Results 41 to 50 of about 14,734 (291)

Analysis of Contact Strength of Large Module Heavy Load Rack and Pinion

open access: yesShiyou jixie, 2018
The rack and pinion engagement system is the key equipment for the rack and pinion drilling rig. The operation safety of the entire drilling rig platform is subjected to the strength of the rack and pinion.
Feng Ding   +4 more
doaj  

Visionary, engineer, and experimenter: Three forms of entrepreneurship in the quest for product–market fit

open access: yesStrategic Entrepreneurship Journal, EarlyView.
Abstract Research summary Entrepreneurship unfolds under uncertainty, which complicates entrepreneurs' efforts to align idea, action, and environment to reach product–market fit. To illuminate how entrepreneurs perform such alignment, we complement the theory‐based view and its focus on cognitive uncertainty with a discussion of behavioral uncertainty.
Thomas Zellweger, Djordje Djokovic
wiley   +1 more source

Tooth Contact Analysis of Herringbone Rack Gears of an Impulse Continuously Variable Transmission

open access: yesInternational Journal of Automotive Science and Technology, 2021
Finite element based tooth contact analysis of a rack and pinion system of an impulse continuously variable transmission is performed in this study. The rack and pinion system are designed with involute profile herringbone tooth profiles.
Zhi Geng, Gang Li̇
doaj  

Data privacy model using blockchain reinforcement federated learning approach for scalable internet of medical things

open access: yesCAAI Transactions on Intelligence Technology, EarlyView.
Abstract Internet of Medical Things (IoMT) has typical advancements in the healthcare sector with rapid potential proof for decentralised communication systems that have been applied for collecting and monitoring COVID‐19 patient data. Machine Learning algorithms typically use the risk score of each patient based on risk factors, which could help ...
Chandramohan Dhasaratha   +9 more
wiley   +1 more source

Opportunities for the Labour Party: Football, Class and Community Renewal

open access: yesThe Political Quarterly, EarlyView.
Abstract This article argues that football represents an underutilised opportunity for the Labour Party to anchor a wider programme of civic renewal. In many working‐class communities, the decline of trade unions, working men's clubs and other associational spaces has eroded collective life, leaving football clubs as rare institutions where dignity ...
Sam Taylor Hill
wiley   +1 more source

Evaluation of Spur Gear Pair on Tooth Root Bending Stress in Radial Misalignment Contact Condition

open access: yesMATEC Web of Conferences, 2014
This paper evaluates the effects of radial misalignment contact on the tooth root bending stress values of spur gear pair during the gear meshing cycle.
Lias M.R.   +4 more
doaj   +1 more source

AGRICULTURE IN A SOCIALIST CITY: Towards an Alter‐Urban Political Ecology

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract Urban political ecology has developed as a critique of capitalist urbanization. This article develops the concept of alter‐urban political ecology to define urban environments emerging not from capitalist urbanization but from efforts to transform it. Drawing on archival research and ethnographic fieldwork in five urban farms in socialist Cuba,
Gustav Cederlöf
wiley   +1 more source

Performance enhancement of normal contact ratio gearing system through correction factor

open access: yesJournal of Mechanical Engineering and Sciences, 2019
As lined, higher transmission ratio drives system will have uneven stresses in the root region of the pinion and wheel. To enrich this agility of uneven stresses in normal-contact ratio (NCR) gearing system, an enhanced system is desirable to be ...
R. Ravivarman   +2 more
doaj   +1 more source

From Rating System to Thought Leadership: The Evolution of the Canada Green Building Council

open access: yesBusiness Ethics, the Environment &Responsibility, EarlyView.
ABSTRACT Green Building Social Movement Organizations encourage the adoption of green buildings, primarily by promoting sustainability rating tools. While numerous papers have explored the market impact of these sustainability rating tools, very few have examined either the lengthy and protracted process of their selection and enrollment by ...
J. J. McArthur   +2 more
wiley   +1 more source

HFT准双曲面齿轮的齿根过渡曲面和干涉、根切检验

open access: yesJixie chuandong, 2002
An analytical representation of HFT (Hypoid Formate Tilt) hypoid pinion fillet surface has been advanced. On this basis, an accurate model of pinion tooth has provided. By the numerical simulation on computer.
方宗德   +3 more
doaj  

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