Since the DNA extraction is an essential step of most molecular techniques, an effective method for extracting DNA from environmental samples is very important.
由于大多数分子生物学方法都是以提取研究对象的基因组DNA为前提，因此建立一种高效的环境样品DNA的提取方法具有重要作用。
Solid surface luminescence is a sensitive analytical technique which is very useful for the analysis of trace poisonous organic pollutants in environmental samples.
固体表面发光技术是一种灵敏的分析技术，对于环境样品中痕量有毒有机污染物的分析十分有用。
The technique has been applied to prepare environmental samples, biological samples, food samples and others.
该技术已应用于环境样品、生物样品、食品样品等领域的处理中。
Methods: to analyse the arsenic levels in environmental samples and hair in the polluted areas and a control area.
方法：分析污染区和对照区环境样品和居民头发砷含量。
Rapid detection methods of heavy metal ions in environmental samples include electrochemical methods and biological methods.
环境样品中重金属离子的快速检测技术有电化学方法和生物学方法。
The results show that the material is promising for selective separation and removal of nonylphenol from environmental samples.
结果表明该材料在选择性分离和去除壬基酚具有较好的应用前景。
Hyphenated technology was applied widely in the field of analyzing environmental samples, and it had a vast development foreground.
分析仪器联用技术已在环境样品分析中得到应用，并有广阔的发展前景。
Objective in order to select sensitive primary cells to be used in the comet assay to detect genotoxicity for environmental samples.
目的筛选一种动物原代敏感细胞用于彗星实验，以便更广泛地监测环境样品的遗传毒性。
This article reviewed the application of SBSE in the analysis of environmental samples and discussed the future application prospect.
本文综述了SBSE在环境样品分析中的应用，以及该技术的应用展望。
Sample preparation is a key technical issue for analyzing swipe samples and environmental samples with various characteristics by SIMS.
在用SIMS分析各种性质的环境样品和擦拭样品时，样品制备是关键性的技术。
We can conclude that the 3m Petrifilm is an alternative rapid method for detecting Listeria species in environmental samples from food plant.
这些结果表明3m测试片用于食品加工环境李斯特菌的快速检测不失为一种好方法。
Instead of analysing the genome of a specific organism, scientists sequence all the DNA they find in environmental samples, ranging from seawater to soil.
有别于分析特定生物的基因组，科学家对取自海水、土壤等自然界的生物样本，统统进行DNA测序。
For example, scientists need standard microorganisms to validate an instrument designed to identify threat agents from environmental samples in the field.
例如，科学家需要标准微生物来验证用于鉴别该领域中来自环境样本中的威胁因子的仪器。
The experimental results showed that sequential scan ICP-AES method could be used for determining metallic and non-metallic elements in various environmental samples.
实验结果表明，顺序式扫描ICP - AES法可用于各种环境样品中金属和非金属元素的分析测定。
The application of ID - ICP - MS on the analysis of reference materials, biological and environmental samples over the last years are reviewed. Sixty references are cited.
综述了同位素稀释法电感耦合等离子体质谱近几年来在材料、生物以及环境样品分析中的应用。
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。
In the past twenty years, the use of solid phase extraction techniques has become increasingly popular for separation and preconcentration of trace elemens in environmental samples.
在过去的二十年中，利用固相萃取技术从环境样品中萃取分离富集痕量重金属离子越来越受到人们的重视，应用日益广泛。
Listeria species in environmental samples from the food plant were detected by 3m Petrifilm by identifying the 210 typical colonies and 70 nontypical colonies from 112 environmental samples.
共采集112个环境样本，挑取了210个典型菌落，70个非典型菌落进行鉴定，评估3M测试片对食品加工环境中李斯特菌的检测能力。
Therefore it is recommended to combine the yeast assay with the metabolic activation method based on H4IIE cell line to assay the direct and indirect estrogenic chemicals in environmental samples.
因此，推荐将鼠肝癌细胞代谢活化与重组基因酵母检测的方法相结合，用于环境样品中直接和间接雌激素效应物质的检测。
Environmental samples, as well as food and drinking water, have also been taken and results of tests are awaited.
环境、食品及饮用水也都进行了取样，检验结果尚未出来。
Environmental samples, as well as food and drinking water, have also been taken and results of tests are awaited.
环境、食品及饮用水也都进行了取样，检验结果尚未出来。
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