力学的

Mechanics has two main branches,Lagrangian mechanics and Hamiltonianmechanics:Lagrangian mechanics is based on variational principles and Hamil-tonian mechanics is based on symplectic structure of cotangent space.

力学有两大主要分支：基于变分原理的Lagrangian力学和基于余切空间的辛结构的Hamiltonian力学。

Based on the dual-chip system with STC89C52 and Atmel89C4051,through testing the free decay curve of material at different temperatures and different vibrations,the dynamic mechanical properties after the data processing are obtained.

测定材料在一定温度范围内动态力学性能的变化就是所谓的动态力学热分析，动态力学热分析是研究材料粘弹性的重要手段。

Dynamic mechanical analysis,mechanical properties and the thermal dilatability measurements were used to study the effects of SF content on dynamic mechanical properties,impact strength,bending strength,bending modulus,specific strength,specific modulus,wear resistance and thermal dilatability.

采用动态力学、力学性能、热膨胀性能等测定研究了剑麻纤维的加入量对复合材料的动态力学性能、冲击强度、弯曲强度、弯曲模量、比强度、比模量、耐磨性能、热膨胀性能的影响，用扫描电镜观察了材料冲击断面和磨损面的形态。

The mechanical model of force elongation behavior of spider silk was designed on the base of skin core structure after understanding the structural mechanisms of mechanical properties and morphology and shape of the Araneus Ventricosus spider dragline silk.

根据大腹园蛛牵引丝力学性能的结构机理及其聚集态结构和形态结构特征，初步建立了以皮芯层结构为基础的蜘蛛丝拉伸力学模型，分析了皮芯层比例及结构对蜘蛛丝纤维力学性能的影响。

The superior mechanical performance of eutectoid steel is shown by in its pearlyte slice structure.

通过力学性能测试以及SEM观察，对拉拔大变形共析钢在不同应变量下的力学性能及微观组织演化进行分析，结果表明：共析钢优越的力学性能缘于其特有的珠光体层片结构。

Observing mechanical oscillation effects on biomechanical behaviors of preadipocytes using biomechanical stimuli would provide more direct experimental evidence for treatment of simple obesity using manipulation and massage therapy.

摘要背景：幼年动物脂肪组织中前脂肪细胞的生物学行为与肥胖的发病和防治关系密切，而采用细胞生物力学实验方法直接观测力学振荡对前脂肪细胞生物力学行为变化可为推拿按摩治疗单纯性肥胖原理研究提供更直接的实验证据。

Combining with the mechanics theory of yield and fracture of metal in classical mechanics and fracture mechanics,crack formation criteria of ductile metal in stress triaxiality space is deduced by studying fracture stress field in root of notched bar made by ductile metal.

结合经典力学和断裂力学对金属屈服和断裂解释的力学原理，通过对延性金属刻痕杆刻痕根部断裂应力场分析，推导了延性金属在应力三轴空间的微观裂纹形成准则。

Firstly, factors influencing on the mechanical behavior and mechanical properties simulated and predicted were separately taken as input and output quantities. Secondly, Four-layer neural networks model was established to simulate and predict the mechanical properties and constitutive relationship of syntactic foam plastics by means of back-propagation algorithm.

首先，选取影响材料力学行为的因素和所需模拟、预测的力学性能作为输入、输出量；然后，利用反向传播算法建立了四层神经网络模型，对复合泡沫塑料的力学性能和本构关系进行了模拟和预测。

The effect of the steel bar type and the heating temperature on the mechanics performance of steel bar was experimentally investigated.

进行了圆钢、螺纹钢、冷拔和冷轧扭4种钢筋高温下力学性能的试验研究，同时进行了螺纹钢筋高温冷却后力学性能的试验研究，并与室温下钢筋力学性能进行了对比分析。

Cooperating with enterprise, this project has developed surface adhering sand glass fiber bar and carbon fiber bar, conducting experimental research on mechanical property of FRP bar, measuring main mechanical property indexes of tensile strength, elastic modulus and ratio of elongation, etc.

摘要］对表面粘砂玻璃纤维筋、碳纤维筋试验方法、基本力学性能进行试验研究，测试FRP筋的抗拉强度、弹性模量及延伸率等主要力学性能指标；对FRP筋试验过程、试验方法、破坏形态进行详细介绍，通过对试验结果进行处理，提出了用于构件设计的力学性能指标，供工程技术人员参考。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。