電場發射 的英文怎麼說
中文拼音 [diànchǎngfāshè]
電場發射
英文
electric field emission-
In chapter two, we fabricated r - ni - fe / al2o3 nanocomposites successfully by using ball - milling mixing method plus hot - pressing process. meanwhile, their microstructures are characterized by x - ray diffraction ( xrd ) analyser, transmission electron microscopy ( tem ), field emission scanning electron microscopy ( fe - sem ) and brunauer - emmett - teller ( bet ). the results indicate that ni - fe particles are homogenously dispersed in the matrix in the composites
在第二章中，我們採用高能球磨混合方法加上熱壓燒結工藝，成功制備了ni - 20fe al _ 2o _ 3納米復合材料，並通過x射線衍射儀（ xrd ） 、透射電鏡（ tem ） 、場發射掃描電鏡（ fe - sem ） 、比表面孔隙儀（ bet ）對該復合材料的微結構進行了表徵。I designed a measuring system which can measure the anode current 、 anode voltage 、 grid current and grid voltage at one time. working at manual mode the system can sever as a measuring instrument
根據要求，設計一個場發射參數的測量系統，此系統，工作在手動方式下可以測量出某一時刻點的場發射的陽極電流、陽極電壓、柵極電流、柵極電壓。It has been proved that the cnt has good characteristic on the field emission. at the same time, people have noticed that the nanosized diamond has a low nea
碳納米管已經被證實具有良好的場發射特性，而金剛石超微粉也具有負電親和勢低的特點。The cenosphere particles were characterized with optical microscope, field emission scanning electron microscopy ( fesem ), energy - dispersive spectroscopy ( eds ) and x - ray diffraction ( xrd ) in and after the plating
用光學顯微鏡、場發射掃描電子顯微鏡、能譜儀和x射線衍射儀對其進行了分析表徵。Replacement of final power fets in all - solidstate tv transmitte
全固態電視發射機末級場效應功放管的更換The main duties of aco include making use of various sophisticated equipment such as computers, transmitters and receivers in the communication centres to conduct point - to - point communications with adjacent airports, to provide aeronautical fixed, mobile and broadcasting services as well as communications for search and rescue
航空通訊員航空通訊員的主要工作是利用各種精密儀器，如電腦、發射機和接收機等，與鄰近地區的機場進行點對點通訊，以及提供固定航空通訊、流動航空通訊、航空氣象廣播和搜索及拯救行動通訊等服務。Fabrication of 10 inch field assistant hot - electron emission display
10英寸場助熱電子發射顯示屏的製作Field emission characteristic and mechanism of a novel diamond films cathode
新型金剛石薄膜場電子發射的特性Its linear f - n curve shows the electron emission was field emission
F - n曲線呈線性關系證明電子發射確為場致發射。Standard for selective site of fm and tv transmitting station
調頻廣播電視發射臺場地選擇標準These products are wide used for electronic computer - room, telecommunication room, tv transmitting sration, military commanding station, all kinds of laboratory, office and the places where the pipe and wire are centered and the requirement of antistatic is needed
該產品廣泛應用於電子計算機房，通訊機房，電視發射臺，軍事指揮站，各類實驗室，辦公室，及一些管線敷設比較集中與防靜電要求場所Our factory produces good quality anti - static floor board series which are widely applied to many rooms, as electron computer room ; computer room of microwave communication station ; computer room of programmable telephone exchange ; computer room of satellite earth station ; control room of tv & broadcasting station ; control room of tv launcher ; hyperpure workshop ; armarium room and the place with concentrated. cable laying
我廠生產的系列高品質抗靜電地板產品，廣泛用於電子計算機機房、微波通信站機房、程式控制電話交換機房、衛星地面站機房、電臺控制室、電視發射臺控制室、超潔凈生產車間環境、醫療設備技術環境、及線纜敷設較密集場所。本廠以先進的設備，雄厚的技術，可靠的質量，竭誠為客戶服務。Our factory produces good quality anti - static floor board series which are widely applied to many rooms, as electron computer room ; computer room of microwave communication station ; computer room of programmable telephone exchange ; computer room of satellite earth station ; control room of tv broadcasting station ; control room of tv launcher ; hyperpure workshop ; armarium room and the place with concentrated. cable laying
廣泛用於電子計算機機房微波通信站機房程式控制電話交換機房衛星地面站機房電臺控制室電視發射臺控制室超潔凈生產車間環境醫療設備技術環境及線纜敷設較密集場所。To study the influence of the field - emission cathode materials for the vacuum environment of the field - emission devices, ambipolar electrode configuration was designed in this paper. cnts / ptfe and cnts / epoxy composite materials were used as field - emission cathode and the two electrode configurations were encapsuled into a static vacuum system respectively. by contrastive testing, the field - emission properties
3 .為了研究場發射陰極材料對場發射真空器件內部真空度影響的問題，設計二極電極結構，分別以碳納米管/聚四氟乙烯和碳納米管/環氧樹脂兩種復合材料作為場發射陰極，進行了真空封裝，製成了靜態的真空系統。The factors which influenced the process include the insulator ' s material, structure, the distribution of space electrical field, the way to deal with the surface, the characteristic of voltage waveform, pulse width etc. there are two kinds of theory for the vacuum surface flashover : secondary electron emission avalanche ( seea ) and electron triggered polarization relaxation ( etpr )
影響該過程的因素包括絕緣材料結構、空間電場分佈、表面處理方法、所加電壓特徵，脈沖寬度等。研究真空表面閃絡過程有兩類理論：二次電子發射崩潰（ seea ）和電子引發極化鬆弛（ etpr ） 。Xrd analysis at different depth of zro2 sintered body indicates that it has trace to be bombarded by high - energy particles at top surface, this results are the evidence for the existence of pulse electric field
Zro _ 2燒結體不同深度的xrd分析表明：樣品表面有被高能粒子轟擊過的痕跡，脈沖電場誘發場發射電子及高能c粒子對樣品表面轟擊。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。Field emission properties of a tungsten tip after discharge treatment
鎢針尖放電處理后的場發射特性The result showed that the composite had excellent field emission characters. the star - up field intensity was 4. 4v / um and the f - ncurve indicated that the electron emission was leaded by tunnel effect
材料的場發射性能良好，其發射開啟場強約為4 . 4v um ， f ? n曲線表明該材料的電子發射主要是由隧道效應引起的。It is thought that the emission process happened with the participation of diamond crystal, graphite, amorphous carbon and intra - face states in the diamond films
認為非晶碳、石墨、金剛石及相應界面態構成一個完整的體系參與場發射，金剛石薄膜中雜相的存在有利於電子的場發射。分享友人