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- precision chemical analysis 精密化学分析
- Chemical analysis using electrolytic techniques. 电解分析以电解法进行的化学分析
- Detectable only by microscopic examination or chemical analysis, as a minute blood sample. 通过显微镜观察测知的只能通过显微镜观察或化学分析才能发现的,如微量的血样
- They made spectroscopy a primary tool of chemical analysis. 他们使光谱学成为化学分析的主要工具。
- You can ask for a chemical analysis of your tap water. 你可以要求给你的自来水做化学分析。
- Chemical analysis of manganese ores. Determination of lime. 锰矿石的化学分析。氧化钙的测定。
- Familiar with various plating processes and chemical analysis. 熟悉各种电镀工艺和化学分析。
- Soil Chemical Analysis on the Process of Soil Acidification. 土壤酸化过程的土壤化学分析
- Method: to adopt the HPLC and chemical analysis method. 方法:高效液相色谱法和化学分析法。
- After chemical analysis,we know the constituents of ore. 经过化学分析,我们知道了矿石的构成。
- By the method of chemical analysis and the experienced method , the commissioning with load was speeded up and the thickness precision of the strip and the rolling stability was improved. 通过采用化学分析法和经验法加快了调试进度,提高了轧制稳定性和板带厚度精度。
- Neutron activation or chemical analysis for uranium are used as a follow-up. 中子活化分析和化学分析铀可作为进一步追索的方法。
- SACHEM is a global chemical company with over 50 years of experience in the supply of high-purity and precision chemical products and services to the electronics, catalyst, polymer, biotechnology, pharmaceuticals, paper and energy markets. 主要经营范围:电子产品,催化剂,聚合物,药品生物技术和能源装置市场提供高纯度和精密化工产品及服务。
- Zinc ingots. Selection and preparation of samples for chemical analysis. 锌锭。化学分析用样品的制备和抽样。
- CHEMICAL ANALYSIS OF MANGANESE ORES. GRAVIMETRIC DETERMINATION OF BARIUM OXIDE. 锰矿的化学分析。氧化钡的重量法测定。
- Chemical analysis of manganese ores. Gravimetric determination of manganese. 锰矿石的化学分析。
- CHEMICAL ANALYSIS OF NITRIC ACID. TURBIDIMETRIC DETERMINATION OF CHLORIDES. 硝酸的化学分析。氯的浊度计测定。
- CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF ASH. 硫酸和发烟硫酸的化学分析。熔烧残留物的测定。
- Neutron activation or chemical analysis for uranium are used as a follow-up . 中子活化分析和化学分析铀可作为进一步追索的方法。
- Fume hood should be provided in each regular chemical analysis laboratory. 每个常规化学分析室都要有通风橱。