In order to save soil resources and reduce building principal part structure engineering cost finite difference method harmonic wave method and response coefficient method have been utilized to analyze the unsteady thermal characteristics of wall insulation in low energy consumption building .

为节约土地资源和降低建筑主体结构工程造价，采用有限差分法、谐波法和反应系数法对 节能建筑复合墙体的 非 稳态热工性能进行全面分析。

Flapping-wing micro air vehicle ( FMAV ) is a new research hotspot in the world . But there is no accurate computational method for the unsteady aerodynamics which is based on low Reynolds number of flapping wing .

微型扑翼飞行器是国际上的一个新的研究热点，但目前基于 低雷诺数的 非 定 常扑翼气动特性尚无精确的计算方法。

Numerical analysis of unsteady viscous flow around actively deformed flexible airfoil for micro air vehicles under low Reynolds number

低雷诺数下微型飞行器主动变形机翼 非 定 常气动特性数值分析

The research of neural network method make known that the system is unsteady in the beginning of freezing and the error is considerably large to low moisture soil .

采用神经网络方法研究表明，在冻胀初期系统难以 稳定，同时对于 低含水量的土体误差也较大。

Unsteady seepage model for low permeability reservoir with threshold pressure gradient

考虑启动压力梯度的 低渗透油藏 不 稳定渗流模型

The unsteady heat transfer caused by the uniform component concentration in flame with low O / C w_1066 ratio results in the vortex shedding with high amplitude which induces the flame pulse and generates pressure fluctuations and flame noise with high amplitude .

在 低氧碳比下，火焰由于组分浓度 不均而产生 不 稳定传热，引发较高频率的涡旋脱落过程，从而诱发火焰振荡，产生高幅值的压力波动和火焰噪声。

Analysis of unsteady temperature field of film water cooling wall of boiler with low cycle number

低 倍率锅炉膜式水冷 壁壁温分布的 暂态分析

With the grade of molybdenum concentrate unsteady the recovery is low in processing production of the concentrator .

选矿厂的铜钼选矿系统出现了透辉石类含铜钼矿石，使钼浮选钼精矿品位 不 稳定、回收率 低。

Computer programs have been developed for unsteady one dimensional temperature field analysis elastic and plastic strain analysis as well as for low cycle fatigue design . With this program in-service residual life evaluation of the drum will then be possible .

本文针对这种结构编制了可进行 非 稳态一维温度场分析和弹塑性应力应变分析及 低周疲劳设计的计算机程序，为汽包的现场寿命监视创造了条件。

Conclusion w_1692 Hearing loss caused by unsteady noise and high frequency noised is more serious than that by steady noise or noise of medium and low frequencies .

结论 非 稳态噪声、高频噪声引起的听力损伤比稳态/中、 低频噪声引起的听力损伤严重。

Unsteady flows around flapping airfoils are simulated at low Reynolds number by solving incompressible Navier-Stokes based on pseudo compressibility method .

通过求解引入拟压缩项的不可压Navier-Stokes方程，数值模拟了绕扑动翼型的 低雷诺数 非 定 常流动。

Two-dimensional ( 2D ) unsteady numerical simulation has been applied to study the effect of the variation in relative circumferential positions of rotors on the performance of a low speed compressor .

采用二维非 定 常数值模拟的方法研究了动叶相对位置的改变对 低速压气机气动性能的影响。

For development of 44 dtex / 12 f FDY the technology conditions such as the spinneret spinning speed oiling style drawing and setting were adjusted . The problems of unsteady production condition low grade product rate were solved .

在对44dtex/12fFDY长丝进行产品开发时，通过对喷丝板、纺丝速度、上油方式、拉伸定型等工艺条件进行调整，解决了44dtex/12f产品的生产 不稳定、产品等级率 低的问题。

Numerical analysis for the unsteady flow and casing treatment in a low speed centrifugal compressor

低速离心压气机 非 稳态流和机匣处理的数值分析

Investigation of unsteady aerodynamic performance on oscillating airfoil at low Reynolds number

电感耦合三点振荡器 低雷诺数振荡翼型 非 定 常气动性能研究

Low-speed and non-linear flow through porous media numerical simulation for low-permeability gas reservoir nonlinear harmonic method in unsteady numerical simulation on a low speed axial turbine

低渗透气藏低速非线性渗流数值模拟研究 低速轴流涡轮 非 定 常数值模拟的非线性谐波法

Computations of Unsteady Aerodynamic Characteristic of Rotor Airfoil at Low Mach Numbers

旋翼翼型 低Ma数 动态失速特性计算 卡门特雷夫茨翼型

In the present work experimental investigation is conducted with emphasis on the effect of unsteady casing treatments with injection on the stall margin and efficiency of a low spee .

结果表明： 非 定 常机匣处理能够在不同工作转速下对风扇稳定裕 度有显著效果，效率没有明显改变。