vacuum performance 中文意思是什麼

vacuum performance 解釋
真空性能
  • vacuum : n （pl vacuums vac ua ）1 真空；空處，空虛，空白。2 〈美口〉吸塵器（＝ vacuum cleaner）。vi vt 〈...
  • performance : n. 1. 執行，實行，履行；完成；實現；償還。2. 行為，動作，行動；工作。3. 性能；特性。4. 功績；成績。5. 演奏；彈奏；演出；（馴獸等的）表演；把戲。6. 【物理學】演績。
  1. After vacuum concentrating and discoloring with 1. 5 % h2o2, then adding mixed fatty acid or mixed fatty acid ethyl ester as a fluidizing liquor, the hydrated rapeseed phosphatide can be mixed with 50 % soybean meal and 50 % diatomite to manufacture a premixed feed from rapeseed phosphatide, which can obviously improve the production performance when applied to feed giant freshwater prawn and duck

    摘要菜籽水化磷脂經真空濃縮，用質量分數1 . 5 %雙氧水脫色，然後添加適量混合脂肪酸或混合脂肪酸乙酯作流質劑，與50 %豆粕加50 %硅藻土組成的混合載體製成磷脂預混飼料，用於飼喂羅氏沼蝦和蛋鴨，生產性能明顯提高。
  2. Specification for air performance measurement plenum chamber for vacuum cleaners

    真空吸塵器充氣室空氣動力性能測量規范
  3. Standard specification for air performance measurement plenum chamber for vacuum cleaners

    真空吸塵器充氣室空氣動力性能測量用標準規范
  4. A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well

    液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計，具體包括:集流體的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電極膜的厚度、不同集流體的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后靜置時間的長短、化成制度的影響、化成時電池所具有的壓力影響、抽真空的處理、正負極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順序，確定正極膜中的導電劑的加入量分別為5mass %和9mass % ;負極膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;化成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正負極活性物質的質量比應當在2 . 1 : 1 2 . 15 : 1之間。
  5. Application : rotary disk vacuum filter is characterized by its simple structure, good adaptability, stable performance, quick dehydration and efficiency of cleaning. it is advantageous in handling a large quantity of suspension with rapid desizing in unit time

    適用范圍：轉臺真空過濾機具有結構簡單、工藝適應性好、運轉平穩、脫水快、洗滌效果好的特點，對于脫漿快的懸浮液，更有單位時間處理量大的優點，特別適用於洗滌要求高，含中粗顆粒料漿的過濾。
  6. The main products of our company : series of mining emulsion pump station, series of electric haulage shearer, sparying pump station, series of mining flame - proof vacuum / air electromagnetic starter, series of mining vacuum / air feeding switch, series of mining fame - proof and natural - safe. type ac soft starter, series of hydraulic stand valve and pipe system, high flow rate quick - moving valve, the new product nearing into market - the hydraulic support electric - control system, mining electric drill, hydraulic valve test table, electric performance test table

    公司主導產品為：系列電牽引採煤機、系列礦用乳化液泵站、噴霧泵站、礦用隔爆兼本質安全型交流軟起動器、系列礦用隔爆真空、空氣電磁起動器、系列礦用真空、空氣饋電開關、系列液壓支架閥類及管路系統、大流量快速移架閥、即將投入市場的新產品? ?液壓支架電液控制系統、煤電鉆系列、液壓閥試驗臺、電性能試驗臺等。
  7. The construction, performance and the working principle of vh vacuum heating water heater unit are discussed. the applications of the unit are also introduced

    摘要闡述了vh真空熱水機組的工作原理、結構組成和性能特點，介紹了該機組在供熱、採暖系統中的應用。
  8. Positive - displacement vacuum pumps - measurement of performance characteristics - part 2 : measurement of ultimate pressure

    容積真空泵.性能特性的測定.第2部分:極限壓力的測定
  9. Vacuum technology - sputter - ion pumps - measurement of performance characteristics

    真空技術.噴射離子泵.功能特性的測定
  10. Apply the vacuum arcing chamber, air insulation and includes electric spring operation mechanism so that the product arcing ability is strong, short open circuit times is many, no fire and explosion danger, convenient operation, it is the product of good performance, and strong usefulness

    採用真空滅弧室，空氣絕緣配以電動彈簧操動機構，使得產品滅弧能力強，短路開斷次數高，無火災爆炸危險，操作方便，是一種性能優良，實用性較強的產品。
  11. The experiments show that ultrasonic motors can operate under vacuum condition, but the performance is different from that under general condition, its unloaded speed decreases significantly, while the stall - torque increases a bit

    試驗結果表明，超聲電機可以在真空環境下工作，但性能較常態環境下有所變化，其空載轉速明顯下降，堵轉力矩有所增大。
  12. Therefore, in order to understand the long - time performance of the weld, it is necessary to study the welding interface of niobium alloy and stainless steel, and know the microstructure evaluation. explosive welding and vacuum electron beam self - material brazing were used to prepare the specimen

    因此，研究鈮合金與不銹鋼的焊接結合層，分析形成的互擴散層的組織、成分和性能變化，對了解不銹鋼和nb合金的互擴散反應行為，焊接件的焊接工藝改進和長期使用性能的評估是很有意義的。
  13. The explosive welding specimen were also annealed in vacuum at various elevated temperature from 1000 to 1300. optic microscope, sem, tem and eds ( electron diffraction scattering ) techniques are applied to observe the microstructure and the element profiles of the welding interface and the interdiffused layer, reveal the interdiffused performance of alloy elements at elevated temperature, and analyze the structure and composition of the precipitated phases. moreover, the tensile strength of welding line with the two different techniques and various welding parameters were carried out

    採用金相、掃描電鏡、透射電鏡、能譜等多種實驗手段對焊接結合層的微觀組織結構、高溫下nb - 1zr與不銹鋼合金元素的互擴散行為，形成的互擴散層的成分、金相組織和擴散層中的析出相的相組成和相結構等，都進行了較為詳細的分析，並且對在不同工藝、不同焊接參數下焊接的nb - 1zr合金和不銹鋼的焊縫做了強度實驗研究。
  14. According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity

    論文的工作和新見解主要包括： 1在設計狀態和工作狀態下，根據mpt的實驗參數，對mpt使用不同工質時的性能進行了工程估算，這對mpt現階段的實驗研究和今後的研究有重要的指導意義； 2對于he 、 ar推進工質，討論微波的接頭材料、探針與內導體的間隙、內導體的位置、微波的輸入功率、工質的質量流量以及環境真空度對mpt真空啟動和穩定工作的影響，並探討微波的輸入功率、工質的質量流量對諧振腔壓強、推力、反射功率以及諧振腔溫度的影響； 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工質，主要討論與he 、 ar工質不同的特性，並從長遠的眼光和工程應用的角度，認為其可行性不容置疑，潛在優勢不可忽略，是未來mpt應用的主流推進工質。
  15. The flashover performance of alumina ceramics can be evaluated based on the above results, and it is helpful for choosing a proper material used in vacuum insulation system. 4

    本研究結果為評價材料在真空中的沿面閃絡性能提供了一個參考標準，對正確選擇真空用陶瓷絕緣材料有重要意義。
  16. Surface flashover across the insulators in vacuum is the major limitation of the performance of the high power system, such as high power microwave tube, pulse power switch, high - energy linear accelerator, etc. flashover studies are of considerable importance in many applications. alumina ceramics are used widely in vacuum insulation system. the flashover and charging performance have been systematically investigated on alumina ceramics in vacuum under pulse voltage ( 0. 7 / 4 ^ 8 )

    真空中絕緣子沿面閃絡現象是制約高功率微波管、脈沖功率開關、高能粒子加速器等系統性能的主要原因，這是因為真空中絕緣子在一個比自身及相同真空間隙擊穿電場低得多的電場下就發生了表面閃絡的緣故，研究真空中絕緣子沿面閃絡現象及其形成機理對于改善和提高系統性能有重要意義。
  17. Vacuum technology. methods of measurement of the performance characteristics of turbo - molecular pumps

    真空技術.渦輪分子泵功能特性的測定
  18. Structure amp; amp; performance of vacuum hot water boiler

    燃氣真空熱水鍋爐的構造特點及工作特性
  19. The results indicate that the optical performance and coating quality have been improved drastically by using ion - assisted deposition technology in the vacuum deposition, in comparison with the traditional thermal vapor deposition

    結果表明，與傳統的熱蒸發鍍膜工藝相比，在真空沉積過程牛採用離子束輔助沉積技術，可以大大提高膜層的光學特性及膜層品質。
  20. Because field - emission devices have strict requirement for the vacuum environment, the vacuum performance of the field - emission cathode was very significant

    由於真空場發射器件對于器件內部真空度的要求很嚴格，因此場發射陰極材料的真空性能非常重要。
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