Other environmental sampling was negative.
其它环境样本呈阴性。
In the safeguards environmental sampling, analyzing isotopic ratio of single uranium-bearing particle in swipe samples was very important.
在核保障环境取样分析中，对含铀单微粒进行元素和同位素分析是十分重要的。
These sources of error and uncertainty include variations in flare efficiency, mis-identification of flares, non-continuous sampling, and environmental effects like snow reflection.
这种误差来源和不确定性包括燃除效率差异、燃除的判断错误、不连续的采样、以及像雪花反射那样的环境影响。
Now sampling and monitoring have resumed, under the aegis of the International Atomic Energy Agency (which has a sideline in environmental monitoring).
现在，在国际原子能的资助下，对这一区域地下水的取样和监测工作又重新开始了。
Upwards of 250 billion microscopic pieces of plastic are adrift in the Mediterranean, recent sampling by a European environmental group suggests.
某欧洲环保组织最近的抽样调查发现，地中海漂浮着超过2500亿颗的塑料微粒。
On the basis of such research, it also presents a portable gravity corer, which is regarded as a suitable sediment sampling tool for environmental research sectors.
研究了重力取样器的取样技术，并在此基础上成功设计了一种便携式的重力式取样器，非常适合环境研究机构的沉积物取样工作。
Thus, it will improve the environmental research to study the sampling technology of gravity corer.
因此研究重力取样器的取样技术对环境研究具有积极的意义。
Statistical treatment of environmental monitoring data obtained by grab sampling of carbon disulfide in a certain synthetic fibre factory was carried out.
通过对某化纤厂二硫化碳的定点采样资料的分析，探讨了环境监测的数据处理。
The sampling methods and conditions, qualification and quantification of the volatile organic compounds in environmental tobacco smoke were reviewed.
对环境烟草烟气中的挥发性有机成分的采样方式、采样条件以及定性定量方法进行了综述。
The paper analyze elemental sampling program, and study an optimal sampling policy for environmental monitoring.
本文分析了基本抽样程序，并用来解决环境监测的抽样优化问题。
Line transects of systematic sampling were used to survey the fundamental characteristics of the environmental variables in the study area.
通过系统取样的样线法调查整个研究区域环境变量的特征。
With the dredging projects in the Lower Yellow River, the environmental background values of the dredging silt have been determined by means of on site sampling and measurement.
结合黄河下游疏浚工程，通过现场取样和化验，确定了疏浚底泥的环境背景值。
It is highlighted the use of area sampling and personal sampling in the environmental monitoring and the application of various biomarkers in biological monitoring of vinyl chloride exposure.
通过对氯乙烯职业接触评估方法的阐述，重点介绍了环境监测中定点采样和个体采样的使用方法，以及各类生物标志物在氯乙烯生物监测中的应用。
Scene sampling is an important part of indoor environmental pollution test.
现场采样是室内环境污染物检测中的一个重要环节。
A method has been developed for the determination of trace lead in the environmental samples by slurry sampling with graphite furnace atomic absorption spectrometry (GFAAS).
提出了悬浮液进样石墨炉原子吸收光谱法测定环境样品中痕量铅的分析方法。
The principles and the frame of the system to measure liquid height by ultrasonic is presented. The circuit of exciting ultrasonic and sampling environmental temperature is detailed.
介绍了超声波液位测量系统的工作原理和系统框图，给出了详细的超声波发射电路和环境温度采样电路。
But here on Earth, science fiction is becoming reality through a new sampling technology called environmental DNA, or eDNA for short.
但是在地球上，通过一项名为环境DNA(简称eDNA)的新型采样技术，科幻小说正逐渐成为现实。
Sampling undisturbed lacustrine sediment is a critical job for environmental research. The recovery and undisturbedness of samples ha ve direct effect on the environmental research results.
在湖泊环境研究中，淤泥质沉积物取样是一项很重要的工作，样品的取心率和原状性直接影响了环境研究的结果。
The complete product range includes temperature-resistant and heated-head types ideally suited for environmental emissions sampling and analytical instrumentation applications, among others.
完整的产品系列包括耐高温和加热头类型，环境排放物取样和分析仪器等的理想应用。
This method is suitable for environmental measurement for it's high sensitivity when sampling with low flow rate.
该方法的计算误差在4%以内，使用小流率取样时，具有较高的灵敏度，能适用环境测量的要求。
The applying principle of grey relational analyzing method has been briefly described. The environmental quality grade for each water body of the sampling points has been confirmed.
简要评述了灰色关联分析方法的应用原理，确定了各采样点水体的质量等级。
Analyses and evaluations of the bird habitats: Environmental quality of the investigating sampling areas were evaluated by referring evaluation methods of developed countries.
鸟类栖息地分析与评估：参考国外栖息地评估方法，对调查样区环境状况进行了评估。
On the support of GIS technology and through the method of net sampling, the data of basic environmental elements and biomass per acreage of sampling sites were obtained.
以环境要素数据为自变量，样点单位面积生物量为因变量，采用二元四次多项式建立趋势方程并生成立体模型。
The parameter uncertainties of environmental risk analysis of LPG leakage and explosion can be treated by random sampling guesswork method in this paper.
采用随机抽样推测法处理LPG泄漏爆炸事故风险分析中参数不确定性问题。
The environmental quality grade for each water body of the sampling points has been confirmed. These can provide certain reference for the using and protecting the shallow groudwater resource in …
简要评述了灰色关联分析方法的应用原理，确定了各采样点水体的质量等级。
The environmental quality grade for each water body of the sampling points has been confirmed. These can provide certain reference for the using and protecting the shallow groudwater resource in …
简要评述了灰色关联分析方法的应用原理，确定了各采样点水体的质量等级。
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