進氣道效率 的英文怎麼說
中文拼音 [jìnqìdàoxiàolǜ]
進氣道效率
英文
inlet efficiency- 進 : 進構詞成分。
- 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...
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 率 : 率名詞(比值) rate; ratio; proportion
- 氣道 : air flue; air passage
- 效率 : productiveness; efficiency; productivity; workpiece ratio
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Our company took the lead in establishing a factory specialinzing in producing inflatable models and balloons in 1995. for the last 10 years, with great support and concern from all circles of society and by a common effort of our staff, the enterprise isadvancing in agreat stride, to be the biggest prodution center in china for producing inflatable models and balloons, with a activeties scope from production, marketing, design and research. the company has full range of products, such as : inflatable models and balloons made by pe, pvc complex film, nylon cloth, oxford, reinforced oxford, euphotic oxford, and also inflatable toys. pop commericials, and swimming articles, etc. the company also has a strong technical force : all the products with a unique creative idea, carefully selected materials, vivid and vast sculpt, also can be equipped with computer controlled lighting and sounding system. the lighteing inflatable model is the first in china and has obtainde a patent. the inflatable products, which have a spectacular and impressive visual effect, can be put on advertisement, celebration ceremony, and business activities, giving a commercial culture atmosphere into the citys sight. they are the best choice of advertisers and business people with insight
本公司於1995年在國內率先創建氣模氣球生產專業廠家,十年來,在社會各界關心支持和全體員工共同努力下,企業發展突飛猛進,現已成為集生產銷售設計科研為一體的國內同行業最大企業,成為國內最大的氣球氣模生產基地。產品品種全: pe pvc復合膜尼布牛津布增強牛津布透光牛津布等材料的氣球氣模,以及充氣兒童玩具pop廣告物水上泳具等產品應有盡有發光氣模等多項產品屬國內首創並獲專利,其產品一旦充而擴之,投放于廣告慶典商務活動,視覺效果巍為壯觀十分搶眼,不僅為都市空間增添了一道亮麗的商業文化景線,更為現代廣告人商人慧眼所識。( 2 ) pe gas pipe laying is faster and efficiency, especially on trenchless technology. application technology of pe gas pipeline engineering is advanced, efficient and in low fare
( 2 )聚乙烯燃氣管道的施工速度快,效率高,特別是在非開挖施工技術上,聚乙烯管道的施工技術較鋼管更先進,效率更高,費用更低。When the electric interlocking apparatus at station do not work, we can exactly and promptly obtain, the states of switch in route, display in notebook computer by white strip light plainly, and thus increase the safety coefficient enormously and train working efficiency
系統自成體系,當車站電氣集中設備停用后,使用該系統能夠及時、準確地反映進路上的道岔狀態,並將所排進路以白光帶的形式直觀地在筆記本電腦上顯示出來,大大提高了非正常情況下接發列車作業的安全系數和作業效率。3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant
對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等;改進了水冷壁布置使換熱效果更好,減少輻射換熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效率;並且進行了煙氣阻力計算、熱效率計算和能量平衡測試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效率有明顯改善。Atracheotomy is an emergent method in the treatment of the respiratory tract obstructionand in the improvement of oxygen circulation. it has been extensively applied in clinicalmedicine. subcutaneous emphysema and infection of the incisional wound are commoncomplications after tracheotomy. the causes for the complications are analysed and theincisional dressing change method after tracheotomy is improved to redue the incidence ofsubcutaneous emphysema and infection of noisional wound effectively
氣管切開術,做為臨床解除呼吸道梗阻,改善氧循環的一種急救技術,已被廣泛採用,但氣管切開術后發生的皮下氣腫及切口周圍感染是臨床常見並發癥,本文針對其發生原因進行了分析,探討了改進術后切口的換藥方式,有效的降低了皮下氣腫和感染的發生率。In order to improve the prediction accuracy, the sensitivities of pipe friction coefficients, pressure loss coefficients in bents, wall temperatures and heat transfer coefficients in pipes and cylinders on the volume efficiency are investigated
為提高充氣效率的計算精度,由模擬計算和相關試驗,分析了管道的摩擦系數、彎管的壓力損失系數、進氣管壁和氣缸壁溫度及其傳熱系數對充氣效率的影響程度。Effects of different fuel - air ratios and different geometric parameters of dual - stage swirler ( such as inner diameters of the primary swirl and secondary swirl passages, outer diameters of the secondary swirl passages, vane angle of the primary and secondary swirler, the distance of the flare exit from throat etc ) on combustion performances are studied experimentally. the experimental results show that radial profiles of the outlet gas temperature 、 combustion efficiency 、 emissions of co2 、 co and nox and lean blowout are affected with different degrees by the different geometric parameters of dual - stage swirler and the arrangement of primary holes
在不同油氣比下,不同的雙級旋流器幾何參數(例如:一級與二級旋流器出口內徑d 、葉片安裝角、二級旋流器出口外徑d 、二級旋流器的喉道到出口截面的距離l和喉道前後的圓弧半徑r以及主燃孔孔布局等)對單頭部環形燃燒室的出口溫度分佈、燃燒效率、貧油熄火油氣比以及污染物( co _ 2 、 co和nox )排放等燃燒性能的影響規律進行了研究。The results show that the heat transfer in intake manifold and cylinder has obvious effects on the volume efficiency, while the pipe friction coefficients and bent pressure loss coefficients have less effect
結果表明,進氣管和氣缸的傳熱對充氣效率的影響較顯著,而管道摩擦系數和彎管壓力損失系數對充氣效率的影響較小。Abstract : in this paper, the major problems in water resources, flood and drought, and water environment in china are analysed, and new subjects of study on hydrology are pointed out, including the uncertainty of hydrological phenomena, the effect of human activities on hydrology, the calculation of water level frequency, the optimum effcet of water resource development and utilization, the analysis of water supply and demand, the mechanism of water - saving agricultural irrigation, flood and drought prevention, etc
文摘:從水資源開發利用與保護、水旱災害防治等方面論述中國當前存在的主要水問題:水危機和水浪費同時存在、水污染日趨嚴重、防洪減災任重道遠、生態環境破壞嚴重、全球氣候變暖產生不利影響;進而論述水文學研究面臨的新課題:水文現象的不確定性、人類活動對水文的影響、水位頻率計算、水資源開發利用的最佳效應、水資源供需分析、農業節水灌溉機理及水旱災害的防治,並指出必須加強對這些新課題的研究Sparedescription : in this paper, the major problems in water resources, flood and drought, and water environment in china are analysed, and new subjects of study on hydrology are pointed out, including the uncertainty of hydrological phenomena, the effect of human activities on hydrology, the calculation of water level frequency, the optimum effcet of water resource development and utilization, the analysis of water supply and demand, the mechanism of water - saving agricultural irrigation, flood and drought prevention, etc
描述:從水資源開發利用與保護、水旱災害防治等方面論述中國當前存在的主要水問題:水危機和水浪費同時存在、水污染日趨嚴重、防洪減災任重道遠、生態環境破壞嚴重、全球氣候變暖產生不利影響;進而論述水文學研究面臨的新課題:水文現象的不確定性、人類活動對水文的影響、水位頻率計算、水資源開發利用的最佳效應、水資源供需分析、農業節水灌溉機理及水旱災害的防治,並指出必須加強對這些新課題的研究Integrating electricity and piped utilities consumption, weather and real - time pricing feeds, as well as other relevant data inputs, the software reveals inefficiencies, tracks performance metrics and supports accurate budgeting exercises
通過整合電力和管道輸送的動力消耗指標、天氣和實時定價進給,以及其他相關的數據輸入,這套軟體可以顯示無效率的方面,跟蹤執行的衡量標準,以及支持精確的預算使用。This is a combined production equipment of edge cutting and line pressing for comigated paperboard. it has some advantages such as the cutting paperboard into one, thin blade gasautomatic cutting accelerates production speed. it is a comparatwely advanced machine in paperboard making industry
薄刀片分壓機是將瓦楞紙板分邊、壓痕(碰線)兩道工序一次完成的復合設備,它的特點是,紙板分邊光滑,無毛刺,薄刀片氣動自動磨削,大提高了生產效率,是紙箱生產過程中較選進的設備。In this paper, simple reacting flow model in solid - propellant ducted rocket combustor based on eddy break - up model is established. the model is used to simulate the three - dimensional combustion flowfields in an experimental motor. some factors how to affect the combustion efficiency are discussed in the paper, including air intake and gas generator nozzle
本文基於簡單反應的旋渦分裂模型,建立了固體火箭沖壓發動機補燃室內的湍流燃燒模型,並在該模型下對某實驗發動機進行了三維數值模擬,研究了補燃室設計參數包括進氣道出口設計參數和燃氣發生器噴管設計參數對燃燒效率的影響。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。Grit, dirt or any foreign matter accumulated in the pipe can hinder efficient valve operation and seriously damage vital valve parts. thoroughly clean pipe internally with air or steam
硬渣、污物或任何外部物質在管道內積累都可能妨礙閥門的工作效率並嚴重損壞閥門的關鍵部件。必須用空氣或蒸氣對管道內部進行徹底清洗。Combining burning and heat exchange as a whole, this furnace adopts the novel indirect heating technology of performing heat exchange at high temperature position of the furnace, inside which, smoke and air flow separately, heating has no contamination, thermal efficient reaches 60 - 75 %, therefore, it features speedy temperature rise, compact dimension, convenient installation, reliable operation and lower cost ( only half of that by boiler heating system )
該爐集燃燒與換熱為一體以爐體高溫部分進行換熱的最新間接加熱技術,煙和空氣各行其道,加熱絕對無污染,熱效率高達60 - 75 % ,升溫快,體積小,安裝方便,使用可靠且價格低,與一噸鍋爐相比,該加熱系統只相當于鍋爐加熱系統價格的一半。The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash
氣缸蓋的氣門排列方式與氣道結構形式影響進氣充量和氣流在氣缸內的運動,從而影響了燃燒效率,對整機的動力性、經濟性以及排放都有直接的影響;配氣機構的形式影響充氣系數和整機噪聲等;缸蓋燃燒室決定了影響整機動力性能的壓縮比,影響hc排放的f / v和對擠流起決定性作用的擠氣面積以及擠氣間隙,所以燃燒室對整機動力性、經濟性、排放等都有重要的影響;氣缸蓋是整機熱負荷與熱應力最大的部件之一,熱負荷過高將不利於發動機壽命以及可靠性的提高。The mixing of air and fuel can be improved, d ) adding air distributary valve at exit of air - intake can increase the amount of air bifurcated into the dome region, so the value of combustion efficiency is increased, e ) increasing gas generator nozzle number can improve combustion characteristics in the dome region and produce good condition for combustion progress, f ) when the fuel streams are ejected into the second combustor with a angle, the combustion efficiency is increased, g ) when the speed of fuel streams increased, the intension and temperature of recirculation region is improved
兩個進氣道在補燃室周向成180度布置,有利於增強燃氣同空氣的摻混; 4在進氣道出口增加空氣分流擋板,有利於增加進入頭部的空氣流量,提高燃燒效率; 5增加燃氣噴管數量能增強燃氣同空氣在頭部的燃燒效果,為燃燒的進行創造良好的條件; 6With computations and analysis, the comprehension on the mixing and combustion process is increased, and some significative results are listed below : a ) there are three recirculation regions and one vortex region in the combustor, and these recirculation regions affect the combustion process deeply, b ) increasing side - arm angle and moving side - air inlet position toward the fuel inlet can improve mixing and combustion characteristics, and increase the combustion efficiency, c ) when the angle between two air - inlets equals to 180
通過計算與分析,增進了對補燃室內摻混燃燒過程的理解,為固體火箭沖壓發動機補燃室設計提供了一些有意義的結果: 1補燃室內的流動十分復雜,存在三個迴流區和一個旋渦區,迴流區對摻混燃燒過程有重要影響; 2增大空氣入射角度、向前移動進氣道出口位置有利於增強頭部迴流區強度,增強摻混效果,燃燒效率上升; 3Such a large cut means china could end up by 2010 with " by far the most aggressive global warming pollution reduction policy of any country in the world, " douglas ogden, director of the china sustainable energy program at the energy foundation, an organization in san francisco promoting renewable energy and efficiency in china and the us, wrote in an e - mail
舊金山的一個致力於促進中國、美國在可再生能源和能耗效率健康發展的組織, 「全球資源有限情況下的中國能源政策」 ,主任道格拉斯?奧登先生在一封電子郵件當中寫到, 「如此之大的削減溫室氣體排放量,這足以使中國在2010以前成為世界上對全球變暖、保護環境等問題最積極進取的國家。 」分享友人