泵空化 的英文怎麼說
中文拼音 [bèngkōnghuà]
泵空化
英文
pump cavitation-
Changes of the longitudinal and transversal wave velocities in different directions and the rock velocity anisotropy as a function of confining pressure have been studied under laboratory ultrasonic frequency for shale and sandstone with marked foliation, which had been saturated by the fluids with different viscosity kerosene and vacuum pump oil and salinity distilled water, 50000
利用不同黏度煤油和真空泵油不同礦化度蒸餾水50mg l和150mg l的nacl溶液的流體對頁巖和具有明顯層理的砂巖進行飽和，在實驗室超聲頻率下研究樣品不同方向縱橫波速度以及各向異性參數This plastic soft tube, transparent and no poison, has steel ware screwly inserted in the pvc boby. it fits to the temperature from zero to 65 degree above zero. the characteristics of it are high in elastic, rub - resist and an excellent ability of resisting solvent ( mostly are chemical additive ). it can be widely used in the vacuum pumps in farming, watering, shipping, oil chemical industry, plastic processing machinery and sanitary equipments for foodstuff, ect
本產品為內嵌螺旋鋼絲骨架的pvc透明無毒軟管，使用溫度0 - + 65 ，該產品高彈性，耐磨並有優良的耐溶劑性（大多數化學助劑） ，可用於真空泵農業機械、排灌設備、石油化工設備、塑料加工機械及食品衛生機械等行業。B. arnhold maschinenbau - zubeh ? r offers you pertinent information by telephone for the ranges compressed air engineering, pneumatic tools and compressors in addition to vacuum pumps. contact b. arnhold maschinenbau - zubeh ? r
R是一家現代化的、可靠的專門產品供應商，這家供應商從事氣動技術，風動工具，液壓配件，壓縮機，真空泵的製造、銷售。請您訪問我們的主頁，垂詢當前的信息和服務。Cyz - a self - priming centrifugal oil pump according to domestic and international to develop newest pump products that become after digesting, absorbing, improving about technical data by oneself, domestic blank, unique, extensively suitable for the oil depot, service station, oil ship, oil carrier, quay, oil truck, airport, send the petrol, kerosene, diesel oil, boat coal etc
型自吸式離心油泵是根據國內外有關技術資料經消化、吸收、改進后研製而成的最新泵類產品，國內空白獨一無二，該泵適用於石油行業、陸地油庫、油灌車的理想產品，並適合於作船底泵、消防泵和壓載泵及機器冷卻水循環等，分別輸送汽油、煤油、柴油、航煤等石油產品和海水、清水，介質溫度- 20 80 ，加輸送化工液體可改用耐腐蝕機械密封。It expands work work cleaning space, reduces maintenance time, adds special blackening resistance device and prevents from producing oxides and polluting by applying single cantil - evered pump device instead of traditional fixing device
單懸臂泵浦裝置，不同於傳統固定裝置，加大作業清理空間，縮短保養時間，附加獨特防炭粉?生裝置，減少氣化渣?生及污染。Attestation car of gmp : the special wall face with the ground material, in addition to the dust equipments, in addition to the wet equipments, constant temperature equipments, the pure water decontamination system, purify the air condition, cleanness to deliver the machine, cleanness to deliver the window, breeze to pour the room and transport with connect the appropriation tube piece with to pump the valve, stainless steel ware, professional clothing and product, the air compressor, calculator related system and software, the factory motive equipments and attestation of gmp of other products and equipments
Gmp認證車間特別墻面與地面材料除塵設備除濕設備恆溫設備純水凈化系統凈化空調潔凈傳遞器潔凈傳遞窗風淋室輸送與連接專用管件與泵閥不銹鋼製品專業服裝與製品空氣壓縮機計算機相關系統與軟體工廠動力設備及gmp認證的其它產品與設備。If provided with high pressure pump and water gun, it can make up a hydraulic mechanized earth work unit, used for ground leveling, dredging in rivers and pools, digging, excavation and transportation in small hydraulic engineering, as well as the air defense and underground project in cities
若與高壓水泵，水槍配合，組成水力機械化土方工程機組，就可用作于土地平整，河道與池塘的疏浚、鑿開等小型水力工程的挖方與輸方，以及城市的防空工程，地下工程。Yuyao elan sprayer co ; ltd specializes in manufacturing cosmetic packaging of various specification. our principal products including perfume sprayers, trigger sprayers, lotion pump, airless bottles ， perfume atomizer and other top grade cap
餘姚市意然噴霧器有限公司是專業生產各種微型噴霧器、乳液泵、真空瓶、香水樽及各種高檔化妝瓶（蓋）等日用包裝企業。Theoretical analysis of photovoltaic heat pum p for enhancing heat rejection of space radiator
光伏熱泵強化空間輻射器排熱的理論分析In the text thermodynamics and heat transfer calculation of the no - pump libr absorption refrigeration were performed, and carried out the values of various state point, the heat load and the areas of each apparatus
文中對無泵溴化鋰吸收式空調器進行了傳熱與熱力計算，給出了各個狀態點的參數和換熱面積。Turpa - a series of highly refined base oils which possess wccellent demulsibility, anti - foad and air release properties. containing antioxidant and anti - rust additives to impart high resistance to oxidation ant high temperature and to acid formation. turpa is specially recommended for steam, gas and water turbine, turpa fufills the most severe operating conditions imposed by modern heavy duty gas turbine as other general applications, such as vacuum pump, air compressor and hydraulic system, where the qualities of turbine oil are required
德霸-高度精煉礦物油，具備了優良的抗乳化性、抗泡性及空氣釋放性，配合抗氧化劑及防銹劑，在高溫時不易氧化及產生酸性，推薦應用於蒸汽、烯氣及水輪機，德霸能滿足新式燃氣渦輪機的嚴苛操作環境，也能應用於需要一般透平機油特性的操作，如真空泵、空氣壓縮機及液壓系統等。This experiment include many contents, in a word, that is summer condition experiment, winter condition experiment > summer - winter transition condition experiment and winter - summer transition condition experiment, furthermore summer condition experiment still include flux changing experiment and winter condition experiment still include thermal balance experiment this article dealt with the data of the test, calculating out energy absorbing ( energy discharging ) of buried pipe in winter condition ( summer condition ), input power of heat pump x heat exchanging of piece buried pipe length x co - efficiency performance ? op ( energy efficiency rate ? er ) and average heat exchanging coefficient ; in additiont this article compares the inlet water temperature and outlet water temperature of underground the first layer and the second layer buried pipe when heat pump was running, the results are that the heat exchanging ability of the second layer buried pipe outgos the first layer buried pipe, and heat exchanging is more stable ; and still analyse earth temperature resuming in the transition season. the results are earth temperature resume fast in the first week when the heat pump runs off
本文測試內容相當多，概括地說就是四個工況的測試，即夏季製冷工況的測試、冬季供熱工況的測試、夏?冬過渡季測試和冬?夏過渡季測試；另外在夏季工況的測試中還進行了變流量測試，在冬季工況的測試中還進行了熱平衡測試。本文對測試數據進行了處理，計算出了冬（夏）季工況埋管吸（放）熱量、熱泵空調器供熱量（製冷量） 、熱泵空調器輸入功率、埋管單位管長換熱量、供熱性能系數（製冷能效比）和平均傳熱系數等；另外，還比較了熱泵運行時地下一二層埋管進出水溫度變化情形，得出地下二層埋管換熱能力優于地下一層埋管，且換熱很穩定；並分析了過渡季地下一二層埋管溫度恢復情形，得出熱泵系統停機一周內地溫恢復特別快。Based on the calculated result, according to the principle of mass conservation, energy conservation and the phase equilibrium, a thermodynamics model of the system was set up
並在設計計算的無泵溴化鋰吸收式空調器的基礎上，根據製冷系統內部的能量平衡，質量平衡，以及相平衡，建立了無泵溴化鋰吸收式空調器的熱力學系統模型。A program was designed from the model, carried a simulation under different operation states. having a analysis and getting the system running performance under different operation states
並進行了變工況系統模擬，得到了詳盡的模擬結果，並對模擬結果進行了分析，得到了無泵溴化鋰吸收式空調器在變工況下的運行特性。Fluid machinery in these areas is damaged due to cavitation and sand abrasion, which has threaten directly the safety operation of hydraulic and hydroelectric engineering, causing huge economic losses. the research, therefore, on the combined effect of cavitation and sand abrasion is of great significance. the researchers at home and abroad have done a lot of work on this issue
我國許多河流的含沙量較大，如著名的黃河幹流年均含沙量達37 . 9m ~ 3 / s ，黃河三門峽的年平均輸沙量達16億t ，這些地區使用的泵、水輪機等許多流體機械都在夾沙水流的作用下，受到了沙粒磨損與空化剝蝕的聯合破壞，這種破壞直接危害了水利水電工程的安全運行，造成了巨大的經濟損失，因而對含沙水流條件下空化剝蝕與泥沙磨損聯合作用進行研究有著很大的工程實際意義。However, researches on design of the geothermal heat exchanger ( ghe ), performance predictions of the gshp systems and system optimization are far from adequate. besides, no national standards and criteria are promulgated for the gshp systems. this situation impedes its application
但是有關地熱換熱器的設計、地源熱泵空調系統的性能預測、系統的優化設計等方面的研究還很不完善，也缺乏相應的規范，這在很大程度上制約了地源熱泵的應用。Taking water source heat pump ( wshp ) system as an example, this paper is concerned with the process model, steady - state optimization model and optimization algorithm based on the analysis of characteristics of the system
本文以水源熱泵空調系統為例，針對其運行過程，對系統工作特點進行深入分析，系統地研究了水源熱泵空調系統的過程模型、穩態優化模型及模型演算法。Then, deeply analyzing optimization characteristics of the wshp system and fixing optimization object and variables of the system, combining with mathematical models of all parts and with factors of safety, stability and feasibility etc as restriction conditions, steady - state optimization model of the wshp system is established. adopting sqp algorithm and on the platform of matlab, the optimization model is solved
然後，對水源熱泵空調系統的優化特性進行深入的分析，確定系統的優化目標和優化變量，結合系統各部件的數學模型，以系統運行的安全、穩定、環保和可行等因素作為約束條件，建立了與實際水源熱泵空調系統相符合的穩態優化模型，新的模型進行了合理的簡化，更具可行性。Ground - loop heat exchanger is an important part of the gshp air - conditioning system and deferent from other traditional air - conditioning systems. this paper gave detailed designing method of ground - loop heat exchanger, including load calculation, pipe layout, choice of tubes and its material, antifreeze method, calculation of pressure drop, etc. taken the gshp air - conditioning system in the report room of shandong institute of architecture and engineering as an example, its design was analyzed and the optimization design of ground - loop heat exchanger was proposed
地熱換熱器是地源熱泵空調系統中室外部分的重點和核心設備，也是地源熱泵空調系統在結構上不同於傳統空調系統的特殊之處，本文詳細闡述了地熱換熱器的設計步驟；分析了地熱換熱器的傳熱性能及設計計算；以山東建築工程學院學術報告廳的地源熱泵系統為例進行了優化設計分析研究。In the text applying the theory of two - phase flow ' press - drop and diversion - phase model, having a analysis to the press characterize of the important part namely the bubble pump of the no - pump libr absorption air - condition, and set up the relational mathematical model
本文對無泵溴化鋰吸收式空調器的關鍵部位，氣泡泵的特性按照流體力學兩相流的理論進行了分析研究，並應用兩相流的分相模型，建立了數學模型，並進行了數值模擬計算。分享友人