160 research outputs found

    Development of a Formalized Mentorship Program for Newly Licensed Registered Nurses at a Large Community Medical Center

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    Retention, competency, job satisfaction, and lateral violence are issues facing the nursing workforce, especially newly licensed registered nurses (NLRNs). The United States is facing a nursing shortage; therefore it is important to develop strategies to retain qualified registered nurses (RNs). The Master of Science in Nursing/Clinical Nurse Leader (MSN/CNL) student team conducted a literature review on how to address these issues. A mentorship program is the proposed intervention to assist novice nurses during their transition into the nursing role. The student team performed a needs assessment through surveys and interviews to gain valuable data on the medical center. The assessment informed recommendations for implementation and evaluation of a mentorship program. Results showed that positive responses for a mentorship program from both staff nurses and nursing leadership. Common themes emerged and assisted in the development of the recommendations for the medical center

    Factores que afectan el ciclo de vida del producto en las empresas electrónicas: evidencia de un país emergente

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    Introduction:This paper is the product of the study “Factors affecting product life cycle in electronic enterprises – Evidence from an emerging country” developed at the Electric Power University and National Economics University between 2020 and 2022. Problem:The electronic manufacturing industry is increasingly developing in emerging markets and integrating into the global economy. The life cycle of electronic products is shorter and requires management.Objective:The paper aims to study factors that affect the product life cycle in Vietnamese electronic enterprises. The study helps managers in cost management. Methodology:The paper used a survey of non-probability sampling, and applied regression analysis to examine Vietnamese electronic enterprises. The analysis is done by SPSS and Smart PLS software. Results:The research results indicate that technology, consumer trends, and R&D are factors affecting product life cycle and post-sale service, and disposal has no impact on electronic products’ life cycle. This could be explained by the fact that electronic products are constantly updating and their life cycle is short, that post-sales service does not play a key role, and that waste treatment after sales is not taken seriously by manufacturers, customers, or other related parties. Conclusion:The results give some meaningful insights for electronics or other enterprises in Vietnam to use effective management of product life cycle. Originality:The results of this paper provide practical insights into the management of product life cycle and cost management of product life cycle for researchers and managers.Limitations:The research model should be expanded and the sample size increased to get an overview and greater insight.Introducción: Este artículo es producto del estudio “Factores que afectan el ciclo de vida del producto en empresas electrónicas – Evidencia de un país emergente” desarrollado en la Electric Power University y la National Economics University entre 2020 y 2022.Problema: La industria de fabricación electrónica se está desarrollando cada vez más en los mercados emer-gentes y se está integrando a la economía global. El ciclo de vida de los productos electrónicos es más corto y requiere gestión. Objetivo: El documento tiene como objetivo estudiar los factores que afectan el ciclo de vida del producto en las empresas electrónicas vietnamitas. El estudio ayuda a los gerentes en la gestión de costos. Metodología: El documento utilizó una encuesta de muestreo no probabilístico y aplicó un análisis de regresión para examinar las empresas electrónicas vietnamitas. El análisis se realiza mediante el software SPSS y Smart PLS. Resultados: Los resultados de la investigación indican que la tecnología, las tendencias de consumo y la I+D son factores que afectan el ciclo de vida del producto y el servicio postventa, y que el desecho no tiene impacto en el ciclo de vida de los productos electrónicos. Esto podría explicarse por el hecho de que los productos electrónicos se actualizan constantemente y su ciclo de vida es corto, que el servicio posventa no juega un papel clave y que el tratamiento de residuos posventa no es tomado en serio por los fabricantes, clientes u otras partes relacionadas. Conclusión: Los resultados brindan algunas ideas significativas para la electrónica u otras empresas en Vietnam para utilizar una gestión eficaz del ciclo de vida del producto. Originalidad: los resultados de este documento brindan información práctica sobre la gestión del ciclo de vida del producto y la gestión de costos del ciclo de vida del producto para investigadores y gerentes.Limitaciones: el modelo de investigación debe ampliarse y aumentar el tamaño de la muestra para obtener una visión general y una mayor comprensión

    Prevalence of Accidents and Injuries and Related Factors of Fishermen Fishing Offshore in the North of Vietnam

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    Introduction: Seafaring, particularly offshore fishing, exposes fishermen to various occupational risks leading to diseases and injuries. This study aimed to determine the prevalence of occupational risks, injury accidents, and contributing factors among offshore fishers in North Vietnam, to develop evidence-based recommendations to enhance their safety and well-being. Methods: A cross-sectional study was conducted involving 420 fishermen with a minimum of two years of experience. Interviews were conducted between 2018 and 2020. Results: The findings indicated that there is a 41.7% prevalence of accidents and an average injury rate of 280.2 per person per year. Most incidents occurred at night with 104 cases (59.4%), slips and falls 48 cases (27.4%), broken winch lines 40 cases (22.9%), and ship collisions 14 cases (8.0%) being the primary causes. The most common injuries included soft wounds in 92 cases (52.5%) and sprains/dislocations in 14 cases (8.0%). Fishermen with fewer than 10 years of experience exhibited a higher accident risk (odds ratio = 1.54; 95% confidence interval: 1.05-2.72), as did those in the role of a fisherman (odds ratio: 1.68; CI: 0.97-2.94) and those working without labor protection (odds ratio: 3.68; CI: 1.05-12.93). Conclusion: Lack of labor protection equipment increased the risk by 3.68 times, and fishermen in the friend group had a 2.02 times higher risk of injury. Addressing these risks requires adherence to labor protection regulations and safe working procedures

    Application of Kalman Filter and Breeding Ensemble Technique to Forecast the Tropical Cyclone Activity

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    Tropical cyclone (TC) is one of the major meteorology disasters, as they lead to deaths, destroy the infrastructure and the environment. Therefore, how to improve the predictability of TC’s activities, such as formation, track, and intensity, is very important and is considered an important task for current operational predicting TC centers in many countries. However, predicting TC’s activities has remained a big challenge for meteorologists due to our incomplete understanding of the multiscale interaction of TCs with the ambient environment and the limitation of numerical weather forecast tools. Hence, this chapter will exhibit some techniques to improve the ability to predict the formation and track of TCs using an ensemble prediction system. Particularly, the Local Ensemble Transform Kalman Filter (LETKF) scheme and its implementation in the WRF Model, as well as the Vortex tracking method that has been applied for the forecast of TCs formation, will be presented in subSection 1. Application of Breeding Ensemble to Tropical Cyclone Track Forecasts using the Regional Atmospheric Modeling System (RAMS) model will be introduced in subSection 2

    A new species of the paper wasp genus Ropalidia Guérin-Méneville, plebeja group (Hymenoptera, Vespidae, Polistinae), from Vietnam

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    A new species, Ropalidia daklak Bui, Mai & Nguyen, sp. nov., belonging to the plebeja-group of the genus Ropalidia Guérin-Méneville, 1831 is described and figured based on females and males from Vietnam. The nest structure of the new species is described, and an updated key is provided to all known species of the group

    ĐÁNH GIÁ THỰC TRẠNG CANH TÁC DỪA TẠI ĐẢO PHÚ QUỐC, TỈNH KIÊN GIANG

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    Coconut trees (Cocos nucifera L.)  are a popular crop on more than 30,000 islands around the world, with many uses and livelihood values for farmers. The study was conducted to evaluate the current status of coconut farming on Phu Quoc Island by interviewing farmer households. The results showed that coconut trees were planted in Cua Duong and Cua Can communes with growing areas ranging from 0.2 to 0.8 hectares per household, mainly in the form of specialised cultivation with two popular coconut varieties which were oil coconut and drinking coconut. Coconut oil varieties ranged in age from 1 to 15 years, flowering time from 4.0 to 5.0 years after planting, and yield from 40 to 60 fruits per tree per year. Drinking coconut varieties were less than 10 years old; flowering time was from 3.0 to 4.0 years after planting; and yielding was from 50 to 100 fruits per tree per year. The form of fruit sales on Phu Quoc Island was mainly drinking coconuts purchased, with harvests ranging from 10 to 15 times per year. The investment cost for coconut gardens of households the business period mainly under 10 millions VND and average incomes under 20 millions VND per hectare per year, respectively.Cây dừa (Cocos nucifera L.) là cây trồng quan trọng ở các vùng biển đảo, được trồng phổ biến ở hơn 30.000 hòn đảo trên thế giới với nhiều giá trị sử dụng và là sinh kế của người nông dân. Nghiên cứu được thực hiện nhằm đánh giá thực trạng canh tác dừa tại đảo Phú Quốc, tỉnh Kiên Giang bằng phương pháp thu thập số liệu thứ cấp và phỏng vấn nông hộ. Kết quả cho thấy, cây dừa được trồng tập trung tại xã Cửa Dương và xã Cửa Cạn với diện tích từ 0,2 đến 0,8 ha/hộ, chủ yếu là hình thức chuyên canh với hai nhóm giống dừa phổ biến là lấy dầu và uống nước. Giống dừa lấy dầu có độ tuổi từ 1 đến 15 năm, thời gian ra hoa từ 4,0 đến 5,0 năm sau trồng và năng suất từ 40 đến 60 quả/cây/năm. Giống dừa uống nước có độ tuổi dưới 10 năm, thời gian ra hoa từ 3,0 đến 4,0 năm sau trồng và năng suất từ 50 đến 100 quả/cây/năm. Hình thức bán quả dừa tại đảo Phú Quốc chủ yếu là uống nước với số lần thu hoạch từ 10 đến 15 lần/năm. Chi phí chăm sóc vườn dừa trong thời kỳ kinh doanh chủ yếu dưới 10 triệu đồng/ha/năm với lợi nhuận đa số dưới 20 triệu đồng/ha/năm

    THỰC TRẠNG CANH TÁC DỪA TẠI TỈNH BẾN TRE, VIỆT NAM

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    Coconut is an important cash crop in Ben Tre Province, Vietnam, which has a lot of value. This study aimed to determine the current status of coconut cultivation in Ben Tre province through secondary data collected from the Ben Tre Provincal Statistical Office as well as primary data provided by 150 farmers in five coconut cultivated districts consisting of Chau Thanh, Giong Trom, Ba Tri, Thanh Phu, and Binh Dai via participatory interview method. The results showed that coconut planting and harvesting areas in Ben Tre province have been a significant increase over the period from 2012 to 2022, with production increasing by 1.6 times, reaching 686,279 tonnes in 2022. The predominant coconut cultivated method was specialised farming, with most households using tall coconut varieties. Planting density ranged from 160 to 240 trees per hectare. Flowering of the coconut plants was within 3 to 6 years of planting. Fertilization application was 4 to 6 times year-1 during the business period. Besides, insect pests and diseases on the coconut plants had been controlled by pesticides with 3 to 6 times per year. Coconut fruit yields were depended on variety and cultivation techniques, averaging 80 to 100 fruits tree-1 year-1 and 40 to 80 fruits tree-1 year-1 for dwarf and tall coconuts, respectively. The investment cost for coconut gardens ranged from 10 to 30 million VND hectare-1 year-1, with average incomes of 30 to 100 million VND hectare-1 year-1, yielding profits of 30 to 60 million VND hectare-1 year-1.Cây dừa là cây trồng quan trọng của tỉnh Bến Tre có nhiều giá trị sử dụng. Nghiên cứu này nhằm đánh giá thực trạng canh tác dừa tại tỉnh Bến Tre dựa trên số liệu thứ cấp từ Cục Thống kê tỉnh Bến Tre và số liệu sơ cấp thông qua phỏng vấn 150 hộ trồng dừa tại 5 huyện gồm Châu Thành, Giồng Trôm, Ba Tri, Thạnh Phú và Bình Đại. Kết quả cho thấy, diện tích trồng và thu hoạch dừa tại tỉnh Bến Tre có xu hướng tăng mạnh trong 10 năm (2012–2022), sản lượng tăng gấp 1,6 lần và đạt 686.279 tấn vào năm 2022. Hình thức canh tác dừa chủ yếu chuyên canh, phần lớn các hộ sử dụng giống dừa cao, mật độ trồng dao động 160–240 cây/ha, cây dừa bắt đầu ra hoa sau 3–6 năm trồng, số lần bón phân trong thời kỳ kinh doanh là 4–6 lần/năm, quản lý sâu bệnh hại dừa chủ yếu bằng thuốc bảo vệ thực vật với 3–6 lần phun/năm. Năng suất dừa phụ thuộc vào giống và kỹ thuật canh tác, trung bình 80–100 quả/cây/năm đối với dừa lùn và 40–80 quả/cây/năm đối với dừa cao. Chi phí đầu tư cho vườn dừa 10–30 triệu đồng/ha/năm, thu nhập bình quân 30–100 triệu đồng/ha/năm và đem lại lợi nhuận 30–60 triệu đồng/ha/năm

    DESIGN AND ANALYSIS OF COMPACT METAMATERIAL MIMO ANTENNA FOR WLAN APPLICATIONS

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    A compact three-port metamaterial multiple-input-multiple-output (MIMO) antenna using complementary split-ring resonator (CSRR) loaded ground have demonstrated in order to miniaturize the size and improve the antenna performance. The antenna is designed on FR4 material and simulated by HFSS software. By loading CSRRs in the ground plane, the size reduction of 77% of the individual patch antenna element is achieved, which appeared to be the major reason for the obtained the compact MIMO antenna. Furthermore, the simulated results show that the proposed MIMO antenna achieves the total gain higher than 5 dB, the isolation less than -11 dB, the envelope correlation coefficient (ECC) value lower than 0.015, and the bandwidth of 100 MHz through the whole WLAN band from 2.4 GHz to 2.484 GHz, indicating promises for WLAN applications
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