Results 41 to 50 of about 5,611,319 (281)
Fuzzy stability analysis of regenerative chatter in milling [PDF]
, 2010 During machining, unstable self-excited vibrations known as regenerative chatter can occur, causing excessive tool wear or failure, and a poor surface finish on the machined workpiece. Consequently it is desirable to predict, and hence avoid the onset of
Mann, B.P., Manson, G., Sims, N.D.
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Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
FEBS Letters, EarlyView.Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
MachinesAiming to solve the difficult problem of the miniaturization of servo valves, this paper designs a subminiature two-dimensional (2D) electro-hydraulic servo valve, which realizes the integration of the pilot stage and the power stage and significantly ...
Lei Pan +4 more
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Applied Sciences, 2022 Taking the Qingdong Mine as the research object, combined with field measurement data, numerical simulation and theoretical analysis are used to examine the temperature field and stability of the frozen wall in the mine, respectively.
Wei Long +6 more
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Stability and Vibrational Analysis of a Flexible Damped Rotor System using Finite Element Method [PDF]
, 2016 Dynamic stability of a damped flexible Rotor system is studied in this work. Analysis of a damped rotating shaft with multiple discs are carried out by, varying the rotor offset positions in order to investigate the effect on critical speed and frequency
A, A. (Ashfak), J, A. C. (Akhil)
core
Stability Analysis of Axial Reflection Symmetric Spacetime
, 2015 In this paper, we explore instability regions of non-static axial reflection symmetric spacetime with anisotropic source in the interior. We impose linear perturbation on the Einstein field equations and dynamical equations to establish the collapse ...
Bhatti, M. Zaeem Ul Haq, Sharif, M.
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Mapping the evolution of mitochondrial complex I through structural variation
FEBS Letters, EarlyView.Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin +2 more
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Mathematical Perspective on Piaget’s Theory and Its Implications for Teaching and Learning
Journal of Learning Theory and MethodologyObjectives. This paper applies mathematical modelling to Piaget’s theory of cognitive development through a system of differential equations. By modelling the progression through Piaget’s cognitive stages, the research aims to assess the stability of ...
Chinedu Obasi, Patricia Obi
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FEBS Letters, EarlyView.Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho +3 more
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Electronic Journal of Plant BreedingThe present study consisted of total 45 hybrids along with 18 parents and 2 checks. These entries were evaluated in randomized block design with three replications over three locations.
Sandeep Kumar Bangarwa1, R. B. Dubey1, Rubby Sandhu2*and Raval Kalpesh
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