Results 81 to 90 of about 391,162 (302)

Chatter milling modeling of active magnetic bearing spindle in high-speed domain [PDF]

, 2011
A new dynamical modeling of Active Magnetic Bearing Spindle (AMBS) to identify machining stability of High Speed Milling (HSM) is presented. This original modeling includes all the minimum required parameters for stability analysis of AMBS machining. The
Arnaud, Lionel, Gourc, Etienne, Seguy, Sébastien   +2 more
core   +4 more sources

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

Molecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Design development of machine shop area for the case TSF-8.171.137 manufacture including the study of cutting tool geometrical parameters influence on cutting force parameters [PDF]

, 2019
The thesis develops the design of machine shop area for manufacturing the case and researching the impact of cutting tool geometrical parameters on cutting force components and tool lifeCONTENTS INTRODUCTION 1. ANALYTIC CHAPTER 1.1.
Duhair, Yousif, Духаір, Юсіф
core  

Nanoscale Metamaterial Optical Waveguides with Ultrahigh Refractive Indices

, 2012
We propose deep-subwavelength optical waveguides based on metal-dielectric multilayer indefinite metamaterials with ultrahigh effective refractive indices.
Babinec, Cai, Chandran, Chen, Choi, Cui, Elser, Elser, Foss, Gan, Govyadinov, Han, Huang, Jacob, Jacob, Jiang, Jie Gao, Johnson, Lin, Liu, Liu, Lu, Meng, Noginov, Noginov, Oulton, Pendry, Pendry, Sailing He, Salandrino, Schurig, Shelby, Shen, Shi, Shin, Smith, Sun, Veselago, Xiao, Xiaodong Yang, Xu, Yan, Yang, Yang, Yao, Yao, Yingran He   +46 more
core   +1 more source

Energy efficiency in discrete-manufacturing systems: insights, trends, and control strategies [PDF]

, 2019
Since the depletion of fossil energy sources, rising energy prices, and governmental regulation restrictions, the current manufacturing industry is shifting towards more efficient and sustainable systems.
Diaz Castañeda, Jenny Lorena, Ocampo-Martínez, Carlos   +1 more
core   +2 more sources

OPTIMIZATION OF CUTTING MODES AND OPTIMALITY CRITERIA

, 2023
The work considers the optimization model of the machining process. Optimi‐zation criteria and objective functions used in calculations are given. Keywords: optimization of cutting modes, optimization criteria, cutting modes, optimal parameters 
Bohdanov, Oleksandr, Zakharov, Oleksandr, Mohylchenko, Nikita   +2 more
openaire   +1 more source

A Study of Mechanics in Brittle–Ductile Cutting Mode Transition [PDF]

Micromachines, 2018
This paper presents an investigation of the mechanism of the brittle–ductile cutting mode transition from the perspective of the mechanics. A mechanistic model is proposed to analyze the relationship between undeformed chip thickness, deformation, and stress levels in the elastic stage of the periodic chip formation process, regarding whether brittle ...
Gaobo Xiao, Mingjun Ren, Suet To
openaire   +4 more sources

Colorectal cancer‐derived FGF19 is a metabolically active serum biomarker that exerts enteroendocrine effects on mouse liver

Molecular Oncology, EarlyView.
Meta‐transcriptome analysis identified FGF19 as a peptide enteroendocrine hormone associated with colorectal cancer prognosis. In vivo xenograft models showed release of FGF19 into the blood at levels that correlated with tumor volumes. Tumoral‐FGF19 altered murine liver metabolism through FGFR4, thereby reducing bile acid synthesis and increasing ...
Jordan M. Beardsley, Michael W. Rohr, Joseph A. Goode, Sai Preethi Nakkina, Jignesh G. Parikh, Deborah A. Altomare   +5 more
wiley   +1 more source

Modelling and mechanical characteristics of PDC cutter-rock interaction by combining mixed fragmentation modes with dynamic rock strength

Petroleum
Polycrystalline diamond compact (PDC) bit is one of the most widely used drill bits for improving the rate of penetration in deep oil and gas well and geothermal well.
Guangjian Dong, Ping Chen, Xudong Wang, Jianhong Fu, Yingxin Yang   +4 more
doaj   +1 more source

Simulation models of vibrations at holes boring factored in the technological system’s variable rigidity

Trudy Odesskogo Politehničeskogo Universiteta, 2014
At elongated holes boring several imperfections can occur, namely, the surface waviness and shape inaccuracies in the axial section. This research purpose is to establish the regularities of such imperfections formation depending on the technological ...
Boris О. Tkachenko, Аnna V. Balaniuk
doaj   +1 more source