应用力学

The recent advances in the first principles calculations and atomistic simulations further help us in understanding atomic bonding, dislocation configuration and alloying effects in intermetallics which has led to the development of nickel, iron and titanium aluminide alloys with improved mechanical and metallurgical properties for structural use.

第一原理计算和原子结构模拟的新近研究结果能进一步帮助了解金属间化合物的原子结合键性质、位错组态和合金元素的作用。对基本问题的更好了解导致镍、铁和钛的铝化物金属间化合物合金的力学和冶金性能的改进，更接近了结构方面应用的要求。

This article take the cast-in-place reinforced concrete spatial core beamless roof characteristic as a foundation, analyzes its basic mechanics performance, explores the reasonable computation pattern and the design method, to carries on the design, the safeguard structure safety handling correctly, further promotes its application, has the vital significance.

本文以现浇钢筋混凝土空心板无梁楼盖的特点为基础，分析它的基本力学性能，探索合理的计算模式和设计方法，对正确进行设计、保障结构的安全使用、进一步推广它的应用，有重要意义。

The paper wants to realize more roundly the basic mechanics behaviors of the Yellow River silt bearing cellular bricking structures by the experiments of three groups of specimens of flexura...

其目的是通过对黄河淤泥承重多孔砖砌体试件的弯曲抗拉试验，更全面地认识黄河淤泥承重多孔砖砌体的力学性能，以便能得到更广泛的推广应用。

It is an important branch of mathematics and it has developed into a bulky subject and has been extensively applied in other natural sciences such as mechanics, calorifics, theoretical physics and other branches of mathematics.

复变函数论是数学的重要分支之一，它本身在发展中已成为一门庞大的学科，而对其它的自然学科，如力学、热学、理论物理及数学的其它分支，复变函数论均有重要的应用。

Due to their special network structures and larger specific surface area, the carbonized aerogel is widely used in the field of mechanics, acoustics, electricity, calorifics and optics.

由于其独特的网络结构和高比表面积，使得碳气凝胶在力学、声学、电学、热学以及光学等领域都有潜在的应用价值。

Thermal protective material should be provided with characteristics of low ablation recession rate, large ablation enthalpy, high thermal shock resistance and little fluctuation in mechanical properties. Carbonous composite is one of ideal materials to survive in such environment and satisfy these requirments.

由于工作环境的特殊性以及防热结构的重要性，防热材料内部的微观结构特征、超高温热物理性能和力学性能的演化规律以及超高温环境下的烧蚀行为，评价结构的可靠性，已成为防热复合材料制造和应用中所亟待解决的重要理论和工程问题。

Autologous MSC can be obtained easily,their source in human are plenty , own active proliferationand potential to difference into chondroblast.

自体骨髓基质干细胞来源丰富，取材容易，具有旺盛的增殖能力及向成软骨细胞分化的潜能，已成为软骨组织工程的首选种子细胞，但MSC诱导分化为成软骨细胞且应用于软骨组织工程的技术尚不十分完善，目前主要采用的技术为细胞团块离心管培养，其构建的软骨组织在力学性能上很难达到关节软骨的要求。

Autologous MSC can be obtained easily, their source in human are plenty, own active proliferation and potential to difference into chondroblast. Now MSC become the chief seed-cell in cartilage tissue engineer, but the technology to stimulate MSC differentiate into chondroblast is not very successful, the standard technology is culture the cell-ball in centrifuge tube, the reconstructured cartilage-like tissue is not achieve the mechanics of hyaline cartilage.

自体骨髓基质干细胞来源丰富，取材容易，具有旺盛的增殖能力及向成软骨细胞分化的潜能，已成为软骨组织工程的首选种子细胞，但MSC诱导分化为成软骨细胞且应用于软骨组织工程的技术尚不十分完善，目前主要采用的技术为细胞团块离心管培养，其构建的软骨组织在力学性能上很难达到关节软骨的要求。

Autologous MSC can be obtained easily,their source in human are plenty , own active proliferationand potential to difference into chondroblast. Now MSC become the chief seed-cell in cartilage tissue engineer , but the technology to stimulate MSC differentiate into chondroblast is not very successful,,the standard technology is culture the cell-ball in centrifuge tube,the reconstructured cartilage-like tissue is not achieve the mechanics of hyaline cartilage.

自体骨髓基质干细胞来源丰富，取材容易，具有旺盛的增殖能力及向成软骨细胞分化的潜能，已成为软骨组织工程的首选种子细胞，但MSC诱导分化为成软骨细胞且应用于软骨组织工程的技术尚不十分完善，目前主要采用的技术为细胞团块离心管培养，其构建的软骨组织在力学性能上很难达到关节软骨的要求。

The characteristics and influencing factors of various ductile fracture criteria were compressively analyzed. Ductile fracture criteria built on the theoretical basis of Lemaitres continuous medium damage-mechanics was chosen, and materials constants used in the ductile fracture criteria were calculated through the Role of Mixture.

综合分析了各种韧性断裂准则的特点及其影响因素，选择了在连续介质损伤力学Lemaitre的理论基础上建立的韧性断裂准则，应用混合法计算出了韧性断裂准则中的材料常数。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。