Results 1 to 10 of about 20,974,828 (260)

Protocols for transgenesis at a safe harbor site in the Xenopus laevis genome using CRISPR-Cas9

open access: yesSTAR Protocols, 2023
Summary: We have established a new transgenesis protocol based on CRISPR-Cas9, “New and Easy Xenopus Transgenesis (NEXTrans),” and identified a novel safe harbor site in African clawed frogs, Xenopus laevis.
Yuki Shibata   +3 more
doaj   +1 more source

Validation of a 1:8 Scale Measurement Stand for Testing Airborne Sound Insulation

open access: yesSensors, 2021
This paper contains a detailed description of the design and validation of a measurement stand for testing the airborne sound insulation of specimens made at a small scale.
Agata Szeląg   +4 more
doaj   +1 more source

Turbulence Models Studying the Airflow around a Greenhouse Based in a Wind Tunnel and Under Different Conditions

open access: yesAgriEngineering, 2022
Turbulence phenomena created around a greenhouse due to different wind loads are key factors in its structural design and significantly affect the ventilation rates through its side and roof openings.
Georgios Partheniotis   +4 more
doaj   +1 more source

A Review of Current Research in Subscale Flight Testing and Analysis of Its Main Practical Challenges

open access: yesAerospace, 2021
Testing of untethered subscale models, often referred to as subscale flight testing, has traditionally had a relatively minor, yet relevant use in aeronautical research and development.
Alejandro Sobron   +2 more
doaj   +1 more source

Numerical Simulation and Experiment on Excavating Resistance of an Electric Cable Shovel Based on EDEM-RecurDyn Bidirectional Coupling

open access: yesMachines, 2022
The electric cable shovel (ECS) is one of the core pieces of equipment used in open-pit mining, and the prediction of its excavating resistance is the basis and focus of optimization design, such as excavation trajectory planning and structure ...
Yinnan Feng   +3 more
doaj   +1 more source

Scale Models to Verify the Effectiveness of the Methods to Reducing the Vertical Bending Vibration of the Railway Vehicles Carbody: Applications and Design Elements

open access: yesApplied Sciences, 2023
The purpose of this paper is to present applications and design elements of scale models of the carbody of railway vehicles integrated in experimental laboratory systems to verify the effectiveness of the methods to reduce vertical bending vibration of ...
Mădălina Dumitriu   +2 more
doaj   +1 more source

Sound Scattering by Gothic Piers and Columns of the Cathédrale Notre-Dame de Paris

open access: yesAcoustics, 2022
Although the acoustics of Gothic cathedrals are of interest to researchers, the acoustic impact of their many columns is often neglected. The construction of the Cathédrale Notre-Dame de Paris spanned several centuries, including a wide variety of ...
Antoine Weber, Brian F. G. Katz
doaj   +1 more source

Application of Housing History Courses by Experiential Learning Method: An Example of Housing Course in Anatolia from Past to Present

open access: yesMehmet Akif Ersoy Üniversitesi Fen Bilimleri Enstitüsü, 2020
Most of the theoretical courses that involved on the process of design education are explained through exemplification on concrete objects. Students can understand abstract concepts more easily during theoretical classes but find it difficult to perceive
Ayşegül DURUKAN, Mikail AÇIKEL
doaj   +1 more source

A Convolutional Neural Network Based on Attention Mechanism for Designing Vibration Similarity Models of Converter Transformers

open access: yesMachines, 2023
A vibration scale training model for converter transformers is proposed by combining attention modules with convolutional neural networks to solve the nonlinear problem of converter transformers in similar processes.
Hao Wang   +3 more
doaj   +1 more source

Validation of mathematical model of electrothermal calculation of DC catenary on the basis of scale model

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2018
The article compares the results of calculation of the finite element simulation of current and temperature distribution in the scale model of the DC catenary with the data of laboratory tests.
A. V. Paranin, A. B. Batrashov
doaj   +1 more source

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