Research Progress of Magnetic Particle of Magneto-Rheological Fluid

2014 ◽  
Vol 971-973 ◽  
pp. 255-257
Author(s):  
Shang Liu ◽  
Xiao Long Zhang
Keyword(s):  
Magnetic Particles ◽  
Development Trend ◽  
Research Progress ◽  
High Coercivity ◽  
Large Temperature ◽  
Preparation Methods ◽  
Structure And Property ◽  
Existing Problems ◽  
Magneto Rheological ◽  
Physical And Chemical

Themagnetic particles in magneto-rheological fluid should have high coercivity,low proportion, and higher stability in a large temperature range. Based onthese, the article summarizes the characteristics, the development process andvarious physical and chemical preparation methods of magnetic particles, andpoints out the existing problems, and looks forward to the development trend ofpreparation methods, structure and property mechanism of magnetic particles.

scholarly journals Research progress of carbon-assisted etching of silicon nanostructures

2021 ◽  
Vol 2076 (1) ◽  
pp. 012060
Author(s):  
Xiaoyu Yang ◽  
Ling Tong ◽  
Lin Wu ◽  
Baoguo Zhang ◽  
Zhiyuan Liao ◽  
...  
Keyword(s):  
Large Scale ◽  
Low Cost ◽  
Lithium Ion ◽  
Development Trend ◽  
Research Progress ◽  
Silicon Nanostructures ◽  
Storage Devices ◽  
Existing Problems ◽  
Energy Conversion And Storage ◽  
Silicon Based

Abstract Silicon nanostructures are attracting growing attention due to their properties and promising application prospects in solar energy conversion and storage devices, thermoelectric devices, lithium-ion batteries, and biosensing technologies. The large-scale and low-cost preparation of silicon nanostructures is critical for silicon-based advanced functional devices commercialization. In this paper, the feasibility and mechanism of silicon nanostructure fabricated by non-metallic carbon catalytic etching, as well as the currently existing problems and future development trend are reviewed.

scholarly journals Research Status and Development Trend of Magnetic Fluid Acceleration Sensors

2021 ◽  
pp. 10-15
Author(s):  
Mu Xueyu ◽  
Yang Shaojie ◽  
Kong Xiangdong
Keyword(s):  
General Structure ◽  
Inertial Mass ◽  
Development Trend ◽  
Research Progress ◽  
Acceleration Sensor ◽  
Magnetic Liquid ◽  
Existing Problems ◽  
Acceleration Sensors ◽  
New Type ◽  
The Difference

As a new type of accelerometer, in recent years, the magnetic liquid acceleration sensor has attracted widespread attention worldwide, and related research results have also continued to emerge. This article mainly introduces the theoretical basis and general structure of the magnetic liquid acceleration sensor, and according to the difference of inertial mass, briefly describes the research progress of the magnetic liquid acceleration sensor by national and foreign scholars in recent years and some in existing problems. Finally, suggestions and prospects for the future development trend of the magnetic liquid acceleration sensor are given.

Advances in Preparation of Activated Carbon from Sugarcane Bagasse and Using it to Treatment of Wastewater Research

2014 ◽  
Vol 1010-1012 ◽  
pp. 15-19
Author(s):  
Yan Min Qin ◽  
Mei Na Liang ◽  
Dun Qiu Wang
Keyword(s):  
Heavy Metals ◽  
Activated Carbon ◽  
Organic Pollutants ◽  
Sugarcane Bagasse ◽  
Industrial Wastewater ◽  
Research Progress ◽  
Future Research ◽  
Preparation Methods ◽  
Existing Problems

This paper discusses the utilization situation and existing problems of sugarcane bagasse, and briefly the research progress of preparation of activated carbon from sugarcane bagasse (ACSB). It reviews the application of activated carbon prepared from sugarcane bagasse, such as, industrial wastewater decolorizing, removal of organic pollutants and heavy metals in wastewater in the domestic and overseas in recent years. Points out the shortage of preparation methods, the existing problems and puts forwards some questions need to be solved in future research. Moreover, the prospect of application and the trends in future research of activated carbon from sugarcane bagasse are proposed.

scholarly journals Recent Advances in MOF-based Nanocatalysts for Photo-Promoted CO2 Reduction Applications

Catalysts ◽  
2019 ◽  
Vol 9 (8) ◽  
pp. 658 ◽  
Author(s):  
Liu ◽  
Wang ◽  
Liu ◽  
Qiao ◽  
Lv ◽  
...  
Keyword(s):  
Catalytic Mechanism ◽  
Co2 Reduction ◽  
Development Trend ◽  
Photocatalytic Reduction ◽  
Research Progress ◽  
Existing Problems ◽  
Clean Environment ◽  
Metal Organic ◽  
Reduction Of Co2 ◽  
Structure Investigations

The conversion of CO2 to valuable substances (methane, methanol, formic acid, etc.) by photocatalytic reduction has important significance for both the sustainable energy supply and clean environment technologies. This review systematically summarized recent progress in this field and pointed out the current challenges of photocatalytic CO2 reduction while using metal-organic frameworks (MOFs)-based materials. Firstly, we described the unique advantages of MOFs based materials for photocatalytic reduction of CO2 and its capacity to solve the existing problems. Subsequently, the latest research progress in photocatalytic CO2 reduction has been documented in detail. The catalytic reaction process, conversion efficiency, as well as the product selectivity of photocatalytic CO2 reduction while using MOFs based materials are thoroughly discussed. Specifically, in this review paper, we provide the catalytic mechanism of CO2 reduction with the aid of electronic structure investigations. Finally, the future development trend and prospect of photocatalytic CO2 reduction are anticipated.

scholarly journals Development, Preparation, and Biomedical Applications of DNA-Based Hydrogels

2021 ◽  
Vol 9 ◽  
Author(s):  
Xueting Jian ◽  
Xiaoyi Feng ◽  
Yuning Luo ◽  
Fangjie Li ◽  
Junyan Tan ◽  
...  
Keyword(s):  
Biomedical Applications ◽  
High Performance ◽  
Functional Materials ◽  
Building Blocks ◽  
Development Trend ◽  
Preparation Methods ◽  
Existing Problems ◽  
Hybrid Hydrogels ◽  
Biomedical Field ◽  
Application Prospects

Hydrogels have outstanding research and application prospects in the biomedical field. Among them, the design and preparation of biomedical hydrogels with deoxyribonucleic acid (DNA) as building blocks have attracted increasing research interest. DNA-based hydrogel not only has the skeleton function of hydrogel, but also retains its biological functions, including its excellent selection specificity, structural designability, precise molecular recognition ability, outstanding biocompatibility, and so on. It has shown important application prospects in the biomedical field, such as drug delivery, biosensing, and tissue engineering. In recent years, researchers have made full use of the characteristics of DNA molecules and constructed various pure DNA-based hydrogels with excellent properties through various crosslinking methods. Moreover, via introducing functional molecules or elements, or combining with other functional materials, a variety of multifunctional DNA-based hybrid hydrogels have also been constructed, which expand the breadth and depth of their applications. Here, we described the recent development trend in the area of DNA-based hydrogels and highlighted various preparation methods of DNA-based hydrogels. Representative biomedical applications are also exemplified to show the high performance of DNA-based hydrogels. Meanwhile, the existing problems and prospects are also summarized. This review provided references for the further development of DNA-based hydrogels.

Research Progress on Preparation of SiC/Al for Electronic Packaging by Liquid Infiltration

2021 ◽  
Vol 1035 ◽  
pp. 906-917
Author(s):  
Meng Qin Chen ◽  
Yue Long Bai ◽  
Zhi Feng Zhang
Keyword(s):  
Electronic Packaging ◽  
Volume Fraction ◽  
High Volume ◽  
Development Trend ◽  
Research Progress ◽  
Preparation Methods ◽  
Advantages And Disadvantages ◽  
Liquid Infiltration ◽  
Al Composite ◽  
The Development Trend

High volume fraction SiC/Al composite material, with its excellent thermal properties and flexible preparation process, has been widely used in the field of electronic packaging. In the paprer, the development of SiC/Al materials for electronic packaging and their preparation methods are reviewed. The preparation processes for preparing SiC/Al by liquid infiltration are mainly introduced. The advantages and disadvantages of several important processes are analyzed. Finally, the development trend of SiC/Al for electronic packaging prepared by liquid infiltration is prospected.

Research of Novel Functional Stealthy Nanomaterials

2012 ◽  
Vol 534 ◽  
pp. 73-77
Author(s):  
Qiang Wang ◽  
Ling Na Sun ◽  
Chang Wen Hu ◽  
Chuan Bao Cao
Keyword(s):  
Functional Materials ◽  
Development Trend ◽  
Research Progress ◽  
Nano Materials ◽  
Military Technology ◽  
Absorption Mechanism ◽  
Preparation Methods ◽  
Electronic Warfare ◽  
Military Equipment ◽  
The Development Trend

With the continuous development of Electronic Warfare Technology (ECM) and new requirements of military modernization, stealthy technology played an important role in military equipment. Mechanism of new stealthy continues to be broken through and numbers of successful developments of new types of stealthy materials are put into use. New stealthy materials are the basis and key of stealthy technology and their developments are promoted by the improvements of detection and guidance of military technology. The studies of new stealthy functional nano-materials are analyzed and the stealthy mechanism of functional materials is introduced. The research progress, classification, preparation methods and the radar absorption mechanism of stealthy for new stealthy functional nano-materials are discussed. The new stealthy functional nano-materials are compared with the traditional radar absorption materials. The development trend and application prospects of stealthy functional nano-materials are also estimated.

The Surface Modification of Silica with Vinyltriethoxysilane

2011 ◽  
Vol 399-401 ◽  
pp. 1123-1130 ◽  
Author(s):  
Ling Zhang ◽  
Zhi Xian Chang ◽  
De Liang Li
Keyword(s):  
Electron Microscopy ◽  
Photoelectron Spectroscopy ◽  
Drug Carrier ◽  
Development Trend ◽  
Research Progress ◽  
Infrared Spectrometry ◽  
Existing Problems ◽  
Transmission Electron ◽  
The Development Trend

A review is provided of the research progress of silica modified with vinyltriethoxysilane (VTES-SiO2). The typical methods for preparing VTES-SiO2are introduced. The structure and stability of VTES layer and the controllability of various modified methods are elucidated. The characterization of VTES modified layer by means of Fourier transform infrared spectrometry, X-ray photoelectron spectroscopy, nuclear magnetic resonance, thermogravimetry, scanning electron microscopy and transmission electron microscopy are highlighted. Moreover, the application of VTES-SiO2 in the fields of rubber, glass, china, fiber, leather, paint, drug carrier, luminescent materials, catalyst technology, analytical chemistry and biochemistry were described in detail. The development trend on the preparation, determination of active groups and applications for VTES-SiO2were prospected, as well as the mechanism and the existing problems.

scholarly journals PLGA-based drug delivery system for combined therapy of cancer: research progress

2021 ◽  
Author(s):  
Zhang Ruirui ◽  
He Jian ◽  
Ximei Xu ◽  
Li Shengxian ◽  
Peng Hongmei ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Combined Therapy ◽  
Drug Carrier ◽  
Chemical Properties ◽  
Nano Particles ◽  
Research Progress ◽  
Bioactive Substances ◽  
Preparation Methods ◽  
Drug Carrier System ◽  
Physical And Chemical

Abstract In recent years, PLGA micro/nano particle drug delivery systems has been widely used in cancer treatment. According to the unique properties of PLGA, carriers of various structures are designed to keep the function of drugs or bioactive substances, ensure the effective load of molecules and improve the bioavailability of drugs in diseased parts. PLGA is one of the earliest and most commonly used biodegradable materials. It is often used for functional modification with other polymers (such as polyethylene glycol and chitosan) or other molecules (such as aptamers and ligands) to deliver various small molecule drugs (such as DOX and DTX) and bioactive macromolecules (such as proteins and nucleic acids) to improve targeting, controlled release and therapeutic properties. In this paper, the preparation methods, physical and chemical properties and medical applications of PLGA micro/nano particles are discussed. We focused on the recent research progress of the PLGA-based drug carrier system in tumor combination therapy.

scholarly journals Research status and Prospect of integrated energy system collaborative control based on energy Internet

2021 ◽  
Vol 257 ◽  
pp. 02010
Author(s):  
Peng Ye ◽  
Keming Qu ◽  
Feng Sun ◽  
Mingli Zhang ◽  
Na Zhang
Keyword(s):  
Energy System ◽  
Development Trend ◽  
Current Control ◽  
Research Progress ◽  
System Control ◽  
Energy Internet ◽  
Existing Problems ◽  
Collaborative Control ◽  
The Future ◽  
Integrated Energy System

As the only way to build the energy Internet, the key and difficult point of integrated energy system is to plan it reasonably and efficiently. This paper analyzes and summarizes the basic strategy, key technologies, control difficulties and influencing factors of integrated energy system control, summarizes the existing problems at home and abroad, and summarizes the content framework and control model of general integrated energy system control covering the source, network, load and storage links in a comprehensive way based on the latest research progress. According to the latest research progress, the paper analyzes the current control schemes, and concludes the development trend of the current integrated energy system collaborative control, makes a reasonable outlook on the future, and provides a way of thinking for people to study the integrated energy system in the future.

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