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The growth of truncated icosahedra could be induced and maintained through interplay of following processes:the~50 nm multiple twinned seeds were generated; shape and size focused by Ostwald ripening,then oxidativly etched and preferentially grew on the {100} face.Oxidative etching plays an important role in the formation of gold nanocrystals on hydrothermal condition.

对二十面体金纳米粒子及截角二十面体的生长机理进行了探讨,考察了不同刻蚀程度对金纳米粒子的形态影响,研究结果表明,增强体系刻蚀程度有利于单晶的生长,减弱刻蚀程度有利于孪晶的生长

The growth of Schizopygopsis stoliczkai stoliczkai could be fitted with von Bertalanffy equation. There were inflexions in growth rate and growth acceleration of body weight, the reflection point was t=10.18 years. Growth rate and growth acceleration of body length would change as time.

用von Bertalanffy方程拟合高原裸裂尻鱼的生长,体重生长速度和加速度曲线均具明显拐点,拐点年龄为10.18龄,体长生长速度和加速度随时间变化。

Quantification of the bone ingrowths of PCHA was increased about eight times than CHA.

CHA的骨生长仅发生在材料与骨界面之间,材料中心始终无骨生长;计算机病理图象分析结果表明:骨内植入16周时,PCHA的新骨生长面积(占骨缺损面积的32.20±1.47%)比CHA(占骨缺损面积的3.91±0.68%)大8倍。

In addition, Ca〓 ionophore A〓 impeded pollen germination and tube growth.

此外,Ca〓载离子体A〓亦抑制花粉萌发和花粉管生长,但与Verapamil和Co〓的效应不同,花粉管生长过程对A〓比花粉萌发敏感得多,表明花粉管中Ca〓极性分布对花粉管生长的重要性。

Growth models of virtual trees include morphological structural models, functional models and functional-structural models. Functional-structural models may simulate the interaction between trees and its environment, whose outputs are 3D structure of trees. Therefore, functional-structural models are more close to realistic tree growth process and lead the trend of tree growth modelling.

虚拟树木生长模型包括形态结构模型、功能模型和结构-功能模型等,其中结构-功能模型可以模拟树木与环境间的相互关系,其结果为树木的三维结构,因此它最为接近现实树木的生长,是虚拟树木生长模型的发展方向。

Shi Paper: Shiershan scientific name, bryophytes, black leaf-shaped, growing up in the five fingers 1000 meters above the mountain peaks Yam precipices and overhanging rocks, the growth is slow, generally picking the products require decades of growth process.

石皮:学名石耳,苔藓植物,黑色叶片状,生长在1000米以上的五指峰阴那山悬崖峭壁上,生长速度缓慢,一般采摘到的产品都需要几十年的生长过程。

In litmus milk experiment, all of strains produced alkai expect for MZ02 and MZ04 produced acid reactions. At 30℃, all of strains grew best, and had a wide range in salt, acid and basic resistance. MZ04 was capable of good growth at salt density of 2.0%, MZ04 and MZ10 could still grew better at pH 9.0. All of the strains were not resistant to 250 μg /mL gentamicin(Sm3), and to other antibiotics, different resistances were presented by different strains, MZ02 had worst resistance to all antibiotics, while MZ04, MZ08,MZ09 had strong resistance.

所有供试菌株在温度30℃时生长最好,耐盐、耐酸碱范围较宽,MZ04在含盐浓度为2.0%环境还能生长良好,MZ04、MZ10在pH9.0环境仍能生长较好;所有菌株对250 μg /mL 庆大霉素(Sm3)均无抗性,不同菌株对其余供试抗菌素表现出不同的抗性,MZ02抗性最差,对所供试的抗生素均无抗性;MZ04、MZ08、MZ09抗性相对较强。

It is shown that the results based on this approach are in good agreement with the accurate numerical results. The propagation characteristics of metal-clad exponential index distribution waveguide are analyzed, too.

在外延生长过程中,采用微欠饱和母液回熔方法,提高了外延生长的重复性,解决了较大面积外延生长的表面质量问题,回熔厚度可控制在1μm左右,回熔表面平均平整度在30—200nm之间。

When no angiogenesis, solid tumor growth will Be inhibited so obviously that it is limited to carcinoma or tiny metastasis of several hundred micra; on the contrary, if having angiogenesis, tumor will grow rapidly, whacs more, its nature of soakage and metastasis will be enhanced greatly.

新生血管为肿瘤的生长、转移提供氧和营养物质,在无新生血管生成时,实体肿瘤的生长明显被抑制,只局限于原住癌或几百个微米的微转移;而一旦新生血管长入,肿瘤将迅速生长,且浸润和转移的能力大大加强。

Comparative study on two levels of population and modules of mutualspecies in the two stations demonstrates that feature index tend to diminish suchas height,tussock amplitude,size,number,density and dry weight;and thegrowth analysis index incline to increase such as RGR、ULA、chlorophyllcontent and effectiveness of plant multi-leaves of the populations and DULA、DUMR、DAGA and DRGRa of the modules;and the dynamic curves of thepopulations and the modules also tend to steadily increase along with thetemperature ascending,heat accumulation and combination between water andheat in moderate-temperature steppe from fierce fluctuation alongside naturalprecipitation in warm-temperature steppe,illustrating that the transformabletendency from increasing the numbers of tussocks and tillers in order to expandthe resource range to seize in warm-temperature steppe to steadily improve drymatter production function of the populations and the modules in moderate-temperature steppe.

两个不同热量型研究站点共有种种群与构件两个水平的比较研究表明:随纬度增加和气温降低,种群与构件高度、丛幅、大小、数量、密度和干重等特征指标趋于降低和减少,而种群RGR、ULA、叶绿素含量和植物多叶性与构件DULA、DUMR、DRGR和DRGRa等生长指标则趋于增加,种群与构件的生长动态曲线也从随天然降水而剧烈波动趋向于随气温升高、热量积累和水热配置状况而稳定增长,说明各共有种从暖温型草原区增加植物种群与构件的大小和数量以扩充资源利用范围向中温型草原稳定地提高种群与构件的干物质生产性能的方面转变的趋势;同时,物质与能量的分配也从较多地投资于繁殖器官产生大量后代以适应未来降水的不可预期变化趋向于同化系统的构建和干物质生产效能的提高以抵御低温和干旱对物种生存的威胁,充分显示出不同温度条件及其水热组合对植物种群形态结构和生长繁育模式的显著影响及其响应特征。

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