其生长机理可以用对称性的形核生长模型来解释。
Their growth mechanism could be explained by symmetrical nucleation and growth model.
气相形核生长机理能够解释浮动催化系统生长碳纳米管的结构特征。
The VPN growth mechanism can be used to well explain the characteristics of CNTs in floating catalyst system.
提出了气相形核生长(VPN)机理解释浮动催化体系中碳纳米管的生长过程。
Vapor phase nucleation (VPN) growth mechanism was proposed to explain the growth of carbon nanotubes in floating catalyst system.
所制备的复合材料具有均匀的显微组织，基体中的共晶组织可依附在纤维表面形核生长。
The composites fabricated have uniform microstructures, and the eutectic structures in the matrix can attach on surface of the fiber to nucleate and to grow.
至于1500年以前的资料，两位研究人员则利用了从他人论文中挑选出的间接数据，如：冰核、年轮、以及珊瑚的生长方式。
For earlier years, the two researchers relied on indirect data such as ice cores, tree rings and the growth patterns of corals that they culled from other people's papers.
目的：研究表皮生长因子受体和增殖细胞核抗原在胃肿瘤中的表达及其临床意义。
Objective: To study the expression of EGFR and PCNA protein in human gastric neoplasm and its clinical significance.
进一步指出在预热处理中可以通过控制再结晶石墨的生长，来达到控制金刚石核量的目的。
It is put forward that, diamond nucleation amount can be controlled by controlling the growth of recrystallized graphite during the preheating period.
根据晶体生长理论，讨论了磁场影响纳米颗粒形核和长大过程的机理。
The mechanism of magnetic field effect on the nano particle nucleation and growth was discussed by crystal growth theory.
结论：提示下丘脑弓状核通过调节与骨代谢有关的激素参与全身骨骼生长发育的调控。
Conclusion: the hypothalamic arcuate nucleus participated in the regulation of the growth and development of skeleton in rats.
山羊皮肤干细胞在体外培养开始呈圆形或椭圆型、核大而明显，随后成集落样生长，并可维持14 ~20天。
Goat epidermal stem cells were round or elliptical at beginning of in vitro culture with big obvious nucleus, then became colony-like, could grow 14 ~ 20 d.
介绍了合金的初生小晶面相的形核和生长机制，不同变质剂对其形态的作用机理。
The nucleation and growth mechanism and the effect of the different modificators on the morphology of primary faced crystal are introduced.
结论嗅鞘细胞与大鼠尾状核神经元共培养可促进神经元生长。
Conclusions: OECs promote the growth of the co-cultured rat caudate nucleus neurons.
结果表明，先共晶富锌相和先共晶富铝相都具有瞬时形核特点，但生长规律不同。
The results showed that both pre eutectic Zn rich phase and Al rich phase have the same features of instantaneous nucleation but have different characteristic growth.
本文讨论了用非参数模型对儿童生长曲线进行拟合，给出了两种非参数曲线拟合方法：光滑样条和核估计。
This paper discusses childhood growth curve fitting by nonparametric models, and provides two methods for nonparametric curve fitting: smoothing spline and kernel estimator.
探讨电刺激小脑顶核(FNS)对局部脑缺血后血管内皮生长因子(VEGF)表达和毛细血管新生的影响。
An investigation has been made of the role of fastigial nuclei stimulation (FNS) on the expression of vascular endothelial growth factor (VEGF) and angiogenesis in rats with local cerebral ischemia.
如果二磷酸核酮糖羧化酶不会催化光呼吸作用，植物将会更好地生长。
If rubisco could be persuaded not to catalyse photorespiration, plants would grow more vigorously.
城市中心区是城市的象征与生长核。
通过分离、纯化细胞核的对照实验证明不同培养条件对烟草细胞悬浮系的生长和周期具有显著影响。
The controlled experiment of isolating and purifying nuclei proves that the culture conditions work on the growth of the tobacco suspension cells obviously.
然后它们个别作同样的，从这团化学和能量核之类的，自然地生长成一团细胞。
Then they all do, and a mass of cell growth occurs spontaneously from this core of chemistry and energy and such-right?
极大的冷却速率使得接头组织瞬间形核并快速生长，形成组织细小致密具有快速凝固特征的焊接接头。
Due to very high cooling rate, the nugget structure rapidly nucleates and grows. The refined microstructure of the nugget with rapidly solidified characteristic is formed.
全程观察生长过程，定期称重，测定各脏器重量指数及骨髓多染红细胞微核率。
The growth change, organ weight index and micronucleus-forming rate of bone marrow polychromatic erythrocytes were observed in all groups.
目的：构建人肝细胞生长因子（HGF）的真核表达载体，并在COS7细胞中进表达。
To construct PCI-hepatocyte growth factor (HGF) expression vector and to detect its transient expression in transfected COS7 cell line.
通过引入异质形核模型、枝晶生长模型、几率形核基底模型，借鉴单元自动生长机制，仿真了等轴晶、柱状晶组织形成的过程。
Based on the cellular automata technique, the heterogeneous nucleation model, dendrite growth model and random nucleation model are used to simulate the formation of equiaxed and columnar dendrite.
而水面漂浮物中的主要结构是碳纳米洋葱和不规则的多面体纳米颗粒，由各向同性的碳粒子在气泡壁附近形核并生长而成。
The main structures in floating products are carbon nano-onions and irregular polygon particles, and they grew from isotropic carbon particles near gas bubble wall.
培养基中不同的碳源、氮源和无机盐影响冰核细菌的生长、冰核蛋白的表达及黄原胶的产率。
Different carbon source, nitrogen source and inorganic salts in medium affected the cell growth, the ice nucleation activity and the xanthan gum ratio.
结果：卫星细胞生长、分化良好，最终由单个核圆形细胞逐渐变化为多个核的长圆柱的肌管状细胞。
RESULTS: Satellite cells grew and differentiated well, and finally the single nucleus round cells changed into the multinuclear cast myotube shaped cells gradually.
综合热传导方程与过冷形核、生长规律，用显式有限差分法模拟了共晶铸铁的凝固过程。
An explicit finite-difference method (FDM) was used to model and simulate the solidification of eutectic cast iron by combining heat transfer equations with undercooling nucleation and growth laws.
目的：检测环上颌骨骨缝区增殖细胞核抗原阳性表达，探讨缝牵张促进上颌骨生长发育的作用。
AIM To detect proliferating cell nuclear antigen PCNA positive expression in suture cells around maxilla and explore the improvement of suture expansion on the growth and development of maxilla.
首次观察到成熟腺毛头部为具有独特的内突生长的传递细胞，细胞为圆球形，细胞质稠密，细胞核大，内质网发达，液泡较小，细胞壁厚。
We first observed that the head ofmature tentacle contained transfer cells which were pellet shape, thickness cytoplast, large nucleolus, developing endoplasm, small vacuole and thick cell wall.
生长抑素样神经元以中、小型细胞为主，室旁核内见有少量大细胞。
Most SRIF positive neurons were small or medium sized, but a few large cells were observed in PVN.
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