Structural Equation Modeling - Science method

Bài báo nghiên cứu mối quan hệ giữa Vốn tâm lý, Động lực học tập đến Kết quả học tập của sinh viên trường Đại học Sư phạm Kỹ thuật Vĩnh Long. Qua khảo sát 768 sinh viên đại học với phương pháp định lượng (mô hình Cấu trúc tuyến tính - SEM), nghiên cứu cho thấy các tác động cùng chiều của Vốn tâm lý và Động lực học tập đến Kết quả học tập. Sinh viên...

Water jet guided laser micro-machining is a novel processing technique that utilizes the synergistic effect of high- pressure water jets and lasers. To qualitatively and quantitatively investigate and evaluate the sensitivity of ablation depth, material removal rate, taper angle, surface morphology, and elemental composition to processing parame...

This study researched S275JR MS corrosion sites deactivation in [Na3H(CO3)2] heavy deposits (Gamboru, Borno State, Nigeria), using PPQ as alternative inhibitor, and employed WL, HER, EIS, PDP, SEM and computational techniques. PPQ showed effective MS corrosion mitigation in [Na3H(CO3)2] heavy deposits. IE(%) of 98.8, 99.5, 82.9 and 95.9 %, for grav...

The application of inhibitors against metals and alloys corrosion in various aggressive environments is an excellent solution. The present study explored Cu corrosion inhibition in a 0.5 M H2SO4 solution by MP EO, from Western Morocco, using EIS and PDP analyses. GC coupled with MS revealed that MP EO is mainly composed of pulegone (23.38%), isomen...

The utilization of iron-based/ZSM-5 bifunctional catalysts for converting syngas to aromatics (STA) has garnered significant interest because of its cost-effectiveness. This study aims to elucidate the regulatory mechanism of zeolitic pore structure on the performance of the bifunctional catalyst in STA reaction. The relationship among the mesoporo...

The effective inhibition of MS corrosion in H2SO4 by CP and CP + KI was assessed by EIS. SM of MS was studied using SEM and AFM. The rise in Rct and decrease in Cdl, with higher C of CP and CP + KI, confirmed MS CI. IE(%) increased with higher C of CP only and CP + KI (from 10-3 to 10-1 M). CP maximum IE(%) was 93.9%, at 10-1 M. CP + KI, due to I-i...

The purpose of this study is to examine the relationships of master production scheduling (MPS), total quality management (TQM), blood production (BP) and blood transfusion sustainability in the blood bank sector of Uganda. This study considers MPS as an independent variable and examines its relationship with BTS through TQM and BP. Based on the dy...

ATK was investigated to ascertain its IE(%) on ASTM A36 MS corrosion in a HCl medium. This was possible through the use of WL, Td, Tm, PDP, EIS and SEM techniques. It was seen from all experimental results that, through adsorption onto the MS surface, ATK mitigated active corrosion sites. CR was seen to decrease with higher inhibitor Ct from 197.6...

CALL FOR PAPERS: We present this special issue of the journal Electronic Research Archive (JCR Q1) and invite you all to participate with your contributions to using PLS-SEM. http://www.aimspress.com/era/article/6440/special-articles Deductive and inductive research methods, based respectively on pure reasoning and experimentation, have allowed t...

Abstrak Latar Belakang: Berdasarkan data DISKOPUMKM tahun 2022 penyumbang terbanyak UMKM di Provinsi Jawa Timur adalah Kabupaten Jember. Namun disisi lain perkembangan UMKM di Kabupaten Jember menimbulkan permasalahan yakni dampak dari limbah kegiatan UMKM. Pelaku UMKM di Kabupaten Jember belum sepenuhnya menyadari bahwa memperhatikan lingkungan se...

The manufacturing of copper oxide (CuO) nanoparticles has been accomplished utilizing a green technique that relies on biologically reliable mechanisms. Aqueous solutions of copper nitrate and Ixora Coccinea leaf extract are used in an environmentally safe process for creating CuO nanoparticles. The characterization of the synthesized CuO nanoparti...

Поскольку участие женщин в космических полетах становится все более регулярным, становится актуальным изучение женского здоровья под влиянием факторов космического полета. Исследование изменений характеристик Н-рефлекса мышц голени позволит дать качественную и количественную оценку рефлекторной активности спинальных мотонейронов у женщин в условиях...

Since the S-Se combination as electrodes in batteries, hybrid composites for lithium sulfur-selenium (LiS-Se) batteries have attracted substantial attention. In this work, we have synthesized MoSSe-multilayered graphene (MLG) (with two different ratios of S: Se precursor) by solvothermal method followed by the calcination of trapped organic solvent...

In this work, we synthesized doped iron oxides such as Co-doped iron oxides using the glycine-assisted solution combustion synthesis method. Powder X-ray Diffraction (PXRD) and Energy Dispersive Spectroscopy (EDS) are used to understand the phase composition of the synthesized doped iron oxide samples. Likewise, the Scanning Electron Microscope (SE...

This study identifies that the underlying root cause of construction disputes is contract incompleteness caused by bounded rationality and uncertainty. Using the relative importance index (RII) and confirmatory factor analysis(CFA) from SEM AMOS, this study examines the occurrence likelihood and significant effect on dispute occurrence in the contr...

This paper presents the frequency domain formulation of the Green’s Functions Stiffness Method (GFSM) for plane Euler–Bernoulli frames subjected to arbitrary external loads (forces and bending moments). The GFSM is a generalization of the Stiffness Method (SM) or the Finite Element Method (FEM) that computes the closed-form analytical structural re...

Cement-based grouts are described as a liquid mixture with higher flowability that contains cement, additives, water, and a superplasticizer. Cement-based grouts can be utilized to fill minor voids and gaps in addition to repairing cracks in earthen structures to restore structural continuity. In most cases, structural grouting is used in conjuncti...

Currently, pilot fatigue is considered to be a significant factor that affects aviation safety. In order to investigate the impact of fatigue on flight safety, we design a questionnaire to conduct a survey on the pilots of Shandong Airline, process and analyze the data through the SPSSAU data analysis platform, and construct a structural equation b...

Students’ unsafe behavior is the main factor related to accidents in university laboratories. The safety climate is an important factor that affects individual safety behavior on the organizational level. Therefore, to improve the effect of university laboratory safety management, based on the theoretical framework of AMO and the SEM method, the in...

Background: Stunting is a nutritional condition of children with a Height for Age Z-score (HAZ score) under -2. The percentage of stunting in Indonesia in 2018 for children under five years of age was 30.80%, which has consistently increased since 2000. Glagah is a subdistrict in Lamongan Regency, which includes the national priority of the stuntin...

This study aims to test and analyze the effect of competence, due professional care, integrity, and auditor independence on audit quality with the implementation of quality assurance as a moderating variable. The study population was functional auditors and executors of examiners assigned to assist in conducting audits at the Regional Office of the...

When the trainings are effective, Return on Investment (ROI) in training becomes visible in the organization. To identify the effectiveness of training in the commercial banks of Bangladesh, this study explores the role of trainer quality as a predictor of self-efficacy, motivation to transfer, authentic leadership, and training system effectivenes...

To study the mechanical properties of highly filled hydroxy-terminated polybutadiene (HTPB) propellant with 90 wt% solid fillers, the stress–strain curves of the propellant under different temperatures (−50 to 70 °C) and strain rates (0.000476 to 0.119048 s−1) were obtained by uniaxial tensile test. Moreover, to obtain the glass transition temperat...

To develop materials suitable for aerospace applications, silicon nitride/boron nitride (Si3N4/BN) fibrous monolithic ceramics with varying BN contents were prepared. Employing analytical techniques such as XRD and SEM, coupled with mechanical testing equipment, the influence of BN concentration on the thermal shock resistance of Si3N4/BN fibrous m...

Four types of classical tannin-based foam samples were prepared via different methods in the current study with an attempt to find out the impact of each one on the physico-mechanical properties. The results of performed tests showed similarity to the general trend of related research, with typical negative relation between the foam density and mec...

This meta-analysis examined whether motivation mediated the relationship between self-efficacy, locus of control, and academic achievement. Thirty-seven studies providing correlation estimates for 40 different samples were included in the analysis. The data from these studies were fitted to three models using a two-stage structural equation modelli...

Crveni mulj predstavlja nusproizvod koji nastaje Bayerovim procesom ekstrakcije aluminija iz boksitne rude. Jedna od dvije deponije crvenog mulja u Bosni i Hercegovini je situirana u blizini naselja Dobro Selo, 9.5 km jugozapadno od Mostara, u koju je odloženo 4 160 000 tona crvenog mulja. Instrumentalnim laboratorijskim analizama (XRF, XRD i SEM)...

WC-based cemented carbides were prepared by spark plasma sintering (SPS) of WC-Co-Cr3C2-VC alloy powder by adding different contents of graphene. The phase composition, microstructure, mechanical properties, and magnetic properties of cemented carbide were investigated by means of XRD, SEM, Vickers hardness and fracture toughness tests, and magneti...

The effects of different microwave energy densities (0, 60, 80, and 100 kWh/m³) on the gas permeability of sapwood and heartwood of radiata pine in the longitudinal, radial, and tangential directions were investigated. The multi-scale pore size distribution was systematically analyzed with various analytical methods. High intensity microwave (HIMW)...

The study aims to probe the roles of learning desire and persistence in influencing Gen Z learners' continuance intention of using YouTube for learning in digital learning context. Building upon prior research, a research framework with 10 hypotheses was proposed and empirically tested by using Partial Least Squares Structure Equation Modelling (PL...

An earlier study has shown that chlorine solutions were capable of effectively regenerating an ammonium-loaded zeolite column; however, the chlorine concentrations were high (1000 mg Cl2/L), and for two hours of the regeneration cycle, the pH was approximately 3. This led to concerns regarding the long-term durability of the zeolite. The objective...

An involuntary international experiment in which the entire student population was switched to digital remote learning due to the measures to stop COVID-19 put the paradigm of "anytime, anywhere learning" to the test. Online survey responses were obtained from 281 preservice primary and subject teachers. Using Structural Equation Modelling, connect...

A comparative study of anticorrosive inhibited polymer films on the tungsten surface formed from an aqueous solution of inhibited formulations (INFOR) containing organosilane and corrosion inhibitors was carried out by means of the prolonged exposure of a tungsten product in a modifying solution and by the method of cataphoretic deposition (CPD). D...

This study investigates the wear and corrosion performance of AlSi10Mg alloy produced through casting and laser powder bed fusion (LPBF), followed by direct aging (DA) treatment at 180 °C for 6 h. Further, metallurgical characteristics and hardness performance were analyzed to assess the impact of DA heat treatment and to correlate the microstructu...

Cu2NiSnS4 (CNTS) as a promising quaternary semiconductor suitable for absorber layer in thin film solar cells because of their non toxic compositions and ingredients elements are earth abundant. Here, we have successfully deposited CNTS thin films onto glass substrates by the Spray Sandwich method. These thin films were only obtained at 300 °C with...

In this study, Indocalamus micro/nanofibers (IMFs) were extracted from natural Indocalamus leaves by physical processing and alkaline treatment. IMFs reinforced epoxy resin (EP) and their carbon-fiber composites (IMFs/CFRP) were fabricated. The effects of IMF on the mechanical properties of the EP and CFRP composites were studied. Infrared spectros...

In this article, we propose a simple photochemical method to synthesize pure La2Ti2O7 films and La2Ti2O7 films doped with silver at 1.0, 3.0, and 5.0 mol%. After annealing the photo-deposited films at 900 °C, XRD, SEM, and XPS analyses showed the formation of a monoclinic La2Ti2O7 phase and the presence of Ag and AgO in doped samples. Photocatalyti...

A series of electrochemical tests combined with the techniques of scanning electron microscopy (SEM), electron backscatter diffraction (EBSD) and X-ray photoelectron spectroscopy (XPS) were used to study the effect of nitrogen content on the composition, structure and protectiveness of passive films, which were formed on the surfaces of high-nitrog...

In order to study the effect of metakaolin on the water resistance of magnesium phosphate cement mortar, we took four factors as research objects: the setting time, fluidity, compressive strength, and water resistance of magnesium phosphate cement mortar. These were studied after adding equal gradations of metakaolin, and we then carried out SEM mi...

Achieving a hermetic seal for the repair material is known to be associated with good marginal adaptation to the root dentin wall. This study aimed to compare the marginal adaptation of Biodentine produced in different areas of application, namely the furcation and retrograde cavity, using a scanning electron microscopy (SEM) analysis. Twenty perma...

This paper presents the formation of magnesium aluminate spinel using composite particles prepared via electro-static adsorption (ESA). Scanning electron microscopy (SEM) images confirmed the presence of Al 2 O 3 −MgO composite particles. A mixture of Al 2 O 3 and MgO raw materials was also prepared by using the conventional bead-milling method for...

This study explores the significance of students’ aspirations as motivation and expectations in adopting e-learning, considering the influence of cultural values. The research utilizes a theoretical framework that integrates the Technological Acceptance Model, the Unified Theory of Acceptance and Use of Technology, and the DeLone and McLean Informa...

The optimal process parameters of ultrasonic-assisted processing were studied to further improve the molding quality and mechanical properties of Ni60/WC-TiO2+La2O3 composite coating. A single-factor experiment was used to explore the influences of ultrasonic vibration frequencies on Ni60/WC-TiO2+La2O3 composite coating. The microstructure, element...

The current study aimed at investigating the two sources of construct-relevant psychometric multidimensionality of the Nomophobia Questionnaire (NMP-Q), applying the newly developed bifactor exploratory structural equation modeling (B-ESEM) approach. We first contrasted several CFA and ESEM models to test the psychometric multidimensionality due to...

The susceptibility of magnesium alloys to corrosion has largely hindered the wide application of magnesium alloys. a natural green non-polluting method was proposed in this study to successfully prepare a corrosion-resistant film layer with MgO as the main substance on the magnesium alloy substrate by a two-step water steam method followed by annea...

Cation-disordered rock salt (DRX) cathodes exhibit high specific capacity due to the simultaneous use of anionic and cationic redox reactions. However, DRX systems face severe challenges that limit their practical applications; a most important challenge is their poor rate performance. In this work, the structure and morphology of Li1.17Ti0.58Ni0.2...

This study aims to analyze and prove green brand innovative impact on brand loyalty of Indonesian consumers for the Body Shop product, it also tested the moderating effect of green perceived value on its relation. In the sampling technique, this study used convenience sampling with online method questionnaire distribution. Recorded as many as 111 u...

NaBi(MoO4)2 mesoporous material was prepared by a simple solvothermal method. Co3O4 and CuO doped NaBi(MoO4)2 composites were prepared by sintering NaBi(MoO4)2 nanoparticles covered with the corresponding nitrate. The NaBi(MoO4)2 and the composites were characterized by XRD, SEM, TEM and nitrogen adsorption–desorption analysis. The results show tha...

INTRODUÇÃO: A condição pós-COVID-19 afeta diversos sistemas do nossocorpo,principalmente o sistema respiratório, sendo a fadiga e dispneia dois dos sintomas mais comuns. Essacondição costuma ter um impacto negativo na capacidade funcional de exercício (CFE) dosindivíduos afetados, o que justifica a utilização de instrumentos de avaliação de perform...

In a dynamic world, understanding the indirect impacts of green strategies on a company's sustainable performance through corporate social responsibility and green innovation is essential for the environmental management of the workplace. This paper proposes a conceptual SEM model for examining the mediating role of corporate social responsibility...

El objetivo de este trabajo es obtener patrones de imágenes de cuero vacuno con pelo y depilado que permitan observar su estructura mediante técnicas histológicas, con la contribución fundamental de una lupa binocular, un microscopio óptico y un microscopio de barrido (SEM). Como resultado, se espera ampliar el conocimiento y la comprensión de la e...

Accurate characterization of Pt-Pd alloy nanoparticle clusters (NCs) is crucial for understanding their synthesis using Gas-Diffusion Electrocrystallization (GDEx). In this study, we propose a comprehensive approach that integrates conventional sizing techniques—scanning electron microscopy (SEM) and dynamic light scattering (DLS)—with innovative s...

Despite the recent advancements in ionic liquids, incorporating these liquids into solid networks, particularly ionogels, to achieve new properties such as improved thermal and electrical conductivity and better mechanical and rheological attributes has been challenging. This study reports a novel magnetic ionogel using carbomer as a simple and cos...

The combination of Li-metal anode and high-voltage cathode is regarded as a solution for the next-generation high-energy-density secondary batteries. However, a traditional electrolyte is either incompatible with the Li-metal anode or vulnerable to high voltage. This work reports a 1 M dual-salts Localized-High-Concentration-Electrolyte with Fluoro...

Background/Introduction: Conflict-induced displacement continue to be a pressing public policy concern due to the adverse effects on the well-being of internally displaced persons (IDPs). Understanding the integration process of these individuals, particularly the role of solidarity and social integration in fostering a sense of belonging and impro...

The wear performance of AlSi7Mg0.6 aluminum alloy, a casting aluminum alloy used in positioning devices for catenary systems of high-speed railways which fail frequently on lines where the speed of trains is higher than 300 m/s, is discussed in this study. It was estimated that sliding contact wear occurred and mainly contributed to the failure. To...

The effect of Al and Ti additions on the microstructure and properties of CoNiFe alloys was studied in this paper. The investigations were conducted on four specially designed and produced arc furnace alloys (from 3 to 5 components, with medium to high entropy). Samples in various states were analyzed, i.e., as-cast, after homogenization, after sol...

The widespread use of proton exchange membrane water electrolyzers (PEMWE) is hindered by their high cost, of which a colossal factor is caused by the bipolar plates (BPP). In this paper, we investigate the stability of two BPP materials on-line with an optimized scanning flow cell setup coupled to an inductively coupled plasma mass spectrometer (S...

Digital literacy has emerged as a core competency in the 21st century society, and deep learning and higher-order thinking have been discussed as effective ways to improve digital literacy. Therefore, this study aimed to verify the influence of deep learning and higher-order thinking skills on higher education students’ digital literacy. Structural...

To clarify the effect of Hindered amine light stabilizer (HALS) on ultraviolet (UV) aging behavior of asphalt binder, the evolution history and characteristics of the UV induced micro-structure of modified asphalt were characterized. Scanning Electron Microscope (SEM) and Atomic Force Microscope (AFM) were used to analyze the microscopic morphology...

Citation: AlShamaileh, E.; Altwaiq, A.M.; Al-Mobydeen, A.; Hamadneh, I.; Al-Saqarat, B.S.; Hamaideh, A.; Moosa, I.S. The Corrosion Inhibition of Montmorillonite Nanoclay for Steel in Acidic Solution. Materials 2023, 16, 6291. https://doi. Abstract: The aim of this research is to study the anticorrosive behavior of a coating consisting of modified m...

Citation: Li, M.; Tian, C.-F.; Idrees, M.; Pathak, M.; Xiong, X.-H.; Gao, X.-F.; Wang, X.-R. Pollen Morphology in Sorbus L. (Rosaceae) and Its Taxonomic Implications. Plants 2023, 12, 3318. https://doi.org/10.3390/ plants12183318 Academic Editors: These authors contributed equally to this work. Abstract: The genus Sorbus L. in the Rosaceae family i...

Objectives Sintering parameters influence the properties of zirconia. This study examined the effect of altering sintering temperature and time of monochrome and multilayer 5 mol% yttria-partially stabilized zirconia (5Y-PSZ) on flexural strength. Materials and Methods Three hundred specimens (width × length × thickness = 10 × 20 × 2 mm) were prepa...

Multi-agent reinforcement learning (MARL) algorithms have made promising progress in recent years by leveraging the centralized training and decentralized execution (CTDE) paradigm. However, existing MARL algorithms still suffer from the sample inefficiency problem. In this paper, we propose a simple yet effective approach, called state-based episo...

The microstructure of AS10/xNi hypoeutectic alloys with (x = 0.01% and 0.05%) was investigated using X-ray diffraction (XRD) and scanning electron microscopy (SEM). Localized permanent plastic deformation (Vickers hardness (HV)) was conducted on the samples before and after sintering. After sintering, the results showed a significant improvement in...

The adoption of Social Media Marketing (SMM) is increasingly present in the daily life of companies. However, little is known about this phenomenon in the context of micro and small businesses (MSEs). The research aimed to analyze the SMM adoption process by MSEs, based on a study with 338 entrepreneurs linked to the Brazilian Micro and Small Busin...

Three new Otacilia species were collected from Jiangxi Provinces, China during a survey of the spider fauna of the region: Otacilia anfu Liu, sp. nov. (♂♀), O. guanshan Liu, sp. nov. (♂♀), and O. mingyueshan Liu, sp. nov. (♂♀). All species are described and illustrated with photographs and SEM micrographs, and their distribution is also mapped.