vacuum technique 中文意思是什麼

vacuum technique 解釋
真空技術
  • 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 〈...
  • technique : n. 1. (專門)技術;(藝術上的)技巧,技能。2. 手法〈如畫法,演奏法等〉。3. 方法。
  1. Manufacturing technique of wax microcrystalline : with crude oil vacuum residua fractions as material, it is made from propane taking off asphaltum, furfural refining, ketone benzene taking off oil, and argil refining

    微晶蠟的生產工藝流程:本產品以天然原油的減壓渣油為原料,經丙烷脫瀝青、糠醛精製、酮苯脫油、白土補充精製及加氫補充精製冷卻后成型而制得該系列產品。
  2. Development and application of vacuum freeze - drying technique in biomaterial preparation

    真空冷凍乾燥技術在生物材料制備中的應用與進展
  3. We have been closely cooperated with beijing institute of technology, one of the most prestigious university in china, and co - developed ion vacuum plating technique, multi - arc tin coating technique and twin - eccentric automatic fuel supply advancer in the recent years successively, and acquired many patents. the sag and scda series fuel supply advancer manufactured in one of our branch company : has adopted the advanced twin - eccentric blocks structure, thoroughly changed the traditional structurearc block, sliding block. the angle of advance is very accurate and precise, also perfect at position resume

    由本總公司提前器廠生產的sag scdm兩大系列供油角度自動提前器,改變了目前提前器市場上的傳統結構,用先進的雙偏心式結構,代替了二十年一貫制的弧形塊滑塊式結構,具有提前角特別靈敏,恢復性好,怠速運轉無噪音等優點,克服了提前器擺動大漏油等常見缺陷。
  4. Certificated product of ministry of electricity, is adopted the latest technique integrated settling method, coacervation, vacuum separation, absorption, centrifuge method, pressure filtration with string capacity of demulsification, dehydration, degassing, impurity removal

    該機採用最新工藝,融合重力沉降法凝聚法真空分離法吸附法離心分離法壓力過濾法的優點於一體,具有很強的破乳化脫水脫氣除雜質的能力。
  5. Fundamental of laser 40ar / 39ar dating method : our laboratory has successfully set up the laser microprobe 40ar / 39ar geological dating method. our works include adjustment of the high - gain electron multiplier in mass spectrometer and correction of mass discrimination, adjustment of the laser, test for absorption ability of minerals to laser, designing and manufacturing high - vacuum sample chamber, sample preparation and irradiation, research on the variability of j values on the surface of rock chips, measuring atmospheric argon, determination and correction of blanks and ages, etc. the laser microprobe technique is particularly effective for some geological samples. it can be used, for example, for research of distribution of the components in extremely small samples that are very difficult to be separated and purified and those which contain excess argon

    本文首先從常規~ ( 40 ) ar ~ ( 39 ) ar階段升溫定年實驗室的改進入手,進而建立了激光~ ( 40 ) ar ~ ( 39 ) ar定年實驗室,利用這兩種先進同位素地質定年方法,結合其他手段,對青藏高原腹地和北緣的阿爾金斷裂系多期地質事件進行了詳細的同位素年代學研究:一、參照國際先進實驗室的流程,對我們的常規~ ( 40 ) ar ~ ( 39 ) ar階段升溫實驗室在樣品的預處理、樣品的照射條件和系統空白測量及校正等方面進行了改進,使之產出的同位素年代數據更可靠並為國際同行所承認。
  6. In this paper, metastable cu - al alloy powder with different aluminum content was prepared by mechanical alloying technique. high strength and high conductivity cu - al2c > 3 composites were prepared by a new type vacuum internal oxidation technique

    本文採用機械合金化法制備了不同鋁含量的亞穩態的cu - al合金粉末,採用新型真空內氧化工藝制備了不同成分的高強度高導電cu - al2o3復合材料。
  7. With the aid of baffle movement, a technique named masking pretreatment and the method of vacuum deposition have been used to fabricate the ag - o - cs photoemissive thin films with internal field - assisted structure for the first time. the internal field - assisted photoemission characteristics of ag - o - cs thin films show that the photoelectric sensitivity is increased when the internal electric field is applied to the thin films, which indicates that the electric field has been effectively provided to the thin films by the above - mentioned internal field - assisted structure. such an enhanced photoemission is attributed to the variations in energy - band structure of ag - o - cs thin films, and which are considered to induce the lower - energy electrons to participate in the photoemission

    通過掩膜預處理和擋板轉移技術的配合,利用真空沉積方法首次制備了內場助結構ag - o - cs光電發射薄膜。 ag - o - cs薄膜內場助光電發射特性測試結果表明,該方法能夠有效地實現ag - o - cs薄膜體內電場的加載與表面電極的引出,薄膜光電靈敏度隨內場偏壓的增大而上升。 ag - o - cs薄膜在內場作用下的光電發射增強現象與薄膜體內能帶結構變化低能電子參與光電發射等物理機制有關。
  8. The method of concentrating the decoloration solution of tylosin is usually carried out by thin film vacuum concentration. in this experiment, the concentration process is modified by using the nanofiltration membrane technique which is free from corrosive due to the extractant solvent and in the same time, heating and decomposition of the antibiotic are eliminated, the concentration course ia also distinctly shortened. in this process the small molecule can be filtered by water, and the quality of the product such as, the tyramine content, the solubility of the product, improved significantly. in addition, the membrane filtration process could save consumption of steam and cooling water

    泰樂星提煉過程中原工藝脫色液用薄膜真空濃縮,本試驗改進為耐溶媒納濾膜濃縮,料液不需要加熱即可濃縮,防止了料液的高溫分解破壞,濃縮收率明顯提高在濃縮的同時,部分小分子雜質可以隨水分子一起通過納濾膜而除掉,成品質量明顯提高,解決了用原工藝成品酪胺、溶解度不合格的質量問題省去了原工藝濃縮中費用較高的蒸汽、冰鹽水,經濟效益可觀。
  9. The pressureless infiltration technique means that the spontaneous infiltration of the refined molten al or al - si alloy into the power bed, contains the filler reinforcement particle and k2tip4, occurred at 900 to fabricate sicp / al or sicp / al - si composites, without the aid of any externally applied pressure or vacuum, only by its gravity

    無壓自浸滲法是指在不藉助任何外力作用下,把熔煉好的鋁液,經精煉,調溫后,澆入經過預熱,含有增強體顆粒與助滲劑的混合體粉末中。
  10. Abstract : the paper describes the application of vacuum preloading in combination with surcharge preloading to improve soft soils for la rge working load in the storage area of phase of nanjiang coal terminal of ti anjin port. analysis is made on the result of the improvement and it is concluded that the technique of vacuum proloading in combination with surcharge preloadin g can be used to improve soft soils for large working load and the result can be remarkable

    文摘:本文介紹了大使用荷載條件下真空聯合堆載預壓技術在天津港南疆煤碼頭堆場(二期)軟基加固工程中的應用情況,並對加固效果進行了詳細分析,得出了大使用荷載條件下可採用真空聯合堆載加固軟基且加固效果明顯的結論。
  11. Secondly, the bonding between ni and ceramic were investigated through vacuum welding technique

    其次,採用真空焊接技術研究金屬相與陶瓷相界面結合狀況。
  12. A novel technique has been developed to diagnose the operating faults of the dry screw vacuum pump by monitoring the vibration and by analyzing spectrum of vibration frequency and the time domain waveform

    摘要針對乾式螺桿真空泵的運行故障,採用振動監測的方法,利用時域波形和頻譜分析技術進行故障診斷。
  13. In order to consolidate the powder compacts into densified billets, the technique of vacuum degassing, encapsulating and warm pressing was adopted

    提出了ti / al復合粉的制坯緻密和真空脫氣包套工藝。
  14. In this paper, we begin with actual products designs and then combine the real conditions. on condition that technique conditions requirements were satisfied, by adopting electromagnetic field numerical analysis and experimental research, the electric field distribution inter - phase and to ground of 12kv metalclad withdraw switchgear vacuum circuit breaker is described accurately. the electric field distribution and movement in different conditions are also confirmed

    本文從實際產品設計入手,結合現實情況,在滿足技術條件要求的基礎上,通過採用電磁場的數值模擬分析及實驗研究,準確地描述了12kv配電系統中置櫃真空斷路器相間及對地全場域電場分佈情況,確定了中置櫃在不同情況下的電場分佈、變化情況,通過理論的計算和分析,對產品的絕緣進行了校核與驗證,通過多種方法的比較,進而得到合理的布置結構和達到最佳的絕緣配合,為實際產品的開發和設計提供了理論依據。
  15. Standard test method for optical emission vacuum spectrometric analysis of stainless steel by the point - to - plane excitation technique

    用點對面激發技術作不銹鋼的光輻射真空光譜測定分析
  16. Precision vacuum casting technique of the low pressure shell of the kerosene pump

    煤油泵低壓殼體真空熔模精密鑄造工藝
  17. It is proved by the intensity experiment of welding line that the welds of these two materials using explosive welding and vacuum electron beam self - material brazing are tolerable, nevertheless the welding technique could be improved basing on the study of microstructure of the joint layer

    通過強度實驗的研究,兩種工藝形成的焊縫強度都是可以滿足目前的應用要求的,但是,對電子束自釬焊可根據顯微研究的結果做進一步的工藝參數的改進。
  18. To achieve this temperature, the atoms must be isolated in a vacuum cell, suspended in free space by magnetic fields, and chilled by laser cooling and another technique called evaporative cooling [ see box on page 51 ]

    要達此溫度,原子必須隔離在真空腔里,利用磁場而漂浮在真空中,並以雷射冷卻法或另一種稱為蒸發冷卻的技術來降溫(參見87頁降溫大法) 。
  19. High vacuum technique

    高真空技術
  20. The pulsating vacuum sterilizer is a new kind sterilized apparatus developed in the middle of the 1990s, because of adopting the pulsating vacuum technique, it is effectual to sterilize, and apply to the hospital ’ s supply room, operating room, pharmaceutical factory and scientific research department extensively

    脈動真空滅菌器是國內九十年代中期發展的一種新型滅菌設備,由於採用了脈動真空技術,滅菌效果好,廣泛應用於醫院供應室、手術室、制藥廠及科研部門。
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