The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以水华鱼腥藻为材料研究了6种
酸酯类农药对藻类的毒性效应。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以水华鱼腥藻为材料研究了6种酸酯类农药对藻类的毒性效应。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6种酸酯类农药对水华鱼腥藻都有不同程度的毒性作用。
The effects of polyisobutene, LaF3, MCA, dialkyldithioaminoformaite on properties of lithium-calcium base grease have been discussed in this paper.
考
了聚异丁烯、氟化镧、三聚氰胺氰尿酸
合物(MCA)、硫代酸盐对锂-钙脂性能的影响。
The effects of electrical stimulation to the nucleus termination nervi trigemini(NTV) on the activities of genioglossus were studied in 35 rabbitS anesthetized withurethane.
本工作在35只酸乙酯麻醉、自主呼吸的家兔
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.
以对苯酸乙酯为端合成了3种酰胺型开链冠醚,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酸锌(ZDBC)中的锌含量。
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