主风

Then the main circulation of the atmosphere, secondary circulation (monsoon, air masses, front, cyclone), local circulation (sea breeze, land breeze, mountain wind, valley wind), violent weather, typhoon, agricultural meteorological disaster, process of microclimate formation on farm land, climate of Taiwan and China will be explained chapter by chapter.

本课程先介绍各种气象要素(如日射，日照，温度，气压，风，云，雾，降水，蒸发等)，其次对於大气主环流，次环流，局部环流(海风，陆风，山风，谷风)，剧烈天气，台风，农业气象灾害，农地微气候形成过程，台湾及中国之气候加以逐章阐述。

The sedimentary structure dominated by the monoclinal high angle tabular cross-bedding of the primary ridge is the typical transverse dune feature formed under the influences of unidirectional winds.

格状沙丘的形成必须具备两个方向风夹角成90-135°、输沙能之比为2：1至4：1的双向低能风况条件和风成沙连续覆盖且主沙丘或主梁具有较大规模等沙源供应条件。

The endplate change dramatically reduces the vortices created by the front wheels, while the reduced width of the main profile cuts drag, helping to boost top speed at the fast San Marino circuit.

端板的这一变化极大地降低了前轮所产生的涡流，而主风翼宽度的变短则减少了阻力，有助于在圣马力诺这条高速赛道上提高最高速度。

From the point of view of operation and control,the margin of air flow rate in FCCU regenerator was calculated by dynamic optimization.

从生产操作和闭环控制的角度，用动态优化的方法对再生器的主风裕量进行了计算，指出过程动态特性对主风设计裕量的选取有着很大影响。

The paper fristly analyzed the reason of mine air reversing in Liangbei coal mine of Xinlong Coal Industry Corporation,which based on mensuration of mine ventilation resistance and spontaneousness wind pressure,and then the measures of preventing the air reversing was put forward.

在对新龙矿业集团公司梁北煤矿的矿井通风阻力测定和自然风压测量的基础上，找出梁北煤矿2007年1月气温突降后所引起的主井风流反向的主要原因，推导出导致风流反向的基本条件，提出在副井至-550 m运输石门之间增加调节设施以增大副井的风阻、增大主要通风机机械风压、在主井下安装压风机人为增大主井的机械风压、减少主井附近热源、对主井的风流进行降温处理和对副井的进风流进行预热以减少主副井之间的风流平均密度差等防止风流反向的控制措施，从而使主井恢复正常的进风状态，消除了矿井安全生产的严重隐患

Finite-element analysis of quadrangular drill tower under wind load ;2. Curvature variation rule of cable and membrane structures subject to the wind load ;3. Then the wire strands and catway of Zhoushan Xihoumen bridge applied wind load in main cable construction are studied.

探讨了西堠门大桥主缆架设期间不同工况中索股在各级风载下的横向变形规律，结合猫道在不同级风载作用下的横向变形，通过索股和猫道相对横向变形量确定出猫道上可供主缆架设施工的风速。

This paper introduces several common ventilation schemes of thermal power station s main workshops, puts forward the ventilation scheme suitable for thermal power station s main workshops in cold areas, that is natural air-intake, natural+mechanical air-exhaust by roof axial fan .

本文介绍了几种常见的火电站主厂房通风方案，提出了适合于严寒地区火电站的主厂房通风方案：即自然进风、自然+屋顶轴流风机机械排风。

Through observation and study,the optimum designing programs are showed as follows:the cross degree between shelter belt and do minant wind direction should be more than 45 degree,the main forest belt distance should be from 150 meter to 200 meter,the sub belt distance should be from 230 meter to 700 meter,the best belt structure is sparse and transparent structure.

通过观测和研究，得出风沙区农田防护林带的走向与主风方向的交角，不能小于 45°，主林带间距 15 0m——— 2 0 0m ，副林带间距 2 3 0m——— 70 0m ，林带结构以疏透结构为最好，主林带一般由主林木 5— 6行组成，副林带由 2— 3行组成，再在迎风面和背风面配置 1行— 2行灌木和针叶

In this paper, we presented the shrub influence model for soil seed bank based on considering height and canopy of individual plants and direction of main-wind

在本项研究中，在结合主风方向，植物个体高度和冠幅及其与抽样点的距离的基础上，确定植物个体对土壤种子库的综合影响模型为

ENLIL: Lord Wind or Lord Air, a storm God.

enlil ：主风或主空气，一场风波神。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。