您要查找的是不是:
- Their ring opening reactions can be used for preparing polyfunctional or other cyclic compounds. 另外,利用该反应还可以提供保护基以及立体、区域选择性地合成各种有机化合物。
- The methods about identifing aromaticity of some kinds of cyclic compounds was explorated,and have found out the way of resolving this problem. 探讨了几类环状化合物“芳香性”的判断方法;阐述了解决这类问题的基本思路.
- Path B:Androst 4 ene 3,17 dione was converted into cyclic compound,then elaborated into Formestane. 不经纯化,直接在碱性介质中脱水合成了福美司坦(1)。
- Studies on the Synthesis of Chiral Fused Cyclic Compounds Using L-Ascorbic Acid as a Chiron L-抗坏血酸作为手性元用于手性稠环类化合物合成的研究
- The People's Bank compounds interest yearly. 人民银行以年为单位计算复利。
- Medicines are usually compounds. 药品通常是复合物。
- A fertilizer containing phosphorus compounds. 磷肥含有磷化合物的一种化肥
- Some chemical compounds can be resolved by heat. 一些化学化合物可以通过加热分解。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Synthesis and its Selenation Reaction of a New Phosphorus-selenium Containing Cyclic Compound 新的磷-硒环状化合物的合成及其硒化反应
- Protein compounds; protein diets. 蛋白质化合物; 蛋白质丰富的膳食
- A cyclic code with minimum redundancy used to check errors in a set of characters. 一种用于检查一组字符的错误、并且具有最小冗余度的循环码。
- Air is a mixture, not a compound of gases. 空气是气体的混合物,不是化合物。
- Rose is a plant with compound leaves. 玫瑰是复叶植物。
- The unsaturated link occurs in a cyclic system. 在环体系中存在不饱和键。
- "Broad-shouldered" is a compound word. "Broad-shouldered"是个复合字。
- The steam-engine piston makes a cyclic motion. 蒸汽机活塞做往复运动。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- My friend's family lives in the compound. 我朋友的家住在那个大院里。
- Shows how easy the cyclic graph is represented. 显示了循环图是多么容易表示。