Results 121 to 130 of about 14,305 (269)

Recent advances in UHV techniques for particle accelerators

, 1995
The ultrahigh vacuum (UHV) requirements for storage rings and accelerators, and the development of the science and technology of UHV for particle accelerators and magnetic fusion devices have been recently reviewed by N.B. Mistry and H.F.
Rao, M. G.
core  

Design of a Complex Modular UHV Aparature for Preparing, Observing and Modifying of Nanostructures in Situ

, 2022
Předkládaná práce se zabývá vývojem komplexní modulární ultravakuové aparatury na bázi ultravakuového rastrovacího elektronového mikroskopu UHV SEM. Zaměřuje se především na konstrukční návrh zařízení, který je přizpůsoben požadavkům ultravakua, omezení ...
Páleníček, Michal
core  

Research on the Audible Noise Spectrum Characteristics of Typical AC Bundled Conductors in High‐Altitude Areas at 4300 m

High Voltage, EarlyView.
ABSTRACT The low pressure in high‐altitude areas exacerbates the issue of audible noise (AN) caused by intense corona discharge on the conductor surface. This problem is a critical factor in the structural design and conductor selection for extra‐high‐voltage and ultrahigh‐voltage (UHV) AC transmission lines.
Wangling He, Jie Liu, Baoquan Wan, Jianbin Fan, Jilai Xu, Xingfa Liu, Yanzhao Wang, Jun Zhao, Xiaojuan Li   +8 more
wiley   +1 more source

Application Status and Development Trends of DC Ice‐Melting Devices in China's Power Grid

IET Smart Energy Systems, EarlyView.
This paper summarises the development history and engineering application status of DC ice‐melting devices (DCIMD) in China, analyses the principles, advantages, disadvantages and adaptability of mainstream topologies and discusses the key problems and corresponding improvement directions.
Ming Lei, Tianlong Zhang, Zhenglin Li, Jian Wang, Tao Zhang, Peng Wang, Ruiqi Zhan   +6 more
wiley   +1 more source

Fluorescent‐target imaging and real‐time beam diagnostics at the High Energy Photon Source

Journal of Synchrotron Radiation, EarlyView.
A fluorescent‐target imaging and real‐time beam diagnostic platform has been developed for the High Energy Photon Source (HEPS), integrating synchronized multi‐camera acquisition within the Experimental Physics and Industrial Control System (EPICS) areaDetector framework, online beam‐parameter extraction, and Mamba Data Worker enabled data management ...
Qun Zhang, Yao Zhao, Yu Liu, Zhanxin Gu, Sai Liu, Qihui Duan, Gang Li, Yi Zhang, Chenglong Zhang   +8 more
wiley   +1 more source

Raman analysis of organic refractory materials after energetic processing: Evidence for amorphous carbon on TNOs and comets

Meteoritics &Planetary Science, EarlyView.
Abstract Amorphous carbon (αC) is found in various extraterrestrial particles, including those thought to originate from the outer Solar System. αC can form through two main processes involving C‐rich materials: exposure to energetic charged particles and thermal processing.
M. Germanà, A. Vyjidak, G. A. Baratta, B. M. Giuliano, R. G. Urso, C. Scirè, D. Fulvio, T. Grassi, P. Jusko, P. Caselli, M. E. Palumbo   +10 more
wiley   +1 more source

Deciphering Catalytic Reaction Mechanisms for Low‐Temperature Ammonia Synthesis: Mechanism‐Guided Rational Design of Active Sites

Carbon Neutralization, Volume 5, Issue 4, July 2026.
Low‐carbon ammonia synthesis urgently needs high‐efficiency low‐temperature catalysts. This review summarizes multiple reaction mechanisms, unveils structure–activity correlations, and offers design strategies for advanced ammonia synthesis catalysts.
Jinshu Tian, Yukun Bai, Chi Wang, Tao Jin, Bing Lu, Yongpeng Ren, Yaru Li, Haoran Shi, Yihan Zhu, Xiaonian Li   +9 more
wiley   +1 more source

Development of a linear stage actuator for UHV STM/AFM

, 2011
The aim of this diploma thesis is to develop a linear positioning stage for Ultra High Vacuum (UHV) environment. Simple prototypes of the linear positioning stage were designed and incorporated as part of a multiaxis sample manipulator for a UHV Scanning
Pavelec, Jiří
core   +1 more source

Adaptation of the UHV SEM system for growth and characterization of nanostructures

, 2017
This bachelor thesis presents mechanical design of an objective protection of ultrahigh vacuum scanning electron microscope (UHV SEM), which is a part of a complex modular UHV system used for growth, observation and characterisation of nanostructures ...
Skladaný, Roman
core  

Quantitative Model of Internal Analyzer Scattering in a Hemispherical Electron Analyzer and Its Application to Improve the Accuracy of the Transmission Function

Surface and Interface Analysis, Volume 58, Issue 7, Page 456-470, July 2026.
ABSTRACT Internal scattering within hemispherical electron analyzers (HEA) is common when operating at low pass energies, where the instrument resolution of X‐ray photoelectron spectroscopy (XPS) and Auger electron spectroscopy experiments are at their best.
J. Laverock, N. A. Fox
wiley   +1 more source