力学的

Even after powerful work of the mechanistic scientists like Gassendi the change was not easily completed: Isaac Newton, whose name is associated more than any other with physical mechanics, dabbled frequently in alchemy.

即使在像Gassendi这样的机械论科学家发表有力的论文之后，变化仍然没能轻易完成：牛顿·艾萨克，他的名字与机械力学的联系比其他任何人都密切，也频频尝试炼金术。

This paper based on basic theory of continuum mechanics, presented the change of mass density, gravitational force and potential of deformable earth, both in the Eulerian and the Lagrangean portrait, and made some concepts on gravitational variation to clearer.

基于连续介质力学的基本理论，给出了地球密度变化、引力和引力位变化的Lagrange和Euler描述，明确了重力场变化的若干概念，它对于高精度地球重力场时空变化的理论研究具有参考价值。

With the increase of permeability ratio and advancement of inversion opportunity, the cumulative imbibition rate of low-permeability layer decreases.

摘要利用室内并联岩心物理模拟实验及渗流力学的基本定律，对聚合物驱油过程中的剖面返转规律及返转机理的研究表明，油层非均质性是剖面返转的主要原因，随着渗透率级差的增大及返转时机提前，低渗透层累积吸液比例下降。

Hypoplastic constitutive theory, which was originated from the middle and late stage of the 20th century, is a new type of soil constitutive theory based on rational mechanics. Hypoplastic theory can reflect inelasticity, nonlinearity, dilatancy and other main mechanical properties of granular material.

亚塑性本构理论是20世纪中晚期发展起来的一类基于有理力学的新型的连续介质本构建模理论，主要用于刻画无黏性散粒型上体的非弹性、非线性及剪胀性等主要应力应变特性。

Based on the fracture mechanics approach, the finite element method analyzed a varity of the stress intensity factor at the pavement crack tip when setting fiberglass-polyester paving mat, and the effect of the stress intensity factor in symmetric load and asymmetric load was studied when the asphalt layer modulus, thickness of semi-rigid base, the the depth of the crack, touch condition, interlay modular, etc., changed.

基于断裂力学的方法，采用ANASYS软件模拟沥青路面典型结构，分析了设置聚酯玻纤布夹层后，在正载和偏载作用下，裂缝尖端应力强度因子的变化，研究了沥青层模量、基层厚度及裂缝扩展深度等结构参量及层间接触条件和夹层模量对应力强度因子的影响规律分析结果表明，设置聚酯玻纤布夹层，可以有效防治荷载型反射裂缝的扩展。

In this paper, based on piezoelectric ceramic, composite and experimental mechanics theories, a kind of 1-3 orthogonal anisotropic PCM sensor is developed, and the sensing principle is analyzed to describe sensor behaviors. In order to determine strain and stress on isotropic or orthogonal anisotropic component surface, the relationships between strain and stress are established. The experimental research on 1-3 OAPCM sensor is carried out in uniaxial and biaxial stress states.

本文在压电材料基本理论、复合材料设计方法和实验力学的基础上，构造了一种1-3型正交异性压电复合材料传感元件，探讨了它的传感原理，推导了该种元件的传感方程和用于各向同性材料／正交各向异性材料构件表面测量的应力－应变关系，并在单向和双向应力状态下，进行了实验研究。

Classical mechanics, but Galileo, the creator of "the embryo form of law of inertia",with the incline experiment only attested to the falsity of Aristotle's proposition that "the force is the indispensable factor to maintain object movement", and not proposed what is the indispensable factor to maintain object movement.

牛顿第一定律被认为是经典力学的最基本定律之一，但"惯性定律雏型"的原创者伽利略用斜面实验只证伪亚里士多德的"力是维持物体运动不可缺少的因素"这一命题，并没有提出什么才是维持物体运动不可缺少的因素。

On basis of statistical mechanics,partition matrix element in traditional Kmeans clustering is changed and a lagrange multiplier controlling the clusters number is introduced.

在统计力学的基础上，对传统K均值聚类划分矩阵里的元素做了形式上的改变，并引入一个调控实际聚类数目的因子。

As one of the waysto study molecular reaction dynamics, dynamical Lie Algebraicmethod is introduced with establishment of matrix mechanics, and appliedto many research fields with the development of quantum mechanics ofelementary particles.

作为分子反应动力学的研究方法之一，动力学李代数方法随着矩阵力学的建立而引入，并随着基本粒子量子力学的发展被广泛应用到许多研究领域，取得了不错的效果。

Preiss angle (P .0l ), for the stick pestle can complement the strength for correcting the broadenth of the cross radius of the calcaneus, and the plaster splints are strong enough to fix the ankle firmly at the metatarsus posture.

第二部分为生物力学的实验研究，采用电测法与三维光弹性实验，研究跟骨在中立位及不同角度的跖屈位时应力分布的规律，分析跟骨在不同体位时应力和位移情况，探讨跟骨骨折的发病规律及合理的治疗方法。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。