查询词典 initiation

A trilamellar structure formation was the initiation of development of foot layer.

在二胞花粉时期，内壁形成之前，出现4—5层的层状结构，这在禾本科其它植物未曾观察到。

Dithioester and trithiocarbonate RAFT reagents were synthesizedby different methods, and were used for the polymerization of styrene ormethacrylates, by thermal, thermo-initiator and photo-initiation.

针对这一问题，本文尝试用三种方法合成了结构不同的RAFT试剂，考察了热引发、引发剂引发以及紫外光引发条件下，二硫酯／三硫酯调控的常见单体苯乙烯以及丙烯酸酯的RAFT聚合。

In functional study, overexpression assay was conducted in potato. Interestingly, tuberous swelling along roots was observed in some transgenic potato lines in addition to stem-derived tuber formation. Conclusively, we propose a hypothesis to illustrate the mechanism by which IbMADS1 participates in the initiation of tuberization in sweet potato.

利用解剖切片观察并比较转殖马铃薯与野生型甘薯的根部块状膨大区域，可以发现两者在膨大初期，中柱内含的细胞数皆增多，尤其是木质部细胞出现不正常增生情形，进而扩展中柱区域；因此，我们可以初步推论在甘薯块根发育初期，IbMADS1藉著作用於根部分生组织，尤其是中柱的原始形成层，从而促进细胞分裂，并参与甘薯的初期结薯。

Specimens were observed for fracture lines and crack initiation by somatotype microscope and scanning electronic microscopy. The unfractured part was loaded in compression till crack, and the maximal failture loads were recorded and analyzed.

用体式显微镜及扫描电镜连续观察样本裂缝发生情况，对未发生裂缝的样本施加载荷直至碎裂，分析碎裂载荷值。

Instant electric field-induced domain switching, crack initiation and propagation in a poled BaTiO3 single crystal, as well as sustained field -induced indentation crack propagation and 90°domain switching in an unpoled BaTiO3 single crystal have been investigated in situ using optical microscopy.

金相显微镜原位观察了面内极化的BaTiO3单晶在瞬时电场作用下的畴变和裂纹形核、扩展的关系以及未极化BaTiO3单晶在恒电场下Vickers压痕裂纹扩展和电致畴变的关系。

From the theoretical information of "Nativism" and intention theory and category visual concept, we can identify the concept of "Nativism" from the five aspects as follows: preexistence, objectivity, initiation, different quality and unrecognizing.

海德格尔在《时间概念历史导论》中透露了&先天&概念的学理信息。从胡塞尔的意向性理论和范畴直观概念出发，我们可以从先在性、客观性、开启性、异质性和非意识性这5个方面对&先天&概念作出严格的规定。

The vacuolar amino acid pool is utilized during initiation of budding.

当出芽开始时，液泡的氨基酸库被利用。

The comparison on the initiation activity of vanadyl polycarboxylate with vanadyl iso-butyrate and vanadyl sulfa-te (low molecular non-homologue) was made.

在引发活性方面对聚羧酸氧钒、异丁酸氧钒和硫酸氧钒作了对比。

The study suggested that TNF〓 and IL-1〓 might be produced in the cascade of events resulting in Wallerian degeneration and hyperalgesia following peripheral nerve compression, and increased TNF〓 and IL-1〓 mRNA may trigger other later responses in nervous system contributing to the initiation of peripheral neuropathic pain or other degeneration/regeneration processes.

提示：外周神经受压后诸如华勒氏变性、痛觉过敏等一系列反应可能有TNF〓和IL-1〓的产生，而后者的增加又会启动其它神经反应而在外周神经源性痛形成和神经退变/再生中发挥作用。

Wedging effect of corrosion byproducts was analyzed by using 3-D finite element method, and the site of possible fatigue crack initiation was identified.

利用三维有限元法分析腐蚀产物的&楔入效应&，得到最大主应力点的位置，是可能的起裂点。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。