排氣段 的英文怎麼說
中文拼音 [bèiqìduàn]
排氣段
英文
devolatilizer-
The following are the large projects undertaking by haifeng company : crude oil electricity plant project of north china oil field hydroelectricity factory, apartment ( 22 stories ) of yuanda real estate company of dalian shipping group, helios hotel of helios group in dalian development zone, tilt aqueduct bridge of shanxi hongqi reservoir ( total span : 267m ), supply and sale building and city construction building ( both are antique architectures ) of shanxi heyang city, sea drainage pipe of hainan fudao fertilizer factory ( 1520 ), 8 oilgas docks of hainan haiyan oilgas company, basha condensable gas transfer station of haiyan company, 10, 000m3 oilgas storage tank of arco company ( usa ) in hainan nanshan, gas pipe and fuel gas installation project of hainan nanshan electricity co., ltd, base and accessory project of hainan gas company, bei da huang cereal and oil market in harerbin, hainan cross island pipe, changhuajiang river pipe crossing project, taihangshan mountain earthwork project ( the 19th section of west - to - east gas transmission project )
海南海峰公司承建大的工程項目：華北油田水電廠原油發電站工程；大連船泊集團遠達地產公司的遠達公寓（ 22層） ；大連開發區香港太陽神集團的太陽神大酒店；陜西紅旗水庫斜拉渡槽工程（全跨267m ） ；陜西合陽供銷大樓及城建大樓（均為仿古） ；海南富島化肥廠排海管線（ 1520 ） ；海南海燕油氣公司八所油氣碼頭；海燕公司白沙液化氣中轉站；海南南山美國阿科公司儲油氣萬立米大罐工程；海南南山電力股份有限公司天然氣管線及燃氣安裝工程；海南南海天然氣有限公司基地及配套工程；哈爾濱北大荒糧油批發市場；海南環島管線；昌化江穿越工程；西氣東輸十九標段，太行山土石方工程。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。Big drops were dripping from a broken waterspout, and a ray of gaslight slipped from mme bron s window and cast a yellow glare over a patch of moss - clad pavement, over the base of a wall which had been rotted by water from a sink, over a whole cornerful of nameless filth amid which old pails and broken crocks lay in fine confusion round a spindling tree growing mildewed in its pot
大滴大滴的水珠從水管的裂縫中滴下來。一道煤氣燈的燈光從布太太的窗子里射進來，把一段長了苔蘚的路面一段被廚房的排水溝的污水侵蝕了的墻根及整個堆滿了垃圾的角落映成了黃色，垃圾中有舊水桶和破壇碎罐，一口破鍋內竟然長出了一棵瘦小的衛矛。The waste gases must be vented from the forehearth sections.
廢氣必須從通路段排除。As stated in paragraph 2 of appendix to annex 4. 8 of volume two of ifp, vitiated air from the tunnel is discharged vertically from exhaust shaft of the ventilation building
建議邀請書第二冊附件4 . 8的附錄的第2段註明，隧道的濁氣會由通風大樓的抽氣塔垂直排出。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。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect
主要結論如下：熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和速度不相容；峰值振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱，凡是影響激波形成及運動的因素都將對峰值振蕩頻率、冷效應及熱效應產生影響；當充、排氣時間比為0 . 1763時，最佳射流激勵頻率出現在高階峰值振蕩頻率上。However, this dissertation mainly focuses on diesel catalyst aging mechanism including heat deterioration and performance degradation caused by toxic substance. following the above conclusions, a fast aging test cycle is produced which consists of three stages
論文的主體分析了柴油機氧化催化劑的老化機理，主要是熱失活和化學中毒老化，研究了我國主要幾種柴油機的排氣溫度特性，並在催化劑老化機理基礎上提出車用柴油機氧化催化器快速老化試驗循環，即三段式老化循環。In the beginning of cold - start, the monolith is heated only by the gas ; after light - off, the monolith is heated by the heat released by the chemical reaction
在冷起動初始階段，載體僅受排氣的加熱;當載體的溫度達到起燃溫度后，化學反應伴隨的放熱進一步加熱載體，使其溫度迅速上升。The screws have vending nozzles in two sections to release the surface vapour of sbs and sebs
具兩段排氣的螺桿有利於排除一些sbs或sebs粒子的表面濕氣Firstly, based on the basin prototype, the triassic and jurassic mudstone and coal, the main source rocks of the basin, did not develop better in baicheng sag than in the northern thrust belt including keyi structural belt ; secondly, because of the thrusting happened in late cenozoic, the triassic and jurassic source rocks reach to a high to over high maturity and thus generate gas or condensate oil mainly. thirdly, the thrust faults compelled the natural gas to migrate from the north to the south or from the deep to the shallow. as a result, the keyi structural belt and the eastern qiulitage structural belt enriched in natural gas because they were not only located on the migration routines of the natural gas, but also developed simultaneously when the gas migration happened
從盆地構造史研究的角度認為庫車盆地的天然氣主要來源於北部山前沖斷帶： 1受原型盆地構造格局的制約，三疊系侏羅系烴源巖發育的最有利位置不是在拜城凹陷，而是在克依構造帶及其以北的北部山前沖斷帶2晚第三紀以來的逆沖推覆作用使得烴源巖提早進入高過成熟階段，並以產氣和凝析油為主3逆沖推覆作用所產生的北傾逆斷層控制天然氣自下而上自北而南運移，位於運移路線上的克依構造帶和秋里塔格構造帶的東段與烴源巖的排氣期匹配較好，從而使這些地區最富集天然氣。Relative to euro, euro emission regulations add the test of emission in 40s after cold - start. in order to meet the more strict emission regulations, the key question is how to make the three - way catalytic converter to light - off and increase the conversion efficiency. so it is necessary to do a numerical simulation on light - off characteristic and conversion efficiency of three - way catalytic converter in cold - start stage
歐排放標準相對于歐排放標準增加了冷起動頭40s的有害排放物測試，為滿足更嚴格的排放法規，如何使三效催化轉化器盡快起燃，提高對排氣的轉化效率是關鍵問題，因此對三效催化轉化器在發動機冷起動階段的起燃特性和轉化效率進行數值模擬研究是大勢所趨。Pressure test of segmental pigging : cleanup sundries, free rust, drainage and exhaust in pipe
分段清管掃線試壓：清除管線雜物、浮銹、排水、排氣。There is a wide range of potential application of engine - exhaust powered adsorption refrigerating system due to the hazard of cfc ' s on the ozone layer
以氯化鈣-氨為工質對的發動機排氣余熱固體吸附式製冷系統尚處于研製階段，其許多性能還有待研究和提高。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。The development and study of the engine electronic control technology, which is regarded as one important method to reduce the exhaust emissions and improve the power and economy performance, is paid more and more attention
發動機電控技術作為降低發動機排氣污染，提高其動力性和經濟性的一個重要手段，它的研究和開發越來越受到人們的重視。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分享友人