氣壓變化區 的英文怎麼說

中文拼音 [qìyābiànhuàqū]
氣壓變化區 英文
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  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 壓 : 壓構詞成分。
  • 區 : 區名詞（姓氏） a surname
  • 氣壓 : [氣象學] pressure; atmospheric pressure; barometric pressure; gas pressure; air pressure
  1. With the aid of this technique, the precision of fault location could be greatly immune to the external interference, which comes from the variation of line parameters, especially for the variation caused by tough climate or severe chilliness in some areas where the line passes by

    高壓架空輸電線的參數隨氣候等因素的變化是一個帶有普遍性的問題，在地形復雜、氣候惡劣或高寒地區尤為嚴重。
  2. In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure

    第二章：簡要介紹大氣負荷研究所需的氣象科學知識、資料及其數據處理方法；建立相對濕度表示的大氣比氣體常數模型，利用地面溫度和空間垂直溫度梯度、壓力變化的規律估算大氣水汽組分變化對比氣體常數的影響；對中國及鄰區的地面氣壓記錄進行了預處理和網格化
  3. Variation of 10 - minute mean sea level pressure in hong kong

    香港各區平均海平面氣壓的變化
  4. The same period, the ocean thermal slow, relatively high temperature, air density changes smaller solipsism relative area of low pressure

    同一時期，海洋散熱較慢，溫度相對地較高，空氣密度變化較小，遂形成相對的低壓區。
  5. The diagnostic analysis for the sandstorm process on the base of height, temperature, pressure and wind etc output from the model shows that the upper cold trough, low - level wind shear, surface cold anticyclonic ridge, mesoscale cyclone and cold front are the main synoptic systems, surface cold anticyclonic ridge and cold front provide condition of wind force to occurrence of the sandstorm weather, the strong mesoscale cyclone before front makes pressure gradient before and after cold front obviously strengthen, moreover, and it increases obviously the temperature of the controlled area, as a result, the updraft movement caused by convergence before front strengthens

    500hpa強鋒區、 700hpa切變和鋒前中尺度系統的強弱及位置變化是沙塵暴天氣發生發展到減弱的直接原因。地面冷高壓、地面氣旋及冷鋒是造成本次沙塵暴天氣的主要地面天氣系統。地面冷高壓及冷鋒為沙塵暴天氣的發生提供了風力條件，而中尺度氣旋使冷鋒前後氣壓梯度明顯增強外，又使所控制的區域增溫明顯，使鋒前輻合上升運動加強，為沙塵暴天氣的發生提供了熱、動力條件。
  6. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果表明，不同孔位出流的換熱由於孔排下游表面來流速度及葉片表面曲率的不同而有不同的規律，而主流雷諾數對葉片表面特別是壓力面和前緣區域的換熱系數比的影響較小，吹風比對換熱系數影響較大（特別是導葉） ，並且隨氣膜孔位置和來流雷諾數的變化而情況復雜。
  7. These measurements are complemented by measurements of the flow field downstream of the cascade. the integrated losses and locations of secondary flow features with and without endwall film - cooling are determined for variations of both coolant supply pressure and injection location

    以無端壁氣膜冷卻和有端壁氣膜冷卻兩種情況進行研究，對比地獲得了兩者的綜合損耗和二次流特徵區域隨冷卻氣體供給壓力和注射位置的變化規律。
  8. With regard to the special environment of high altitude and ice, this paper mainly studies the effect of altitude ( air pressure ), icing states ( ice amount ) and icing water conductivity on the ac flashover characteristic of composite insulators. furthermore, it analyzes the hydrophobicity of composite insulators in these environments

    針對高海拔和覆冰地區特殊的環境，本文重點研究海拔高度（即氣壓） 、覆冰程度及覆冰水電導率等對合成絕緣子交流閃絡特性的影響，並且對合成絕緣子在高海拔和覆冰環境下的表面憎水性變化進行分析。
  9. By using ncep / ncar reanalysis data of height and wind, the inter - monthly lpac map, the climate lapc map, inter - annual anomaly map and mean variance map of monthly wind field of 850 and 500hpa and monthly height field of 850, 500, 150, 30hpa are calculated in a globe - belt area, which situates between 30 s and 75 n, from december 1957 to december 1997, according them we analysis the rule of the season transfer and anomaly of nh mean circulation. the results show that the climate map of lapc can describe the seasonal transfer process of large scale circulation better. the advance process of summer circulation establish is form south to north at the middle and lower level of the troposphere, that is reflected primly in the inter - monthly wind and pressure map of lapc ; at lower lever of stratosphere, the establish process is simulate to that of troposphere, and reflect of process of that the south asia high toward plateau ; at middle stratosphere the summer circulation establish begins at middle and high latitude initially, and then transmits to low latitude gradually, while the seasonal variability in mid - stratosphere is stronger than it in troposphere and low - stratosphere

    利用ncep ncar再分析高度場和風場資料，計算了30 s 75 n球帶區域1957年12月至1997年12月逐月850 、 500hpa風場及850 、 500 、 150 、 30hpa高度場月際局地型相似系數圖、多年平均圖（即氣候lpac圖） 、年際異常圖及均方差圖，在此基礎上，分析了北半球平均環流季節轉換及其異常的規律。分析表明，氣候局地型相似系數圖較好地給出了大尺度環流季節轉換發生的過程：在對流層中、下部，風、壓場月際局地型相似系數圖清楚地反映了夏季型環流建立由南向北的推進過程；低平流層夏季型環流的建立與對流層接近，其中，南亞高壓上高原過程有明顯反映：中平流層，夏季型環流的建立明顯表現為從中、高緯度開始，逐步向低緯傳播的特徵，且變化較對流層和低平流層明顯。
  10. This paper mainly study on the technics of preparing nano - si3n4 and icpecvd. seeking for the proper parameter and technics, crystallization of nano - si3n4 powder with muffle furnace, probe the new effective way of improving the properties of nano - si3n4 powder the ion density in the reaction chamber was diagnosed by a langmuir probe. the rules were obtained under different air pressure, different radio frequency power and different position which the ion density changes about from 1010cm - 3 to 1010cm - 3 decreasing as the pressure increases and increasing as the power decreases

    利用朗繆爾探針診斷了反應室內等離子體參數，得到不同位置、不同功率和不同氣壓下等離子體密度的變化規律，結果表明離子密度為10 ~ 8 10 ~ （ 10 ） cm ~ （ - 3 ） ，等離子體密度隨著功率的增大而增大，隨著氣壓的升高而減小，由於離子鞘層的存在，在一定條件下提供了局部等離子體密度穩定的區域。
  11. All the transmission lines of west - east electricity transmitting project are inevitable to crossing the high altitude and icing areas. for the reducing of the air pressure and the absolute humidity, the electricity strength of insulators will drop obviously. therefore, it must be considered the effect on the insulators " flashover voltage caused by the change of altitude and ice when the insulation cooperation of transmission lines are being designed

    「西電東送」工程的所有輸電線路都不可避免的要經過高海拔和覆冰地區，由於大氣壓力和絕對濕度的降低會使絕緣子的電氣強度顯著下降，因此在進行輸電線路的絕緣配合設計時必須考慮到海拔高度和覆冰的變化對絕緣子的閃絡電壓影響。
  12. The characteristics of precipitation anomalies in summer, previous and simultaneous ssta and preceding winter accumulated snow depth anomalies corresponding to positive and negative phases of 10 - yr mode and 25 - 30 - yr mode are discussed respectively. no matter for 10 - yr mode or for 25 - 30 - yr mode, reverse characteristics corresponding to positive phases and negative phases appear in the above fields. it proves that the decadal variation of sah have a good relation to the decadal variation of other key element of climate system and we can regard sah as a strong signal of the anomalies in the climate system

    （ 4 ）夏季南亞高壓東西振蕩具有明顯的年代際變化特徵，本文分別討論了對應於10年周期態的正位相年和負位相年及25 - 30年周期態的正位相年和負位相年時夏季我國降水距平、前期及同期海溫距平及前冬青藏高原積雪距平的分佈特徵，發現無論是10年周期態還是25 - 30年周期態，對于夏季南亞高壓東西振蕩的正位相年和負位相年以上各要素場呈現為很好的反位相特徵，說明夏季南亞高壓的年代際變化與氣候系統中其他要素的年代際變化具有很好的關聯性，可將南亞高壓看作氣候系統中大氣子系統異常的強信號，通過分析南亞高壓的年代際異常可以更直接地研究和預測區域氣候異常。
  13. Through the thermodynamic analysis for the sandstorm weather according to the simulated potential temperature, potential vorticity field, it is found that this sandstorm weather occurred in the condition of the atmospheric stratification stability, the area of the high potential temperature value and the potential temperature gradient have a good corresponding relationship with the surface cold air and cold front, so are the strength of potential vorticity and the different developing stage of sandstorm

    利用輸出的位溫、位勢渦度場，對沙塵暴天氣進行熱動力條件分析，發現本次沙塵暴天氣發生在大氣層結穩定狀態下，位溫大值區及位溫梯度與地面暖低壓的強弱和移動有著很好的對應關系，位渦的水平分佈特徵和強弱變化對沙塵暴的出現時間和落區有一定的指示意義。
  14. In harsh climate region, the air temperature changes greatly between winter and summer. rcc dam are usually placed without bulk and longitudinal joints, and left free in winter. thus, it ' s unique thermal stress time - space distribution rule increases the difficulty of temperature control and crack control of rcc dam

    由於嚴寒地區冬季氣候寒冷、年內氣溫變化幅度大；碾壓混凝土壩採取通倉澆築、不分縱縫以及越冬長間歇式的施工方法，使其具有獨特的溫度應力時空分佈規律，更增加了碾壓混凝土壩溫控與防裂難度。
  15. User can chang it freely. the signals sampled on hardware interrupt assure the real - time property and control reliability. chapter 4 first analyzes the basic characteristics of electropneumtic proportional / servo cushioning controlled system, especial study the influence of the valve dead zone, system friction and saturation phenomenon

    第四章首先將電-氣比例伺服控制引入到緩沖控制中，分析了系統被控對象的基本特性，著重分析了氣源壓力變化、閥口死區、系統摩擦力特性和氣路飽和現象對控制系統的影響。
  16. When tc approaches to coast, under the squeezing effect between tc and land, convergences of wind vector and pressure gradient are intensified between tc " s center and coast, and, a new high wind domain forms

    隨著熱帶氣旋不斷接近陸地，由於擠壓作用，二者之間區域的風矢量輻合和氣壓梯度不斷增強，形成新的大風區，造成水平結構的變化。
  17. Regional difference in lower - level temperature dv and pressure dv are greatly weakened and dv of llj is distinctly faint without the nanling ridge. this result show that nanling ridge acts as a critical role in the establishment of dv of the lower - level temperature and pressure, which give rise to the dv of llj in south china

    而當模式中僅僅去掉南嶺和武夷山山脈地形后，低層大氣溫度場日變化的區域性差異明顯變弱，梅雨低壓帶南側原南嶺山脈所在地的溫度日較差明顯減小，使得梅雨低壓槽與華南地區之間的南北向水平溫度梯度和水平氣壓梯度的日較差顯著變小，導致華南低空急流日變化的顯著減弱。
  18. Variations in pressure with and without aeration in cavitation region are measured and the compressible characteristics of pressure waveforms and relation between mach number and compression ratio are analyzed ; the time - averaged pressure profiles of different air concentration in cavitation erosion region are measured, the variations of the pressure with air concentration and effects of back pressure on cavitation erosion are analyzed ; the relations between least air concentration to prevent cavitation erosion and flow velocity are proposed ; the cavitation numbers with and without aeration in cavitation region are compared

    實測了空化區摻氣前後壓力的變化，分析了壓力波形的可壓縮流特徵以及馬赫數與壓縮比的關系；實測了空蝕區不同摻氣濃度的時均壓力分佈，分析了壓力隨摻氣濃度的變化及背壓對空蝕的影響；提出減免空蝕的最低摻氣濃度與流速的關系，比較了摻氣前後水流的空化數。
  19. It indicates that the diffusion is the important factor of gas losing in binbei region. this paper researched the hydrodynamic pressure and its change characteristics in the space by means of the ion concentration of formation water, reduced pressure and its change characteristics in the plane, the result indicates that from north - east to south - west, the hydrodynamic conditions are better and better in binbei region, the areas near the binbei railroad are the favorable area for oil and gas to accumulate

    利用水化學離子濃度，折算壓力大小及其平面變化對濱北地區水動力強弱及其空間變化特徵進行了研究，結果表明濱北地區水動力條件變化趨勢為由東北向西南逐漸變弱的特點，由此推斷濱州線附近應是濱北地區油氣保存的有利地區。
  20. The results indicate that the flow velocity is lower and the pressure is high in majority of the step cylinder, the distinct variations of the flow field occur in the threshold of the step cylinder at the bottom and the abrupt transition sections, the holes in the inner and outer tubes and the exhaust hole

    結果表明：步進缸內大部分區域流體流速較小，壓力較高，且變化不大，發生明顯變化的部位主要分佈在步進缸底部水管入口及截面突變處、內外套對孔處和排氣孔處。
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