Purpose – This study aims to investigate the relationship that exists between the personality traits of workers and their internet usage activities. In addition, the study also tries to investigate the workers demography and their internet usage. Design/methodology/approach – The study used questionnaire-based survey to gather responses from bo

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Background: Recently, world have been stunned by a series of unpleasant event such as earthquakes, tsunami, hurricane and it occurs more frequent. Many people have been affected, loss of human life and properties, and expose inhabitants to the short-term and long-term impact of the disaster. In this situation, nurses play crucial role in managing d

Introduction: As front liners, emergency nurse (EN) plays important roles in handling disaster and it became crucial to equip them with fundamental knowledge on disaster management. With the escalating number of disaster occurrence worldwide, it will assist them in providing emergency care to the affected population thus prepared them to facing dis

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The present paper reviews the recent development of biofuel cell. Due to its renewable nature and milder operating conditions compared to conventional fuel cell, the electrochemical system has been extensively studied. However, major problems associated with this type of electrochemical system remain an intimidating challenge, the utmost being the

A Q-switched distributed Bragg reflector fiber laser using a graphene passive saturable absorber is proposed in a cavity consisting of a fiber Bragg grating and Faraday rotator mirror as end mirrors, together with a highly doped erbium-doped fiber as a gain source. The laser has a Q-switched threshold of about 28 mW and a tunable repetition rate of

A novel S-band multimode Brillouin–Raman random fiber laser based on distributed feedback of Rayleigh scattered light is demonstrated. It relies on a short length, 7.7 km long angle-cleaved dispersion compensating fiber in a mirror-less open cavity. Two 1425 nm laser diodes at a modest operating power amplify a Brillouin pump (BP) signal, which i

In this letter, we demonstrate a single longitudinal mode (SLM) Brillouin fiber laser by using highly nonlinear fiber (HNLF) as the nonlinear medium in which the stimulated Brillouin scattering effect takes place. The first Stokes line is generated at a threshold power of 18 dBm with a wavelength shift 0.08 nm from the Brillouin pump. The signal-to

A fiber based bend sensor using a uniquely designed Bend-Sensitive Erbium Doped Fiber (BSEDF) is proposed and demonstrated. The BSEDF has two core regions, namely an undoped outer region with a diameter of about 9.38 μm encompassing a doped, inner core region with a diameter of 4.00 μm. The doped core region has about 400 ppm of an Er2O3 dopant.