元素分析中随机误差的规律性。
The regularity of random error of trace element analysis is discussed.
目的研究同时测定生活饮用水中痕量砷和汞的方法。
To explore a method for simultaneously detecting arsenic and mercury in drinking water.
它们在天然煤(或称“全”煤)中仅以痕量存在，并不构成问题。
They occur in such trace amounts in natural, or "whole," coal that they aren't a problem.
这种痕量元素就是使得偷得浮生半日闲更加令人惬意。
This subversive element is what makes the time stolen more pleasurable.
影响痕量氯分析的主要因素为电极污染及参考电极失效。
The main factors influencing trace chlorine are electrodes pollution and the invalidation of the reference electrodes.
土壤痕量气体研究在这一新兴学科中占有相当重要的位置。
Of the new branch, research on soil trace gases will play an important part.
本研究使用石墨炉原子吸收测定人体头发中痕量钒的含量。
The trace vanadium in human hair was determined by using graphite furnace atomic absorption spectrometry.
用氢氧化铁共沉淀水中痕量砷，沉淀用离心机分离和富集。
The arsenic in water samples was first enriched by co-precipitation with iron hydroxide.
该法能很好的捕集水样，锌精矿和人工合成锌样中的痕量镓。
The method can be used to trap trace gallium in water samples, zinc concentrate and artificial zinc samples.
该文综述了近年来水样中痕量汞的分离富集与分析测定方法。
The methods of separation, enrichment, and analysis of trace mercury in water samples in recent years were reviewed in the present paper.
正如违禁药品的情况一样，痕量的合法药物也通过了污水处理设备的过滤。
Much like illegal drugs, traces of pharmaceuticals often filter through traditional sewage-treatment processes.
总结了一些微量元素和痕量元素对形变铝合金组织、性能的影响。
The effects of some trace elements on structures and properties of wrought aluminium alloys are summarized.
该法快速、灵敏、准确，适合油炸米制品中痕量丙烯酰胺的测定。
This method is suitable for determining trace acrylamide in fried rice product with rapidity, sensitivity and accuracy.
利用质量平衡实验验证了切向超滤实验对痕量金属回收的可行性；
The mass balance experiment shows that it is feasible to recover trace metals by cross flow ultrafiltration experiment.
实际上，利用“表面增强拉曼光谱”的设备能够检测到十亿分之一的痕量物质。
In fact, a device using "surface-enhanced Raman spectroscopy" can detect traces of less than one part per billion.
探讨了用离子交换分离富集极谱法测定岩矿样品中的痕量金的方法。
The method to determine trace gold in rock salt samples with ion exchange separation and enrichment is approached.
光声技术由于其高灵敏度的特性目前被广泛应用于痕量气体检测领域。
Photoacoustic technology is widely used in fields of trace gas detection due to its high sensitivity.
CUSDT固相微萃取管可以从痕量或微量浓度把目标分析物提取出来。
Target analytes can be sampled from trace to neat concentrations using the CUSDT SPME syringe.
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冲溶出伏安法。
This paper reports a pulse stripping voltammetry for determining trace amount of silver at non-mercury carbon fiber electrodes.
他们将容器充满由蒸发液态氮和液态氧得到的纯空气，再加入水蒸气和一些痕量气体。
They fill the container with pure air made by evaporating liquid nitrogen and liquid oxygen, and add water vapour and some trace gases.
研究了石墨炉原子吸收法测定合金钢中痕量砷的实验条件和干扰抑制方法。
The conditions and interference restraint for determining trace arsenic in alloy steel by graphite furnace atomic absorption spectrometry were researched.
研究了石墨炉原子吸收法测定合金钢中痕量砷的实验条件和干扰抑制方法。
The conditions and interference restraint for determining trace arsenic in alloy steel by graphite furnace atomic absorption spectrometry were researched.
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