130 Result(s)
within
**ng-hua Li
Characterization and Evaluation of Materials
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Article
A Study on the Corrosion Behavior of Ti-Containing Weathering Steel in a Simulated Marine Environment
The aim of this study is to evaluate the effect of titanium on the corrosion characteristics of bridge weathering steel plates in marine environments. The corrosion characteristics of steel containing differen...
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Article
Bioinspired Double-stranded Yarn with Alternating Hydrophobic/Hydrophilic Patterns for High-efficiency Fog Collection
Efforts to develop innovative water harvesting strategies offer powerful solutions to alleviate the water crisis, especially in remote and arid areas. Inspired by the hydrophobic/hydrophilic pattern of desert ...
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Article
Comprehensive metabolome characterization and comparison between two sources of Dragon’s blood by integrating liquid chromatography/mass spectrometry and chemometrics
Dragon’s Blood (DB) serves as a precious Chinese medicine facilitating blood circulation and stasis dispersion. Daemonorops draco (D. draco; Qi-Lin-Jie) and Dracaena cochinchinensis (D. cochinchinenesis; Long-Xue...
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Article
Highly Hydrolysis-Resistant Polyimide Fibers Prepared by Thermal Crosslinking with Inherent Carboxyl Groups
Easy hydrolysis in alkaline environments limits the use of polyimide fibers in environmental protection. The hydrolysis resistance levels of polyimide fibers can be improved by crosslinking of the macromolecul...
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Article
Preparation and study of modified phytic acid/epoxy resin anti-corrosion coating
The anti-corrosion improvement of epoxy-based (EP) coatings through an eco-fridendly way is significant to industrial development. Phytic acid (PA) is a kind of natural corrosion inhibitor, but its use to enha...
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Article
Design of Tough, yet Strong, Heat-resistant PLA/PBAT Blends with Reconfigurable Shape Memory Behavior by Engineering Exchangeable Covalent Crosslinks
Polylactide (PLA) has often been blended with biodegradable poly(butylene adipate-co-terephthalate) (PBAT) to improve it toughness. However, the strength and heat resistance of PLA are always sacrificed. Herein, ...
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Matrix Effect on Polydiarylfluorenes Electrospun Hybrid Microfibers: From Morphology Tuning to High Explosive Detection Efficiency
Precisely optimizing the morphology of functional hybrid polymeric systems is crucial to improve its photophysical property and further extend their optoelectronic applications. The physic-chemical property of...
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Article
Research of Compound Additives on Moisture Resistance of Sand Cores Bonded by Sodium Silicate
In this research, the storage performance of sodium silicate-bonded sand core was significantly improved by adding compound additives, including micro-silica powder, PVB ethanol solution and cement. The orthog...
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Article
Depressed carrier recombination for organic solar cells by do** IEICO-4F molecule
The organic solar cells achieve a higher power conversion efficiency (PCE) by introducing a slight of IEICO-4 F molecule into the PTB7-Th:PC71BM blended. The do** amount of IEICO-4 F is 0–10 wt%. The champion P...
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Article
Study on Influence of Silicate Modulus and Cation Type on Tensile Strength for Sand Core
In this research, it was explored how the strength of sand core would be affected by the silicate binder with varying modulus and different cation types (Na and K) and micro-silica powder. To be specific, the ...
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Article
Dry-spun Polyimide Fibers with Excellent Thermal Stability, Intrinsic Flame Retardancy and Ultralow Smoke Release
Polymer fiber with an ultrahigh thermal stability, superior flame retardancy and low smoke release during combustion is urgently needed and a crucial challenge for develo** advanced fireproof textiles. In th...
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Article
Quantitative Electron Tomography for Accurate Measurement of Precipitates Microstructure Parameters in Al–Cu–Li Alloys
Mechanical theories show that properties of alloys are strongly dependent on the morphological parameters of their strengthening precipitates. However, accurate measurement of precipitates microstructure param...
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Article
Structure and Morphology of Poly(ε-caprolactone) Heterogeneous Shish-Kebab Structure Induced by Poly(lactic acid) Nanofibers
In recent years, the hybrid shish-kebab structure with excellent physical properties and functionalities has attracted much attention because it provides a way of blending nanofibers with different properties ...
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Article
Composition Optimization and Strengthening Mechanism of High-Strength Composite Water-Soluble Salt Core for Foundry
This paper aims to improve difficult cleaning and high core requirements in castings with complex internal cavities. The mixed salt was composed of NaCl, Na2SO4, BaCl2, and ceramic reinforced powder Al2O3 was add...
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Article
Polar Phase Formation and Piezoelectricity of PVDF by Hot-pressing under Electrostatic Intermolecular Interactions
Piezoelectric poly(vinylidene fluoride) (PVDF) has received considerable attention due to its ability of interconverting mechanical into electric energies and potential applications in wearable electronics. To...
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Article
Construction of Safety and Non-flammable Polyimide Separator Containing Carboxyl Groups for Advanced Fast Charing Lithium-ion Batteries
With the wide applications of lithium-ion batteries (LIBs) in electronic devices and electric vehicles, it is of great importance to improve their safety and electrochemical performance. Herein, soluble polyim...
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Article
Preparation of High-performance Polyimide Fibers with Wholly Rigid Structures Containing Benzobisoxazole Moieties
In this work, a fully rigid coplanar symmetric heterocyclic unit was introduced into the rigid polyimide macromolecular backbone structure to prepare high-performance polyimide fibers. The novel co-polyimide (...
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Article
Detachment-Independent Cationic-Dipeptide Beacons: Reduced False-Negative Signal and Accelerated Fluorescent Lighting in Cell Imaging
Nanocarriers have been developed to deliver DNA probes into cells for imaging analysis and improving their nuclease resistance. However, we found obvious lowered sensitivity and even false-negative results in ...
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Article
Effect of Core Box Temperature, Hot-Air Parameters and Micro-Silica Powder on Tensile Strength of Sand Core
A study was conducted on the effects of various influencing factors in the compound hardening process, including core box temperature, such hot-air parameters as temperature, pressure and blowing time, as well...
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Article
Dielectric Properties and DC Bias Characteristics of BaTi1-mZrmO3-x mol.% MgO-4.5 mol.% Gd2O3-2 mol.% SiO2 Ceramics
In this study, BaTi1-mZrmO3-4.5 mol.% Gd2O3-2.0 mol.% SiO2 ceramics with different Zr/Ti ratios and MgO contents were prepared via solid-state reaction. The MgO addition decreased the densification temperatures o...
