著火機理 的英文怎麼說
中文拼音 [zhāohuǒjīlǐ]
著火機理
英文
mechanism of ignition-
When measuring the magneto performance parameter , we find that the instrument which use to measure voltage and current is still the simple voltmeter and amperemeter in the national standard , and the form of wave that we observed is anomaly. based on the measure principles, it obviously ca n ' t be used to do quantitative analysis ; because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable , it make the measure of ignition energy become a difficult thing of ignition system performance detection
在磁電機常規測量時,發現在國家標準中用於測量電壓、電流的儀器仍然是普通的電壓、電流表,而觀測到的波形多為不規則的形狀,根據測量原理,顯然不能用其來做定量的分析;由於點火系統的放電過程比較復雜,伴隨著很強的電磁干擾,點火電流、點火電壓都是變量,使得點火能量的測量成為點火系統性能測試的一個難點。Plaza hotel, a deluxe international 4 star hotel, conveniently located in the southeast region of beijing on the east 3rd ring and cbd business area, enjoys a close access to beijing economic and technological development zone and jingjintang expressway, next to the beijing curio city, chinas largest curio and folk artwork market, and one of the largest library in beijing the capital library, 25 kilometers from the capital international airport, and 5 kilometers from the beijing railway station
酒店地處北京著名的cbd商務區,緊鄰東南三環主路,毗鄰北京經濟技術開發區,與首都圖書館和中國最大的古玩城同處東三環高檔商業文化中心,靠近京津塘高速入口,距首都國際機場25公里,距離北京火車站5公里,交通十分便利,其優越的地理位置,是商務及旅遊人士的成功之選。It is discovered that the combustion condition of the second stage pc is up to the outlet temperature of the first stage pc and the content of combustible gases in first stage flue also plays positive effect on the ignition of second stage pc. the effects of parameters of two coal - air mixture, wall temperature of first ignition chamber and annular filling air on imfit are studied experimentally in this thesis. in this thesis, the numerical simulations of ignition and combustion of pc in imfit are conducted
本文通過建立數學模型,對感應加熱煤粉多級無油點火進行數值模擬,研究了一級煤粉煤粉在點火室內的著火過程和二級點燃過程、煤粉粒徑分佈對煤粉多級無油點火的影響,研究了一級點火室壁面溫度、一級煤粉氣流和二級煤粉氣流的風粉參數在煤粉多級無油點火過程中的影響規律;根據二級點燃段的流場和溫度場分佈,研究了環形夾心風推遲二級煤粉著火的機理。He had always seen her in her own house. and he had never dared to ask her to go anywhere with him. quite irrelevantly, still at the telephone and talking with her, he felt an overpowering desire to die for her, and visions of heroic sacrifice shaped and dissolved in his whirling brain
他一向總在她屋裡跟她見面,從沒敢邀請她一起出過門,這時就在他站在電話機旁跟她說著話時,他便毫無道理地產生了一種強烈的慾望:願意為她赴湯蹈火。Ammo bearers either provide cover fire for the gunner / a - gunner ( if in contact or under fire ) or pick up any spare ammunition at the site of the gun ( if the situation allows for it - do not grab the ammo if it means you ' re going to get shot doing so )
送彈員可以為兩位搶手提供火力掩護(如果已經與敵人接觸或是已經遭到進攻) ,或者整理機槍邊還未使用完的彈藥(如果情況允許? ?不要試著去拾子彈如果這樣做意味著你將挨子彈) 。Experimental investigation shows that methanol engine cyclic variations mainly depend on the length of ignition delay and the proper mixture stratified concentration distribution in cylinder
試驗結果表明,甲醇發動機的燃燒循環變動主要取決于著火延遲期的長短和缸內混合氣層狀濃度分佈是否合理。Reducing ignition delay and the ideal mixture stratified concentration distribution near the spark plug gap and the combustion chamber can reduce methanol engine combustion cyclic variations, and modify engine performances
縮短著火延遲期,或在火花塞跳火區域及燃燒室內獲得理想的混合氣層狀濃度分佈均可降低甲醇發動機燃燒循環變動,使發動機性能得以改善。With the increasing deepening of the study on crystallization mechanism of the magmatic system, the magmatic kinetic theory of volcanic and intrusive rocks has entered the stage of establishing a model
摘要隨著巖漿體系結晶機理研究的不斷深入,火山巖和侵入巖巖漿動力學理論已經進入到模型建立階段。Results of the experiments showed that the wear mechanisms of the sintered steel included abrasive wear, adhesive wear and fatigue wear, and it was the abrasive wear most important. it was the sintered steel mixed by ni, mo that was the best on the wear resistance, because of the great lot of bainite ; the sintered steel quenched and low temperature tempered mixed by mo, w that was the best on the wear resistance, because of the rigidity of the steel was the highest
實驗結果表明:本文中幾種燒結鋼的磨損機制均是由磨粒磨損、粘著磨損、和疲勞磨損共同作用的,且以磨粒磨損為主;在燒結態下,復合添加合金元素鎳、鉬的燒結鋼的耐磨性能最好,這是因為生成了大量的硬質相貝氏體;而淬火、低溫回火態下,則復合添加鉬、鎢的燒結鋼的耐磨性能最好,這是因為熱處理態下添加鉬、鎢的燒結鋼的硬度最高。X - ray diffraction results revealed that the structure of as - deposited smco film was amorphous and crystallization happened after the films annealed at 500 in vacuum. the magnetic tests of smco thin films showed that its coercivity reduced with the increase of film ' s thickness while the ratio of mr / ms was opposite. the films " coercivity and mr / ms declined after it annealed at 500 because the machanism of magnetization were changed from domain wall nailing into magnetic nuclear forming
研究結果表明,由於雜質fe的摻入降低了smco薄膜的磁性能;制備態smco薄膜為非晶態結構,矯頑力hc隨著薄膜厚度的增加而減小,剩磁比mr ms隨膜厚增加而增加;經過500真空退火熱處理后,薄膜出現smcos的結晶物,矯頑力hc降低, mr ms減小,磁化機制由疇壁釘扎類模型轉為形核類模型。The article, after exploring new historical data of gunpowder prescription techniques, suggests that the significance of the forming of the gunpowder prescription theory in the ming dynasty lies in that it made clear execution ' s role in gunpowedr and that it lays the theoretical foundation of gunpowder ' s right proportion. the article also studies the models of the prescriptions of multi - composition gunpowder. besides systematizing the prescriptions of multi - composition gunpowder, it analyses seven typical prescriptions in the poem style, and makes simulated experiments according to them, thus makes a deep research on the pharmacological effects of the poisonous medicines in the multi - composition gunpowder and explains the principles in prescribing and the mutual relations between medicines
通過發掘火藥配方技術的新史料,認為明代火藥配伍理論形成的意義在於明確了硝硫炭在火藥中的地位,為火藥合理配比提供了理論基礎;探討了多成分火藥配方的組方模式,在系統整理多成分火藥配方的基礎上,對較為典型的七首詩歌體裁的方歌(配方)進行了剖釋,並對典型配方進行了模擬實驗,著重深入考察了多成分火藥方中毒性藥物的藥理作用,闡述了組方的機理和各藥間的相互關系。With the rapid development of computational fluid dynamics and combustion theory, applying the computer to numerically simulate the complicated processes in the plasma ignition is possible. using numerical simulation can estimate the parameters which are not essay to measure and not doing so many experiments can improve its reliability and reduce the cost. so numerical simulation is a new pattern way to study the inner mechanism of the plasma ignition
隨著計算流體力學和燃燒理論的發展及計算機的廣泛應用,用數值模擬等離子點火器內部燃燒系統流動、傳熱、傳質、化學反應等復雜的過程已成為可能。應用數值模擬的方法可以對實驗難以測量的量進行預估,而不需要大量的試驗,應用數值模擬的方法來解決等離子點火器燃燒性能的分析和工程設計,有利於提高工作的可靠性和經濟性。Although oil is used only in the case of ignition and low load operation, the amount is very great. in order to save the precious and expensive oil, a novel technology, induction - heating multi - stage free - oil ignition technology of pulverized coal ( mfit ), is brought forward in this thesis. based on the study of ignition mechanism of coal, ignition criterion, heating method and ignition theory of pulverized coal ( pc ), mfit integrates hot - wall ignition technology, induction heating technology and multi - stage ignition technology
為降低電站鍋爐點火成本和低負荷運行費用、解決電站鍋爐點火用油和低負荷助燃用油居高不下的問題,在分析研究煤的著火機理、著火判據、加熱方式和煤粉的點燃理論的基礎上,本文將熱壁面點火、感應加熱、多級點火等過程有機地結合起來,進行了感應加熱煤粉多級無油點火的試驗研究。Combined with scientific research practices, by means of single chip microcomputer and computer simulation, on basis of the assembler and vc programming, this paper analyses and researches emphatically the basic principle of tank fire control system simulation, the data collection ( including testing ), 3d battlefield environment and the modeling of projectile ' s external trajectory etc
結合科研實踐,運用單片機技術和計算機模擬技術,基於匯編和vc編程機制,著重對坦克火控系統系統模擬的基本原理、數據採集的實現(包括測試) 、三維戰場環境和彈丸外彈道模型的構建等方面進行分析研究。Yangtze hotel is located at the very center of wuhan city. it takes you only 5 minutes to the wuhan international exhibition convention center by walking, 3 minutes to the world trade tower and wuhan plaza, and it takes 30 minutes to tianhe international airport and 10 minutes to hanhou railway station by car. to the famous sightseeing spots such as the yellow crane, its only 10 minutes drive
酒店位於武漢市中心,步行至武漢國際會展中心僅5分鐘,距離著名的武漢廣場武漢商場世貿廣場僅3分鐘,驅車30分鐘可到達武漢天河機場, 15分鐘可達漢口火車站, 10分鐘可至武漢市著名景點黃鶴樓,地理位置優越,交通便利。In this thesis, we studied the effect of laser heat treatment and overlapping treatment on mould steel, debated on the principle of laser heat treatment, and explained the new phenomenon observed in this experiment. to some degree, maybe our research is beneficial to the development of laser heat treatment technology in practice
本文的研究了激光淬火以及激光交疊熱處理對模具鋼性能的影響,分析了激光熱處理的機理,對實際工作會有一定的實際意義,激光淬火也會隨著激光器的發展有更廣闊的應用前景。In this thesis the theory and method of intelligent fault diagnosis for a large turbo - pump fed liquid - propellant rocket engine ( lre ) is innovatively proposed and developed, based on the hybrid reasoning strategy and the hybrid knowledge models including mathematical model, logic model, graphic model and qualitative model. the theory and method are constructed in the way of intelligent modeling technique and creative application of knowledge engineering, and focus on the difficult problems and critical techniques such as the unified treatment of lre knowledge ( experience, facts, rules, graph, system structure, behavior, model knowledge and measured data ), the integration and translation of qualitative and quantitative knowledge, and the knowledge - based intelligent fault diagnosis reasoning methods. firstly, besides the correlation of different knowledge, the concept and the types of lre diagnosis knowledge are systematically described
本文以某大型泵壓式液體火箭發動機為研究對象,以智能建模技術和知識工程的創造性應用為主要技術手段,圍繞著發動機知識(經驗、事實、規則、圖形、結構、行為、模型知識與測量數據信息等)的統一處理技術、定性定量知識的集成與轉化和基於知識的智能故障診斷推理等關鍵技術和難點,創新地研究發展了發動機基於混合知識模型(數學模型、邏輯模型、圖形模型及定性模型)和混合推理策略的智能故障診斷理論和方法。Direct against the flame picture of stove, having analysed the source of the noise of the picture, a large number of random noises in following to the combustion process have been successful dealt with in using median filtering, have realized the gray transformation and false color shown of the flame picture
針對爐膛火焰圖像,分析了圖像噪聲的來源,運用中值濾波成功地對燃燒過程伴隨著的大量的動態隨機噪聲進行了處理,實現了火焰圖像的灰度變換和偽彩色顯示。After briefly introduce the basic genetic algorithm ( ga ) theory, aimming at the " prematurity " of basic genetic algorithm, we put forward a new improved genetic algorithm, the basic genetic algorithm combine simulate anneal ing ( gasa ), to meliorate the local search ability of basic genetic algorithm. because many design problems, such as the preliminary fuzzy rule and input and output membership fuction are hard to gain and the learni ng process of fuzzy neural network ( fnn ) is slow and local optimization, we design the fuzzy neural network excitation controllers of turbine generators with genetic algorithm combine simulate anneal ing ( gasa )
本文首先介紹了水輪發電機勵磁控制方式和軟計算理論的發展,然後介紹了遺傳演算法的基本理論,針對基本遺傳演算法存在的「早熟」現象,介紹了一種遺傳演算法結合模擬退火的改進型遺傳演算法,改善了基本遺傳演算法的局部搜索能力。鑒于常規模糊神經神經網路勵磁控制器設計方法中存在著初始模糊規則和輸入輸出隸屬度函數難以確定以及模糊神經網路訓練緩慢和難以達到全局最優等問題,利用遺傳演算法結合模擬退火的改進型遺傳演算法來設計模糊神經網路勵磁控制器。With the development of the thermal power station towards large capacity, high parameter, integration and the continuous improvement of data - gathered system in operation, it will be an important task of engineering practicality to build an energy - saving potential diagnosis system with the function of on - line monitoring, energy - loss diagnosis and operation guidance, which can find the main source of economy - loss in operation adjustment and the equipment drawback management, thereby instructs the running adjustment, renovation and improve the operation economics of the units
隨著火力發電機組逐漸向大容量、高參數、集成化方向發展,運行數據採集系統的不斷完善,建立一個集在線監測、能損診斷、運行指導等功能於一體的節能潛力診斷系統,在線找到機組在運行管理和設備缺陷方面的主要經濟性損失根源,從而指導機組的運行調整和設備的改造,提高機組運行經濟性,將是一個具有重要工程實用意義的課題。分享友人