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Article
Self-Assembly and Photoinduced Deformation of Microspheres of an Azo Molecule Containing a 1,4,3,6-Dianhydrosorbitol Core and Cinnamate Peripheral Groups
This study investigated the controllable fabrication of anisotropic particles with different sizes and morphologies via self-assembly and photoinduced deformation of azo colloidal microspheres, which were form...
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Article
Identification of Localized Void Defects in Composite by Recurrence Quantification Analysis of Ultrasonic Backscattered Signal
Voids usually have a detrimental effect on the performance of carbon fiber reinforced polymer (CFRP). This paper presents a nonlinear dynamic method, known as recurrence quantification analysis (RQA), for the ...
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Article
A digital pulse fitting method for the \( \alpha\) decay studies of short-lived nuclei
When studying short-lived nuclei via \( \alpha\)α spectroscopic methods at recoil separators, the decay events tend to happen immediately after the recoil implantations or the decays of parent nuclei and therefore ...
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Article
Meta-analysis of survival benefit with postoperative chemoradiotherapy in patients of lymph node positive esophageal carcinoma
The effect of postoperative chemoradiotherapy (CRT) for esophageal carcinoma (EC) was investigated. Patients who can obtain benefit from this treatment modality have not yet been well identified.
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Article
Ultrasonic Flaw Echoes Detection Based on Generalized S-Transform
Micro defects usually lead to performance degradation of materials. Pulse-echo technique is an effective method of revealing micro defects in materials, and booming in which has been witnessed over the years. ...
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Article
Tensile Fracture Modes in Fe-22Mn-0.6C and Fe-30Mn-3Si-3Al Twinning-Induced Plasticity (TWIP) Steels
Tensile tests were carried out to investigate the differences in fracture mechanisms between Fe-22Mn-0.6C and Fe-30Mn-3Si-3Al (wt pct) twinning-induced plasticity steels. Although both steels possess a strong twi...
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Article
Mechanical Properties and Fracture Behaviors of GTA-Additive Manufactured 2219-Al After an Especial Heat Treatment
2219-Al parts were produced by gas tungsten arc-additive manufacturing and sequentially processed by an especial heat treatment. In order to investigate the effects of heat treatment on its mechanical properti...
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Article
Effects of thermal cycles on microstructure evolution of 2219-Al during GTA-additive manufacturing
A 2219-Al thin-walled component was produced by gas tungsten arc (GTA)-additive manufacturing, and the microstructures were observed. The thin wall can be divided into two regions: a top region and a bottom re...
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Article
Molten pool behaviors and weld forming characteristics of all-position tandem narrow gap GMAW
A tandem gas metal arc welding system was utilized for narrow gap welding in three welding positions: flat, vertical down, and overhead welding position. The two arcs worked in two independent molten pools res...
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Article
Mechanical properties of 2219-Al components produced by additive manufacturing with TIG
Several 2219-Al components were produced by additive manufacturing with tungsten inert gas (TIG), and thin walls were selected to study the mechanical properties. Results show that the average hardness is 77.5 HV
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Article
Open AccessRecovery of strain-hardening rate in Ni-Si alloys
In this study, the recovery of strain-hardening rate (RSHR) was discovered for the first time in polycrystalline materials (Ni-Si alloys) that have only dislocation activities during tensile test. Detailed mic...
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Article
Prediction and optimization of weld bead geometry in oscillating arc narrow gap all-position GMA welding
Oscillating arc narrow gap all-position gas metal arc (GMA) welding is primarily applied for the construction of large metal structure with the advantages of high efficiency and quality. According to the chara...
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Article
Comparative Studies on Growth and Physiological Responses of Unicellular and Colonial Microcystis aeruginosa to Acorus calamus
In order to explore the growth inhibition and physiological responses of unicellular and colonial Microcystis aeruginosa during coexistence with Acorus calamus, algal densities, chlorophyll a contents, exopolysac...
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Article
Evaluation on microstructure and mechanical properties of high-strength low-alloy steel joints with oscillating arc narrow gap GMA welding
Abstract with the purpose of improving weld joint quality and productivity, the oscillating arc narrow gap gas metal arc (GMA) welding was employed in welding quenched and tempered high-strength low-alloy thic...
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Article
Effects of SiO2 Nanoparticles and Diethyl Carbonate on the Electrochemical Properties of a Fibrous Nanocomposite Polymer Electrolyte for Rechargeable Lithium Batteries
In this study, a fibrous nanocomposite polymer electrolyte (NCPE) based on poly(vinylidene fluoride-co-hexafluoropropylene) was prepared through a electrospinning technology. Effects of SiO2 nanoparticles and die...
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Article
Statistical modelling of weld bead geometry in oscillating arc narrow gap all-position GMA welding
In this work, the oscillating arc narrow gap all-position gas metal arc (GMA) welding process was developed to improve efficiency and quality in the welding of thick-walled pipes. The statistical models of nar...
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Article
Environmental quality assessment and spatial pattern of potentially toxic elements in soils of Guangdong Province, China
The spatial distributions of Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, and Zn concentrations in surface soils of Guangdong Province, China, were investigated to evaluate the environmental quality of these potentially to...
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Article
Diffusion Soldering of Bi0.5Sb1.5Te3 Thermoelectric Material with Cu Electrode
For the production of thermoelectric modules, Bi0.5Sb1.5Te3 was sequentially electroplated with a 4-μm Ni barrier layer and a 10-μm Ag layer and then diffusion soldered with the Cu electrode, which was also elect...
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Article
Diffusion Soldering of Pb-Doped GeTe Thermoelectric Modules with Cu Electrodes Using a Thin-Film Sn Interlayer
Directly coating a GeTe(Pb) thermoelectric device with a Ni barrier layer and an Ag reaction layer and then diffusion soldering with a Cu electrode coated with Ag and Sn leads to breakage at the GeTe(Pb)/Ni in...
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Article
IKK-β mediates hydrogen peroxide induced cell death through p85 S6K1
The IκB kinase (IKK)/NF-κB pathway has been shown to be a major regulator in cell survival. However, the mechanisms through which IKK mediates cell death are not clear. In this study, we showed that IKK-β contrib...