Vertical Nanoscale Vacuum Channel Triodes Based on the Material System of Vacuum Electronics
Nanoscale vacuum channel triodes realize the vacuum-like transmission of electrons in the atmosphere because the transmission distance is less than the mean free path of electrons in air.
Panyang Han +3 more
doaj +6 more sources
Primary observations of solar filaments using the multi-channel imaging system of the New Vacuum Solar Telescope [PDF]
AbstractThe New Vacuum Solar Telescope (NVST) is a new generation ground-based solar facility of China. One of the post-focus instruments is the multi-channel high-resolution imaging system, which is designed to simultaneously observe the dynamic gas motion in the solar photosphere and chromosphere.
Zhi Xu +3 more
openaire +2 more sources
The present study pertains to an experimental measurement investigation of membrane physical properties for vacuum membrane dehumidifiers. The membrane material used in an air dehumidification system is a key role for the dehumidification efficiency.
Chun-Han Li +4 more
doaj +2 more sources
The clinical efficacy of novel semirigid ureteroscopy with a vacuum suction device for treatment of >10 mm upper ureteral stones and impacted calculus: implications for clinical practice [PDF]
ObjectiveThe novel semirigid ureteroscopy with a vacuum suction device has been increasing in the treatment of urinary stones recently. This study aimed to evaluate its clinical efficacy for treating >10 mm upper ureteral stones and impacted calculus ...
Longhui Lai +22 more
doaj +2 more sources
Formation and Eruption of a Hot Channel Magnetic Flux Rope in a Nested Double Null Magnetic System
The coronal magnetic topology significantly affects the outcome of magnetic flux rope (MFR) eruptions. The recently reported nested double null magnetic system remains unclear as to how it affects MFR eruptions.
Surui Yao +4 more
doaj +2 more sources
Advanced reusable SAW-based particulate matter sensor with microheater and porous microstructured filter membrane for simultaneous PM10 and PM2.5 detection [PDF]
In this study, we present a novel reusable surface acoustic wave (SAW)-based particulate matter (PM) sensor system capable of simultaneously and selectively detecting PM10 and PM2.5. This is the first implementation of an integrated porous microstructure
Faisal Nawaz +2 more
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Designing of control and expulsion equipment for the pitot-static system of passenger airplanes
The article discusses the issue of automating the serial process of bleeding and control of the pitot- static system of passenger airplanes. A functional diagram and basic design of some parts of the combined equipment are proposed.
N. A. Zotin, E. P. Lisman
doaj +1 more source
New Q and V-band ECE radiometer for low magnetic field operation on LHD [PDF]
To meet the demand for information on electron temperature fluctuations in low magnetic field experiments in the Large Helical Device (LHD), a new ECE radiometer covering the Q and V bands has been installed.
Tokuzawa Tokihiko +4 more
doaj +1 more source
In order to explore the transient characteristics of the large-scale vertical siphon axial flow pumping station during the start-up and exhaust process, numerical simulations were carried out on the start-up process of the axial flow pumping station ...
Xiaowen Zhang +6 more
doaj +1 more source
Development of Multi Sample Array System Based on Pneumatic Valve [PDF]
We present a multi-sample array device based on a pneumatic system. Solenoid valves were used to control a micro valve in a pneumatic system. The use of a compressor together with a vacuum pump ensured that one outlet could supply both compression and ...
Chul Min Kim, Seo Jung Park, Gyu Man Kim
doaj +1 more source

