Lignin of rice husk high boiling point solvent ( HBS ) digesting process with aqueous solvent of ethanediol.以乙二醇水溶液为溶剂,稻壳为原料制备木质素.Optimization of production can be realized by using the improved ethanediol solvent extrac...
They believe that the humic materials are leached from decaying plant materials.他们认为腐植物料是从腐烂的植物体浸沥而来.Humic acids are usually regarded as polymers of aromatic compounds.腐殖酸通常被看作是芳烃化合物的聚合物.Humic substances are known to coa...
The most frequent reaction causing the self - sealing of rocks with high secondary permeability is argillization.这种发生频率很高的、使次生渗透性能良好的岩体产生自封闭现象的反应就是泥岩化.Besides the mentioned above, the mechanism of swelling rock argilliza...
His message was aimed at the undecided middle ground of Israeli politics.他所传达的信息针对的是以色列政局中尚未表态的中间派。The new measures are aimed at tightening existing sanctions.新措施旨在加强现行的制裁。Their range of leisurewear is aimed at fashion-c...
There was a pile of mail, memos and telephone messages on his desk.他的办公桌上堆满着信件 、 备忘录和电话通知.Big shots get their dander up and memos start flying.大人物们怒火中烧,备忘录四下乱飞.Here we are, Sheila? Mr. Blake has signed all the letters an...