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Journal of Materials Science & Technology 2020年第22期54卷 131-137页

作者： Min Jung Kim Gyeol Chan Kang Sung Hwan Hong Hae Jin Park Sang Chul Muna gian song Ki Buem Kim Department of Nanotechnology and Advanced Materials Engineering Sejong University209 Neungdong-roCwangjin-guSeoul143-747South Korea Division of Advanced Materials Engineering Kongju National UniversityCheonanChungnam330-717South Korea

(AlTa(0.76))xCoCrFeNi(2.1)(x values in molar ratio,x=0.1,0.3,0.5,0.7,1.0,and 1.5) alloys were designed to investigate the microstructure and mechanical properties of the eutectic high entropy alloys(EHEAs)consisting of FCC,B2,and Laves *** on the compositional variatio,clear microstructural variation was observed,as follows:(1) Group 1:FCC dendrite+Laves interdendrite(x=0.1),(2) Group 2:FCC dendrite+fine-eutectic structure consisting of FCC and Laves phases(x=0.3,0.5 and 0.7),(3) Group 3:B2 dendrite+bimodal eutectic structure [FCC/B2+Laves](x=1.0),(4) Group 4:Laves dendrite+eutectic structure consisting of B2 and Laves phases(x=1.5).As the fraction of Laves or B2 phases increases,yield stress increases from 293 to 2336 MPa,while the plastic strain decreases from 50 % to 2%.Thermo-physical parameters,such as mixing entropy(△S(mix)),mixing enthalpy(△H(mix)),valence electron concentration(VEC),and atomic size difference(δr),were calculated to understand the microstructural *** criteria(δr-VEC and δr-△H(mix)) were utilized to elucidate the formation of the eutectic structures in the present EHEAs,revealing the usefulness of the thermo-physical parameters in the development of EHEAs.

关键词： High-entropy alloy Eutectic high-entropy alloy Microstructure Mechanical properties Thermo-physical parameter

Mechanical, deformation and fracture behaviors of bulk metallic glass composites reinforced by spherical B2 particles

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Progress in Natural Science:Materials International 2018年第6期28卷 704-710页

作者： Sung Hwan Hong Jeong Tae Kim Jin Man Park gian song Wei-Min Wang Ki Buem Kim Department of Nanotechnology and Advanced Materials Engineering Sejong University Erich Schmid Institute of Materials Science Austrian Academy of Sciences Global Technology Center (GTC) Samsung Electronics Co. Ltd. 4. Division of Advanced Materials Engineering Kongju National University 5. Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials Ministy of Education Shandong University

Ti45Cu40Ni7Zr5Sn2.5Si0.5alloys were prepared under various cooling rate conditions during *** alloys exhibited different volume fractions of B2 particles with 0～40 vol%in an amorphous *** bulk metallic glass of 1 mm diameter showed no macroscopic plasticity and exhibited the typical vein patterns in a maximum shear stress plane on the fracture ***,a bulk metallic glass composite containing the B2 particles revealed obvious plasticity(～5.6%)with a remarkable work-hardening behavior that resulted from a stress-induced martensitic transformation of the B2 ***,the composite displayed the complicated fracture morphologies containing of three types of fracture *** detailed investigations on the microstructural evolution,mechanical,deformation and fracture characteristics,the influence of B2 particle on overall behavior of the TiCu-based bulk metallic glass composites was elucidated.

关键词： Bulk metallic glass Composite Mechanical properties Martensitic transformation Fracture behavior

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硬质合金小孔电火花加工的实验研究

中北大学学报（自然科学版） 2009年第6期30卷 536-541页

作者：宋文龙邓建新颜培山东大学机械工程学院山东济南250061

在DZW-10微细电火花加工实验机上进行了硬质合金YG8、YT5等难加工材料的小孔加工实验,研究了电容及电压等电参数对加工速度、电极损耗率、小孔孔径扩大率等加工工艺指标的影响,分析了电参数对加工性能的影响机理,并在所设实验条件下得... 详细信息

在DZW-10微细电火花加工实验机上进行了硬质合金YG8、YT5等难加工材料的小孔加工实验,研究了电容及电压等电参数对加工速度、电极损耗率、小孔孔径扩大率等加工工艺指标的影响,分析了电参数对加工性能的影响机理,并在所设实验条件下得到了具有最佳加工性能的电参数.结果表明:合理配置加工电参数,尤其是电容值,可以显著改善硬质合金难加工材料的加工工艺性能.研究可以为其它难加工材料的电火花加工提供具体工艺参考及理论指导.

关键词：电火花加工小孔加工硬质合金电参数加工性能

不同CO_2浓度对大空间液体培养无糖菊花组培苗生长特性的研究

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北方园艺 2009年第1期 62-64页

作者：宋越冬马明建山东理工大学轻工与农业工程学院山东淄博255049

在自行研制的大空间组培苗栽培系统内测定了不同CO2浓度对菊花组培苗生长的影响。结果表明:适当加施CO2对无糖菊花组培苗的生长有促进作用,CO2浓度为1 600μmol/mol最为适宜。

关键词：开放空间无糖组培苗液体培养 CO2浓度

Changes in the sugars,amino acids and organic acids of postharvest sperminetreated immature vegetable soybean(Glycine max ***.)as determined by^(1)H NMR spectroscopy

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食物生产加工与营养(英文) 2020年第1期2卷 62-71页

作者： Jiangfeng song Gang Wu Tao Li Chunquan Liu Dajing Li Institute of Farm Product Processing Jiangsu Academy of Agricultural SciencesNanjing 210014P.R.China Jiangsu gian Food Co. Ltd.Nantong 226363P.R.China Dongtai Lvjiayuan Food Co.Ltd. Yancheng 224005P.R.China

^(1)H NMR spectroscopy was adopted to determine compositional changes(mainly sugars,organic acids and amino acids)involved in cold-stored immature soybean grains after exogenous spermine *** changes of sugars,including sucrose,galactose,myo-inositol,glucose and fructose were detected in soybean after spermine *** for the organic acids related to tricarboxylic acid cycle,the levels of malic and fumaric acids decreased but the level of citric acid ***,no significant changes were observed for amino acids in spermine-treated *** using metabolic profile analysis,a difference was observed between the aging of soybean grains as such and those treated with *** study provides an insight into the accumulation of metabolites in postharvest immature soybeans after exogenous spermine-treatment.

关键词： Exogenous spermine Vegetable soybean Sugars Amino acids Organic acids Cold storage

Correction to:Changes in the sugars,amino acids and organic acids of postharvest sperminetreated immature vegetable soybean(Glycine max ***.)as determined by^(1)H NMR spectroscopy

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食物生产加工与营养(英文) 2020年第1期2卷 160-161页

Correction:Food Production,Processing and Nutrition 2,7(2020)https://***/10.1186/s43014-020-00021-1 Following publication of the original article(song et al.2020),the authors realised the Fig.1 was not very *** clear ... 详细信息

关键词： sugar spectroscopy soybean

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格兰-泰勒棱镜透射光强分布研究

光子学报 2005年第12期34卷 1881-1884页

作者：朱化凤宋连科彭捍东郑春红曲阜师范大学激光研究所山东曲阜273165 青岛建筑工程学院数理系山东青岛266033

从棱镜的结构特点出发,结合菲涅耳定律和等厚干涉原理,导出了格兰泰勒棱镜透射光强分布的有关公式,分析了在平面光波和会聚光束入射时,光强分布特征,并进行了实验测试,测试结果与理论结果相一致.理论和实验结果表明:平面光波入射时,产... 详细信息

从棱镜的结构特点出发,结合菲涅耳定律和等厚干涉原理,导出了格兰泰勒棱镜透射光强分布的有关公式,分析了在平面光波和会聚光束入射时,光强分布特征,并进行了实验测试,测试结果与理论结果相一致.理论和实验结果表明:平面光波入射时,产生等间距和等相衬度的条纹;发散光束入射时一般产生不平行的、宽度和相衬度连续变化的条纹.

关键词：偏光棱镜能量反射比光强分布条纹

催奶灵注射液对溴隐亭诱发大鼠缺乳的治疗作用

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华南农业大学学报 2011年第2期32卷 113-115页

作者：宋敏麦晨陈婉文黄显会张云付美琴唐国洋华南农业大学兽医学院广东广州510642 广州环球生物药品有限公司广东广州510430

为了研究催奶灵注射液对哺乳期大鼠的催乳作用,采用母大鼠灌服溴隐亭建立缺乳模型,观察不同剂量的催奶灵注射液对哺乳期缺乳母鼠泌乳量、乳腺组织的影响,以及对仔鼠体质量增长的促进作用.试验结果表明,中剂量的催奶灵注射液,即母鼠腹腔... 详细信息

为了研究催奶灵注射液对哺乳期大鼠的催乳作用,采用母大鼠灌服溴隐亭建立缺乳模型,观察不同剂量的催奶灵注射液对哺乳期缺乳母鼠泌乳量、乳腺组织的影响,以及对仔鼠体质量增长的促进作用.试验结果表明,中剂量的催奶灵注射液,即母鼠腹腔注射催奶灵注射液0.90 g/kg可显著对抗溴隐亭引起的母鼠泌乳量减少,增加缺乳母大鼠的泌乳量,明显对抗溴隐亭引起的大鼠乳腺萎缩,并显著提高其仔鼠体质量增长率.说明注射催奶灵注射液0.90 g/kg对溴隐亭诱发的哺乳期缺乳大鼠有治疗作用.

关键词：产后缺乳催奶灵注射液溴隐亭催乳作用大鼠