片语

chemical composition[化学] 化学成分；[化学] 化学组成

chemical structure[物化] 化学结构

英汉例句

• the chemical constitution and mineral composition were analysed with a hard kaolin(kaolinite) of the carboniferous-permian coal measures strata, in baishan region of jilin province as the sample.

  以吉林白山地区石炭、二叠煤系高岭土（或高岭石）为试样，进行了矿物成分、含量分析和研磨、 煅烧、添加不同漂白剂加工工艺实验。

• high yield strength if steel with nb and ti microalloying is developed through chemical constitution design, refining, hot and cold rolling technological operation.

  通过化学成分设计和冶炼、热轧及冷轧工艺的控制，研制出铌钛微合金化高屈服强度if钢。

• through integrated study of crystallinity of authigenic illite and chemical constitution of authigenic chlorite, it is concluded that the cenozoic paleogeothermal gradient is from 37.

  综合应用自生伊利石结晶度和自生绿泥石化学成分，得出济阳坳陷新生代古地温梯度为37。

• the practice proves that chemical constitution of molten steel has stabilization and the deviation is very small.

  实践证明：采用此方法配料与调整，钢液成分稳定，偏差小。

• the effect of the chemical constitution and the parameter of the control rolling and cooling technique to the mechanical property is analyzed after which the idea is determined.

  在确定了工艺思想后，分析化学成分、控制轧制和控制冷却工艺参数对钢筋性能的影响。

• chemical constitution of pinus kesiya oleoresin from burma was analyzed by gc-ms.

  采用gc-ms联用技术对产自缅甸的卡西亚松松脂化学成分进行了分析和鑒定。

• study has been carried out on the chemical constitution and physical properties of the building sand made from the heavy slag from the blast furnace and its application to concrete.

  研究了用冶炼高炉重矿渣制造的建筑用砂的化学成分、物理性能以及在混凝土中的应用情况。

• objective: to review the research advances in the chemical constitution and pharmacological activities of the gelsemium elegans.

  目的：综述马钱科胡蔓藤属钩吻植物化学成分及药理作用的研究进展。

• squeeze casting can not only improve the gravity segregation and distribution of the chemical constitution of the cast but also the microsegregation of bar-shaped za27 alloy.

  挤压铸造使棒状za27合金铸件的比重偏析有所改善，铸件成分分布更加均匀。 挤压铸造可以明显改善棒状za27合金铸件的显微偏析。