给出引力的作用规律和关于物质分布的假设后，下一步是得出宇宙的动力学规律——空间和质量如何与时间相互作用。
Given a law of gravity and an assumption about how the matter is distributed, the next step is to work out the dynamics of the universe - how space and the matter in it evolves with time.
目的：用化学动力学方法预测复方替硝唑凝胶的有效期，为评价其质量提供依据。
Objective: To predict the term of validity for Compound tinidazole gelatin and provide the evidences for its quality control by chemistry kinetics method.
结论肝硬化患者肝组织质量与肝血流动力学、肝纤维化指标及病理分期有关。
Conclusion liver mass in patients with liver cirrhosis is related to hepatic hemodynamics, indices for liver fibrosis and liver pathology.
列车纵向动力学性能是影响列车运行质量和运行安全的重要因素。
The performance of train longitudinal dynamics has important effect on quality and safety of train running.
运用变质量系统的基本原理，建立轴流脱粒过程中谷物运动的非线性动力学模型。
Based on the principle of a varied mass system, the non linear mathematical model of the crop mechanics for an axial threshing process was set up.
在结构动力学试验中，测量通道的校准质量直接影响测量数据的精度。
In dynamic structure testing, the accuracy of measurement data relies significantly on the calibration quality of measurement channels.
根据建立的机组轴系动力学模型，计算得到了测试位置处振动量所对应转轮的质量不平衡量值的大小。
Based on calculation of the shafting dynamics model of unit, the value of unbalance mass of runner correspond to the value of vibration quantity in the testing site was obtained.
为建立机车各部件的垂向动力学微分方程，计算各悬挂力的输出响应，建立了系统质量、阻尼和刚度的增广矩阵。
Augmented mass, damping, stiffness matrix of system was set up to derive vertical dynamic differential equations for locomotive components and obtain output responses of suspensions.
中浓纸浆在升流式反应器中的流体动力学性能影响到反应器的反应质量和反应器前后设备的设计及选型。
The flow dynamics property of medium consistency pulp in up-flow re actor affects the reaction quality and design and selection of the devices prior to and after the reactor.
用热场动力学方法计算了核物质中核子有效质量随密度的变化关系。
By means of the thermo field dynamics, the change of nucleon effective mass in nuclear matter with density is discussed.
首先对弹性五杆机构进行有限元分析，通过机构梁单元节点位移间的关系，建立起弹性五杆机构单元质量矩阵与刚度矩阵以及弹性动力学模型。
Firstly, the links of the plane five-bar linkage mechanism is simulated by beam element, the mass matrix, stiffness matrix of linkage mechanism and elastic dynamic model of system are established.
本文所采用的柔性手臂的动力学建模方法，可以用来为任何一种质量集中的柔性手臂建模。
The mechanism by which we construct dynamic equation for the flexible arm can be used to model any kind of concentrated mass flexible arms.
其次在理论方面，采用简单的单自由度系统作为模型，用集中质量和刚度，采用解析法对系统进行动力学分析。
At the theories aspect, the adoption simple single freedom degree the system as a model, using concentrated quality and just degree, analysis the system dynamics problem as analyze method.
随着计算流体动力学CFD在工程设计中的广泛应用，工程设计计算的精确度日益提高，设计质量也越来越好。
As Calculating Fluid Dynamics (CFD) has been using in engineering design widely, engineering design quality becomes higher with its more precise calculation.
基于质量守恒原理来计算高植被下垫面的动力学粗糙度、零平面位移是目前较为精确和实用的方法。
The method based on the mass conservation principle is a practical one to calculate the aerodynamic roughness lengthandzero plane displacement over tall vegetations.
重点考虑后坐部分变质量、多体动力学方程与内弹道方程的耦合等因素。
Some important factors are considered, which include variable mass of recoiling parts and coupling between multi body dynamic equations and interior ballistic equations.
玉米粉蒸煮醪的流变特性不仅影响发酵过程的质量、动量和能量的传递，还影响发酵动力学过程。
The rheological characteristics of corn powder cooking liquor had effects on mass, momentum and heat transfer during the process of fermentation, and on the process of fermentation kinetics.
其中某些方程可用于研究变质量非完整系的相对运动动力学。
Some of the equations can be used to investigate the dynamics of relative motion of non-holonomic system with variable mass.
以170f柴油机为例，建立单质量、二质量和四质量三种配气机构动力学模型，并相应进行气门动态特性试验研究。
A 170f diesel valve train was taken as example, one-mass, two-mass and four-mass models were built and the valve dynamic characteristics experiment was also carried out accordingly.
进一步针对轮式爬壁机器人，建立了非完整约束条件下的变质量系统分析动力学模型。
Then, the variable mass system dynamic model with nonholonomic constraints are developed for wheeled WCRs.
建立传感器的动力学方程并求得解析解，得到输出电压和传感器敏感质量摆角的关系。
The dynamics equation of sensor is constituted and the equation's solution is got. The relationship of output voltage and pendular angle of the sensing mass is gained.
通过比较，可以看出，海水质量变化可以部分解释1998年以来地球动力学扁率的异常变化。
The result suggests that the oceanic mass redistribution can partly explain the abnormal variation of the Earth's oblateness from 1998.
这些动力学模型包括经验模型，基于热传递类推的模型以及基于微分质量平衡的模型。
The models included empirical model, models based on heat transfer analogy and models based on differential mass balance.
利用由雪耙模型导出的Z箍缩聚爆时间表达式，并结合“强光一号”Z箍缩实验结果，修正了由一维等熵气体动力学得到的喷嘴气流线质量表达式。
Combining the data of gas puff Z pinch experiments on Qiangguang I generator, the expression of the line mass is obtained using the implosion time expression which is deduced from snow-plow model.
本文提出了一种基于“连杆多质量代替系统”的连杆动力学的数值计算方法。
In this paper a numerical calculating method based on the principle of "multiple-masses replace system" for dynamics of connecting rod of internal combustion engine is proposed.
在分析了外设动力式采煤机锚链牵引特性的基础上，将其动力学模型简化为具有质量的弹簧—质量系统。
On the basis of analyzing traction property of anchor chain of the shearer operated by outside power, the kinetic model is simplified as spring_mass system with mass.
双重星系或天体系统，用动力学方法测定其质量时，观测到的视向速度和距离间距，都是各自值的投影值，可用统计方法，求出一个关于它们的平均投影因子。
Both of the observed radial velocity and separation being projective values, in order to determine the mass of binary galaxies the average projection factor may be derived by a statistical method.
本文主要通过对动平衡测试系统的动力学分析，推导车轮综合不平衡与平衡校正质量的大小和位置。
From which the correcting mass quantity and location related to the adjustment of the synthetic unbalance of motorcar wheels were derived.
本文主要通过对动平衡测试系统的动力学分析，推导车轮综合不平衡与平衡校正质量的大小和位置。
From which the correcting mass quantity and location related to the adjustment of the synthetic unbalance of motorcar wheels were derived.
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