查询词典 simazine

Selected several kinds of classical humic and fulvic acids molecular model, interacted with metal iconand Simazine of organic pesticide molecule, drawed up its two-dimensional molecular structure modelusing Hyperchem software and converted the two-dimensional drawjings into three-dimensional chemicalmodels and performed a geometry optimization calculation.

选取几种经典的胡敏酸和富里酸模型，使其与金属离子和西玛嗪分子作用，将生成的结合物利用HyperChem软件绘制二维分子结构模型，然后将其进行三维转换和结构优化。

Efficient on-line clean-up and concentration atrazine and simazine was studied by the pre-column as the first column and an ODS column (250mm×4.6mm I.D) as the second column.

该系统能对具有一定疏水性的化合物进行在线富集，实现环境及生物复杂样品直接进样分离分析。

Four different SPE cartridges were tested for extracting six triazines, including atrazine, simazine, prometryn, desethylatrazine, 2-hydroxyatrazine and desisopropylatrazine, and finally ENVI-18 was selected as optimal. The method for solid phase extraction was further systematically studied for details.

考察了4种不同固相萃取柱对三嗪类化合物的吸附效果，最终选择ENVI-18固相萃取柱用于萃取地表水中的三嗪类化合物；系统研究了环境水样中三嗪类化合物的最佳固相萃取条件，选择洗脱溶剂为甲醇，洗脱溶剂用量5 mL，水样在萃取前不需要添加甲醇，不调节pH值。

The mixture of six pesticides(atrazine、simetryne、simazine、dipropetryne 、aldicarb、chlorotoluran) were also determined by using HPLC/APCI CID MS method with satisfactory results.

HPLC- MS将HPLC分离热不稳定、强极性和难挥发化合物的优点与 MS的高灵敏度、高选择性相结合，在农药鉴定分析中已发挥越来越重要的作用。

A method is described for simultaneous analysis of simazine, atrazine, acetochlor, alachlor, prometryne, pyridaben, quizalofop-ethyl residue in strawberry using gas chromatography-mass spectrometry.

建立了气相色谱-质谱法，选择离子技术对草莓中乙草胺、西玛津、哒螨酮、禾草克、阿特拉津、扑草净、甲草胺多残留进行同时检测的方法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。