检索结果-南通市图书馆

Investigation of 'chazi'(damaged-enamels)on Chenghua doucai Porcelains

science china(Technological sciences) 2009年第6期52卷 1722-1729页

作者： du feng1 & {2. baoru2.1 institute of chemistry & molecular Engineering,qingdao university of science & technology,qingdao,{12. 2.College of Information science & technology,qingdao university of science & technology,qingdao,{12. institute of chemistry & {2. Engineering Qingdao University of Science & Technology Qingdao China College of Information science & technology Qingdao University of Science & Technology Qingdao China

At the end of the 1950s,sun Yingzhou considered that the 'chazi'(damaged colour)on Chenghua doucai imperial porcelain as a defect was originally produced in firing process during Chenghua period(1465―1487).Researchers in china have accepted his *** any fragment with the 'chazi' has never been found in several tons of Chenghua imperial sherds excavated from Ming imperial kiln site in *** china,few scholars have questioned the formation of 'chazi',and further investigated *** researchers at the Research Laboratory in the British Museum,employing unde-structive EDXRF,have analyzed the chemical composition of the 'chazi'(damaged colour)on a Chen-ghua doucai stem cup in the museum,and they have confirmed that the 'chazi'(damaged colour)was caused by the fire of the Jianfu palace in the Forbidden City in *** on their research,the authors studied the colour chemical principle of the 'chazi's' formation *** to the ceramic technology principle,scientific reasoning for the 'chazi' was carried *** the help of the history of Qing court,the brainteaser of the 'chazi' was totally uncovered,the misunderstanding for the 'chazi' has also been *** research also suggests that employing modern science and technology is a direction to study Chinese ancient ceramic further.

关键词： Chenghua doucai porcelains court eunuchs the set on fire at the Jianfu palace ’chazi’(damaged-enamels) the British Museum colour chemical principle archaeology using science and technology

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Further study of sources of the imported cobalt-blue pigment used on Jingdezhen porcelain from late 13 to early 15 centuries

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science china(Technological sciences) 2008年第3期51卷 249-259页

作者： du feng1 & {2. baoru2.1 institute of chemistry & molecular Engineering, qingdao university of science & technology, qingdao 2.6000, china 2.College of Information science technology, qingdao university of science & technology, qingdao 2.6000, china institute of chemistry & {2. Engineering Qingdao University of Science & Technology Qingdao China College of Information science technology Qingdao University of Science & Technology Qingdao China

Based on the conclusion of modern scientific analysis: the cobalt-blue pigment applied on Jingdezhen official porcelain during Yuan Dynasty and prior to Xuande reign of Ming Dynasty (12.1―142.) contains high iron and low manganese con- tents, and the cobalt during Xuande and after Xuande periods (after 142.) of Ming Dynasty contains high manganese and low iron contents, in combination with the traditional archaeological method, the related historical textual records were in- vestigated and analyzed, the imported cobalt employed on Jingdezhen official porcelain was studied comprehensively, systematically and logically. In fact, 'su Ma Li Qing' (Samarra-blue) and 'su Bo Ni Qing' (sumatra-blue) are definitely different cobalt ores originated in different places, because of their very similar translitera- tions in Chinese, the confusion has appeared in ancient books for more than 400 years, which considered 'su Ma Li Qing' and 'su Bo Ni Qing' as the same co- balt-blue pigment. In this article the mistake was corrected, the possible producing places and the approximate eras of the two pigments imported to china and used at Jingdezhen were also suggested.

关键词： imported cobalt-blue pigments employed on official blue-and-white porcelain Yuan Dynasty early Ming Dy- nasty Mn/Fe content ratio su Ma Li Qing (Samarra-blue) su Bo Ni Qing (sumatra-blue) scientific archae- ological research transliteration

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Effect of nucleating agents on the electrical properties of cross-linked polyethylene under tensile stress

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High Voltage 2024年第2期9卷 429-439页

作者： Yunqi Xing Jiahao Liu Jingang su Junwei Zha Guochang Li Ze Guo Xiaozhen Zhao Mengjia feng State Key Laboratory of Reliability and Intelligence of Electrical Equipment Hebei University of TechnologyTianjinChina Electric Power Research institute of State Grid Hebei Electric Power supply Co. Ltd.ShijiazhuangChina Beijing Advanced Innovation Center for Materials Genome Engineering School of Chemistry and Biological EngineeringUniversity of Science&Technology BeijingBeijingChina institute of Advanced Electrical Materials Qingdao University of Science and TechnologyQingdaoChina

during the operation of high-voltage cables,external stress and residual stress can affect the aggregated structure of in{2.lating materials and lead to significant deterioration in their electrical *** investigate the evolution characteristics of the electrical properties of cross-linked polyethylene(XLPE)under mechanical stress,this paper ex-plains the relationship between the aggregated structure of XLPE and its electrical properties and proposes a method for improving in{2.lation performance under me-chanical *** re{2.lts show that metallocene polyethylene used as a nucleating agent can promote crystallisation through heterogeneous nucleation and increase Young's modulus by non-uniform nucleation,increasing crystallinity and reducing interplanar spacing,re{2.lting in more complete crystal forms and reduced damage to the aggregated structure during the tensile *** nucleating agent modification,the XLPE crystallisation becomes more uniform,and interfacial adhesion forces *** weakened interface damage process between the amorphous and crystalline regions under tensile stress effectively inhibits the process of molecular chain polarisation turning and reduces trap *** modified XLPE crystal structure shows a tendency towards densification and enhanced molecular chain interactions,which can reduce the damage to the aggregated structure under tensile stress,while the reduced free volume inside the material and the shortened average free path of carriers can weaken the damage of high-energy electrons to molecular chains,thereby inhibiting the process of electrical tree *** re{2.lts show that nucleating agents have great potential for maintaining the stable operation of XLPE cables under mechanical stress.

关键词： stress electrical damage

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Coastal erosion in china under the condition of global climate change and measures for its prevention

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Progress in Natural science:Materials International 2009年第4期19卷 415-426页

作者： feng Caia, Xianze su a, Jianhui Liub, Bing Li b, Gang Lei a a Third {2. of Oceanography State Oceanic Administration, Xiamen 361005, china b College of Marine Geo-science, Ocean university of china, qingdao 2.6003, china Third institute of Oceanography State Oceanic Administration Xiamen 361005 China College of Marine Geo-science Ocean University of China Qingdao 266003 China

The general characteristics of coastal erosion in china are described in terms of the regional geography, the form of erosion, the causes of erosion, and the challenges we are facing. The paper highlights the relationship between coastal erosion and sea level rises, storm waves and tides, and the influence of global climate changes on coastal erosion along the coastal zone of china. The response of the risk of coastal erosion in china to climate changes has obvious regional diversity. Research into and the forecasting of the effects of climate changes on coastal erosion are systemic work involving the natural environment, social economy, and alongshore engineering projects in the global system. Facing global warming and continual enhancement of coastal erosion, suggestions for basic theoretical study, prevention technology, management system assurance, and strengthening the legal system are presented here.

关键词： Global climate changes Sea level rise Coastal erosion china

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不同黏度合成油下CrN/TiN多层薄膜的摩擦学特性研究

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表面技术 2024年第11期53卷 171-180页

作者：张全德陈庆春苏桐赵勤郭峰王晓波青岛理工大学机械与汽车工程学院山东青岛266520 中国科学院兰州化学物理研究所固体润滑国家重点实验室兰州730000 四川大学原子核科学技术研究所成都610064

目的探究在不同黏度合成酯润滑油的作用下,CrN/TiN多层薄膜的摩擦学性能及协同润滑机制。方法选用聚α烯烃(PAO)与三羟甲基丙烷辛癸酸酯(TME)复配,得到不同黏度梯度的合成油。利用全自动黏度测定仪、倾点测试仪、开口闪点测定器和傅里... 详细信息

目的探究在不同黏度合成酯润滑油的作用下,CrN/TiN多层薄膜的摩擦学性能及协同润滑机制。方法选用聚α烯烃(PAO)与三羟甲基丙烷辛癸酸酯(TME)复配,得到不同黏度梯度的合成油。利用全自动黏度测定仪、倾点测试仪、开口闪点测定器和傅里叶变换红外光谱仪(FTIR)分别对合成油的运动黏度(40、100℃)、倾点、闪点和表面官能团进行表征。利用反应磁控溅射技术在316不锈钢和单晶硅片基底表面制备CrN/TiN多层薄膜。采用X射线衍射仪和FIB-TEM表征手段对薄膜的微观结构进行分析,并用纳米压痕仪和划痕仪测试了薄膜的力学性能。利用球-盘式摩擦试验机表征薄膜在干摩擦和油润滑条件下的摩擦学性能,利用XPS对摩擦实验后的磨痕元素价态进行表征。结果CrN/TiN薄膜具有典型的面心立方结构(FCC)、异质多层结构,且其硬度可达32.2.GPa。在干摩擦条件下,与裸316基体相比,经表面镀制CrN/TiN薄膜后平均摩擦因数由0.95降至0.71,磨损深度由2..0μm降至16.8μm。在合成油作用下,316不锈钢-GCr15钢球(钢-钢摩擦副)、CrN/TiN多层薄膜-GCr15钢球(CrN/TiN多层薄膜-钢摩擦副)2.摩擦配副的摩擦因数和磨损率随着合成油黏度的增加均呈现降低趋势,且在同一黏度条件下薄膜试样的磨损率更低。结论CrN/TiN多层薄膜在PAO与TME复配获得的一系列不同黏度合成油的作用下,随着合成油黏度的增加,薄膜的磨损率和磨损深度逐渐下降,其减摩抗磨性能得到显著提升。通过磨痕表面的XPS分析可知,合成油中极性的酯基吸附在滑动界面,增强了油膜的承载性能,从而减缓了对偶间的摩擦阻力。

关键词： CrN/TiN多层薄膜聚α烯烃多元醇酯摩擦学性能固-液复合润滑

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基于漠河与武汉站流星雷达的中间层顶大气温度反演

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电波科学学报 2024年第2期39卷 280-286页

作者：陈步鹏冯健尹文杰许娜魏博琦宿杰青岛大学电子信息学院青岛266071 中国电波传播研究所青岛266107 武汉大学电子信息学院武汉430072 电子科技大学物理学院成都611731

本文利用漠河和武汉站的全天空流星雷达在2.12.2.2.年期间的观测数据,基于流星高度分布的半高宽(full width at half maximum,FWHM)与温度之间的线性关系来反演90 km高度处的大气温度。对每年数据作线性拟合时发现拟合参数几乎不变,因... 详细信息

本文利用漠河和武汉站的全天空流星雷达在2.12.2.2.年期间的观测数据,基于流星高度分布的半高宽(full width at half maximum,FWHM)与温度之间的线性关系来反演90 km高度处的大气温度。对每年数据作线性拟合时发现拟合参数几乎不变,因此本文使用过去一段时间总结出的参数来拟合温度,并与传统梯度法对比。结果表明,使用FWHM法测出的温度与Aura卫星的温度更为接近,其中相关系数和平均误差均优于梯度法,并且FWHM法在较高纬度的漠河站的拟合效果好于较低纬度的武汉站。说明在漠河站和武汉站使用FWHM法反演中间层顶大气温度是可行的;同时也证明了纬度会影响FWHM法的误差,在较高纬度使用FWHM法的结果误差更小。

关键词：流星雷达大气温度中间层顶流星峰值高度半高宽(FWHM)

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蒙古冰草肉桂醇脱氢酶基因序列鉴定及功能分析

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植物学报 2024年第2期59卷 204-216页

作者：王贺萍孙震刘雨辰苏彦龙杜锦瑜赵彦赵竑博王召明苑峰刘亚玲吴振映何峰付春祥华南农业大学园艺学院广州510642 中国科学院青岛生物能源与过程研究所青岛266101 山东能源研究院青岛266101 青岛新能源山东省实验室青岛266101 内蒙古农业大学草原与资源环境学院/农业农村部饲草栽培、加工与高效利用重点实验室/草地资源教育部重点实验室呼和浩特010018 内蒙古自治区牧草育种与良种繁育重点实验室呼和浩特010018

肉桂醇脱氢酶(CAD)作为植物次生代谢尤其是木质素生物合成过程的关键酶,在调控植物生长发育和抵御生物/非生物胁迫等过程中发挥关键作用。蒙古冰草(即沙芦草(Agropyron mongolicum))耐旱耐寒,在我国北方荒漠草原区域广泛分布。为探讨CA... 详细信息

肉桂醇脱氢酶(CAD)作为植物次生代谢尤其是木质素生物合成过程的关键酶,在调控植物生长发育和抵御生物/非生物胁迫等过程中发挥关键作用。蒙古冰草(即沙芦草(Agropyron mongolicum))耐旱耐寒,在我国北方荒漠草原区域广泛分布。为探讨CAD基因在蒙古冰草木质素合成和非生物胁迫抗性中的作用,从蒙古冰草全长转录组数据中筛选并克隆到1个CAD基因,序列长度1083 bp,命名为AmCAD。该基因编码361个氨基酸残基,同源序列比对发现蛋白质序列保守区域含有2.Zn^(2.)结合基序和NADP(H)辅因子结合基序,属于典型的CAD蛋白,且三维结构与AtCAD5相似。AmCAD在茎秆中高表达,对AmCAD重组蛋白的酶学性质分析表明,该蛋白对不同肉桂醛类底物均具有很强的催化能力,其中对松柏醛和芥子醛的底物亲和力更强。用不同浓度甘露醇模拟干旱胁迫,蒙古冰草AmCAD基因表达受到显著诱导。研究结果表明,AmCAD在蒙古冰草木质素合成和干旱胁迫抗性中发挥重要作用,可为提高蒙古冰草品质和抗逆性分子育种提供有价值的基因资源。

关键词：蒙古冰草肉桂醇脱氢酶木质素抗旱性

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褐藻寡糖对花鲈幼鱼生长和生理指标及肠道组织形态的影响

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南方水产科学 2024年第3期20卷 76-84页

作者：马斌苏航徐永江崔爱君姜燕颜寒冯元公衍军冯德军浙江海洋大学/国家海洋设施养殖工程技术研究中心浙江舟山316022 中国水产科学研究院黄海水产研究所/青岛海洋科技中心山东青岛266071 潍坊麦卡阿吉生物科技有限公司山东潍坊261000 中国科学院青岛生物能源与过程研究所山东青岛266101

在饲料中添加低聚糖类益生元可有效提升鱼类的生长和免疫相关性能。褐藻寡糖是一类从海洋褐藻胶中提取的低聚糖类益生元,对水产养殖动物生长和免疫性能改善具有重要作用。为检验褐藻寡糖在花鲈(Lateolabrax maculatus)幼鱼生长与免疫性... 详细信息

在饲料中添加低聚糖类益生元可有效提升鱼类的生长和免疫相关性能。褐藻寡糖是一类从海洋褐藻胶中提取的低聚糖类益生元,对水产养殖动物生长和免疫性能改善具有重要作用。为检验褐藻寡糖在花鲈(Lateolabrax maculatus)幼鱼生长与免疫性能方面的应用效果,在基础饲料中按照0、50、100和2.0 mg·kg-1添加褐藻寡糖配置实验用饲料,开展为期42.d的养殖实验。结果显示,褐藻寡糖添加量为100 mg·kg-1时,花鲈幼鱼的体质量增长率(WGR)和特定生长率(SGR)均最高,分别为(96.50±7.95)%和(1.73±0.09)%·d-1,且能显著上调生长相关基因(gh)的表达(P<0.05);同时,幼鱼肠道肌层厚度、绒毛高度和宽度显著优于对照组(P<0.05),胰蛋白酶(TRY)、淀粉酶(AMS)和脂肪酶(LPS)活性高于对照组。随着褐藻寡糖添加量的增加,花鲈幼鱼肝脏超氧化物歧化酶(SOD)、过氧化氢酶(CAT)、谷胱甘肽过氧化物酶(GSH-Px)和溶菌酶(LZM)活性均显著升高(P<0.05),丙二醛(MDA)含量显著降低(P<0.05)。可见,添加褐藻寡糖能显著提升花鲈幼鱼的机体免疫水平,并对其生长有一定的促进作用。研究结果可为制定褐藻寡糖促进花鲈健康生长的使用策略提供理论参考。

关键词：花鲈褐藻寡糖消化酶非特异性免疫

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SALIRI-based(raltitrexed plus irinotecan)therapy as a second-line treatment for patients with metastatic colorectal cancer(SALLY):A prospective,multicenter,non-interventional,registry study

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Cancer Communications 2024年第8期44卷 910-914页

作者： Shuqui Qin Jin Li Aiping Zhou Yanqiao Zhang Xianglin Yuan Liangjun Zhu Baoli Qin Shan Zeng Lin Shen Ying Yuan Weibo Wang Jun Liang Xianwen Zhang feng Ye Ping Chen HuaizhangWang Zhenyan Yu Lu Yue Yong Fang Jianping Xiong Jianwei Yang Yiye Wan Xianli Yin Wenling Wang Nong Xu XiaohongWang Zemin Xiao Huafang su YingWang Kangsheng Gu Shuiping Tu Zishu Wang Bo Liu Xiaohua Hu Weixian Liu Xiaofeng Li Department of Oncology Nanjing Tianyinshan HospitalNanjingJiangsuP.R.China Department of Medical Oncology Shanghai East HospitalShanghaiP.R.China Department of Medical Oncology Cancer Hospital Chinese Academy of Medical SciencesBeijingP.R.China Department of Gastroenterology Harbin Medical University Cancer HospitalHarbinHeilongjiangP.R.China Department of Medical Oncology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubeiP.R.China Department of Medical Oncology Jiangsu Cancer HospitalNanjingJiangsuP.R.China Department of Gastroenterology Liaoning Cancer Hospital&InstituteShenyangLiaoningP.R.China Department of Oncology Xiangya HospitalCentral South UniversityChangshaHunanP.R.China Department of Medical Oncology Beijing Cancer HospitalBeijingP.R.China Department of Medical Oncology The Second Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangP.R.China Department of Chemotherapy Shandong Provincial HospitalJinanShandongP.R.China Department of Medical Oncology Peking University International HospitalBeijingP.R.China Department of Medical Oncology Northern Jiangsu People’s HospitalYangzhouJiangsuP.R.China Department of Medical Oncology The First Affiliated Hospital of Xiamen UniversityXiamenFujianP.R.China Department of Medical Oncology General Hospital of NingxiaMedical UniversityYinchuanNingxiaP.R.China Department of Integrated Chinese andWestern Medicine Henan Cancer HospitalZhengzhouHenanP.R.China Department of Medical Oncology Mudanjiang Tumor HospitalMudanjiangHeilongjiangP.R.China Department of Oncology Qingdao Municipal Hospital(Group)QingdaoShandongP.R.China Department of Medical Oncology Sir Run Run Shaw HospitalZhejiang University School of MedicineHangzhouZhejiangP.R.China Department of Medical Oncology The First Affiliated Hospital of Nanchang UniversityNanchangJiangxiP.R.China Department of Abdominal Oncology Fujian Cancer HospitalFuzhouFujianP.R.China Department of Gastroent

Primary chemotherapy options for colorectal cancer(CRC)involve four key drugs:fluorouracils(5-FU),oxaliplatin,irinotecan and *** first-line regimen consists of 5-FU and leucovorin combined with oxaliplatin(FOLFOX),while the second-line regimen involves 5-FU and leucovorin combined with irinotecan(FOLFIRI)for metastatic CRC(mCRC)in china[1].

关键词： drugs chemotherapy FOLFIRI

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Tectonic activity and earthquake risk in the Chengnanhe fault zone in Weihai city,Shandong province,china,obtained by using an integrated prospecting technique in geophysics and geology

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Earthquake science 2021年第2期34卷 137-147页

作者： Gui-Lin du Lian-feng Zhao Xiaobo Tian Shujuan {2. Xiangchun Chang Hualin Wang Zhuqing Huo Tao Zhu Yonghua Li College of Earth science and Engineering Shandong University of Science and TechnologyQingdao 266590China Weihai Earthquake Monitoring Center Weihai 264200China Key Laboratory of Earth and Planetary Physics Institute of Geology and GeophysicsChinese Academy of SciencesBeijing 100029China Mohe Observatory of Geophysics Institute of Geology and GeophysicsChinese Academy of SciencesBeijing 100029China State Key Laboratory of Lithosphere Evolution Institute of Geology and GeophysicsChinese Academy of SciencesBeijing 100029China Innovation Academy for Earth sciences Chinese Academy of SciencesBeijing 100029China Yantai Earthquake Monitoring Center Station Shandong Earthquake AgencyYantai 264000China Shandong institute of Earthquake Engineering Ji'nan 250014China Jiangsu Earthquake Agency Nanjing 210014China institute of Geophysics China Earthquake AdministrationBeijing 100081China

For city planning and reducing potential earthquake risk,it’s necessary to detect the information of the buried faults in an urban area especially,including the location and *** integrated technique with geophysical and geological methods,including the shallow seismic reflection profile,electrical resistivity measurement,geologic borehole section,and exploration trench,was used to detect the Chengnanhe fault,which is one of the two main faults passing through the Weihai urban area in Shandong province,*** results show that it is a normal fault striking with E-W direction,and it is relatively inactive and *** using the thermoluminescence(TL)dating,we found that the Chengnanhe fault initiated in mid-Pleistocene and there was no offset after late *** an integrated technique with multiple geological and geophysical methods provides a significant assessment of earthquake risk for city planning in urban areas.

关键词： Chengnanhe fault geologic drilling thermoluminescence(TL)dating shallow seismic profile electrical resistivity measurement.

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