Results 181 to 190 of about 1,063,107 (310)

Phenotypic Characterization of Pectinase‐Producing Alkaliphilic Microbial Isolates From Lake Bogoria, Baringo County, Kenya

open access: yesMicrobiologyOpen, Volume 14, Issue 5, October 2025.
Four alkaliphilic microbial isolates were screened, and all were found to produce alkaline pectinases. All the pectinase‐producers were identified as Bacillus halodurans. ABSTRACT Alkaline pectinases are in demand in industrial processes that require the degradation of plant pectins at high pH, for example, removal of pectin stains from fabrics ...
Kevin Raymond Oluoch   +3 more
wiley   +1 more source

Asymptotically stable data-driven koopman operator approximation with inputs using total extended DMD

open access: yesMachine Learning: Science and Technology
The Koopman operator framework can be used to identify a data-driven model of a nonlinear system. Unfortunately, when the data is corrupted by noise, the identified model can be biased.
Louis Lortie, James Richard Forbes
doaj   +1 more source

Improving Dryland Depth to Water Table Estimate Using an Integrated Model With Three Submodels

open access: yesWater Resources Research, Volume 61, Issue 10, October 2025.
Abstract Investigating dryland phreatic water assets requires an in‐deep understanding of depth to water table (DWT). However, current DWT methods suffer from limited accuracy and demand refinement. Therefor, this study suggests one novel integrated model cascaded by twin, assimilation, and DWT submodels.
Shaohui Chen
wiley   +1 more source

Uncovering Price Patterns in the Raw Milk Markets of Central and Southeast European Countries: Implications for Farm Economic Resilience

open access: yesAustralian Journal of Agricultural and Resource Economics, Volume 69, Issue 4, Page 947-959, October 2025.
ABSTRACT We employ state‐space models to analyse the trend, seasonal component and cycle of farmgate milk prices in Balkan countries, namely Greece, Bulgaria and Slovenia, and in Hungary. We split the time span in 2016 to assess whether the dairy policies undertaken until the abolition of the milk quota system have affected the price cycles.
Andreas Rokopanos   +2 more
wiley   +1 more source

Koopman Operators for Generalized Persistence of Excitation Conditions for Nonlinear Systems

open access: green, 2019
Nibodh Boddupalli   +3 more
openalex   +2 more sources

Data Driven Modeling of Turbocharger Turbine using Koopman Operator

open access: green, 2022
Shrenik Zinage   +4 more
openalex   +2 more sources

Nonparametric Sparse Online Learning of the Koopman Operator

open access: yes
This work was intended as a replacement of arXiv:2405.07432 and any subsequent updates will appear ...
Hou, Boya   +4 more
openaire   +3 more sources

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