排汽速度 的英文怎麼說
中文拼音 [bèiqìsùdù]
排汽速度
英文
velocity of exhaust-
If the ices had been rapidly vaporized by an impacting object, the expanding gases might have helped the ejected fragments reach escape velocity
如果這種（永久凍結）冰由於物體的沖擊力而迅速汽化，則形成的體積不斷膨脹的氣體可能有助於排出的碎片達到逃逸速度。By changing the tube into d shape ( semicircle ), the pallet can fully contact with the tubes ( re. picture 2 ), the cooling speed can be shortened by the contact surface increased
如果把管子的形狀改成d形（半圓形） ，托盤在管子上的接觸為平面接觸（如圖2所示） ，接觸面積比圓管大大增加，熱量以最快的速度從托盤傳至排管並由管內的冷劑蒸汽帶走。Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street
輕軌運輸系統lrt源起於歐洲街道電車street car ，街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落，但隨著都會地區機動車輛不斷增加，道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際，輕軌車輛技術已不斷提升，具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計，搭配先進控制系統及彈性的路權型式，使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點，如高性能輕軌列車與汽車共存，低底盤的車廂創造無障礙車站空間，道路即是車站設備，旅客可以在街區上下車，提供沿線居民高度的便利性，消除交通堵塞噪音及空氣污染等，輕軌系統並與街景充分的調和，成為活動的都市意象。Computer fluid dynamics ( cfd ) is adopted to simulate the flow fields of catalytic converter while researching the working process of emission postprocessor. the velocity field and pressure field of exhaust gas are obtained. methods of structural optimization of catalytic converter for improving gas flow and conversion efficiency are proposed
本文在汽車排氣后處理裝置工作過程研究方面，運用計算流體動力學軟體，對催化轉化裝置氣流場開展了模擬，得出了氣體速度場和壓力場的分佈情況，提出了以改善氣體流動和催化轉化效率的催化轉化裝置結構優化的方案。The results of study show that the transmitting speed of flame is slower and the combustion duration is longer than gasoline. the combustion status of lpg is improved, but the problem of long combustion duration also exists when speed and load are increased. it is useful to adjust ignition timing, but nox emission increase
通過研究認識到： lpg燃燒時火焰傳播速度比汽油慢，燃燒持續期比汽油長；隨著轉速和負荷的增大， lpg燃燒狀況得到改善，但仍出現后燃期長，熱量利用不充分等問題；點火提前角的調整有利於lpg的燃燒，但使nox排放升高。When the condensation of water increases, the bucket loses buoyancy and makes the machinery reversely seal to generate differential pressure, the main valve opens and obtains large displacement, steam equipment prompt starts to maximize the thermal efficiency of steam equipment
當凝結水量增大時，吊桶失去浮力使得機構反向密封而產生壓差，主閥開啟而獲得大排量，用汽設備迅速啟動，最大限度地發揮出用汽設備的熱效率。Most scientists agree that the overall effect of the direct andindirect feedbacks caused by increased water vapor content of theatmosphere significantly enhances the initial warming that caused theincrease - that is, it is a strong positive feedback. ( [ 2 ], see b7 )
作為一種間接機制，水汽可以被認為處于溫室效應的正反饋環節中，即二氧化碳等人類排放的溫室氣體增加》導致地球平均溫度升高》加速水氣蒸發和增加空氣中水汽含量》溫度繼續升高= 》重復前面循環。 。 。For now, carmakers are expected to rein in expansion, trim prices and gird for a shake - out to cull weaker players. shanghai volkswagen s chief, joerg blecker, said his firm is focused on cutting costs, but does not have plans for further price cuts. " if carmakers continue to rely on pushing out new models and cutting prices, it s unlikely there ll be any improvement, " said xu xiang at southern securities
2003年，福田汽車產銷量全國排名第五，位列2003年中國企業500強第88位，被財富雜志評為中國上市公司100強之一和中國最具發展潛力上市公司50強之一在紀念中國汽車工業50周年評選中，福田汽車被評為「發展速度最快，成長性最好」的企業，公司總經理王金玉榮獲「中國汽車工業五十年傑出人物」稱號，時代輕卡被評為中國輕卡行業第一品牌。The author studies the mechanism that automobile emission pollutant engenders and its inspection theory, from the perspective of simulating vehicle operating actually, the author treats acceleration simulation mode as test method by comparing and analyzing inspecting automobile emission method
作者對汽車排氣污染物的生成機理和檢測原理進行了深入研究，通過對檢測汽車尾氣方法的分析，從模擬車輛實際行駛的角度出發，確定了加速模擬工況法作為本測試系統的檢測方法。分享友人