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Morphology engineering of ZnO micro/nanostructures under mild conditions for optoelectronic application

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 498-503页

作者： liang Chu Haoyu Shen Hudie Wei Hongyu Chen Guoqiang Ma wensheng yan Institute of Carbon Neutrality and New Energy&School of Electronics and Information Hangzhou Dianzi UniversityHangzhou 310018China School of Applied Physics and Materials Wuyi UniversityJiangmen 529020China

Zinc oxide(ZnO)serves as a crucial functional semiconductor with a wide direct bandgap of approximately 3.37 *** reaction is commonly used in the synthesis of ZnO micro/nanostructures,given its low cost,simplicity,and easy ***,ZnO morphology engineering has become desirable through the alteration of minor conditions in the reaction process,particularly at room *** this work,ZnO micro/nanostructures were synthesized in a solution by varying the amounts of the ammonia added at low temperatures(including room temperature).The formation of Zn^(2+)complexes by ammonia in the precursor regulated the reaction rate of the morphology engineering of ZnO,which resulted in various structures,such as nanoparticles,nanosheets,microflowers,and single ***,the obtained ZnO was used in the optoelectronic application of ultraviolet detectors.

关键词： morphology engineering low temperature ZnO nanosheets microflowers ultraviolet detector

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自由式预应力锚索加固效应的数值试验研究

中国矿业 2010年第6期19卷 67-69,78页

作者：温彦良常来山辽宁科技大学资源与土木工程学院辽宁鞍山114051

采用数值仿真试验的方法,通过改变垫墩尺寸、施加不同的预应力的方式,研究自由式预应力锚索对岩体的加固效应。研究结果表明,在预应力作用下,垫墩处和锚固段岩体内形成两个应力集中区,其应力集中程度取决于预应力的大小与垫墩的尺寸。... 详细信息

采用数值仿真试验的方法,通过改变垫墩尺寸、施加不同的预应力的方式,研究自由式预应力锚索对岩体的加固效应。研究结果表明,在预应力作用下,垫墩处和锚固段岩体内形成两个应力集中区,其应力集中程度取决于预应力的大小与垫墩的尺寸。垫墩尺寸越小,预应力越高,应力集中程度越高。锚索的轴力在自由段均匀分布,在锚固段逐渐降低。在预应力损失方面,预应力损失的程度与垫墩的尺寸大小关系密切,垫墩尺寸越大,预应力损失越少;而与预应力的关系较小。为预应力锚固的工程设计和理论研究提供了参考作用。

关键词：自由式式预应力锚索垫墩预应力损失数值试验

Establishing a new testing protocol of the electrochemical stability window for electric double-layer capacitors

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Science China Chemistry 2025年第01期 217-225页

作者： Ruilin Hou Xiaoxi Zhao Tingting liang Qingyun Dou Shan Xu Xingbin yan School of Materials Science and Engineering Sun Yat-sen University Laboratory of Clean Energy Chemistry and Materials Lanzhou Institute of Chemical Physics Chinese Academy of Sciences College of Engineering and Applied Sciences Nanjing University Center of Industrial Analysis and Testing Guangdong Academy of Science

The electrochemical stability window(ESW) is crucial for determining the energy density of electric double-layer capacitors(EDLCs). However, current ESW testing protocols of EDLCs are strongly affected by artificial factors, thereby leading to unreliable result. To solve this problem, we first identify the key shortcomings of the traditional protocols by analyzing their test principles. Subsequently, taking an aqueous carbon-based EDLC as an example, we design a side reaction descriptor to represent the response difference in the charging capacitance to side reactions between the cyclic voltammetry and galvanostatic chargedischarge methods. With the aid of this descriptor, we propose a new ESW testing protocol, which is not only able to completely avoid the adverse influence of subjective factors but also fully consider the operating condition limitations. The protocol can be extended from the single electrode to the full device. This work proposes a more rigorous definition of ESW and provides a reliable protocol for evaluating the ESW of EDLCs.

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Based on non-targeted metabolomics for differential components screening of Rosae Chinensis Flos and Rosae Rugosae Flos and their quality evaluation

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Traditional Medicine Research 2025年第2期10卷 1-15页

作者： Xu liang Ni-Hui Zhang Zhi-Lai Zhan Guang-Lu Chang yan Gao Xia Li wen-Yuan Gao School of Pharmaceutical Science and Technology Faculty of MedicineTianjin UniversityTianjin 300193China State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs China Academy of Chinese Medical SciencesBeijing 100700China Key Laboratory of Modern Chinese Medicine Resources Research Enterprises Tianjin 300402China

Background:Rosa chinensis *** Rosa rugosa *** not only of ornamental value,but also edible flowers and the flower buds have been listed in the Chinese Pharmacopoeia as traditional *** two plants have some differences in efficacy,but the flower buds are easily confused for similar *** addition,large-scale cultivation of ornamental rose flowers may lead to a decrease in the effective components of medicinal ***,it is necessary to study the chemical composition and make quality evaluation of Rosae Chinensis Flos(Yueji)and Rosae Rugosae Flos(Meigui).Methods:In this study,40 batches of samples including Meigui and Yueji from different regions in China were collected to establish high-performance liquid chromatography ***,the fingerprints data was analyzed using principal component analysis,hierarchical cluster analysis,and partial least squares discriminant analysis analysis chemometrics to obtain information on intergroup differences,and non-targeted metabolomic techniques were applied to identify and compare chemical compositions of samples which were chosen from groups with large *** compounds were screened by orthogonal partial least-squares discriminant analysis and S-plot,and finally multi-component quantification was performed to comprehensively evaluate the quality of Yueji and ***:The similarity between the fingerprints of 40 batches roses and the reference print R was 0.73 to 0.93,indicating that there were similarities and differences between the *** principal component analysis and hierarchical cluster analysis of fingerprints data,the samples from different origins and varieties were intuitively divided into four *** least-squares discriminant analysis analysis showed that Meigui and Yueji cluster into two categories and the model was reliable.A total of 89 compounds were identified by high resolution mass spectrometry,mainly were flavonoids and flavon

关键词： Rosa chinensis Jacq. Rosa rugosa Thunb. metabolomics chemometrics multiple component quantification quality evaluation

MoS_(2)Lubricate‑Toughened MXene/ANF Composites for Multifunctional Electromagnetic Interference Shielding

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Nano-Micro Letters 2025年第2期17卷 358-371页

作者： Jiaen Wang Wei Ming Longfu Chen Tianliang Song Moxi Yele Hao Zhang Long yang Gegen Sarula Benliang liang Luting yan Guangsheng Wang School of Physical Science and Engineering Beijing Jiaotong UniversityBeijing 100044People’s Republic of China Key Laboratory of Bio‑Inspired Smart Interfacial Science and Technology of Ministry of Education School of ChemistryBeihang UniversityBeijing 100191People’s Republic of China

The design and fabrication of high toughness electromagnetic interference(EMI)shielding composite films with diminished reflection are an imperative task to solve electromagnetic pollution *** MXene/ANF(aramid nanofibers)–MoS_(2)composite films with nacre-like layered structure here are fabricated after the introduction of MoS_(2)into binary MXene/ANF composite *** introduction of MoS_(2)fulfills an impressive“kill three birds with one stone”improvement effect:lubrication toughening mechanical performance,reduction in secondary reflection pollution of electromagnetic wave,and improvement in the performance of photothermal *** the introduction of MoS_(2)into binary MXene/ANF(mass ratio of 50:50),the strain to failure and tensile strength increase from 22.1±1.7%and 105.7±6.4 MPa and to 25.8±0.7%and 167.3±9.1 MPa,*** toughness elevates from 13.0±4.1 to 26.3±0.8 MJ m^(−3)(~102.3%)*** the reflection shielding effectiveness(SE_(R))of MXene/ANF(mass ratio of 50:50)decreases~10.8%.EMI shielding effectiveness(EMI SE)elevates to 41.0 dB(8.2–12.4 GHz);After the introduction of MoS_(2)into binary MXene/ANF(mass ratio of 60:40),the strain to failure increases from 18.3±1.9%to 28.1±0.7%(~53.5%),the SE_(R)decreases~22.2%,and the corresponding EMI SE is 43.9 *** MoS_(2)also leads to a more efficient photothermal conversion performance(~45 to~55℃).Additionally,MXene/ANF–MoS_(2)composite films exhibit excellent electric heating performance,quick temperature elevation(15 s),excellent cycle stability(2,2.5,and 3 V),and long-term stability(2520 s).Combining with excellent mechanical performance with high MXene content,electric heating performance,and photothermal conversion performance,EMI shielding ternary MXene/ANF–MoS_(2)composite films could be applied in many industrial *** work broadens how to achieve a balance between mechanical properties and versatility of composites in the case of high-function fillers.

关键词： MXene-MoS_(2) Lubrication toughening EMI shielding Photothermal conversion Electric heating performance

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母细胞性浆细胞样树状突细胞肿瘤

临床皮肤科杂志 2013年第9期42卷 536-538页

作者：张敏颜文良胡文星邓德权谢其美桑红南京军区南京总医院皮肤科江苏南京210002

报告1例母细胞性浆细胞样树状突细胞肿瘤。患者男,62岁。以皮肤最先受累,后很快累及全身系统。皮损组织病理学特点为真皮内肿瘤细胞弥漫性浸润,免疫组化显示CD43(+++)、CD4(++)、CD123(++)、CD56(++)。诊断:母细胞性浆细胞样树状突细胞... 详细信息

报告1例母细胞性浆细胞样树状突细胞肿瘤。患者男,62岁。以皮肤最先受累,后很快累及全身系统。皮损组织病理学特点为真皮内肿瘤细胞弥漫性浸润,免疫组化显示CD43(+++)、CD4(++)、CD123(++)、CD56(++)。诊断:母细胞性浆细胞样树状突细胞肿瘤。

关键词：母细胞性浆细胞样树状突细胞肿瘤

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基于模式识别的煤与瓦斯突出危险性概率预测

煤炭工程 2011年第2期43卷 79-81页

作者：温彦良李胜常来山辽宁科技大学资源与土木工程学院辽宁鞍山114051 辽宁工程技术大学资源与环境工程学院辽宁阜新123000

通过统计分析,以活动构造、最大主应力、瓦斯压力和瓦斯含量等主要因素作为煤与瓦斯突出的主要判据,建立突出预测模式识别的准则与模型,用模式识别的方法实现了煤层突出危险性的分单元概率预测,进而划分出突出危险区、威胁区和安全区,... 详细信息

通过统计分析,以活动构造、最大主应力、瓦斯压力和瓦斯含量等主要因素作为煤与瓦斯突出的主要判据,建立突出预测模式识别的准则与模型,用模式识别的方法实现了煤层突出危险性的分单元概率预测,进而划分出突出危险区、威胁区和安全区,克服了单一指标预测结果的不确定性,同时实现了多指标定量化的预测,提高了预测效果的可靠性。

关键词：模式识别煤与瓦斯突出概率预测谢一矿

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弹塑性有限元在加筋土挡墙中的应用

天津大学学报（自然科学与工程技术版） 2002年第5期35卷 596-600页

作者：吕文良闫澍旺刘润天津大学建筑工程学院天津300072

以加筋土挡墙楔体破坏模式为基础 ,提出一种弹塑性有限元分析方法 ,并建立了相应的力学模型 .土体用Mohr Coulomb模型模拟 ,筋材用理想弹塑性弹簧模型模拟 ,面板用线弹性弹簧模型模拟。

关键词：弹塑性有限元加筋土挡墙力学模型加筋效果楔体破坏模式 Mohr-Coulomb模型弹簧模型

石嘴山市儿童末梢全血中铅、镉含量及相关因素分析

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中国妇幼保健 2012年第35期27卷 5723-5725页

作者：温碧艳梁春燕宁夏石嘴山市妇幼保健院检验科 753000

目的:了解石嘴山市儿童血铅、镉含量水平,分析异常者的相关因素。方法:选择2010年7月～2011年9月就诊的1 077例儿童,按年龄分成婴儿组、幼儿组、学龄前组和学龄期组,使用BH2100T系列原子吸收光谱仪对儿童末梢全血中铅、镉进行分析,对异... 详细信息

目的:了解石嘴山市儿童血铅、镉含量水平,分析异常者的相关因素。方法:选择2010年7月～2011年9月就诊的1 077例儿童,按年龄分成婴儿组、幼儿组、学龄前组和学龄期组,使用BH2100T系列原子吸收光谱仪对儿童末梢全血中铅、镉进行分析,对异常者进行病因学调查。结果:各组儿童血镉含量均在正常范围内。幼儿组、学龄前组及学龄组儿童血铅增高率及增高水平差异有统计学意义(P<0.05,P<0.01),各组血铅异常儿童的男、女比例无差异;幼儿组、学龄前组及学龄组血铅增高者主要与不良习惯及居住环境有关,占比均超过70%。结论:石嘴山市儿童血铅升高水平及升高率随着年龄增大而升高,主要与不良习惯及居住环境有关。因而应改善环境,改变不良习惯及注意均衡饮食,合理补充微量元素,保证儿童健康成长。

关键词：儿童微量元素末梢全血