45 Result(s)
within
Xueqin **a
Physical Chemistry
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Article
Aluminum particle agglomeration mechanism and microscopic combustion characteristics of NEPE propellants
Since solid propellants can significantly increase the mobility, load, and range of missile weapons and equipment when used as a power source, energy performance is always the primary focus of solid propulsion...
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Study on the effect of potassium compound on the combustion characteristics of HTPB composite solid propellant
To investigate the effect of potassium compound on the combustion characteristics of hydroxyl-terminated polybutadiene (HTPB) composite solid propellants. Potassium compound were added to the HTPB propellants ...
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Enhancing the ignition and combustion performance of aluminum by surface modification: tannic acid and tea polyphenols
Aluminum has been long and widely used in propellants, thermite, and pyrotechnics. However, the commonly used micron aluminum has the problems of slow burning rate and incomplete release of chemical energy in ...
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Article
Glutathione-Responsive T1 Contrast Agent for Tumor Imaging
Tumor microenvironment responsive probe holds great potential to achieve precise diagnosis owning to its capacity to show different signal in tumor and normal tissue. Here, we develop an intelligent magnetic r...
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Article
One Dimensional MoS2/MoP Heterostructures for Efficient Electrocatalytic Hydrogen Evolution Reaction
Transition metal chalcogenides and transition metal phosphides have shown great potential in electrocatalytic hydrogen evolution reaction (HER) applications. Forming heterostructure is an effective way to enha...
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Article
AP and nFe2O3 synergistically improve the ignition and combustion performance of aluminum particles
Aluminum particles have the problems of difficult ignition, easy agglomeration, incomplete combustion, etc. Therefore, it is of great scientific significance and engineering value to find ways to improve the i...
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Effect of Carbon Material on Hydrogen Storage in Mg/MgH2
Hydrogen is considered an appealing fossil fuel alternative due to its high-energy density, environmental friendliness, and reproducibility, but stable, effective, and secure hydrogen storage continues to be a...
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Electrochemically Deposited Cu2O-Doped TiO2 Nanotube Photoanodes for Hydrogen Evolution
Regular TiO2 nanotube arrays are efficient photoanode materials for photocatalytic water splitting for hydrogen evolution. Herein, Cu2O nanoparticles were electrochemically deposited onto TiO2 nanotube surfaces t...
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Article
Enhanced photoelectronic performance of MoS2 nanosheets decorated TiO2 nanotube arrays via simultaneously promoting light absorption and charge separation
Both light absorption and charge separation are highly important to the photoelectronic performance of semiconductor-based electrodes. Herein, we describe the fabrication of TiO2 nanotube arrays (NTAs) decorated ...
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Article
Study on the ignition combustion and agglomeration mechanism of GAP/CL-20 composite propellants
Glycidyl azide polymer (GAP)/Hexanitrohexaazaisowurtzitane (CL-20) composite propellants have significant advantages, such as high energy density and low characteristic signal. However, the lack of understandi...
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Article
A Spherical Superstructure of Co,N-do** Mesoporous Carbon for Oxygen Reduction Reaction in Air-Breath Cathode Microbial Fuel Cell
Mesoporous carbon materials with nano/microsize have attracted lots of researchers' attention for broad application. The purpose of this study is to develop Co/N co-doped spherical carbon catalyst for ORR. Her...
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Article
Single-atom Fe Embedded CO3S4 for Efficient Electrocatalytic Oxygen Evolution Reaction
Constructing atomically dispersed active sites with densely exposed and dispersed double metal-Sx catalytic sites for favorable OER catalytic activity remains rare and challenging. Herein, we design and construct...
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Article
A Weakly Cationic Temperature Tolerant and Salt Resistant Polymer: Synthesis and Properties
In the petroleum industry, water-soluble polymers can be used as oil displacement agents. However, the use of water-soluble polymers is limited because of poor temperature and salt resistance. To improve tempe...
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Article
The Heterojunction of Ni and Co9S8 was Synthesized and Anchored on Carbon Nanotubes to Improve the Performance of Water Electrolysis
Develo** durable, low-cost water electrolysis catalysts plays a critical role in solving clean energy problems. Herein, we synthesized Ni/Co9S8@CNT micro flower comprising Ni/Co9S8 mesoporous nanosheets and car...
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Article
Preparation and properties of epichlorohydrin-cross-linked chitosan/hydroxyethyl cellulose based CuO nanocomposite films
This study introduces an effective route to fabricate chitosan (CS)-based film. The films were prepared through cross-linking reaction between CS and hydroxyethyl cellulose (HEC) using epichlorohydrin (ECH) as...
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Article
Substituted-amidine derivatives of diazabicyclooctane as prospective β-lactamase inhibitors
Discovery of β-lactamase inhibitors is a continuous process due to inherent capability of resistance in bacteria against existing inhibitors. Diazabicyclooctane ring is a non-β-lactam motif capable of inhibiti...
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The role of simulated body fluid and force on the mechanical and tribological properties of α-tocopherol stabilized UHMWPE for biomedical applications
In this study, the effects of simulated body fluid (SBF) and force on the mechanical and tribological properties of ultrahigh molecular weight polyethylene (UHMWPE) stabilized with α-tocopherol (α-T/UHMWPE) we...
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Study on the influence of crosslinking density and free polysiloxan chain length on oxygen permeability and hydrophilicity of multicomponent silicone hydrogels
To investigate the influence of crosslinking density and free polysiloxane chain length on oxygen permeability and hydrophilicity of multicomponent silicone hydrogels, two kinds of silicone macromonomers, sing...
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Article
A binuclear ruthenium polypyridyl complex: synthesis, characterization, pH luminescence sensor and electrochemical properties
The binuclear ruthenium complex [Ru2(bpy)4L](PF6)4 [Ru1(PF6)4, where L = 9,10-bis(3-(1H-imidazo[4,5-f] [1,10] phenanthrolin-2-yl)phenyl)anthracene and bpy = 2,2′-bipyridine], was designed and synthesized as pH se...
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Article
Enantioselective photoinduced cyclodimerization of a prochiral anthracene derivative adsorbed on helical metal nanostructures
The generation of molecular chirality in the absence of any molecular chiral inductor is challenging and of fundamental interest for develo** a better understanding of homochirality. Here, we show the manipu...
