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Topic Review
Effect of Aggregate on Geopolymer Concrete
The construction industry has become one of the major consumers of renewable and non-renewable natural resources and environment-polluting industries. The development of new green construction materials has become a global need and a driver for recent research trends. The use of geopolymer binders can reduce the consumption of ordinary cement and utilize several wastes that are usually dumped in landfills, causing several environmental issues.
  • 252
  • 08 Jan 2024
Topic Review
Cementitious and Geopolymer Composites with Lithium Slag Incorporation
Lithium slag (LS)’s particle size distribution is comparable to fly ash (FA) and ground granulated blast furnace slag (GGBS), which suggests it can enhance densification and nucleation in concrete. The mechanical treatment of LS promotes early hydration by increasing the solubility of aluminum, lithium, and silicon. LS’s compositional similarity to FA endows it with low-calcium, high-reactivity properties that are suitable for cementitious and geopolymeric applications. Increasing the LS content reduces setting times and flowability while initially enhancing mechanical properties, albeit with diminishing returns beyond a 30% threshold. LS significantly improves chloride ion resistance and impacts drying shrinkage variably. 
  • 272
  • 08 Jan 2024
Topic Review
Distance Estimation Approach for Maritime Traffic Surveillance
Maritime traffic monitoring systems are particularly important in Mediterranean ports, as they provide more comprehensive data collection compared to traditional systems such as the Automatic Identification System (AIS), which is not mandatory for all vessels.
  • 251
  • 05 Jan 2024
Topic Review
Water Nutrient Management in Soilless Plant Cultivation
Under-cover soilless cultivation is an important technique of crop production. Due to the lack of contact with soil and precipitation, the root system of crops grown must be provided with water and all necessary nutrients in the form of a solution (nutrient medium). This nutrient medium needs to be fed in excess to ensure proper plant development and the expected qualitative and quantitative parameters of the crop yield, which means that in the case of, e.g., tomato cultivation, 20–80% of the supplied medium must be removed from the root system and managed. Uncontrolled discharge of this drainage water poses a significant threat to the environment, causing contamination of surface waters and groundwaters. 
  • 330
  • 05 Jan 2024
Topic Review
Learning Compliant Box-in-Box Insertion through Haptic-Based Robotic Teleoperation
In modern logistics, the box-in-box insertion task is representative of a wide range of packaging applications, and automating compliant object insertion is difficult due to challenges in modelling the object deformation during insertion. Using Learning from Demonstration (LfD) paradigms, which are frequently used in robotics to facilitate skill transfer from humans to robots, can be one solution for complex tasks that are difficult to mathematically model. 
  • 225
  • 05 Jan 2024
Topic Review
Methods for Obtaining Titanium and Its Alloys
Titanium and its alloys are widely employed in the aerospace industry, and their use will increase in the future. Titanium is mainly produced by the Kroll method, but this is expensive and energy-intensive. Therefore, the research of efficient and sustainable methods for its production has become relevant. 
  • 301
  • 05 Jan 2024
Topic Review
Digitalization of Construction Projects through Integration
The construction industry has fared poorly in the process of digital transformation, while the main challenge is the digitalization of construction projects. Changes in project management approaches are urgently required in construction organizations to better align digital technology and organizational conditions.
  • 304
  • 05 Jan 2024
Topic Review
Demand-Side Management as a Network Planning Tool
The reliability and security of electric power supply has become pivotal to the proper functioning of modern society. Traditionally, the electric power supply system has been designed with the objective of being able to adequately meet present and future demand, with efforts to maintain supply reliability being focused primarily on the supply side. Over the decades, however, the value of demand-side management—efforts focused on enhancing the efficient and effective use of electricity in support of the power system and customer needs—has been widely acknowledged as being able to play a greater role in ensuring that the key objectives of power system operation are satisfied. 
  • 195
  • 05 Jan 2024
Topic Review
Robot Target Recognition and Grasping Pose Estimation
The deployment of collaborative robots on a large scale in intelligent factories has increased with the convenience of human–robot collaboration to replace manual labor in undertaking 3C (Computer, Communication, and Consumer Electronics) manufacturing and intelligent handling. As a result, the intelligence, speed, and reliability of these robots have become core factors that impact the productivity and production quality of intelligent factories. Objectively sorting objects is a vital and habitual responsibility in intelligent production lines featuring collaborative robots.
  • 99
  • 04 Jan 2024
Topic Review
Micromobility in Urban Transportation
Micromobility is a novel approach to urban transportation that provides options for short-distance travel, such as first- and last-kilometer trips. Its primary attraction is the provision of an on-demand, affordable, eco-friendly, and adaptable transportation option, reducing reliance on private vehicles for short distances.
  • 201
  • 04 Jan 2024
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