对流

Based on the principle of heat mass analogy,the convective heat transfer coefficient on rolling tire surface was simulatively investigated with a linearly moving rotary disc in a wind tunnel by using naphthalene sublimation technology.

根据热质比拟的基本原理，采用萘升华技术，在风洞中利用直线运动的旋转圆盘模拟研究了滚动轮胎表面的对流换热系数。

Model, then calculated the tidal consistent constant and saved as map layer as the data for tidal fast prediction. The result of comparing the model result and investigative data indicated its rationality.Later applied the model in the numerical predication of sinkable chemicals spilled beside ZhuHai region.

分析近海水域环境污染扩散数值模拟的研究应用现状基础上，根据沉降型化学品的性质及其在海上的行为特点，分别建立沉降型化学品行为数值模拟的对流扩散方程模式和粒子拉格郎日迁移模式，确定求解方式并将其软件化。

The positive centers of ζ and ζ(subscript MPV1) and the negative center of ζ(subscript MPV2) distributing on the dense isoline zone of equivalent potential temperature at the upper level slantly spread from the upper down to low troposphere a- long the dense isoline zone.

干空气侵入在这次暴雨过程中有重要作用，对流层高层西风分量下传将高纬高层高位涡干空气带到低纬暴雨区低层，促使对流层低层对流发展，从而产生强降水。

The model of heat conduction caused by friction spark can be regarded as forced convection heat conduction issue of grazing spheriform which is outside of planar stable state boundary layer,so the mathematics analytic formula is presented and a few measures for preventing friction spark.

摩擦火花传热模型可看做是二维稳态边界层外掠球体的强制对流传热问题。

The Practical and New patent is to strack automatically the movement of the sun by a small sync unit using a mirror paraboloid and focus the sunsine on the surface of vacuum heat absorbing pipe, so as to heat the water in a single vacuum heat absorbing pipe with several times of energy,so that the water temperature rises till boils with heat exchange.

家用同步跟踪太阳能开水器是利用镜面抛物面在小型同步装置作用下自动跟踪太阳运动，以7倍于阳光直射的能量将阳光聚焦到真空吸热管的表面，对单根玻璃真空吸热管中的水进行加热，通过对流热交换，使容器中水温上升直至沸腾的太阳能开水器。

Inside the mixture system, convection and stratiform clouds will act on each other.

在积层混合云系的内部，对流云和层状云区不断地发生作用。

The average rainfall rate of stratiform rain and convective rain has a considerable increase with the intensification of typhoon.

层状云降水和对流性降水的平均雨强均随台风强度加强有较大的增幅。

Results show that stratiform rain occupies more area and contributes more rainfall to the total than convective rain does at the 3 times.

结果表明：三个时次层状云降水在象素数量上及对总降水量的贡献上均比对流性降水大。

Convective, cumuli-stratiform and stratiform of clouds. They have their own precipitation processes with time and space feature on the ground respectively.

结果表明：具有不同结构特征和降雨过程的对流型、积层混合型和层状型三种类型云体，产生了相应时空特征的地面降水过程。

In vertical structure, the profiles of convective rain and stratiform rain are obviously different while the profiles of their own rain type among the 3 times have little difference.

在垂直结构上，对流性降水与层状云降水的廓线有明显的差别，而两类降水廓线各自在三个时次均差别不大。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。