混合长

近地层混合长模式的理论研究

A theoretical study on the surface-layer mixing length model

一种修正的局部混合长理论

A modified local mixing length theory

基于DSP的模数混合长时间积分器

A hybrid digital-analog long-time integrator based on digital signal processing

混合长参数对早期AGB星结构与演化的影响

Influence of Mixing Parameters on Structure and Evolution of Early AGB Star

采用三维、定常、不可压缩、时均NS方程和混合长湍流模型，建立了弯曲圆管中矿浆流动的控制方程和模型。

Turbulent flow field of the mineral slurry in a 180 ° curved pipe is analyzed using the steady , three dimensional , incompressible Navier Stokes equations . The mixing length turbulent model is adopted .

研究了动压机内的湍流问题，并得出了一种较为理想的描述动压机湍流流场的N-S方程和普朗特混合长模型；

A problem on turbulent flow is studied in the dynamic filter pressing device , the N-S equation and the mixed-model modal are revealed , which can describe the turbulent flow field perfectly .

利用实验室自主开发的在线混合长玻璃纤维增强热塑性树脂复合材料生产设备，制备了长玻璃纤维增强PET（LFT-PET）；

Long glass fiber reinforced PET ( LFT-PET ) engineering plastics was prepared by a self-developed on-line plastics processing equipment , and the mechanical properties of LFT-PET were compared with those of the short glass fiber reinforced PET ( SFT-PET ) prepared with double screw extruder .

作者对此提出了质疑，并提出了一种修正的混合长公式。

The authors review the original mixing length theory and give a set of modified mixing length formula .

究其原因是因为人们对贯穿对流的理解依然停留在唯象的混合长理论图象上。

The cause is that our understanding of overshooting still rests on the picture of phenomenological mixing length throry .

讨论了压强梯度和流线曲率对壁面律、尾流律以及湍流应力和混合长分布的影响。

The effects of pressure gradient and streamline curvature on the distributions of mean velocity and turbulent values are discussed in this paper .

总的来说，应用考虑涡粘性各向异性的k-ε模型，较之应用混合长模型，所得计算结果有所改善，但还不是根本性的改善。

Generally speaking , the results of the k - ε model with nonisotropic eddy viscosity are better than those of the mixing-length model .

考虑到湍动对流建立的动力学过程，与似稳流场的混合长理论相比，湍动对流脉动分量的振幅减小了，并且出现一个相位滞后。

Taking account of the dynamic process of turbulent convection , turbulent vicious forces and pulsational amplitudes of heat convection and turbulent pressure decrease , and a phase-lag arises .

这一理论考虑了恒星对流区内的非局部效应，它得到了一个与原来用混合长理论或局部理论给出的结果有所区别的对流区，扩散效应很明显。

The theory considers the non local effects in the interior of convection zone . It gives a convection zone with evident diffusion effects , which differs from the original one given by MLT or local convection theory .

本文所得结果与用混合长模型所得结果以及量测结果的比较表明：对于边界层的不同特征量，湍流模型和涡粘性各向异性对计算结果的影响程度是不同的。

The computa-tional results have been compared with those of a mixing-length model and with experimental data as well . It is shown that on different features of the boundary layer the influences of turbulence model selection and of the anisotropy of eddy viscosity are different .

并根据湍流动能方程分析了大气边界层湍流产生和发展的能量机制，以此为判据推导出了湍流运动的尺度范围和物理含意较为清楚的混合长表达式。

According to the turbulent kinetic energy equation , mechanism about production and development of atmospheric turbulence of boundary layer is analysed . From this , the extent of turbulent motion scale , and turbulent mixing length expression which has a clear physical meaning are derived .

结论：1、通过球磨混合与长时烧结的方法可以成功制备国产MTA，表现出了良好的水硬性和凝固均一性。

The domestic MTA was prepared successfully using ball-milling mixing and sintering method , and it showed a good hydraulic and homogeneity of coagulation . 2 .

优点是气液接触、混合时间长，混合充分、均匀，搅拌效果好。

The utility model has the advantages of gas-liquid contact , long mixing time , sufficient and even mixing , and good mixing effect .

由于钢铁企业的生产是化学加工和物理加工相混合的长流程生产模式，其内部的生产物流管理具有很强的行业特点。

The production of iron and steel enterprises is a long term manufacture mode mixed with chemical process and physical process . Therefore , compared with other industries , it has its own character as to its inner production logistics management .

比较胰岛素非依赖性糖尿病患者中/长链甘油三酯（MCT/LCT）混合乳剂和长链甘油三酯（LCT）乳剂的清除率。

I In noninsulin-dependent diabetics with slightly elevated triglyceride levels , clearance rates of infused medium chain triglyceride / long chain triglyceride ( MCT / LCT ) and long chain triglyceride ( LCT ) emulsions were compared .

螺旋升液混合澄清器长管升膜蒸发器用于荻浆黑液的蒸发

Evaporation of Amur Silver Grass Black Liquor in Long-Tube Rising-Film Evaporators

Ⅲ-Ⅴ族混合晶体的长波长光学声子

Long-wavelength optical phonons of ⅲ - ⅴ mixed crystals

基于喇曼/掺铒光纤混合放大的长距离布喇格光栅传感器系统

Long-Distance Fiber Bragg Grating Sensor System Based on Hybrid Raman / Erbium-Doped Fiber Amplification

特殊的转子结构，保证调质器具有强效混合作用和长时间调质作用；

Special rotor structure features the conditioner with super mixing and long time conditioning functions ;

一种混合定变长虚拟块游程编码的测试数据压缩方案

A Test Data Compression Scheme Based on Mixed Fixed and Variable Run-length Coding in Virtual Block

文中还给出了由幅谱重建混合相位有限长信号的新结果。

In addition , a new result for reconstruction of mixture phase signal from FT spectral magnitude is obtained .

结果：内毒素与氧氟沙星的混合时间越长，氧氟沙星注射液细菌内毒素含量测定的回收率越低。

Results : The longer the time of mixing bacterial endotoxin with oflxacin , the lower the recovery of content of bacterial endotoxin in oflxacin injection .

文章提出了一种混合定变长码的测试数据压缩方案，该方案可以有效压缩芯片测试数据量。

A test data compression scheme based on fixed and variable length coding ( FAVLC ) is presented , by using which the test data can be compressed efficiently .

混合时间太长或太短、混合搅拌速度太大或太小对制浆黑液的分离过程均不利。

It is not good for the separation of pulping black liquor that mixing time is too long or too short and rotate speed is too high or too low during the mixing of emulsion liquid membrane and pulping black liquor .

结论Er，CrYSGG激光加酸蚀处理后，开放的牙本质小管周围可见未完全脱矿的管周牙本质，树脂-牙本质界面可见混合层和粗长的圆柱形树脂突。

Conclusion The dentin prepared by Er , Cr : YSGG laser plus acid showed open dentinal tubular encircled by partially demineralized peritubular dentin . The dentin-resin interface had the hybrid layer and long resin tags with a small taper .

这样一来，已混合的细胞就会长出新的细胞壁。

The combined cell then generates a new cell wall .