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  cold
    AN NUMERICAL MODEL OF THE COLD STRATIFIED CLOUDS
    层状云数值模式
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    THE CHARACTERISTICS OF ICE CRYSTAL CONCENTRATION DISTRIBUTION IN COLD CLOUD
    云中冰晶浓度的分布特征
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    THE STRUCTURE OF THE OASIS COLD ISLAND IN THE PLANETARY BOUNDARY LAYER
    绿洲岛的行星边界层结构
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    Radar detecting and nowcasting of severe squall line in cold vortex pattern
    涡形势下强飑线的雷达探测和临近预报
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    AN ANALYSIS OF TWO COLD SURGES
    两次涌过程的分析
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  a cold
    ENERGETICS ANALYSIS OF A COLD VORTEX IN NORTHEAST CHINA
    东北涡过程的能量学分析
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    ANALYSIS OF THE MICROPHYSICAL PRECIPITATION MECHANISM FOR A COLD VORTEX PROCESS
    一次涡过程降水的微物理机制分析
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    A Case Analysis of Vapour Images of a Cold Surge
    一次涌过程的静止卫星水汽图像分析
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    A NUMERICAL STUDY OF THE MCS IN A COLD VORTEX OVER NORTHEASTERN CHINA
    东北涡诱发的一次MCS结构特征数值模拟
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    Comprehensive Analyses and Numerical Simulation for a Cold Vortex Squall Line over China Loess Plateau
    黄土高原一次涡飑线的综合分析与数值模拟
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  cold trough
    ANALYSIS ON THE FORMATION MECHANISM OF THE “COLD TROUGH” AND THE “THERMAL BACKBONE” IN EAST OF CHINA
    中国东部“槽”和“热脊”形成机制分析
短句来源
    Of all the factors, radiative heating is the most important, and the vortex is apt to move eastward when there is a cold trough in the west of the vortex or a high pressure ridge at 45-55°N in the north of the plateau.
    当高原低涡西部有槽配合或高原北部45—55°N有高压脊存在时,有利于高原低涡东移。
短句来源
    The main impact system is cold trough on 500hPa, low eddy shear line on 700hPa, lower troposphere jet in the southwest and surface occluded front.
    其主要影响系统是500hPa槽、700hPa低涡切变线、西南低空急流以及地面"锢囚锋"。
短句来源
    Based on the 6 hourly conventional surface observations and radiosonde soundings, a case of heavy rain occurring over Eastern Fujian on 10-11 August 2002 was analyzed. The synoptic analyses show that the cold trough at 500hPa as well as low vortex and shear in the lower-mid troposphere were mainly responsible for the heavy rain.
    采用每隔6小时的地面、高空常规观测资料,对2002年8月10日至11日发生在闽东地区的一次暴雨天气过程进行了初步的诊断分析发现,这次暴雨过程主要是受500hPa高空槽、中低层低涡和切变线等共同影响造成的。
短句来源
    3.2.1-3.2.5. When a westerly cold trough moves eastward over a mountain, if, am/a2, the amplitude ratio of the topographic equivalent vorticity to its wind field vorticity, is relatively small, its amplitude damps in wind field and amplifys in temperature, and its wave speed in wind field is faster than that in temperature field.
    如以地形脊对东移西风槽的影响为例,当地形相当涡度和扰动涡度的振辐比a_m/a_(20)较小时,在它越过地形脊时,首先流场槽减弱而温度槽加强,减弱的流场槽以较快的速度移动,而温度槽则相对减慢,越过地形脊后,流场槽又重新增强。
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  “冷”译为未确定词的双语例句
    A NUMERICAL SIMULATION STUDY OF THE EFFECT OF THE COLD-LAKE ON THE SQUALL LINES IN THE NORTH PART OF JIANGSU PROVINCE DURING SUMMER
    夏季苏北湖效应对飑线影响的一个数值模拟研究
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    A STUDY ON CLIMATIC ECOLOGY FOR SPRING WHEAT IN COLD-COOL IRRIGATING AREA OF HE-XI ALONG THE QI-LIAN MOUNTAIN
    河西沿祁连山凉灌区春小麦气候生态的研究
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    THEORETICAL STUDY OF COLD-AIR DRAINAGE
    迳流的理论研究
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    Stability of Cold-Air Drainage and Analysis of Analytic Solution
    迳流的稳定性及其解析解的分析
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    NUMERICAL STUDY OF INFLUENCE ON LOCAL CLIMATE OF ROUGH CLOD ISLAND WIDTH AND DISTRIBUTION
    粗糙岛宽度与布局对局地气候影响的数值研究
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  cold
Evaluation of the efficacy of 99mTc-labeled ascorbic acid on common cold-cough drugs in rats
      
Because of this, people have been ready to embrace simplistic approaches to cold treatment, such as vitamin C and zinc.
      
Ascorbic acid (vitamin C) is mostly administrated together with cough-cold drugs.
      
The aim of this study was to investigate the effect of cough-cold drugs on the uptake of ascorbic acid using 99mTc-ascorbic acid (99mTc-AA) in male albino Wistar rats.
      
The present data show that vitamin C might be more effective for the treatment of common cold when coadministered with PPA compared to with CPR, with APAP, or alone.
      
更多          
  a cold
The results could be valuable for using the ZnO nanostructure as a cold-cathode field-emission material.
      
These strains provide a basis for developing biodegrader preparations applicable to the bioremediation of oil-polluted sites under the conditions of a cold climate.
      
It was shown that most of the flow in the pores filled with water is directed toward a cold side and can be calculated using the disjoining pressure isotherms of unfreezing interlayers.
      
Potential drop in a laminar boundary layer on a cold electrode
      
The self-similar problem of the motion of a cold gas subjected to an instantaneous impulse is considered.
      
更多          
  cold trough
It is shown in the zig-zag section diagram of potential temperature that when the frontogenesis got stronger, a cold trough was formed and both low-level jet (LLJ) and upper-level jet (ULJ) emerged ahead of the front.
      
In the strongest stage of frontogenesis, the frontal contrast of potential temperature of cold trough reached as high as 20 K.
      
The frontal circulation system was dominated by the cold air advection behind the front, which transported the cold air behind the front forward to the warm area ahead of the front to weaken the cold trough and finally frontolysis occurred.
      


This is a brief report of a preliminary survey of certain rain-bearing systems over China in later spring and summer. In the first part, a general description of the methods of analysis used in this survey is given. As the temperature and wind fields are weak, and the precipitation is heavy, smaller intervals for the isotherms and contours in the constant pressure surface and pseudo-equivalent potential instead of potential temperature in the cross section analysis are used.In the second part, there are descriptions...

This is a brief report of a preliminary survey of certain rain-bearing systems over China in later spring and summer. In the first part, a general description of the methods of analysis used in this survey is given. As the temperature and wind fields are weak, and the precipitation is heavy, smaller intervals for the isotherms and contours in the constant pressure surface and pseudo-equivalent potential instead of potential temperature in the cross section analysis are used.In the second part, there are descriptions of the structure and development of five frequently observed rain-bearing systems i.e. cold front, blocking high and cold vortex, monsoon heat low, warm front and typhoon.The last part consists of discussions of some points of view in synoptic meteorology in China. It is stated that the monsoon precipitation is various in intensity and duration according the large-scale flow patterns. The difference of moisture content in the middle troposphere as a criterion for the identification of equatorial or tropical maritime air mass is proved to be missleading. It is shown that the upper air moist content is high only within the raining region near the polar or equatorial front. To the south of the equatorial front within the so-called equatorial air mass, the moist content in the middle troposphere is as low as within the tropical maritime air mass. It is the convergence and lifting of the tropical air mass which releases the convective instability and induces the surface moist air rising to the middle troposphere. The phenomenon of the forward-inclination of the so-called North-West Trough based on the time cross-section of wind is proved to be a mistake by combining two systems into one trough. The terminology of shear line, and the correct application of synoptic models in weather analysis and forecas-ting are also discussed.

本文是一年来从事夏季降水天气初步普查的简单报告。第一节首先指出所用分析方法与一般国内所通用者,稍有不同。高空等压面分析,取20米作为等高缐间隔,2℃作为等温缐间隔。代替40米及5℃的间隔,以适应夏半年较弱的温度场与气压形势场,在剖面分析中以等假相当位温缐代替位温缐,与等温缐配合以适应降水天气的凝结降水过程。 第二节讨论了五种夏半年基本降水天气系统,即锋、阻塞高压与涡、季风热低压、 暖锋及有风的结构,并简单地叙述了演变过程。 第三节对某些天气概念提供一些批判性的讨论。根据现已增加的观测材料,论证季风与梅雨是多样性的,决定于大规模的温度场与流场特性,以高空湿度大小区分赤道气团与热带海洋气团,证明是不适当的,因为中国赤道锋降水区域以南,即在所谓南南季风的赤道气团中,中层大气仍是干燥的。降水区域内,中层对流层的大量水份,是由于辐合或抬升的作用,使潜势的对流不稳定性成为现实的不稳定性,而由下层空气上升带上去的。文中还论证了所谓西北槽槽缐前倾是将两个系统混作—个系统的不正确桔果。最后还讨论了切交缐及一般模型在天气分析预报中的应用与限制。

The synoptic process on 500mb over Asiatic natural synoptic region have been analized for 5 summers. The results are given below:1.The variation of the position and strength of the maximum westerly wind belt at 500mb surface along four meridians 65°E, 105°E, 120°E, 140°E gives a good index in determing the natural synoptic seasons over Eastern Asiatic synoptic natural region. The disappearence of the low latitude westerly wind maximum along 65°E is the first indication of the beginning of Bai-U period. When...

The synoptic process on 500mb over Asiatic natural synoptic region have been analized for 5 summers. The results are given below:1.The variation of the position and strength of the maximum westerly wind belt at 500mb surface along four meridians 65°E, 105°E, 120°E, 140°E gives a good index in determing the natural synoptic seasons over Eastern Asiatic synoptic natural region. The disappearence of the low latitude westerly wind maximum along 65°E is the first indication of the beginning of Bai-U period. When the westerlies wind maximum belt to the south of 40°N completely disappears along 140°E summer begins. This is accompanied with the filling of the Asiatic main trough over Japan and the Northward shiff of the Pacific subtropical high pressure belt from low latitudes to 30°-40°N. The mean date on which summer begins is nearly on 13th, July. It is also the end of Bai-U over middle Yangtze river. Thence the synoptic process in Bai-U period is the prevailing process before summer season. The precipitation in this period is closely related to the strength of the maximum wind belt i.e. socalled frontal zone.2.When the 600mb maximum westerly wind belt appears again at 30°-40°N along 140°E, begins author. The synoptic process, which associates with it, is the reestablishment of the Asiatic main trough over Japan. And the surface cold continental high comes down to North China from the east of Novaya Zemlya Island. The average time of the arrival of Autumn is nearly on 5th, September. Hence the duration of summer is on the average only 55 days.8. According to the analysis of the time variation of maximum westerlies on 30°-40 °N along each of the four meridians, the westerly maximum generally disappears earlier in west than in east but establishes later in west than in east during autumn. The phenomeanon that the maximum westerly first generates in the east during autumn can hardly be explained by the splitting of the jet stream.4. From the analysis, the prevailing process of the natural summer season largely depends upon the variations in the upper westerlies over Ural region and the west-east relative position of the Pacific subtropical high with respect to the Tibet plateau.

本文根据1951—1955年五年高空和地面的资料,对夏季过程进行了分析,得到下面几点结果: 1.在东亚地区的四个主要经度带上以65°,120°和140°经度带的500毫巴强西风中心的位置和强度变化,对东亚自然天气季节的划分是最良好的指标。东经65°经度带上南边低纬度强西风的消失是梅雨期开始前的征兆。东经140°经度带上强西风在北纬40°以南消失时是夏季开始的征兆。和它相关联的过程是东亚高空大槽的消失和太平洋副热带高压带北移至30°—40°纬度带间,这个期间平均是在7月13日左右,也是江南梅雨结束的时候。故梅雨是夏季以前的盛行过程,它和500毫巴强西风区或锋区是有密切的联系的。 2.东经140°经度带上500毫巴强西风在北纬30°—40°重现时,是夏季结束秋季开始的征兆,和它相关连的天气过程是在该经度带上高空大槽重新建立,地面大陆高压从新地岛东部向东南下达华北地区。这个时间平均是在9月5日左右。故东亚夏季的长度平均仅55日。 3.从500毫巴强西风在各经度带上出现的情况来看,一般是西部比东部消失得早,出现得迟,不如冬季那样先在上游首先建立,在春夏之交这种相反的演变,似非地形的分支可以解释的。 4....

本文根据1951—1955年五年高空和地面的资料,对夏季过程进行了分析,得到下面几点结果: 1.在东亚地区的四个主要经度带上以65°,120°和140°经度带的500毫巴强西风中心的位置和强度变化,对东亚自然天气季节的划分是最良好的指标。东经65°经度带上南边低纬度强西风的消失是梅雨期开始前的征兆。东经140°经度带上强西风在北纬40°以南消失时是夏季开始的征兆。和它相关联的过程是东亚高空大槽的消失和太平洋副热带高压带北移至30°—40°纬度带间,这个期间平均是在7月13日左右,也是江南梅雨结束的时候。故梅雨是夏季以前的盛行过程,它和500毫巴强西风区或锋区是有密切的联系的。 2.东经140°经度带上500毫巴强西风在北纬30°—40°重现时,是夏季结束秋季开始的征兆,和它相关连的天气过程是在该经度带上高空大槽重新建立,地面大陆高压从新地岛东部向东南下达华北地区。这个时间平均是在9月5日左右。故东亚夏季的长度平均仅55日。 3.从500毫巴强西风在各经度带上出现的情况来看,一般是西部比东部消失得早,出现得迟,不如冬季那样先在上游首先建立,在春夏之交这种相反的演变,似非地形的分支可以解释的。 4.在夏季自然天气季节所出现的盛行天气过程主要是表现在太平洋副热带高压随上游气压场的不同,及其和?

A cold air outbreak with simple synoptical process is selected as an example for this investi-gation.The field of the upper horizontal temperature and the structure of the cold front arediscussed.As the front moves from north to south over China,the slope of the front in thelower level steepens and its intensity increases.In the late stage of the cold air outbreak,theupper horizontal temperature field changes rapidly.Computation by frontogenetic formulashows that the term of differential temperature advection...

A cold air outbreak with simple synoptical process is selected as an example for this investi-gation.The field of the upper horizontal temperature and the structure of the cold front arediscussed.As the front moves from north to south over China,the slope of the front in thelower level steepens and its intensity increases.In the late stage of the cold air outbreak,theupper horizontal temperature field changes rapidly.Computation by frontogenetic formulashows that the term of differential temperature advection is predominant.

本文选择了一次大气物理过程比较简单的寒潮作为例子,讨论其温度场及锋的构造。事实看出,寒潮前沿的锋,在黄河流域时与在华南时,构造是不同的。本文对于锋的构造的改变进行了初步的讨论。再者,寒潮末期的高空温度场改变很大,作者试用锋生公式计算,结果指出,温度平流值的变化起着主导作用。

 
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