论文:经理人员股票期权会计问题探讨-中大网校论文网 关键词】 丹参 土壤肥力 产量 优级品 [gap=1439]Key words:Salvia miltiorrhiza Bunge； Soil； Fertility； Estimate
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能的优先级、产品用例 UseCautomotive service engineers
在国内首次成功研究了单塔精馏生产优级品乙酸的生产工艺。
The process of producing high quality acetic acid by single tower rectification is studied successfully inland for the first time.
讨论了影响纤维成形的各项因素，通过优化成形条件熏降低产品废丝率，提高腈纶纤维优级品率。
All the factors that affect fiber formation are discussed. Optimizing formation conditions and reducing disqualification products lead to a high acrylic fiber quality.
并对产品进行表征，结果表明P型沸石产品性能较好，超过洗涤用4A沸石国家优级品标准，可替代三聚磷酸钠作为洗涤助剂。
The result of testing products P zeolite showed much better properties than first-rate 4A zeolite in national standard, and can be used as the substitute for STPP.
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