查询词典 nucleus

According to phase change theory of thermodynamics, the condensation conditions of reacting solid products are concluded and the productivity and critical size of condensation nucleus are given.

根据热力学相变理论，总结了反应固相生成物发生凝结的条件、凝结核的生成速率和临界尺寸。

During the PCD, condensation of nucleus, marginalization of chromatin, nuclear membrane shrinkage and destruction apparently occurred, and many vesicles appeared in the cytoplasm, which may be related to the degradation of cell substances.

正在凋亡的细胞核染色质固缩、趋边、核膜破裂或皱缩、细胞质囊泡化并将降解的物质运到周围细胞，从而保证了其它细胞正常发育以及生长的细胞对物质和能量的需求。

Microscopy revealed apoptotic characteristics,including chromatin condensation and cell nucleus fragmentation, demonstratingthat ardipusilloside I induced apoptosis.

ArdipusillosideⅠ治疗后的瘤细胞在显微镜下显示出明显的凋亡特征，包括染色质浓缩边集，细胞核分裂；这表明ArdipusillosideⅠ诱导了瘤细胞凋亡。

The histological structure shows the lobule testis in Leptobotia elongate Bleeker, and the spermatogenesis is divided into 6 phases based on the size, nucleolus number, the degree of nucleus and cytoplasm condensation.

组织学结构显示长薄鳅的精巢属于小叶型，根据发育过程中细胞的大小、核仁多少、细胞核和细胞质浓缩的程度将精子发生划分为6个时相。

During spermiogenesis, the most dramatic morphological changes involve formation of the head and the flagellum, condensation of the nucleus, formation of the acrosome, and elimination of excess cytoplasm as the residual body.

成熟精子的顶体位于精子头部，内含有多种水解酶，在精子成熟、获能和受精过程中起着重要作用，因此研究顶体形成为探索控制生育和不育的机理提供了重要线索。

At last, during the incompatible interaction, chromatin condensation and marginalization in the nucleus happened, but DNA cleavage of nucleosomal and"DNA Ladder"didn't occurre.

首次利用oxyhemoglobin assay在单子叶模式植物水稻中测定了iNOS酶活性，初步明确了在Xcv与水稻细胞非亲和性互作中NO产生来源及其对过敏性反应的调控作用。

The study of the histopathology showed that the haemolymph in the disease crab decreased sharply, and was replaced by large amount of parasites, which was observed in muscle, heart and hepatopancreas from the disease crab. The pathological characteristics mainly appeared as cells swelling, necrosis, nucleus condensation and collaspe.

组织病理学观察发现，病蟹血淋巴急剧下降，代之以大量的寄生原虫，该寄生虫在病蟹的肝胰腺、鳃、心脏、肌肉等部位大量侵袭，并引起这些组织发生以坏死为主的变质性病变，其病理特征主要表现为：细胞肿胀、变性、坏死，某些细胞的细胞核固缩、碎裂或崩解。

Main ultrastructrual changes included cytoplasm degeneration, want of pinocytotic vesicle and phagosone, decreased organelles and granules, mitochondria swelling, nucleus condensation, etc.

主要包括：中性粒细胞质变性，吞噬泡欠缺，细胞器及细胞颗粒减少，线粒体肿胀，细胞核浓缩等。

Target compounds have been synthesized by condensation of the aromatic nucleus and amino heterocylcle with acyl isocyanates or acylisothiocyanates in absolutely anhydrous and aprotic solvent.

为了寻找高活性的农药品种，利用生物等排原理和亚结构连接法，对脲类化合物的母体结构进行了修饰，将芳氧羧酸类及吡唑环引入酰基脲母体结构中，利用酰基异氰酸酯与杂芳环胺类化合物在无水非质子溶剂中发生亲核加成反应，合成了四个系列21种新的酰基脲类目标化合物。

Spermatozoa of Hemicentrotus pulcherrimus belong to the type of flagelloform, it has a coniform cell nucleus on its head, a small apical body on its forepart, four mitochondria, a couple of central granules, and a flagellum.

海胆精子与其他无脊椎动物的精子一样，属于鞭毛型，其头部包含一个圆锥形的细胞核，前端配有一个小的顶体，还包括4个线粒体、一对中心粒和一根鞭毛。

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。