Results 31 to 40 of about 1,135,363 (163)

A Low-Cost Portable SDIMM for Daytime Atmospheric Optical Turbulence Measurement in Observatory Site Testing: Primary Results from Ali Site

Photonics
Atmospheric optical turbulence intensity, quantified by the Fried parameter (r0), serves as a critical metric for astronomical site testing and selection.
Jingxing Wang, Jing Feng, Xuan Qian, Yongqiang Yao, Mingyu Zhao, Kaifeng Kang, Tengfei Song   +6 more
doaj   +1 more source

Effects of Cone Penetrometer Testing on Shallow Hydrogeology at a Contaminated Site

Frontiers in Environmental Science, 2022
Penetration testing is a popular and instantaneous technique for subsurface mapping, contaminant tracking, and the determination of soil characteristics.
Andrew D. Putt, Erin R. Kelly, Kenneth A. Lowe, Miguel Rodriguez, Terry C. Hazen, Terry C. Hazen, Terry C. Hazen, Terry C. Hazen, Terry C. Hazen   +8 more
doaj   +1 more source

Full-Scale Testing and Stability Analysis of Prefabricated Steel Plate-Concrete Composite Walls in Underground Granaries

Buildings
Underground granaries naturally preserve grain quality by maintaining low temperatures and reduced oxygen levels, eliminating the need for artificial cooling and pest control.
Hao Zhang, Ruixin Wang, Lei Chen, Jun Chuai   +3 more
doaj   +1 more source

The nature of Pu-bearing particles from the Maralinga nuclear testing site, Australia

Scientific Reports, 2021
The high-energy release of plutonium (Pu) and uranium (U) during the Maralinga nuclear trials (1955–1963) in Australia, designed to simulate high temperature, non-critical nuclear accidents, resulted in wide dispersion µm-sized, radioactive, Pu–U-bearing
Megan Cook, Barbara Etschmann, Rahul Ram, Konstantin Ignatyev, Gediminas Gervinskas, Steven D. Conradson, Susan Cumberland, Vanessa N. L. Wong, Joёl Brugger   +8 more
doaj   +1 more source

Deep-learning-based prediction of precipitable water vapor in the Chajnantor area

Astronomy & Astrophysics
Context. Astronomical observations at millimeter and submillimeter wavelengths strongly depend on the amount of precipitable water vapor (PWV) in the atmosphere, which directly affects the sky transparency and decreases the signal-to-noise ratio of the ...
Matus-Bello Alison, Restrepo Silvia E., Bustos Ricardo, Hu Yi, Du Fujia, Cariñe Jaime, García Pablo, Maldonado Javier, Reeves Rodrigo, Shang Zhaohui   +9 more
doaj   +1 more source

Testing and analysis of MTBF of main equipments of coal mine monitoring system

Gong-kuang zidonghua, 2013
The paper introduced testing method of mean time between failures, did site test of mean time between failures in four coal mines to the same coal mine monitoring system, and got mean time between failures of main equipments of the monitoring system.
ZOU Zhe-qiang, ZHANG Xin-chao, MAO Xin-zhan, CUI Zhi-bo, QU Shi-jia   +4 more
doaj  

Affinity Assays for Cannabinoids Detection: Are They Amenable to On-Site Screening?

Biosensors, 2022
Roadside testing of illicit drugs such as tetrahydrocannabinol (THC) requires simple, rapid, and cost-effective methods. The need for non-invasive detection tools has led to the development of selective and sensitive platforms, able to detect phyto- and ...
Mihaela Puiu, Camelia Bala
doaj   +1 more source

Facilitating Electroactive Site Density Determination during Fuel‐Cell Testing

ChemElectroChem
The increase in performance and durability the platinum group metal (PGM)‐free catalysts makes them a viable alternative to PGM catalysts at the cathodes of low‐temperature fuel cells.
Rifael Z. Snitkoff‐Sol, Lior Elbaz
doaj   +1 more source

Rapid Robot-Aided On-site Testing of Fume Cupboards. [PDF]

Ann Work Expo Health, 2022
Bittner M, Moirandat C.
europepmc   +1 more source

Preliminary Design and On-Site Testing Methodology of Roof-Cutting for Entry Retaining in Underground Coal Mine. [PDF]

Sensors (Basel), 2023
Chen Y, Zhang Z, Bao S, Yang H, Shi M, Cao C.   +5 more
europepmc   +1 more source