vacuum pulse 中文意思是什麼
vacuum pulse
解釋
空脈-
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 ） 。 -
Surface flashover across the insulators in vacuum is the major limitation of the performance of the high power system, such as high power microwave tube, pulse power switch, high - energy linear accelerator, etc. flashover studies are of considerable importance in many applications. alumina ceramics are used widely in vacuum insulation system. the flashover and charging performance have been systematically investigated on alumina ceramics in vacuum under pulse voltage ( 0. 7 / 4 ^ 8 )
真空中絕緣子沿面閃絡現象是制約高功率微波管、脈沖功率開關、高能粒子加速器等系統性能的主要原因，這是因為真空中絕緣子在一個比自身及相同真空間隙擊穿電場低得多的電場下就發生了表面閃絡的緣故，研究真空中絕緣子沿面閃絡現象及其形成機理對于改善和提高系統性能有重要意義。 -
The main contributions to the study on the flashover of insulators in vacuum are as follows : 1. a set of test system for the studies on flashover of insulators in vacuum has been developed, which consists of vacuum system, electrode system, e - dot pulse voltage measurement system, surface charge measurement system, current monitor system and luminescence signal measurement system
本文主要完成了以下工作： 1 .通過設計加工真空及試驗電極系統，研製e - dot沖擊電壓測量系統、真空中表面電荷測量系統、沖擊電流和表面微弱光信號測量系統，建成了國內第一套用於研究真空中絕緣子沿面閃絡現象的試驗平臺。 -
In the work, mid - frequency pulse magnetron sputtering is used to prepare znoral thin films used as the back reflector of the thin silicon films solar cells. the best techological condition was obtained by optimizing the preparing conditions, ( var is decided by the deposition rate, target voltage : 265v, gas pressure : 0. 6pa, the high base vacuum is expected
本文採用中頻脈沖磁控濺射法，通過優化zno ： al薄膜的制備工藝，如靶電壓、本底真空度、工作氣壓、襯底溫度、 o _ 2 ar ，得到可用於硅薄膜太陽能電池背電極的zno ： al薄膜。 -
A pulse vacuum sterilization controller based on at89c55 is designed according to the requirements and the work characteristics of the medical treatment
摘要根據醫療行業對高溫滅菌的使用要求和工作特點，研製了基於at89c55單片機的脈動真空滅菌器。 -
With the vacuum air flow transferring theory, the machine has a frame of stainless steel, which takes it easy to installing and uninstalling. pulse puffin reverse device was set in the machine in order to increase the efficiency of dividing materials, to control automatically the transferring and feeding various kings of powder materials, it is suitable for matching the plastic injector or extruder, which requests high for the height of feeding, long distance of feeding and big quantity of feeding
本機採用真空氣流輸送原理，不銹鋼組合結構，裝拆簡單，維修方便，內藏脈沖反吹裝置，物料分離率高，可對各種粉料自動控制輸送加料，適用於上料高度較高，輸送距離較遠及上料量大的注塑機及擠出機的直接配套使用。 -
The second harmonic produced by a q - switched nd : yag laser with wavelength e = 532 nanometers ( nm ), pulse width 0 nanoseconds ( ns ) and repetition frequency i = 1 hz was used to bombard a highly pure solid hexagonal bn ( h - bn ) target ( 96 % ), with diameter of 2cm. in a vacuum chamber, boron nitride ( bn ) film was deposited on the single - crystal silicon substrate
利用高能脈沖激光（波長= 532nm ，頻率= 1赫茲，脈寬= 10納秒）在常溫下轟擊燒結的高純六方氮化硼（ h - bn ）靶，在真空反應室中將bn薄膜沉積在單晶硅基底上。 -
Study on the corrosive endurance of pulse vacuum nitriding coating oil steel
脈沖真空氮化油管鋼的耐蝕性測試研究 -
2. the pre - flashover phenomena of alumina insulators in vacuum have been investigated. according to the experimental results, a reversed pre - flashover current was observed repetitively, which often occurs at the tail of pulse voltage close to zero ( sometimes after the applied pulse voltage )
首次發現了大量的、重復性的反向預閃絡現象，即在沖擊電壓波尾附近電壓幅值已經接近零、甚至在沖擊電壓作用完后（已沒有電壓）的情況下仍然存在試樣表面發光現象，同時伴有反向的電流脈沖。 -
Measurements of the electrical properties of electronic tubes. part 23 : methods of measurement of vacuum pulse modulator tubes and valves
電子管電性能的測量.第23部分:真空脈沖調制管的測量方法
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