查询词典 nucleus

In virtue of the principle of cytology , the authors analyse the boundary ?the nucleus and the close greenbelt of the basic unit, trying to find a befittingly way for the outer environment of highrise settlement.

本文针对高层住居外环境展开论述，把其看成是一个有机完整的基本单位，借鉴生命的细胞原理，以系统的观点分析这个基本住居单元外环境的边界、核心和近宅绿地部分，探索高层住居外环境的适宜性途径。

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。

Temporarily known as ununseptium, because it has 117 protons in its nucleus, it was made at the Joint Institute for Nuclear Research in Dubna by smashing calcium ions into berkelium atoms.

我们暂且称之为117号元素，因为在它的原子核内有117个质子。它是由位于杜布纳的联合核研究所通过轰击钙离子而得到的。

The process of beta decay increases or decreases the positive charge of the original nucleus by one unit without changing the mass number.

衰变过程使母核增加或减少一个单位的正电荷而不改变它的质量数。

The neutrino was first postulated in 1930 by Wolfgang Pauli to preserve the conservation of energy, conservation of momentum, and conservation of angular momentum in beta decay—the decay of an atomic nucleus into a proton, an electron and an antineutrino.

中微子是1930年由沃尔夫冈泡利为了保持能量守恒，动量守恒和β衰变---一个原子核（那时还没有认识到是中子）衰变成一个质子、一个电子和一个反中微子的角动量守恒，。

Any of three processes of radioactive disintegration in which a beta particle is spontaneously emitted by an unstable atomic nucleus in order to dissipate excess energy.

某些不稳定原子核为耗散其过剩能量而自发发射一个β粒子的三种放射性衰变过程的统称。

Any of three processes of radioactive disintegration in which a beta particle is spontaneously emit ted by an unstable atomic nucleus in order to dissipate excess energy.

某些不稳定原子核为耗散其过剩能量而自发发射一个β粒子的三种放射性衰变过程的统称。

Red blood cells (also called erythrocytes or red corpuscles; corpuscle is an older term meaning any blood cell) are flat, biconcave discs lacking a nucleus.

红细胞（ corpuscle 是用于称呼任何血细胞的一个较陈旧的术语）为平而双凹形的圆盘状，无核。

A nucleus is about one thousand billionth the size of an atom.

原子核的体积大约是原子的一千兆分之一。

A nucleus is about one billionth the size of an atom.

原子核的大小约为原子的十亿分之一。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。