Search results for: Xiaoqiang Li

Items from 1 to 20 out of 327 results

article

Fabrication of pressure visual fiber based on liquid metal control thermochromic pigments

Huabing Wang, Xinyan Yue, Xiuyu Shen, Xianlin Wang, more

Polymer Composites > 45 > 14 > 12636 - 12648

In this study, pressure visual fibers (PVF) with a core‐shell structure were prepared using a coaxial wet spinning process. The fiber composite shell consists of a luminescent material (as a light source) and a thermochromic pigment (as a filter light source) mixed with a polyacrylonitrile (PAN) matrix. The fiber core layer, on the other hand, was made of gallium‐indium alloy liquid metal. In operation,...

article

A case of coronary sinus ostium atresia misdiagnosed as patent foramen ovale

Fangzhou Li, Xiaoqiang Li

Echocardiography > 41 > 8 > n/a - n/a

A 15‐year‐old male patient presented with a 3‐year history of recurrent dizziness and headaches and was initially diagnosed with patent foramen ovale. A transcatheter closure procedure was planned and conducted under general anesthesia, utilizing ultrasound guidance through the femoral vein. Preadmission echocardiography confirmed the presence of a patent foramen ovale. However, further investigation...

article

Impact of COVID‐19 restrictions on the treatment of neovascular age‐related macular degeneration

Cecilie Bagi Nordsten, Bjarke Kåre Rasmussen, Xiaoqiang Li, Alexander Kai Thomsen, more

Acta Ophthalmologica > 102 > 3 > e404 - e405

article

An environmentally friendly strategy for preparing polydimethylsiloxane/multiwalled carbon nanotube composites with multilayer structures

Menghui Zhang, Liang Shao, Tao Zhang, Yanlong Yang, more

Polymer Composites > 45 > 5 > 4002 - 4013

This work showcases the production of flexible polydimethylsiloxane/multiwalled carbon nanotube (PDMS/MWCNT) composites with multilayer structures via the glucose template method followed by vacuum‐assisted filtration and hot pressing. The properties of the single‐layer and multilayer composites have been systematically investigated. In the X‐band, thanks to the ohmic loss, the interfacial polarization...

article

Microstructure Evolution and Shear Strength of TiAl‐Based Intermetallics Joint Vacuum Brazed with TiH₂–Ni–TiB₂ Powder Filler

Li Li, Leixin Yuan, Fen Luo, Yutong Chen, more

Advanced Engineering Materials > 25 > 22 > n/a - n/a

Vacuum brazing of Ti–47Al–2Nb–2Cr–0.15B (at%) alloy with TiH₂–Ni–TiB₂ powder filler in situ assisted 20 vol% TiB whiskers is performed at 1190–1250 °C for 10 min. The microstructure evolution of the joint at various brazing temperatures and the relationship between microstructure and joint properties are systematically investigated. In the results, it is indicated that the interfacial microstructure...

article

Microstructures and Tensile Properties of New Mg–0.9Zn–0.2Mn–0.5RE Alloys via Different Al Additions

Li Fu, Zhiqian Zhang, Xiaoqiang Li, Zheng Jia, more

Advanced Engineering Materials > 25 > 10 > n/a - n/a

Effects of Al content on the microstructure and tensile properties of Mg–0.9Zn–0.2Mn–0.5RE (0.2Sm + 0.3La) alloy have been systematically investigated. In the as‐cast Mg–0.9Zn–0.2Mn–0.5RE alloy, intermetallic compounds are identified as Mg₄₁Sm₅, Mg₁₂La, and Mg₁₂(La, Sm) phases, while when Al is added, new Mg₁₇Al₁₂ and Al₁₁(La, Sm)₃ phase is formed instead of Mg₁₂(La, Sm) phase. As Al content increases,...

article

Analysis of changes in gel properties during retrogradation of four kinds of sorghum starch

Hongwei Zhang, Fei Gao, Xiaoqiang Li, Xin Li, more

International Journal of Food Science & Technology > 58 > 6 > 3109 - 3120

In this study, four kinds of sorghum starch gels containing different amylose were taken as the research objects and stored for 28 days. The parameter changes of gel properties during the retrogradation of different varieties of sorghum starches were observed using X‐ray diffraction, Low‐field nuclear magnetic resonance, textural, rheological and anti‐enzymatic hydrolysis capacity studies to construct...

article

Effect of exogenous GABA combined with ultrasound treatment on the physicochemical and functional properties of sprouted mung bean starch

Shuangjing Lang, Fei Gao, Xiaoqiang Li, Chunguang Sui, more

International Journal of Food Science & Technology > 58 > 5 > 2380 - 2390

Starch is the major nutrient fraction in mung beans, wherein any physicochemical change in them while in germination as pre‐processing tactics influences their properties and hence application broadness. This study aimed to investigate the effect of ultrasonic synergistic exogenous GABA (γ‐aminobutyric acid) treatment on to the physicochemical and functional properties of mung bean starch during germination...

article

Establishing the accuracy of position‐specific carbon isotope analysis of propane by GC‐pyrolysis‐GC‐IRMS

Changjie Liu, Peng Liu, Xiaofeng Wang, Xiaoqiang Li, more

Rapid Communications in Mass Spectrometry > 37 > 9 > n/a - n/a

Rationale Position‐specific (PS) δ¹³C values of propane have proven their ability to provide valuable information on the evolution history of natural gases. Two major approaches to measure PS δ¹³C values of propane are isotopic ¹³C nuclear magnetic resonance (NMR) and gas chromatography‐pyrolysis‐gas chromatography‐isotope ratio mass spectrometry (GC‐Py‐GC‐IRMS). Measurement accuracy of the isotopic...

article

Interface Characteristics and Dynamic Compression Behaviors of Al₃₅Ti₁₅Cr₂₀Mn₂₀Cu₁₀ High‐Entroy Alloy/6061Al Composites Fabricated by Spark Plasma Sintering

Xiaoqiang Jin, Dezhi Zhu, Shiwen Liu, Xiaoqiang Li, more

Advanced Engineering Materials > 25 > 5 > n/a - n/a

Lightweight high‐entropy alloys (LWHEAs) become the research hotspot and are ideal reinforcement materials for aluminum matrix composites (AMCs). The 0, 5, and 10 vol% lightweight Al₃₅Ti₁₅Cr₂₀Mn₂₀Cu₁₀ HEA/6061Al (HEA/Al) composites are fabricated by spark plasma sintering (SPS). The HEA–Al interfacial characteristics, dynamic compression behaviors, and failure mechanism of the composites are studied...

article

A review on the deformation mechanism and formability enhancement strategies in incremental sheet forming

Sattar Ullah, Yanle Li, Xiaoqiang Li, Peng Xu, more

Archives of Civil and Mechanical Engineering > 2023 > Vol. 23, no. 1 > art. no. e55, 2023

The process formability of incremental sheet forming (ISF) is better than the conventional forming processes. Stretching, through-thickness-shear, bending-under-tension (BUT), and compressive forces are the proposed deformation mechanisms for improved formability; however, researchers have not corroborated (on consensus) the relative significance of any one among these. Similarly, researchers observed...

article

Physicochemical properties and correlation analysis of retrograded starch from different varieties of sorghum

Fei Gao, Xiaoqiang Li, Xin Li, Ziwei Liu, more

International Journal of Food Science & Technology > 57 > 10 > 6678 - 6689

Sorghum germplasm resources were abundant, and their comprehensive utilisation was also more in‐depth. Starch had attracted much attention as the main component in grain, but starch retrogradation limited its better development and utilisation. Therefore, the property changes of sorghum starch retrogradation were studied. The differences in the properties of the four kinds of sorghum starches during...

article

Environmental‐Friendly Polymer for Efficient and Stable Inverted Perovskite Solar Cells with Mitigating Lead Leakage

Qi Cao, Tong Wang, Jiabao Yang, Yixin Zhang, more

Advanced Functional Materials > 32 > 32 > n/a - n/a

Although perovskite solar cells (PSCs) are on the road to industrialization, the operational stability under high efficiency still needs to be improved, and the water solubility of lead ions (Pb²⁺) will cause environmental pollution problems. Herein, it is successfully implanted an environment‐friendly (biodegradability) poly(butylene adipate‐coterephthalate) polymer (PBAT) into the perovskite film,...

article

Local delivery of tumor‐targeting nano‐micelles harboring GSH‐responsive drug release to improve antitumor efficiency

Xiaoqiang Li, Yongli Shi, Shuxin Xu

Polymers for Advanced Technologies > 33 > 9 > 2835 - 2844

Increasing the accumulation of therapeutics in tumor site and improving the bioavailability of delivered drug are vital strategies to enhance chemotherapy efficiency as well as reduce side effects. Herein, we report an injectable hydrogel system to locally deliver tumor‐targeting nano‐micelles with GSH‐responsive drug release to improve antitumor efficiency. Amphiphilic polymers with different functions...

article

Cellulose accumulation mediated by PbrCSLD5, a cellulose synthase‐like protein, results in cessation of pollen tube growth in Pyrus bretschneideri

Xian Li, Chao Tang, Xiaoqiang Li, Xiaoxuan Zhu, more

Physiologia Plantarum > 174 > 3 > n/a - n/a

Cellulose, a key component of the cell wall, plays an important role in maintaining the growth of pollen tubes. However, the molecular mechanism of cellulose participating in the cessation of pear pollen tube growth remains unclear. Here, we reported that at 15 h post‐cultured (HPC), the slow‐growth pear pollen tubes showed thickened cell walls and cellulose accumulation in the inner wall. Transcriptome...

article

Short‐term efficacy and safety of TurboHawk atherectomy for in‐stent restenosis in peripheral artery disease: a single‐centre experience

Yi Qin, Yan Shi, Huawei Zhuo, Tong Yu, more

ANZ Journal of Surgery > 92 > 3 > 448 - 452

Background Information regarding the efficacy of the TurboHawk atherectomy for the treatment of in‐stent restenosis (ISR) in patients with peripheral artery disease (PAD) of the lower extremity is scarce. This study was performed to investigate the curative efficacy and safety of the TurboHawk system for ISR in PAD patients over 60 years old. Methods The TurboHawk atherectomy device was used to...

article

Understanding the changes in particle size, structure, and functional properties of waxy maize starch after jet‐milling treatments

Lidong Wang, Xiaoqiang Li, Shibo Yu, Shilin Liu, more

Journal of Food Process Engineering > 44 > 5 > n/a - n/a

Waxy maize starch was subjected to fluidized bed jet milling treatments at classifier frequencies of 2,400, 3,000, and 3,600 rpm. Changes in the structure and physicochemical properties of waxy maize starch after jet milling were investigated and compared with the untreated starch. With an increase in classifier frequency, the particle size of starch significantly (p < .05) decreased and showed...

article

Concurrent Hardening and Toughening of a Tungsten Heavy Alloy via a Novel Carburizing Cyclic Heat Treatment

Ke Hu, Xiaoqiang Li, Bo Liu, Shengguan Qu, more

Advanced Engineering Materials > 23 > 4 > n/a - n/a

Tungsten heavy alloys (WHAs), due to the combination of some attractive properties, are used in many engineering applications. Recently conducted researches are however focused on improving the surface properties of these alloys, such as their hardness, wear, and corrosion resistance, by applying different surface treatments. However, the obtained enhanced surface properties are concomitant with...

article

Point‐of‐care lung ultrasound in the assessment of patients with COVID‐19: A tutorial

Ximena Cid, Andrew Wang, Johan Heiberg, David Canty, more

Australasian Journal of Ultrasound in Medicine > 23 > 4 > 271 - 281

The adoption of point‐of‐care lung ultrasound for both suspected and confirmed COVID‐19 patients highlights the issues of accessibility to ultrasound training and equipment. Lung ultrasound is more sensitive than chest radiography in detecting viral pneumonitis and preferred over computed tomography for reasons including its portability, reduced healthcare worker exposure and repeatability. The main...

article

Ultrafine porous boron nitride nanofiber‐toughened WC composites

Xiaoqiang Li, Ting Cao, Minai Zhang, Hao Qiu, more

International Journal of Applied Ceramic Technology > 17 > 3 > 941 - 948

Porous fibers are widely used in catalysis chemistry and hydrogen storage but are rarely used in structural ceramics. In this study, spark plasma sintering was used to prepare an ultrafine porous boron nitride nanofiber‐toughened WC composite for the first time. The obtained WC‐0.05 wt% ultrafine porous boron nitride nanofiber composites exhibited better properties (ie, a 2.3% increase in hardness...

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INFONA - science communication portal

Search results for: Xiaoqiang Li

Fabrication of pressure visual fiber based on liquid metal control thermochromic pigments

A case of coronary sinus ostium atresia misdiagnosed as patent foramen ovale

Impact of COVID‐19 restrictions on the treatment of neovascular age‐related macular degeneration

An environmentally friendly strategy for preparing polydimethylsiloxane/multiwalled carbon nanotube composites with multilayer structures

Microstructure Evolution and Shear Strength of TiAl‐Based Intermetallics Joint Vacuum Brazed with TiH₂–Ni–TiB₂ Powder Filler

Microstructures and Tensile Properties of New Mg–0.9Zn–0.2Mn–0.5RE Alloys via Different Al Additions

Analysis of changes in gel properties during retrogradation of four kinds of sorghum starch

Effect of exogenous GABA combined with ultrasound treatment on the physicochemical and functional properties of sprouted mung bean starch

Establishing the accuracy of position‐specific carbon isotope analysis of propane by GC‐pyrolysis‐GC‐IRMS

Interface Characteristics and Dynamic Compression Behaviors of Al₃₅Ti₁₅Cr₂₀Mn₂₀Cu₁₀ High‐Entroy Alloy/6061Al Composites Fabricated by Spark Plasma Sintering

A review on the deformation mechanism and formability enhancement strategies in incremental sheet forming

Physicochemical properties and correlation analysis of retrograded starch from different varieties of sorghum

Environmental‐Friendly Polymer for Efficient and Stable Inverted Perovskite Solar Cells with Mitigating Lead Leakage

Local delivery of tumor‐targeting nano‐micelles harboring GSH‐responsive drug release to improve antitumor efficiency

Cellulose accumulation mediated by PbrCSLD5, a cellulose synthase‐like protein, results in cessation of pollen tube growth in Pyrus bretschneideri

Short‐term efficacy and safety of TurboHawk atherectomy for in‐stent restenosis in peripheral artery disease: a single‐centre experience

Understanding the changes in particle size, structure, and functional properties of waxy maize starch after jet‐milling treatments

Concurrent Hardening and Toughening of a Tungsten Heavy Alloy via a Novel Carburizing Cyclic Heat Treatment

Point‐of‐care lung ultrasound in the assessment of patients with COVID‐19: A tutorial

Ultrafine porous boron nitride nanofiber‐toughened WC composites

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