field ion method 中文意思是什麼

field ion method 解釋
場致離子法
  • 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。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. 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
  2. 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。
  3. Electric field of the emission system of a liquid metal ion source was simulated, based on the conventional dynamic protrusion model and the widely used charge simulation method

    摘要發射系統是液態金屬離子源的關鍵部件之一，它的性能的優劣直接影響到整個離子源的工作穩定性和可靠性。
  4. By changing the negative bias current density, gaseous ratio and total pressure, nanocrystalline diamond film is prepared by ion - assisted bombardment method at the substrate temperature of 700 ? 00 ? and mixture gaseous of ch4 and h2 the effect of growth parameters on the diamond film is studied. the diamond film presents very low compressive stress and excellent field emission character

    採用離子輔助轟擊法，以ch _ 4 、 h _ 2為源氣，襯底溫度為700 900 ，通過改變襯底負偏壓、 h _ 2和ch _ 4氣體比例以及工作氣壓，制備出納米金剛石薄膜，並對工藝參數對金剛石薄膜沉積的影響進行了研究。
  5. By using the principle of the redundant system design in the engineering field and based on the multi - channel electronic model, this paper constructed a new kind of redundant multi - payment electronic payment model that has both high transaction efficiency and good reliability, analyzed the channel selecting method by combining the traits of the electronic payment and wireless communication technology, designed the corresponding user operation flow, worked out the calculation formula of different payment informal ion arrival rate by different redundant design methods and effects on the perceived risk and acceptance degree of the end - user, compared the integrated performance of different kinds of payment models, and solved the decreasing problem of transaction efficiency in the multi - channel payment model

    摘要利用工程領域的冗餘設計原理，在多通道電子支付模型的基礎上構建了同時具備高交易效率和高安全性的冗餘多通道電子支付模型，結合電子支付及無線通信技術的特點分析了冗餘通道的選擇方法，設計了相應的用戶操作流程，給出了不同的冗餘情形下的支付信息到達率計算公式、以及對用戶感知風險和接受度的影響，對比了各種支付方式的綜合性能，解決了在多通道支付模型中出現的交易效率降低的問題。
  6. 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。
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