Results 11 to 20 of about 16,728,272 (259)

CONSTRUCTION OF MECHANICAL MODEL OF THE DIESEL-TRAIN DTKR-2 CAR AND ITS FEATURES

open access: yesNauka ta progres transportu, 2017
Purpose.The article is aimed to construct the mechanical model of the diesel train DTKr-2 of the Kryukivsk Railway Car Building Works based on the analysis of undercarriage construction.
A. Y. Kuzyshyn, А. V. Batig
doaj   +1 more source

Mechanism and Prevention of Rockburst in Steeply Inclined and Extremely Thick Coal Seams for Fully Mechanized Top-Coal Caving Mining and Under Gob Filling Conditions

open access: yesEnergies, 2020
The steeply inclined and extremely thick coal seams (SIETCS) under the condition of gob filling frequently suffer from the occurrence of rockbursts. Figuring out the mechanisms of rockbursts under this condition for taking targeted measures to mitigate ...
Shengquan He   +6 more
doaj   +1 more source

STUDY ON THE PERFORMANCE OF HIGH-MODULUSASPHALT CONCRETEPAVEMENT IN EXTREMECURVES OR STEEP SLOPES OF TRUNK HIGHWAY [PDF]

open access: yesCivil Engineering Journal, 2020
With the purpose of the project, we determined the performance of high modulus asphalt concrete(HMAC) pavement in sharp curves or steep slopes of the trunk highway.
Honglei Zhang, Mingrui Yang, Youcheng Ma
doaj   +1 more source

A Fault Diagnosis Method of Contactor Based on Support Vector Classifier

open access: yesKongzhi Yu Xinxi Jishu, 2022
Contactors are widely used in power, distribution and power applications. Health of contactor is a key factor to the healthy operation of power system. In this paper, a dynamic model of armature movement in the process of contactor closing is established,
YANG Jiawei   +4 more
doaj  

Failure Prediction of Composite Flexible Pipes Under Tension

open access: yesShiyou jixie, 2023
Due to their structural advantages,composite flexible pipes have gradually become the main substitute for steel pipes.In order to understand the mechanisms behind the effects on tensile properties of flexible pipes,the tensile properties of fiber ...
Zhang Yuansheng   +3 more
doaj  

Multi-Band Surgery for Repaired Tetralogy of Fallot Patients With Reduced Right Ventricle Ejection Fraction: A Pilot Study

open access: yesFrontiers in Physiology, 2020
IntroductionRight ventricle (RV) failure is one of the most common symptoms among patients with repaired tetralogy of Fallot (TOF). The current surgery treatment approach including pulmonary valve replacement (PVR) showed mixed post-surgery outcomes.
Han Yu   +11 more
doaj   +1 more source

Experimental and modeling investigation on compression springback property of mullite fiber reinforced silica aerogel composites

open access: yesCailiao gongcheng, 2022
Uniaxial compression tests were carried out on mullite fiber reinforced silica aerogel composites in the out-of-plane direction. Influences of different ultimate strains and thermal exposure temperatures on the compression springback behavior and ...
LYU Shuangqi   +5 more
doaj   +1 more source

A review on fatigue fracture characteristics in graphene reinforced nanocomposites

open access: yesAin Shams Engineering Journal
The invention of nanoparticles brought a new dimension of research into fabricating and utilizing nanocomposites. Especially nanoparticles in the range between 1 and 100 nm become a prime concern as they possess completely unique properties.
AKM Asif Iqbal   +2 more
doaj   +1 more source

Dynamic Analysis and Seat Selection of Bus Driving Comfort under Different Road Conditions

open access: yesApplied Sciences, 2023
The comfort of a bus running on different road conditions is a matter of public concern. In this paper, the differential equations of motion are established for a bus running on different road conditions and the whole driving process is mechanically ...
Rui Sun, Jianguo Wang, Ying Liu
doaj   +1 more source

Early Body Mass Index z‐Score Change and Resolution of Severe Malnutrition in Children With Sickle Cell Anemia in a Low‐Income Setting: A Prospective Single‐Arm Extension Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with sickle cell anemia (SCA) in low‐income settings are at risk of severe malnutrition, but optimal nutritional management has not been established. We evaluated an intensified ready‐to‐use therapeutic food (RUTF) regimen in children with persistent severe malnutrition after initial treatment and assessed whether early ...
Safiya Gambo   +9 more
wiley   +1 more source

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