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Новости за 05.08.2024

Plos.org 

Study on the dry shrinkage characteristics and size effect of swell-shrink characteristic soil

by Aijun Chen, Xu Zhang, Xiong Shi, Shanshan Zhao, Junhua Chen

Swell-shrink characteristic soils exhibit a high susceptibility to cracking during the drying process, which poses a significant risk of various geological disasters. Among these, the occurrence of drying shrinkage acts as a prerequisite for the cracking phenomenon. Therefore, it is of utmost importance to comprehend the specific characteristics associated with the drying shrinkage mechanism. To investigate the drying shrinkage behavior of swell-shrink characteristic soils... Читать дальше...

Plos.org 

Gender diversity and profit efficiency of microfinance institutions: A Sub-Saharan study

by Tarekegn Tariku Ebissa, Arega Seyoum Asfaw

Irrespective of the promising opportunity to improve profit efficiency by at least 73%, microfinance institutions operating in Sub-Saharan Africa are efficient only for 27%, far below the average value. The conclusion is drawn after analyzing the profit efficiency of the microfinance institutions using the stochastic frontier approach applied to data obtained from 128 microfinance institutions operating in 34 Sub-Saharan African countries. The... Читать дальше...

Plos.org 

A new power G-family of distributions: Properties, estimation, and applications

by Ahmed M. Gemeay, Waleed Hamoud Alharbi, Alaa R. El-Alosey

This article suggests a new method to expand a family of life distributions by adding a parameter to the family, increasing its flexibility. It is called the extended Modi-G family of distributions. We derived the general statistical properties of the proposed family. Different methods of estimation were presented to estimate the parameters for the proposed family, such as maximum likelihood, ordinary least square, weighted least square... Читать дальше...

Plos.org 

Research on coupling coordination between construction industry innovation and region economic development in China

by Yong Xiang, Yonghua Chen, Ailing Wan, Yangyang Su, Renkai Xiong

In numerous developing nations, challenges such as insufficient investment in innovation and limited capabilities for conversion impede the growth of the construction sector, thus affecting the overall economic well-being of these regions. This paper focuses on construction industry innovation (CII) and its correlation with region economic development (RED), providing valuable insights to overcome these challenges and promote sustainable economic advancement. Читать дальше...

Plos.org 

Parental views on their children’s smartphone use during personal and relational activities

by Kateřina Lukavská, Roman Gabrhelík

Given the negative outcomes associated with smartphone use during personal and relational activities (SUPRA), parents strive to regulate its use among their children. However, media parenting recommendations lack knowledge of parental views on SUPRA and their relative occurrence in youths. This study aimed to (i) estimate SUPRA frequency among children and adolescents, (ii) assess parental dislike (PD) of SUPRA, and (iii) identify predictors of PD of SUPRA. Читать дальше...