Comparison of PCBs and PBDEs concentrations and compositions in the Guangzhou atmosphere in summer;
广州市夏季大气中多氯联苯和多溴联苯醚的含量及组成对比
Study on the extraction,separation and composition of peach gum polysaccharide;
桃胶多糖的提取分离及组成性质研究
Chemical composition-property relation of jet fuels;
喷气燃料的化学组成与理化性质的定量关系研究
Studies on the component and stability of green pigment of gingko leaves;
银杏叶中绿色素的组成及稳定性研究
Study on major components and liberation characteristics of discarded printed circuit board;
废旧电路板的组成与解离特性研究
The contents and components of polyamines in plant-source foods;
植物源食品多胺含量与组成
Because of complex components,the effects of C9 cuts to petroleum resin are unclear.
C9馏分由于成分组成相当复杂,其各成分对合成石油树脂影响的了解还十分有限。
These components have been characterized by spectroscopic methods (FT-IR), namely acid number, basic nitrogen number, ultimate analysis and molecular weight measurements using vapor pressure.
之后对这些组分进行了元素、酸碱值、相对分子质量及红外光谱等组成结构测定。
The experience of assembly(3 components)and shift of semi-mobile crushing plant in Qidashan Iron Ore Mine can be taken for reference in the case that new technology and new equipment of intermittent-continuous haulage system are adopted for achieving high economic profits.
齐大山铁矿矿石半移动破碎站的 3个组件组成和移设过程 ,为金属露天矿的间断 -连续运输工艺新技术的采用和新设备的利用提供了借鉴意见 ,以期获得最佳的经济效果。
The scale structure of coil rolled by CSP was investigated with SEM and XRD.
结果表明,轧后冷却过程对氧化皮的组成有显著影响,单张板的氧化皮组成为:Fe2O3∶Fe3O4∶FeO为6。
XRD?IR?DTA?TG and Spectrophotometric analysis were used to research the composition and structure of the products.
用X 衍射、红外光谱、差热、热重、分光光度等方法对其组成和结构进行了研究。
XRD, IR, DTA, TG and spectrophotometric analysis were used in the research of the composition and structure of the products.
用 X-衍射、红外光谱、差热、热重、分光光度等方法对其组成和结构进行了研究。
Investigation on Constitution and Structure of theColored Mo(W) S Sn Cluster Compound Filmon Tin Surface;
锡表面Mo(W)-S-Sn彩色簇合物膜的组成与结构研究
The structure and constitution of peritrophic membrane of Helicoverpa armigera:;
棉铃虫围食膜的结构和组成
The main constitution of the coating is silica sol sodium silicate ethyl-silicate silica sol,sodium silicate,ethyl-silicate.
涂料的粘结剂主要由硅酸乙酯、硅溶胶、水玻璃等组成。