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The Local Structure and Luminescence property of(M, Ba)3Eu2(BO3)4(M=Ca, Sr) Red Phosphors

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The Local Structure and Luminescence property of(M, Ba)3Eu2(...

COSINE:A web server for clonal and subclonal structure inference and evolution in cancer genomics

中国稀土学会2021学术年会

作者： Gui-Hua Li Nian Yang Jia-Yong Si ge-mei Cai School of Materials Science and Engineering Education Ministry Key Laboratory of Non-ferrous Materials Science and Engineering Central South University College of Mechanical & Electrical Engineering Central South University of Forestry & Technology

A serial of pure (M,Ba)Eu(BO) (M=Ca,Sr) phosphors have been synthesized by the solid-state reaction *** lattice expansion and occupation change were triggered by the substitution of Bainto Ca/*** comparison with the MEu(BO) cell with one 4e and two 8d crystallographic sites co-occupied by Ca/Eu or Sr/Eu atoms,the 4e site is occupied mainly by Eu atoms in (M,Ba)Eu(BO) lattice,even monopolized by Eu atoms in BaEu(BO) *** phosphors show a deep red emission from D-F transition along with an anomalously strong D-F transition of Euion,with emission intensity keeping ***,the fluorescence lifetime of BaEu(BO) is slightly shorter than those of both (CaBa)Eu(BO) and(SrBa)Eu(BO).According to the local-structure analysis by virtue of Judd-Ofelt theory,BaEu(BO)phosphor has the largerΩ value,apart from the smallerΩ value,indicating a lower symmetry in comparison with the original *** addition,the larger distance of the nearest-neighbor sites for activators could be beneficial for the emission reinforce.

关键词： wLEDs structural distortion crystal field enhancement of luminescence

来源： cnki会议评论

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Zoological Research 2022年第1期43卷 75-77页

作者： Xi-Guo Yuan Yuan Zhao Yang Guo Lin-mei ge Wei Liu Shi-Yu Wen Qi Li Zhang-Bo Wan Pei-Na Zheng Tao Guo Zhi-Da Li Martin Peifer Yu-Peng Cun School of Computer Science and Technology Xidian UniversityXi'anShaanxi 710071China iFlora Bioinformatics Center Germplasm Bank of Wild SpeciesKunming Institute of BotanyChinese Academy of SciencesKunmingYunan 650201China Yuxi Rongjian Information Technology Co. Ltd.YuxiYunan 653100China Center for Molecular Medicine Cologne(CMMC) University of CologneCologne 50931Germany Pediatric Research Institute Ministry of Education Key Laboratory of Child Development and DisordersNational Clinical Research Center for Child Health and DisordersChina International Science and Technology Cooperation Base of Child Development and Critical DisordersChongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory DisordersChildren’s Hospital of Chongqing Medical UniversityChongqing 400014China

Cancer cell genomes originate from single-cell mutation with sequential clonal and subclonal expansion of somatic mutation acquisition during pathogenesis,thus exhibiting a Darwinian evolutionary process(gerstung et al.,2020;Nik-Zainal et al.,2012).Through next-generation sequencing of tumor tissue,this evolutionary process can be characterized by statistical modelling,which can identify the clonal state,somatic mutation order,and evolutionary process(gerstung et al.,2020;Mcgranahan&Swanton,2017).Inference of clonal and subclonal structure from bulk or single-cell tumor genomic sequencing data has a huge impact on studying cancer *** state and mutation order can provide detailed insight into tumor origin and future *** the past decade,various methods for subclonal reconstruction using bulk tumor sequencing data have been ***,these methods had different programming languages and data input formats,which limited their use and ***,we established a web server for Clonal and Subclonal Structure Inference and Evolution(COSINE)of cancer genomic data,which incorporated twelve popular subclonal reconstruction *** deconstructed each method to provide a detailed workflow of single processing steps with a user-friendly *** the best of our knowledge,this is the first web server providing online subclonal inference based on the integration of most popular subclonal reconstruction *** is freely accessible at ***.

关键词： .net server COSINE

FACILE SYNTHESES OF PLUMBAGIC ACID

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Chinese Chemical Letters 1992年第5期3卷 333-334页

作者： Xue Chao WANG Xin Fu PAN Xin mei ge Gong Cheng ZHANGState Key Laboratory of Applied Organic Chemistry,Lanzhou University,Lanzhou,730000

Plumbagic acid[β-(2,3-dihydroxybenzoyl)butyric acid](1),has been synthesized from commcrcially available catechol by two facile routes with overall yields of 18.6% and 53.5%,rcspectively.

关键词： THF FACILE SYNTHESES OF PLUMBAGIC ACID

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澳门特别行政区游客教育效果评价方法研究

商业研究 2017年第5期 184-192页

作者：葛梅江小凤深圳职业技术学院管理学院广东深圳518055 澳门城市大学商学院澳门城市大学人文学院

游客文明素质的干预工作得到澳门特别行政区政府的重视,为提升游客教育综合效果,有必要对其游客教育系统进行科学评价。本文选择澳门特别行政区为案例地,采用德菲尔法、层次分析法、问卷调查、模糊综合评价法,通过构建生态旅游区游客教... 详细信息

游客文明素质的干预工作得到澳门特别行政区政府的重视,为提升游客教育综合效果,有必要对其游客教育系统进行科学评价。本文选择澳门特别行政区为案例地,采用德菲尔法、层次分析法、问卷调查、模糊综合评价法,通过构建生态旅游区游客教育有效性评价模型,借助SPSS软件分析游客进入澳门特区前后的生态知识、生态文化、生态意识、生态伦理,以及生态行为意愿等各指标得分,针对不同人群得分的差异情况分析游客的社会特征对教育效果的影响。本文旨在为建立一套适用于澳门特区游客教育效果评价的指标体系与方法提供参考。

关键词：生态旅游教育游客教育游客教育干预效果评价评价指标体系

可燃气体(液体蒸气)的最小氧浓度的估算及影响因素研究

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湖南科技大学学报（自然科学版） 2006年第3期21卷 13-15,34页

作者：张增亮李革梅湖南科技大学能源与安全工程学院湖南湘潭411201 湖南科技大学信息与电气工程学院湖南湘潭411201

最小氧气浓度是可燃气体和液体蒸气的重要安全参数之一.对最小氧气浓度的理论计算方法进行了研究,同时对最小氧气浓度的影响因素进行了分析探讨,得出它要受到温度、压力和惰性气体等因素的影响.阐明了最小氧气浓度与爆炸下限是一一对应... 详细信息

最小氧气浓度是可燃气体和液体蒸气的重要安全参数之一.对最小氧气浓度的理论计算方法进行了研究,同时对最小氧气浓度的影响因素进行了分析探讨,得出它要受到温度、压力和惰性气体等因素的影响.阐明了最小氧气浓度与爆炸下限是一一对应的关系;使用理论计算值应注意附加一定的安全系数;可通过减少反应中氧浓度、降压、降温、加入惰性气体等办法,以缩小爆炸极限范围、增大最小氧气浓度,从而将其控制在爆炸范围之外.图1,表4,参9.

关键词：可燃气体液体蒸气最小氧气浓度爆炸极限影响因素

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浮栅结构SOILDMOS器件的模拟研究

半导体技术 2011年第2期36卷 108-111,123页

作者：葛梅王颖哈尔滨工程大学信息与通信工程学院哈尔滨150001

研究了一种具有浮栅结构的SOI LDMOS(FGSOI LDMOS)器件模型,并分析了该结构的耐压机理,通过Silvaco TCAD软件对该结构进行仿真优化。通过仿真验证可知,该结构通过类场板的结终端技术可以调节器件的横向电场,从而得到比普通SOI LDMOS器... 详细信息

研究了一种具有浮栅结构的SOI LDMOS(FGSOI LDMOS)器件模型,并分析了该结构的耐压机理,通过Silvaco TCAD软件对该结构进行仿真优化。通过仿真验证可知,该结构通过类场板的结终端技术可以调节器件的横向电场,从而得到比普通SOI LDMOS器件更高的耐压并且降低了器件的比导通电阻。仿真结果表明,该结构与普通SOI LDMOS器件结构在相同的尺寸条件下耐压提高了41%,比导通电阻降低了21.9%。

关键词： SOI结构浮栅结构电场调制比导通电阻击穿电压

Crystal structures and elastic properties of Ti(Cu,Pt)2 and Ti(Cu,Pt)3 phases

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Transactions of Nonferrous Metals Society of China 2020年第7期30卷 1839-1848页

作者： Wei-jing ZENG Kun HU Hua-shan LIU Hai-long PENG ge-mei CAI Zhan-peng JIN School of Materials Science and Engineering Central South UniversityChangsha 410083China

This paper focused on the crystal structures of two new ternary phases,Ti(Cu,Pt)2 and Ti(Cu,Pt)3,which were studied by X-ray powder diffraction data using Rietveld *** probe microanalysis was used for sample composition *** properties of these phases were further measured by nano-indentation,and meanwhile calculated with first-principle(FP)*** is found that the crystal structure of Ti(Cu,Pt)2 is of orthorhombic cell space group Amm2(No.38)with structural prototype of *** resolved structure of Ti(Cu,Pt)3 is of tetragonal Al Pt3 type,belonging to the space group P4/mmm(No.123).The nano-indentation measurement and FP calculations show that the elastic modulus of Ti(Cu,Pt)2 increases firstly then decreases with Pt content,whereas that of Ti(Cu,Pt)3almost linearly increases with Pt content.

关键词： Ti-Cu-Pt phase crystal structure X-ray diffraction first-principle calculations elastic properties

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三基色量子点的制备与白光的实现

红外与毫米波学报 2010年第6期29卷 427-430页

作者：乐阳葛美英孙艳陈鑫戴宁中国科学院上海技术物理研究所红外物理国家重点实验室上海200083

采用化学溶液方法,以乙基黄原酸盐作为壳层前驱体,制备了红绿蓝三色发光的CdSe/ZnS核壳量子点.以乙基黄原酸锌为前驱体形成ZnS壳层包覆CdSe核量子点,通过调节反应温度与反应气氛等条件获得了发绿光(542nm)及蓝光(483nm)的核壳量子点.以... 详细信息

采用化学溶液方法,以乙基黄原酸盐作为壳层前驱体,制备了红绿蓝三色发光的CdSe/ZnS核壳量子点.以乙基黄原酸锌为前驱体形成ZnS壳层包覆CdSe核量子点,通过调节反应温度与反应气氛等条件获得了发绿光(542nm)及蓝光(483nm)的核壳量子点.以乙基黄原酸镉和乙基黄原酸锌分别作为壳层CdS及ZnS的前驱体制备了发红光(612nm)CdSe/CdS/ZnS核/多壳结构量子点.紫外-可见吸收光谱、荧光光谱及透射电镜研究结果表明,通过条件调节,温度较低时(约230℃)注入乙基黄原酸锌后量子点发光峰出现红移,而温度较高时(约260℃)则发生蓝移.通过不同发光颜色的量子点的混合实现了三基色白光.

关键词：硒化镉半导体量子点核壳纳米结构白光LED

The Eu3+ local environment and luminous behavior based on new phosphor hosts in the MO-In2O3-P2O5(M=Mg, Ca, Sr, Ba) system

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The Eu3+ local environment and luminous behavior based on ne...