Results 61 to 70 of about 1,085,697 (295)
Computer-aided efficient design and performance optimization of cutting head for roadheader
Scientific Reports, 2022 The cutting head is the core working mechanism of the roadheader for coal-rock materials cutting. The efficient and high performance design of cutting head is the key to improve the road head digging and mining technology. In this paper, based on cutting
Xin Jin +3 more
doaj +1 more source
Tool Life of PM-HSS Cutting Tools when Milling of Titanium Alloy [PDF]
, 2017 Machining of titanium alloys meets with poor life of a cutting tool. It is caused by a low thermal conductivity and by a high strength-to-weight ratio of the alloys. Various approaches for cost-effective and productive machining titanium alloys are still
Bach P., Trmal G., Zeman P.
core
In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS
FEBS Letters, EarlyView.We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka +11 more
wiley +1 more source
Cutting performance of diamond-like carbon coated tips in ultrasonic osteotomy
Journal of Dental Sciences, 2014 Background/purpose: Ultrasonic osteotomy has been introduced in oral and maxillofacial surgery in recent years for minimally invasive treatment. The purpose of this study is to evaluate the cutting performance of three different coated tips by the ...
Yunn-Shiuan Liao +5 more
doaj +1 more source
Structural biology of ferritin nanocages
FEBS Letters, EarlyView.Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley +1 more source
Optimal submerged waterjet for gas recovery based on Arbitrary Lagrange‐Euler
Energy Science & Engineering, 2019 This paper proposes a coupled model of waterjet cutting coal containing gas with the Arbitrary Lagrange‐Euler algorithm assistance. The dynamic evolution of coal damage and the cutting performance under different jet conditions, including jet pattern ...
Long Wang +4 more
doaj +1 more source
Study on the Engineering Technology of the Structural Design of the Index-able Turning Tool
Journal of Harbin University of Science and Technology, 2017 The optimal geometry of the working part of the cutting tool has an important influence on aspects such as high quality parts processing，improvement of production efficiency and the longer tool life in the cutting process.
HE Geng-huang +4 more
doaj +1 more source
Practical Performance of Efficient Minimum Cut Algorithms [PDF]
Algorithmica, 2000 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Michael Jünger +2 more
openaire +2 more sources
FEBS Letters, EarlyView.In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai +9 more
wiley +1 more source
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