比较函数

Variating curves of enthalpy, flow rate, steam quality and pressure were obtained theoretically, and compared to the test data with good agreement. At supercritical pressure the heated surface may be divided into two regions, hot water and steam phase, the dynamic mathematical models could by established.

并对该传递函数进行了理论分析，得到了蒸发受热面蓄热量和工质物性对其动态特性的影响规律，用理论方法计算出了工质焓、流量、干度和压力等在输入扰动的条件下随时间的变化曲线，并与高压试验数据进行比较表明，结果是令人满意的。

Methods CT water phantom was scanned using the regular condition of seaning first, then changed one of seaning conditions （ thick slice, exposure capacity, reconstruction of function, kV, FOV and CT- scanner） to scan the water phantom again.

通过固定扫描条件对机器自带水模进行扫描，然后在其它条件不变的情况下，改变其中1个扫描条件（层厚、曝光量、重建函数、仟伏、FOV、机器）再对水模各扫描1次，测量CT图像一定兴趣区的CT值与固定扫描条件的图像相对应ROI的CT值进行比较。

From the analysis of automobile vibration sources and the human responses to vibration, a mechanic model of man-chair-vehicle system with 13 degrees of freedom is built by vibration pattern analyzing technology. Using the random vibration theory, the calculating methods are developed for parameters, including vibration pattern, transfer function, wheel transient load, and acceleration of seat, automobile ride quality simulation software is developed.

通过分析汽车振动源和人体对振动的反应，用模态综合技术，建立了十三自由度人－椅－车系统的动力学模型，运用随机振动理论，给出了振动形态、传递函数、悬架动挠度、车轮动载荷、座椅加速度等参量的计算方法，开发了一套&汽车平顺性仿真软件&并利用已有的汽车数据，对汽车行驶时的振动特性进行了仿真，得到了重要结论：发动机与轮胎刚度、阻尼，后桥阻尼对驾驶员座椅处的振动影响不大；驾驶员座椅的垂直刚度增加很大时，对垂直方向振动响应比较大；前桥刚度、阻尼对驾驶员座椅处的振动影响较大；前轮胎刚度对前桥振动影响较大，前轮胎刚度增加，则振动加强；后桥刚度对汽车平顺性有一定影响，后桥刚度减小，则座椅处垂直加速度减小。

Vibration test of pole-shaped grain is conducted under various frequencies. The experiment results of acceleration frequency response is in agreement with theoretical data, which shows VFD model can also be used in SMR frequency domain analysis.

同时，杆状药柱在不同频率下简谐振动试验的加速度频响函数与VFD理论分析结果比较接近，说明这种模型也可以用于药柱的频域响应分析。

Fault propagate model to obtain and combine present prevailing large amount of information, neuron network,etc. method most model, Direct against fuzzy Petri network give and publish undering the jurisdiction of degrees of algorithm of function concrete their; Petri network reasoning method combine trouble tree forward reasoning reverse algorithm of reasoning mainly, The concrete instance of connection is analysed and compares; Participate in potato cake production line background that design with author finally , combine on-the-spot characteristic of equipment, Set up one fault diagnose concrete model of expert system.

故障传播模型的获取结合了当前流行的最大信息量、神经元网络等方法，并且针对模糊Petri网给出了其具体的隶属度函数的算法；Petri网推理方法主要结合故障树正向推理反向推理的算法，联系具体实例进行分析和比较；最后以笔者参与设计的薯饼生产线背景，结合现场设备的特点，建立了一个故障诊断专家系统的具体模型。

Based on the PECs, the spectroscopic constants of the states have been determined and compared with the theoretical and experimental results available to affirm the accuracy and liability of the calculations.

在所得解析势能函数的基础上，通过解核运动的薛定谔方程得到各电子态的光谱常数，并与现有的理论和实验值比较来验证计算的可靠性和准确性。

The overall average abso-lute deviations invapor pressure,liquid volume,vapor volume and heats of vaporization are 0.60%,1.84%,3.26% and 3.36% respectively.

并经过全面的分析计算比较，选择了合理的引力项和体积平移项的温度函数表达式。

Fourth, according to the Weibull distributing functions of equivalent loads, calculated the max loads by expanded sample method, acquired eight routine loads spectrum of each roads taking advantages of the Connover classification method, calculated the respective enhancement coefficient in principle of amended Miner linear accumulated fatigue damage rule, by the comparative norm of general tar-paved road, educed the mathematical model of calculating enhancement coefficient of synthesized roads.

第四，根据各路面的等效载荷的Weibull分布函数采用扩展样本法求得了各路面的极值载荷，按照Connover的分级法得到了各路面的八级程序载荷谱。以一般沥青公路为比较基准，采用修正的Miner线性累积损伤理论，根据前桥的S-N和P-S-N关系式得到了各路面的强化系数，建立了综合路面的强化系数计算的数学模型。

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。

Furthermore, we discuss a harmonic oscillator in noncommunicative space to support our results.

在此之后，我们又以谐振子为例，得到其在非对易情形下Wigner函数的表达式，并与以往的结果进行比较，证明了我们的结论是完全正确的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。