Results 71 to 80 of about 2,929,802 (304)
A method for static and dynamic load analysis of standard and modified spur gears [PDF]
, 1983 The mesh stiffness and dynamic load characteristics for several cases of the Normal Contract Ratio and High Contact ratio gearing. The considered contact ratios were grouped in the general range of 1.7,2.0, and 2.3.
Kasuba, R.
core +1 more source
Rethinking plastic waste: innovations in enzymatic breakdown of oil‐based polyesters and bioplastics
FEBS Open Bio, EarlyView.Plastic pollution remains a critical environmental challenge, and current mechanical and chemical recycling methods are insufficient to achieve a fully circular economy. This review highlights recent breakthroughs in the enzymatic depolymerization of both oil‐derived polyesters and bioplastics, including high‐throughput protein engineering, de novo ...
Elena Rosini +2 more
wiley +1 more source
Patellofemoral contact pressures.
Acta of bioengineering and biomechanics, 2009 A test rig for studying the biomechanical behaviour of post-mortem human knees is built. For loading the quadriceps tendon a special clamping device is constructed, so the forces up to 3000 N could easily be transferred to the tendon. Several post-mortem human knees used in this study are tested to collect data about the general biomechanics of knee ...
Jan, Quintelier +4 more
openaire +1 more source
FEBS Open Bio, EarlyView.What factors make for an effective digital learning tool in Higher Education? This systematic review identifies elements of a digital tool that published examples reveal to be features of an engaging and impactful digital tool. A systematic literature search yielded 25 research papers for analysis.
Akmal Arzeman +4 more
wiley +1 more source
Shiyou jixie, 2021 The normal operation of drilling tool is directly affected by the strength and sealing performance of its threaded joint. Therefore, in order to ensure the smooth progress of oil and gas production, it is necessary to analyze the strength and sealing ...
Liu Yonggang, Yin Chengxian, Ding Yuqi
doaj
The optimal design of standard gearsets [PDF]
, 1983 A design procedure for sizing standard involute spur gearsets is presented. The procedure is applied to find the optimal design for two examples - an external gear mesh with a ratio of 5:1 and an internal gear mesh with a ratio of 5:1.
Coy, J. J., Savage, M., Townsend, D. P.
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Portable Low‐Field Magnetic Resonance Imaging in People With Human Immunodeficiency Virus
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective The aging population of people with HIV (PWH) raises heightened concerns regarding accelerated aging and dementia. Portable, low‐field MRI (LF‐MRI) is an innovative technology that could enhance access and facilitate routine monitoring of PWH.
Annabel Sorby‐Adams +14 more
wiley +1 more source
Influence of Casing Wear on Sealing Performance of Packer
Shiyou jixie, 2021 In the process of drilling oil and gas wells in western China, severe casing wear occurred in many ultra-deep wells; however, in some special cases, the packer had to be set in the casing wear interval.
Wang Jieli +3 more
doaj
Ultrasonic characterisation of wheel hub/axle interference fit pressures [PDF]
, 2004 Railway wheels are secured onto the axle by means of an interference fit. The wheel is press fitted onto a pre-lubricated axle, and the resulting interference fit induces a contact pressure at the interface. Occasionally railway wheels fail by fatigue,
Demilly, F. +4 more
core
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To compare the effectiveness and safety of tenecteplase (TNK) versus alteplase (TPA) in patients with basilar artery occlusion prior to endovascular treatment (EVT). Methods In this retrospective multicenter study (BAO‐TNK), we analyzed consecutive BAO patients from 14 U.S.
Rahul R. Karamchandani +38 more
wiley +1 more source