常見例句A dihydric alcohol in which one hydroxyl has been replaced with an amino group. 脫氫酒精一種脫氫酒精,其中的一個羥基被一個氨基所代替。The Preparation method of cheap aluminium dihydric phosphate and its application in refractories have been intro-duced. 提供了廉價磷酸二氫鋁的制備方法,介紹了它在耐火材料中的應(yīng)用。The method and the condition of separation epoxy ethane from dihydric alcohol are discribed. 介紹了環(huán)氧乙烷與二元醇的分離方法和條件。As for wine of higher salt content,ammonium dihydric phosphate(NH4H2PO4) was used as background modifier to eliminate the interference of NaCl. 對含鹽量較高的酒,添加磷酸二氫銨作基體改進(jìn)劑,可消除鹽分的影響。The advancement of selective mono functional group protection of dihydric alcohol in recent years was reviewed with 21 references. 本文綜述了近年來有機合成中二元醇類化合物的選擇性單官能團保護的研究進(jìn)展。Any of numerous synthetic polymers produced chiefly by reaction of dibasic acids with dihydric alcohols and used primarily as light, strong, weather-resistant resins in boat hulls, swimming pools, textile fibers, adhesives, and molded parts. 聚脂一種人工合成的聚合物,主要通過二元酸與二羚基醇反應(yīng)產(chǎn)生,主要在船體、游戲池、織物纖維、黏合劑和鑄件上用作輕而強硬的、防風(fēng)雨的合成樹脂 返回 dihydric