Results 11 to 20 of about 420,286 (269)

Effect of Obstacles Transversal Distances on Suspended Sediment Transport in The Case of Transverse Wave Occur [PDF]

open access: yesعلوم و مهندسی آبیاری, 2015
In present study the effect of obstacles transversal distances in a staggered and an in-line arrangement on suspended sediment load transport in a rectangular flume was investigated.
Neda Poustizadeh, Mehdi Ghomeshi
doaj   +1 more source

Mechanism of Low-Frequency Oscillation When Electric Multiple Units Pass Neutral Zone, and Suppression Method

open access: yesEnergies, 2023
This article addresses the problem of the contact voltage increase caused by the low-frequency oscillation of the train-grid system in the phase-separation process of EMUs.
Jixing Sun   +6 more
doaj   +1 more source

Study on floor heave mechanism and control technology of roadway based on slip line field theory

open access: yes矿业科学学报, 2021
Based on the slip line field theory, the slip line field model of roadway floor is established.Taking 1021 roadway of Huipodi coal mine in Shanxi Province as the engineering background, the mechanism of asymmetric floor heave of roadway is studied, and ...
Cheng Hui   +5 more
doaj   +1 more source

A Study of Protection Method for Hybrid Multiterminal UHVDC Lines Based on CEEMDAN–Teager Energy Operator

open access: yesFrontiers in Energy Research, 2022
In the research, a protection scheme for hybrid multiterminal UHVDC lines based on the CEEMDAN and Teager energy operator is proposed. The fault direction criterion is proposed according to the polarity difference of the sudden variable of the mode ...
Chao Xing   +8 more
doaj   +1 more source

To stay or to move? Investigation on residents' migration intention under frequent secondary disasters in Wenchuan earthquake-stricken area

open access: yesFrontiers in Public Health, 2022
The deterioration of the living environment caused by the earthquake is the main migration motivation of residents in the area of the secondary earthquake disaster, and their migration intention is one of the most important factors affecting residents ...
Huan Huang   +7 more
doaj   +1 more source

Elastic-plastic analysis of the crack surface vicinity under a pair of anti-plane forces applied at an arbitrary point on the crack surface

open access: yesAIP Advances, 2018
An elastic-plastic analysis of the mode III crack surface vicinity was performed in an infinitely wide elastic-perfectly plastic plate, in which a pair of anti-plane forces applied at an arbitrary point on the crack surface.
Feng Huang   +7 more
doaj   +1 more source

La WOL dans les Ardennes et les rapports géographie – nazisme au sein du IIIe Reich

open access: yesM@ppemonde, 2021
The 1940 defeat by Germany led to profound changes in the national territory. In addition to the establishment of a demarcation line between occupied France and the free zone, the Führer’s line separates France from territories located east of a line ...
Philippe Moyen
doaj   +1 more source

Do-it-yourself instrument integration into an existing mammalian cell line development automation platform

open access: yesSLAS Technology
Laboratory automation in the biopharmaceutical industry as a rule requires contracted service from highly professional automation solution provider, at times involving the purchase and development of specialized or customized hardware and software, which
Jie Ding, Kee Wee Tan, Xiaoyue Chen
doaj   +1 more source

Calcaneal Osteotomy Safe-Zone to Prevent Neurological Damage

open access: yesFoot & Ankle Orthopaedics, 2017
Category: Ankle, Hindfoot Introduction/Purpose: Calcaneal osteotomy is a relatively common procedure used to address hindfoot deformities with a lateral calcaneal slide being utilized in the treatment of varus deformities and a medial slide for valgus ...
Parke Hudson BS   +9 more
doaj   +1 more source

Fracture lines and comminution zones of traumatic sacral fractures

open access: yesTurkish Journal of Trauma and Emergency Surgery, 2023
Sacral fractures are uncommon and understanding three-dimensional morphology is needed to obtain proper treatment. The purpose of this study was to identify the repeatable fracture patterns and comminution zones for traumatic sacral fractures and create fracture maps.Computerized tomography images of 72 patients with traumatic sacral fracture were ...
Arat, Feridun   +5 more
openaire   +3 more sources

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