Results 11 to 20 of about 23,519,245 (275)

CVT for a Small Electric Vehicle Using Centrifugal Belt Pulley

open access: yesEnergies, 2022
In a conventional continuously variable transmission (CVT), the belt slides up and down along the slope of the pulley to shift gears. Efficiency is reduced because of slippage from the shifting of the belt.
Hyung-jin Do, Se-hoon Oh
doaj   +1 more source

Penerapan Push Notification Pada Aplikasi Info Kajian Online Berbasis Mobile [PDF]

open access: yes, 2021
Kajian Islam merupakan dakwah atau wasilah dengan tujuan bagaimana kaum muslimin memahami ajaran Islam dengan baik dan benar. Kajian yang diselenggarakan oleh Wahdah Islamiyah saat ini masih online disebabkan adanya wabah Covid 19.
Abdullah, Syahrul Mubarak   +2 more
core   +2 more sources

Progressive collapse analysis of reinforced concrete in buildings L-shaped plan [PDF]

open access: yesJournal of Structural and Construction Engineering, 2018
One of the most important issues discussed structural passive defense is progressive collapse. Progressive collapse occurs the sudden destruction caused by the deliberate structural member by accidents or disasters, such as earthquakes and terrorist ...
Hamze Rouhi, Ali Kheyroddin
doaj   +1 more source

Energy analysis of gait in patients with down syndrome

open access: yesHeliyon, 2022
Background: the primary aim of this study is to analyse the energy parameters of patients with Down syndrome compared to a control group and secondly to verify whether the sport activity leads to differences in energy expenditure.
Cristina Ferrario   +3 more
doaj   +1 more source

Evaluation of push-out bond strength, dentinal tubule penetration and adhesive pattern of bio-ceramic and epoxy resin-based root canal sealers.

open access: yesPLoS ONE, 2023
IntroductionRoot canal sealing materials play a crucial role in an endodontic procedure by forming a bond between the dentinal walls and the gutta-percha.
Mohmed Isaqali Karobari   +4 more
doaj   +1 more source

Vibration Property of a Cryogenic Optical Resonator within a Pulse-Tube Cryostat

open access: yesSensors, 2021
Cryogenic ultrastable laser cavities push laser stability to new levels due to their lower thermal noise limitation. Vibrational noise is one of the major obstacles to achieve a thermal-noise-limited cryogenic ultrastable laser system. Here, we carefully
Yanxia Ye   +6 more
doaj   +1 more source

Comparing measurement techniques of accommodative amplitudes

open access: yesIndian Journal of Ophthalmology, 2014
Aim and Background: This study was designed to compare four standard procedures, for determining the monocular accommodative amplitudes. Materials and Methods: Fifty-two students participated in this analytical-descriptive study. Accommodative amplitudes
Hamed Momeni-Moghaddam   +2 more
doaj   +1 more source

MULTIPLE STRATEGIES AS OPTIMAL CONTROL OF A COVID-19 DISEASE WITH QUARANTINE AND USING HEALTH MASKS

open access: yesBarekeng, 2022
This research develops an optimal control as an effort to push down the widely of Covid-19 with a mathematical model. Where, the problem of optimal control is conducted by adding three control variables, i.e an effort to avoid direct contact between the ...
Lukman Hakim
doaj   +1 more source

Assessment of an experimental unit for greywater treatment; for water conservation purposes [PDF]

open access: yesAswan University Journal of Environmental Studies, 2022
Decreasing of freshwater is one of the biggest problems that faces Egyptian and international society as well, where increase in water consumption with population growth, rare rain with high evaporation, evolution of living, expansion of agricultural ...
Mohamed F. A. SOLIMAN, Mohamed Soliman
doaj   +1 more source

Movement characteristics and formation mechanism of the "6·10" Pengjiadong high speed landslide in Xingren

open access: yes地质科技通报, 2022
At approximately 20:30 on June 10, 2021, a high-speed landslide occurred in Pengjiadong in Xingren. The landslide mass moved at a high speed and scraped the slope collapse accumulation along the way, killed 3 people and damaged 18 houses.
Dewu Liao   +5 more
doaj   +1 more source

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