化合物

The compound 103-1 is investigated in synthesis method, structure analysis, herbicidal activity, crop safety and toxicological test.

第五章是对优选化合物进行系统研究，以明确优选化合物的实际应用前景。

According to the national screening procedure, the twenty-six new compounds were performed for general bioactivity screening to insecticidal, fungicidal and herbicidal activity.

按照国家制定的新化合物生物活性筛选程序，对26个目标化合物进行了室内生物活性试验。

The structures of the target compounds were confirmed by MS, IR, 1H NMR spectra, and elemental analysis. The preliminary biological tests show that some of the target compounds have certain herbicidal activities.

通过元素分析， 1H NMR， IR 和MS确定化合物的结构，初步生物活性测试表明标题化合物具有一定的除草活性。

Among 17 compounds, some showed favourable herbicidal activities on rape (inhibition rate 70.8%) and barnygrass (inhibition rate 48.8%) in greenhouse tests.

在合成的17个化合物中，发现个别化合物对油菜（抑制率70.8%）和稗草（抑制率48.8%）具有较好的生长抑制活性。

The structural analysis of precipitation has indicated that heteropoly anions in this compound still remained Keggin structure.

对该化合物的结构分析表明这些化合物中的多阴离子仍保留着其Keggin结构，但其特征振动谱带有一定的红移或蓝移。

Results Five hexacyclic camptothecins (6a, 6b, 6c, 7a and 7b) are target compounds, and ten camptothecin derivatives are new compounds.

结果 5个六环喜树碱衍生物为目标化合物，10个衍生物为新化合物。

Results Five hexacyclic camptothecins (6a, 6b, 6c, 7a and 7b) a re target compounds, and ten camptothecin derivatives are new compounds.

结果 5 个六环喜树碱衍生物为目标化合物，10个衍生物为新化合物。

The extracted components were qualitatively and quantitatively analyzed by gas chromatography mass spectrometry.The results showed that 30,26 compounds were identified from the volatile components extracted by DSE,SDE methods resp.36 kinds of components were extracted by 2 methods in total,among them the content of hexadecanoic aci...

结果表明，从DSE、SDE法提取的挥发性成分中分别鉴定出30(总含量58.24μg/g)、26种化合物总含量(86.66μg/g，2种方法共提取出36种化合物，其中十六酸含量最高，其次为亚油酸、油酸、邻苯二甲酸二异丁酯、间甲苯甲醛、龙脑。

Reaction of the ligand with CdI2 or Cu(NO3)2 afforded dinuclear monohelical complexes 1 and 2 equipped with the aromatic rings, and the complex interacted each other through cooperative C-H...π and π...π interactions to form homochiral 2D layer along ab plane.

配体与CdI2和Cu(NO3)2反应得到双核单螺旋化合物1和2，在化合物2中，由于C-H…π和π…π的协同相互作用沿ab面形成单一手性的二维平面。

In the preparation method, the raw materials of houghite compound, the alumina, the silica and the molecular sieve are mixed uniformly; then an obtained mixture is molded; the compound is dried and calcined.

其制备方法为：将原料水滑石类化合物、氧化铝、氧化硅、分子筛混合均匀；然后将所得混合物进行成型；将上述化合物进行干燥焙烧。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。