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    Wyświetlanie 1-5 z 5
    Tytuł:
    Internet of things in Smart Environment: Concept, Applications, Challenges, and Future Directions
    Autorzy:
    Elmustafa, Sayed Ali Ahmed
    Mujtaba, Elbagir Yousef
    Powiązania:
    https://bibliotekanauki.pl/articles/1059415.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Agriculture Control
    Air Pollution
    Chemical Leakage
    IoT
    Monitoring Systems
    Radiation Monitoring
    Smart Environment
    Waste Management
    Water Quality
    Weather Monitoring
    Opis:
    Environmental phenomena have a major impact on our daily lives. These include changes affecting the sources of life such as in the waters and air of our world, which have been degraded in purity. The term ‘smart environment’ is defined as a technology that provides many facilities and solutions for many environmental application issues related to water quality and health, air pollution, weather, radiation monitoring, waste management, natural disaster, and many other environment indicators. Smart environment sensors integrated with ‘Internet of Things’ (IoT) technology can provide a new concept in tracking, sensing and monitoring objects of environment. This can provide potential benefits leading up to the possibility of achieving a green world and a sustainable lifestyle. IoT allows environmental sensors to connect with other systems such smart phones through Bluetooth or Wi-Fi to send enormous amounts of data to the network and can allow us to have a better understanding of our surroundings and find suitable solutions for today environmental problems. In this review article, we will provide a brief conception of environment areas of study based on IoT technology and discuss the justification behind using IoT in the field of environmental studies. Moreover, we will investigate many proposed applications of environmental research based upon IoT.
    Źródło:
    World Scientific News; 2019, 134, 1; 1-51
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nanotechnology in Communication Engineering: Issues, Applications, and Future Possibilities
    Autorzy:
    Elmustafa, S. Ali Ahmed
    Sohal, Harwinder Singh
    Powiązania:
    https://bibliotekanauki.pl/articles/1182754.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Molecular Nano Technology (MNT)
    Molecular communication
    Nano machines
    Nano-communications
    Nanotechnology
    Opis:
    Nanotechnology nowadays became the most amazing studies developed and an active research areas in many fields including civil, chemical engineering, electronics, and medicine, also in materials. In modern sciences, nanotechnology is considered as the next industrial revolution which it may give more possibilities exceed our expectations in many fields. In telecommunication engineering nanotechnology could provide effective solutions for power efficient computing, sensing, memory enlargement, and human machine interaction. Nanotechnology in communication systems also provides ability for manufacturers to produce computer chips and sensors that are considerably smaller, faster, more energy efficient, and cheaper to manufacture than their present-day modules. In this paper an overview of many issues related to nanotechnology in communication systems are discussed, and also paper will provides a brief ideas of the potential application of various nanotechnology developments in the communication systems and the potential for future possibilities researches that may lead to improved communication systems.
    Źródło:
    World Scientific News; 2017, 66; 134-148
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Internet of Things Applications, Challenges and Related Future Technologies
    Autorzy:
    Zeinab, Kamal Aldein Mohammed
    Elmustafa, Sayed Ali Ahmed
    Powiązania:
    https://bibliotekanauki.pl/articles/1178659.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Future Technologies
    IoT Applications
    Smart Cities
    Smart Energy and Grid
    Smart Environment
    Smart Healthcare
    Smart Manufacturing
    Opis:
    Nowadays Internet of Things (IoT) gained a great attention form researchers, since it becomes an important technology that promises a smart human being life, by allowing a communications between objects, machines and every things together with peoples. IoT represents a system which consists a things in the real world, and sensors attached to or combined to these things, connected to the Internet via wired and wireless network structure. The IoT sensors can use various types of connections such as RFID, Wi-Fi, Bluetooth, and ZigBee, in addition to allowing wide area connectivity using many technologies such as GSM, GPRS, 3G, and LTE. IoT-enabled things will share information about the condition of things and the surrounding environment with people, software systems and other machines. by the technology of the IoT , the world will becomes smart in every aspects , since the IoT will provides a means of smart cities , smart healthcare , smart homes and building , in addition to many important applications such as smart energy , grid , transportation , waste management and monitoring . In this paper we review a concept of many IoT applications and future possibilities for new
    Źródło:
    World Scientific News; 2017, 67, 2; 126-148
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Power System Transient Stability Case Study: A Power Sub-Station Plant in Sudan
    Autorzy:
    Abbas, Asma
    Kamal, Ramadan Doud
    Elmustafa, Sayed Ali Ahmed
    Powiązania:
    https://bibliotekanauki.pl/articles/1193487.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Dynamic Stability
    GARRI power stations
    Swing Equation
    Transient Stability
    power angle
    synchronism
    Opis:
    Power system stability is defined by the tendency of the energy system to develop recovery forces equal or greater than the disturbing forces to maintain a stable equilibrium state. In general, power system stability problems are usually divided into two parts, steady state and transient state. An extension of steady-state stability is dynamic stability. Transient stability deals with the effects of large disturbances such as malfunctions, sudden line interruptions, and sudden application or load removal. This research is presents load angle method to transient stability problem for multi-machine system. The ETAP program is used to simulate the above method to study transient stability. A sub-station plant in Khartoum (GARRI) with four generation sections (1, 2 and 4) has been taken as a case study. The simulation result shows that when a single line-ground fault occurs at main busbar and cleared at time t = 0.4 sec the system is stable, in case 2, when the same fault cleared at t = 3 sec the system become unstable.
    Źródło:
    World Scientific News; 2021, 158; 267-284
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation on the structural, optical and topographical behavior of Cadmium oxide polycrystalline thin films using electrochemical depositing method at different times
    Autorzy:
    Abd, Ahmed N.
    Dawood, Mohammed O.
    Hassoni, Majid H.
    Hussein, Ali A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1192094.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Cadmium oxide
    thin film
    optical characteristics of film
    electrochemical depositing method
    Opis:
    The optical and structure properties of Cadmium oxide (CdO) thin film prepared by electrochemical deposition method at different times (15, 30 and 60) min were investigated in this paper. Results of optical Transmission, absorption, reflection spectra, optical conductance, refractive index, extension coefficient, real and imaginary dielectric constants studies are reported. The optical transmittance of the CdO thin film which formed at room temperature was 20% at wavelength ≈350 nm then increases to 60% at wavelength ≈1100 nm for thin film of CdO. The band-gap was also calculated from the equation relating absorption coefficient with the wavelength. The energy band gap changes from 2.3eV (Bulk CdO) to 2.45eV (CdO thin film). The plotted graphs show the optical characteristics of the film which varied with the wavelength and the photon energy. The optical conductance and band-gap indicated that the film is transmitting within the visible range. The dielectric constant and optical conductance of the film initially decreases slowly with increase in photon energy. The extinction coefficient and refractive index of the films also evaluated, which affected with the change in transmittance. The structure of synthesised CdO thin film was analyzed by X-ray diffraction XRD which revealed that the CdO thin film are polycrystalline and have several peaks of cubic face structure. The crystallite size, dislocation density, microstrain and number of dislocations of the thin film were calculated and listed.
    Źródło:
    World Scientific News; 2016, 37; 249-264
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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