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- The hydrogen in the gauge is ionized by electron emission from a heated cathode. 在離子計內的氫氣是用一個(gè)加熱陰極放射電子來(lái)電離的。
- Experimental results show that CP can effectively activate such FEC's for electron emission. 實(shí)驗結果表明，CP能有效激活長(cháng)時(shí)間存放于惡劣環(huán)境的FEC的電子發(fā)射；
- The molecular effect [R(Yf)] in the forward electron emission decreases with target thickness at a certain energy. 前向發(fā)射產(chǎn)額的分子效應R(Yf)，在給定的能量下隨靶厚增加而下降。
- Preparation and field electron emission of diamond films grown on porous silicon substrates by MW-CVD are studied. 研究了多孔硅襯底微波CVD金剛石薄膜的制備工藝及其場(chǎng)電子發(fā)射特性。
- Intermingle CaO in electronic emission materials can reduce the evaporation of BaO and increase the emitting electric current. 電子發(fā)射材料的組份和質(zhì)量關(guān)系到鎢陰極的壽命和支取的電流密度。
- A twodimensional model was used to simulate the processes of electron emission and beam transportation. 建立了二維數字模型，并對注入器的電子發(fā)射和束流傳輸過(guò)程進(jìn)行模擬，模擬結果指導了實(shí)驗調試。
- Numberical smiulation is made.Its result is agreement with that of field electron emission experiment. 當考慮到發(fā)射體表面的原子級不平整對電場(chǎng)的影響時(shí)，利用公式計算的結果與實(shí)驗結果基本符合。
- Abstract： In this paper, the beam dynamics in micro-pulse electron gun (MPG) is studied using SEEG (Secondary Electron Emission Gun) program. 摘 要： 利用SEEG程序模擬計算了微脈沖電子槍束流動(dòng)力學(xué)問(wèn)題。
- Furthermore, a field emission triode device using the self-organized nanodot arrays as electron emission source was proposed and fabricated. 本研究亦利用奈米點(diǎn)作為電子發(fā)射源制作場(chǎng)效發(fā)射三極體元件。
- As compared with amorphous diamond on Si, the reduction of the applied electric field for the electron emission can be effectively improved by using Sm/ amorphous diamond contact. 我們發(fā)現非晶鉆石長(cháng)在鍍釤的硅基板比單純長(cháng)在硅基板上的場(chǎng)發(fā)射特性更好，主要是因為金屬有相對較低的功函數，可以降低金屬/石接面的位障高度。
- It was concluded that charge injection and recombination would restrict the field electron emission, and increase the threshold voltage of flashover and decrease its scattering. 發(fā)生在絕緣體表層的電荷注入和復合過(guò)程能夠在一定程度上抑制場(chǎng)致電子發(fā)射，從而提高沿面閃絡(luò )電壓，并降低閃絡(luò )電壓值的分散性。
- The mechanism to produce HCPEB was discussed in detail.The electron gun can be divided into explosive electron emission (EEE), anode plasma (AP) and oriented magnetic field. 電子束產(chǎn)生部分由爆炸電子發(fā)射陰極、等離子體陽(yáng)極及導向磁場(chǎng)構成。
- Same as working under single pulse mode, velvet can emit intensive electron beams too under multi-pulse mode and electron emission density is up to 100A/cm~2. In the experiment, phenomena of emitting non-uniform and instability are observed. 在猝發(fā)多脈沖工作模式下,天鵝絨陰極仍具有強流發(fā)射能力,發(fā)射電流密度可以達到100A/cm~2。
- They also have the highest and most stable electron emissions rate recorded, researchers say. 研究人員稱(chēng)，它們還擁有記錄到的最高和最穩定的電子發(fā)射率。
- They also have the highest and most stable electron emissions rate recorded,researchers say. 研究人員稱(chēng)，它們還擁有記錄到的最高和最穩定的電子發(fā)射率。
- Electronic Emission Intelligence 電子偵察
- The simulation of the Auger electron emissions in scanning probe electron energy spectrometer (SPEES) is reported. 報道了對掃描探針電子能譜儀（SPEES）中俄歇電子出射的理論模擬研究。
- Helen became an electronic engineer. 海倫成了一名電子工程師。
- An unwanted false electronic pulse. 一種不希望有的假電子脈沖。
- New Electron Emission Materials for CFL 緊湊型熒光燈的新型電子發(fā)射材料
