Results 11 to 20 of about 5,464,960 (138)

Production of regional 1 km x 1 km water vapor fields through the integration of GPS and MODIS data [PDF]

open access: yes, 2004
<p>Atmospheric water vapor is a crucial element in weather, climate and hydrology. With the recent advance in Global Positioning System (GPS) Meteorology, ground-based GPS has become an operational tool that can measure precipitable water vapor ...
Li, Z.
core   +8 more sources

Mapping erosion-corrosion of carbon steel in oil-water solutions : Effect of velocity and applied potential [PDF]

open access: yes, 2012
In this study, the combined effects of erosion and corrosion on carbon steel were investigated in three environments containing crude oil, reservoir water, and a mixture of both solutions at a range of applied potentials, velocities and impact angle. The
Stack, Margaret, Abdulrahman, Ghaith
core   +4 more sources

Research on Technical Scheme for Shutdown Maintenance Design of 9F Class Combined Cycle Heating Unit

open access: yes发电技术, 2020
In thermal power plants, the corrosion of main equipment can cause major safety hazards and economic losses. Thus, it is very important to take proper maintenance for thermal equipment in power plant during shutdown.
Jun YANG   +5 more
doaj   +1 more source

Effects of solid NaCl deposit and water vapor on corrosion resistance of K452 superalloy and aluminized coating

open access: yesCorrosion Communications, 2023
Aluminized coating was prepared on K452 superalloy by chemical vapor deposition (CVD) technique. The oxidation/corrosion behavior of alloy and coating were investigated at 750 ℃ in air, air with solid NaCl deposit and moist air with solid NaCl deposit ...
Jiaxin Xu   +4 more
doaj   +1 more source

Structure and properties of the modified diffusion nitride-oxide surface layer [PDF]

open access: yesE3S Web of Conferences, 2021
To combine the processes of gas nitriding and oxidation in water vapor, the effects of the atmospheric nitrogen potential in dissociated ammonia on the formation of surface diffusion nitride phases are studied.
Eshkabilov Kholikul, Berdiyev Sherzod
doaj   +1 more source

Research progress in rare earth silicate environmental barrier coatings

open access: yesCailiao gongcheng, 2023
Ceramic matrix composites are desirable materials for the hot end components of high performance generation aeroengines due to their high temperature resistance, low density and excellent high temperature mechanical properties.
ZHOU Bangyang   +5 more
doaj   +1 more source

Effects of oxidation and hot corrosion in a nickel disc alloy [PDF]

open access: yes, 2008
This paper describes work to study oxidation and hot corrosion damage in nickel disc alloy RR1000. Oxidation damage has been characterised via mass change data from thermogravimetric analyses at temperatures from 700 to 800 ºC and cyclic oxidation ...
Encinas-Oropesa, Adriana   +11 more
core   +1 more source

Airborne Lidar observations of water vapor transport [PDF]

open access: yes, 2012
Water vapor, a minor constituent of the earth’s atmosphere, plays a major role in the radiation budget and the water cycle with important implications for weather and climate.
Andreas Fix   +8 more
core   +1 more source

High-Temperature Corrosion Behaviors of Ti2AlNb Alloy in Simulated Marine Environment [PDF]

open access: yesCailiao Baohu
In this work, high temperature oxidation tests, high temperature hot salt corrosion tests and high temperature hot salt-water vapor synergistic corrosion tests were designed and used to systematically investigate the high temperature corrosion behavior ...
CHEN Wei, ZHANG Dalu, HU Suying, MA Beiyi, CHEN Yongjun, XIE Zhiwen
doaj   +1 more source

Gradient structural-phase states and properties of surface layer after nitro-oxidation [PDF]

open access: yesE3S Web of Conferences, 2023
The phase equilibrium is considered, the formation of nitride phases during gas nitriding due to the presence of carbon in the iron steel matrix in all formed structural-phase states of the nitride layer, carbides are released, the dispersion and ...
Eshkabilov Kholikul
doaj   +1 more source

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