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- The determination of tetramine and fluoroacetamide using GC-MS method in unknown sample was discribed in this paper. 本文采用GC-MS法测定杀鼠剂产品中是否含有毒鼠强及氟乙酰胺,其方法准确、迅速、可操作性强。
- A method of reducing matric effects to make the matric of unknown sample similar to stan dard sample was introduced. 提出了一种减小基体效应的方法,使待测样品与标准样品的基体非常相似。
- Instead of tedious calculation, users can now quickly figure out the unknown sample concentration through a simple copy and paste process. 一个简单的复制粘贴,用户可以很容易指出未知样本的浓度,而不需要通过繁琐的计算。
- Analysis of an early previously unknown sample of the virus, collected in central Africa, shows that it could have been spreading amongst humans as early as the 1880s. 经过对早前一例从中非搜集到的该病毒未知样本的分析,表明它可能早在19世纪80年代就已在人类之间传播。
- Successfully completed the all-year work I was in ged with, and smoothly passed the assessment of unknown sample which was conducted by the Yangtze Water Environment Monitoring Center. 工作描述:顺利完成了全年所承担项目的监测工作,并一次性通过了长江流域水环境监测中心的盲样考核。
- Objective:To explore the predicting ability of model to unknown samples. 目的:探讨模型对未知样本的预测能力的优劣。
- Using Charged Particle Activation Analysis (CPAA), the concentration of oxygen in a thin boron target was determined, and the method of analyzing the thin unknown sample in comparison with the thick standard was studied. 应用带电粒子活化分析法(CPAA)对硼薄膜中的氧含量进行了测量,并对利用厚标样分析薄样品中的元素含量的比较测量方法进行了研究。
- The carboxylic in unknown samples was determined by this method with good results. 用本法对未知氧化度样品的羧基含量进行测定,得到了较好的结果。
- Obtain your unknown samples from your TA. Immediately record the identification numbers of the unknowns. Record the emission spectrum for each unknown. 、不管您是亲自或由他人来采集光谱,您也应当处于光谱仪附近,记录下您对每一个已知溶液的肉眼观察结果。
- To test the capability of the method for practical sample analysis, about 100 unknown samples were measured. And a comparison of P - EDXRF and WDXRF in respect of the results and performances was made. 本工作通过约100个实际样品分析,并与波长色散X射线荧光法(WDXRF)分析结果的比较,对P-EDXRF的分析性能进行了评价。
- Methods The known and unknown samples were tested with the screening reagents and their sensitivity, specificity and efficacity were compared from 2004 to 2007. 方法用各参评试剂对已知样本与未知样本进行检测,统计各试剂敏感性、特异性和功效率,分析4年评估结果。
- Real data set from near infrared reflectance spectra of Paracetamoli powder pharmaceutical were used to build up artificial network to predict unknown samples. 使用扑热息痛粉末药品的近红外漫反射光谱数据建立人工神经网络模型,预测未知样品。
- The leading role is played by a complete unknown. 演主角的是一个毫无名气的演员。
- The star of the film is a previously unknown actor. 这部电影里的明星以前是个默默无闻的演员。
- A real data set from near -infrared diffuse reflectance spectra of spironolactone pharmaceutical powder was used to built up an artificial neural network model to predict unknown samples. 使用安体舒通粉末药品的近红外漫反射光谱数据建立人工神经网络模型,预测未知样品。
- What I need is nothing but a sample. 我需要的不过是一件样品而已。
- Its greater part is unknown to me. 它的大部分对我是未知的。
- He was an unknown painter one year ago. 一年前,他还是一个不为人知的画家。
- The nurse took a sample of my blood for tests. 护士抽了我的血样去化验。
- This is a fact hitherto unknown. 这是一个至今无人知道的事实。