查询词典 basic anhydride

But you can only transfer from or to a small Chinese character set (basic punctuations, and about 3755 most basic Chinese characters - National Standard Level-1 basic Chinese characters).

但是，你只能从转让或一小中文字符集（基本标点，约3755最基本的汉字-国家标准第1级基本中文字符）。

Therefore, reviewing theory base on nationality ideas of Kodaly Zoltan, Karl orff and Emile Jaques-Dalcroze these three music education systems as a cut-in point, firstly use psychology, sociology and philosophy as basic theory to process macrocosmic comparative argumentation to three system music education ideas, then process microcosmic theoretic logic discursion to a few basic fields which influence sight singing and ear training course teaching aim, teaching content, teaching implementation and teaching valuation to confirm most correlative and effective information sources of teaching practice based on nation musicality of sight singing and ear training; once more describe actuality of teaching practice based on nation musicality of sight singing and ear training in our country and demonstrate these basic subjects (psychology, sociology and philosophy) with sight singing and ear training teaching relations and actual meanings of music teaching to further propose development direction and actual problems faced with teaching practice based on nation musicality of sight singing and era training in our country.

由于音乐学科教育学研究与哲学、美学、社会学、心理学、教育学、物理学、历史学、民族学等多种学科有着密切的联系和交叉，因此，从考察柯达伊、奥尔夫、达尔克罗兹(Emile Jaques-Dalcroze)三个音乐教育体系民族性理念的理论基础作为切入点，首先从宏观上对三个体系的音乐教育理念进行以心理学、社会学和哲学为基础理论的比较论证；继而从微观上对影响以视唱练耳课民族性教学的目标、教学内容、教学实施、教学评价的一些基本领域进行理论上的逻辑推理，确定与视唱练耳民族音感教学实践最相关的和最有效的信息来源；再对我国视唱练耳民族音感教学实践现状进行描述，论证这些基础学科与视唱练耳教学的种种关系及对音乐教学的实际含义，进一步提出我国视唱练耳民族音感教学实践所面临的具体问题和发展方向。

In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone .

在醋酸、聚乙二醇存在下，铬酸酐和苊在温和的条件下反应，苊可以完全转化为苊酮。

Acenaphthenone was prepared by the oxidation of acenaphthene in the presence of chromic anhydride , acetic acid and polyethylene glycol as a phase transfer catalyst under mild reaction conditions with high yields.

研究了在铬酸酐、冰醋酸和相转移催化剂聚乙二醇存在下苊的氧化反应，较温和的条件可高产率地得到苊酮。

However,one of the key chemicals in the method is acetic anhydride,which is in the list...

该方法具有准确度高、重现性好、易于操作的特点，相对误差在3%以内，可以满足生产控制质量的要求。

The time for the reaction to go to completion depends on both the amount of catalyst and acetic anhydride used.

该酰化反应进行到完全所需的时间取决于催化剂用量和乙酐用量。

CHEMICAL ANALYSIS OF ACETIC ACID AND ACETIC ANHYDRIDE.

NF T20-625-1965 醋酸和醋酸酐的化学分析。

The acylation of 2,3-dimethyl-2-butene by acetic anhydride in the presence of H3PO4 was investigated.

在H3PO4存在下进行了2，3-二甲基-2-丁烯与乙酐的酰化反应。

Methods Salicylic acid and acetic anhydride were used as the raw materials, with concentrated sulfuric acid as the catalyst.

目的 建立乙酰水杨酸的快速合成方法。

Moreover, the effects of moisture, solvent blank, added amount of acetic anhydride and temperature on determination were investigated.

同时，考察了水分含量、溶剂空白、乙酸酐加入量、温度对测定结果的影响。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。