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- Chemical composition content 化学成分含量
- The science of the chemical composition of the universe. 宇宙化学研究宇宙的化学组成的科学
- Chemical Composition in the Fruit of Glossy Privet. 女贞子化学成分的初步研究
- Object :To determinate the content of the chemical composition in the product of royal jelly and farina. 目的:测定王浆花粉产品中化学成分的含量;
- The branch of biochemistry that deals with the study of the chemical composition and activity of cells. 细胞化学生物化学的一个分支,它从事研究这种化学构成成分和细胞活动
- Results: The content of chemical composition of Flos Lonicerae Japonicae were vaiance on collecting time.The best harvesting time was the erbai period. 结果:金银花成分随采收期不同而各异,采收的最佳时期为每茬花的二白期。
- Chemical composition and processing of Olea europaea L. 油橄榄的化学组成和加工利用。
- THE PROGRESS OF CHEMICAL COMPOSITION AND BIOACTIVITY OF RUBUS L. 悬钩子属植物化学成分及生物活性研究新进展。
- Finally, a mineral must have definite chemical composition. 再一点是一种矿物必须具有一定的化学成分。
- Chemical composition of spores doesn't match suspect flask. 摘要:致病炭疽孢子的化学构成和疑似菌株不匹配。
- Objective: to study chemical composition of tadpole. 目的:对蝌蚪进行化学成分的研究。
- The effect of nitrogen on fat accumulation in different organs and fatty composition content in grain in two types of maize were studied. 摘要选取两种玉米研究了施氮对玉米不同器官脂肪积累及子粒脂肪组分含量变化的影响。
- Heat reacts on certain substances to change their chemical composition . 热能作用于某些物质,使其改变化学成分。
- Effects of different picking methods on chemical composition and content of volatile aromatic matter of upper leaves in flue-cured tobacco were studied. 摘要研究了不同采收方式对烤烟上部烟叶化学成分和主要挥发性香气物质含量的影响。
- The effective composition content of poly-alcohol was measured by back titration using NaPTB complex-salt which originated from analysis method of nonionic surfactant. 本文引用非离子表面活性剂分析方法中的四苯硼钠络盐返滴定法测定了聚合醇有效成分的含量。
- Heat reacts upon certain substance to change their chemical composition. 热对某些物质产生作用,使其改变化学成分。
- Methods Compared the total extract weight and the effective composition content in the barks and leaves of Eucommia ulmoids which were collected in different seasons. 方法通过对杜仲皮和叶在不同季节总浸出物含量及有效成分的测定,比较在不同季节的差异。
- Heat reacts on certain substances to change their chemical composition. 热能作用于某些物质,使其改变化学成分。
- The analysises of chemical composition are mainly used to study the concent of various oxide compounds, especially study the iron content and the carburization quantity. 化学组成主要研究各氧化物的含量,尤其研究含铁量和渗碳量。
- The results show the main reason of crazing on forging surface are that copper content is over the standard and chemical composition's match is not rational. 结果表明钢中铜含量超标、化学成分匹配不合理导致的“铜脆”是锻件产生龟裂的根本原因。