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- A phenolic resin was synthesized from bisphenol A and aqueous formaldehyde in the presence of basic catalyst. 以双酚A,甲醛水溶液为原料,在碱性催化剂的作用下,合成双酚A型甲阶酚醛树脂。
- A new bimetallic basicity catalyst used for synthesis of methyl isobutyl ketone from acetone and hydrogen. 制备了常压下丙酮与氢气合成甲基异丁基酮的双金属碱性催化剂，并测定了其反应活性。
- It's almost impossible to agree on a unified basic price. 几乎不可能商定一个划一的基本价格。
- Let me enlarge on this basic theme. 让我进一步阐述一下这个基本主题。
- Let's examine into the basic mechanism involved. 让我们把有关的基本结构搞搞清楚。
- Preparation and stability of a solid basic catalyst alum in up hos phate oxynitride 固体碱催化剂氮化磷酸铝的制备及稳定性
- The family is the basic unit of society. 家庭是社会的基本单位。
- Keywords solid basic catalyst;valeraldehyde;aldol condensation;isodecenoic aldehyde; 固体碱催化剂;戊醛;缩合;癸烯醛;
- Keywords solid basic catalyst;aluminophosphate oxynitride;preparation;stability; 固体碱催化剂;氮化磷酸铝;制备;稳定性;
- Children begin to learn basic morals in the kindergarten. 孩子们从幼儿园开始学习基本的道德规范。
- Traders sold basic commodities to the tribesmen. 商人向部落里的人出售生活必需的商品。
- The basic theme of these stories never varies. 这些故事的基本主题永远不变。
- BASIC is the language most programmers learn first. BASIC是大多数程序编制者首先学习的语言。
- Keywords solid basic catalyst;aluminophosphate oxynitride;preparation;structure characters; 固体碱催化剂;氮化磷酸铝;制备;结构特征;
- It was Hart who created the basic formula of the western film. 正是这个哈特创造了西部电影的基本格局。
- The basic assumptions or principles of a subject. 基本原则，基本假设某一学科的基本假设或基本原理
- Dividing into elemental parts or basic principles. 分解的分成基本部分或基本要素的
- These requirements are absolutely basic to a good relationship. 这些条件是良好的关系必不可少的。
- Not derived from something else; primary or basic. 基本的不是从它物派生的; 原本的或基本的
- The Church should give more of a lead on basic moral issues. 教会应当就基本道德问题多做出些榜样。
