燒結機面積 的英文怎麼說

中文拼音 [shāojiēmiàn]
燒結機面積 英文
sinter strand area
  • : Ⅰ動詞1 (使東西著火) burn 2 (加熱或接觸某些化學藥品、放射性物質等使物體起變化) cook; bake; hea...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : machineengine
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • 面積 : [數學] area
  1. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛防護裝甲材料為研究對象,採用真空熱壓粉末冶金工藝制備了含sic顆粒體分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,合其力學性能、掃描電鏡和界微區能譜分析果,分析了sic _ p al復合材料的真空過程中的界現象,以及材料增強和斷裂理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  2. Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -

    快速成型技術改變了傳統的產品開發模式,可以為設計者提供產品樣件,縮短設計周期,加快新產品的開發進度,為決策者提供直觀性;快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣,包括樹脂模、層壓模、熔模和消失模等,還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模,甚至直接製造小批量鑄件,介紹了熔成型技術在石膏型精密鑄造上的應用和基於選擇性激光技術的快速鑄造技術,快速成型技術與鑄造工藝的有合,開創了快速製造金屬零件的新階段,對用高新技術改造傳統的鑄造工業,使其貌煥然一新,增強鑄造行業的競爭能力;快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑,討論了利用快速成型技術製造模具的一般工藝方法,探討了將快速成型技術與金屬電弧噴鍍技術合起來快速製造金屬模具問題,以及快速成型技術與精密鑄造技術相合的模具製造工藝,基於快速成型製造的快速模具技術,集成了快速成型製造高新技術和傳統技術,發揮各自優勢,已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。
  3. In the hipib film deposition, high purity graphite was employed as target. relations between process parameters and the microstructure, as well as different physical properties of diamond - like carbon ( dlc ) film deposited by hipib ablated plasma were studied by adjusting the distance between target and substrate, which affects the intensity and ion energy of hipib ablated plasma, and the temperature of substrate in the film deposition processes. the mechanism of film deposition by hipib ablated plasma was explored also

    在薄膜沉,利用高純石墨作靶材,調整薄膜沉過程中的靶基距(蝕等離子體密度、離子能量)和基片溫度,研究實驗工藝對hipib蝕等離子體方法制備的dlc薄膜的微觀構和宏觀物理性能的影響,探討了hipib蝕等離子體沉dlc薄膜的成膜理。
  4. With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics

    熱電聯產系統熱電相互牽連,熱泵供暖(空調)系統不容易很好地滿足尖峰負荷,鍋爐供暖系統供熱中天然氣燃料構成的成本過高,內燃雙源供暖(空調)系統的高發電效率僅限於100kw - 1000kw負荷范圍,供熱有限。對于大的商業園區、居民小區,燃天然氣的燃氣-蒸汽聯合循環雙源供暖(空調)系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性,合北京某一商業園區示範工程,進行了系統的計算與分析,得到了有效的數據與論,在此基礎上,提出影響聯合循環雙源供暖(空調)系統經濟性的主要因素,並進行敏感性分析,得出有益的論;最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解,並指出系統的優化方向。
  5. This new method has the capability of calculating complicated 3d grain burning surface. dealing with evolving interface of complicated material and topology change ( splitting. breaking. merging ), based on level set method and burning surface process law. this technique can get accurate area of burning surface each moment and data of geometrical structure that provide access to examination of grain change in the srm working process. 2

    合固體火箭發動推移規律,在等值函數法基礎上開發的裝藥燃演算法能夠成功計算任意復雜三維裝藥燃,並且具有處理復雜物質邊界及其拓撲構發生變化(如分裂、破碎、合併)的能力,能夠準確計算出發動工作過程中各個時刻裝藥的燃,同時輸出裝藥幾何構形數據直觀地觀察裝藥的變化情況; 2
  6. 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,從而影響了燃效率,對整的動力性、經濟性以及排放都有直接的影響;配氣構的形式影響充氣系數和整噪聲等;缸蓋燃室決定了影響整動力性能的壓縮比,影響hc排放的f / v和對擠流起決定性作用的擠氣以及擠氣間隙,所以燃室對整動力性、經濟性、排放等都有重要的影響;氣缸蓋是整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壽命以及可靠性的提高。
  7. And the value drop to the lowest at ph = 0. 8. as the increase of heat treatment temperature, the pore size distribution peak of sio2 microspheres is very narrow, meanwhile the specific surface area is the smallest before 160 c. the polymer template is removed at 350 c, so the pore structure of sio2 particles has a big change which involve the increase of specific surface area and the broaden of pore size distribution peak. with the continuous raise of temperature the sio2 network will shrink little, as a result the average pore size will decrease, but the specific surface area has no obvious change

    果發現:二氧化硅膠體顆粒均勻分佈於脲醛聚合物網路中,煅去除有模板后微球表變粗糙,而粒徑沒有明顯變化; ph值較小時,復合微球中聚合物含量較大,而ph值較大時,得到復合微球構鬆散,因此熱處理后的二氧化硅微球孔容及平均孔徑都較大,而在ph = 0 . 8時,得到最小值;武漢理工大學碩士學位論文隨著熱處理溫度的變化,小於160時,空分佈較窄,而比表較小,在350時,由於有模板的去除,微球孔構發生突變,比表明顯增大,而孔徑分佈變寬,溫度繼續升高時,二氧化硅網路發生收縮,平均孔徑變小而比表由於有炭化物的完全去除沒有太大變化;微球中的微孔在熱處理過程中處于平衡狀態,分佈沒有太大變化。
  8. The combustion conditions in a circulating fluidized bed ( cfb ) boiler are much different from a pulverized coal firing ( pf ) boiler. however, this dissertation has confirmed that coal char in cfb boiler will also experience reactivity loss and ordering of turbostratic carbon structure, which have been reported by many researchers whose work were mainly restricted to pf conditions

    本文通過獲得在cfb燃條件下熱解和燃過程中的焦碳,對其反應性、亂層碳構、礦物質催化作用和比表等進行了系統研究,指出cfb鍋爐和煤粉爐同樣存在焦碳亂層碳構有序化和焦碳反應性下降(失活)現象,並全分析了焦碳失活的理。
  9. The results indicate that with decrease of exit area of secondary nozzle, the bypass ratio is decreasing, and the static pressure in integrated ejector combustor is increasing, and mixing condition becomes better. there exists an optimal exit area of secondary nozzle to get maximum thrust of rocket ejector

    果表明:引射能力隨著二次噴管出口的減小而減小;整體式引射燃室壓強隨著二次噴管出口的減小而上升,混合隨之更為充分;存在一個最優的二次噴管出口,使發動推力最大。
  10. In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf

    首先研究了干凈壁流式過濾體的加熱特性,然後在加熱和燃理論的基礎上建立了微粒捕集器再生過程的數學模型,並對模型進行了數值計算,得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈,果與實驗值吻合較好,驗證了模型的正確性;為了詳細的研究微粒捕集器的再生理,建立了孔道單元數學模型,得到了孔道內的溫度場分佈和微粒反應速率分佈;最後,通過求解模型在不同邊界條件和不同幾何參數下的數值解,分析了各種因素對再生過程的影響,如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉量以及過濾體壁厚度,為微粒捕集器的優化設計提供理論指導。
  11. The software has been used to do numerical calculation for many boilers ; quantitative analysis on the temperature deviation around the exit of furnace of tangentially - fired boilers is also conducted ; so is the research on distribution of slagging on the heated surface, which provides the theoretical basis for boiler design, optimal operation, renovation planning etc. the paper analyzes the mechanism of slagging in the coal - fired combustion process ; it creates the mathematical modeling of fuzzy comprehensive judgment of slagging by utilizing the theory of fuzzy mathematics

    用此軟體已對多臺鍋爐進行了燃模擬計算;定量分析了四角切圓燃鍋爐爐膛出口左右偏差問題;研究了受熱渣的分佈情況,為鍋爐的設計、運行優化、改造方案確定等提供理論依據。本文分析了煤粉燃過程中灰渣沉理,利用模糊數學的理論建立了渣的模糊綜合評判的數學模型。
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