层流

The flow in the vicinity of riblets is investigated numerically by a vorticity formulation, and two drag reducing features of riblets are obtained and analyzed.

2利用涡理论方法对近壁面流场进行数值计算，得到层流和湍流状态下的两组降阻曲线，并加以分析。

A deep theoretical study of the structure and chemical kinetics mechanism of premixed laminar flame is performed in this dissertation, a corresponding numerical model is developed.

本文对预混层流火焰的结构和化学反应动力学做了深入的理论研究，建立了相关的计算模型。

ABSTRACT A deep theoretical study of the structure and chemical kinetics mechanism of premixed laminar flame is performed in this dissertat...

本文对预混层流火焰的结构和化学反应动力学做了深入的理论研究，建立了相关的计算模型。

ABSTRACT A deep theoretical study of the structure and chemical kinetics mechanism of premixed laminar flame is performed in this dissertation, a corresponding numerical model is developed.

本文对预混层流火焰的结构和化学反应动力学做了深入的理论研究，建立了相关的计算模型。

Since the ratio of the fiber material and the attacking medium in the cell was 1:400, a quasi-continuous experiment could be performed using laminar flow conditions in the cell with a flow rate of 40 ml/h.

自从这个比例的纤维材料和进攻中，细胞是1：400实验可以用激细胞内层流条件与流量40毫升/小时。

The model is based on the Nusselts solutions by considering the factors of vapor-liquid interfacial shear stress, the super-cold and the density of the vapor which have important influence on the heat transfer performance of the thermosyphon.

模型建立在Nusselt纯净饱和蒸汽层流膜状凝结理论的基础上，考虑了对热虹吸管的传热性能有重要影响的气液界面剪切应力、过冷度和蒸汽密度这几个因素。

Furthermore, the structure of drift trammel net, set longline of baited hooks and jig and their fishing methods were described.(2)The fishing gears in Hejiang section were divided into drift trammel net, set longline and jig according to the fishery status in Hejiang section."Number of fishing boat day" was selected as the unit of fishing effort.

2根据合江江段的渔业现状，将该江段的渔具分为三层流刺网、饵钓、滚钩和其它偶见渔具四类，以&船·天&作为捕捞努力量的单位，用单位捕捞努力量渔获量乘以年捕捞努力量分别得到这四类渔具的年渔获量，并将这四类渔具的年渔获量相加估算出合江江段1999-2002年的渔获量分别为104563.464kg、65564.231kg、123684.966kg和107285.272kg。

The influences of curvature, torsion and inclined angle of cross section of the pipe on the flow characteristics are analysed and studied in the fully developed steady laminar flow of helical square pipe.

借以分析研究了螺旋状矩形管在定常、充分发展的层流流动中，管的曲率、挠率和横截面倾斜角对流动特性的种种影响。

As a result, high demands have being placed on the CTC within narrow tolerances for laminar strip cooling line.

因而，对层流冷却CTC的控制精度提出越来越高的要求。

To deal with the deficiency of the self-learn method of heat transfer coefficient during plate laminar cooling process,a BP neural network was put forward to improve the self adapting system.

针对中厚板在轧后层流冷却过程中采用传统自学习方法修正计算对流换热系数存在的不足，提出利用BP神经网络对自适应系统进行改进。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。