Results 21 to 30 of about 1,208,920 (250)

Study on Spectral Interference in the Determination of Vanadium by ICP-OES

open access: yes, 2020
Vanadium is an important scarce resource and strategic metal, and often coexists with a variety of complex metals in the form of secondary mineral phases in nature.
Zhang Yi   +7 more
core   +1 more source

Effects of Boundary Condition Models on the Seismic Responses of a Container Crane

open access: yesApplied Sciences, 2019
In recent years, several large earthquakes have caused the collapse of container cranes, which have resulted in halting of freighting, and significantly affected the economy.
Jungwon Huh   +4 more
doaj   +1 more source

A LIBS Spectral Self-Absorption Correction Method Using Voigt Profile Fitting for the Application of Magnesium Analysis in Phosphorus Ore

open access: yes, 2020
The concentration of MgO is one of the most important parameters in the phosphate ore flotation. The fast detection of the concentration of MgO has great significance for the optimization of the flotation, the improvement of the efficiency and the ...
Sun Lan-xiang   +4 more
core   +1 more source

Scaling ratios for spectral accelerations caused by seismic site effect under site condition classifications in China

open access: yesFrontiers in Earth Science, 2023
The spectral accelerations (Sa), which are widely used as ground motion inputs in structural seismic designing, are significantly affected by local site conditions classified by near-surface geology. A novel approach of quantifying the scaling ratios for
Yushi Wang, Yi Ding, Xiaojun Li
doaj   +1 more source

Statistical characteristics of Doppler spectral width as observed by the conjugate SuperDARN radars [PDF]

open access: yes, 2002
International audienceWe performed a statistical analysis of the occurrence distribution of Doppler spectral width around the day-side high-latitude ionosphere using data from the conjugate radar pair composed of the CUTLASS Iceland-East radar in the ...
Milan, S. E.   +23 more
core   +2 more sources

Spectral Analysis of Fluoride and Nitride Phase in Secondary Aluminum Dross

open access: yes, 2022
Secondary aluminum dross (SAD) is a hazardous waste produced in the electrolytic aluminum, aluminum processing, and aluminum recycling industries. The SAD produced from different processes has the characteristics of complex mineral phases and large ...
Li Shao-peng   +5 more
core   +1 more source

Probabilistic seismic hazard assessment of Nepal using multiple seismic source models

open access: yesEarth and Planetary Physics, 2018
The potential for devastating earthquakes in the Himalayan orogeny has long been recognized. The 2015 MW7.8 Gorkha, Nepal earthquake has heightened the likelihood that major earthquakes will occur along this orogenic belt in the future.
Md Moklesur Rahman, Ling Bai
doaj   +1 more source

An Overview of the Seismic Elastic Response Spectra and Their Application According to Mexican, U.S., and International Building Codes

open access: yesApplied Sciences, 2022
The design of earthquake-resistant structures by applying traditional or performance-based seismic analysis methods involves two large variables: the seismic risk of the area and the physical characteristics of the structure.
Arturo Gonzalez, Julio Calderon
doaj   +1 more source

Solar flare particle acceleration in collapsing magnetic traps [PDF]

open access: yes, 2012
Electronic redacted version excludes material for which permission has not been granted by the rights holderThe topic of this thesis is a detailed investigation of different aspects of the particle acceleration mechanisms operating in Collapsing Magnetic
Grady, Keith J.
core   +2 more sources

Site-Specific Earthquake Ground Motions for Seismic Design of Port Facilities in Indonesia

open access: yesApplied Sciences, 2022
In Indonesia, infrastructure, such as port facilities, has been damaged by earthquakes. Therefore, evaluating rational earthquake ground motions (EGMs) for seismic design is necessary to mitigate earthquake disasters in the future.
Christino Boyke   +2 more
doaj   +1 more source

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