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Topic Review
Over-the-Top Platforms’ Usability
OTT (over-the-top) streaming is a subscription-based video service model that delivers video-on-demand content, films, and series directly to end-users over the Internet, bypassing the need for traditional satellite receiver systems. The most popular OTT service providers include Netflix, Hulu, Amazon Prime, and Disney+. During the COVID-19 pandemic, the viewership rates and subscriber numbers for OTT platforms rapidly increased. Like various other products and systems, usability problems can substantially impact user satisfaction, loyalty, and the intention to continue using OTT services. Therefore, this study aimed to conceptualize the usability of OTT platforms and develop an OTT Usability Measurement Scale for the usability evaluation of OTT platforms based on the Apple tvOS Guidelines and the literature. OTT platform usability was conceptualized with nine constructs, including Accessibility and Customization, Account Management, Data Entry and Search, Branding, Privacy, Navigation, Help, Content, and Design, and the concepts were measured with a scale including 48 items. The validity of the developed scale was tested through two separate survey studies conducted with Netflix web application users.
  • 217
  • 25 Dec 2023
Topic Review
MoS2 Nanomaterials as Lubricant Additives
Improving the lubricating properties of base oils through additives is a crucial objective of tribological research, as it helps to reduce friction and wear of materials. Molybdenum disulfide (MoS2) is a 2D nanomaterial with excellent tribological properties that is often used as a lubricant additive. Several studies have been conducted on the preparation and utilization of MoS2 and its nanocomposites as lubricant additives. 
  • 298
  • 25 Dec 2023
Topic Review
Domain Adaptation in Computer and Robotic Vision
Domain adaptation methods play a pivotal role in facilitating seamless knowledge transfer and enhancing the generalization capabilities of computer and robotic vision systems. Domain adaptation techniques play a pivotal role in addressing the domain shift problem encountered in computer and robotic vision. These methods are designed to improve the generalization skills of vision models, enabling them to function well in situations outside the scope of their training data. 
  • 163
  • 25 Dec 2023
Topic Review
Green Building Standards and Sustainability in Iran
The concept of green buildings (GBs) is a recent response to addressing the problems that stem from the building sector. The World Green Building Council (WGBC) defines a green building as “a building that reduces or eliminates negative impacts, in its design, construction or operation and can have positive impacts on the climate and natural environment”. Green buildings use environmentally friendly materials and ensure the optimal use of natural resources, such as water and energy, and minimum waste production. Researchers have analyzed various aspects of GBs, such as technological innovation, energy savings, risk management, influencing factors for development, policy incentives and regulations, and economic benefits.
  • 370
  • 22 Dec 2023
Topic Review
Paint Atomization and Paint Film Formation
The special surface appearance of complex surfaces restricts the coating film quality of spraying. The study of the atomization and film formation characteristics of typical complex surfaces, as well as the spraying mechanism, is essential for planning the spraying robotic trajectory and improving the spraying efficiency. Modeling and characteristics of the atomization and film formation process, based on CFD numerical simulations in previous studies, are systematically reviewed, focusing especially on airless spraying. In addition, the advantages and disadvantages of the existing research from the perspective of numerical models and methods are discussed. Finally, a further research direction for spraying on complex surface is prospected. Overall, a comprehensive and up-to-date review of spray atomization and film formation characteristics is considered valuable to practitioners and researchers in these fields, and will facilitate the further application of robotic spraying in the mechanical, automotive, marine, aerospace, petrochemical and other industries.
  • 219
  • 22 Dec 2023
Topic Review
Mitigating Risks in Coal Mining
Insufficient stability of the top plate at the corner of an easily combustible coal seam comprehensive mining face may lead to a natural fire within the goaf. While corner sealing is crucial for minimizing air leakage, current sealing methods struggle to effectively prevent such leakage. Additionally, the distribution characteristics of the oxidation zone in the goaf after sealing are unclear, making it difficult to control the extent of the oxidation zone.
  • 198
  • 22 Dec 2023
Topic Review
Hydrogen Production from Bio-Alcohols
Energy and environmental issues are of great importance in the present era. The transition to renewable energy sources necessitates technological, political, and behavioral transformations. Hydrogen is a promising solution, and many countries are investing in the hydrogen economy. The incorporation of hydrogen for efficient energy transport and storage and its integration into the transport sector are crucial measures. However, to fully develop a hydrogen-based economy, the sustainability and safety of hydrogen in all its applications must be ensured. 
  • 163
  • 22 Dec 2023
Topic Review
Door-Opening Drones
Doorknob accessories, wheelchair-mounted door-opening accessories, door-opening robots, and door-opening drones—were used to group the various technologies for manually opening doors. Drones are unmanned aerial vehicles (UAVs) with a wide range of applications, including product delivery, asset inspection, search and rescue, law enforcement and military services, disaster management, and emergency medical services. Drones are emerging as safe alternatives to humans in applications involving inaccessible environments or dangerous scenarios. In cases of medical emergencies, when a person is stuck in remote locations and an ambulance is unable to reach a patient in time, medical drones are being used for emergency medical services. Door-opening drones are unmanned aerial vehicles (UAVs) equipped with the capability to open doors.
  • 315
  • 22 Dec 2023
Topic Review
Pervious Concrete Mixes and Impact on Natural Fibers
Pervious concrete (PC), also known as porous or permeable concrete, is a structural type of concrete that possesses a relatively large void content ranging between 15 and 35%, which allows fluids and gases to pass through them, thus eliminating ponding potential on the surface.
  • 262
  • 22 Dec 2023
Topic Review
Contactless Identification Card Immunity against a Current Pulse
Contactless identification cards based on RFID technology are currently an integral part of many human activities in industry, transport, trade, etc. The most used cards are contactless cards operating at 13.56 MHz, according to the ISO/IEC 14443 standard, and using some version of the NXP Mifare chip.
  • 202
  • 22 Dec 2023
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