苦参碱水剂、阿维菌素乳油采用1000倍,10%烯啶虫1000倍液、25%噻嗪酮1000倍液较好,持效期长。
Abamectin ec, matrine aqueous solution using 1000-fold, 10% en 1000 times piperidine insects, 25% buprofezin 1000 times better, Chi Xiaoqi long.
用碱水或者醋清洁你的家,而不要用塑料瓶装的清洁剂。
Clean your home with baking soda and vinegar instead of using cleanering products packaged in plastic.
将聚丙烯腈粉末用碱水解,所得到的产物分别用外加交联剂法和热交联法交联,制备高吸水性树脂。
The polyacrylonitrile powder was hydrolyzed in a caustic solution. The obtained product was treated by either crosslinking or adding an external crosslinking agent to produce the absorbent resin.
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