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Новости за 09.08.2024

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Multi-physical field simulation calculation and analysis of simulated high-level waste liquid spray calcination

Plos.org 
En

by Yanmei CHENG, Kening LI, Xingyun JIA, Guoan YE

Aiming at the independent research and development of a simulated high-level waste liquid spray calcination transformation treatment test device, a three-dimensional multi-physical field model of spray calcination was established by means of finite element analysis method. In this paper, the simulated high-level waste liquid is a mixed solution of nitrate solution and sucrose. The main chemical components of nitrate dissolution are HNO3 and NaNO3. Читать дальше...

The impact of directors’ information technology experience on the financing constraints of internet start-ups—Data mining with python on the China’s New OTC market

Plos.org 
En

by Huiji Xu, Senqiang Wang, Jianping Wang, Xiuyu Liu, Kaoxun Chi

In the era of Internet information technology, the IT background of directors plays a significant role in corporate governance. However, existing research lacks sufficient discussion on the financing constraints faced by Internet startups. This paper examines Internet entrepreneurial enterprises listed on the New Third Board as the research sample. Using content analysis coding methods and Python software for text mining, the... Читать дальше...

Acoustic performance analysis of wooden structure building wall by integrating BIM technology and impedance tube method

Plos.org 
En

by Jia Yin, Xiangren Ai

With the increasing demand for building acoustic performance, accurately evaluating the acoustic performance of building walls has become an important research topic. However, existing research has mostly focused on general building materials such as concrete, iron and steel, and glass. For wooden structure wall, due to the sound absorption performance of the materials themselves and the complexity of structural design, the analysis of their acoustic performance is still relatively weak. Читать дальше...



Re-measurement of agricultural carbon emission rates: Drivers, regional differences and dynamic evolution

Plos.org 
En

by Yan Guo, Min Chen

This research paper introduces a novel approach by combining a Backpropagation (BP) neural network with a non-angular and non-radial directional distance function to construct a BPNN-DDF model. This innovative model evaluates, decomposes, and analyzes China’s agricultural sector’s carbon emission rate across nine key subregions between 2010 and 2021. The key findings of this study are that China’s agricultural carbon emission rate is decreasing, primarily due to technological... Читать дальше...

Fostering inclusive science media: Insights from examining the relationship between women’s identities and their anticipated engagement with Deep Look YouTube science videos

Plos.org 
En

by Jocelyn Steinke, Christine Gilbert, Kelsi Opat, Asheley R. Landrum

As science media content creators strive for inclusivity in communication design and promotion, they must consider the influence of audiences’ identities on their engagement with science media. A gender gap in viewership or "missing audience" has been identified for women viewers for educational science content on digital media; one such example of this is Deep Look, a science video series from KQED public media and PBS Digital Studios distributed on YouTube. Читать дальше...

The effect of final irrigation with different solutions on smear layer removal and dentin erosion: A scanning electron microscope study

Plos.org 
En

by Mohammed AlBatati, Ammar AbuMostafa

Aim

This study aimed to compare the effectiveness of initial irrigation with sodium hypochlorite (NaOCl) and final irrigation with QMix, 40% citric acid, and 17% ethylenediaminetetraacetic acid (EDTA) on smear layer removal and dentin erosion.

Methodology

Forty extracted human mandibular premolar teeth were randomly divided into four groups (n = 10) according to the type of final irrigants used: 17% EDTA, QMix, citric acid, and control (normal saline). Читать дальше...

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Москва

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Unveiling the Enigmatic nature of six neglected Amazonian Leishmania (Viannia) species using the hamster model: Virulence, Histopathology and prospection of LRV1

Plos.org 
En

by Rodrigo Pedro Soares, Igor Campos Fontes, Felipe Dutra-Rêgo, Jeronimo Nunes Rugani, Paulo Otávio L. Moreira, Vânia Lúcia Ribeiro da Matta, Gabriela Venícia Araujo Flores, Carmen Maria Sandoval Pacheco, Andrey José de Andrade, Magda Clara Vieira da Costa-Ribeiro, Jeffrey Jon Shaw, Márcia Dalastra Laurenti

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