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Topic Review
Biography
Topic Review
Carbon-Based Quantum Dots for Supercapacitors
Carbon-based Quantum dots (C-QDs) are carbon-based materials that experience the quantum confinement effect, which results in superior optoelectronic properties. In recent years, C-QDs have attracted attention significantly and have shown great application potential as a high-performance supercapacitor device. C-QDs (either as a bare electrode or composite) give a new way to boost supercapacitor performances in higher specific capacitance, high energy density, and good durability. This review comprehensively summarizes the up-to-date progress in C-QD applications either in a bare condition or as a composite with other materials for supercapacitors. The current state of the three distinct C-QD families used for supercapacitors including carbon quantum dots, carbon dots, and graphene quantum dots is highlighted.
3.3K
28 Sep 2021
Topic Review
Carbon-Coated SiO2 for Li-Ion Batteries
Li-ion battery technology is at the core of the imminent massive vehicle electrification due to the forecast growth penetration rate of electrified vehicles. In this cutting-edge Li-ion battery technology, silicon seems to be the most promising candidate for next-generation Li-ion battery technology due to its high theoretical capacity of 4200 mAh·g−1 (compared to 372 mAh·g−1 for graphite). Shifting to silicon as an anode material has the potential to deliver higher energy density for the batteries. The anode of a Li-ion battery should operate at low potentials and offer high specific energy capacity and density.
561
07 Feb 2022
Topic Review
Carbonation and Its Mechanisms in Reinforced Concrete Structures
Reinforced concrete (RC) has been commonly used as a construction material for decades due to its high compressive strength and moderate tensile strength. However, these two properties of RC are frequently hampered by degradation. The main degradation processes in RC structures are carbonation and the corrosion of rebars. The scientific community is divided regarding the process by which carbonation causes structural damage. Some researchers suggest that carbonation weakens a structure and makes it prone to rebar corrosion, while others suggest that carbonation does not damage structures enough to cause rebar corrosion.
1.6K
11 May 2022
Topic Review
Carbonation of Concrete
As one of the major causes of concrete deterioration, the carbonation of concrete has been widely investigated over recent decades. In recent years, the effect of mechanical load on carbonation has started to attract more attention. The load-induced variations in crack pattern and pore structure have a significant influence on CO2 transport which determines the carbonation rate.
1.4K
07 Dec 2021
Topic Review
Cardiac Tissue Engineering for Treating Myocardial Infarction
Ischemic heart disease (IHD) causes myocardial infarction (MI), which results in the death and loss of cardiomyocytes (CMs). Apoptosis, necrosis, and autophagy in CMs are the typical hallmarks of cardiac pathology in MI. Recent studies have shown that the combination of cell-based therapy and tissue engineering technology can improve stem cell engraftment and promote the therapeutic effects of the treatment for MI.
504
29 Nov 2021
Biography
Caroline Pratt
Caroline Pratt (May 13, 1867 – June 6, 1954[1] ) was an American social thinker and progressive educational reformer whose ideas were influential in educational reform, policy, and practice.[2] Pratt is known as the founder of City and Country School in the Greenwich Village section of the borough of Manhattan in New York City ; the inventor of unit blocks;[3][4][5] and as the author of I Le
872
01 Dec 2022
Topic Review
Carrageenan in Biodegradable Force Sensors Development
Biodegradable force sensors are a specific type of technology designed to be environmentally friendly and capable of naturally degrading over time. These sensors are typically made from biocompatible and biodegradable materials, allowing them to break down and dissolve into nontoxic components when exposed to specific environmental conditions. Flexible biodegradable force sensors find applications in various fields where temporary force monitoring or sensing is needed, for example, in biomedicine, environmental monitoring, or agricultural applications. Like most flexible sensors, they can also be used in medical implants or wearable devices to monitor the forces applied during rehabilitation or assistive activities.
252
22 Dec 2023
Topic Review
Cartridge (Respirator)
}} A respirator cartridge or canister is a container that cleans pollution from air. Employees working in a polluted atmosphere use respirators for health preservation. If the air in the workplace is polluted with noxious gases, but contains a lot of oxygen they often use air-purifying respirators (APR). These respirators provide employees breathable air by removing pollution from ambient air using canisters or cartridges. There are cartridges of different types, and they must be chosen correctly and replaced in a timely manner.
534
16 Nov 2022
Topic Review
CASA C-101
The CASA C-101 Aviojet is a low-wing single engine jet-powered advanced trainer and light attack aircraft designed and manufactured by Spanish aircraft company Construcciones Aeronáuticas SA (CASA). The C-101 was developed in response to a Spanish Air Force requirement, which needed a replacement for the already outdated Hispano Saeta. During 1975, CASA commenced work on what would become the C-101. In addition to its own design team, technical assistance was provided by Germany's Messerschmitt-Bölkow-Blohm (MBB) and the United States' Northrop. During June 1977, the first of four prototypes performed the type's maiden flight. The design was somewhat reminiscent of other jet trainers of the era, such as the BAE Hawk and the Alpha Jet, but was less aerodynamically sophisticated, being equipped with an unswept wing. Performance of the C-101 during flight testing was reported in excess of predictions. On 17 March 1980, the first examples were introduced to operational service with the Spanish Air Force, which would be the principal customer for the C-101. The initial model possessed only a limited weapons capability, this attack capability was expanded upon later-built aircraft. Several models were exported to overseas operators; the C-101 has been adopted by the Chilean Air Force , Honduran Air Force and the Royal Jordanian Air Force . A final improved model, designated C-101DD, was demonstrated but did not find customers and thus it did not enter serial production. In addition to its use as a trainer aircraft, it has been used to perform aerobatics; in the latter context, it has been flown by the Patrulla Aguila aerobatics team. As of 2019, the C-101 remains in service in the Spanish Air Force and several other countries. Early on the 2010s there were talks about the replacement of the C-101. Finally, in 2020 it was decided that the C-101 would be replaced by the Pilatus PC-21 (24) and the Airbus Future Jet Trainer (50 - 55).
762
22 Nov 2022
Topic Review
CASC Rainbow
CASC Rainbow (Cai Hong, abbreviated as CH) is a series of unmanned aerial vehicles (UAVs) developed by the China Academy of Aerospace Aerodynamics, an entity under the China Aerospace Science and Technology Corporation (CASC). The China Academy of Aerospace Aerodynamics is also known as the 11th Academy of CASC, or 701st Research Institute.
2.7K
17 Oct 2022
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