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- Results TLC spots developed w ere fairly clear, and the blank test showed no interference. 结果薄层图谱斑点清晰,阴性对照无干扰。
- Experiments for single toxicants were conducted in small aeration bucket with respect to blank test. 本研究限于单种毒物,采用对照试验的方法,在小型活性污泥曝气桶中完成。
- Methods The nitric acids fromdifferent habitats were used to carry on the blank test with the perchloric acid,the digestion blank value was assayed. 方法:使用实验室现有不同产地的硝酸与高氯酸进行空白试验,测定消化空白值。结果:不同产地的硝酸参与消化,测定铁锌的空白值有差异;
- As a further precaution when gasketed seals are used instead of preferred sealants, a blank test run is suggested using glass or metal as a dummy specimen. 当使用密封圈来代替首选的密封剂,建议使用玻璃或是金属作为dummy试样进行空白试验。
- Through GC analysis and the comparison of the APHA color and pH values for stability tests and blank tests, it has been proved that a little of stabilizer can keep the 1,1,2,2-tetrabromoethane steady for two years at ordinary temperature. 通过稳定试验和空白试验的色度和pH值对比及色谱分析证明:微量稳定剂就能使四溴乙烷在常温下稳定两年。
- Misfortune tests the sincerity of friends. [谚]患难识知交。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- Analysis and Improvement in TN Blank Test of Water Quality 水质总氮空白实验的分析及改进措施
- Some of them shall have blank charters. 他们当中一些人将得到行动自由。
- Er, let me think. Sorry, my mind's gone blank. 让我想一想。抱歉,我大脑一片空白。
- Many blank spaces are still left in the suburbs. 郊区仍留有许多空地。
- The new grinding machine passed all tests. 这台新磨床通过了所有的试验。
- His memory was completely blank on the subject. 关于这个题目,他已完全丧失记忆。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- Many Elizabethan plays are written in blank verse. 伊丽莎白时代的许多戏剧以无韵诗形式写成。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- Medical tests showed that he was sterile. 医学检查表明他没有生育能力。
- A blank field descriptor is a descriptor to make blank on output. 一个空白字段描述符是在输出中形成空格的描述符。
- I tried looking him up in the directory but I draw a blank. 我在电话簿上找他的名字,但未找到。
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。