氣流受限 的英文怎麼說
中文拼音 [qìliúshòuxiàn]
氣流受限
英文
airflow limitation- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
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Because uav is smaller and lighter than normal plane, the miniature aerial rs system is easily effected by wind, its " stabilities of position and stance are not good. because the load of uav is so finite, the large professional aerial photogrammetry camera can not be installed
微型無人機遙感由於受到無人機平臺體積小、重量輕、任務載荷有限等因素的制約,在飛行作業中傳感器位置和姿態受氣流影響大、穩定性差,而且目前是非專業攝影機成像,這些都大大增加了其影像幾何糾正處理的復雜性。However, in our nation, the research on gan - based microelectronic devices is in the early stage, and a great deal of vestigation is still needed to perform on separative processes of gan devices. due to the lack of algan / gan heterojunction materials in the country, a few researches on algan / gan were made, and the investigation on schottky rectifiers is much less
在國內, gan基微電子器件的研究剛開始起步,制備gan分立器件的工藝尚處于探索研究階段,特別是受algan gan二維電子氣材料來源的限制,國內algan gan基的場效應晶體管的研究開展得較少,關于肖特基整流二極體的研究更少。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」 。However, one of the most serious impediments to wider use and improve precision of psi is its sensitivity to external vibration with the consequence that psi has rarely been used in a manufacturing in - situ and some special situations, such as that the optical path is very long or the detected unit is very large
通過嚴格控制環境條件(溫度、氣流、振動等) ,其理論光程差(位相)的最小解析度可以達到nm的數量級。然而,由於干涉計量測試靈敏度高、精度高,對外界振動非常敏感,使它的應用范圍受到限制。Water dielectric pulse power modulator has been widely applied because of its merits of high energy storage density, compactness, and capability to drive low impedance high power microwave sources. research for multi - pulse operation of high power spark gap switch with high current and comprehending its physical properties are the basis to study multi - pulse operation or repetitive operation of water dielectric pulse power modulator
水介質脈沖功率調制器具有儲能密度高,結構緊湊、與低阻抗微波源較好匹配的特點,因此得到廣泛的應用,但是受到高功率、大電流氣體開關的絕緣恢復的影響,水介質等低阻抗脈沖功率調制器的重復頻率運行或多脈沖運行受到較大的限制。Ceramic fuel cells are electrochemical devices that directly convert fuels such as gasified coal or natural gas into electricity without the limitation of the carnot cycle ( an ideal thermodynamic cycle in which heat is taken onto a working fluid at a constant upper temperature and rejected at a constant lower temperature )
陶瓷燃料電池是一種電氣化學裝置,能直接將煤氣、天然氣等燃料直接轉化為電能而不會受到卡諾循環(一種理想的熱力循環,熱量在恆定高溫下轉化成工作流體,在恆定低溫下被釋放)的限制。Yl series single phase two value capacitor induction motor is designed and manufactured in accordance with state standards, with outstanding performance of starting and operation, low noise, compact dimensions, light weight, easy maintenance, etc. these motors are widely used in air compressors
Yl系列單相電容起動電動機符合iec標準,適用於要求起動轉矩大且對起動電流小電力供應受限制的地域,可廣泛應用於水泵空氣壓縮機農業建築業製造業。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。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。By procceding from the all - gaseous state navier - stokes equation and using eno difference scheme, the limited cold - flow jets produced by ignitors are numerically simulated in srm chamber. then the flow field structure and characteristics are analyzed
從曲線坐標下的完全氣體n - s方程出發,採用eno差分格式,對點火發動機工作初期,在固體火箭發動機內腔形成的受限冷噴流流場進行數值模擬;在此基礎上,分析了噴流的流場結構及特性。Abstract : by procceding from the all - gaseous state navier - stokes equation and using eno difference scheme, the limited cold - flow jets produced by ignitors are numerically simulated in srm chamber. then the flow field structure and characteristics are analyzed
文摘:從曲線坐標下的完全氣體n - s方程出發,採用eno差分格式,對點火發動機工作初期,在固體火箭發動機內腔形成的受限冷噴流流場進行數值模擬;在此基礎上,分析了噴流的流場結構及特性。In order to determine thermal loading and working pressure of nozzle inner contour, the gas was regarded as one dimensional isentropic flow, and temperature field of nozzle was computed based on three - dimension finite element model
將燃氣簡化為一維等熵流以確定噴管內型面所承受的溫度和壓力載荷,基於三維有限元模型,計算了噴管的瞬時溫度場。When control is maintained, treatment can be stepped down in order to find the lowest step and dose of treatment that maintains control
作為哮喘診斷和控制評估的關鍵,氣流受限可變性的重要性增加。分享友人