field ion 中文意思是什麼

field ion 解釋
場離子
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • ion : n. 【物理學】離子。 positive [negative] ion正[負]離子。
  1. The paper reports concisely the technology development of pretreatment and subsequence treatment of acidic water stripping installation now, the technology of pretreatment of acidic water include : remove waste gas, waste oil, suspending solid, effluvium and safety measure taken, the technology of subsequence treatment of acidic water include : the technology of return use of srripped water and the technology of sbr and the technology of ion exchange of denitrification, especially the proprietary technology of fripp in the field

    摘要簡述了目前煉油廠酸性水汽提裝置的上下游處理技術及其研究進展，上游技術主要包括：酸性水降壓脫氣、除油、脫懸浮物、惡臭氣體脫臭和應採取的安全防護措施；下游技術主要包括：汽提凈化水的回用、 sbr法、離子交換法除氨等工藝，並簡要介紹了撫順石油化工研究院在本領域上的專有技術。
  2. Characteristics of rf ion source electromagnetic field

    型放電離子源的場特性
  3. The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done

    自1989年在摻雜鈣鈦礦型錳氧化物ra _ （ 1 - x ） m _ xmno _ 3 （其中m為金屬離子， ra為三價稀土離子）中發現龐磁電阻（ cmr ）以來由於其在磁記錄、磁傳感器等方面潛在的應用前景，以及金屬?絕緣體相變等所涉及的強關聯效應，使該類化合物吸引了物理學界的廣泛注意。
  4. Abstract : by analyzing the double meaning of the effect mechanism of water on the oxida tion and spontaneous combustion of residual coal in goaf, and through investigat ion of the results both in laboratory and field practice, it is confirmed that w ater pouring, which is suggested by authors, is a new, economic, efficient and e asy ? to ? operate measure for controlling the spontaneous combustion of the resid ua l coal in goaf

    文摘:通過對水在采空區遺煤氧化及自燃的作用機理兩重性的分析以及實驗室試驗與現場應用實際效果研究，證實了筆者提出的清水灌注措施是一種新的、經濟有效的、操作簡便的防治采空區遺煤自燃的技術措施。
  5. Discusses the optimizing process of treatments of the main technical problems, which include the construction schedule, the field plan and t he balance of earth and rock works, method of the river closure and cofferdams sections, procedure and time of the river colsure, form of the cutoff, construct ion of the cut - off walls

    論述了三峽大江截流及二期圍堰實施過程中的施工進度計劃、料場規劃與土石方平衡、截流方式與圍堰斷面形式、截流進占程序和時段、防滲形式、防滲墻施工等主要技術問題的優化完善過程
  6. Study on the coordination field of sm3 ion in trigonal smoda crystal

    離子的配位場理論研究
  7. During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent

    離子源工作時，放電空間交變的軸向磁場和渦漩電場激發放電管中經鈀管純化后通入的氫氣電離，形成等離子體。 50多年來，關于高頻離子源的研究報告很多，但是，這些研究主要都集中在應用研究方面，有關高頻無極環形放電離子源的理論與實驗模型研究不是很多。
  8. Based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗，研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律，提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法，並修正了復合地基承載力的計算公式。
  9. Abstract : based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    文摘:基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗，研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律，提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法，並修正了復合地基承載力的計算公式。
  10. Through charoma theory and metal - bearing ores " color index analysis, the color of the turquoise is quantitated. crystal field spectra of cu2 + ion have been analysed and compared with the oretical calculations, the results show that the basic color of turquoise ( azure ) is related to the existence of cu2 + octahedron. in this charpter, quantum mineralogy theory is used in quantity

    通過吸收光譜實驗，利用量子礦物學的有關知識，對綠松石中銅離子的晶體場譜進行了計算，並利用晶體場理論解釋了綠松石吸收光譜，揭示了綠松石顏色形成的主要原因是聯系著晶體場譜的顏色：過渡金屬銅離子對綠松石的顏色起主要作用? ?決定了綠松石的基本色調（天藍色） 。
  11. An a ] ternat ion mode betwoen l nt ert ' ii ( ) tt iilyer and fie1 d object layer is designed on mode1 - - v iew separdt e techno1 ( ) g } ", in which re - - use of field object is highly improved

    利用模型-視圖分離技術設計了用戶界面表示層對象和領域層對象間的交互方式，極大提高了領域對象的可重用性。
  12. During the high - voltage device design, the thick epitaxial layer ldmos which is compatible with current technology was researched. this device used piecewise vld and multiple region structure f reduce field layer. the using of the f reduce field layer effectively reduce the surface electric field of the device, shorten the length of its drift region, enlarge the choice of range of the ion implant dose of the p layer, and effectively restrain the disadvantageously affection on the breakdown voltage of the interface charge qss

    在高壓器件研究中對與現有工藝相兼容厚外延ldmos進行研究，該結構採用分段變摻雜多區p ~ -降場層，有效降低器件的表面電場，縮短器件的漂移區長度，增大p ~ -降場層注入劑量的選擇范圍，並有效地抑制界面電荷qss對器件耐壓的不利影響。
  13. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。
  14. A measure of polarising power is the field strength of an ion.

    極化能力的度量單位是離子的場強。
  15. When the flue gas and dust past through electrical fields, they caused impact with positive and negative ion and electron between electrical electrodes to charge electric. the charged particles move and are accumulated to difficult electrical electrode due to effect of electric field force. through rapping method, the dust leaves electric electrodes and drop into the collection hopper, and the remove the dust by transportation system

    是一種煙氣凈化設備，它的工作原理是：煙氣中灰塵塵粒通過高壓靜電場時，與電極間的正負離子和電子發生碰撞而荷電或在離子擴散運動中荷電，帶上電子和離子的塵粒在電場力的作用下向異性電極運動並積附在異性電極上，通過振打等方式使電極上的灰塵落入收集灰斗中，使通過電除塵器的煙氣得到凈化，達到保護大氣，保護環境的目的。
  16. Distribution of electromagnet field in the space of h - type rf ion source is worked out derivation from maxwell equations, and three - dimensional vector graphs of e and b in the space of rf ion source are calculated and plotted by mafia software

    並採用mafia軟體進行了三維實體建模，計算了高頻離子源放電擊穿前和穩定工作后的電磁場分佈，得到了高頻離子源放電空間電磁場分佈的直觀圖像。
  17. Field ion emission microscope

    場離子發射顯微鏡
  18. Field ion microscope abbr. fim

    場致離子顯微鏡
  19. A large number of attempt and painstaking experiment have been done in this paper according to existing project. we also do lots of chemical and electrochemical etching research in material of lab6, and find out three kind of methods to produce the field emitting cold cathode including reactive ion etching ( rie ) with oxygen, wet process etching and electrochemical etching. through produce some field emitting cold cathode single tip including lab6 field emitting cold cathode, molybdenum field emitting cold cathode, tungsten field emitting cold cathode, tungsten rhenium field emitting cold cathode, molybdenum covered with lab6 film field emitting cold cathode

    而且，目前可借鑒的參考文獻較少，圍繞著前人做過的方案，本文做了大量工作，在已有文獻介紹的基礎上，結合原有的理論和實踐基礎，摸索出了包括高溫氧作用反應離子（ rie ）刻蝕法、濕法腐蝕法和電化學腐蝕法在內的三種制備工藝，運用電化學腐蝕工藝成功制備了單尖的六硼化鑭場發射冷陰極尖錐、鉬場發射冷陰極尖錐、鎢場發射冷陰極尖錐、鎢錸合金場發射冷陰極尖錐以及有六硼化鑭薄膜覆蓋的鉬場發射冷陰極尖錐。
  20. The present development of field emission characteristics of single walled carbon nanotubes ( swnts ) and zinc oxide nanowires at home and abroad was introduced, their field emission characteristics were studied with field emission microscope ( fem ) and field ion microscope ( fim ). several problems about electric field in the field emission have been simulated with finite element method

    本文介紹了單壁碳納米管和氧化鋅納米線場發射的國內外發展概況，用場發射場離子綜合測試儀研究了它們的場發射特性，並用有限元法模擬了場發射中與電場有關的幾個問題。
分享友人
分享到 Line

分享到臉書