Are Urban-Canopy Velocity Profiles Exponential? [PDF]
Boundary-Layer Meteorology, 2017 Using analyses of data from extant direct numerical simulations and large-eddy simulations of boundary-layer and channel flows over and within urban-type canopies, sectional drag forces, Reynolds and dispersive shear stresses are examined for a range of roughness densities.
openaire +3 more sources
Calpain small subunit homodimerization is robust and calcium‐independent
FEBS Letters, EarlyView.Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy +4 more
wiley +1 more source
Mean velocity and suspended sediment concentration profile model of turbulent shear flow with probability density function [PDF]
, 2017 This work purposes a general mean velocity and a suspended sediment concentration (SSC) model to express distribution at every point of the cross section of turbulent shear flow by using a probability density function method.
Zhu, Liangsheng +5 more
core +1 more source
Mean Flow Velocity Prediction of Lateral Intakes by Using Computational Fluid Dynamic , Artificial Neural Network and the Flowmeter Measurements [PDF]
مهندسی منابع آب, 2018 Lateral intakes are one of the most common structures of dividing the flow in irrigation and drainage systems. Due to complexity of the velocity profile in divide zone, measurement of mean flow velocity is become very difficult.
sohrab karimi, hojat karami, kh h
doaj
Structural insights into an engineered feruloyl esterase with improved MHET degrading properties
FEBS Letters, EarlyView.A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa +5 more
wiley +1 more source
Degradation mechanism of the von Willebrand factor A2 domain by nattokinase
FEBS Letters, EarlyView.Nattokinase, a natto‐derived protease, exhibits potent antithrombotic effects. This study demonstrates that nattokinase directly cleaves the von Willebrand factor (vWF) A2 domain in vitro. Unlike the native regulator ADAMTS13, nattokinase degrades folded vWF independently of shear stress.
Ryuichi Hyakumoto +3 more
wiley +1 more source
Study on hydraulic characteristics of step-pool system
Shui kexue jinzhan, 2014 Step-pool system is a typical bed micro-morphology in high gradient (>3%) mountain rivers,which creates extremely high turbulence intensity and thus dissipates most of the flow energy. An artificial step-pool system was constructed in the Wenxia River
LI Wenzhe +4 more
doaj +1 more source
Engineering Reports, 2020 Particle image velocimetry (PIV) measurement technique provides an excellent opportunity for investigating instantaneous spatial structures which are not always possible with point measurements techniques like laser Doppler velocimetry.
Paul Onubi Ayegba +1 more
doaj +1 more source
Numerical Simulation of Slope–Gully–Stream Sediment Transport Process with Water and Gravity Erosion
Frontiers in Earth Science, 2022 Soil erosion has become a global problem with serious consequences. It is the source of sediment in rivers, and the subsequent sediment transport is important.
Yan Liu, Zhenyu Yang, Xiekang Wang
doaj +1 more source
Modulation of Homer1 EVH1 domain internal dynamics by putative autism‐associated mutations
FEBS Letters, EarlyView.The putative autism‐associated M65I and S97L variants of the EVH1 domain of the postsynaptic scaffold protein Homer1 do not exhibit substantial changes in their overall structure or partner binding. Both of them, but especially the M65I variant, show altered internal dynamics relative to the wild‐type domain on the μs‐ms timescale, indicated by the ...
Fanni Farkas +6 more
wiley +1 more source