Photocathode中文
WebOct 10, 2024 · Photocathodes were at the heart of quantum physics development in the early twentieth century and are still used in high technology devices like night-vision goggles, photomultiplier tubes, and particle accelerators. The simplest form of the photocathode is a metallic surface, negatively biased, from which electrons are extracted by energetic ... WebMulti-alkali. METHOD OF MAKING A BIALKALI PHOTOCATHODE WITH IMPROVED SENSITIVITY AND HIGH TEMPERATURE OPERATING CHARACTERISTICS United States Patent 3838304 (RCA, Sept. 1974) (The 20 steps in Figure 1 of RCA Patent 3838304 written out in prose.) J. Pancir and I. Haslingerova, Topological study of the multi-alkal …
Photocathode中文
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Web大量翻译例句关于"photocathode" – 英中词典以及8百万条中文译文例句搜索。 photocathode - 英中 – Linguee词典 在Linguee网站寻找 WebOct 7, 2024 · Similar thermal emittance was obtained for a photocathode grown on a molybdenum substrate but with markedly improved lifetime. For this photocathode, no decay in quantum efficiency was measured at 4.5 mA average current and with peak current 0.55 A at the photocathode.
WebMar 1, 2024 · As shown in Fig. 1, a photocathode preparation system was designed and manufactured at Peking University, which consists of a deposition chamber, a transfer chamber, moving bellows, and an UHV suitcase.This design can meet the requirements of both on-line and off-line deposition. The transfer chamber is used to transfer the … 光電倍增管是由玻璃封裝的真空裝置，其內包含光電陰極 （photocathode），幾個二次發射極 （dynode）和一個陽極 (Anode)。入射光子撞擊光電陰極，產生光電效應，產生的光電子被聚焦到二次發射極。其後的工作原理如同電子倍增管，電子被加速到二次發射極產生多個二次電子，通常每個二次發射極的電位差在 … See more 光電倍增管（Photomultiplier，簡稱PMT），是一種對紫外光、可見光和近紅外光極其敏感的特殊真空管。它能使進入的微弱光信號增強至原本的10 倍，使光信號能被測量。 See more 光電倍增管集高增益，低干擾，對高頻信號有高靈敏度的優點，因此被廣泛應用於高能物理、天文等領域的研究工作，與及流體流速計算、醫學影像和連續鏡頭的剪輯。雪崩光電二極體（Avalanche photodiodes，簡稱APDs）為光電倍增管的替代品。然而，後者仍在大部份的 … See more
Webphotocathode: [noun] a cathode that emits electrons when exposed to radiant energy and especially light. WebJun 28, 2024 · Photoelectrochemical oxygen reduction reaction (ORR) toward H2O2 is highly desirable because only sunlight, O2 and water are required in the process. However, the …
WebA photocathode is an electrode from which electrons can be released into free space via the external photoelectric effect. But photocathodes are mainly used for phototubes, photomultipliers, image intensifiers, image …
Web在中文中翻译"photocathode". 名词. 光阴极. 其他翻译结果. With good light collection, about 30% of the luminescence quanta may reach the photocathode. 在良好的光收集条件下， … irsc radiographyWebFeb 12, 2016 · Photomultipliers acquire light through a glass or quartz window that covers a photosensitive surface, called a photocathode, which then releases electrons that are multiplied by electrodes known as metal … portal churwaldenWebphotocathode 的词源. [ 1925–30; photo- + cathode] This word is first recorded in the period 1925–30. Other words that entered English at around the same time include: chain reaction, dropout, gimmick, reflex camera, turnaround photo- is a combining form meaning “light” ( photobiology ); also used to represent “photographic” or ... irsc quick linksWebJun 1, 2024 · During the PEC reaction, CO 2 was reduced on the Ru complex with the continuous supply of photogenerated electrons from the Cu 2 O semiconductor and protons from BNAH. Formate (409.5 μmol) was produced after 8 h of reaction at −0.9 V versus NHE ( Fig. 5 e–f). Download : Download full-size image. Fig. 5. irsc public safetyWebopaque photocathode 不透免电阴极 ; [电子] 不透明光电阴极 nea photocathode 负电子亲合力光电阴极 ; nea光电阴极 ; NEA光阴极 interference photocathode 干涉光电阴极 ; 干涉型 … portal cnp onlineWebThe meaning of PHOTOCATHODE is a cathode that emits electrons when exposed to radiant energy and especially light. portal clean harbors nWebThis study reveals a self-improving behavior of Si/GaN photocathode active for hydrogen production, and sets an investigation paradigm for fundamental understanding of the pivotal role of chemical transformation in PEC water splitting. The gained knowledge from this work can provide feedback to the further optimization of the PEC devices. irsc public safety training