Results 231 to 240 of about 185,474 (275)
Future Postharvest and Food, EarlyView.1‐Methylcyclopropene (1‐MCP) containing‐paper delayed the color change and maintained higher rate of commercially acceptable fruit in Anxi persimmons during storage were attributed to the increased activities of H+‐ATPase, Ca2+‐ATPase, and Mg2+‐ATPase and higher levels of ATP content and energy charge (EC).
Lingzhen Zeng +5 more
wiley +1 more source
Nonthermal Food Processing Technologies: A Comprehensive Review
Future Postharvest and Food, EarlyView.The graphical abstract illustrates the shift from traditional thermal food preservation methods to advanced nonthermal technologies. Traditional methods, represented by heating, often compromise the nutritional and sensory quality of foods. In contrast, nonthermal approaches such as high‐pressure processing (HPP), pulsed electric field (PEF ...
Ashok Kumar Yadav +5 more
wiley +1 more source
Food Safety and Health, EarlyView.Psidium guajava leaves contain potent bioactive compounds like quercetin, myricetin, and triterpenoids that show antioxidant, antidiabetic, anti‐inflammatory, and anticancer effects. They act by modulating NF‐κB, PPARγ, and α‐glucosidase and by inducing apoptosis and cell cycle arrest.
Muhammad Waqar +10 more
wiley +1 more source
A strategy for modulation of permittivity in manganese doping to induce lattice distortion
InfoMat, EarlyView.Manganese atoms are doped into the NiCo2O4 spinel structure by atomic substitution, which increases structural stability through the formation of manganese–oxygen bonds. The resulting lattice distortion leads to a significant increase in dielectric permittivity. Achieving an electromagnetic wave reflection loss of −63.40 dB thus provides useful insight
Fei‐Fei Xu +9 more
wiley +1 more source
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Soviet Physics Uspekhi, 1981
The theory of Cherenkov and cyclotron plasma sources of coherent microwave radiation excited by intense electron beams is reviewed systematically. The linear approximation of the theory yields the output frequency spectra, the wave growth rates, and the threshold electron beam currents required for exciting these sources.
L.S. Bogdankevich +2 more
openaire +1 more source
The theory of Cherenkov and cyclotron plasma sources of coherent microwave radiation excited by intense electron beams is reviewed systematically. The linear approximation of the theory yields the output frequency spectra, the wave growth rates, and the threshold electron beam currents required for exciting these sources.
L.S. Bogdankevich +2 more
openaire +1 more source
2016
Thermochemical treatments carried out in microwave plasma are applied to steel substrates to increasehardness and prevent corrosion and simultaneously improve wear resistance. They are efficient for steelcarburizing. Since they are electrodeless process, the steel is free from metallic sputtering.
Jauberteau, Isabelle +1 more
openaire +3 more sources
Thermochemical treatments carried out in microwave plasma are applied to steel substrates to increasehardness and prevent corrosion and simultaneously improve wear resistance. They are efficient for steelcarburizing. Since they are electrodeless process, the steel is free from metallic sputtering.
Jauberteau, Isabelle +1 more
openaire +3 more sources
1966 International Electron Devices Meeting, 1966
A low-loss, low-noise plasma varactor has been developed. This is a variable microwave reactance produced by means of a low pressure, highly efficient gas discharge. This device compares favorably with ferrite or semiconductor devices as far as rf losses and average rf power handling capability are concerned. A low-loss phase shifter has been developed
J.Y. Wada, R.C. Knechtli, B.J. Forman
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A low-loss, low-noise plasma varactor has been developed. This is a variable microwave reactance produced by means of a low pressure, highly efficient gas discharge. This device compares favorably with ferrite or semiconductor devices as far as rf losses and average rf power handling capability are concerned. A low-loss phase shifter has been developed
J.Y. Wada, R.C. Knechtli, B.J. Forman
openaire +1 more source
Japanese Journal of Applied Physics, 1977
A new plasma etching technique using microwave discharge is presented. Silicon wafers are etched by the discharge in a (CF4+O2) gas mixture. Fine patterns with dimensions of 1 µm are etched up to 1 µm in depth without undercutting at a pressure of 5×10-4 Torr with an Al mask having 0.08 µm thickness.
Keizo Suzuki +3 more
openaire +1 more source
A new plasma etching technique using microwave discharge is presented. Silicon wafers are etched by the discharge in a (CF4+O2) gas mixture. Fine patterns with dimensions of 1 µm are etched up to 1 µm in depth without undercutting at a pressure of 5×10-4 Torr with an Al mask having 0.08 µm thickness.
Keizo Suzuki +3 more
openaire +1 more source
2005 Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, 2006
The emissions from transport vehicles have dramatically increased over the last 30 years and huge sums of money are being invested in the reduction of vehicle pollution. The current method for treating these gases is using a catalytic converter, which has a honeycomb of porous ceramic.
M. Houghton +4 more
openaire +1 more source
The emissions from transport vehicles have dramatically increased over the last 30 years and huge sums of money are being invested in the reduction of vehicle pollution. The current method for treating these gases is using a catalytic converter, which has a honeycomb of porous ceramic.
M. Houghton +4 more
openaire +1 more source
Conductivity of Plasmas to Microwaves
Physical Review, 1958A relation between the current-induced part of the distribution function (f/sub 1/) and the isotropic part (f/sub 0/), which was previously derived with limiting restrictions, is here shown ABSTRACTS to be valid at moderate electric fields for any form of fo, e.g., for the case where an agency other than the passing microwaves determines it.
Desloge, Edward A. +2 more
openaire +4 more sources