Results 71 to 80 of about 2,125 (266)

Autonomous X‐Ray Fluorescence Mapping for Nanoscale Chemical Speciation of Fine Particulate Matter

open access: yesAdvanced Intelligent Discovery, EarlyView.
We present X‐AutoMap, an autonomous X‐ray fluorescence mapping framework that integrates real‐time analysis with rule‐based computer vision to selectively target chemically relevant regions. By avoiding background‐dominated areas, the method reduces acquisition time by fourfold while enabling accurate particle‐level speciation.
Carlos Deleon   +3 more
wiley   +1 more source

Brake squeals phenomena of disc brake for railroad cars

open access: yesTransactions of the JSME (in Japanese), 2016
Brake squeals phenomena of the disc brake system for railroad cars were reproduced and were investigated in the test stands using a full-size brake rotor, a wheel, a floating caliper and a brake pad. Brake squeals of the disc-brake apparatus occurred at a low speed of 20 km/h or less, and the magnitude of brake squeals increased as the average braking ...
Hajime TAKAMI, Shinichi SAGA
openaire   +3 more sources

Age‐associated immune dysregulation links to disease severity in macrolide‐resistant Mycoplasma pneumoniae pneumonia: Insights from a comparative juvenile–adult mouse model

open access: yesAnimal Models and Experimental Medicine, EarlyView.
Macrolide‐resistant Mycoplasma pneumoniae (MRMP) infected both juvenile and adult mice, with results compared to normal juvenile mice. The findings revealed comparable bacterial loads between juvenile and adult mice, yet juvenile mice exhibited more severe lung damage and elevated levels of inflammatory cytokines.
Xuejun Li   +12 more
wiley   +1 more source

Cooling Holes in Polymer Spur Gears: A Critical Analysis of Heat Dissipation Benefits and Mesh Stiffness Penalties

open access: yesJournal of Applied Polymer Science, EarlyView.
Cooling holes provide a simple passive cooling strategy for polymer spur gears, reducing maximum operating temperature by up to 9.39% while introducing a measurable gear mesh stiffness penalty. A validated response‐surface model reveals how hole size and location govern this thermal–mechanical trade‐off, enabling design optimization for thermally and ...
Abderrahim Baccar   +5 more
wiley   +1 more source

Scaling and ecomorphology of lagomorph body shape and appendicular skeleton

open access: yesThe Anatomical Record, EarlyView.
Abstract Body shape is one of the most prominent features of phenotypic variation. Yet, mammalian body shapes are poorly quantified and the underlying components contributing to its diversity and its relationship to other skeletal components are rarely tested.
Nia Brice, Coby Huizenga, Chris J. Law
wiley   +1 more source

Experimental study on the temperature evolution in the railway brake disc

open access: yesTheoretical and Applied Mechanics Letters, 2019
Increasing operating speed of modern passenger railway vehicles leads to higher thermal load on the braking system. Organic composite brake pads are poor thermal conductors, hence frictional heat is absorbed mainly by the disc.
Aleksander Yevtushenko   +2 more
doaj   +1 more source

The ORCA‐TWIN qCMOS Experiment I. Science Case and Commissioning at Calar Alto Observatory

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT We describe a pilot study to explore a new generation of fast and low noise CMOS image sensors for time domain astronomy, using two remote telescopes with a baseline of 1635 km. The experiment involves direct imaging with novel qCMOS image sensor technology that combines fast readout with sub‐electron readout noise.
Martin M. Roth   +20 more
wiley   +1 more source

Research on heat dissipation of brake disc in the semi-enclosed space under high-speed train based on fluid-solid-thermal coupling method

open access: yesCase Studies in Thermal Engineering
The maximum operating speed of trains can reach 400 km/h, the temperature of brake discs will rise rapidly during emergency braking and brings safety hazards.
Shize Zheng, Jingxian Ding, Jianyong Zuo
doaj   +1 more source

Integrated spherical nucleic acid nanoreactor mobilizes targeted PD‐L1 proteolysis and cuproptosis for robust breast cancer immunotherapy

open access: yesBMEMat, EarlyView.
This study provides an integrated spherical nucleic acid nanoreactor (denoted as AMCuD) for targeted PD‐L1 degradation and chemo‐dynamically enhanced cuproptosis to synergically elicit robust immunotherapy against the triple‐negative breast cancer (TNBC) growth, recurrence and metastasis.
Ningxi Li   +9 more
wiley   +1 more source

Study of heat transfer on front– and back-vented brake discs [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2013
A brake disc plays an important role in the automotive industry since it concerns directly with safety. In order to develop proper heat ventilation a wide range of brake discs have been designed.
Supachai Lakkam   +4 more
doaj  

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