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Topic Review
Biography
Topic Review
3D Printing
Three-dimensional (3D) printing technology holds great potential to fabricate complex constructs in the field of regenerative medicine. Researchers in the surgical fields have used 3D printing techniques and their associated biomaterials for education, training, consultation, organ transplantation, plastic surgery, surgical planning, dentures, and more. In addition, the universal utilization of 3D printing techniques enables researchers to exploit different types of hardware and software in, for example, the surgical fields. To realize the 3D-printed structures to implant them in the body and tissue regeneration, it is important to understand 3D printing technology and its enabling technologies.
1.9K
20 Apr 2021
Topic Review
Sustainable Urban Mobility
Sustainable urban mobility is a term that refers to the use of means of transport that do not affect the environment and an approach to the planning of the development of urban areas with sustainability goals in mind. When creating sustainable urban mobility plans, planners must also have the number of inhabitants in urban areas in mind as well as the need to ensure a satisfactory transportation service for residents located in urban areas. In order to respond to the ever-increasing need to develop sustainable modes of transport, the importance of electric, autonomous, and electric autonomous vehicles is increasingly emphasized. In addition, as trends of growth and development in electric autonomous vehicle technology are increasing, one of the questions that has appeared is whether autonomous electric vehicles represent one of the mechanisms that will be used to increase the sustainability of urban mobility.
1.7K
27 Sep 2022
Topic Review
Gender Disparities in the Urban Public Transport
Gender and public transportation studies are critical for a nation’s social and economic development, particularly in a developing country such as Nigeria. Men and women use public transportation due to their different social roles and economic activities. In other words, good public transportation improves or expands opportunities in health, education, and employment. Consequently, understanding the gender differences in accessibility will be crucial to enhancing existing transport services and helping design more efficient transport policies.
1.7K
02 Jun 2022
Topic Review
Electric Powertrain Architectures in Off-Road Equipment
Though the wave of electric vehicles is transforming the on-road passenger and commercial vehicle fleets, similar attempts in the off-road equipment sector appear to be lacking. Because of the diverse equipment categories and varied applications, electrifying off-road equipment requires significant research and development.
1.6K
26 Aug 2022
Topic Review
Advantages and Disadvantages of Hydrogen Trains
Hydrogen and electric drives used in various means of transport is a leading topic in many respects.
1.5K
07 Oct 2023
Topic Review
City Car
A city car (also known as urban car or a mini) is a small car designed to be used primarily in urban areas and conurbations. The term is used along with other terms for small cars including subcompact in North America. The Euro NCAP calls all small cars superminis. The European Commission refers to A-segment (Utility/city class: entry level small passenger car). In Japan , the kei car is a specific type of small car. The term microcar is loosely used for very small cars, some of which overlap city car classification.
1.5K
01 Nov 2022
Topic Review
Hybrid Electric Vehicles
According to the Society of Automotive Engineers, a hybrid vehicle can be defined as that vehicle with two or more energy storage systems which must provide power to the propellant system either together or independently. Similarly, the heavy duty hybrid vehicles group indicates that a hybrid vehicle must have at least two energy storage systems and energy converters. In practice, a hybrid electric vehicle (HEV) combines the great autonomy of conventional vehicles with spark ignition engines, compression ignition engines, fuel cells and solar panels with the speed, performance and environmental advantages of electric vehicles, obtaining an automobile with lower fossil fuel consumption and lower pollutant emissions to the atmosphere.
1.5K
10 Aug 2021
Topic Review
Application of RAP in Asphalt Concrete Pavements
The use of recycled asphalt pavement (RAP) materials in asphalt concrete pavements (ACP) brings significant cost and environmental benefits. In practice, however, the amount of RAP readily available far exceeds the amount being utilized in ACPs, which still leaves the problem of excess RAP in the environment partially solved. Additionally, ACPs containing RAP materials (i.e., RAP-ACPs) can still be landfilled after they have reached the end of their useful life, which may restore the original environmental waste problem. To address these, researchers have demonstrated different ways to maximize the application of RAP in ACPs. Among them, the use of RAP in pavement preventive maintenance (PPM) treatments and the repeated recycling of RAP-ACPs (i.e., RnAP) are specifically discussed herein. It is envisaged that, by promoting these two practices, the application and benefits of RAP can be further maximized to improve sustainability.
1.5K
25 Nov 2022
Topic Review
COVID-19 Effect on Supply Chains
The COVID-19 pandemic has generated disruptions in supply chains, traveling, businesses, and a loss of human lives that is being accounted for at least five million diseased. When the pandemic started, uncertainties, the lockdown of countries, and stay-at-home orders generated that millions of people made runs to grocery stores to buy essential products, the most distinctive being hygiene tissue, antibacterial formulations, and hand sanitizers. Then workers in essential processes in the medical, food, and manufacturing industries had to restart work to keep supply chains running. That generated further repercussions due to the infection of workers in multiple facilities, which created more considerable uncertainties. Universities and schools were mandated to close, and work-from-home orders were enacted in most sectors. In this entry, a summary of the essential factors, current situation, and future perspective regarding the effect generated by COVID-19 on the disruptions of supply chains is presented. The strategic sectors summarized are food and produce, transportation, paper products, chemicals and pharmaceuticals, medical supplies, automobiles, minerals and technology companies. At two years since the WHO declaration, there are still shockwaves that show some unpredictability. Hence, companies and governments should look for strategical plans for preparing for this kind of event, making supply chains resilient or even immune to pandemics, natural disasters and trade wars.
1.5K
22 Jan 2022
Topic Review
Human Power Production and Energy-harvesting
The maximal mechanical power produced by man, especially by large groups of people practicing sport or intense physical activity, has been proposed to be used for charge small electronic device or to partially sustain the power requirement of a gym. This practice can help to reduce carbon emissions.
1.5K
28 Sep 2021
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