燒結現象 的英文怎麼說

中文拼音 [shāojiēxiànxiàng]
燒結現象 英文
sintering phenomenon
  • 燒 : 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 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
  • 現象 : appearance （of things）; phenomenon
  1. Techniques, and their physico - chemical parameters such as specific areas, particle size distributions and diffusion coefficients are measured by the bet method, laser scattering technique and galvanostatic intermittent titration technique ( gitt ), respectively. sem photographs show that these samples are made up of the irregular porous granules, which are conglobated by many small spherical crystals

    溫度助p 』 c賊品中有明顯的尖晶石相雜質，充放電曲線表現出3v和4vmglz臺，而焙燒溫度在sic 』 c以下的樣品充放電曲mn有一個3v平臺，充放電循環過程中沒出現明顯的3v平臺向4v平臺轉化的現象，表明該樣品在循環過程中結構是愧箍淀的。
  2. The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering

    模擬結果表明，掃描端點溫度場的不對稱及較大的溫度梯度造成了端點球化現象，並在端點處產生較大的熱應力，使燒結成形試樣易在此處破壞;激光掃描線間的耦合作用使端點球化現象隨掃描線的增加而逐漸顯著，燒結時應避免過短的掃描線;不同掃描策略對燒結成形有很大影響，交替掃描會影響燒結試樣的質量，實際製造時應採用單向掃描策略。
  3. 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機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，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，分析了不同體積分數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機理，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。
  4. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此，對該站進行了串聯諧振分析和並聯諧振分析，並結合測試數據和有關變電站的運行記錄，指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高，引起湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因，提出了相應的諧波治理措施，包括針對湯6c電容器5次諧波電流含量偏高的原因，提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器（湯sc其餘部分停運）以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象，提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。
  5. The studies indicate that different content of pyrophyllite and dolomite can cause the following three cases : ( 1 ) making the refractory point decrease linearly and, to some extent, influencing the microstructure and properties of sintered body ; ( 2 ) acceleratingmullite formation during sintering, reducing thermal expansion coefficient of bond, reinforcing the matching nature and improving the flexural strength and shock strength ; ( 3 ) preventing sic grinding tool from generating black core, expanding suitable sintering temperature range of sic grinding tool

    同時，也不同程度地影響了磨具燒結體的微觀結構和性能； （ 2 ）可促進在燒結過程中莫來石的形成，降低結合劑的熱膨脹系數，加強了結合劑與磨料的匹配性，提高了磨具的抗折強度和抗沖擊強度； （ 3 ）在一定溫度范圍內還可防止碳化硅磨具出現黑心現象，拓寬了碳化硅磨具的燒結溫度適應范圍。
  6. In this paper, with the pb - zn sintering process of imperial smelting process ( isp ) in shaoguan smeltery works as study object, the design and implementation of y xl distributed control system ( dcs ) of sintering process is fulfilled as well as the development of optimal control system

    本文以韶關冶煉廠isp鉛鋅燒結過程為對象，設計和實現了燒結過程xl集散控制系統，設計和開發了燒結過程優化控制系統。
  7. 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。
  8. At the western side of the excavation site an area of burnt earth was uncovered, large quantity of coal found and burnt earth suggest human activities. according the unearthed remnants the building was built during the japanese occupation period

    探坑西側出現一個火燒土區，出現大量木炭並有火燒紅土的現象，人為活動的痕跡相當明顯，根據出土遺物判斷，該建築應屬日治時期的結構。
  9. Results show that fracture of the slab originates from overfiring of the slab due to high temperature in certain local area of the walking beam furnace and in light of the result proper counter measures are accordingly put forward

    結果表明，板坯斷裂是由於步進爐中局部溫度過高產生的過燒現象，根據分析結果提出了相應的改進措施。
  10. The nanometer tin dioxide powder aspects were prepared with the colloid - hydrothermal system which takes the merit of sol - gel law and hydrothermal method, and combine forming new preparing method - colloid - hydrothermal after the analysis of a large number of documents to the home and abroad and comparing to more than ten kinds of methods preparing the nanometer powder aspect, the nanometer stannic dioxide powder is prepared with the colloid hydrothermal system, and has avoided the pure sol - gel law to calcine with high temperature later period which causes the hard agglomeration

    本文通過對國內外大量文獻的分析，對制備納米粉體的十多種方法進行了比較。取溶膠?凝膠法和水熱法各自的優點，結合形成新的制備方法? ?膠體水熱法。用膠體水熱法制備納米二氧化錫粉體，避免了純溶膠?凝膠法後期用高溫煅燒得到二氧化錫超細粉體時產生的硬團聚現象。
  11. The microwave magnetic sintering can not only lower the sintering temperature and shorten the sintering time, but also decrease the micro - grain size of magnets and make intergranular phase and grain boundary of main phase distributed well. the abnormal grain growth was found in conventional sintered ndfeb magnets, which may be due to the greater particle size and uneven distribution of powder, and higher sintering temperature and longer sintering time. of course, the abnormal grain growth would deteriorate the magnetic properties

    微波磁場燒結的不但降低燒結溫度，縮短燒結時間，而且使磁體整體加熱，受熱更均勻，因而磁體晶粒更細小，並且主相晶粒邊界趨于規則化，晶間相的分佈更均勻；在常規燒結的磁體中則出現了晶粒異常長大現象，造成這一現象的原因，一方面可能是燒結溫度過高或燒結時間過長，另一方面可能是磨製的粉體均勻性較差，存在的大顆粒被許多細小顆粒包圍，在燒結過程中，大顆粒不斷吞併小顆粒，逐漸長大，而異常長大的晶粒自然會導致磁體性能的惡化。
  12. Due to preparing high grade rutile nanometer titanium dioxide in the same method have more disadvantages such as tall calcining heat, easy agglomerate, reunite gravely and difficult to attain the nanometer grade

    由於用與之相同的方法制備金紅石型納米tio _ 2粉體存在焙燒溫度高、易燒結、團聚現象嚴重等缺點，難以達到納米級。
  13. The particle deposition which was observed in the simulation results and verified by the experiment and the comparison of the air experimental data with simulation data showed that the cfd model is a feasible way to simulate the spray drying process

    試驗觀察證實了模擬揭示的脈動燃燒噴霧乾燥過程的粘壁現象。實驗與模擬結果比較表明cfd模型能夠比較精確地模擬脈動燃燒噴霧乾燥過程。
  14. During the laser sintering, due to the large liquid phase viscosity and surface tension, the balling effect occurred when the molten did not wet the solid metal particle and the underlying substrate

    實驗發現，在液相粘度較高、表面張力大，熔體材料不浸潤固相顆粒和基板等因素的影響下，燒結過程中出現了球化現象。
  15. 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燃燒條件下熱解和燃燒過程中的焦碳，對其反應性、亂層碳結構、礦物質催化作用和比表面積等進行了系統研究，指出cfb鍋爐和煤粉爐同樣存在焦碳亂層碳結構有序化和焦碳反應性下降（失活）現象，並全面分析了焦碳失活的機理。
  16. For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect

    隨著合成溫度和時間的增加，產物的結構和晶型越趨于完善，但在1100得到的產物有燒結和晶粒增大的現象，恆溫時間超過24h后對材料的性能影響不是很大； li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖晶石limn _ 2o _ 4 ，尤其當li mn比為1 . 05 2時，所合成的材料具有較好的電化學性能；通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好，而兩段間隔合成法比兩段連續合成法處理的材料性能更佳；顆粒的粒度隨著球磨時間的延長而減小，比表面昆明理工大學碩士學位論文摘要卻增大，粒度小且分佈范圍窄的材料有利於鏗離子的擴散。
  17. The widely used mg alloy zm5 is chose as the original alloy. on the surface of the molten alloy, a layer of protective film with dense structure is formed by the addition of la, ce or mischmetal. the film prevents the penetration of oxygen and volatilization of mg vapor, and then prevents the zm5 alloy from oxidation and burning

    針對目前廣泛應用的zm5鎂合金，通過添加稀土鑭、鈰和混合稀土，在鎂合金液面上形成一層結構緻密並且具有耐久性的保護膜，阻止氧氣的進一步侵入和鎂蒸氣的向外揮發，不再產生鎂的劇烈氧化燃燒現象。
  18. However, with the demand for environmental prelection inhancing, the emission which had not been taken into account is noticed now. in order to improve heater emission and performance and to meet the full needs of users and the development of futurel automobile environment pretection, the paper which uses qn700 air oil - heater as the research objective, theoretically analyzes, experimentally do researches, searches for the main emission source, and brings up efficient improving methods based on the process of combustion x the characteristics of exhaust. the principle of operation

    為了使加熱器的燃燒排放性能更加完善，充分滿足用戶的使用要求和未來汽車環保要求發展的需要，本論文以國產大型客車廣泛使用的qn700型空氣燃油加熱器為研究對象（其燃燒結構和工作原理具有一定的典型性） ，針對這一典型的國產空氣燃油加熱器的燃燒過程、排放特性以及工作原理進行理論分析和試驗研究，找出主要污染源及其產生機理，並在此基礎上根據現有的結構提出有效的改進方案。
  19. The nanometer powder had lower sintering temperature than oxide powder because of its high surface activation and the difficulty of sintering fine material because of gas transport process predominating the sinter process

    納米粉體具有高表面活性，能在更低溫度下實現燒結，但同樣是因為高表面活性，使鋰揮發現象加劇，氣相傳質在燒結過程中佔主導地位，難以燒結出緻密材料。
  20. Abstract : in one sintering plant, its no. 1 wagon tipper ' s track sur face occurred corrosive pitting and stacking only after short application, and th is effect the normal production seriously. in order to diagnose the plastic defor mation of the track surface, we made test and fem analysis to it, found the re ason of failure, and put out improving measure

    文摘:某燒結廠1號翻車機在使用較短時間后，導軌表面出現點蝕和堆邊現象，嚴重影響正常生產.針對這一問題，對導軌表面塑性變形進行了實測和有限元分析，從而找出了故障原因並提出了改進措施
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