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The frame of the p-adic numbers and a p-adic Version of the Stone-Weierstrass Theorem in Pointfree Topology
(2020-03-15)The algebraic nature of a frame allows its definition by generators and relations. Joyal used this to introduce the frame of the real numbers and Banaschewski studied this frame with a particular emphasis on the pointfree ... -
The future of water in a desert river basin facing climate change and competing demands: A holistic approach to water sustainability in arid and semi-arid regions
(2023-02-09)Study region: The Middle Rio Grande (MRG), defined by the portion of the basin from Elephant Butte Reservoir in New Mexico to the confluence with the Rio Conchos in Far West Texas, U.S.A. and Northern Chihuahua, Mexico. ... -
The Impact of Environmental Factors on Academic Performance of University Students Taking Online Classes during the COVID-19 Pandemic in Mexico
(2020-11-05)The COVID-19 pandemic and the quarantine period determined that university students (human resource) in Mexico had adopted the online class modality, which required them to adapt themselves to new technologies and environmental ... -
The impacts of dumping sites on the marine environment: a system dynamics approach
(2023-04-06)The various forms of anthropogenic pollution of seas and oceans have been extensively studied in recent decades. The most signiicant factors are the destructive environmental impacts of marine dumping sites. These sites ... -
The importance of access to information and knowledge coordination on quality and economic benefits obtained from Six Sigma
(2019-11-04)This paper presents a structural equation model that relates knowledge coordination with access to information in the process of implementing Six Sigma and their impact on the quality and economic benefits obtained. The ... -
The importance of additive technology and manufacturing processes for laboratory experiments in aeronautics.
(2023-12-27)In recent years, world manufacturers of aviation equipment have made significant progress in the use of high efficiency (in terms of economic and time parameters) Additive Technology and Manufacturing processes. In ... -
The Piezoresponse in WO3 Thin Films Due to N2-Filled Nanovoids Enrichment by Atom Probe Tomography
(2023-02-07)Tungsten trioxide (WO3) is a versatile n-type semiconductor with outstanding chromogenic properties highly used to fabricate sensors and electrochromic devices. We present a comprehensive experimental study related to ... -
The relations between the multipole moments in axistationary electrovacuum spacetimes and the N-soliton solution
(2022-01-27)A general formulation of the relativistic multipole moments in axistationary electrovac spacetimes is introduced in a closed analytical form. We give a complete description of how the Ernst potentials on the symmetry axis ... -
The Relationship Between the Burnout Syndrome Dimensions and Body Mass Index as a Moderator Variable on Obese Managers in the Mexican Maquiladora Industry
(2021-02-04)Burnout syndrome (BS) and obesity are two growing conditions that affect employees’ health and company productivity. Recently, several studies have pointed to a possible relationship between both phenomena. However, such ... -
The Role of Advanced Manufacturing Technologies in Production Process Performance: A Causal Model
(2019-09-07)Advanced manufacturing technologies (AMT) require considerable investments that managers often avoid, which makes it difficult to link their production operations with the benefits reported in literature review. The present ... -
The Role of Employees’ Performance and External Knowledge Transfer on the Supply Chain Flexibility
(2019-03-01)In this article structural equation models are reported, which relate four latent variables associated with employee performance, knowledge transfer, and supply chain flexibility, which incorporate 17 observed variables. ... -
The Role of Green Attributes in Production Processes as Well as Their Impact on Operational, Commercial, and Economic Benefits
(2019-03-01)This paper reports a second-order structural equation model composed of four variables: the green attributes before and after an industrial production process, the operating benefits, the commercial benefits, and the ... -
The Role of ICT in the Supply Chain of Ciudad Juarez Industrial Sector
(2018-09-10)Procurement and inventory represent two of the most important stages that integrate the supply chain (SC), if there is a mistake or problem in one of them, it can lead to total failure of the chain, therefore, generate ... -
The Role of Managerial Commitment and TPM Implementation Strategies in Productivity Benefits
(2018-07-16)The present research proposes a structural equation model to integrate four latent variables: managerial commitment, preventive maintenance, total productive maintenance, and productivity benefits. In addition, these variables ... -
The Role of Planning and Implementation of ICT in Operational Benefits
(2018-06-30)This article reports a model of structural equations that integrates four latent variables and six hypotheses among them: Integration of information and communication technology (ICT), investment in ICT, training in ICT, ... -
The Squirrel-Cage Induction Motor Model and Its Parameter Identification Via Steady and Dynamic Tests
(2018-04-20)One of the most important bases for designing robust closed-loop controllers applied to induction motor with high performance is establishing its mathematical model and state observers, as well as the parameter identification ... -
The ST component in the Si 2p photoemission spectrum from H-terminated and oxidized Si (001) surfaces
(2023-05-30)One doublet is usually employed to fit the Si0 substrate species in the Si 2p photoemission spectra from Si (001) H-terminated (after piranha treatment) and oxidized surfaces. However, there is a second substrate-top ... -
The use of cryptocurrencies in the money laundering process
(2019-05-07)This paper aims to analyze the money laundering process itself, how cryptocurrencies have been integrated into this process, and how regulatory and government bodies are responding to this new form of currency. -
The wealth of (Open Data) nations? Open government data, country-level institutions and entrepreneurial activity
(2022-09-06)Lately, Open Data (OD) has been promoted by governments around the world as a resource to accelerate innovation within entrepreneurial ventures . However,it remains unclear to what extent OD drives innovative entrepreneurship. ...