field dose 中文意思是什麼

field dose 解釋
總面積量
  • 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...
  • dose : n 1 (藥的)一服,一劑;藥量,劑量。2 苦藥,討厭的東西。3 (酒中的)配料,增味劑。4 (處罰等)一...
  1. 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。
  2. 9. for calculating the variable fertilizing dose, a mathematics model was selected. the model takes account of the yield goal, soil fertility, fertilizer available ingredient content, and the fertilizer using efficient. in the beijing precision agriculture demo farm, the system was used for base map mapping, field boundary map update, soil nutrition map generating, yield map generating, and field basic information management

    在北京精準農業示範區,對設計開發的農田地理信息、系統進行了gps測繪、坐標系轉換、電中國農業大學博士學位論文摘要一子地圖更新、土壤采樣規劃、田間信息分布圖與作物產量分布圖生成、農田管理區劃分、目標產量圖生成、變量施肥處方圖生成以及基本信息管理等方面的測試與實際工作。
  3. Dose field best distribution and dose measurement before commissioning of 60co - irradiation facilities

    輻射裝置增源后劑量場最佳分佈及劑量測定
  4. Study on selecting the best treating dose of the static electric field with the methed of super - weak luminescence of seed

    應用生物超弱發光篩選靜電場的最佳處理劑量
  5. In the field of the phytoremediation of copper pollution, submerged macrophytes are focused less than the terrestrial plants. in this study, ceratophyllum demersum l. and cahomba caroliniana a. gray were used as the test plant. the following two aspects were investigated in vivo methods : 1 ) the toxicity effects of cu2 + on the three main antioxidant enzymes ( including cat, pod and sod ) of two submerged macrophytes were detected at different low doses and on the chronic exposure, in order to establish the dose - effect relationship and the time - effect relationship, and thereby acquire the toxicity threshold ; and 2 ) with two submerge macrophytes throng cultured individual or combined on the chronic exposure, it was found on the bcf of copper and the influence of interspecific relationships to the submerge macrophytes resistance or bioconcentration

    本論文以兩種大型沉水植物金魚藻( c . demersuml . )和水盾草( c . carolinianaa . )為受試植物,從它們對水體中cu ~ ( 2 + )的生物富集作用和動態,以及cu ~ ( 2 + )對它們體內抗氧化酶的急性毒性效應和亞急性毒性效應兩方面進行了研究: 1 )通過體內暴露不同劑量的cu ~ ( 2 + ) ,探討cu ~ ( 2 + )對植物體內三種主要的抗氧化物酶( sod , pod , cat )的毒理效應,建立劑量?效應關系和時間?效應關系,以揭示沉水植物對cu ~ ( 2 + )的抗性機制; 2 )通過對金魚藻,水盾草單獨培養和共同培養的方式,分別研究了兩種沉水植物對cu ~ ( 2 + )的生物富集系數及其動態以及兩種植物的種間關系對富集銅和植物耐性的影響,綜合評價了兩種植物在銅污染水體的植物修復中的應用前景。
  6. A preliminary approach to relation between the optimum dose field distribution of irradiation installation and arrangement of radiation source bar

    輻照裝置劑量場最佳分佈對源棒排布要求初探
  7. The agreement is also within the uncertainty when being compared with the alanine and cta film dosimeters made by jaeri. in addition, this dosimetry system is used to measure field and depth - dose distribution curves for 12mev electron beams, which shows it ' s suitability and practicability for electron beam irradiation

    另外,還利用該劑量體系對12mev電子束輻照場的分佈及深度劑量分佈進行了實際測量,得到了與cta和fwt60等薄膜劑量計相一致的結果,這也進一步說明該劑量體系在電子束輻照上的適用性和實用性。
  8. Theoretical calculation model for dose rate distribution of 60co irradiation field and its application

    鈷源輻照裝置劑量場分佈的理論計算程序及應用
  9. Measurement of dose field after supplement source in irradiation chamber

    鈷室增源后劑量場的測定
  10. Measurement of dose field after supplement source in 60co irradiation chamber

    輻照室增源后劑量場的劑量測定
  11. Dose field distribution and dose measurement before commissioning of 60co irradiation facilities

    輻照裝置增源后劑量場分佈及劑量測定
  12. Influence of field size on electron beam central axis dose on a radiotherapy linear accelerator

    電子束照射野面積對中心軸劑量和輸出因子的影響
  13. The evaluated results in unscear 1993 report indicate that more than half of effective dose of nature radiation exposure to the human being comes from radon and its daughters, so the studies on radon and radon daughters have widely gotten attention in the field of radiation protection more than half century

    根據unscear1993年報告的估算,人類受到的天然輻射一半以上來自氡及其子體的貢獻,所以半個世紀以來氡及其子體一直是天然輻射領域研究的熱點。
  14. Permanent profound wen zhou city furniture ltd. is one special field be engaged in the comprehensive enterprise selling field dose, showing end government department at the provincial level design and making as an integral whole

    溫州市恆隆家具有限公司是一家專業從事服賣場、展示專廳設計及製作為一體的綜合性企業。
  15. Design and research on the measure analysis and qa system of gamma knife dose field

    伽瑪刀劑量場測量分析及驗證系統的設計和研究
  16. Secondly, the steady and transient characteristics of concentric cylinder er clutch and plane er valve are studied with the consideration of yield. it can be found that when the extra electric field is suddenly applied, non - yield region in the clutch dose not generate synchronously. there is a retardation time which becomes shorter while the extra electric field becomes stronger

    對圓桶型電流變離合器動力學特性的分析發現,在離合器關閉時突加電場瞬間,流場中並未瞬時產生未屈服區,而存在滯后時間,且隨外加電場強度的增大而減小;電流變液屈服應力方程中,參數以2 . 0為界,和時,離合器動力學特性具有顯著區別。
  17. The work program of rodos system is following : if the omen of nuclear plant accident occurs, the responsibility of asy subsystem is calculating basic data including the dose induced by source itenk plun ^ wind field -, meteorology ^ environment etc. all possible countermeasures for the accident are generated by the csy ' s calculating with the result from asy subsystem

    Rodos系統的設計思想或結構原理是:一旦核電站事故發生,分析子系統( asy )中的各模塊分別負責源項釋放劑量、煙羽、風場、氣象和環境條件等基本數據的計算,並利用地理信息系統( gis )技術將計算結果顯示出來。
  18. According to geometrical focusing theory, the gamma knife can focus in spirals 30 beams of co - 60 gamma rays through a collimator to form a high - quality high - dose radiation field. the size of radiation filed can be varied and shaped according to tumor size for 3d radiotherapy. therefore, it can effectively increase radiation dose to tumor tissues and decease radiation dose to normal tissues

    根據幾何聚焦原理,將30束鈷60伽瑪射線通過準直后經一個固定的軸線旋轉聚焦,形成品質優良的高劑量區分佈,經治療計劃系統的優化,可使高劑量區的劑量分佈,在三維方向上和腫瘤的形狀一致,從而實現三維適形放射治療。
  19. When the incident radiation field consists of different types and energies of radiation, the equivalent dose in a tissue or organ is equal to the sum of the weighted absorbed doses

    當輻射有多個種類和能量時,在一個組織或器官的當量劑量就是個別輻射所致的當量劑量之和。
  20. In view of the important effect of the cooperative in economic development in rural area, the domestic and foreign scholar ' s research on me field of me rural area are increasing these years, yet it dose not focus on the community cooperative mainly but other fields such as special cooperative supply and sale cooperative and finance cooperative and so on

    鑒于合作經濟在農村經濟發展中的重要作用,近年來國內外對農村合作經濟領域的研究成果日漸增多,但主要集中在合作經濟領域的其他方面,如專業合作社、供銷合作社、合作金融組織等,而對社區合作經濟組織的研究領域卻少有問津。
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