氣力分選 的英文怎麼說

中文拼音 [fēnxuǎn]
氣力分選 英文
air classification
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • 氣力 : effort; energy; physical strength
  1. The author wish this study win be used in the development of numerical control dividing lathe that can divide into groups of the size for precise measure of thickness of ompressor carboy hatch soft shim the system of pneumatic measure applied widely for component measurement in produce process in factory. the author 100kup a large number related documents over about one and half year for research and went to factory and related research institute for investigating

    並希望將這一研究結果應用於對「壓縮機缸蓋軟體墊片」厚度尺寸精密測量組的數控機的研製。動測量系統以其測量倍率高、測量精度高、測量小( 0 . 05 1n ) 、對被測工件有自潔作用、測量精度保持性好、抗干擾能強等優點而被廣泛應用於工廠生產過程中的零件檢測。
  2. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行析,取適當的微元控制體,就干、濕和霜工況下對每個微元別進行傳熱傳質析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態佈參數和參數間定量耦合的觀點來析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱參數、空溫濕度和霜厚度佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  3. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    擇了等比例長孔式混合器控制空燃比;通過提高壓縮比來彌補動性的損失;以動性為主控目標,對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節;通過空燃比的合理控制,直接改善發動機的動性、經濟和排放指標;作為對缸內燃燒過程的理論析,進行了燃燒特性的實驗測試;對原汽油機和新開發的液化石油發動機,進行了外特性和部負荷特性以及怠速的排放及噪聲對比性測試。
  4. General speaking, if it is the drying of the electuary and granular materials, which have relative large proportion, only the cyclone separator is needed

    一般來說,比重較大的物料只需擇旋風離器。比重較輕的物料需配套布袋除塵器,並備有送料裝置供擇。
  5. Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc

    研究表明,查干凹陷中心的地溫梯度高於凹陷邊緣,大地構造性質及所處構造部位、巖性與地下水活動的差異是影響凹陷地溫場佈特徵的主要因素;泥巖壓實存在正常壓實、欠壓實和過壓實三種類型,砂巖儲層段壓類型可為正常和負壓兩個系統,地層抬升剝蝕是導致儲層負壓系統形成的主導因素;凹陷獨特的溫壓場特徵對烴源巖成熟、油生成、油勘探領域的擴大及勘探方向的擇等具有重要的油地質意義。
  6. And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor

    總線採用isa內部總線;介面主要有模擬量輸入介面、模擬量輸出介面、開關量輸入輸出介面等,課題用pc - 6330d型a d板卡、基於isa總線的型號為pcl - 728的d a板卡、型號為ipc - 5375的i o板卡;另外,課題用了微動式行程開關、壓變送器作為傳感元件檢測系統,用繼電器、電磁控制換向閥實現對缸、電機的控制;採用vc + + 6 . 0編制控制軟體,實現了纖維鋪放技術的計算機控制。
  7. Light kernels may be removed by a pneumatic or air seperator.

    輕的粒籽可以通過空,即機清理出來。
  8. The flow behavior of resin, water outlet structure at bottom of the mixed bed, water inlet position of hydraulic transportation, water intake ratio, and pneumatic transportation etc. have been analysed, giving out optimal selection of them combined with reality in the field

    對樹脂的流動性能、混床底部出水結構、水輸送進水位置、進水比例以及輸送等進行了析,並結合實際給出了最佳擇。
  9. Through this new system, the plant can produce more high quality ashes. the detailed works are involved hi following aspects : i ) the decision of building a new gas - ash - removing system is made, though a broad investigation and a systemic analysis of the original hydro - ash - removing system. ii ) the project of building the improved dry ash handling system is designed

    本文主要對某電廠的干除灰系統進行改造,在保留原有水除灰系統的基礎上,再增加一套除灰系統和設施,使得電廠生產出更多的一級粉煤灰以及其它等級的粉煤灰,達到粉煤灰綜合利用的目的。
  10. Introduction to general ideas in air pollution control, air pollution effects, design of wall collection devices ( gravity settlers, centrifugal separators, electrostatic precipitators ), design of dividing collection devices ( surface filters, depth filters, scrubbers for particulate control ), design of controlling by concentration and recovery ( condensation, adsorption, absorption ), design of controlling by oxidation ( combustion, biological oxidation, biofiltration ) and the choosing of a control technology

    本課程介紹空污染防制概念,空污染之影響,壁式集塵設備之設計(重沉降室、離心離器、靜電集塵器) ,隔集塵設備之設計(表面過濾器、深層過濾器、洗滌器) ,以濃縮回收之控制設計(冷凝、吸附、吸收) ,以氧化之控制設計(燃燒、生物氧化、生物過濾) ,以及控制技術之擇。
  11. A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle

    試驗研究發現,體噴嘴位置對固噴射器的輸送能影響最大,體噴嘴存在某一最佳位置,而這一最佳位置與背壓、輸送物料特性和輸送風特性相關聯;固噴射器的收縮角對其輸送能、內部靜壓佈和輸送管阻特性均有適量影響,收縮角增大對整個輸送系統均不利;在適當的輸送風范圍內,提高體噴嘴出口速度比擴大體噴嘴尺寸更為有利,但體噴嘴出口速度過高會增加固噴射器和輸送管內的能量損耗,給輸送帶來不利的影響;系統背壓與固噴射器的體噴嘴出口速度的取有關。
  12. Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability

    基於變壓器油中溶解析,提出了一種基於群灰色關聯度析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造,擇變壓器典型故障樣本構造多組參考序列,這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法,計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法,計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例析,所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯析方法,具有較好的類診斷能和可靠性
  13. After the introduction of the selected elements, the thesis gives out a design which includes a front control center based on siemens s7300 plc 、 a line connection of the master profibus and the distributed intelligent i / o et200m system 、 a real - time display system of pressure sensors and a gas supply system with stop valve and electric actuator

    本文在介紹了所擇器件情況基礎上,設計了基於siemenss7300plc為前端控制中心,利用profibus總線接散式智能i / o et200m系統,壓傳感器現場顯示,截止閥加電動執行器實現配的方案。
  14. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀,本文借鑒眾多學者的研究方法和觀點,在吉林農大黑土區擇利用方式不同的玉米地、休閑地、果園、草地,在玉米區進行了不同數量的施肥,通過野外試驗,採集一年自然降雨產流及泥沙樣品,同時採集降雨前後的耕層土壤樣品,研究了黑土區地表徑流對氮磷養特徵及肥退化的影響,結果表明:土壤侵蝕和氮磷的流失受諸多因素的影響,降雨量、降雨強度是重要因子,而降雨強度是影響農田地表徑流養流失的最重要的象因子,特別是暴雨,暴雨徑流中氮磷濃度較平時高得多;隨作物生長,覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異,氮磷流失都表現為顯著的差異。
  15. ( 9 ) by studying matching between catalytic converter and exhaust gas system, the conclusions having been gotten as follow : " purifying step by step and driving step by step " and " mental substrate and chinaware substrate being used in same engine " being the laying principles in exhaust gas system, which can solve the contradiction between high converting efficiency of exhaust emission and small loss of power, fuel economics, the rapid light - off and laying difficulty of catalyst

    ( 9 )進行了催化轉化器與排系統的匹配研究,對于催化劑的布置,提出了「級凈化,逐級推動」的原則;對于載體形式的擇,提出了「金屬載體和陶瓷載體復合」使用的原則。這樣可以良好的解訣催化轉化器與發動機匹配時,排污染物高凈化率與動性經濟性損失小之間的矛盾、快速起燃和結構布置困難的矛盾。
  16. This article angle has analyzed the higher professional technical education from cbe / dacum " the electrical control technology " the curriculum ability localization, according to the higher professional technical education " the electrical control technology " the curriculum ability localization, point out the insufficiency and flaw existed in commonly used control electric appliance choice, electrical pilot wire road map, electricity control system installment, wiring craft, electrical control line fault diagnosis system approach, new starting velocity modulation equipment and control circuit, control circuit and main circuit aspect and so on

    摘要本文從cbe / dacum角度析了高職「電控制技術」課程的能定位,根據高職「電控制技術」課程的能定位,指出了現行高職「電控制技術」教材在常用控制電器擇、電控制線路圖、電控制系統安裝、接線工藝、電控制線路故障診斷的系統方法、新型起動調速設備及控制電路、控制電路與主電路的連接等方面存在的不足和缺陷。
  17. Based on these, the 200mw turbine unit of panxian thermal power plant is selected, and the key problems are analyzed, such as, selection of cool medium, flow path of medium, thermal stress during fast cooling etc. the cfd software is adopted, and the maximal thermal stress, the optimum cooling model and system, and the autocontrol scheme during fast cooling, are gotten. in the end, the results are applied in the site. the optimum cooling model and system, and the autocontrol scheme would be provided reference as the other similar units

    於此,本文以盤縣發電廠200mw汽輪機為研究對象,對發電廠汽輪機組空冷卻裝置及系統現狀深入析基礎上,應用cfd軟體數值模擬了不同工況時汽輪機缸壁溫度變化情況,對200mw汽輪機快冷過程中控制指標進行析,優化機組的快速冷卻過程,合理快冷設備、系統,優化控制曲線,析最大熱應值及最佳冷卻方式擇,同時,對現有盤縣發電廠汽輪機組快速冷卻系統進行優化改進,並進行了實驗與實施。
  18. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,析了動系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動泵站的結構設計和參數設計,重點研究了液壓動泵站的結構設計、液壓泵馬達可逆性問題及其型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電接線、計算機控制及數據採集系統的硬體設計等內容。
  19. This paper predicts the potential of residual resources and unproved reserves in liaohe oilfield, analyzes the exploration degree and direction, evaluates and optimizes each zone, defines 7 key zones for recent exploration in the oilfield, and demonstrates the geological conditions, resource potential and exploration targets in each key zone

    運用多種方法對遼河油田剩餘資源潛及近期待探明儲量進行了預測,並從勘探程度和勘探方向析入手,對各個區帶進行了深入評價和優,明確了近期遼河油區的7個重點勘探區帶,並對各重點區帶的石油地質條件、資源潛、勘探目標進行了論證析,為近期油勘探指明了方向。
  20. Dynamics of single particles of dry coal separating in the air dense medium fluidized bed

    重介質流化床干法原理的單顆粒動學描述
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