等熱分配法 的英文怎麼說

中文拼音 [děngfēnpèi]
等熱分配法 英文
equalized heat distribution
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  1. A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate

    對稀溶液中溶質的固/液吸附體系,首次提出了根據吸附子體積和實驗條件下吸附溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方.此適用於單層吸附,也適用於多層吸附和具有親水親油結構的表面活性劑子的膠團吸附.由此,吸附質的表面相濃度cs具有真實濃度的含義,相應地,計算得到的溶質的固/液系數p就有了準確值.別計算由溴代十二烷基三甲銨( dtab )和溴代十六烷基三甲銨( ctab )與羊毛纖維構成的液/固體系系數,為溶質吸附的力學研究奠定了基礎
  2. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻合金電阻絲作為加元件,以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅電偶( k )作為測溫元件;電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路硬體;採用升溫曲線來控制爐膛供過程;採用最小二乘非線性回歸與段函數相結合的曲線模擬方,進行圖形處理。
  3. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論出發研究油氣動態系統基本統計規律,結合油氣動態系統的一般特點,結構特點,兼顧油田開發規劃設計的要求,利用功能模擬原理(含神經網路方、微模擬方) ,依據油田歷史數據,建立了油田開發動態指標間的輸入輸出關聯關系,並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測,同時利用最優化原理,在析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ,這些優化模型包括:產量構成優化模型(解決陸上稀油產量、稠油采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題) ;措施產量結構優化模型(解決壓裂、酸化、大修各項措施產量及措施工作量的最優構成問題) ;產量優化模型(將油田的產量最優地到各採油廠)以及油田綜合開發規劃模型。
  4. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及解溫度降低,且伴有氧化解反應;碳纖維表面含有c = o及c - o - c極性基團,有利於提高其與其它組的相容性,提高層間剪切強度;均勻設計試驗方能夠用較少的試驗次數找出方與摩擦性能間的關系,擬合曲線基本能表示各方的摩擦系數發展趨勢;方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  5. The second chapter studies the economy of ship ' s power plants, based on the aspects of lowering fuel cost, waste heat recovery, the match of ship, machinery and propeller, increasing propulsion efficiency, increasing the economy of ship ' s power plants, etc. the third chapter discusses in detail the control measures of voyage change cost, analysizes systematically the voyage change cost based on the way of fuel cost, harbor cost, voyage venture cost. the fourth chapter studies the structures and control measures of seafarers cost, maintenance cost, spare parts and stores cost, lubricating oil cost, etc. which are relatively easy to be controlled ; based on the state maintenance decision - making, a mathematical model is put forward, the validity and its solve process are discussed. the control measures of spare parts, fuel cost and lubricating oil cost should be based on scientific budget, through the control means of application, reception, usage, store check, try to acquire the inosculation of theory

    第一章主要討論營運船舶運輸成本,對船舶運輸成本的概念、結構、性質與攤、成本細進行了析,從宏觀上闡明了船舶運輸成本的生存環境和生長趨勢;第二章研究了船舶動力裝置的經濟性,在營運船舶降低油耗、廢利用、船機槳匹、提高推進效率、提高船舶動力裝置經濟性的有效途徑方面進行了闡述和論證;第三章詳細論述並論證了航次變動成本的控制措施,全面系統地析和總結了航次變動成本,通過對燃油成本、港口使費、航次風險成本的析與控制,提出了航次風險成本的概念並論述了若干航次風險成本的控制措施;第四章對船舶營運成本中的船員費用控制、維修保養及其費用控制、船舶備件物料管理及其費用控制幾個主要可控性較高的成本進行了細致的析並別討論了相互的控制措施,提出了基於狀態維修決策的馬爾可夫數學模型並論證了模型的正確性及具體解算步驟,對于備件、燃潤物料的控制堅持以科學的預算為前提,以申領、接收、使用、盤存為控制環節,切實做到理論與實踐的密切結合;第五章,結合營運成本的預核算的案例,對船舶營運成本的預算及核算進行了有益的探討,旨在揭示成本發生的動因,並給出了成本預算、核算的編制方
  6. Combined with the practical situiation in distribution network, it ' s suitable to select graph algorithm as the theoretical algorithm base. based on structure variable dissipated network theory, this thesis detailedly discusses the transforms of base - to - shape, shape - to - base, vertex - to - arc, arc - to - vertex, over - heated arc dectection, load allotting, load balancing and optimum restoration

    本論文基於變結構耗散網路理論,詳細討論了基形變換、形基變換、點弧變換、弧點變換、過弧搜尋、負荷、負荷均衡化以及優化恢復非故障停電區域供電一系列與饋線自動化功能相關的處理演算
  7. Conservation law of mass, the state equation for ideal gas 、 thermodynamic equation and flow rate equation are used to establish first order differential mathematic model, and a special investigation on mass flow rate coefficient for different components are carried out to make the model more accuarate

    從模擬和實驗兩個方面進行研究,著重於把ameset和客戶化定製兩種方結合起來使用,利用質量守恆定律、理想氣體狀態方程、力學方程、流量方程建立一階微數學模型,並以amesim平臺對所建立的模型進行進一步的系統模擬驗證。
  8. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發量)和c 、 h 、 n元素含量,根據實驗結果別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質解反應動力學微方程,並採用goast - redfem積和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的解動力學模型,為科學確定反應器的閃速解工作溫度范圍及解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳學理論對生物質傳過程及充解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充解溫度的時間( t ) ,得出了理論推導的充解時間與最大產油率的解時間相一致的結果,為閃速解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速解反應器物料滯留時間( )與轉速(或頻率)合理匹理論; ( 6 )提出了轉錐式閃速解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方及臨界轉速理論
  9. In this thesis, designing " a " furnace arch by applying momentum synthesis and applying the laminar coal supply device to improve the burning in furnace, the operation duty of chain boiler, the thermal efficiency of boiler, are studied, according to the problems of the irrationality on boiler proper frame and the disproportion on system disposition in the design and the operation of chain boiler

    本文根據鏈條鍋爐設計和運行中存在鍋爐本體結構上的不合理、系統布置上的不匹問題,研究了利用動量合成設計「 」型火焰爐拱,以及利用層給煤裝置來強化爐內燃燒,改善鏈條鍋爐運行工況,提高鍋爐效率。
  10. Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction

    目的:致相離成膜過程的機理、力學理論基礎、動力學機制以及影響因素,以便充掌握影響孔度大小、佈、形態的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方:從組織工程材料結構特點出發,致相離聚合物多孔膜的制備方及該成膜的力學理論基礎、動力學機制以及影響因素.並析實驗中存在的問題及今後的研究方向.結果:以致相可制備聚合物多孔膜.致相制備多孔膜是高聚物均相溶液在淬冷條件下發生相離的過程,它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.致相成膜的過程,可以認為是旋節線機理佔主導地位.致相制備的微孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成比、聚合物濃度、聚合物子量因素密切相關.結論:可採用致相離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑佈的多孔膜材料.對致相離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌需深人研究
  11. With the fdtd method to solve the maxwell equations, with the finite - volume method to solve the n - s equations and with the single temperature local thermal equilibrium to solve plasma, first time to adopt the method of all numerical simulation, the coupling flow field of microwave plasma within resonant cavity of mpt was analyzed. for tm011 model and tem model, the matching relation between various parameters and its influence on the coupling flow field of microwave plasma within resonant cavity of mpt was studied separately. the reasonable selection of miniaturization design parameters was pointed out in the numerical simulation to be used in mpt miniaturization, i. e. throat, gas flux and microwave power should be smaller suitable after miniaturization

    採用fdtd求解maxwell方程、有限體積求解n - s方程、單溫度局域平衡模型求解離子體參數,首次用全數值方對mpt諧振腔進行了微波離子體耦合流場的數值模擬,析了tm _ ( 011 )和tem兩種模式各自的參數匹關系及其對微波離子體流場的影響;應用於小型化mpt時,指出了小型化設計參數的合理選取,即:小型化后的mpt ,喉徑小、工質流量小,消耗的微波功率也小。
  12. Since the company began to resrerch and make radiators in 80 ' s last century, domestically advanced production lines have been adopted in the production. we sim at 100 % conformity of heat impedance performance curve with the testing standards stipulated in st2564 - 85 standard book of " profiled material raditors " which is promulgated by ministry of electronic industry of people republec of china. the radiators are matching heat - radiating components for power semiconductors, generally can be applied to fields of large and small power appliances, hi heat current density utensils, whole - set apparatus, electuonics and electrical devices, etc

    本公司自八十年代初研製生產散器系列產品以來,採用國內最先進的生產流水線,工藝精湛,其阻特性曲線均按中華人民共和國電子工業部標準st2564 - 85 《型材散器》規定的檢測方,百之百達到設計要求,是功率半導體器件的套散元件,運用於多種大、小功率電器流高密度、整機設備、電子,電器領域。
  13. The unfavorable factors contain complicated production technology and wayward product quality, etc. first of all, on the basis of analyzing performance index of 3 - layer pe anticorrosion, technological process and operational environment, this paper advances the synthetic control schemes that have constant compound control of temperature and feedback control of speed. considering the production process of the 3 - layer pe, because it is affected by colloidized time of fbe, relatively strong coupling exists between the temperature and speed. through the rational matching and simplifying of the variable, the system realizes uncoupling

    首先在析三層pe防腐層性能指標、工藝過程及工況條件的基礎上,提出了溫度復合控制和速度反饋控制的綜合控制方案;考慮到三層pe生產過程中,由於受fbe膠化曲線的影響,溫度和速度之間存在較強的耦合,本方案通過合理的變量搭,實現兩種變量的解耦;文中還依據傳理論、中頻感應理論提出鋼管傳過程理論建模的方,經實際驗證,表現出該方案和建模方的科學性和實用性。
  14. In our country, with the development of socialist market economy, take - over of listed company have become a hot spot. how to put take - over into a positive rail for improving availability of utilizing of resourses is a important issue in legal realm, . this thesis makes a comparative and pragmatic study on the theories and practices of current take - over, the dissertation probed into the basic theories ^ manners and prospect of take - over

    在我國,隨著社會主義市場經濟的發展,上市公司收購已成為一個點問題,如何將其納入良性運行的軌道,以促進資源的充有效利用和優化置,是學領域的重要研究課題,本文採取比較、實證研究方,立足於我國上市公司收購現狀,對上市公司收購律制度的基本理論、收購方式和前景問題進行了探討。
  15. This article took the changchun city as an example, investigated and analyzed the current situation of center heat supply from six aspects such as energy source, popularization rate, dump energy , the total length of pipe arrangement, the collection of heat fees and so on, pointed out the existent problems and advanced the proposals of solving them

    摘要以長春市為例,從能源消耗、源、普及率、剩餘能力、管總長、費徵收6個方面,析了長春市集中供現狀,指出了效率低、環保效果差、管理水平低及沒有充有效利用未利用能源存在的問題,並提出了建立相應規,提高認識措施。
  16. On the basis of analyzing and studying the structural and functional characteristics of the new type energy - efficient heat exchanger, this dissertation adopts object - oriented programming theory and design method, using 3d modeling and assembling software mdt as developing platform, and activex automation interface technology and vba integrated development environment as aided method, to study and develop the assembly module of new type energy - efficient heat exchanger. the dissertation mainly discusses, studies and works innovationally as the following aspects : 1. this dissertation has discussed and studied the theory and technology of developing assembly module of new type energy - efficient heat exchanger, including the object - oriented theory, the activex automation interface technology and their utilization technology in the

    本文所做的工作,集中於換設備三維cad數字化建模和裝模擬研究,並在析研究新型高效節能換設備的結構和功能特點的基礎上,採用面向對象的編程思想和設計方,以三維造型和裝軟體mdt為開發平臺,藉助于activex自動化界面技術和vba集成開發環境,進行新型高效節能換設備裝模塊的研究與開鄭州大學碩士學徒論文發,論文主要針對以下幾個方面進行了論述、研究和創新性工作: 1 、論述和研究了新型高效節能換設備裝模塊開發的相關理論和開發技術,包括面向對象理論、 activex自動化界面( activexautomationinterface )技術及其在新型高效節能換設備裝模塊中的應用、裝模型的概念和建模理論、 mdt的vba二次開發技術
  17. This paper firstly discusses the current state and deficiencies of fieldbus, and the structure of network and communication system, analyzes the trend, emphasizes on the application of profibus - dp, modbus / rtu protocols in thermoeiectrical plant, and puts forward that adopts this kind of fieldbus control system technique to realize the design method and system configuration of dcs control

    文中首先研究了現場總線的應用現狀和存在的不足,以及網路和通信系統的結構,析了現場總線的發展趨勢,著重析了profibus - dp , modbus rtu在燃氣電廠dcs中的應用情況,並提出了採用此類現場總線技術的現場總線控制系統( fcs )實現dcs控制的設計方與系統置。
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