主元分析(PCA)作为数据驱动的一种统计建模方法，在化工产品质量控制与故障诊断方面得到广泛研究和应用。
Principal component analysis (PCA) has found wide application in chemical process monitoring and product quality control as a data-driven modeling method.
然后再由铋精矿制取铋的化工产品，这些铋品中的金属杂质元素含量都达到分析纯要求，有少量产品阴离子纯度有待提高。
Thecontents of metal impurities in the bismuth products obtain the standards of the analysis reagent and the contents of anions obtain the standard of the grade of chemical purity.
它们作为标准物质主要应用于化工产品成分分析和环境化学分析中的仪器校准、方法评价或仲裁分析的工作标准。
Being Reference Materials, they are chiefly applied of work standards in instrument calibration, method opinion or arbitration of chemical and environmental analysis.
XRF应用广泛，可用于岩石、矿物、土壤、植物、沉积物、冶金、矿业、钢铁、化工产品等样品中常量和痕量的定量分析。
XRF is widely used to analy major elements and trace elements in geological rocks, minerals, soils, plants, sediments, metallurgy, mining industry, steel, chemical products, etc.
在事后的经济活动分析中，决策被证明是切实有效的。（3）设计和实现化工产品量价决策支持系统。
While analysising economy activity afterwards, the decision is proved effectively. (3) Volume-price decision support system for chemical product is designed and implemented.
本文介绍了高效驱避剂DETA的生产工艺和在日用化工产品中的应用及生产现状，并对该项目的社会和经济效益及发展前景进行了简单分析。
The manufacturing process and application of highly efficient anthelmintic DETA are introduced in this paper. Its social and economical effect and development prospect are also pointed out.
公司经营商品大类有化学试剂、玻璃仪器、分析仪器、实验室设备以及实验室安全产品、精细化工产品等。
The business scope includes Chemical Reagents, Glassware, Analytical Instrument, Laboratory Equipment and Safety Products, Fine Chemicals and so on.
他还利用新的分析工具发现了最具盈利能力的细分市场，提高了CSX在高利润煤炭和化工产品运输领域的市场份额。
He also developed new analytics that identified the most profitable product segments, steering CSX to increase its shares in high-margin coal and chemicals.
他还利用新的分析工具发现了最具盈利能力的细分市场，提高了CSX在高利润煤炭和化工产品运输领域的市场份额。
He also developed new analytics that identified the most profitable product segments, steering CSX to increase its shares in high-margin coal and chemicals.
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