vacuum techniques 中文意思是什麼

vacuum techniques 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 〈...
  • techniques : 方法
  1. The course concentrates on circuits using the bipolar junction transistor, but the techniques that are studied can be equally applied to circuits using jfets, mosfets, mesfets, future exotic devices, or even vacuum tubes

    本課程集中講解使用雙極結晶體管的電路，但所學技術同樣適用於使用jfet ， mosfet ， mesfet ，未來的稀有裝置，甚至真空管的電路。
  2. During the course of the manufacture for packaging 2000 pixel hgcdte irfpa wafer, some crucial techniques are solved, such as the design of the button stem structures with inclined dragging wires applied in cryogenic platform, the optimization of long linear irfpa detector ' s signal wires layouts, the implement of a fanout board having thin film gold metalization for defining the required electrical conductors and a method of hermetically sealed vacuum enclosure of large dimension windows, etc

    在用於封裝2000元碲鎘汞焦平面晶元的分置式微型杜瓦研製中，詳細闡明了一種焦平面晶元其裝載面為斜拉式支撐結構的設計，實現了探測器外引功能線的布線優化及其輸出引線工藝改進，並提出了一種大尺寸高氣密光學窗口的焊接方法等關鍵技術。
  3. Was set up in 1995. there are 360 employees in the company including 69 technical personnel. main products are more than fifty varieties such as magnesium, magnesium alloy and its castings. aluminum alloy castings, aluminium - base and zinc - base galvanic anode plates. with advanced production techniques, rich technical forces and complete inspection methods, and the most advanced vacuum spectroscopic analyzer imported from usa, products prouced is up to the same standard as the imported one. the products have been introduced by shandong xiaoya group, qingdao haier, qingdao aucma and chendu haote company which are famous enterprises and also exported to usa, australia, janpan, malaysia and other a dozen of counties

    公司生產工藝先進，技術力量雄厚，設備全，檢測手段完備，並引進最先進的美國真空直讀光譜儀用於產品化學成分檢驗，使產品質量達到同類進口產品水平。由於產品技術先進，性能可靠，先後被山東小鴨集團青島海爾等國內知名企業採用，並出口美國澳大利亞日本馬來西亞等十幾個國家。
  4. 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。
  5. Unlike oil pumps for traditional industries, our dry pumps are specified for the use of semiconductor companies. the rotor of vacuum space is not sealed with oil, but with the application of the minute clearance and high - speed rotation. therefore, a special demand is laid on the precision manufacture techniques, assembly procedures and profile design of roots rotor

    以乾式真空幫浦為例，在2001年2月第一臺賣出去以來，已賣出數百臺，本乾式真空幫浦等級屬於半導體廠專用乾式真空幫浦，不同於傳統產業使用的油式真空幫浦，旋轉轉子真空腔體內不用油去密封，而是用微小的間隙配合高速旋轉的轉子進行密封，因此特別講究精密加工技術精密組裝技術魯氏轉子線型設計。
  6. 3. finally, we explore a serial of other fabrication technology of sbd of high frequency, including oxidation techniques, photoetching techniques and vacuum deposition. an original sbd of high frequency has been made

    最後，利用所生長的薄硅外延片，探索出其它一系列相關的高頻肖特基二極體的製作工藝，包括氧化工藝、光刻工藝、真空鍍膜工藝等，製作出了高頻肖特基二極體的原型器件。
  7. Because the property of niobium alloy is far from that of stainless steel, some special welding techniques have been applied, such as explosive welding, vacuum braze welding, electric resistance welding, vacuum electron beam self - material brazing and so on

    因為二者的性能差別較大，所以通常採用一些特殊的方法進行焊接，如爆炸焊、真空釬焊、電阻焊和真空電子束自釬焊等。
  8. The case of sag series is utilizing the advanced vacuum ti plating techniques, therefore very beauty in looking and also corrosion - resistance. its ability to anti - corrosion is 10 times higher than zinc plating

    其中， sag外裝式提前器外殼採用真空鍍鈦先進工藝，具有美觀不脫鍍的優點，其耐腐蝕性是普通鍍鋅的十倍。
  9. Results showed that the factors include : solvent and concentration of limn204 precursor solution, spin - coating speed, heating speed, sintering temperature and time etc. in the end, techniques of sintering under vacuum conditions were studied

    主要有以下幾方面:溶液中離子總濃度以及分散劑濃度對成膜質量的影響;旋轉塗覆時轉速、熱處理的升溫速度、燒結溫度、燒結時間對薄膜晶型結構及性能的影響。
  10. Surface, the easliy wear and tear parts use grinding - resistant material, extruding part use variable cylinder diamethe extruder with compact structuures, transmission gear with hard gear ter detachable pitch, great extruding p0ressure, high vacuum degree, low loading capacity ( electricity - saving more than 25 % than the same product ). it reaches advanced domestic level andcan replace imported items. it is suitable to produce hollow brick with high hole ratio, coal waste rock hollow bricks, shale hollow bricks, prower coal ash hollow - bricks. the extruder won the scienttific and technological progress pride of the lst building material scientific and techniques achievement exhibition in jiangsu province and the golden prize of the mational brick and tile energy - saving lxln achievement

    該機結構緊湊、傳動齒輪均系硬齒面，易損件採用耐磨材料、擠出部分採用變缸徑、變螺距、擠出壓力大、真空度高，裝機容量低（比同類產品節電25 % ） ，性能優于進口同類設備，適用生產高孔洞率空心砌塊、煤矸石、頁巖、精煤灰空心磚及各類高摻入量粉煤灰磚和低塑性原料磚，該機在江蘇省首屆建材科技成果展覽會科技進步獎； 94全國磚瓦節能四新成果展覽會金獎，西安國際博覽會金獎。
  11. With the development of thin film science and technology, various thin film preparation techniques developed rapidly, as a result, conventional so - called filming has developed from single vacuum evaporation to many new film preparation techniques, such as ion plating, sputtering, laser deposition, cvd, pecvd, mocvd, mbe, liquid growth, microwave and mtwecr, etc., of which vacuum evaporation is the common technology for thin film preparation, because it has the distinct advantage of high quality of film deposition, good control - ability of deposition rate and high versatility

    隨著薄膜科學與技術的發展，各種薄膜制備方法得到了迅速發展，傳統的所謂鍍膜，已從單一的真空蒸發發展到包括蒸鍍、離子鍍、濺射鍍膜、化學氣相沉積（ cvd ） 、 pecvd 、 mocvd 、分子束外延（ mbe ） 、液相生長、微波法及微波電子共旋（ mwecr ）等在內的成膜技術。其中電子束蒸發技術是一種常用的薄膜制備技術，它具有成膜質量高，速率可控性好，通用性強等優點。
  12. Two new in - situ nitrogenation techniques were used for the rapidly solidified fesiz - based thermoelectric materials for the first time in the present work, i. e., the nitrogenation of the powders before vacuum hot - press, and the nitrogenation during the hot - press in a pure nitrogen atmosphere

    本項研究中，首次採用兩種獨創的快速凝固fesi _ 2基粉末原位氮化技術： 「粉末氮化/真空熱壓」技術和「氮氣保護熱壓」技術。
  13. Two types of internal oxidation techniques were adopted, namely internal oxidation under nitrogen protect and new type vacuum internal oxidation in the present study. both techniques can achieve the oxygen partial pressure that the internal oxidation reaction of cu - al alloy can take place

    本文採用的兩種內氧化工藝，即氮氣保護下的內氧化和新型真空內氧化工藝，都可以滿足cu - al合金發生內氧化的氣氛條件。
  14. There are some developments of improvement principle, construction techniques and design theory, but there are more questions to solve such as the depth of improvement, the change of underground water, difference between vacuum preloading and surcharge preloading, effect of vacuum preloading to the environment, computation method, and so on. this status limited the more application and development of these two methods. more and more researchers " attention in the world focuses on these questions

    如真空預壓法的加固深度、真空預壓區地下水位的變化情況及真空預壓和堆載預壓加固效果的差別、真空預壓對周圍環境的影響等問題以及缺乏簡便實用的真空預壓設計計算方法等，因此制約了該方法的進一步推廣和應用，已引起國內外學術界和工程界的廣泛關注。
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