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Ultrasonic-assisted vibration tapping using taps with different coatings

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中国有色金属学会会刊：英文版 2012年第S3期22卷 764-768页

作者： Chung-chen TSAO Kei-lin kuo Tahua University of Science and Technology National Taipei University of Technology

A machine vision for assessing and inspecting the ratio of thread areas associated with fixed frequency (FF) and limited tracing frequency (LTF) ultrasonic-assisted vibration was presented using differently coated taps after tapping of Ti-6Al-4V *** results indicate that TiAlN Micran taps yield the best tapping quality for different coatings and tapping *** Micran coated taps with LTF make the largest improvement over traditional tapping (TT),with an average increase of 30.2%.

关键词： tapping fixed frequency limited tracing frequency Ti-6Al-4V alloys

Myoepithelial carcinoma of the stomach: A diagnostic pitfall

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World Journal of Gastroenterology 2015年第14期21卷 4391-4396页

作者： chih-En Tseng Yu-Hsi Hsieh Chang-kuo Wei Hsuan-Ying Huang Chen-lin chi Department of Pathology Buddhist Dalin Tzu Chi Hospital School of Medicine Tzu Chi University Department of Gastroenterology Buddhist Dalin Tzu Chi Hospital Department of General Surgery Buddhist Dalin Tzu Chi Hospital Department of Anatomical Pathology Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine

Myoepithelioma/myoepithelial carcinomas are not commonly found in soft tissues and are especially rare at visceral *** report describes a case of a rare low-grade myoepithelial carcinoma of the stomach.A61-year-old female patient presented with postprandial abdominal *** revealed a 1.1 cm submucosal *** excision was performed after malignancy was confirmed by *** resection margin is free of tumor and she received no adjuvant *** tumor was characterized by multinodular growth with biphasic epithelioid and spindle *** margin and nuclear pleomorphism are *** cells were positive for both epithelial and myoepithelial *** of epithelial differentiation was confirmed by electron *** EWSR1 rearrangement was *** final diagnosis was low-grade myoepithelial gastric *** patient is currently well, and no evidence of recurrence or metastasis was found after ten-month of *** carcinoma should be considered in the differential diagnosis of a biphasic gastric tumor.

关键词： Myoepithelioma Myoepithelial carcinoma Stomach

Treadmill exercise in combination with acousto-optic and olfactory stimulation improves cognitive function in APP/PS1 mice through the brain-derived neurotrophic factor-and Cygb-associated signaling pathways

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Neural Regeneration Research 2025年第9期20卷 2706-2726页

作者： Biao Xiao Chaoyang Chu Zhicheng lin Tianyuan Fang Yuyu Zhou Chuxia Zhang Jianghui Shan Shiyu Chen Liping Li Department of Physiology and Pharmacology Health Science CenterNingbo UniversityNingboZhejiang ProvinceChina Ningbo Key Laboratory of Behavioral Neuroscience Health Science CenterNingbo UniversityNingboZhejiang ProvinceChina Key Laboratory of Addiction Research of Zhejiang Province NingboZhejiang ProvinceChina

A reduction in adult neurogenesis is associated with behavioral abnormalities in patients with Alzheimer's ***,enhancing adult neurogenesis represents a promising therapeutic approach for mitigating disease symptoms and ***,nonpharmacological interventions aimed at inducing adult neurogenesis are currently *** individual non-pharmacological interventions,such as aerobic exercise,acousto-optic stimulation,and olfactory stimulation,have shown limited capacity to improve neurogenesis and cognitive function in patients with Alzheimer's disease,the therapeutic effect of a strategy that combines these interventions has not been fully *** this study,we observed an age-dependent decrease in adult neurogenesis and a concurrent increase in amyloid-beta accumulation in the hippocampus of amyloid precursor protein/presenilin 1 mice aged 2-8 *** deposition became evident at 4 months,while neurogenesis declined by 6 months,further deteriorating as the disease ***,following a 4-week multifactor stimulation protocol,which encompassed treadmill running(46 min/d,10 m/min,6 days per week),40 Hz acousto-optic stimulation(1 hour/day,6 days/week),and olfactory stimulation(1 hour/day,6 days/week),we found a significant increase in the number of newborn cells(5'-bromo-2'-deoxyuridine-positive cells),immature neurons(doublecortin-positive cells),newborn immature neurons(5'-bromo-2'-deoxyuridine-positive/doublecortin-positive cells),and newborn astrocytes(5'-bromo-2'-deoxyuridine-positive/glial fibrillary acidic protein-positive cells).Additionally,the amyloid-beta load in the hippocampus *** findings suggest that multifactor stimulation can enhance adult hippocampal neurogenesis and mitigate amyloid-beta neuropathology in amyloid precursor protein/presenilin 1 ***,cognitive abilities were improved,and depressive symptoms were alleviated in amyloid precursor protein/presenilin 1 mice

关键词： acousto-optic stimulation adult neurogenesis Alzheimer's disease amyloid precursor protein/presenilin 1 mice amyloid-beta deposition brain cell apoptosis cognitive impairment depression-like behavior involuntary treadmill exercise olfactory stimulation serum metabolites

Triboelectric nanogenerators as wearable power sources and self-powered sensors

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National Science Review 2023年第1期10卷 28-48页

作者： Xiong Pu chi Zhang Zhong lin Wang CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-Nano Energy and Sensor Beijing Institute of Nanoenergy and NanosystemsChinese Academy of Sciences School of Nanoscience and Technology University of Chinese Academy of Sciences School of Materials Science and Engineering College of EngineeringGeorgia Institute of Technology

Smart we arable technologies are augmenting human bodies beyond our biological capabilities in communication,healthcare and *** supply and information acquisition are essential for wearable electronics,whereas the increasing demands in multifunction are raising the requirements for energy and sensor *** triboelectric nanogenerator(TENG),proven to be able to convert various mechanical energies into electricity,can fulfill either of these two functions and therefore has drawn extensive attention and research efforts *** everyday life of a human body produces considerable mechanical energies and,in the meantime,the human body communicates mainly through mechanical signals,such as sound,body gestures and muscle ***,the TENG has been intensively studied to serve as either wearable sources or wearable self-powered ***,the recent finding on the fundamental understanding of TENGs is revisited briefly,followed by a summary of recent advancements in TENG-based wearable power sources and self-powered *** challenges and prospects of this area are given as well.

关键词： triboelectric nanogenerators power sources self-powered sensors wearable electronics

Ru/NiMnB spherical cluster pillar for highly proficient green hydrogen electrocatalyst at high current density

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Journal of Energy Chemistry 2025年第1期100卷 397-408页

作者： Md Ahasan Habib Shusen lin Mehedi Hasan Joni Sumiya Akter Dristy Rutuja Mandavkar Jae-Hun Jeong Jihoon Lee Department of Electronic Engineering College of Electronics and Information Kwangwoon University

Advanced OER/HER electrocatalytic alternatives are crucial for the wide adaptation of green hydrogen ***,Ru/NiMnB spherical cluster pillar （SCP）,denoted as Ru/NiMnB,is synthesized using a combination of electro-deposition and hydrothermal *** investigation of Ru doping in the NiMnB matrix revealed significant improvements in electrocatalytic *** Ru/NiMnB SCPs demonstrate superior OER/HER activity with low overpotentials of 150 and 103 mV at 50mA/cm2in 1 M KOH,making them highly competitive with state-of-the-art ***,the Ru/NiMnB SCPs exhibit a low 2-E cell voltage of 2.80 V at ultra-high current density of 2,000 m A/cm2in 1 M KOH,outperforming the standard benchmark electrodes of RuO2||Pt/C,thereby positioning Ru/NiMnB as one of the best bifunctional *** SCPs exhibit exceptional high-current characteristics,stability and corrosion resistance,as evidenced by continuous operation at 1,000 mA/cm2high-current density for over 150 h in 6 M KOH at elevated temperatures under harsh industrial *** a small amount of Ru incorporation significantly enhances the electrocatalytic performances of NiMnB,attributed to increased active sites and improved intrinsic properties such as conductivity,adsorption/desorption capability and reaction ***,Ru/NiMnB SCPs present a promising bi-functional electrode concept for efficient green H2production.

关键词： Advanced electrocatalyst High current Corrosion resistance Industrial requirement

Experiment on microscale flames stabilized on surface of annular porous media

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航空动力学报 2017年第12期32卷 2955-2963页

作者： lin Peihua lin Yuzhen XUE Xin ZHANG Liang ZHANG chi National Key Laboratory of Science and Technology on Aero-Engine Aero-thermodynamics School of Energy and Power EngineeringBeijing University of Aeronautics and AstronauticsBeijing 100191China

The characteristics of the surface-stabilized flame on a porous medium in an annular microscale channel were studied experimentally with methane/air *** the pressure drop characteristic study,three porous media with the same pore diameter and different porosities were used and *** substitution of the air for the mixture was verified accurately at *** the relationship expression of the air pressure drop characteristic was acquired for each porous medium according to the Forcheimer *** third porous medium was selected for the following research,as it had the expression closer to the Darcy's *** for the ignition characteristic study of the surface-stabilized flame,a reasonable criterion was established for the flammability limit *** on the criterion,the result showed that the limit reached the minimum value when the mixture equivalence ratio was *** the extinction characteristic study,through the well-designed operating procedure,the experiment was conducted to obtain the strict extinction limit of the surfacestabilized *** was indicated that the extinction limit at mixture equivalence ratio of 0.8 was the least.

关键词：高旋转数通道转角梯形回转通道换热特性

A bio-inspired optical imaging method for robotic perception in turbid water

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Science china Technological Sciences 2025年第1期 79-81页

作者： Xudong SUN Yafeng LI Peng lin Xiaodi SHANG Xianping FU School of Information Science and Technology Dalian Maritime University College of Computer Science and Technology Qingdao University

In the realm of underwater robotics, optical imaging plays a pivotal role in many scientific researches. Due to the effects of absorption and scattering,images captured in turbid water are severely degraded. Therefore, enhancing the quality of underwater optical images stands paramount in ensuring the continued advancement and efficacy of underwater robots across its multifarious applications.

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Non-coding RNAs in acute ischemic stroke:from brain to periphery

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Neural Regeneration Research 2025年第1期20卷 116-129页

作者： Shuo Li Zhaohan Xu Shiyao Zhang Huiling Sun Xiaodan Qin lin Zhu Teng Jiang Junshan Zhou Fuling Yan Qiwen Deng Department of Neurology Nanjing First HospitalNanjing Medical UniversityNanjingJiangsu ProvinceChina Department of Neurology Zhongda HospitalSchool of MedicineSoutheast UniversityNanjingJiangsu ProvinceChina General Clinical Research Center Nanjing First HospitalNanjing Medical UniversityNanjingJiangsu ProvinceChina

Acute ischemic stroke is a clinical emergency and a condition with high morbidity,mortality,and *** predictive,diagnostic,and prognostic biomarkers and effective therapeutic targets for acute ischemic stroke remain *** innovations in high-throughput gene sequencing analysis,many aberrantly expressed non-coding RNAs(ncRNAs)in the brain and peripheral blood after acute ischemic stroke have been found in clinical samples and experimental *** expressed ncRNAs in the post-stroke brain were demonstrated to play vital roles in pathological processes,leading to neuroprotection or deterioration,thus ncRNAs can serve as therapeutic targets in acute ischemic ***,distinctly expressed ncRNAs in the peripheral blood can be used as biomarkers for acute ischemic stroke prediction,diagnosis,and *** particular,ncRNAs in peripheral immune cells were recently shown to be involved in the peripheral and brain immune response after acute ischemic *** this review,we consolidate the latest progress of research into the roles of ncRNAs(microRNAs,long ncRNAs,and circular RNAs)in the pathological processes of acute ischemic stroke–induced brain damage,as well as the potential of these ncRNAs to act as biomarkers for acute ischemic stroke prediction,diagnosis,and *** from this review will provide novel ideas for the clinical application of ncRNAs in acute ischemic stroke.

关键词： acute ischemic stroke apoptosis blood–brain barrier damage circular RNAs excitatory toxicity long non-coding RNAs microRNAs neuroinflammation non-coding RNAs oxidative stress

Mechanical properties and microstructure of multilayer graphene oxide cement mortar

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Frontiers of Structural and Civil Engineering 2021年第4期15卷 1058-1070页

作者： Jun LIU Luxi ZHAO Fei CHANG lin chi School of Environment and Architecture University of Shanghai for Science and TechnologyShanghai200093China

This study reports on the effects of multilayer graphene oxide(MGO)on compressive strength,flexural strength,and microstructure of cement *** cement mortar was prepared with type ***.52.5 Portland cement,standard sand,and *** mixes were prepared with inclusion of MGO(0%,0.02%,0.04%,and 0.06%by weight of cement).The testing result shows that the compressive of GO-cement mortar increased by 4.84%–13.42%,and the flexural strength increased by 4.37%–8.28%at 3 ***-cement mortar’s compressive strength and flexural strength at 7 d increased by 3.84%–12.08%and 2.54%–13.43%,*** made little contribution to the increases of compressive strength and flexural strength of cement mortar at 28 *** results of X-ray diffraction(XRD),scanning electron microscope(SEM),and nitrogen(N2)adsorption/desorption tests show that the types of hydration products and crystal grain size did not change after adding ***,it can help to improve the microstructure of the cement mortar via regulating hydration products and can provide more condensed cores to accelerate ***,the regulating action of MGO for the microstructure of cement mortar at an early age was better than that at 28 d.

关键词： graphene oxide cement mortar mechanical properties microstructure