查询词典 nucleus

Then a reconstructed embryo was completed by the direct injection of the donor nucleus or cell without pulling out the injection pipette.

最后在不拔出注射针的情况下直接注射细胞核或完整细胞进而完成重构胚的构建。

Plasmagene A gene contained in a structure outside the nucleus , e.g. the genes in mitochondria and chloroplasts.

细胞质基因：位于细胞核外的一定结构中的基因，如线粒体和叶绿体中的基因。

Using the mechanism of the nuclear reaction of accelerated 7Li +3 ions with the inner target in mutant material i.e 1H( 7Li, 7Be)n, the biological effects were studied. The wheat seeds were irradiated with the doses ranged from 1.416×10 10 ions/cm 2 to 1.416×10 12 ions/cm 2. It was found that the cell membrane ruptured, the plasmolysis occurred, the nucleus shape changed.

将加速器7Li+ 3 离子束与生物体内遗传物质发生1H( 7Li，7Be)n内靶特征核反应诱发核酸分子结构变化的机制应用于生物诱变，辐照剂量在 1 41 6× 1 0 10 粒子 cm2 - 1 41 6× 1 0 12 粒子 cm2范围内处理的小麦，观察幼苗叶片细胞亚显微结构，发现离子束注入引起了细胞膜的破裂，细胞发生质壁分离，细胞核形状变得不规则等。

This phenomenon suggests that the interactions between the nucleus and plastids are reciprocal: the development of plastid is controlled by the nuclei, on the other hand, certain nuclear genes by plastids.

这说明细胞核和质体之间的作用是相互的：质体的发育受细胞核的调控，另一方面，某些核基因的表达也受到质体的控制。

The results show that DNA content and pleomorphism of the nucleus of the cancerous cell are of two prognostic factors.

并探讨了胆管癌细胞核形态学与其TNM分期、组织病理学分级、肿块大小、浸润性和淋巴转移等生物学行为的关系。

The nucleus carries an amount of positive electricity equal to the negative electricity carried by all the flying electrons.

原子核带有一定量的正电，与全部飞行中的电子所带的负电相等。

The basal continental crust of Tarim-Tianshan area in Xinjiang consists of the continental nucleus, which is composed of grey gneisses, greenstones, and potass granites similar to charnockites, and its accretionary belts mainly of the early Proterozoic and partly the Middle Proterozoic.

塔里木－天山地区基底陆壳由太古宙灰色片麻岩、绿岩和可能是紫苏花岗岩的含钾花岗岩类组成的陆核及其古元古代和少量中元古代增生带组成。

To analyze mechanism underlying pressor response of the nucleus v entromedialis to glutamate.

目的：分析谷氨酸兴奋下丘脑腹内侧核引起升压反应的机制。

Each radioactive nucleus of a particular kind is responsive to a fixed decay probability per unit time.

每个特定类型的放射性原子弹对单位时间内一个固定的衰变几率作出响应。

The number of protons in the nucleus of an atom is referred to as the atomic number, or proton number, Z.

原子核内质子的数目即原子序数或称质子数，用Z表示。

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。