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- alloy chemical composition 合金的化学成分
- 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
- Wrought copper and copper alloys chemical composition limits and forms of wrought products 加工铜及铜合金化学成分和产品形状
- 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
- The chemical composition of a cast high property alloy, tewmet55, is designed, and the contains of Ni, Cr, Mo,Cu and Si in the alloy are detendned. 对铸造高性能合金Lewmet55进行了化学成分设计，确定了该合金中镍、铬、钼、铜和硅的含量。
- 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。
- The influences of rare earth alloy addition amount, temperature and chemical composition of molten steel on desulphurization effect were investigated. 对稀土合金加入量、钢液温度和化学成分对脱硫效果的影响进行了试验研究。
- 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 chemical composition,grain refinement methods,application situation and progress in wrought Al-Mn alloy were summarized. 综述了变形铝锰合金的化学成分、细化方法、应用现状及发展动态。
- The chemical composition and heat treatment process of alloy nodular cast iron bloom rollers were experimentally studied. 对合金球墨铸铁初轧辊的化学成分和热处理工艺进行了试验研究,提出了最佳热处理工艺。
- 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。
- 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。
- The macrostructure and microstructure of cracked cast copper alloy tap valve were obseverd by SEM and OM,and the chemical composition and hardness were analyzed. 通过扫描电镜和金相检验方法观察铸铜水龙头阀体裂纹宏观及微观形貌,检测其化学成分、硬度等,探讨水龙头阀体开裂原因。
- 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 purification technology of Mg-Mn alloy sacrificial anode was studied and electrochemical properties and chemical composition of samples were tested. 通过高电位镁阳极的熔铸及成型工艺中的净化技术研究,对试验样品进行了化学成分和电化学性能测试。
- Table3 Chemical composition of the Warring States glass samples( wt. 表3战国玻璃样品的化学成分分析结果（t.
