查询词典 triple bond

The positive peptide cleavage promoted by complex, CuⅡL and the negative response of CuⅡ/dien complex suggest the merely hydroxy pendant in complex have no ability to attack the peptide bond. The synergic carbonyl activation by metal coordination is essential for the cleavage of peptide bond promoted by CuⅡL.

比较相应铜配合物及二乙烯三胺铜配合物的切割性能，提示羟乙基侧臂单独难以实现相邻肽键的切割，高配位数金属中心对肽键羰基的活化与羟基的协同进攻是该类配合物切割多肽的可能机制。

By elemental anal., molar conductivity, TGA, DSC, and reflectance spectroscopy, all bridged heteronuclear complexes were characterized. Imidazolate bridges exist in the heteronuclear complexes. From the ESR spectra of the bridged heteronuclear complexes in solution, the bond parameters of Cu2+ were calculated and nature of the bond discussed.

对它们进行了元素分析、差热失重分析、摩尔电导测定及反射光谱研究，确证了配合物的组成及分子中咪唑桥的存在，通过对各配合物的ESR谱测定，得到了它们的自旋Hamilton参数和键参数，讨论了配合物的成键性质。

In order to find screening rules suitable for lead compounds of pesticide,five descriptors:logarithm of partition coefficient of octanol/water,relative molar weight,number of hydrogen-bond donors,number of hydrogen-bond acceptors,polar surface areaand carcinogenic and mutagenic toxicities of 242 fungicides,512 herbicides and 399 insecticides were calculated and analyzed.

为了寻找适合于农药的先导筛选规则，对242个杀菌剂、512个除草剂和399个杀虫剂的5个描述符：疏水常数、相对分子质量、氢键给体数、氢键受体数、分子极性表面积和毒性进行了计算和分析，提出了杀菌剂、除草剂和杀虫剂先导化合物的筛选规则。

In order to find screening rules suitable for lead compounds of pesticide,five descriptors:logarithm of partition coefficient of octanol/water,relative molar weight,number of hydrogen-bond donors,number of hydrogen-bond acceptors,polar surface areaand carcinogenic and mutagenic toxicities of 242 fungicides,512 herbicides and 399 insecticides were calculated and analyzed.

1996年，Lipinski通过对2000多种口服药物进行分析，提出了用于药物分子筛选的&5规则&，即化合物疏水常数(CLogP≤5或MLogP≤4.5)，相对分子质量不大于500，氢键给体数不大于5和氢键受体数不大于10[1]。2003年，Andrew等报道了从高通量筛选结果中获取先导化合物的规则：化合物疏水常数≤3，相对分子质量小于450[2]。

The weak base anion exchange resin with covalent bond side chains which contain donator atom N offering unshared electron pairs, is able to form a coordinative covalent bond to heavy metal in which unsaturated vacant orbits exist in its electron shells.

在天然淡水水体的环境下，重金属被树脂吸附源于树脂胺基官能团上的N原子有孤对电子，水中所含重金属的价电子层有空轨道。

But also for many people, you buy a stock fund, you can buy their own stock to replace, to buy open-end bond funds can buy their own bonds to replace, but to buy closed-end bond funds can not be replaced.

而且对许多人来说，你买了股票基金，你可以购买自己的股票来取代，购买开放式债券基金可以购买自己的债券来取代，但购买封闭式债券基金是不可替代的。

The U.S. market in recent 3 years and the recent 5-year data show that closed-end bond funds yield more than open-end bond funds should be higher than 50%.

在近3年美国市场，以及最近5年的数据显示，封闭式债券基金收益率比开放更年底国债资金应高于50％。

Because "the U.S. market nearly 3 years and 5 years of data show that closed-end bond funds yield more than open-end bond funds for more than 50 percent higher."

因为&美国市场近3年和5年的数据显示，封闭式债券基金收益率比开放更多的百分之五十以上的高端债券基金。&

Design rich Tianfeng Fund said that foreign experience has shown that 3-5 year bond closed-end funds than open-end investment income bond funds there is a big advantage.

富国天丰基金的设计说，外国的经验表明，3至5年期国债收盘，比开放式基金的投资收益债券基金年底有一个很大的优势。

Ruddy shelducks are monogamous. They form and maintain the pair bond at wintering ground; individuals that form and maintain pair bond at this most stressful time might be thought to accrue some advantage that would be adaptive.

通过扫描取样在拉市海越冬的配对赤麻鸭（2000年1月到3月）的活动时间预算，我们发现在此越冬的配对赤麻鸭主要有5种类型的行为活动，即，取食、休息、理羽、饮水、和警戒。

The network space is the typical form of abstract space when it comes to the digital stage.

网络空间是抽象空间数字化阶段的典型形式。

The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

公证制度作为我国司法证明制度，既是社会信用体系的建设者，同时也是社会信用的捍卫者，在诚信中有其特殊的价值和功能。