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- The physico chemical properties and rheology of gum black wattle was studied. 研究了黑荆胶的物理、化学性质及流变性质。
- Its physico chemical properties and spectrometry proved the compound was psoralidin. 理化性质和波谱分析证明该化合物为补骨脂里定。
- Physico chemical properties and fatty acid composition of Elsholtzia Ciliata (Thunb.) Hyland seed oil were analyzed by GC. 为开发利用香薷籽资源,对香薷籽油物理化学性质和脂肪酸组成进行了分析测定。
- The physico chemical property of MLC 500 catalyst can also be adjustable for different feedstocks to achieve ideal product slates. 因此，对不同性质的原料油，可有效地调整MLC-500的物理化学性质，获得理想的产品分布。
- Both the PFU method and physico chemical analysis indicated that mine wastewater could be effectively purified b y the constructed wetland. 其中生物多样性指数更能有效地评价水体质量。
- Compared with general UPE, the physico chemical performance of the product was good at resistance to acid alkali , heat resistant , mechanical properties, etc. 结果表明，用环氧环己烷合成的树脂具有良好的耐酸、耐碱、耐热性能和较好的机械性能。
- The weathering of soft rock was systimatically analyzed through measuring its microsturcture, microporosity, macrofissure, and the physico chemical properties. 通过对软岩风化前后微结构、微孔隙及宏观裂隙和宏观物理力学参数的测试对比，系统地研究了软岩风化的微观和宏观效应。
- Ther are small heat stable peptides, large heat labile proteins, and lantibiotics.Their physico chemical nature, genetic behavior and application are reviewed. 细菌素可分为热稳定的小分子肽、热敏感的大分子蛋白和羊毛硫抗生素三类。
- The research progress of tribochemistry in the aspects of chemical effects of rubbing surfaces, physico chemical changes under dry and lubricated friction conditions were reviewed. 介绍了摩擦化学在材料制备中的应用及摩擦化学的研究方法；
- physico chemical absorbing ability 物理化学吸收能力
- The structure, physical and chemical properities of microcystin (MC) and the toxic effect of MC on kidney were sum up. And some research conceptions in future were put forward. 摘要综述了微囊藻毒素(MC)的结构、理化性质以及MC对肾脏的毒性作用，提出了今后的研究设想。
- The main characteristics of glyphosate such as physical and chemical properities and biological activity and the development of its synthesis, productivity and applications in the world are reviewed. 主要介绍了草甘膦物理、化学性质、生物活性以及近年来世界上草甘膦在合成、应用、生产规模等方面的进展.
- Keywords Bombax malabaricum;pigment;extraction;physico chemical property; 木棉花;色素;提取;理化性质;
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
- Keywords molecular inductive effect index;paraffinic hydrocarbons;physical chemical proper ties;effective length of carbon chain; 分子诱导效应指数;烷烃;有效碳链长度;物理化学性质;
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
