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- Abstract: In the conventional analysis of pyrethrin residues,the extractions are treated for purification by method of abstraction for many times. 中文摘要: 报道了一种蔬菜拟除虫菊酯类农药残留量的简便分析法。
- Pyrethrin residues 拟除虫菊酯残留
- Crop residues are left on the surface. 作物的残根留在地面。
- It is required to remove the residues of OA fluxes. 清除有机酸助焊剂的残留物是必须进行的。
- Both the R groups are alkoxy residues. 两个r基团都是烷氧基。
- If you are an angel wing that residues. 如果你是那个残翼的天使.
- Residues of pesticides can build up in the soil. 残余的杀虫剂会在土壤中积淀起来。
- ALLERGY WARNING: May contain sulfite residues. 可能含有亚硫酸盐残留。
- It is mainly pyrethrin (pyrethroid) with 50 percent in the insecticides. 它们多属拟除虫菊酯类农药,占总数的50%25;
- Human pancreatic ribonuclease has 128 amino acid residues. 人的胰腺核糖核酸酶有128个氨基酸残基。
- All organic and metallic residues on the wafers must be removed. 片子上所有的有机和金属残留物均必须清除。
- The residues may be correlated with the radiational input. 余差可以与辐射输入数相关。
- The range of peptide size is smaller than20 residues. 初步之分析结果显示脯胺酸、胺酸以及天门科醯胺出现之频率最高。
- Analysis of several pesticide residues in B. Chinensis L. 青菜中多种农药残留量的分析方法。
- The helix makes a complete turn every 3. 6 residues. 每个3.;6个残基;螺旋正好转一圈。
- The results showed 36 Trp residues and 12 of them were modified. 在含脲的体系中可修饰36个色氨酸残基； 在不含脲的缓冲体系中可修饰12个色氨酸残基。
- TR: tapetal residues;E: exospore;P: perispore;G: globule. 成熟孢子壁近极面的横切,其附近可见小球;
- A synthetic clear or amber - colored viscous insecticide, C19H26O3, similar to pyrethrin. 丙烯除虫菊酯一种合成的透明或琥珀色粘性杀虫剂，C19H26O3，与除虫菊酯相似
- Incorporation of crop residues; conventional tillage. 把作物残体混入土壤的传统耕作制。
- To detect the pesticide residues become the most urgent affair. 因此对无公害蔬菜的农药检测成为当务之急。
