1) sediment
次成份
1.
The shape and species of the inorganic compound in sediment were analyzed by transmission electron microscopy,infra red spectrometry,x ray diffraction method and atomic absorption spectrometry.
采用透射电镜 ,红外光谱 ,X ray粉末衍射光谱 ,原子吸收光谱等现代技术对小清河底泥沉积物复杂化合物的形貌及其中无机化合物的物种进行了综合分析 ,结合相应样区的水质分析进一步确认了底泥沉积物中主、次成份的物种以及痕量重金属污染物的分子存在状态 。
2) main and impurity element
主次成份
3) secondary nucleation
二次成核
1.
The secondary nucleation of sodium aluminate solutions treated with ultrasound during the decomposition was studied by analysing mass of aluminum hydroxide nuclei, whose diameter is between 1 μm and 3 μm.
通过对铝酸钠溶液种分过程中氢氧化铝粒径为1～3μm的粒子质量信息进行分析,考察了超声波强化处理对铝酸钠溶液二次成核的影响。
2.
The influences of the crystallization additive on the secondary nucleation and agglomeration were studied in seed precipitation process of sodium aluminate solution.
研究了结晶添加剂对铝酸钠溶液加种分解过程中的二次成核、附聚的影响 ,并把添加剂应用于工业铝酸钠溶液种分实验过程中 ,探讨其对产品氢氧化铝粒度、产率的影响。
4) major and minor components
主次成分
1.
Determination of major and minor components in nickel laterite ores by X-ray fluorescence spectrometry;
X-射线荧光光谱法同时测定镍红土矿中主次成分
2.
Determination of major and minor components in silica by X-ray fluorescence spectrometry;
X-射线荧光光谱法测定硅石中主次成分
5) twice accomplished laneway
二次成巷
1.
Guide hole digging and twice accomplished laneway technology;
井巷导洞掘进二次成巷技术
6) well drilling once
一次成井
参考词条
补充资料：成份股指数
参考条目
- 上证指数
- 深证指数
说明：补充资料仅用于学习参考，请勿用于其它任何用途。