vacuum transfer 中文意思是什麼
vacuum transfer
解釋
真空輸送-
The substitution of evacuated powders for high vacuum alone will usually improve the insulation by reducing the radiant heat transfer.
只需用抽空氣體的粉末而不用單純的高真空，一般便可減少輻射熱傳輸，從而提高絕緣度。 -
First, the apparatus of spectral irradiance calibration is set up, and ultraviolet spectrum band uses a standard lamp offered by standard metrological institute of china, while vacuum ultraviolet spectrum uses a deuterium transfer lamp
地面輻射定標分為光譜輻照度定標和光譜輻亮度定標。光譜輻照度定標中選用了鹵鎢燈作為250nm 400nm標準光源，氘燈作為200nm 300nm的傳遞光源。 -
Firstly the paper summarized the methods of passing over of neutral section and its application status quo in the domestic and oversea. as the research object of the paper, the reason of over - voltage caused by the method of ground transfer by vacuum breaker is analyzed though simulation and experiment. and based on the analyze, a method of automatic passing over of neutral section using thyristor vale to controlling the phase of electric power is presents
本文首先綜述了國內外自動過電分相的方式及應用研究現狀，並以地面開關轉換方式為本文的研究對象，通過模擬和實驗，分析了這種方式產生過電壓的機理，以此為基礎，提出了以晶閘管閥控制電網電源投入時刻的自動過分相方案。 -
The factory mainly deals in : flat inclined transfer single double - die stand single multi - die head automatic hollow blow molding machine, storage type plastic hollow automatic molding machine, single dual - pipe extruder, corrugated tube agricultural drip irrigation tube extruder, extrusion machine set for irregular shape products, manual air blower, heavy - duty large -, medium - and small - scale powerful granulator, automatic vacuum suction molding thermoforming packing machine, and high - grade plastic granulator
振興塑膠機械廠主營項目為：平斜移單雙模架單多機頭全自動中空吹塑機儲料式塑膠中空自動成型機單雙管材擠出機組波紋管農用滴灌管擠出機組異型材擠出機組手啤吹氣機重型大中小型強力粉碎機全自動真空吸塑熱成型包裝機高品級塑料造粒機組。 -
The products include : flat inclined transfer single double - die stand single multi - die head automatic hollow blow molding machine, storage type plastic hydraulic automatic hollow molding machine, single dual - pipe extruder, corrugated tube agricultural drip irrigation tube extruder, automatic machine set for hard pvc irregular shape products, manual air blower, heavy - duty large -, medium - and small - scale powerful granulator, automatic vacuum packing machine, and high - grade plastic granulator
主要產品有：單雙管材擠出機組平斜移單雙模架單多機頭全自動中空吹塑機儲料式塑膠中空自動成型機波紋管農用滴灌管擠出機組異型材擠出機型手啤吹氣機重型大中小型強力粉碎機全自動真空吸塑熱成型包裝機高品級塑料造粒機組。 -
The theory of interface of two - phase fluid id used to analyze the role of the interfacial heat transfer resistance in cond ensation process, it shows that the interfacial heat transfer resistance can not be ignored under such a vacuum condition, and the effect on heat transfer process becomes declined with the increasing of vapor pressure
應用兩相界面理論分析了汽液界面熱阻在水平管內低壓蒸汽冷凝過程中所起的作用，發現實驗范圍內汽液界面熱阻不可忽略，且其對冷凝傳熱過程的影響隨蒸汽壓力的增大而減弱。 -
Chart industries vacuum insulated pipe systems are designed for the transfer of cryogenic liquids at extremely cold temperatures needed for flash freezing, aerospace applications, super conducting research, liquid nitrogen fogging for special effects, and many more applications
查特真空絕熱管道系統的設計是為需極低溫度深冷液體應用：冷凍，航空，超導研究，用液氮產生特殊效果的煙霧，及其它各種用途。 -
Also available : mobile transfer units, cold converters and mini - bulk pallet base containers. we can also provide the standard large range of cryogenic vacuum isolated tanks which are available in a comprehensive range of working pressures and standard capacities
立式貯罐和臥式貯罐可用於存貯大氣中的氣體二氧化碳並且可以提供電子級服務，同時也適用於：槽車罐冷交換器和 -
The bigger the diameter, the high the heat efficiency, but the weak the temperature increasing ability, length has less effect on the heat efficiency, tilt angle has less effect on the flow field and temperature field while it is larger than 30 degree, vacuum degree and emissivity have great effect on the flow field and temperature field while there is a great temperature difference between the liquid in the tube and the surroundings, the furring has less effect on the heat transfer but should be cleaned up in 3 - 5 years because of poor water quality, the higher the solar flux or the more the temperature difference between the liquid and the surrounding, the more the heat loss and the lower the heat efficiency
分析了各種因素對太陽能真空集熱管流場和溫度場的影響。直徑越大，熱效率越高，但升溫能力弱；長度對熱效率影響不大；傾斜角度大於30后，自然對流已經能夠充分進行，考慮以能夠吸收到最大太陽輻射為主；真空度和發射率對熱效率和溫度場影響很大，尤其是在介質溫度與環境溫度差異比較大時；水垢對傳熱影響較小但由於水質的問題應該被3 5年清洗一次；太陽輻射強度越大，介質溫度與環境溫度差異越大，熱損失越大，效率越低； 4 -
The development of the heat and mass transfer during vacuum freeze drying
真空冷凍乾燥過程傳熱傳質理論研究的動態 -
The influence of difference in temperature, reynolds number of film, vacuum degree and spring parameter to the heat transfer capability on the evaporation side was studied through the uniform wall temperature experiment, by the result, the heat transfer coefficient on the evaporation side can be improved by inserting spring with proper parameter. when the reynolds number was between 4000 and 14000, and the heat transfer coefficient can be improved nearly 30 percents by inserting the fifth spring when the reynolds number nearly was 12000
採用8種參數的螺旋線，通過恆壁溫實驗探討了傳熱溫差、雷諾數、真空度和螺旋線參數對蒸發側傳熱性能的影響，結果表明，插入參數合適的螺旋線，在雷諾數為4000 14000范圍內可以提高蒸發側傳熱系數，在雷諾數為12000左右時，加入5號螺旋線可以使蒸發側傳熱性能提高30左右。 -
Measurement of convective heat transfer coefficient by vacuum membrane distillation
用減壓膜蒸餾測定對流傳熱系數的研究 -
Vacuum pickup transfer
真空吸頭式轉移 -
At present, the crystal growth equipment is equipped with vacuum tube hf ( lmhz - 2. 5mhz ) induction heating power supply. while this supply has many disadvantages, such as low reliability, short longevity of vacuum tube, operational safety, low transfer efficiency
目前，用於晶體生長的區熔式單晶爐配套使用的是國外進口或國內生產的真空電子管式高頻感應加熱電源，存在諸如可靠性差、電子管使用壽命短、操作不安全、變換效率低等問題。 -
While this kind of power supply has many disadvantages, such as low reliability, short longevity of vacuum tube, operational safety and low transfer efficiency, existing huge capacity solid induction heating power supply cannot replace them to meet industrial needs
目前，國內用於晶體生長的區熔式單晶爐配套使用的是國外進口或國內生產的真空電子管式高頻感應加熱電源，存在諸如可靠性差、電子管使用壽命短、操作不安全、變換效率低等問題。 -
The effects of operation on the heat and mass transfer during vacuum freeze drying are studied in the experiment
對影響真空凍乾的過程參數進行了試驗研究。
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