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Under ultrasonic radiation,four single substituted arylboronic acid were synthesized through the reaction of trisubstituted borate and halogenated hydrocarbon induced by iodine.

在超声条件下，以碘为催化剂，利用硼酸酯与卤代芳烃、金属镁粉合成了4种单取代芳基硼酸。

The most attractive phenomenon we put forward as our hypothesis, is that JPL utilize FO to realize Chinese feature besides VOT, that's to say, low FO corresponds to unaspirated consonants and high FO corresponds to aspirated consonants when Chinese unaspirated and aspirated opposition is substituted by Japanese voiced and voiceless opposition.

最重要是，通过感知和发音实验的结果，我们提出有关日本学习者习得汉语特征的假设，即，除了VOT，日本学习者还会调用F0信息来表征汉语特征——用母语的清浊对立替代汉语的送气对立，以较低的F0与不送气音相对应，以较高的F0与送气音相对应。

It points out that unilaterality of value view education in this period was that the aspect of people's politic and class negated and substituted people's other aspects, especially personal pursuit and individual soul.

青少年价值观的迷茫与失落和在迷茫与失落中的反思、批判、进步、发展及其对他们的引导是当前我国教育面临的一个重要问题。

The substitute should play at the same place in the order as the substituted player and only has to play that player's unplayed games.

新选手的次序也和之前选手一样，将剩余比赛比完。

The root of public policy issues of resource based city lies in that resources is unrenewable and the substituted industries develop slowly. Besides, the system, financing, technology, manpower and geography factors interacting to each other engender transmitting mechanism.

资源型城市公共政策问题的根源在于资源不可再生矛盾突出、接续替代产业发展缓慢，在此基础上体制、资金、技术、人才、区位等影响因素相互作用形成了传导机制。

This invention also relates in part to reaction mixtures containing one or more substituted or unsubstituted 1,6-hexanediols as principal product of reaction.

本发明也部分涉及包含作为主要反应产物的一种或多种取代或未取代1，6－己二醇的反应混合物。

The present invention relates to a water-soluble associative cellulose ether having a DP viscosity from 250 to 20,000 mPa's, measured at a concentration of 1 % by weight, and a molecular substitution, MS, from 0.0001 to 0.005 of a hydrophobic substituent containing an unsubstituted or substituted hydrocarbon group of 8-24 carbon atoms.

本发明涉及一种水溶性缔合纤维素醚，其在1重量％的浓度下测量的DP粘度为250-20，000mPa's，并且含有未取代或取代的C8-C24烃基的疏水取代基的分子取代度MS为

Four cephalosporin derivatives taking substituted or unsubstituted pyridiniomethyl group at 3-side were synthesized.

c、C-3位含氮甲基的头孢菌素衍生物：合成了4个含吡啶及取代吡啶头孢菌素衍生物。

Compared with the unsubstituted zinc phthalocyanine, these di-a-substituted analogues have a red-shifted Q band (at 689 vs. 670 nm) and exhibit a relatively weaker uorescence emission and a higher efciency at generating singlet oxygen.

与unsubstituted锌酞菁，这些娣给取代类似物有红移Q带（在689与670 nm ）和展览相对弱uorescence排放和更高efciency产生单线态氧。

The substituted and unsubstituted 1,6-hexanediols produced by the processes of this invention can undergo further reaction to afford desired derivatives thereof, e.g., epsilon caprolactone.

由本发明方法制备的取代或未取代1，6－己二醇可再进一步反应提供所需的其衍生物例如ε己内酯。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。