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Addition Al and/or Ti Induced Modifi cations of Microstructures, Mechanical Properties, and Corrosion Properties in CoCrFeNi High-Entropy Alloy Coatings

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Acta Metallurgica Sinica(English Letters) 2021年第8期34卷 1087-1102页

作者： Guoliang Ma Yong Zhao Hongzhi Cui Xiaojie Song Mingliang Wang Kwangmin Lee xiaohua gao Qiang Song Canming Wang School of Materials Science and Engineering Shandong University of Science and TechnologyQingdao 266590China Key Laboratory of Solidifi cation Control and Digital Preparation Technology(Liaoning Province) School of Materials Science and EngineeringDalian University of TechnologyDalian 116024China School of Materials Science and Engineering Chonnam National UniversityGwangju 61186Korea

The purpose of this work is to study the influences of Al and/or Ti addition on the microstructures, mechanical properties and corrosion properties of CoCrFeNi-(Al, Ti) high entropy alloy(HEA) coatings. Three coatings, AlCoCrFeNi(Ⅰ), CoCrFeNiTi_(0.5)(Ⅱ) and AlCoCrFeNiTi_(0.5)(Ⅲ), were fabricated by laser cladding successfully. The AlCoCrFeNi(Ⅰ) coating exhibited a simple body-centered cubic(BCC) solid-solution structure, whereas the CoCrFeNiTi_(0.5)(Ⅱ) alloy exhibited a face-centered cubic(FCC) solid-solution and a small amount of Laves phase. The BCC phases in AlCoCrFeNiTi _(0.5)(Ⅲ) coating were characterized as Fe–Cr rich disordered BCC phases(A2) and Al-Ni–Ti-rich ordered BCC phases(L2_1) separately. The AlCoCrFeNiTi_(0.5)(Ⅲ) coating with dual-phase BCC structure showed the optimal performance of both mechanical and corrosion properties, which was superior to BCC-based AlCoCrFeNi(Ⅰ) and FCC-based CoCrFeNiTi_(0.5)(Ⅱ) coatings. Nanoindentation tests and quantitative investigations on the strengthening mechanisms of AlCoCrFeNiTi_(0.5)(Ⅲ) coating were conducted, suggesting that the precipitation strengthening is the dominant strengthening mechanism. In short, the addition of moderate amount of Al and Ti in CoCrFeNi HEA shows potential for the development of a high strength and corrosion-resistant coating.

关键词： High entropy alloy Laser cladding Corrosion properties Mechanical properties

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日语助动词“た”的多义性及其汉译

外语与外语教学 2007年第11期 58-60页

作者：高晓华大连外国语学院辽宁大连116002

日语助动词「た」在使用中呈现了一种非常多义的现象，这是一般的日语助动词所没有的现象。「た」的这种多义现象与古日语中表现“时”的助动词多，表现精微细致有关。自室町时代起，由于社会的动荡，语言的混乱，表示“时”的助动词「... 详细信息

日语助动词「た」在使用中呈现了一种非常多义的现象，这是一般的日语助动词所没有的现象。「た」的这种多义现象与古日语中表现“时”的助动词多，表现精微细致有关。自室町时代起，由于社会的动荡，语言的混乱，表示“时”的助动词「キ」「ケリ」「ツ」「ヌ」「リ」等逐渐退出语言生活，只有「たり」吸收了这些助动词的大部分语义而依然活跃，其后，又逐渐演变成了现代日语中的「た」。因此，现代日语中的「た」就具有了多种语义。由于「た」所肩负的语义多，因此在译成汉语时，不能完全与汉语中的时态助词“了”相对应。本文采用问卷调查的方式，考察了「た」在不同语义下与汉语“了”的对应情况。

关键词：た了

Phytotoxicity of four herbicides on Ceratophyllum demersum,Vallisneria natans and Elodea nuttallii

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Journal of Environmental Sciences 2009年第3期21卷 307-312页

作者： PAN Huiyun,LI Xiaolu,XU xiaohua,gao Shixiang State Key Laboratory of Pollution Control and Resource Reuse,School of the Environment,Nanjing University,Nanjing 210093,China. State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing 210093 China

The physiological effects of 4 herbicides （butachlor, quinclorac, bensulfuron-methyl and atrazine） on 3 submerged macrophytes （Ceratophyllum demersum, Vallisneria natans and Elodea nuttallii） were tested in laboratory. The variables of the relative growth rate and the photosynthetic pigment content showed that all of the tested herbicides affected the growth of the plants obviously, even at the lowest concentration （0.0001 mg/L）. Except for the C. demersum treated with quinclorac at 0.005 and 0.01 mg/L, the relative growth rates of the plants were inhibited significantly （p 〈 0.01）. Statistical analysis of chlorophyll a （Chl-a） contents was carded out with both the t-test and one-way ANOVA to determine the difference between the treatment and control. The results showed that Chl-a contents of the plants in all treatment groups were affected by herbicides significantly, except for the C. demersum treated with bensulfuron-methyl at 0.0005 mg/L. The decrease in Chl-a content was positively correlated to the dosage of the herbicides in most treatment groups. It was suggested that herbicides in water bodies might potentially affect the growth of aquatic macrophytes. Since the Chl-a content of submerged macrophytes responded to the stress of herbicides sensitively and directly, it could be used as a biomaker in environmental monitoring or in the ecological risk assessment of herbicide contamination.

关键词： phytotoxicity herbicides submerged macrophyte ecological risk assessment

Predicting the risk of Turner syndrome based on ultrasonographic markers in the first trimester of pregnancy

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Chinese Medical Journal 2023年第15期136卷 1879-1881页

作者： xiaohua gao Yongqing Sun Jingjing Wang Qingqing Wu Department of Ultrasound Beijing Obstetrics and Gynecology HospitalCapital Medical UniversityBeijing Maternal and Child Health Care HospitalBeijing 100026China Department of Obstetrics and Gynecology Shanxi Provincial People’s HospitalTaiyuanShanxi 030012China

To the Editor:Turner syndrome is the most common sexchromosome abnormality in females with an incidence of 1 per 2500 female live births,and it is associated with either complete or partial loss of one X chromosome.[1]Predicting the risk of Turner syndrome in the first trimester of pregnancy is of critical importance,in order to provide parturient with reproductive choices for affected fetuses at the earliest opportunity.

关键词： Turner pregnancy trimester

Efficacy of Add-on Montelukast in Nonasthmatic Eosinophilic Bronchitis： The Additive Effect on Airway Inflammation, Cough and Life Quality

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Chinese Medical Journal 2015年第1期128卷 39-45页

作者： Wuping Bao Ping Liu Zhongmin Qiu Li Yu Jingqing Hang xiaohua gao Xin Zhou Department of Respiratory Medicine Shanghai First People's Hospital Shanghai Jiao Tong University Shanghai 200080 China Department of Respiratory Medicine Tongji Hospital Tongji University School of Medicine Shanghai 200065 China Department of Respiratory Medicine Shanghai Putuo People's Hospital Shanghai 200060 China Department of Respiratory Medicine Qingdao Sanatorium Medical Center of Shandong Province Qingdao Shandong 266071 China

Background：The efficacy of montelukast （MONT）,a cysteinyl leukotriene receptor antagonist,in nonasthmatic eosinophilic bronchitis （NAEB）,especially its influence on cough associated life quality is still *** evaluated the efficacy of MONT combined with budesonide （BUD） as compared to BUD monotherapy in improving life quality,suppressing airway eosinophilia and cough remission in NAEB.Methods：A prospective,open-labeled,multicenter,randomized controlled trial was *** with NAEB （aged 18-75 years） were randomized to inhaled BUD （200 μg,bid） or BUD plus oral MONT （10 μg,qn） for 4 *** cough questionnaire （LCQ） life quality scores,cough visual analog scale （CVAS） scores,eosinophil differential ratio （Eos）,and eosinophil cationic protein （ECP） in induced sputum were monitored and compared.Results：The control and MONT groups contained 33 and 32 patients,respectively,with similar baseline *** with-in group improvement in CVAS,LCQ scores,Eos,and ECP was observed in both groups during *** 2-week treatment,add-on treatment of MONT was significantly more effective than BUD monotherapy for CVAS decrease and LCQ scores improvement （both P 〈 0.05）.Similar results were seen at 4-week assessment （both P 〈 0.05）.4-week add-on therapy of MONT also resulted in a higher percentage of patients with normal sputum Eos （〈2.5%） and greater decrease of ECP （both P 〈 0.05）.Conclusions：MONT combined with BUD was demonstrated cooperative effects in improvement of life quality,suppression ofeosinophilic inflammation,and cough remission in patients with NAEB.

关键词： Budesonide Cough Quality of Life Montelukast Bronchitis

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178例盐酸羟考酮药品不良反应文献分析

中国药物警戒 2021年第1期18卷 72-76,99页

作者：高晓华辽宁省朝阳市中心医院辽宁朝阳122000

目的探索盐酸羟考酮致药品不良反应(ADR)的发生原因、特点,找寻规律,为盐酸羟考酮的临床合理使用,及时预防与处理ADR提供参考。方法以“盐酸羟考酮”“药品不良反应”“安全性”和“致”等为检索词,检索中国知网、万方数据、维普网2000... 详细信息

目的探索盐酸羟考酮致药品不良反应(ADR)的发生原因、特点,找寻规律,为盐酸羟考酮的临床合理使用,及时预防与处理ADR提供参考。方法以“盐酸羟考酮”“药品不良反应”“安全性”和“致”等为检索词,检索中国知网、万方数据、维普网2000年9月1日至2019年9月1日盐酸羟考酮ADR相关文献,依纳入与排除标准共筛选出28篇文献,对文献从临床病例进行提取、分类及统计分析。结果筛选后提取病例178例,病例中老年患者比例较高;原患疾病主要为癌性疼痛;ADR涉及胃肠、神经和精神、泌尿、皮肤及附件以及全身性等多个系统损害;临床表现以便秘、恶心、呕吐、头晕、头痛最为突出,其他临床表现有排尿困难、呼吸抑制、骨髓抑制、肝损害等。结论临床使用盐酸羟考酮应关注其ADR的发生,加强用药监测与风险管理,保障患者用药安全。

关键词：盐酸羟考酮药品不良反应文献分析

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外来语词义变化的原因及类型

外语与外语教学 2005年第10期 14-15,21页

作者：高晓华大连外国语学院辽宁大连116002

本文通过大量的考察,对外来语进入日语后发生的词义变化的原因进行了探讨,揭示了外来语进入日语后语义发生变化的规律,并且总结出外来语词义变化的5种类型.即:①与原词词义相同型.②外语原词词义概念大,外来语词义概念小.③与原词词义... 详细信息

本文通过大量的考察,对外来语进入日语后发生的词义变化的原因进行了探讨,揭示了外来语进入日语后语义发生变化的规律,并且总结出外来语词义变化的5种类型.即:①与原词词义相同型.②外语原词词义概念大,外来语词义概念小.③与原词词义有概念和意义上的联系,但又不完全吻合.④外来语词义比原词要广.⑤外来语被赋予了新的词义.并对这5种词义变化类型的成因进行了分析.

关键词：外来语词义

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裂解炉软密封装置的研制

润滑与密封 2005年第3期30卷 143-144页

作者：曹晓华曹小玲王玲玲浙江师范大学教育与技术学院浙江金华321004 上海交通大学机械与动力工程学院上海200030 上海杰蒂玩具有限公司上海201202

分析了乙烯裂解炉传统硬密封方式所存在的问题,研制了一种乙烯裂解炉软密封装置,并对其经济性能进行了分析。该软密封装置在燕山石化一公司的乙烯裂解炉上进行了应用,结果表明产品满足设计和使用要求,性能稳定、质量可靠。

关键词：密封装置研制乙烯裂解炉密封方式经济性能燕山石化性能稳定

40种中草药对美洲鲥源温和气单胞菌的体外抑菌作用研究

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饲料工业 2023年第12期44卷 67-73页

作者：高晓华高玮张明辉上海市水产研究所上海市水产技术推广站上海200433

为筛选出对美洲鲥(Alosa sapidissima)源温和气单胞菌(Aeromonas sobria)体外抑菌效果较好的中草药,采用牛津杯打孔法测定了温和气单胞菌对乌梅(Fructus mume)、苏木(Caesalpinia sap⁃pan)、五倍子(Rhus chinensis)等40种中草药的敏感性... 详细信息

为筛选出对美洲鲥(Alosa sapidissima)源温和气单胞菌(Aeromonas sobria)体外抑菌效果较好的中草药,采用牛津杯打孔法测定了温和气单胞菌对乌梅(Fructus mume)、苏木(Caesalpinia sap⁃pan)、五倍子(Rhus chinensis)等40种中草药的敏感性,并进一步通过微量二倍稀释法以及涂布平板法测定了具有抑菌作用的中草药对温和气单胞菌的最小抑菌质量浓度(Minimum Inhibitory Concen⁃tration,MIC)和最小杀菌质量浓度(Minimum Bactericidal Concentration,MBC)。结果表明:温和气单胞菌对苏木、乌梅、黄连、石榴皮(Punica granatum)、五倍子和地榆(Sanguisorba officinalis)6种中草药为高度敏感,其抑菌圈直径为20.00~28.00 mm,其中苏木的抑菌作用最强,抑菌圈直径为(27.12±0.78)mm,对赤芍(Radix paeoniae rubra)、连翘(Forsythia suspensa)、白头翁(Pulsatilla chinensis)等23种中草药为敏感,其抑菌圈直径为10.00~18.00 mm;对其余11种中草药不敏感。苏木对温和气单胞菌的体外抑菌、杀菌作用最强,其MIC和MBC分别为7.81、15.63 mg/mL;其次为乌梅、黄连、石榴皮和五倍子,其MIC为15.63~31.25 mg/mL,MBC为31.25~62.5 mg/mL;其余中草药对温和气单胞菌的抑杀效果较弱,其MIC和MBC均分别高于31.25 mg/mL和62.5 mg/mL。综上可知,苏木对美洲鲥源温和气单胞菌具有较强的抑菌、杀菌效果。

关键词：中草药温和气单胞菌美洲鲥最小抑菌质量浓度最小杀菌质量浓度抑菌效果