Advanced Carbon Materials: Base of 21st Century Scientific Innovations in Chemical, Polymer, Sensing and Energy Engineering

2021 ◽  
Author(s):  
Muhammad Ikram ◽  
Ali Raza ◽  
Khurram Shahzad ◽  
Ali Haider ◽  
Junaid Haider ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Energy Storage ◽  
20Th Century ◽  
21St Century ◽  
Material Science ◽  
Environmental Remediation ◽  
Carbon Allotrope ◽  
And Performance ◽  
Hierarchical Carbon ◽  
Energy Engineering

Advance carbon material that includes graphene, fullerenes, hierarchical carbon, and CNTs are referred to as strength of revolution and advancement in the era of material science and technology. In general, 20th century corresponds to plastic meanwhile 21st century will be named as “Century of Graphene” owing to its exceptional physical properties. Graphene is now well-known and prominent 2D carbon allotrope that is considered as multipurpose material in comparison with any material discovered on earth. One of the interesting properties of graphene is strongest and lightest material that enables it to conduct electricity and heat as compared to any other material. Such features permit it to utilize in numerous applications including biosensors, electronic industry, environmental remediation, drug delivery, energy storage, and production as well. Owing to these capabilities, it can be stated that graphene can be utilized to improve effectiveness and performance of existing substances and materials. In the future, conjugation of graphene with other 2D material will be devolved to produce further remarkable compounds that make it appropriate for an extensive variety of applications. This chapter grants the utilization and applications of advanced carbons materials in chemical, polymer, sensing and energy enegineering.

scholarly journals A Review of Non-Soil Biochar Applications

Materials ◽  
2020 ◽  
Vol 13 (2) ◽  
pp. 261 ◽  
Author(s):  
Mattia Bartoli ◽  
Mauro Giorcelli ◽  
Pravin Jagdale ◽  
Massimo Rovere ◽  
Alberto Tagliaferro
Keyword(s):  
Energy Storage ◽  
Material Science ◽  
Environmental Remediation ◽  
Soil Amendment ◽  
Value Added ◽  
Thermal Cracking ◽  
Solid Residue ◽  
Free Atmosphere ◽  
General Overview ◽  
Catalyst Production

Biochar is the solid residue that is recovered after the thermal cracking of biomasses in an oxygen-free atmosphere. Biochar has been used for many years as a soil amendment and in general soil applications. Nonetheless, biochar is far more than a mere soil amendment. In this review, we report all the non-soil applications of biochar including environmental remediation, energy storage, composites, and catalyst production. We provide a general overview of the recent uses of biochar in material science, thus presenting this cheap and waste-derived material as a high value-added and carbonaceous source.

“Band Wagon and Gravy Train”: uses and abuses along the Silk Road

Afghanistan ◽  
2019 ◽  
Vol 2 (2) ◽  
pp. 171-194
Author(s):  
Warwick Ball
Keyword(s):  
20Th Century ◽  
21St Century ◽  
Silk Road ◽  
Late 20Th Century ◽  
Ancient Trade ◽  
International Image ◽  
Academic Discussion ◽  
The Silk Road

The Silk Road as an image is a relatively new one for Afghanistan. It appeals to both the pre-Islamic and the perceived Islamic past, thus offering an Islamic balance to previous identities linked to Bamiyan or to the Kushans. It also appeals to a broader and more international image, one that has been taken up by many other countries. This paper traces the rise of the image of the Silk Road and its use as a metaphor for ancient trade to encompass all contacts throughout Eurasia, prehistoric, ancient and modern, but also how the image has been adopted and expanded into many other areas: politics, tourism and academia. It is argued here that the origin and popularity of the term lies in late 20th century (and increasingly 21st century) politics rather than any reality of ancient trade. Its consequent validity as a metaphor in academic discussion is questioned

From the history of manufacturing Romanian nai at the turn of 20–21 centuries

2018 ◽  
pp. 71-74
Author(s):  
A. Drutsé
Keyword(s):  
20Th Century ◽  
Fine Arts ◽  
Research Interest ◽  
Modern World ◽  
Music Theater ◽  
Technical Improvement ◽  
Performance Skills ◽  
Doctoral Candidate ◽  
History Of ◽  
And Performance

The modern world popularity of the nai — a traditional Romanian instrument — has identified interest in writing this article. This problematic constitutes the circle of our research interest as a doctoral candidate, but also as a concert performer, a graduate of the Academy of Music, Theater and Fine Arts. One of the most interesting aspects of the study of nai is its technical improvement since 60s of the 20th century, which led to the acquisition of a number of new, innovative skills and performance skills. In this article we have identified some pages of the modern history of the manufacture of this ancient instrument associated with these processes.

The role of science in the study of and response to space threats

2019 ◽  
Vol 89 (8) ◽  
pp. 777-799
Author(s):  
B. M. Shustov
Keyword(s):  
Comparative Analysis ◽  
20Th Century ◽  
21St Century ◽  
Space Debris ◽  
The Sun ◽  
National Program ◽  
Biological Hazard ◽  
Academy Of Sciences ◽  
Space Activities

During the second half of the 20th century and the beginning of the 21st century, space hazards multiplied, the most urgent of which is space debris. Professionals working in space are exposed to this hazard daily and are aware of it as a problem. Furthermore, increasing attention is being paid to the unpredictable behavior of the Sun, which produces the so-called space weather. The asteroid-comet hazard is considered as potentially having the most catastrophic consequences. No manifestations of biological hazard have yet been observed, although as space activities develop, it is becoming increasingly important. The appropriate time scale for astrophysical hazards is many millions of years, so from a practical perspective, they have no importance. This article briefly describes the main types of space hazards. The author analyzes the results of research and practical work in the field, both worldwide and specifically in Russia. Comparative analysis leads to the clear conclusion that a national program must be developed for the study of space hazards and to respond to space threats. This article is based on a report made by the author at the meeting of the Presidium of the Russian Academy of Sciences (RAS) on January 15, 2019.

scholarly journals Upper Colorado River Basin 20th century droughts under 21st century warming: Plausible scenarios for the future

2021 ◽  
Vol 21 ◽  
pp. 100206
Author(s):  
Connie A. Woodhouse ◽  
Rebecca M. Smith ◽  
Stephanie A. McAfee ◽  
Gregory T. Pederson ◽  
Gregory J. McCabe ◽  
...  
Keyword(s):  
20Th Century ◽  
River Basin ◽  
21St Century ◽  
Colorado River ◽  
Colorado River Basin ◽  
Upper Colorado River Basin ◽  
The Future
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