氣壓變動 的英文怎麼說

中文拼音 [biàndòng]
氣壓變動 英文
barometric fluctuations
  • : 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...
  • : 壓構詞成分。
  • 氣壓 : [氣象學] pressure; atmospheric pressure; barometric pressure; gas pressure; air pressure
  1. While on plane, you may experience pain and discomfort in the ear because of pressure changes. try swallowing to keep the eustachian tube open to relieve the discomfort

    當飛機起飛或下降時,由於的轉,耳朵或許會出現疼痛的現象,可作連續的吞咽作,保持耳咽管通,以紓緩不舒服的感覺。
  2. Even under the condition that the filling pressure was up to 1. 5mpa, the onset temperature was only 237 ?. with the filling nitrogen of 0. 9 mpa, the maximal pressure ratio reaches 1. 21 and the operation frequency is 25 hz. the ratio of the harmonic wave of the engine was very little and the frequency jumping was not found in present experiments

    在充力為0 . 9mpa的條件下,該熱聲發機最大比可達1 . 21 ,遠高於駐波型熱聲發機,實驗結果和理論分析均表明系統的工作頻率為25hz左右,實驗裝置的諧波比例非常小,且也沒發現頻率跳等現象。
  3. Series of guowei dry - method composite machines as new product are explored with our many years ' experience, the requirement of the users. the first metal of this machine is adopted with : photo - ecectricity auto. tracking " correcting deviation equipment, magnetic powder tension control. pneumatic back pressure shifting blade, oven temperature controlled qutomatically, big roll with oil heating, coating composite pneumatic control as well as double frequency governor etc. it will make the machine with fast speed, lower voice, low polluted by air, shout consumptionfor energy, stable working etc. especially suitable for al - foil with smooth surface and no enough firming, glass paper, polyester ect. the composite material with hard strength, fireproof, anti - ventilation, anti - fatty, frozen, dudrable steam etc character. it is widely used in food, pharmacy, as well as daily articles to package

    「國偉」 、系列乾式復合機,是我廠根據多年的復合機製造經驗及結合客戶需求,開發的新產品,該機第一基材採用了「光電自跟蹤」糾偏放卷裝置,磁粉張力控制、式刮刀、烘箱溫度分段自控制、大輥筒導熱油加熱、上膠復合控制及雙頻調速技術,使該機具有復合速度快、噪聲低、空污染小、能耗低、運行平穩等特點,適宜於表面光滑的鋁箔玻璃紙聚酰胺等與聚乙烯、聚丙烯等薄膜的復合,復合薄膜具有強度高、防水、防透、防油脂、可冷凍、蒸煮等優點,廣泛應用冷凍食品、乾燥食品、醫藥品及日用品的包裝。
  4. Over the range of air temperature, the saturation vapor pressure fluctuates from less than 1 / 10 to over 100 millibars, or by a factor of 1000

    化范圍內,飽和水汽在小於1毫巴到超過100毫巴(即大於1000倍)間
  5. The characteristics of high pressure gyratory sprayed pumping discusses is presented, which is applicable in wide range of scope and ground layers, convenient for construction, long durability, wide source of materials. mechanism for subgrade strengthening : complex foundation of cement solid and earth between piles was formed by pulsant load of flowing pressure and spraying flow, water wallop, cavitation phenomenon, water wedge effect, extrusion force and air flow agitation etc so as to enhance foundation bearing force and reduce settlement and deformation

    旋噴注漿技術具有適用范圍、適用地層較廣,施工方便,耐久性好,材料廣闊等特點;其加固地基機理主要是通過流、噴射流的脈負荷、水塊的沖擊力、空穴現象、水楔效應、擠力、流攪等效應形成水泥固結體與樁間土的復合地基,從而提高地基承載力,減少沉降形。
  6. 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切和鋒前中尺度系統的強弱及位置化是沙塵暴天發生發展到減弱的直接原因。地面冷高、地面旋及冷鋒是造成本次沙塵暴天的主要地面天系統。地面冷高及冷鋒為沙塵暴天的發生提供了風力條件,而中尺度旋使冷鋒前後梯度明顯增強外,又使所控制的區域增溫明顯,使鋒前輻合上升運加強,為沙塵暴天的發生提供了熱、力條件。
  7. In this experiment, adjusting the throttle to the specific position, and letting engine rotary speed change from the lowest to the highest, at the same time, the data of the water temperature, the fuel temperature, the air press and the rotary speed can be noted. moreover, we can measure the fuel quantity and the ignition angle

    實驗中,調節節門在特定位置,並讓發機的速度依次從最低化到最高,同時記錄水溫、油溫、進力和轉速等數據,還可以測出相應的噴油量、點火提前角。
  8. And the experimental results indicated that the pressure fluctuant of cng engine was less than gasoline engine

    通過比較各缸最大力的系數,表明燃燒天然的循環間波小於燃燒汽油。
  9. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流機在工作流量、工作轉速及?靜葉排軸向間距化時的葉片排流場非定常頻譜特性化規律,並耦合進的影響,同時與性能和穩定性相關聯,作者利用南京航空航天大學能源與力學院的低速大尺寸軸流機( lsc )試驗器,採取在靜子葉片表面埋入力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的力進行了測量,獲得了大量的可靠的實驗數據。
  10. In the thesis, most advanced, relative, foreign high - tech has been pursued. feasibility analysis has n ' t been carried out by synthesizing much relative knowledge such as electromagnetism theory, plasma technology, aerodynamics, electronic technology etc until the scheme is confirmed, that is, a uniform, one atmosphere, controllable, glow - charge surface plasma can be generated and flow can be accelerated by changing electric field

    本文追蹤目前國外最先進的技術,綜合電磁理論、等離子體技術、空力學、電子技術等相關知識進行可行性分析,確定了研究方案,即利用電流體力學( ehd )方法在一個大下產生高效、均勻、可控的射頻輝光等離子體,同時,通過改電場促使流加速。
  11. The comparison among each cylinder ' s quantity of inlet air was made using the average value of the max pressure of each cycle

    通過比較各缸力的最大平均值及其系數,分析了各缸的進量差異。
  12. This article starts with the following aspects to study and solve the following practical problems, 1 the foundation for vessels to keep away from and withstand typhoon the article briefly introduces typhoon ' s weather characteristics, weather structure, number, naming, forming, development and its law of movement. it also discusses the ways and significance for merchant ships to collect in all - round way the information of typhoon and to make spot forecast, doubts the applicability of " barometric daily change correction table ", and puts forward the author ' s view on the judging ways on the ship ' s location in gale circle. this chapter mainly discusses the process of decision - making and the application of technology, brings forward the concepts of the objective, the policy and the ship disaster plan and disaster supply kit. this chapter also approaches the juristical relationship between master and anti - typhoon team leaders, explains the concrete meassures and the keypoit on technological application, and points out the points to be discussed in sector means of typhoon avoidence

    船舶避抗臺風基礎本文根據最新資料扼要地介紹了臺風的天特徵、天結構、編號、命名、形成、發展及其活規律;討論了民用商船全面收集臺風信息和資料作出船舶現場預報的途徑及其重要意義,對「化訂正表」的適用性提出了質疑,並對船舶在臺風大風圈內所處部位的判定方法提出了自己的見解;本文重點論述了船舶避抗臺風的決策過程和技術應用,提出了船舶避抗臺風的目標、方針和船舶「防抗臺應急包」船舶避臺算機標繪的概念門x討了船k勺公司防抗臺領導小組在船舶防抗臺過甜中的法叫』大系, m述了避抗臺風汀仰拙施和技術的應用要點,井指出了「扇形避離法」的位徘商郴之處。
  13. If the pressure changes over a large area, winds start to blow in a huge circle. high - pressure air is pulled ( formed ) into a low - pressure ( low pressure ) center

    如果大,風就會呈一個大的環型吹。高區的空會流向低區中心。
  14. Finally, on the basis of the simplified model, the control accuracy and the angles that can be achieved by the bionic actuating device is analysed through three changes of the air pressure, and the three changes are simulated by the matlab. the simulated results are analysed and the different accuracy range is achieved. the simulation results can be applied by the future work

    最後根據簡化模型,分析了人工肌肉在三種不同化幅度下,整個驅裝置的控制精度和可以實現的角度,並使用matlab對這三種情況分別模擬,對模擬結果進行分析,得到驅裝置運的不同精度范圍,為以後實際控制驅裝置的作提供了依據。
  15. The change in pressure can be recorded by means of a pen arm on a rotating drum

    化可以藉助在轉的鐘筒上移的筆記錄下來。
  16. Changes in atmospheric pressure change the size of the capsule, which in turn moves an ink pointer. in this way, pressure changes are recorded continuously as the pointer moves over a rotating drum

    時,空盒會隨著小,帶指針移,不斷把化的曲線繪畫在滾圓筒的記錄紙上。
  17. An engineer case is introduced, which is about " the reconstruction of high voltage fan ' s speed - adjusting by frequency conversion and the design of plc ( programmable logic controller ) control system in shui cheng iron and steel company ". in this project, an advanced controlling technology, based on the method in this paper, is used to realize the closed loop control of discharge header pressure of two coke ovens

    介紹「水鋼煤焦化公司鼓風機高頻調速及系統plc控制改造」的工程概況,對煤鼓風機採用先進的頻調速技術和計算機控制技術進行改造,實現對兩座焦爐集力自調節的閉環控制功能,既滿足了煤量的自調節的要求,又避免了煤鼓風機出口閥門的節流調節,節能效果相當可觀。
  18. Its interannual variation ' s main period is about 4 ~ 5a and the 7 ~ 8a ' s period exist too ; the interdecadal variation ' s main period of the australian high is about 15a. the interannual variation of australian high ( aah ) has correct correlation with antarctic oscillation and enso, and the enso ' s 4a period has the most important influence on the aah. ( 2 ) when the ah becomes stronger, the members of the whole aamcs are stronger following it. that is to say, in the years that the ah is stronger ( compared to the weak years of ah ) and on the horizontal circulation, the members of aamcs, including the ah, the cross - equator flow ( cef ) between 100 and 160 e, the south china sea south - west monsoom ( ssm ), the south sea monsoon rough, the tropical easily flow, subtropical high ( sh ), the mei - yu front, the mid - latitude effect, become stronger, and their positions are more southward ; in the meridional - right circulation, there are five circulations including classic monsoon meridional - cirle circulation and hadley circulation that become stronger in the strong years of ah than in the weak years of ah

    本文採用ncep ncar再分析月平均的全球海平面場、高度場、海表溫度場、高雲量和cmap全球降水資料,以及中國160站逐月降水資料,分析了1948 2002年期間澳大利亞高(以下簡稱澳高)的年際和年代際化以及澳高年際化對亞澳季風環流系統的影響,結果顯示: ( 1 )澳高存在明顯的年際和年代際化,澳高年際化以4 5年的周期化為主,同時兼有7 8年左右的周期,而澳高的年代際化則以15年左右的周期化為主:澳高年際化同時與南極濤和enso有正相關,並且enso的4年左右的周期化對澳高年際化影響最大。
  19. Because of the complexity of the model, the paper has simplified the model. the bionic actuating device operation is implemented by changing the air pressure of the pneumatic artificial muscles. the influence of the shape change of the pneumatic artificial muscle to the operation of the bionic actuating device is also analysed in the paper and the influence is explained in theory

    隨後分析了人體上肢組成和工作特性,在此基礎上建立了仿生驅裝置模型,解釋了該裝置模型的機構組成和運特性,並在模型基礎之上建立了一個簡化運模型,通過人工肌肉內化來實現驅裝置的運,同時還對人工肌肉形量如何影響驅裝置工作進行了理論上的分析,解釋了其在計算上的復雜性。
  20. The modeling and simulation describing the dynamic performance of the cylinder are established and the sectional acres of the actuating pneumatic organ are discussed ; after resolving the simulation model by matlab, the cylinder dynamic performance parameter based on time is obtained ; in the end, the influence of inertial load, stroke and valid area on the dynamic performance of the cylinder are discussed

    然後針對主要部件? ? ?筒的工作過程,建立了描述作筒彈射和回收過程的物理模型和數學模型,對其中的元件有效截面積ae展開了討論。利用matlab求解模擬模型,根據程序設計結構編制模擬程序,得到特性參數隨時間化的可視化模擬結果。
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