Results 21 to 30 of about 140,658 (303)
On the puzzling plateau in the specific star formation rate at z=2-7 [PDF]
, 2011 The observational indications for a constant specific star-formation rate (sSFR) in the redshift range z=2-7 are puzzling in the context of current galaxy-formation models.
Agertz +105 more
core +1 more source
A Generalized Belt Tension Formulae.
Journal of the Textile Machinary Society, 1953 研究目的一般に糸が傾いて円筒に接触しっつ相対的に運動する場合, この糸と円筒との接触部両端の糸の張力が摩擦じよって如何に変化するかを解析的に検討し実際問題への応用の便に供する.研究結果第1報においては糸のみが運動する場合及び円筒のみが運動する場合を論じた.即ち糸の伸びの影響を無視し糸と円筒との間の摩擦力は単にその垂直圧力のみに比例し, 糸の中心線と相対速度とのなす角度には無関係と仮定して, 張力比, 摩擦係数, 接触角, 糸の傾き, 軸方向投影接触長さ等の間の関係を導いた.糸が傾かない場合と異なり, 張力比は糸の傾きを介して摩擦係数, 接触角により与えられる.一般の式の数値計算を便ならしめるため, 糸のみが運動する場合 ...
K. Nakajima, K. Matsuoka, T. Inoue
openaire +3 more sources
Jixie chuandong, 2020 The vehicle group chain conveyor is new developed continuous conveying equipment for bulk materials. Compared with existing general belt conveyors, its load-bearing component-the conveyor belt has less tension when the entire machine is running. Based on
Yaocheng Zhang, Yang Li
doaj
Crack‐Growing Interlayer Design for Deep Crack Propagation and Ultrahigh Sensitivity Strain Sensing
Advanced Functional Materials, EarlyView.A crack‐growing semi‐cured polyimide interlayer enabling deep cracks for ultrahigh sensitivity in low‐strain regimes is presented. The sensor achieves a gauge factor of 100 000 at 2% strain and detects subtle deformations such as nasal breathing, highlighting potential for minimally obstructive biomedical and micromechanical sensing applications ...
Minho Kim +11 more
wiley +1 more source
Advanced Functional Materials, EarlyView.The ultrahard teeth of mollusks that feed on rocky substrates contain a wear‐resistant coating on their surfaces consisting of densely packed mesocrystalline magnetic nanoparticles within an organic matrix. These coatings display significant hardness and toughness through their highly controlled mesocrystalline architectures.
Taifeng Wang +7 more
wiley +1 more source
FASTory assembly line power consumption data
Data in Brief, 2023 Machine learning (ML) techniques are widely adopted in manufacturing systems for discovering valuable patterns in shopfloor data. In this regard, machine learning models learn patterns in data to optimize process parameters, forecast equipment ...
Mahboob Elahi +3 more
doaj +1 more source
Instrument for measuring thin-film belt lengths [PDF]
, 1974 Instrument consists of base, vernier height gauge, sliding block, and balance-beam assembly with tension weight. Pulley bracket is provided with three pulley mounting holes, 4 inches apart, to accommodate widely different belt lengths.
Casad, T. A. +2 more
core +1 more source
Advanced Functional Materials, EarlyView.MAGTWIST: A compact magnetic rotary actuator, enabling smooth, stepless rotation, and on‐demand locking. Inspired by peristalsis, a soft polymer belt generates a traveling‐wave, enabling 270° rotation when heated. Cooling stiffens the belt, locking it in position and enabling it to withstand high loads.
Simon Frieler +3 more
wiley +1 more source
From transmission error measurement to Pulley-Belt slip determination in serpentine belt drives: influence of tensioner and belt characteristics [PDF]
, 2007 Serpentine belt drives are often used in front end accessory drive of automotive engine. The accessories resistant torques are getting higher within new technological innovations as stater-alternator, and belt transmissions are always asked for higher ...
Dufour, Regis +3 more
core +1 more source
Advanced Healthcare Materials, EarlyView.This study presents the first human neural organoid culture model capable of rapidly exhibiting long‐distance neural network propagation, thus delivering a system to experimentally investigate large‐scale communication during normal and diseased states.
Megh Dipak Patel +6 more
wiley +1 more source