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Effect of mixed alkali ions on the structural and spectroscopic properties of Nd3+ doped silicate glasses
(Elsevier, 2024)
Acceso abierto
In the present work the effect of alkali ions (Li, Na, K) and the combination of them on structural and spectroscopic properties of Nd3+ doped silicate glasses were systematically investigated. Results from infrared and ...
Asymptotic behavior of the Rao–Nakra sandwich beam model with Kelvin–Voigt damping
(SAGE Publications, 2024)
Acceso restringido
The Rao–Nakra sandwich beam is a coupled system consisting of two wave equations for the longitudinal displacements of the top and bottom layers and an Euler–Bernoulli beam equation for the transversal displacement. This ...
Service Model Based on Lean Service and Agile Methodology to Increase the NPS Index in a Company in the Security Sector
(Springer Science and Business Media Deutschland GmbH, 2024)
Acceso restringido
The contractual relationship of a security company is dependent on the subjectivity of the owner of the service and variable to the daily incidents of the service. The NPS helps companies in this sector to quantify the ...
Design and Development of Electronic Devices for Assessing Correct Use of Respirator Masks at Workplaces
(Institute of Electrical and Electronics Engineers Inc., 2024)
Acceso restringido
Silicosis is a type of pneumoconiosis caused by repeated inhalation of silica dust, leading to pulmonary fibrosis and bronchial problems. It is also a progressive and irreversible disease, causing temporary or permanent ...
Improvement Model to Optimize Packing Times in a Peruvian SME Agricultural Export Company Using Cellular Manufacturing, SMED and Standard Work
(Springer Science and Business Media Deutschland GmbH, 2024)
Acceso restringido
The agricultural export business in Peru has grown considerably in recent years, playing a key role in the development of the nation’s economy. To adapt to a growing market, companies must optimize their processes not to ...
Service Model Based on 5s, Kanban and Standardization of Work to Reduce Rate of Non-service in the Retail Sector
(Springer Science and Business Media Deutschland GmbH, 2024)
Acceso restringido
In this study, the relevance of strengthening operations in the Commerce sector is highlighted, since it expands economic opportunities. In addition, within the field of commerce are the retail industries or department ...
Stockout Reduction Using Forecasting Methods, the EOQ Model and a Safety Stock in a Peruvian SME in the Commercial Sector
(Springer Science and Business Media Deutschland GmbH, 2024)
Acceso restringido
Effective inventory management is a constant challenge for SMEs. Stockouts represent a significant obstacle that affects the operability and profitability of these companies. The aim of this study is to develop an affordable ...
Lean Six Sigma and TPM for the Improvement of Equipment Maintenance Process in a Service Sector Company: A Case Study
(Springer Science and Business Media Deutschland GmbH, 2024)
Acceso restringido
Currently, competitiveness within the service industry has reached outstanding levels. In the pursuit of increasing the quality and efficiency of services, the approaches of continuous improvement acquire undeniable ...
Productivity Enhancement by Layout Redesign and Application of Lean Principles in the Apparel Industry
(Springer Science and Business Media Deutschland GmbH, 2024)
Acceso restringido
The growth of the textile-apparel industry has been significantly harmed by the pandemic experienced in 2019. However, this was compounded by previous problems such as the low quality of products, the large amount of waste, ...
Optimization of Dyeing Process of Cotton Fibers in a Peruvian Textile Company
(Springer Science and Business Media Deutschland GmbH, 2024)
Acceso restringido
The textile industry is one of the most polluting industries in the world, due to the significant environmental impact it generates. Therefore, the adoption of measures to optimize its processes is necessary to reduce ...