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Article
Foaming Behavior of AlMg4Si8 Matrix and Pure Al Matrix Precursors in Closed Cavities with Different TiH2 Addition Levels
The foamed structure of the central layer, predominantly governed by the addition levels of TiH2 and the composition of the precursor, in addition to the parameters associated with the foaming process, constitute...
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Article
Open AccessRobust multiferroic in interfacial modulation synthesized wafer-scale one-unit-cell of chromium sulfide
Multiferroic materials offer a promising avenue for manipulating digital information by leveraging the cross-coupling between ferroelectric and ferromagnetic orders. Despite the ferroelectricity has been uncov...
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Article
Study on the Microstructure and Mechanical Properties of ZrB2/AA6111 Particle-Reinforced Aluminum Matrix Composites by Friction Stir Processing and Heat Treatment
In this paper, the Al–K2ZrF6–KBF4 reaction system, a melt reaction method, was used to prepare in situ ZrB2/AA6111 particle-reinforced aluminum matrix composite. The modification of friction stir processing (FSP)...
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Article
Foaming Behavior of AlSi8Mg4 Alloy in Closed Cavity
As a new lightweight and energy absorbing structure, aluminum foam special-shaped parts have broad application prospects in many industrial fields, especially in the automotive industry. Aluminum foam special-...
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Article
Effect of Ce Addition on the Thermal Conductivity and Mechanical Properties of Al-7Si-0.6Fe-0.5Zn Cast Alloy Treated by B/La/Sr Modification
In order to further improve the thermal conductivity and mechanical properties simultaneously of the base alloy (Al-7Si-0.6Fe-0.5Zn alloy) treated by B/La/Sr modification, the La content was further optimized ...
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Article
Open AccessCorrelation between the DNJ content and genetic diversity of SSR markers of 36 mulberry (Morus spp.) germplasm resources
1-deoxynojirimycin (DNJ) has certain medicinal value in lowering blood sugar, lowering blood fat, antiviral and anti-tumor, and Mulberry is one of known species with the highest DNJ content. To take full advan...
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Article
Open AccessTwo-dimensional multiferroic material of metallic p-doped SnSe
Two-dimensional multiferroic materials have garnered broad interests attributed to their magnetoelectric properties and multifunctional applications. Multiferroic heterostructures have been realized, neverthel...
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Article
Investigation of Vanadium Titanomagnetite Concentrate Activated Reduction
Test methods including chemical analysis, X-ray-phase, and thermogravimetric analyses together with thermodynamic calculation are adopted to reveal the transition mechanism for Fe, V and Ti in an activated red...
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Chapter and Conference Paper
A Pulse-Jet Control Method of Electromagnetic Projectiles Based on Impact Point Prediction
Aiming at the guidance and control system of Electromagnetic railgun projectile, a pulse-jet control scheme based on the trajectory impact point prediction is explored. Firstly, the 3-D model of the projectile...
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Article
High-Efficiency Extraction of Fe, V, and Ti from Vanadium Titano-Magnetite Concentrate Based on Activated Reduction
Methods of chemical analysis, XRD, and pH monitoring are adopted in order to study wet extraction of Fe, V and Ti based on activated reduction, and the control conditions as well as the degree of recovery are ...
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Article
Study on the mechanism of large-scale microwave absorption of ferroferric oxide coated with nano-SiO2
With the continuous development of nanomaterials technology, the research on electromagnetic absorption of nanomaterials dispersed in large-scale sea has important application value. Therefore, the wave absorp...
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Chapter and Conference Paper
Development of Utility System for Electricity Bill Settlement of Power Generation Company
The three - dimensional model of power generation company is proposed. According to this model research, we developed the power generation company’s power cost balance calculation system. In this paper, the ke...
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Chapter and Conference Paper
Design of Generator Controller Based on Fuzzy Algorithm
In order to solve the anti-interference of generator excitation, this paper establishes PID controller of generator excitation and small signal mathematical model of single machine infinite system, combines th...
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Article
Experimental research on improving accuracy of electrochemical machining of deep narrow grooves
Deep narrow metal grooves have wide application prospects in the field of aeronautics and astronautics. Electrochemical machining (ECM) has a unique advantage in the fabrication of deep narrow grooves due to i...
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Chapter and Conference Paper
Research on Technology Foresight Method Based on Intelligent Convergence in Open Network Environment
With the development of technology, the technology foresight becomes more and more important. Delphi method as the core method of technology foresight is increasingly questioned. This paper propose a new techn...
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Article
Open AccessEffects of long-term cultivation of transgenic Bt rice (Kefeng-6) on soil microbial functioning and C cycling
Understanding how soil ecosystem responds to transgenic Bacillus thuringiensis (Bt) rice is necessary for environmental risk assessment. While the influences of short-term cultivation of Bt rice on soil propertie...
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Article
Anti-TGFβ-1 receptor inhibitor mediates the efficacy of the human umbilical cord mesenchymal stem cells against liver fibrosis through TGFβ-1/Smad pathway
The aim of the current investigation was to evaluate the anti-fibrosis potential of human umbilical cord mesenchymal stem cells (hUC-MSCs) and further to explore some of its underlying mechanisms. Hepatic fibr...
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Article
Electrochemical machining of a narrow slit by cathodic compound feeding
Narrow slits are widely used in aerospace, instrument and meter, and heat-transfer equipment. Electrochemical machining (ECM) has the advantage of being free of tool wear, heat-affected zone, and machining def...
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Chapter and Conference Paper
Microstructure and mechanical properties of an electron beam welds in a spray-deposited Al-Zn-Mg-Cu alloy
In this study, an electron beam welds produced in a spray-deposited Al-8.6Zn-2.6Mg-2.2Cu (wt,%) alloy were characterized by optical microscope (OM), scanning electron microscope (SEM), transmission electron mi...
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Chapter
China’s Long Road toward Recognition of Below-Replacement Fertility
During the 1970s, China’s fertility dropped by more than one-half, from a total fertility rate (TFR) of 5.8 children per woman in 1970 to 2.7 in 1979. This decline occurred before the introduction of the gover...
