动力学的

Based on the food chain relationship between nutrition, autotrophy and detritus biomass, considering the complementarity of the nutrition which is caused by the animalcule decomposition of the propagation reliquiae, as well as its losing caused by physical therapies, we set up a model of zoology dynamics about the reciprocity of nutrition-autotrophy-detritus biomass, and analyze the dynamical stability of the model solution by using modern nonlinear theory.

基于营养盐、赤潮藻类、碎屑的生物量之间的食物链关系，考虑到由于海洋内微生物分解动植物遗体对营养盐的补充以及物理因素导致的流失，建立了营养盐－赤潮藻类－碎屑的生物量相互作用的耦合生态动力学模型。运用现代非线性动力学理论，对模型解的动力学稳定性进行了分析。

The results point out that the values of kinetic parameters are altered with the addition of Ti and C, which change the crystallization type from difficult nucleation and easy growth pattern to easy nucleation and difficult growth pattern, and this difficult nucleation and easy growth pattern may be the main reason why fine and even microstructure is gained in Ti and C doped alloys.The influences of Nd content, B content, partial substitution of Nd by Pr on the microstructure and magnetic properties have also been researched.

文章从动力学理论的观点揭示了合金显微结构与合金晶化动力学特性之间的关系，指出Ti和C添加改变了Nd9.4Fe79.6B11合金晶相析出时的动力学参量值，使合金晶化时晶相的析出方式由难形核易长大型加热管转变为易形核难长大型，这种易形核而难长大的晶化动力学特征，是Ti和C添加合金获得细小均匀的纳米晶结构的根本原因。

In order to solve the important and basic problem of the petrogenesis of "Tiantangzhai migmatitic granite" in the core of Dabie orogenic belt, the detailed 1∶50000 regional geological surveying and the big scale dissection of important region (metamorphic rocks, granites and structure), were operated in about 900km〓 area near Tiantangzhai peak. On the bases of the petrology, mineral chemistry, geochemistry of rare earth element and microelement, isotope geochemistry and chronology, physicochemistry, magmatic dynamics, geodynamics, diagenetic simulation, and regional geophysical data, the theory of cooling age and historical geochemistry and the viewpoint of tectonic evolution are applied to study the petrogenesis of Yanshan epoch granites of this region. On the bases of above studies, the process of tectonomagmatic dynamics after indo-Chinese epoch in Dabie orogenic belt is discussed. The important conclusions are gotten

本文针对大别造山带核部&天堂寨混合花岗岩&成因这一重大基础地质问题，在天堂寨一带近900km〓的面积上进行了详细的1∶5万区域地质调查和大比例尺重点区解剖，通过对区内燕山期花岗岩进行岩石学、矿物化学、稀土微量元素地球化学、同位素地球化学和年代学、物理化学、岩浆动力学、地球动力学和成岩计算机模拟等研究的基础上，结合区域地球物理学资料，应用冷却年龄、历史地球化学理论和构造演化观，阐明区内燕山期花岗岩成因，并以此为基础进一步讨论了大别造山带自印支期以来的构造—岩浆动力学过程，取得了如下的重要认识

The conclusion is that using well rigid dynamics and spring dynamic characteristic to study large structure dynamics problem is feasible and resultful under the condition of no well-rounded appropriate elastic dynamics theory.

得出的结论是：在柔体动力学理论尚未成熟完善的情况下，运用成熟的刚体动力学理论、弹簧力学特性等理论研究大型结构的动力学问题是可行而有效的方法。

This paper reviews the kinetic mechanism of acetylcholinesterase, illustrates the principle and application of the kinetic parameters such as Michealis-Menten affinity constant Km, maximum reaction velocity Vmax, turnover number Kcat, bimolecular rate constant Ki, affinity constant of the inhibitor for the a ctive site Ka, phosphorylation or carbamylation rate constant K2, and discusses the potential practical application benefiting from the study of the kinetic analysis.

综合评述了AChE的动力学机制的发展状况，着重介绍了米氏常数Km、最大反应速率Vmax、转换率Kcat、双分子速率常数Ki、抑制剂化合物对AChE活性部位的亲和力常数Ka、磷酸化或氨基甲酸化速率常数K2，这些动力学参数的原理及其应用状况，探寻了动力学机制将带来的实际应用。

By compared maximum coupler force and maximum acceleration of car body with common slack coupler at condition of train starting,braking,emergency braking and releasing,we verified that small slack coupler is better than common slack coupler in dynamics performance.This paper also calculated the train dynamics performance parameter with different buffer and braking system,running in different line and using different operating method.

本文利用列车纵向动力学模拟程序，计算了齐齐哈尔车辆公司研制的13号小间隙防脱车钩的纵向动力学性能，通过比较各个车钩间隙下列车最大纵向车钩力和列车最大加速度的数值，得出小间隙车钩在列车启动工况、常用制动工况、紧急制动工况、缓解工况的纵向动力学性能都较原有车钩性能优异的结论。

The modeling methods about vestibule diaphragm, coupler and draft gear are introduced, too. Among the six Models, Model A and Model B can be used to study the vehicle stability and curve negotiation under different track situations. Model C and Model D can be used to carry out the stability, dynamic curving behavior and ride comfort of the high-speed passenger car. Model E and Model F are three-dimension train dynamic models which consist of three cars (head car, intermediate car and tail car).

所建立的6种动力学模型中，模型A和模型B可用于研究不同轨道条件下车辆的运动稳定性及动态曲线通过性能；模型C和模型D可以用来研究车辆的运动稳定性、动态曲线通过性能及运行平稳性；模型E和模型F是列车系统动力学分析模型，都是由三节车组成的列车单元，三车列车模型作为一个最小的列车单元，包含了头车、中间车和尾车，已能够反映整个列车的动力学特性。

In this dissertation, according to the theory of Mechanical Dynamics and Multi-body Dynamics, a simulation model of NJ2046 light off-road vehicle including suspension system, steering system and tires is built with the software CarSim and so the vehicle steering characteristics are analyzed with the step angle input of steering wheel.

摘要本文根据机械系统动力学、多体动力学理论，运用动力学仿真软件CarSim建立了包括悬架系统、转向系统和轮胎等模型的NJ2046越野汽车整车仿真模型，在此基础上分析了NJ2046越野汽车在方向盘转角阶跃输入时的转向特性，通过对不同车速、不同载荷条件下的仿真计算，得出了在这些条件下该车具有的不同表现特征，揭示了转向特性与车速、载荷和轮胎的内在关系。

With CAE analysis, multi-body dynamic model of the loader is established with multi-body dynamics software of finite element NAS-TRAN and MSC Adams/View during design period. Various curve functions are added in dynamic analysis model to simulate the terrain excitation on tires and conduct dynamic calculation and analysis. Stress change vs. time of each part is easily obtained when a loader travels on rough terrain. Compared with test results of the physical prototype, the calculation results are relatively consistent.

利用CAE分析手段，在产品的设计阶段，利用有限元NASTRAN和MSC Adams/View多体动力学软件建立装载机的多体动力学模型，通过在动力学分析模型上加入各种曲线函数来模拟路面对轮胎的激励，进行动力计算分析，很容易获得装载机在通过不平路面时各部件应力随时间的变化值，并将其计算结果与物理样机的测试结果进行对比，两者的结果比较一致。

The makers say that population pharmacokinetic analysis of schizophrenic patients who were enrolled in clinical trials showed that no significant pharmacokinetic interactions occurred with benztropine, lorazepam or propranolol. 4 The makers also point out that since ziprasidone is not metabolised by the cytochrome P450 isoenzyme CYP1A2, smoking should not affect its pharmacokinetics.

制造者们指出，对加入临床试验的精神分裂症患者的总体药代动力学分析表明，无显著的药代动力学相互作用发生在苯扎托品，劳拉西泮或普萘洛尔之间。4制造者还指出，由于齐拉西酮不是由细胞色素P45O同工酶CYP1A2代谢的，所以吸烟应该影响它的药代动力学。

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。