Results 11 to 20 of about 861,902 (269)

Control theory of uniform strength support in deep roadway

open access: yes矿业科学学报, 2021
In this paper, a large number of coal mine roadway failure cases are investigated, and 6 types and 15 typical failure forms are extracted.The mechanical characteristics and stress distribution of surrounding rock of typical roadway shapes such as ...
Zuo Jianping   +4 more
doaj   +1 more source

Stronger wind, smaller tree: Testing tree growth plasticity through a modeling approach

open access: yesFrontiers in Plant Science, 2022
Plants exhibit plasticity in response to various external conditions, characterized by changes in physiological and morphological features. Although being non-negligible, compared to the other environmental factors, the effect of wind on plant growth is ...
Haoyu Wang   +10 more
doaj   +1 more source

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

Tinnitus: Models and mechanisms [PDF]

open access: yesHearing Research, 2011
Over the past decade, there has been a burgeoning of scientific interest in the neurobiological origins of tinnitus. During this period, numerous behavioral and physiological animal models have been developed which have yielded major clues concerning the likely neural correlates of acute and chronic forms of tinnitus and the processes leading to their ...
openaire   +2 more sources

Modeling Mechanisms of Cell Secretion [PDF]

open access: yesActa Biotheoretica, 2010
Secretion is a fundamental cellular process involving the regulated release of intracellular products from cells. Physiological functions such as neurotransmission, or the release of hormones and digestive enzymes, are all governed by cell secretion.
TSANEVA ATANASOVA K   +3 more
openaire   +3 more sources

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

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