Results 11 to 20 of about 694,399 (289)

Selection criteria and feasibility of the inversion model for azimuthal electromagnetic logging while drilling (LWD)

open access: yesPetroleum Exploration and Development, 2018
Azimuthal electromagnetic logging while drilling (LWD), which is capable of providing accurate position information approaching bed boundary, has been widely applied in real-time geosteering.
Lei WANG   +5 more
doaj   +3 more sources

Desert Soil Salinity Inversion Models Based on Field In Situ Spectroscopy in Southern Xinjiang, China

open access: yesRemote Sensing, 2022
Soil salinization is prominent environmental issue in arid and semi-arid regions, such as Xinjiang in Northwest China. Salinization severely restricts economic and agricultural development and would lead to ecosystem degradation.
Yu Wang   +6 more
doaj   +1 more source

Models with inverse-square exchange [PDF]

open access: yesPhysical Review B, 1992
26 ...
Ha, Z. N. C., Haldane, F. D. M.
openaire   +3 more sources

Hyperspectral Inversion of Soil Carbon and Nutrient Contents in the Yellow River Delta Wetland

open access: yesDiversity, 2022
Hyperspectral inversion techniques can facilitate soil quality monitoring and evaluation. In this study, the Yellow River Delta Wetland Nature Reserve was used as the study area.
Leichao Nie   +9 more
doaj   +1 more source

Littlest inverse seesaw model

open access: yesNuclear Physics B, 2020
We propose a minimal predictive inverse seesaw model based on two right-handed neutrinos and two additional singlets, leading to the same low energy neutrino mass matrix as in the Littlest Seesaw (LS) (type I) model. In order to implement such a Littlest Inverse Seesaw (LIS) model, we have used an $S_{4}$ family symmetry, together with other various ...
Cárcamo Hernández, A.E., King, S.F.
openaire   +6 more sources

Hyperspectral Inversion Model of Relative Heavy Metal Content in Pennisetum sinese Roxb via EEMD-db3 Algorithm

open access: yesRemote Sensing, 2023
Detection rapidity and model accuracy are the keys to hyperspectral nondestructive testing technology, especially for Pennisetum sinese Roxb (PsR) due to its extremely high adsorptive heavy metal content.
Ting Tang   +7 more
doaj   +1 more source

Spectral Characteristics and Inversion Model of Water, Nitrogen and Salt in Saline Soil in Southern Xinjiang

open access: yesGuan'gai paishui xuebao, 2023
【Objective】 Soil nitrogen and water are crucial factors influencing crop growth. Understanding their spatiotemporal variation at large scales is essential for improving agricultural management but challenging.
ZHAO Zeyi   +7 more
doaj   +1 more source

Tomographic inversion of time-domain resistivity and chargeability data for the investigation of landfills using a priori information [PDF]

open access: yes, 2017
In this paper, we present a new code for the modelling and inversion of resistivity and chargeability data using a priori information to improve the accuracy of the reconstructed model for landfill.
CARDARELLI, Ettore, DE DONNO, GIORGIO
core   +1 more source

Research on Inversion Model of Cultivated Soil Moisture Content Based on Hyperspectral Imaging Analysis

open access: yesAgriculture, 2020
Based on hyperspectral imaging technology, rapid and efficient prediction of soil moisture content (SMC) can provide an essential basis for the formulation of precise agricultural programs (e.g., forestry irrigation and environmental management).
Tinghui Wu   +4 more
doaj   +1 more source

Measuring the Optical Properties of Highly Diffuse Materials

open access: yesSensors, 2023
Measuring the optical properties of highly diffuse materials is a challenge as it could be related to the white colour or an oversaturation of pixels in the acquisition system.
Mathieu Nguyen   +2 more
doaj   +1 more source

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