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痕量

na.【化】trace
网络trace amount; ppb; trace amounts

痕量

英-汉网络释义

痕量

trace amount

amount to ... total amount of wage fund 工资基金总额 trace amount 痕量 trigger amount 起动数额 ...

ppb

...，为实验室用户提供更快的分析速度，杰出的稳定性以及痕量（ppb）级别检测能力，其检测限相比传统设计降低了5倍。

trace amounts

WorldWideScience.org Topics : T ... trabecular bone( 小梁骨) trace amounts( 痕量) trace elements( 痕量元素) ...

Trace Analysis

在很多痕量（Trace Analysis）分析中，要求进行空白分析。即：只是不加样品，其他操作和样品分析时相同的分析操作，此时 …

ppm

丰度_百度百科 ... 锌 Zn 痕量 75 ppm 铜 Cu ...

in traces

机械专业英语词汇-机械资讯-马棚网... ... intracell flux 栅元内通量 in traces 痕量 intraconnection 内连，互连，内引线 ...

例句：

Hence , the preliminary separation and preconcentration of trace elements from matrix is often required .

因此，从基体中分离和预富集痕量元素显得十分必要。

The method has been used for the determination of trace beryllium in osmotic water and sediment .

利用抗坏血酸的增感作用直接测定了渗透水和水系沉积物中的痕量铍。

However , it may not be possible to remove absolutely every trace of material , even with a reasonable number of cleaning cycles .

然而，完全除去痕量的物料是不可能的，尽管带有合理的清洁次数。

It shows that the extraction method can be used for enriching trace nonyl-phenol in water efficiently .

该萃取方法可有效富集水中痕量壬基酚。

Tritium is radioactive and is believed to be the main source of the major traces of 3He found in the atmosphere .

氚是放射性的，并且确信是大气中痕量 3He 的主要来源。

Still, traces of atmosphere can be found as high as 370 miles (600 kilometers ) above the surface.

但是痕量的大气依然存在于离地 370 英里（600 公里）处的高空。

The method has high sensitivity and fair selectivity and can be applied to direct determination of trace amounts of cadmium in pure zinc .

方法有高灵敏度和较好的选择性，可用于纯锌中痕量镉的测定。

The technology can be used to detect octafluoroisopropene trace in waste water and environmental gas with satisfactory result .

利用本技术测定废水、环境气体中的痕量全氟异丁烯得到了满意的效果。

The determination result of the trace water in SF 6 by the improved device tallies with that by P 2O 5 electrolysis method.

测定六氟化硫气体中痕量水，其测定结果与五氧化二磷电解法基本相符。

Microwave extraction technique is a rapid, accurate and effective method to determine trace hexachlorocyclohexane and DDT in soil .

利用微波萃取可快速、准确、有效的测定土壤中痕量六六六、滴滴涕。

Ion -molecule reaction can be used for the analysis of trace gases .

离子 -分子反应可用于痕量气体分析研究。

This method was applied to the determination of nitrite in tap water and lake water with satisfactory results .

使用此方法来检测水中痕量亚硝酸根离子，得到了满意的结果。

Conclusion The method established can be applied to determinate aristolochic acid and detect trace amount exactly.

结论本实验所的方法可以的马兜铃酸含量分析并痕量检查。

A new and sensitive catalytic kinetic method was set up for the polarographic determination of manganese.

基于此现象，建立了测定酱油中痕量苯甲酸的催化动力学荧光新方法。

Main interests are environmental opt-ics, spectroscopic methods for trace gases and new environmental pollution monitoring technology .

主要从事环境光学特性、有害痕量气体光学与光谱学监测方法、新型环境监测技术研究。

It is ideal for use in chemical industry , trace metals and other types of laboratories where contamination cannot be tolerated.

其被广泛应用于化学实验室、痕量金属实验室等高洁净要求实验室环境。

This method achieved a very low limit of detection by pre-concentration to satisfy the requirement of detection of trace estrogens in water .

该方法主要针对水中的痕量雌激素，采用对样品进行富集和测定，从而大大地降低了检测限。

This paper introduced solid phase extraction(SPE) technique in details in collecting trace organic vapour pollutants in ambient atmospheres .

祥细介绍了固相萃取技术采集环境空气中痕量有机化合物的方法。

痕量

痕量

trace amount

ppb

trace amounts

Trace Analysis

ppm

in traces

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