現在氣象條件 的英文怎麼說

中文拼音 [xiànzàiqìxiàngtiáojiàn]
現在氣象條件 英文
existing atmospheric conditions
  • 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
  • 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...
  • 條 : Ⅰ名詞1 （細長的樹枝） twig 2 （條子） slip; strip 3 （分項目的） item; article 4 （層次; 秩序; 條...
  • 件 : Ⅰ量詞（用於個體事物） piece; article; item Ⅱ名詞1. （指可以一一計算的事物） 2. （文件） letter; correspondence; paper; document
  • 現在 : now; at present; today; nowadays; these days; this day and age
  • 氣象 : 1. （大氣現象） meteorological phenomena2. （氣象學） meteorology3. （情景） atmosphere; scene
  • 條件 : 1. （客觀的因素） condition; term; factor 2. （提出的要求） requirement; prerequisite; qualification
  1. As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation

    眾所周知，一般的反問題和混合問題的最大特點，是在給定的壓力面和吸力面上的壓力分佈或速度分佈條件下，直接得到葉片的幾何形狀，它可以使葉型型面與表面氣流參數有機結起來；其不足之處在於，對設計者而言，很難給定理想的葉片表面壓力分佈或速度分佈，並且有時會得到一個非物理解，如：得出的初始葉型可能會出現前緣、尾緣不封閉的現象。
  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

    在充氣壓力為0 . 9mpa的條件下，該熱聲發動機最大壓比可達1 . 21 ，遠高於駐波型熱聲發動機，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，且也沒發現頻率跳變等現象。
  3. And the following conclusion was got : generally, the existence of particles would limit and retard the developing of the coherent structure of the turbulent fields ; but when the mass loading is a little high, the existence of particles would promote the developing of the turbulent field ; at the same time, the gas flow field would enhance the particles " dispersion. at this time, the interaction between the two phased would promote each other. this phenomenon is just like the " sympathetic vibration " in mechanical engineering

    認為：在一般條件下顆粒的存在會限制、遲滯流場的發展；但對于質量2002年6月?金晗輝摘要攜帶率較高的情況，在流場發展到一定程度以後顆粒的反作用會促進流場的發展;反之，在顆粒質量攜帶率較高的情況下，受顆粒反作用的氣相流場又會加強顆粒在流場空間中的擴散，揭示出氣粒兩相相間作用在一定的顆粒質量攜帶率條件下存在「共振現象」 。
  4. Abstract : in this paper the gasification characteristics of two - phase anaerobic membrane biosystem ( mbs ) were studied by experiment using starch wastewater. effects and phenomenon of system ？ s energy recovery was analyzed

    文摘:在實驗室條件下，以澱粉配製廢水為原水對兩相厭氧膜生物系統（ mbs系統）產氣特性及其規律進行了試驗研究，討論並解釋了該系統在能源回收過程中的現象和影響因素。
  5. In the present dissertation, some properties of sodium tellurite glasses, including density, chemical durability, stability against crystallization and fragility of glass forming liquid are studied. the melting, evaporation and solidification of sodium tellurite glasses in low gravity during drop shaft experiments are observed. except this, the phase - separation of lead borate glasses under different gravity condition is also studied

    本文亞碲酸鈉玻璃作為研究對象，系統探索了亞碲酸鈉玻璃的熔化條件，化學穩定性，玻璃抗析晶能力以及玻璃形成液體的脆性等問題，著重研究了na _ 2o - teo _ 2玻璃在落塔實驗中的熔化和氣化以及pbo - b _ 2o _ 3玻璃在落塔實驗中的分相，為解釋玻璃在不同重力條件下的熔化和分相等現象提供了理論依據。
  6. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象，在闡述了曝氣過程式控制制參數選取可行性的基礎上，建立了以溶解氧濃度do和活性污泥排放量qw為控制變量，以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論，在現有關于污水處理最優控制問題研究的基礎上，建立了有約束條件多變量能耗最小數學模型，該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件，曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化，並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元，應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解，並進行模擬實驗驗證。
  7. Weather modification refers to efforts aimed at rain or snow enhancement, hail suppression, rain suppression, fog dispersal, frost prevention by exerting, under appropriate conditions, artificial influence on local atmospheric physical and chemical processes through scientific and technological means, in order to avert or mitigate meteorological disasters and rationally exploit climatic resources

    五）人工影響天氣，是指為避免或者減輕氣象災害，合理利用氣候資源，在適當條件下通過科技手段對局部大氣的物理、化學過程進行人工影響，實現增雨雪、防雹、消雨、消霧、防霜等目的的活動。
  8. Constrained to technologies, the lead - acid battery mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current, etc. the charging current of these methods cannot match efficiently the acceptance curve of the lead - acid battery proposed by j. a. mas. as a result, some of these methods have a low time efficiency and incompleteness charging. and some of them lead to overcharge and gas - generation, which will result in low - efficiency, time - consuming and prone - to - damage of the charging operation

    鉛酸蓄電池由於受到技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規充電模式，這些方法的充電電流未能有效的遵從馬斯所提出的可接受充電電流曲線，因而有的充電方法時間效率低、充電不完全;有的則存在著過充電和析氣等現象，並導致充電過程的低效，耗時和易損。
  9. The charging of lead - acid battery, the most widely accepted secondary battery, constrained to technological limitation, mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current and etc. those methods may not follow the internal physical and chemical laws within the battery, leading to serious overcharge and gas - generation, and resulting in low - efficiency, time - consumming and prone - to - damage of the charging operation

    二次電池中被最廣泛接受的鉛酸蓄電池由於技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規模式，這些充電方法未能遵從電池內部的物理化學規律，大多存在著嚴重的過充電和析氣等現象，並導致充電過程的低效，耗時和易損。
  10. Since the suggested method makes a significant improvement in wind speed, it is more suitable for wind field estimation over complex terrain than other methods which only concerns the effect of distance. then we calculate the wind change with evaluation, last we can conclude the wind abase the hilly terrain, we find the wind in westward and center plain is much smaller than other area. while the wind in northward hilly area is much bigger with the hilly arising. the wind of chongqing is the biggest period in spring ( april ), the smallest period in winter ( january ), the wind in summer ( july ) is bigger than its in autumn ( october )

    本文利用重慶及其周邊地區的常規氣象站的1951 ? 1980年30年的風速平均資料，針對復雜地形風速診斷，以地理信息系統為數據處理平臺，根據重慶1 ： 25萬dem數據，來獲得重慶市實際復雜地形的高程，提出了一種適合於起伏地形的權重內插方法，通過引入一個表示地形起伏變化程度的因子，構造了一種新的權重函數，來處理復雜地形上的風速，通過與只考慮距因素同反平內插方法比較發現，本方法更適合在起伏地形條件下使用；然後根據經驗公式在地形上進行計算，得出重慶地區起伏地形下的風速分佈；得出重慶市的西部、中部平原地帶風速較小，而北部山區隨海拔高度升高風速也較大；重慶市風速最大時期為四月份，冬季一月份最小，夏季（七月份）大於秋季（十月份） 。
  11. The result indicated that the diurnal changes of net photosynthetic rate ( pn ) of cynanchum komarovii displayed significantly less symmetrical two - peak pattern, with a predominant peak in ll : 00am and a small peak in 16 : 00pm. on hot bright sunny day

    結果表明： 1 、在夏季晴朗天氣條件下，牛心樸子光合速率日變化呈現雙峰現象，第一峰出現在上午11 ： 00左右，第二峰出現在16 ： 00左右，第一峰值明顯高於第二峰值。
  12. Based on the theory of glow discharge, the angle distribution of electron and the recombination process are simulated by adopting monte carlo method. the doping process of n - type diamond film is investigated by this method for the first time. the results indicate : 1 ) the scattering angle of electrons near the substrate is mainly lange - angle, which is helpful to grow diamond film over a large area when glow discharge is kept ; 2 ) after considering the recombination process, the number of particles distribution is provided

    主要結果如下： （ 1 ）研究了電子在雪崩碰撞和分解電離后的角分佈情況，結果表明基片附近電子的散射以大角散射為主，在維持輝光放電的條件下，較高的偏壓和工作氣壓對金剛石的橫向連續成膜是有益的； （ 2 ）考慮了低溫合成金剛石薄膜過程中電子與各種碎片粒子的復合過程，給出了不同的復合系數情況下的粒子數分佈，結果顯示各種碎片粒子的分佈隨復合系數的變化會出現粒子數分佈的漲落現象。
  13. It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed

    結果表明：在一定的床層結構和操作條件下，超細粉可以在導向管噴動床中實現平穩流化，從而為改善超細粉的流化質量提供了一種有效的新方法；固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比；氣體則基本上不存在「旁路」現象；環隙區中的顆粒流動表現為一移動床特徵。
  14. Induced by geological, geomorphological and hydrogeological features and human activity, wide - spread geological hazards such as debris flows, landslides, land collapses and potential unstable slopes often occur in danba, sichuan

    摘要受地質、地貌、水文氣象條件及人類活動的影響，丹巴縣泥石流、滑坡、崩塌及潛在不穩定斜坡地質災害呈現分佈廣、成災快、危害大等特點。
  15. Abstract : have connected with ir target signature research, this paper deals with the principle and realization for the ir imaging terminal - guidance technology of an air - to - air missile in clutter backgrounds. the radiation signature of clutter earth backgrounds is analyzed, and the comprehensive analysis of the target ir radiation signature types of a military jet fighter as the mainly attacked target for air - to - air missile is gave. also we discusses the extraction and algorithm for target ir signature

    文摘:本文結合對目標紅外特性的研究，論述了在復雜背景條件下空-空彈紅外成像末制導技術的原理和實現，分析了地面背景的輻射和散射的特徵;綜合分析了軍用噴氣式戰斗機作為主要被攻擊對象的紅外輻射特性，並給出了目標紅外特徵提取的多種方法和演算法
  16. The research presents the characteristic of organizational culture of this junior school detailedly and really through qualitative approach and quantitative approach. the conclusion suggests that exoteric index of x junior school is low with controlling climate ; x junior school has improved school installment so as to promote school image and encourage the members of school ; the institution culture of x junior school is in the period from budding to progress

    實地研究結果證明， x中學開放指數低，屬于控制型組織氣氛； x中學在現有條件下，改善硬體設施，提升了學校形象，對全校師生員工的士氣起到了一定的激勵作用； x中學的制度文化正處于萌發期向成長期邁進的建設階段，其現行內部規章制度多為向外借鑒的結果，特色不明顯，但正在積極總結自身經驗，並將這些經驗科學化、規范化。
  17. When several coke ovens are connected in parallel, there are many external disturbance factors, as well as complex coupling relations, so the discharge header pressure system of coke oven is a complex multivariable control system and there is no mathematical model up to now

    在多座焦爐並聯生產條件下，集氣管壓力控制對象存在復雜的耦合關系，且尚無精確的數學模型，這就給集氣管壓力控制系統的設計帶來困難，難以實現精確的控制。
  18. This means that the dielectric property changes with height and allows a slight increase in the speed of a radio wave as we move upwards through the atmosphere. this in turn means that if a radio wave moves away from the earth at an angle less than 90 degrees, then the upper part of the wave travels faster than the lower part. therefore even under normal conditions this can in effect bend, or refract, the wave back down to earth

    其中一種顯著的現象是：在一定的氣象條件下，在大氣邊界層尤其是在近地層中傳播的電磁波，受大氣折射的影響，其傳播軌跡彎向地面，當曲率超過地球表面曲率時，電磁波會部分地被陷獲在一定厚度的大氣薄層內，就好像電磁波在金屬波導管中傳播一樣，稱為大氣波導傳播，形成波導傳播的大氣薄層稱為大氣波導層。
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