平邑盆地下第三系官中段核形石较为发育,类型多样。
Many types of oncoids are well developed in the Middle Member of the Guanzhuang Formation of Eocene in Pingyi Basin.
出现可染小体巨噬细胞,未见明显核仁或不规则核形。
Tingible body macrophages are present. No prominent nucleoli or irregular nuclear profiles are appreciated.
结果表明其由核心和叠层石包壳组成,具有核形石特有的结构和构造。
The structure and texture found in these nodules are characteristic of oncolite.
从生物岩的角度提出深海锰结核(锰质核形石)的描述方法及所用术语。
The method and terminology for describing pelagic manganese nodules (oncolites) have been suggested based on their biogenic origin.
通过结构、热电场的全耦合,分析了焊接过程中接触面压力变化规律,单边焊熔核形成过程以及形核特点等。
The change rule of the contact pressure, nucleation process and character were investigated by the coupled thermal-electrical-mechanical analysis.
并根据本研究提出的分析程序,确定了空穴的临界形核应变以及在形核应变时的相对空穴体积。
Based on the analysis procedure proposed in this work, the critical nucleation strain and relative void volume at the critical nucleation strain were determined.
在模拟过程中,采用连续形核的方法处理液态金属的异质形核现象。
Continuous nucleation model was used to describe heterogeneous nucleation of the liquid metal.
实验结果表明,高的反应温度和煅烧过程中快的升温速度明显增加了前驱体溶液中单斜氧化锆的形核数。
Experimental results indicate that a high reaction temperature and quickly ascending temperature speed apparently increase the nucleation number of monoclinic zirconia in the precursor solution.
孪晶结构的形成依靠堆垛层错的滑移运动而形核和扩展。
The formation of twin structure depends on the slip of stacking fault for nucleating and extending.
热冲击疲劳裂纹的形成与微孔洞的形核、长大和连通有关。
The crack formation of thermal shock fatigue is related to the nucleation, growth and join of microvoid.
结果表明:低碳球墨铸铁中的石墨是以锰、钙等的硫化物与氧化物作为基底形核并长大形成的。
SEM and TEM examination showed that the graphite in low carbon ductile iron formed nucleus and grew up based on the sulfide and oxide of manganese and calcium.
金属凝固过程中加入形核剂是改善金属材料组织和性能的常用方法。
Adding nucleating agents to metal liquid is a common way to improve the structure and mechanical properties in solidification process.
阐述了挤压铸造比压对形核率及成长线速度的影响。
Effects of the specific pressure on nucleation rate and linear growth velocity were expounded in squeeze casting.
拍摄了热疲劳裂纹的形核、成长、连接过程。
The nucleation, growth and connection of fatigue cracks were photographed.
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.
但是甲烷浓度由0.6%逐渐增加到1.2%时,所得最终形核密度比一开始就将甲烷浓度设为1.2%的形核密度低。
However, the final nucleus density obtained on gradually increasing the methane concentration from 0.6% to 1.2% is smaller than that deposited at a methane concentration of 1.2%.
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.
当成分起伏的“方向性”和“程度”满足形核的热力学条件时,相变驱动力增加,可以促使钢液形核。
When unstable thermal conditions are satisfied with the constituent fluctuations of "correct direction" and "degree", phase transformation driving force is raised and nucleation is promoted.
根据热力学可以选择合适的形核剂。
The suitable nucleating agents can be selected according to thermodynamics.
方程的两类解分别代表表面马氏体和孪晶马氏体的形核。
Two kinds of solutions are obtained, which represent the nucleation of surface and twin martensites respectively.
本文对目前流行的各种方法进行了归类,主要思想有:边缘保持、矢量量化、小波变换、插值核、分形技术以及边缘模型。
And this paper classifies the popular methods, the main ideas are as follows: edge preserving, vector quantization, wavelet transform, interpolation kernel, Fractal technology and edge model.
位错形核现象。
背景:创伤后多形核白细胞(PMN)激活是导致宿主组织损害和器官损伤的关键步骤。
Background: Actiation of polymorphonuclear neutrophils (PMN) is a critical eent leading to host tissue injury and organ damage after trauma.
得到了不同直径和手性角情况下碳纳米管缺陷形核和断裂的临界应变。
The critical strains of defect formation and fracture occurrence of CNTs with different diameters and chiral angles were obtained.
证实了位错塞积的存在及其对微裂纹形核的促进作用。
This verifies the existence of dislocation pile-up and its stimulation to the nucleation of microcracks.
试验结果表明,随着循环温度的增高,裂纹形核孕育期缩短, 裂纹扩展速率增大;
The results have shown that the incubation period of crack nucleation decreases and the propagation rate of crack increases with increasing the cyclic temperature.
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.
本文研究了淬火面心立方金属内位错环和空洞的形核和长大问题。
The nucleation and growth of dislocation loops and voids in quenched face-centred cubic metals have been studied.
采用压痕法及扫描电镜观察,研究了抗磨贝氏体球铁中裂纹的形核与扩展。
Crack nucleation and propagation in wear-resistant bainite ductile cast iron were investigated by press trace method and SEM.
它又细又长,有一个长梭形细胞核。
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