• Ship propeller noise can be predicted by non-dimensional analysis of ship model propeller noise.

    通过无量纲分析船模螺旋桨噪声可以预报实船螺旋桨噪声。

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  • On the basis of the experimental data, derived was the "non-dimensional volume-flow rate formula of a falling-back liquid curtain".

    根据实验数据推导出回落液幕无量纲体积流公式”。

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  • The change of port layout Angle has little effect on the flow coefficient while playing an important role in the non-dimensional swirl.

    气道布置角度变化流量系数影响不大无因次涡流有很大影响

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  • It is demonstrated that the errors of the unified valve model are dependent on the damping coefficient alone using a non-dimensional approach.

    采用非量纲分析法,验证统一模型误差依赖阻尼系数

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  • The first order and second order incidence degree formulae can satisfy the requirement of specification, and possess isotonicity after non-dimensional disposal.

    其中阶差分关联度满足规范性要求具有量纲保序性。

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  • The heat transfer performance of plate fin and staggered heat sink is comprehensively analyzed by the use of quality factor "F" which is a non-dimensional variable.

    本文引用无量纲品质因数F,分别平板叉排散热器换热性能进行综合分析。

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  • The non-dimensional pump head coefficient tends to become larger than the quasi-steady value at the very beginning of the start, which indicates obvious transient effect.

    启动初始阶段,无量纲扬程呈现很大,继而迅速减小低于稳态假设值,表现出明显效应

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  • The vibration characters of the labyrinth gas seal device are analyzed with non-dimensional parameters in ANSYS and the non-dimensional frequencies and modes are obtained.

    对各参数进行无量纲处理,借助ANSYS软件分析齿封严组件振动特性,获得结构无量纲频率振型;

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  • At first, control law of the autopilot equipment was given, then the non-dimensional dynamic equations of the single rotor helicopter with autopilot equipment were derived.

    文中首先给出自动驾驶仪调节规律继而列出装备自动驾驶仪的旋翼带尾桨式直升机无量纲运动方程

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  • The paper brings forward and analyzes the non-dimensional formulas of setover eccentric CAM from the aspects of the travel, displacement, speed and velocity of the moving parts.

    提出了偏置偏心圆凸轮机构从动件行程位移速度、加速度的无量纲表达式,对其进行分析

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  • High speed digite vedio and image processing were used to analyze the effects of the non-dimensional velocity and the flag aspect on its kinematics, flapping frequency and amplitude.

    利用高速摄影图像处理技术分析来流速度和展长比对旗帜运动学特征频率和振幅)影响规律;

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  • A non-dimensional expression, which shows the general variation of the backflow distance of smoke and hot gases during a roadway or tunnel fire, was derived through dimensional analysis.

    应用因次分析法推导出表征(隧)道火灾退距离变化规律通用无因表达式表达式包含影响滚退距离的火源释放速率、通风风速、巷道倾角形状等因素。

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  • Artificial immune system analyses dimensionless indicators of time domain for concurrent failures, has drew a widespread law based on non-dimensional index for concurrent fault diagnosis.

    人工免疫系统通过多重并发故障时域量纲指标进行分析研究,得到一条基于量纲指标并发故障诊断普遍适用规律

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  • This method utilizes some of non-dimensional parameters and combined parameters, in order to interrelate the bearing load with parameters of working process and structure of a diesel engine.

    方法是利用了一些无因参数综合参数,使轴承负荷柴油机工作过程结构某些参数联系起来。

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  • It was a less peacocky, non-three-dimensional design that stood out.

    一种不那么浮夸、不那么立体的设计

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  • This advanced non-destructive technology generates high-resolution, three-dimensional images of buried objects and natural interface layers.

    这种先进非破坏性技术产生埋藏物体自然埋藏环境的高清晰三维立体图像

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  • One dimensional shear strain rate gradient formation of the second order is proposed based on the non-local continuum model.

    根据局部连续介质模型,提出剪切应变梯度格式

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  • It is intended to summarize non dimensional criteria correlation applicable to boiling heat transfer on porous layer surface on the basis of a series of experiments.

    整理并分析数据基础提出了多孔管内流动结构及无因准则式。

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  • This Paper present a two-dimensional non-linear dynamic cutting model.

    建立了金属切削过程二维振数学模型;

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  • In order to measure the shape of three-dimensional objects, a non-contact system based on binary-code light projection method was developed.

    建立一个基于二进制编码结构三维形貌测量系统,推导了测量系统的物象关系式,并对测量系统进行了标定。

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  • Measurement with CCD is a very effective non-contacted method for the dimensional measure, which is now widely applied to the precision measure of the part dimension.

    利用CCD进行尺寸测量一种非常有效接触检测方法这种方法被广泛应用于零件尺寸精密测量

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  • The mode properties of symmetric and non-symmetric one-dimensional photonic crystals with a sandwich layer defect were investigated by using the optical transmission matrix method.

    利用光学传输矩阵方法研究对称对称一维缺陷光子晶体缺陷模式特性

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  • A hail cloud model that is two dimensional elastic non hydrostatic, USES a terrain following coordinate system and includes double parameters for ice phase microphysics, has been developed.

    建立一个适用于复杂地形冰雹模式。模式维、弹性静力采用地形跟随坐标包含参数物理过程参数化。

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  • The three dimensional non linear finite element analysis of the transient temperature field during intermediate frequency quenching of diesel crankshaft was simulated by using of ANSYS.

    利用ANSYS有限元分析软件采用非线性有限元方法柴油机曲轴中频淬火瞬态温度进行模拟计算;

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  • Objective To observe the three dimensional micro-architecture of osteoporosis and non-osteoporosis cancellous bone and its effect on bone strength.

    目的观察骨质疏松非骨质疏松状态的松质微观结构骨强度的影响

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  • Two dimensional non equilibrium sorption pseudo steady state model of coalbed methane for vertical well is derived in combination of an American model with the filed situation.

    借鉴美国现有模型结合我国现场实际情况,建立了煤层气垂直平衡稳态井底渗流数学模型。

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  • An experimental Study of a two dimensional inlet model in non-uniform supersonic flow are presented.

    介绍进气道模型非均匀超音来中的初步研究结果

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  • With the non staggered grids, a three dimensional quasi state laser remelting problem, considering heat transfer and fluid flow, is numerically simulated.

    稳态激光问题进行数值模拟,模型考虑了熔池内金属液体流动

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  • The effect of sectional area of surge tank on stability of turbine regulation system has been analyzed by using the mathematic model of the non dimensional parameters of the whole system.

    运用调压水轮机调节系统数学模型引入无量纲参数详细分析了调压室断面积对调节系统稳定影响

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  • The effect of sectional area of surge tank on stability of turbine regulation system has been analyzed by using the mathematic model of the non dimensional parameters of the whole system.

    运用调压水轮机调节系统数学模型引入无量纲参数详细分析了调压室断面积对调节系统稳定影响

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