合成物

The results show that macrocylic complexes have been obtained.

结果表明，已合成得到了所需的大环配合物。

Therefore, the synthesis and structure characterization about these complexes have attracted much attention in science field.

因此，多核配合物的合成和结构表征引起了人们的广泛关注。

There are the non-saturated and carbon -carbon double keys and carboxyl group and special functional group derived from carboxyl group, so it is used in the polymerization and co-polymerization widely, can react with many kinds of the compounds, and produce a series of acrylic acid co-polymerization compound .

丙烯酸及其酯的化学结构中均有不饱和碳碳双键和羧基或羧基衍生的特性功能团，因此可广泛用于均聚反应和共聚反应，能与多种化合物反应，合成一系列丙烯酸共聚物。

Chiral SalanCrX complexesa saturated version of SalenCr(ⅢX are designed,and in conjunction with an ionic quaternary ammonium salt or organic strong base can efficiently catalyze the asymmetric,regio-and stereoselective alternating copolymerization of CO_2 with rac-PO at mild conditions to afford isotactic-enriched polycarbonates with～95%head-to-tail linkages and moderate enantioselectivity.

本论文在Salen构型配体的基础上，设计合成了一系列手性Salan型铬配合物，并将其与季铵盐/有机强碱组成亲电-亲核双组分催化体系，在室温下可以有效的催化CO_2和环氧丙烷的不对称交替共聚反应，实现了CO_2和环氧丙烷的不对称交替共聚反应的区域和立体化学控制，得到95%的头尾连接单元和中等光学纯度(对映体过量值ee%≈70%)的全同结构的聚碳酸酯。

Ba0.7Sr0.3TiO3 powders are successfully prepared by the hydrothermal process where barium chloride, strontium chloride and titanium chloride are used as raw materials at 240℃ for 10 hours.

利用水热法研究了BST前驱物的初始配比、矿化剂NaOH过量浓度、水热时间和温度等条件对合成Ba0.7Sr0.3TiO3粉体的影响。

A novel chiral block copolymer PCys-b-PPO-b-PCys bearing Leucine in the side chain was synthesized for the first time.

首次合成了侧链带有手性基团的聚半胱氨酸－b-聚环氧丙烷－b-聚半胱氨酸嵌段共聚物。

Novel chiral block copolymer PCys-b-PPO-b-PCys bearing Leucine in the side chain was synthesized for the first time.

bstract 首次合成了侧链带有手性基团的聚半胱氨酸－b-聚环氧丙烷－b-聚半胱氨酸嵌段共聚物。

COMPOSITION: Bovine Meat and Bone Meal – Produced from the solid material left over after the dehydration of the offal and removal of the fat.

合成过程：牛肉及牛骨粉–由脱水去脂后的动物的固体残余物制成。

These SalenAlQ complexes were employed in the cycloaddition of propylene oxide with carbon dioxide to catalyze the reaction.

将合成的SalenAlQ配合物用于催化活化CO_2与环氧丙烷进行环加成反应。

Their study used doses of kiwi fruit, apple, cherry and banana extracts and exposed them to synthetic stomach conditions (lots of acid, together with pepsin, an enzyme that speeds up digestion).

他们用猕猴桃，苹果，樱桃还有香蕉的提取物放入人工合成的胃内容物之中（包括酸和胃蛋白酶，一种加速消化的酶）。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失