查询词典 parent nucleus

Based on the QSAR equation for MDR modulators, a new type of MDR modulators was designed with benzimidazole moiety as their parent nucleus, and four compounds of this type were synthesized and characterized.

在MDR逆转剂构效关系的理论指导下，选定苯并咪唑为母核，设计了一类新的MDR逆转剂候选化合物，合成了4个这种类型的新化合物。

According to decay modes of 241Pu, the variation with time of the ratio both the gamma rays and the atoms from the disintergration of the parent and the daughter nucleus is described in the paper.

根据241Pu的不同衰变模式，对母核和子核衰变伴随的γ辐射随时间的变化、各种情况下子核与母核的原子比随时间的变化规律等进行了描述。

Chinese culture is the parent and nucleus of Taiwan culture.

台湾文化的母体和核心是中华文化。

What is the parent nucleus ?

母核是什么？

Although the cloned child will carry the same problem genes as the parent who donates the nucleus, he or she will in all likelihood enjoy the parent's state of health and will be free of the additional risks caused by mixing both parents?genes during sexual reproduction.

尽管被克隆的孩子也会携带捐赠细胞核的父亲的问题基因，但是他们十有八九会享有和父亲一样的健康，并且在有性生殖的时候也会避免因为混合了父母的基因而造成的另外的危险。

The results showed that the biological activities are closely related to the steric conformation and distribution of electrostatic potential of carboxyl group: The coplanatity between the group of C-3 position and the parent nucleus and the coplanatity between the group of C-3 position and C-4 keto group are very important for biological activities.

结果发现该类药物的抗菌活性与C 3位的空间构象和静电势分布有着紧密的联系。C-3位羧基与C-4位酮基共面性、以及它和母核共面性对抗菌活性十分重要，C-3位两个氧原子周围较强的负静电势也是影响活性的重要因素。

The present paper take the purine synonym kui zuo lin as a parent nucleus, separately in its 4 and 7 introduction structure diverse substituted benzene amino and the flexible side chain, designed a series of 4- substitution anilino-- 6- methoxy - 7-(2- hydroxyl to substitute for third oxygen radical) kui zuo lin a kind of compound.

本论文以嘌呤类似物喹唑啉为母核，分别在其4位和7位引入结构多样的取代苯氨基和柔性侧链，设计了一系列4-取代苯胺基-6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉类化合物。

Methods: In this paper, a quinazoline purine analogues for the parent nucleus, respectively, and four of its seven introduced to replace the structure of diverse and flexible side-chain amino-benzene, design a series of 4 - to replace the aniline-based -6 - methoxy --7 -(2 - hydroxy replace C oxy) quinazoline compounds.

目的：通过各种化学合成方法完成目标化合物4--6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉的合成并对目标化合物进行结构修饰，以期获得高活性的表皮生长因子受体酪氨酸激酶抑制剂。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。