配基

Under optimal conditions, oxidation of ethylbenzene into acetophenone under 1 atm O2 and 1 mol% NHPI reach to 64% yield.

在最佳的催化状态下，苯乙烷能在1 atm的氧气、1 mol% NHPI与轴向配位基为吡啶的紫质修饰二氧化钛共催化下，氧化成苯乙酮，并得到64%的产率。

A series of platinum terpyridyl acetylide complexes were designed and synthesized, which exhibit 〓MLCT emission with high quantum yield and long lifetime in the fluid solution at room temperature.

本论文设计、合成了一系列炔基为辅助配体的多吡啶Pt络合物，系统地研究了它们的光物理性质，探讨了其在超分子化学中的应用，取得了一系列有意义的研究结果：一。

In addition,the reaction of osmanaphthalene with different kinds of ligands gave new osmanaphthalenes.

最后研究了CO和不稳定的卡拜副产物的反应，得到CO配位的锇乙烯基化合物。

These ligands were found to be very effective in construction of quaternary carbon centers by using asymmetric allylic alkylation.

这类配体在前手性亲核试剂的不对称烯丙基化构筑手性季碳中心的反应中，显示了较好的反应活性及对映选择性。

The ligands were found to be effective in palladium-catalyzed asymmetric allylic alkylation to construct chiral quaternary carbon center.

这类配体在前手性亲核试剂的不对称烯丙基化构筑手性季碳中心的反应中，显示了较好的反应活性及对映选择性。

SAA ligand Lh could induce asymmetric addition of terminal alkyne to aldehydes without using air-sensitive Ti4and expensive Zn2.with good result of high yield (up to 99%) and good enantioselectivities (up to 84%ee).

将SAA配体Lh应用于在无Ti_4和Zn_2的条件下促进端基炔对醛的不对称加成反应中，反应的收率普遍较高，最高达99%，对映体选择性高达84%ee。

For example, at the same content of nano-SiO〓, the average particle size of nano-SiO〓 treated with the silane coupling agent in ball mill was 97 nm, while the average particle size of nano-SiO〓 treated via ultrasonic dispersion reached 90nm.

在相同纳米SiO〓含量下，干法处理时，填料在基体中的平均粒径为97nm，一般湿法处理时，填料的分散粒径为90nm，硅烷偶联剂/分散剂复配处理所得填料在基体中分散效果最佳。

Based on analysis of solution structures, growth units of CMTC crystal are determined to be formed by HgS〓 and CdN〓 tetrahedra structural units linked by -S=C=N- bond bridges and the growth units vary in dimensions with the supersaturation of growth solutions.

由溶液结构的测试结果推断出CMTC晶体的生长基元是以HgS〓和CdN〓配位四面体为基本单元，经-S＝C＝N-桥连接组成的网络结构，并且随溶液过饱和度的变化生长基元的维度也随之改变。

The preparation method determines the optimized process of the lactide reaction based on oil return-service, prepares the low/zero trans fatty acid base oil, so as to reduce the content of trans fatty acid in oil products, lay foundation for the development of the base oil of margarine and shortening to the nutrition and health direction, and help the development of the special oil industry of our country.

本发明在油脂复配基础上，确立交酯反应的优化工艺，制备低/零反式脂肪酸基料油，以降低油脂产品中的反式脂肪酸含量，为人造奶油、起酥油的基料油向营养健康方向发展奠定基础，有利于我国专用油脂产业的发展。

The 120m3 BF foundation temperature is reduced from 950℃ to below 700℃ and the furnace life campaign is prolonged for more than 2 years by taking furnace maintenance measures such as batching schreyerite in burdens to deposit Tion hearth bottom to form a steady protective layer and make molten iron liquidity slower to slowdown the erosion on bottom, drilling holes to lay water-cooling pipes in heat resistant foundation to heighten the 1150℃ isothermal line of molten iron to make frozen metal layer thicker.

对济钢120m3高炉炉底侵蚀状况，在生产中配加钒钛矿，使其还原成Ti的沉积，以对炉底形成稳定保护层，降低铁水流动性，减缓铁水对炉底冲刷；同时在耐热基墩打孔，穿埋水冷管，促使炉缸铁水1150℃等温线上移，凝固团增厚。实践表明，特护期间炉基温度由950℃下降至700℃以下，炉役寿命延长2年以上。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。