氣時空速 的英文怎麼說
中文拼音 [qìshíkōngsù]
氣時空速
英文
gas hourly space velocity- 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...
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 時空 : space time:[相對] space time continuum時空點 event; 時空度量 space time metric; 時空反演 space ti...
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Wind speed is the speed of the air flow. it is usually expressed in kilometres per hour or as a force on the beaufort scale
風速是指空氣的移動速度,一般以公里每小時或蒲福氏風級來表示。The thesis focuses on the development of the dynamic simulation model of evaporators, the accomplishment of the stable and dynamic simulation of the parameters of cryogen - side, air - side and how to carry out dynamic simulation on the refrigerating effect of evaporators under different evaporating temperature and the realization of the analyses and calculations of the main parameters, such as, the wind speed of air - side and specific humidity etc, which affect the function of evaporators
本文重點是對蒸發器建立動態模擬模型,並對製冷劑側和空氣側參數進行穩態和動態模擬,同時對蒸發器在不同蒸發溫度下的製冷量進行了動態模擬,而且對影響蒸發器性能的主要參數(空氣側入口風速、入口含濕量等)進行了分析和計算。When heavy bleeding occurs, the injured will have these clinical features : pulse accelerating but weakening, blood pressure dropping, feeling thirsty, skin perspiring, cold and pale, feeling feeble and weak, feeling restless, respiration shallow and quick, showing signs of air hunger and cyanosis
當大量出血時,傷者會出現以下之臨床表徵:脈搏快而弱血壓下降口渴皮膚濕冷及蒼白軟弱無力情緒不安呼吸淺速出現空氣饑及神智不清等情況。" at this rate we will not see new standards in place until late 2009 at best ", said mr. salter, " we call on the government to move into the fast lane to protect the peoples health, with new, who - linked air pollution standards and a comprehensive plan of implementation ready to go by july 2007.
宋利民認為:以現時的速度,最快也要於2009年方可落實新標準。本會呼籲政府加快步伐,采納世衛修訂的全新空氣質素標準,並制訂完善計劃,於2007年7月落實執行。Gatling estimated that debris from the destroyed chinese weather satellite was travelling at some 17, 000 miles an hour ( 27, 000 kilometers an hour ) and would stay in space for three to five years
格林估計,被摧毀的中國氣象衛星碎片每小時的速度大約是17000英里(每小時27000公里) ,並且會留在太空3到5年的時間。During winter nights and under clear skies, the ground surface is cooled rapidly by radiating heat off to space. the air temperature near the ground will also fall and when the grass temperature drops below zero degrees celsius, hoar frost will form by direct sublimation of water vapour onto the grass surface
在冬天的晚上,如果天氣晴朗,地面的熱量會透過輻射快速散失,貼近地面的空氣也同時降溫,當草面溫度降到攝氏零度以下時,空氣里的水蒸氣便會在草面凝華成為白茫茫的霜。By the study, it proved gis to be an indispensability means in the hydrological study. it will exert important function on reasonably using real time space distributing information of hydrology and weather obtained by remote sensing technology, conveniently and rapidly updating hydrological subject database, setting up distributing course model that can reflect hydrologic phenomena and discipline, realizing hydrologic forecast real time, linking up the drainage area model, ground water model and surface water model and then establishing the gis of hydrology theme
利用gis技術進行水文模擬,仍有許多難題需逐步解決,模擬精度也有待提高,但是地理信息系統在水文研究中的作用卻顯得日益突出,它將在合理利用水文遙感技術獲得的水文、氣象等實時空間分佈信息,方便快速地更新水文專題數據庫,建立反映水文現象客觀規律的分佈過程模型庫,實現實時水文預報,實現流域地面模型、地下水模型和地表水模型的定位銜接及最終建立水文專題地理信息系統等方面發揮重大作用。Great difference in pressure for two flow made pressure wave system and it help to extend the delay time for gas in chamber, which increases combustion effusion. second, to increase combustion effusion, the inlet temperature of air and gas should be enhanced in the range of heat releasing in chemical reaction. third, the first work condition is unburned absolutely and the second work condition is burnt in shear layer of inlet and the end of down wall zone in straight segment
對于壓力差很大的兩股氣流,所形成的壓縮波系的結構可以增加燃氣駐留時間,提高燃燒穩定性;為了提高擴散燃燒的效率,在保證能放熱的化學反應溫度范圍之內,應適當提高燃氣及空氣的來流入口溫度;燃氣噴嘴應居於燃燒室軸線上,是改進超音速燃燒室結構的一種思路。Air filtration portfolio, air filters, valve, oil mist machine, filter valve, oil mist separator, micro - mist separator, stability activated solenoid valve, pressure gauge, micro - valve and vacuum valves, links the release of the closure - pressure valves, and pipe connection, a one - way valve, t - shelves, shelves, brackets, diaphragm - type flow switches, blades type flow switches, further growth actuator, the valve lock, precision valve, pressure switches, mechanical pressure switches, pneumatic control ratio positioning devices, and electric - gas ratio positioning devices, and telecommunications - pressure converters, electro - pneumatic proportional valve, filter valve, shuttle valve, gas - electric relay and gas indicator, delay pneumatic valve and cylinder fcl, plumbing fcl, mufflers and exhaust cleaner, the excess flow valve with silencer, a one - way valve, rapid valve, rapid joints, rapid valve with fcl, rapid joint sub - cluster gas, micro joints, gas pipes, pipe from the devices, and helical coils, pipes, channels, scissors, multiple fastener, high - speed rotary joint, 10000 threaded joints, and insert the tube joints, rotary joints began, 68. 25 rapid joints and hoses, hose fittings and rapid non - electrostatic
空氣過濾組合空氣過濾器減壓閥油霧器過濾減壓閥油霧分離器微霧分離器穩定啟動電磁閥壓力表微型減壓閥減壓氣閥三通釋放式截流閥壓力開關管接頭單向閥t型隔板隔板托架膜片型流量開關漿葉型流量開關增速繼動器鎖定閥精密減壓閥壓力開關機械式壓力開關氣控比例定位器電-氣比例定位器電訊號-氣壓轉換器電-氣比例閥過濾減壓閥梭動閥氣-電繼電器氣源指示器氣動延時閥氣缸限流器管道限流器消聲器排氣潔凈器限流閥帶消聲器單向止回閥快速排氣閥快速接頭快速排氣閥帶限流器快速接頭集束分氣微型接頭氣喉管喉管脫離器螺旋管排管管道剪刀多管扣件高速旋轉接頭萬用螺紋接頭插入式管接頭旋式緊鎖接頭難燃性快速接頭和軟管不帶靜電快速接頭和軟管At the same time, the mathematical models of the electric field and the flow field distribution were established from the theory of electrostatic enhancement of heat transfer. employed finite differential method and over - relaxation iteration method, according to certain boundary conditions in the wire - plate electrode space, the electric field and the flow field in the wire - plate space were numerically simulated under different initial velocities of r11 stream and different magnitudes of applied voltage. the calculation results agreed with theoretical analysis satisfactorily
同時從靜電強化換熱理論出發,建立了表徵線板電極間的電場和流場分佈的數學模型,並根據線-板電極間的邊界條件,利用有限差分法和超鬆弛迭代法,分別就不同氣流初速度和不同外施電壓的情況下,對線-板空間的電場和流場進行了數值模擬,計算結果與理論分析基本一致。While the speed is very large, the fuel - air mixing behind the airstream is decreased and the span that the fuel flow in the second combustor is reduced, so the combustion efficiency is decreased, h ) if the fuel streams impinge with the airstreams directly at the air - inlet exit, it make against increasing the combustion efficiency, i ) increasing air - to - fuel ratio within proper range can increase the combustion efficiency
增加燃氣噴射速度有利於增強迴流區強度,頭部燃燒溫度上升,但速度太大則會減弱燃氣同空氣在進氣道下游的摻混燃燒,減少燃氣在室內停留時間,燃燒效率降低; 8燃氣射流與空氣流在進氣道出口直接撞擊不利於燃燒效率的提高; 9在適當范圍內增大空燃比能顯著提高燃燒效率。Speed system - a foot - operated system that increases a paraglider ' s airspeed and decreases its stability. normally, never applied fully unless the conditions are calm
加速器(系統)可以使飛行者飛行時增加飛行空速(相對減少飛行傘穩定性)之用腳操作之加速系統。通常情況下是不太會使用到,只有在天氣情況改變下使用。It was still a technical problem on how to add the air to the reactor in so small pressure difference. in addition, the photocatalytic reaction efficiency was very low at the high speed. the reactor will be large, the price will be very high and the electricity will be enormously consumed during the photocatalytic - oxidation of h2s in the methane
主要原因是沼氣中不含氧,使用時氣體流速大,壓差小,而用光催化氧化方法消除h _ 2s需要有相當量的氧參與,在壓差很小的情況下,一次空氣的加入存在技術困難;在高氣體流速條件下,光催化效率低,若用光催化方法消除h _ 2s ,反應設備龐大,耗電量高,價格昂貴,農民難以負擔。The cloud characteristics included differences in the ease with which moist air in the tropics travels into the upper atmosphere, the speed with which raindrops fatten and the level of humidity required for clouds to form
雲層的特徵包括熱帶的潮濕空氣緩慢流向高層大氣時出現的種種區別,也包括雨滴變大的速度與雲層形成所需要的濕度。Aiming at illustrating how the regional evaporation capacity was affected by human activities, this paper, by adopting statistics method, analyzed the materials covering fifteen evapotranspiration sites in chao lake valley spanning twentity years from 1981 to 2000, and then explored the relationship between the features of spatial distribution of evapotranspiration and relief, temperature, wind velocity, the amount of precipitation and other factors, as well as on the characteristics of evapotranspiration variation within a year and the trend of its annual changes
採用了統計學方法,對巢湖流域15個蒸發點20年( 1981 - 2000年)的資料進行了分析,初步探討了巢湖流域的蒸發量空間分佈特徵與地勢、氣溫、風速、降水量等因子的關系,以及蒸發量在1年內的變化特徵和年際變化趨勢,試圖說明研究時段內人類活動對區域蒸發量的影響。The speed of sound in air at ordinary temperatures is about 1, 100 feet per second, which is about one mile in five seconds or about 700 miles per hour
聲音在空氣中的速度在常溫下約為每秒1100英尺,即大約每5秒1英里或者大約每小時700莢里。The cyclone is swirling over the pole at 350 miles ( 550 kilometers ) an hour, whipping up saturn ' s ammonia clouds at speeds much higher than the winds inside jupiter ' s great red spot
暴風以550公里每小時的速度在極點上空打轉.以比木星大紅斑風速還高的速度抽打著土星上的氨氣雲A good sensory sniff is 32 kmh. a sneeze will shoot out of the nose at 160 kmh )
當我們哧哧地聞嗅時,空氣的時速可達32公里。The task in the open loop system is to get lpg injection duty ratio in pre - set two dimension map according to practical engine operation condition, while the task in the closed - loop system is to calculate lpg injection duty ratio by the approaching increment method or the proportion and integral ( pi ) controller according to the signal of the oxygen sensor. to eliminate the oscillation phenomena of the signal of the oxygen sensor in low - speed condition, this paper develops the stable increment method
開環階段根據實時工況參數對事先制取的噴氣占空比map圖執行取值操作;閉環階段根據氧傳感器反饋信號通過增量逼近法或pi環節計算輸出適合即時工況的噴氣占空比值;為解決低速振蕩現象,本文運用固定增量法,對系統進行低速振蕩微調。When the atmosphere is moist and unstable, the air rises and causes cumulus clouds to further develop. with strong convection, they can develop into cumulonimbus clouds. cumulonimbus is common in summer, sometimes bringing rain and thunder
當水汽充裕大氣不穩定時,空氣上升,便會加速積雲本身的發展,再加上強勁的對流,積雲會發展成另一雲種積雨雲,尤其在夏天,會經常發生,有時還帶來雷雨。分享友人