查询词典 anions

For the determination of polarizable anions, a pulsed amperometric detector has higher selectivity, precision and sensitivity.

在测定上述易极化阴离子时，脉冲安培检测器具有选择性强、精密度好和灵敏度高等优点。

It is proved that polyhedral structure of coordinative anions model is reasonable to explain the growth mechanism of crystal.

也从亚微观角度进一步验证了负离子配位多面体理论的合理性。

Combination of pyrrole binding site and amide NH generated a new kind anions binding site, pyrrolic amide.

在尘命体内，蛋白质对阴离子的识别主要是通过肽链中酰胺NH与阴离子间的氢键来实现的。

Contaminant cations such as calcium,magnesium,barium,strontium,and radium and anions such as fluoride ,nitrate,fulvates,humates,arsenate,selenate,chromate ,and anioic complexs of uranium can be removed from water by using ion exchange or adsoption onto activiated alumina.

具有污染能力的像Ca，Mg，Ba，Sr，Ra的阳离子，和像氟化物，硝化物，黄酸物，腐质酸物，砷酸盐，硒酸盐和铬酸盐的负离子以及像铀一样的负离子复合物可以通过离子交换和离子吸附从水中排除。

The analytical method has been applied to the determination of 9 anions in rainwater and slush samples with satisfactory results.

该方法用于雨水及雪水样品的分析，结果令人满意。

These compounds have particularly simple structures.1,3 The unit cell is primitive cubic, with metal ions at the cor- ners and the center, bridged by four cyanide anions to form an interpenetrating network of tetrahedrally connected tetra- hedra.

这些化合物有特别简单structures.1 3 晶胞是原始立方，与金属离子在心病净入学率和中心，桥由四氰化阴离子形成互穿网络连接四分四hedra 。

Furthermore, they are also excellent bifunctional receptors as thiourea moieties have better recognition ability to anions.

同时，由于硫脲基具有较好的阴离子识别能力，它们也是性能优良的双功能团受体。

It shows a thousandfold selectivity for fluoride over other common anions.

它对氟离子的选择性比其它普通阴离子高几千倍。

In the present study, the cell wall pectin content, CEC of root apices and Al-induced secretion of organic acid anions from roots of 10 triticale cultivars differing in Al resistance were examined.

本文在筛选不同小黑麦品种铝敏感性的基础上，研究了根尖细胞细胞壁中的果胶、阳离子交换量及铝诱导的有机酸分泌在抗铝性中的作用。

In addition, because these receptors have more binding points, they have better binding properties for anions than the molecular tweezer receptors based on thiourea we reported last time.

与以前我们报道的受体化合物相比，由于此类分子钳受体化合物具有更多的阴离子识别位点，因此具有更好地阴离子识别性能。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。