排汽段 的英文怎麼說
中文拼音 [bèiqìduàn]
排汽段
英文
exhaust portion-
Lev ( low emission vehicle ) is the vehicle which has low emission including lpgv, cngv, hybird car, electronic vehicle and other car which can take some ways to reduce the emission
清潔汽車是指低排放的燃氣汽車（ lpgv 、 cngv ） 、混合動力汽車、電動汽車以及採用多種技術手段大大降低排放污染的燃油汽車以及其它代用燃料汽車。Analysis of experimental data indicates that there exist several following problems during the whole operation : first, the emission is serious and the density of hc and co smoke is very high at on and off period. second, there is oil dripping from the dripping vitta as a result of the fault of ignition system and combustion structure. the last, there might be accidents of disabled ignition resulted from the improper operation at the beginning
通過對樣機的試驗分析和研究表明，汽車空氣燃油加熱器在整個工作過程中，其排放存在以下三個問題：一、開機和關機兩個階段的排放問題嚴重，廢氣中hc和co的濃度值及煙度測量值都很高；二、因點火系統和燃燒結構的缺陷而導致開機后一段時間內有油滴從滴油管滴落；三、在點火過程中，會出現因操作不當而點火失效的現象。China will start to implement the national phase iii and phase iv auto vehicle emission standards in 2007 and 2010, respectively, as learned from the national environmental science and technology conference recently held in beijing
從最近在北京舉行的國家環境科技會議上得知，中國將會在2007年和2010年分別執行國家的第三和第四階段汽車排放標準。According to an official of the department of science, technology and standards of the state environment protection administration, implementation of these two sets of standards could cut the emission of road vehicles by 1. 8 million tons in nitric oxide, 2. 2 million tons in hydrocarbon and 16 million tons in carbon monoxide between 2008 and 2012
環保總局科技標準司負責人說，從2008年到2012年，實施這兩個階段的標準將會使道路上汽車排放的氧化氮減少180萬噸、碳氫化合物220萬噸、一氧化碳160萬噸。Based on the statistic analysis on test data, the status quo of evaporative emission from light - duty gasoline vehicles relative to 3 ( superscript rd ) phase national emission standard is presented
摘要通過對大量的試驗數據進行統計和分析，確定現階段我國輕型汽油車適用國法規的蒸發排放現狀。It uses electronic control technology and places an oxide sensor in emission system, then according to the change of the rate of the air to fuel, adjust automatically the ejection of fuel. so it can improve dramatically the automobile performance. after installing three - way catalytic converter, it can make the pollutions lower 20 % ~ 50 % than the same vehicle, and the power of car reduce only 5 %
對于適合我國現階段的電子閉環控制lpg燃料混合系統進行研究，此方法採用電子控制技術，在排氣系統中安裝了氧傳感器，可以根據排氣空燃比的變化，自動反饋調節供氣量，使燃氣汽車性能得到改善，安裝三元催化轉換器后，可以使污染物排放較同等水平的汽油車降低20 - 50左右，而發動機功率下降僅達5左右。This paper analyses the cause of knock phenomena of vehicle engine, its detection method and the way to avoid it by electronic control unit ( ecu ) for vehicle engines. a brief discussion about the ecu structure, control principle and software are presented. through the electronic control, the dynamic performance, fuel economy, and exhaust emission of the engine are considerably improved
本文對發動機爆震現象的產生原因、檢測手段和利用電子控制系統防止爆震的方法進行了剖析研究.簡述了電控系統的組成、控制原理和控制軟體.電子控制使汽車發動機的動力性能、經濟性和排放污染得到了很大的改善The project based on the present level of technology to control exhaust of car, and the shortage application for cool egr in our country, aimed to research a kind of cool egr system which could adjust egr temperature automatically according to different working conditions of internal combustion engine. so the intelligent cool egr would be realized to decrease nox from car, which can satisfy the roul of low emission in our country
本課題基於我國當前汽車排放技術相對落後的現狀，針對我國現階段汽車發動機冷卻廢氣再循環（ egr ）應用較少的問題，研製開發出一種能根據發動機不同工況調節egr冷卻溫度的外部冷卻egr系統，以實現冷卻egr的智能控制和精確控制，減少汽車尾氣中nox的含量，滿足國家的排放法規，減少汽車尾對環境的污染。The environment pollution caused by the exhaust gas from automobiles becomes more and more serious. due to the impetus on environmental consciousness and emission control regulations the need for highly efficient combustion engines has led to a quest for an efficient solid state oxygen sensor
汽車排放帶來的大氣污染日益嚴重，目前較為有效的治理手段是採用閉環電子控制系統加三元催化轉化器，在這個系統中氧傳感器是保證系統正常工作的關鍵部件。Limits and measurement methods for emissions from light - duty vehicles
輕型汽車污染物排放限值及測量方法中國iii iv階段The condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure
建立了空氣冷卻實驗臺，熱管的加熱方式為電加熱，工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗，得出分離式熱管有一最佳充液率，其值為45 %左右；凝結換熱系數隨著蒸汽壓力的增加略有降低，在實驗的壓力范圍內，降低了9 . 5 % ；不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分，通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱；隨著壓力的增加，不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制Abstract : the condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure
文摘:建立了空氣冷卻實驗臺，熱管的加熱方式為電加熱，工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗，得出分離式熱管有一最佳充液率，其值為45 %左右；凝結換熱系數隨著蒸汽壓力的增加略有降低，在實驗的壓力范圍內，降低了9 . 5 % ；不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分，通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱；隨著壓力的增加，不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制Mathematical simulation of automotive exhaust catalytic converter in exhaust system of cold - start engine
汽車尾氣三效催化器排氣系統冷啟動階段數值模擬One experimental clean - energy car runs on natural gas. another uses ethanol distilled from corn. a third has a zero - emissions electric motor powered by a hydrogen fuel cell
一輛尚處于實驗階段的清潔能源汽車依靠天然氣行駛。另一輛使用從穀物蒸餾而來的酒精。第三輛則裝有由氫燃料電池提供能量的零排放發動機。分享友人