過熱程度 的英文怎麼說
中文拼音 [guòrèchéngdù]
過熱程度
英文
degree of superheat-
Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits
最後，綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料，得出如下結論：本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖；與中國東部以及華北地臺上地幔相比，研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵，局部熔融程度較高；上地幔存在橫向和縱向的不均一性，從西部的克里陽到喀拉喀什河和玉龍喀什河流域， al和lree富集程度呈下降趨勢，不同來源的相同礦物中主元素的含量差異較大；地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用；玄武巖漿的起源深度73km ；從幔源重砂礦物的溫壓估算結果，可以推斷出巖石圈厚度可達204 . 9km ；綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的化學成分，認為研究區具備了金剛石成礦地幔地質條件。The globalization course was that the preformed texture recrystallized and became the granular equiaxed grain, when the temperature rose and the holding time prolonged, the granular grain melted at some area and at the liquid - solid interface the grain globalized at the role of the curvature overheated
過程機制為：擠壓形變組織在加熱過程中首先發生再結晶長大變為顆粒狀等軸晶；隨溫度升高和保溫時間延長，等軸晶發生局部熔化，液固界面的曲率過熱使晶粒外形向球狀轉變。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。This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation
本文針對該鍋爐在實際運行中存在的問題：在額定負荷下，爐膛出口超溫、低溫段過熱器前煙溫高達936 ，遠遠超過815的設計值；噴燃器四周水冷壁結焦嚴重，過熱器管壁溫度超標，無法帶上額定負荷；甚至有時因燃煤質量的變化，必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中，燃燒器的結構、布置，水冷壁的粘污、結垢，過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況，從而影響爐內的傳熱和燃燒，造成爐膛出口超溫、水冷壁結渣等問題。In part i of this article, the author recalled over the real estate development in the past years and offered a brief introduction to the current real estate development situation in shenzhen, pointing out that after an overheated development in real estate industry, shenzhen is now undergoing a more rational and healthy development trend with stable market ; hi part ii, the author made an analysis on the influence over shenzhen ' s real estate market after china ' s accession to wto, analyzing from many fields, to what extend such influence would impose on it. the result of the analysis revealed that the influence on shenzhen ' s real estate market is not so serious, and there are more opportunities than challenge and the development mode would on the whole remain unchanged ; in part hi of this article, the fundamental study and analysis was discussed, the author holding that the sustained de velopment in shenzhen ' s real estate industry would continue and no bubble phenomenon would occur ; in part iv, the author provided a detailed analysis over shenzhen ' s real estate development trend in the future, the study was based on 7 conceptions by discussed from the point of view on development factors and theory, the comprehensive analysis by the author held that the future real estate market development trend in shenzhen would on the main maintain a high level both from real estate investment and sales, the buildings for commercial sales would be the lion ' s share in total real estate sales, but the market increasing trend would be a bit slow than the present
本文分五個部分對入世后深圳房地產市場走向進行分析，第一部分對深圳房地產市場的發展作了回顧，並闡述了目前深圳房地產市場的發展現狀，表明深圳房地產市場，經過一段過熱期之後，市場呈理性化發展，市場表現穩定；第二部分分析了加入wto對深圳房地產市場的影響，從多個角度分析了加入wto對深圳房地產業的影響程度，認為入世對深圳房地產市場影響不大，機遇大於挑戰，發展格局不會受到根本性的沖擊而改變；第三部分對未來深圳房地產市場發展作了基本的研判，認為深圳房地產市場能持續穩定發展下去，不會出現泡沫現象；第四部分對深圳房地產市場發展未來走向，從發展要素及理論上作了詳細分析，提出了未來發展的七點構想，綜合分析認為：深圳房地產市場發展的走向，將保持投資與銷售高位運行，商品住宅仍是消費的主體，但市場的增長趨勢會放緩，整體市場沿著持續、穩定、健康的路子進一步發展；最後一部分對未來深圳房地產市場的發展提出了八條建設性的措施和對策。After which, the battery will be charged by large constant current to allow the fast charging. finally, the constant voltage charging is adopted to guarantee the battery was charged to its full capacity. under the condition that the temperature has raised to a certain threshold at the constant current charging stage, the over temperature circuit is performing and it provides a compensation current which switches the system to constant temperature charging mode with the intention of protecting the ic
即在充電初期採用較小的電流對電池進行預處理，對出現過放電的電池進行修復和保護;然後採用較大的恆定電流對電池充電，實現快速充電的目的;最後採用恆定壓充電，確保電池充滿;在恆流充電階段，當晶元溫度上升到一定程度時，晶元過熱保護電路開始工作，該電路以提供充電補償電流的形式使充電進入恆溫充電模式，對晶元進行保護。Compared with the traditional edge milling machines, this machine series is dismountable in their tracks, more rational in structure by heat - treatment of the bench, more reliable and stable in the milling & turning head ' s running. the feed and feed - back systems are fully independent respectively. the feed - back is quick and is highly efficient. the angle of the milling tool ' s tray is convenient in adjustment, and the custom - built tool rest and the normal tool rest can be inter - converted. they are the updated products of the traditional edge milling machine
該系列銑邊機與傳統銑邊機相比，其導軌安裝形式為可拆裝式，並通過熱處理，床身結構更合理，銑削頭運行更平穩可靠，其進給系統與返程系統完全獨立，返程速度快、效率高、銑刀盤的角度調整方便，定製刀盤與標準刀盤可互換，是傳統銑邊機的更新換代產品。Meteorological disaster ( mainly wind damagae, waterlog disaster and drought damage ) was classified by five categories as slight, not serious, medium, relatively serious and serious by the degree of its influence on guangzhou, and divided into 3 ranges in time : short - term ( 2000 2002 ), medium - term ( 2003 2006 ), and long - term ( 2007 2010 ). through the investigation by 57 experts who had been engaged in disatser research for a long time, with application expert of assessment method ( delphi method ) the results showed that wind damage would have the greatest influence on guangzhou among the meteorological disasters. in the coming 10 years, there would be tropical cyclone influence on guangzhou almost every year, which would bring a certain extent of damage that was 10 15 % more serious than that in normal year. waterlog disaster brings less influence compared them with tropical cyclone in short term, but its influence was close to that of tropical cyclone in mid - term and even surpasses that of tropical cyclone in long - term. waterlog damage in forcasting period will be about 10 % more serious than that in normal year
將氣象災害（主要是風災、澇災和旱災）對廣州市的影響程度分成輕微、偏輕、中等、偏重和嚴重五個級別，在時間上將未來10年分成三個時期：近期（ 2000 2002年） 、中期（ 2003 2006年） 、遠期（ 2007 2010年） ，通過對廣州市57名長期從事災害研究的專家的調查，再運用專家評估法，結果表明：在三種災害中，對廣州市影響最大的是風災，未來10年幾乎每年都有熱帶氣旋影響廣州，造成較大程度的損失，其損失程度約比中等年份偏多10 15 ;澇災對廣州市的影響在近期比臺風小，中期與臺風的影響接近，至遠期的影響超過臺風，整個預測期內比中等年份偏多10左右。The article takes a 600mw natural cycle drum boiler ( soot blow using steam ) as investigating object, establishes soot accumulation loss and soot blowing energy loss models for its water cooling wall, superheater, economizer and air preheater respectively, set up instructions for soot blower operating. simulating calculation results are compared with site data to verify usefulness of key models. the article introduced the operation optimizing design of soot blowers of yanzhou no2 power plant based on theoretical research
本文以600mw汽包自然循環鍋爐（蒸汽吹灰）為具體分析對象，分別建立其水冷壁、過熱器、省煤器、空預器的積灰損失和各受熱面吹灰能量損失的模型，建立相應的吹灰器運行規則指導，對設計中的關鍵模型問題，通過模擬計算及與現場數據作比較的方法，驗證其可用程度。Flame tube in aircraft engine undergoes high temperature and high speed airflow washing. a hypothesis was suggested, which takes the transient heat transferring as the main reason to the cracking and damage on flame tube. finite element method was adopted to simulate the thermal fatigue and the hypothesis was reproduced
發動機火焰筒的熱疲勞損傷是導致火焰筒失效的主要原因，本文提出了一種火焰筒熱疲勞損傷假設，認為火焰筒熱疲勞損傷不是由於發動機的運行和停車時冷熱溫度循環造成的，而是發動機啟動時瞬態溫度傳導過程中材料循環塑性變形的結果，利用該假設結合有限元計算模擬了火焰筒產生疲勞損傷的原因。The compatibility and harmony among workability, mechanical grade and durability are optimized, with the ground of adjusting composition and dosage of fd - 1 ; after analyzing anti - freezing damage mechanism, it is concluded that temperature is main factor, which affects structure and property of concrete. after two processes of temperature - elevation of hydration heat and temperature - descent of cold - environment, there is original damage in concrete and its existence leads to temperature fields, as results in temperature damage on transition phase > aggregate and cement mortar of concrete
通過對負溫混凝土早期防凍分析研究認為，環境溫度對混凝土的結構形成及其性能的影響十分突出，水泥水化溫升和環境散熱降溫兩個過程導致混凝土結構內部產生不均勻溫度場，對過渡相、水泥砂漿以及骨料都能產生不同程度的溫度損傷，產生內部溫差應力裂紋，初始損傷也是不可避免的。The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method
最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密度風洞中，利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈，利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈，並通過工程理論方法計算了模型表面的氣動熱，把理論計算結果與上述試驗結果比較，幾者符合得較好。The reform scheme of no. 1 boiler in fengtai company is confirmed on the basis of cold / hot tests, theoretical discussions and calculations. in the process of field retrofit, it is indicated in the operation of the improved furnace that without the change of furnace structure, the transform of the burner angle has shrunk the tangential diameter and prevented flames burning on furnace walls, and the burning state of furnace has been bettered, simultaneously, lowering the slagging wi in furnace, thus laying sol id foundation for the safe and economic operation of generating units. wuyanrong ( power plant thermal power engineering ) directed by prof
本論文通過冷、熱態試驗，經過論證和計算，確定了豐泰公司~ # 1爐燃燒器的改造方案，並進行了現場改造，改造后實際運行狀況表明：在無法改變爐膛結構的情況下，改變燃燒器角度，縮小切圓直徑，使火焰不貼壁，改善了爐內燃燒工況，同時降低了鍋爐結渣的程度，為機組的安全經濟運行奠定了必要的技術基礎。But in the process, operating behavior of china ' s investment fund produced aberrance in some degree. the aberrance not only reached anticipative objective, on the contrary pricked up no criterion of capital market. this made an problem become a discussing hotspot in academic circles, the problem is " how would china ' s investment fund be developed according to criterion.
但是在這個過程中，投資基金的運作行為發生了相當程度的變異，沒有達到預期效果，反而加劇了市場的不規范，這就使「中國投資基金應當如何規范發展」的問題成為目前理論界討論的熱點。During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied
在溫度場的模擬中，模擬結果表明，保壓時間是影響製件成形質量的關鍵因素之一，擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大，需進行參數之間的協調，只有當變形區內部始終維持準固態時，才能實現穩定的液-固擠壓成形過程；在變形場的模擬中，根據液態浸滲擠壓的成形特徵，選用了雙曲正弦剛-粘塑性有限元計算模型，研究了變形過程中應力應變場的變化規律，研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. through a lot of experiments, the optimization and chosing method of key process parameters ( pouring temperature, mold warm - up temperature, impregnating pressure, impregnating time ) has been mastered. under the precondition of appropriate chosing these parameters, the effective control of extrusion velocity is the key of mading good workpiece. but the control of extrusion velocity remains a handwork, and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process. in order to solve the problem, the automatic control of the extrusion velocity is studied, and a computer control system is also designed under existing condition
通過大量實驗，已掌握了關鍵工藝參數（熔液澆注溫度、擠壓模預熱溫度、浸漬時間、浸漬力）的優化選取方法。在合理選取關鍵工藝參數的前提下，擠壓速度的控制是成形出質量良好製件的關鍵。但是，目前對于擠壓速度的控制仍停留在手動控制階段，利用該工藝制備管、棒材製件的成功與否受操作者對該工藝及其設備的經驗及熟練程度等不確定因素影響很大。By simulate running, this greenhouse has these advantages : the circuit is simple ; the degree of intelligent of the greenhouse is in a high level, and the control ability is reliable, which can control the environmental factor in the greenhouse within a certain range. ability of anti - interference of corresponding system is high, and hot plug can be realized, which made systematic expansion easy
經過模擬運行，該溫室具有這樣的優點：電路結構簡單；溫室的智能化程度高，控制能力可靠，它可以將溫室中的環境因子控制在一定的范圍之內；整個溫室的通信系統抗干擾能力強，而且可以實現各個通信模塊的熱拔插，非常便於系統的擴展。The radome design techonic is one of the key techonics in development of a radar - homing air - to - air missile, in development of the radome, the initially designed radome was structurally failed in a ground thermal - structural test
雷達型空空導彈研製過程中，天線罩的設計技術是關鍵技術之一。在某雷達型空空導彈天線罩研製中，其最初方案在地面靜熱強度試驗時，天線罩結構被破壞而導致設計方案失敗。By vacuum - electron - beam weld of ti3al and tc11 the technology of hot die forging, and then use different heat treatments, study the influence law of the different degree of deform, different heat treatments to the microstructure and properties
採用熱模鍛技術，通過對tac - 1b 、 tc11進行不同程度的變形、真空電子束焊接，然後採用不同的熱處理工藝，研究熱加工工藝對合金組織，性能的影響規律。Abstract : on the basis of the principle of equivalent enthalpy drop, the online calculating model on the influence of every heater end temperature difference on the unit economy is established which shows the online influence degree. therefore, it provides the theory basis for overhaul workers
文摘:以等效焓降理論為基礎，建立了各級加熱器端差對機組經濟性影響的在線計算模型.通過該計算模型可以在線顯示每級加熱器端差對機組熱經濟性影響的程度，從而為運行檢修人員提供了理論依據，對電廠節能有一定的現實意義分享友人