This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.

摘要提供了一环境友好的合成工艺制备香料邻苯甲酸甲酯。

The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.

以水华腥藻为材料研究了6甲酸酯类农药对藻类的效应。

The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.

结果发现,6甲酸酯类农药对水华腥藻都有不同程度的用。

The effects of polyisobutene, LaF3, MCA, dialkyldithioaminoformaite on properties of lithium-calcium base grease have been discussed in this paper.

考察了聚异丁烯、氟化镧、三聚氰胺氰尿酸复合物(MCA)、硫代甲酸盐对锂-钙脂能的影响。

The effects of electrical stimulation to the nucleus termination nervi trigemini(NTV) on the activities of genioglossus were studied in 35 rabbitS anesthetized withurethane.

本工在35只甲酸乙酯麻醉、自主呼吸的家兔上观察了刺激三叉神经终止核(NTV)对颏舌肌肌电活动的影响。

Three open crown ethers were synthesized for the first time by using parathesin as the terminal group.They were characterized by IR, 1HNMR ,MS and EA.

以对苯甲酸乙酯为端合成了3酰胺型开链冠醚,并通过IR、~1HNMR、MS和元素分析确证了它们的结构。

Both volumetric method and gravimetric method can be used for determination of Zn in thiofide ZDBC.The gravimetric method is easy to operate but it spents more analysis time.

容量法和重量法均可用于测定橡胶硫化促进剂二丁二硫代甲酸锌(ZDBC)中的锌含量。