Results 71 to 80 of about 436,148 (290)

Structure and Properties of Doped with Nitrogen and Vanadium High-Carbon Steels

Механика машин, механизмов и материалов, 2015
Free planar and bending interfacial and boundary vibrations of semi-infinite composed plates and plate-strips are studied. Using the system of equations of the related classical theory of orthotropic plates, dispersion equations and asymptotic formulas ...
Petr A. Vityaz, Victor I. Zhornik, V.A. Kukareko, Sergei Ya. Shypitsyn, Evgeny I. Mosunov, Svetlana A. Kovaliova   +5 more
doaj  

Method of Calculation Flexural Stiffness Over Natural Oscillations Frequencies

Archives of Civil Engineering, 2018
The actual load-bearing capacity of elements of a building system can be calculated by dynamic parameters, in particular by resonant frequency and compliance.
Nesterenko A., Stolpovskiy G., Nesterenko M.   +2 more
doaj   +1 more source

The human gut microbiome across the life course

FEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero, Basak Bahcivanci, Antonietta Hayhoe, Animesh Acharjee, Ezgi Özkurt   +4 more
wiley   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

FEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

What are natural frequencies? [PDF]

BMJ, 2011
Doctors need to find better ways to communicate risk to patients A 2011 Cochrane Review concluded that health professionals and consumers “understood natural frequencies better than probabilities.”1 A 2011 Annals of Internal Medicine article reported the opposite, that “natural frequencies are not the best format for communicating the absolute ...
openaire   +2 more sources

Phosphoinositides and inositol phosphates as molecular glues

FEBS Letters, EarlyView.
Inositol phosphates (IPs) and phosphoinositides (PIPs) regulate diverse eukaryotic processes. Beyond recruiting signaling proteins or acting as structural cofactors, recent studies suggest they mediate protein–protein interactions as natural molecular glues.
Aleshia Seaton‐Terry, Alexander J. Cutright, Mong Na Claire Loi, Jessica Martin, Joseph W. Gilligan, Jakub N. Kubina, Michael J. Arambula, Susanna Tanada Palmu, Daniella Zhou, Raymond D. Blind   +9 more
wiley   +1 more source

In-Process Monitoring of Changing Dynamics of a Thin-Walled Component During Milling Operation by Ball Shooter Excitation

Journal of Manufacturing and Materials Processing, 2020
During the milling of thin-walled workpieces, the natural frequencies might change radically due to the material removal. To avoid resonant spindle speeds and chatter vibration, a precise knowledge of the instantaneous modal parameters is necessary. Many
Daniel Bachrathy, Adam K. Kiss, Attila Kossa, Szabolcs Berezvai, David Hajdu, Gabor Stepan   +5 more
doaj   +1 more source

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

FEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

The effect of initial linkage disequilibrium and natural selection in pooled populations : experiments with Tribolium and simulation [PDF]

, 1972
In chapter 2 a number of the mechanisms are discussed through which genetic polymorphisms can be maintained in natural populations: overdominance, frequency dependent selection and neutral alleles with associative overdominance.
Stam, P.
core  

Natural vibration frequencies of tapered beams Engineering

Engineering Transactions, 2014
In this paper the free vibrations frequencies of tapered Euler-Bernoulli beams are calculated, in the presence of an arbitrary number of rotationally and/or axially, elastically flexible constraints.
M. A. DE ROSA, M. LIPPIELLO
doaj