{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"利用基于密度泛函理论框架下的平面波赝势法和广义梯度近似,计算分析Ca0.97Sr1.97AlO4F晶体结构的能带结构、态密度及电子密度差;采用价键理论研究Ca 0.97 Sr 1.97 AlO 4 F的共价性,并探讨Ce3+在Ca 0.97 Sr 1.97 AlO 4 F体系中的激发、发射光谱及荧光寿命。结果表明,价带主要由O、F原子的2p轨道构成,导带则主要由Al原子的2p轨道和Sr(1)和Sr(2)原子的4d轨道构成,能带间隙为6.235 eV;在Sr3AlO4F掺入Ca2+离子后,Ca/Sr(2)-O 和Ca/Sr(2)-F共价性明显增强;Ce3+离子在十配位的Sr(1)O 8 F 2和八配位的Sr(2)O 6 F 2格位中的发射主峰分别约为472和550 nm,荧光寿命(τ1/e )分别为38.35和49.45 ns。","authors":[{"authorName":"李琼瑛","id":"8a6d16a2-fb5d-477e-9df9-e838aafd9f7d","originalAuthorName":"李琼瑛"},{"authorName":"倪海勇","id":"87305b77-3f04-480b-a2f7-f02907667ad9","originalAuthorName":"倪海勇"},{"authorName":"王灵利","id":"68481c99-3ba9-4d1e-b844-d1be9aec38e5","originalAuthorName":"王灵利"},{"authorName":"张秋红","id":"86578470-25f6-4ee0-bea0-8ef0fccb29a3","originalAuthorName":"张秋红"},{"authorName":"李许波","id":"247c9ba3-a53c-4393-88c5-b82d3d8d3a0b","originalAuthorName":"李许波"},{"authorName":"丁建红","id":"6b95f261-ea77-4e73-8771-67cbbc70de8f","originalAuthorName":"丁建红"}],"doi":"","fpage":"1339","id":"7c38ec1c-d14b-4b80-9b89-2e3eab88df1a","issue":"5","journal":{"abbrevTitle":"ZGYSJSXB","coverImgSrc":"journal/img/cover/ZGYSJSXB.jpg","id":"88","issnPpub":"1004-0609","publisherId":"ZGYSJSXB","title":"中国有色金属学报"},"keywords":[{"id":"679f107f-fde9-4fff-a1be-80e4ccd07e85","keyword":"荧光材料","originalKeyword":"荧光材料"},{"id":"1af397f2-4838-46cb-a051-857562ea7bbd","keyword":"稀土","originalKeyword":"稀土"},{"id":"a44c1a01-919d-4733-a447-f9c3e20787a5","keyword":"电子结构","originalKeyword":"电子结构"},{"id":"0fe42c63-7ebd-4044-b2c8-764064530a94","keyword":"发光性能","originalKeyword":"发光性能"},{"id":"bccb55de-1cc4-4a47-8049-915cd1c261a3","keyword":"第一性原理","originalKeyword":"第一性原理"}],"language":"zh","publisherId":"zgysjsxb201405030","title":"Ce3+激活Ca0.97Sr2.03AlO4F荧光材料的电子结构及发光特性","volume":"","year":"2014"},{"abstractinfo":"分析稀土蓄光发光材料应用市场及合成技术的现状,并提出国内蓄光材料产业存在知识产权、测试标准以及低价竞争等问题以及发展趋势.","authors":[{"authorName":"倪海勇","id":"74a27aeb-0f14-47af-94f1-8a88db0d1419","originalAuthorName":"倪海勇"},{"authorName":"黄奇书","id":"ddfbc8a7-a38d-4e48-ab4c-bbfb5ad70f2c","originalAuthorName":"黄奇书"},{"authorName":"傅汉青","id":"42c3387b-27b0-4d12-904b-fc8fb5613b99","originalAuthorName":"傅汉青"},{"authorName":"李许波","id":"d97fd5dc-84e7-486c-b473-41fbd117a093","originalAuthorName":"李许波"},{"authorName":"丁建红","id":"01e0cf4a-94ae-4a4a-bed0-c2ca442e5139","originalAuthorName":"丁建红"}],"doi":"10.3969/j.issn.1004-0277.2007.04.026","fpage":"99","id":"31de4abd-7dc2-4614-88d6-e73b30eb7c81","issue":"4","journal":{"abbrevTitle":"XT","coverImgSrc":"journal/img/cover/XT.jpg","id":"65","issnPpub":"1004-0277","publisherId":"XT","title":"稀土"},"keywords":[{"id":"eb62b907-90b1-4943-a4ba-66dc802b0bb1","keyword":"夜光粉","originalKeyword":"夜光粉"},{"id":"4b563fca-c313-4f4f-a592-68adc534cdb8","keyword":"发光","originalKeyword":"发光"},{"id":"b00905ff-8fc1-4e0e-a446-aee5c24eb3b4","keyword":"稀土","originalKeyword":"稀土"},{"id":"dba6a83f-c170-4996-9b6c-4023ba04ffb1","keyword":"包膜","originalKeyword":"包膜"}],"language":"zh","publisherId":"xitu200704026","title":"中国稀土蓄光材料产业现状","volume":"28","year":"2007"},{"abstractinfo":"采用高温固相法反应制备Ba0.11Sr2.89-2xCexNaxAlO4F(x =0.01,0.02,0.05,0.07,0.10,0.15)荧光粉.Ba0.11Sr2.89AlO4F体系中存在Sr(1)2+和Sr2+(2)两个格位.Sr2+(1)离子位于Wyck.4a格位,为十配位多面体构型.Sr2+(2)离子位于Wyck.8h格位,为八配位的多面体构型.研究了Ba0.11Sr2.89-2xCexNaxAlO4F荧光粉的紫外-可见激发、发射光谱、荧光寿命及能量传递过程,讨论并指认了Ce3+在上述两个格位中的激发带位置及能级重心,发射光谱曲线分别由两个~463,~505和~ 550 nm宽带发射构成.随着Ce3+浓度增加,长波发射~ 550 nm 逐渐增强,而色品坐标(x =0.199,y=0.351)蓝绿区逐渐变化到黄绿区域(x=0.389,y=0.489).","authors":[{"authorName":"黄奇书","id":"6d8a2b00-3535-4638-907c-2b0f44439997","originalAuthorName":"黄奇书"},{"authorName":"倪海勇","id":"3af554fe-273b-4a88-b640-a60ca9aa3145","originalAuthorName":"倪海勇"},{"authorName":"张秋红","id":"629bc474-0a12-4a4b-9df7-59e61bd9f302","originalAuthorName":"张秋红"},{"authorName":"王灵利","id":"cb45d69f-f669-45a7-8360-b6d57b677ce9","originalAuthorName":"王灵利"},{"authorName":"李许波","id":"b979e0af-a29f-450b-abc1-670cc5025f59","originalAuthorName":"李许波"},{"authorName":"丁建红","id":"6d0cef07-9814-4f6e-a61c-cb45453d2fea","originalAuthorName":"丁建红"}],"doi":"10.11785/S1000-4343.20130504","fpage":"547","id":"f18ef019-cce1-4911-bde1-3ab5e81b681e","issue":"5","journal":{"abbrevTitle":"ZGXTXB","coverImgSrc":"journal/img/cover/ZGXTXB.jpg","id":"86","issnPpub":"1000-4343","publisherId":"ZGXTXB","title":"中国稀土学报"},"keywords":[{"id":"3b006b51-6a0a-4747-94ed-8bc3f8eef617","keyword":"Ba0.11Sr2.89AlO4F","originalKeyword":"Ba0.11Sr2.89AlO4F"},{"id":"77bdde19-2024-4193-9016-d6dc6adc5c43","keyword":"荧光粉","originalKeyword":"荧光粉"},{"id":"8992c427-f8e4-4cfa-9857-38fd36850d35","keyword":"LED","originalKeyword":"LED"},{"id":"a089aaae-4a33-4dbf-95a6-6c8749f19a5c","keyword":"发光","originalKeyword":"发光"},{"id":"1f952d06-6aad-4c34-b525-26fa20363951","keyword":"Ce3+","originalKeyword":"Ce3+"}],"language":"zh","publisherId":"zgxtxb201305004","title":"近紫外LED激发荧光粉Ba0.11Sr2.89-2xCexNaxAlO4F发光特性","volume":"31","year":"2013"},{"abstractinfo":"采用高温固相反应合成了SrAl2O4-yNy∶Eu2+,Dy3+系列长余辉荧光粉,并研究了SrAl2O3.75N0.25∶Eu2+,Dy3+体系的晶体结构、光谱特性、余辉衰减曲线及热释发光曲线.X射线衍射分析结果表明,SrAl2O3.75N0.25:Eu2+荧光材料属六方晶系,P6322空间群,晶胞参数a=b=5.14,c=8.462,γ=120°.荧光光谱测试结果表明,SrAl2 O3.75N0.25∶Eu2+的激发光谱和发射光谱均为宽带谱,激发光谱位于283 nm ~450 nm,发射光谱的峰值位于487 nm,属于Eu2的4f65d1→4f7跃迁发射.Eu2+的掺杂量并不改变SrAl2O3.75N0.25∶Eu2+发射光谱的形状和峰值位置,但对相对发光强度有较大影响,Eu2+的摩尔浓度为2%时相对发光强度最高.余辉衰减曲线表明,Sr0.97 Al2O3.75N0.25∶Eu0.02,Dy0.01的余辉衰减符合指数衰减规律,由初始的快衰减和之后的慢衰减两个过程组成.通过热释发光曲线对荧光材料中的陷阱能级进行计算,得出Sr0.97 Al2 O3.75 N0.02∶Eu0.02,Dy0.01的能级陷阱为0.42 V,掺Dy3+有利于提高该荧光材料的初始发光亮度和余辉时间.","authors":[{"authorName":"丁建红","id":"2ca310b7-bf91-481c-8332-baedc2597779","originalAuthorName":"丁建红"},{"authorName":"李许波","id":"622e2fb8-2c3e-4e88-bae7-53d559d6e413","originalAuthorName":"李许波"},{"authorName":"黄奇书","id":"01b43b11-0b6f-462a-97d7-0529c00ea480","originalAuthorName":"黄奇书"},{"authorName":"雷一锋","id":"3664a838-94ae-493a-8cbc-ba1c89e54423","originalAuthorName":"雷一锋"},{"authorName":"李琼瑛","id":"beb84e79-1d51-4ba5-b603-2ff4cbcc2d06","originalAuthorName":"李琼瑛"},{"authorName":"傅汉清","id":"facc99e3-6eb2-4778-977b-3e69ff688b5f","originalAuthorName":"傅汉清"}],"doi":"10.16533/J.CNKI.15-1099/TF.201603017","fpage":"96","id":"e60f4276-c2be-43c7-b848-e078025a5f5a","issue":"3","journal":{"abbrevTitle":"XT","coverImgSrc":"journal/img/cover/XT.jpg","id":"65","issnPpub":"1004-0277","publisherId":"XT","title":"稀土"},"keywords":[{"id":"89c40d84-dcfd-4fd7-ae55-a75936bf0404","keyword":"铝酸盐","originalKeyword":"铝酸盐"},{"id":"b962be76-cc2f-452a-8bd4-7efcfeafdb95","keyword":"稀土","originalKeyword":"稀土"},{"id":"d6a9a63f-7c51-4861-9356-57ac6b22cb41","keyword":"长余辉","originalKeyword":"长余辉"},{"id":"405e8716-28ba-475f-879d-34866895fce3","keyword":"蓝色","originalKeyword":"蓝色"},{"id":"a20ddeed-eaa7-4908-a797-c5af2e78ee4a","keyword":"能级陷阱","originalKeyword":"能级陷阱"}],"language":"zh","publisherId":"xitu201603017","title":"新型蓝色长余辉荧光粉SrAl2O4-yNy∶Eu2+,Dy3+发光性能研究","volume":"37","year":"2016"},{"abstractinfo":"按照CCAR25.613条款“材料与结构许用值”的要求,民用飞机雷达罩需进行许用值设计.本文通过研究确定了进行雷达罩玻璃纤维复合材料设计许用值试验的试验项目、试验采用的标准、试验环境、试验件数量以及试验数据的处理方法等,并将采用ASTM标准测试得到的许用值试验数据与用GB标准得到的测试数据进行了比较.结果表明,按照ASTM标准进行玻璃纤维复合材料结构设计许用值试验得到的数据分散性小,许用值的测试数据高,避免了采用国内标准导致的性能数据低的情况.该设计许用值已成功应用于新型涡扇支线飞机雷达罩的设计和静力试验.","authors":[{"authorName":"周春苹","id":"9232d9c5-5ad4-42f8-bd38-0ce57c8a9d2b","originalAuthorName":"周春苹"},{"authorName":"李兴德","id":"f21cb0df-2e65-417e-88c3-2357c2ead0df","originalAuthorName":"李兴德"},{"authorName":"朱杉","id":"3f0c8015-c643-46da-8831-a36d947a9fcf","originalAuthorName":"朱杉"}],"doi":"","fpage":"51","id":"cdca377e-9a87-41c8-9f55-ab167437961e","issue":"5","journal":{"abbrevTitle":"BLGFHCL","coverImgSrc":"journal/img/cover/BLGFHCL.jpg","id":"6","issnPpub":"1003-0999","publisherId":"BLGFHCL","title":"玻璃钢/复合材料"},"keywords":[{"id":"9858174f-58df-4192-bafb-f1dc6c13b044","keyword":"雷达罩","originalKeyword":"雷达罩"},{"id":"e7cf85a4-a69f-4f63-ae35-f7c100629e7b","keyword":"玻璃纤维复合材料","originalKeyword":"玻璃纤维复合材料"},{"id":"742a303f-ecc9-46fc-91a8-f3da2346f833","keyword":"结构许用值","originalKeyword":"结构许用值"}],"language":"zh","publisherId":"blgfhcl201305011","title":"确定雷达罩设计许用值的方法研究","volume":"","year":"2013"},{"abstractinfo":"分析国内外复合材料飞机结构材料许用值、设计许用值的确定原则和方法,研究给出了复合材料结构材料许用值的表征和应用、试验以反试验数据的统计分析方法,以及静强度、疲劳强度、损伤容限和修理设计许用值的确定方法.","authors":[{"authorName":"冯振宇","id":"bd3a1ead-4a3e-4f28-bd43-8b23eecd4c0f","originalAuthorName":"冯振宇"},{"authorName":"邹田春","id":"1287f44e-acba-4d3e-aa64-0ca3b6f9a647","originalAuthorName":"邹田春"},{"authorName":"郝鹏","id":"2089ccb7-1fcd-4bb3-8497-7f1d21137efc","originalAuthorName":"郝鹏"},{"authorName":"杜洪增","id":"dc45df42-9f87-427e-b2ba-bbdd1933b2ca","originalAuthorName":"杜洪增"},{"authorName":"田秀云","id":"60750894-d72f-45d8-9abe-51d38e5aea4f","originalAuthorName":"田秀云"}],"doi":"10.3969/j.issn.1007-2330.2011.05.004","fpage":"15","id":"129b24d3-1afc-443b-93f5-a850f0d2e6d3","issue":"5","journal":{"abbrevTitle":"YHCLGY","coverImgSrc":"journal/img/cover/YHCLGY.jpg","id":"77","issnPpub":"1007-2330","publisherId":"YHCLGY","title":"宇航材料工艺 "},"keywords":[{"id":"d0030691-d336-436f-9ca9-df85ae53642b","keyword":"飞机结构","originalKeyword":"飞机结构"},{"id":"653dc435-cda2-43e1-b1ff-16cdd4290481","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"16f9abda-03da-4cc2-96e9-07844c40c549","keyword":"材料许用值","originalKeyword":"材料许用值"},{"id":"68baf9d6-f1c4-44ed-bbb4-5736f6f67fc7","keyword":"设计许用值","originalKeyword":"设计许用值"}],"language":"zh","publisherId":"yhclgy201105004","title":"复合材料飞机结构材料和设计许用值的确定方法","volume":"41","year":"2011"},{"abstractinfo":"<正> 一、为纪念李薰创办和主编《金属学报》,继承并发扬他毕生致力于科技进步的业绩,特设立《金属学报》纪念李薰奖金基金.二、基金来源是乐于赞助的科研单位、高等院校、企业、团体的捐赠.基金属于专款,全部存入银行,每年支取利息,直接用于奖励.","authors":[],"categoryName":"|","doi":"","fpage":"2","id":"53b5b4af-4a26-4ab3-9944-a079f1cdb6c6","issue":"2","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[],"language":"zh","publisherId":"0412-1961_1985_2_2","title":"《金属学报》纪念李薰奖金基金简章","volume":"21","year":"1985"},{"abstractinfo":"采用最小二乘法和K-S检验方法进行分布拟合检验,在求得35CrMoV钢硬度和抗拉强度正态分布的基础上,对其硬度和抗拉强度关系进行相关性研究,运用线性相关系数判断硬度和抗拉强度之间具有强正线性相关关系.运用正态代数运算方法,从硬度的概率分布估计抗拉强度的概率分布,预测其设计许用值,并与从抗拉强度概率分布计算得到的设计许用值进行分析比较,预测的结果均值误差较小,方差误差较大,故求得的设计许用值有一定的误差.","authors":[{"authorName":"马延辉","id":"ec86aa17-f42e-4bbc-8bd2-db72d3219789","originalAuthorName":"马延辉"},{"authorName":"张天会","id":"a7478996-cf75-440f-90e8-0effd6715481","originalAuthorName":"张天会"},{"authorName":"李华英","id":"f88466a1-3a8f-4600-b3d4-f3645943f38e","originalAuthorName":"李华英"},{"authorName":"徐人平","id":"3dd90d8b-9d20-41d0-a9f9-6eb5597009ab","originalAuthorName":"徐人平"}],"doi":"10.3969/j.issn.1003-1545.2011.03.003","fpage":"8","id":"6853516f-25a6-4174-8d45-a01f94e6c4be","issue":"3","journal":{"abbrevTitle":"CLKFYYY","coverImgSrc":"journal/img/cover/CLKFYYY.jpg","id":"10","issnPpub":"1003-1545","publisherId":"CLKFYYY","title":"材料开发与应用"},"keywords":[{"id":"c1b32edf-9d0d-4c8a-bc58-50f5767f98b6","keyword":"布氏硬度","originalKeyword":"布氏硬度"},{"id":"45ef6824-8116-43b0-9e77-39f82c40d203","keyword":"抗拉强度","originalKeyword":"抗拉强度"},{"id":"0d942533-a0b8-4dc0-8d28-12ed42b07077","keyword":"35CrMoV钢","originalKeyword":"35CrMoV钢"},{"id":"57e73c4e-c8da-431e-ba18-7b18fef1242d","keyword":"设计许用值","originalKeyword":"设计许用值"},{"id":"249b4596-d320-4766-9811-c84959da8a90","keyword":"概率分布","originalKeyword":"概率分布"}],"language":"zh","publisherId":"clkfyyy201103003","title":"35CrMoV钢硬度概率分布与抗拉强度设计许用值预测分析","volume":"26","year":"2011"},{"abstractinfo":"<正> 1983年3月20日凌晨,《金属学报》的创刊人、主编李薰同志和我们永别了。 李薰同志1913年11月20日出生于湖南省邵阳县。1937年以优异成绩通过湖南省试,留学英国Sheffield大学,先后获得哲学博士和冶金学的科学博士学位。1950年受中国科学院郭沫若院长聘,翌年毅然回归祖国。历任中国科学院金属研究所所长,中国科学院","authors":[],"categoryName":"|","doi":"","fpage":"1","id":"e58ce4aa-af81-477f-8509-f13a621fe343","issue":"2","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[],"language":"zh","publisherId":"0412-1961_1983_2_14","title":"深切悼念本刊创刊人、主编李薰同志","volume":"19","year":"1983"},{"abstractinfo":"防治水是矿山建设施工的重要环节.南李庄矿属于水文地质条件复杂的大水岩溶矿山,介绍了主井掘进-129 m水平突水及治水过程,在查清该矿区水文地质条件及矿井突水要因的基础上,为综合防治竖井掘进期间通过特殊地质构造段突水,提出相应的主井掘进帷幕注浆防治水技术及措施,并在掘进工程中收到了良好的应用效果,对类似特殊条件下的矿山井巷掘进工程具有借鉴意义.","authors":[{"authorName":"董华兴","id":"c08faef8-222f-4269-ab57-068e213c04a0","originalAuthorName":"董华兴"},{"authorName":"郑翠敏","id":"71818941-893c-450e-8900-6d9f7dc6d4f4","originalAuthorName":"郑翠敏"},{"authorName":"董凤霞","id":"ce559c6e-5477-4acc-96d6-55cc93294757","originalAuthorName":"董凤霞"},{"authorName":"韩建国","id":"d72c3f8a-9086-4000-8209-5e6a1f371d1d","originalAuthorName":"韩建国"}],"doi":"10.11792/hj20130209","fpage":"35","id":"50da3555-9182-4c83-b8b8-7c218b723d08","issue":"2","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"c8ee1711-e9ee-4c00-a471-1354d308bfe1","keyword":"大水矿山","originalKeyword":"大水矿山"},{"id":"5da58d6c-dff5-4998-b645-b63ba8ec37c0","keyword":"主井掘进","originalKeyword":"主井掘进"},{"id":"a29b56b2-06f6-49a2-9412-0a6cbd37c8f5","keyword":"特殊地质构造","originalKeyword":"特殊地质构造"},{"id":"49c4c65b-3993-4060-b81d-5caf117fa377","keyword":"突水","originalKeyword":"突水"},{"id":"5f22c680-f6b2-4312-8b46-fe823c71eddb","keyword":"防治","originalKeyword":"防治"}],"language":"zh","publisherId":"huangj201302009","title":"南李庄矿主井施工突水防治技术","volume":"34","year":"2013"}],"totalpage":315,"totalrecord":3143}