{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"采用JY-ULTIMA②型等离子光谱仪直接测定纯度99.8%~99.999%的氧化镥中的14种稀土杂质,选择了仪器的最佳工作条件.在选定条件下,14种稀土元素的检出限为0.04μg/g~2.5μg/g,对不同含量的氧化镥样品,加标回收率为93%~109%.方法简单、快速、准确,精密度好,已用于产品的检测.","authors":[{"authorName":"邓汉芹","id":"e5660dc7-5f50-448d-853d-15e89bd6cfcd","originalAuthorName":"邓汉芹"},{"authorName":"钟新文","id":"99cfe15b-05f0-4872-8bdd-a9ac0e51de4e","originalAuthorName":"钟新文"},{"authorName":"宋耀","id":"b6e99ec6-64db-4b63-aa05-e10a5b559432","originalAuthorName":"宋耀"}],"doi":"10.3969/j.issn.1004-0277.2005.03.017","fpage":"64","id":"c855aa78-e14d-444a-8e91-500a47de133f","issue":"3","journal":{"abbrevTitle":"XT","coverImgSrc":"journal/img/cover/XT.jpg","id":"65","issnPpub":"1004-0277","publisherId":"XT","title":"稀土"},"keywords":[{"id":"dc129403-6aa0-4cc7-b961-727103581e98","keyword":"稀土","originalKeyword":"稀土"},{"id":"8dafbf6c-a439-4ecd-b204-18f058a118ad","keyword":"氧化镥","originalKeyword":"氧化镥"},{"id":"ffbe5f5e-4b1d-40e9-8cb3-0841e6066805","keyword":"ICP-AES","originalKeyword":"ICP-AES"}],"language":"zh","publisherId":"xitu200503017","title":"ICP-AES法测定氧化镥中14种稀土杂质元素","volume":"26","year":"2005"},{"abstractinfo":"选用稀土氧化物(Lu2O3)作为单一添加剂,通过热压烧结法制备了氮化硅陶瓷.对样品进行了力学性能测量,并通过XRD和SEM进行相分析和表面形貌分析.高温氧化实验在1400℃下进行,在空气气氛下氧化100h,通过精密天平称重得到样品的氧化增重曲线,对氧化后样品进行力学性能实验和相分析,并观察表面形貌.实验结果表明,稀土氧化物(Lu2O3)作为烧结助剂能够有效改善氮化硅粉体的烧结活性,使得烧结致密化,主晶相为β氮化硅,具有良好的微观形貌和力学性能.从氧化增重曲线可以得出样品的高温氧化行为服从抛物线氧化规律,表明离子扩散是氧化过程的控速步骤.","authors":[{"authorName":"童旭光","id":"699987b4-a2f7-4702-9979-f50f9836f4d9","originalAuthorName":"童旭光"},{"authorName":"杨晓战","id":"360d09a4-c414-4166-a080-4c661ce50690","originalAuthorName":"杨晓战"},{"authorName":"李建保","id":"a41d0f84-9087-48db-999a-eea059cd91ee","originalAuthorName":"李建保"}],"doi":"","fpage":"508","id":"f1ef8e4a-607f-41d6-92ee-09524ee8e8d1","issue":"z1","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"bebd34cf-5515-4c89-86a4-56efb88da563","keyword":"氮化硅","originalKeyword":"氮化硅"},{"id":"875f40f5-118b-4197-a711-682550cea8bf","keyword":"氧化镥","originalKeyword":"氧化镥"},{"id":"d15d6966-726e-492d-8c90-3ac5049dc1e7","keyword":"力学性能","originalKeyword":"力学性能"},{"id":"041e622f-68b3-41ab-948f-e23dada60437","keyword":"氧化","originalKeyword":"氧化"}],"language":"zh","publisherId":"xyjsclygc2005z1137","title":"稀土掺杂氮化硅陶瓷的制备、力学性能和高温氧化性能","volume":"34","year":"2005"},{"abstractinfo":"本文以水、丙酮、乙醇、乙二醇为溶剂,采用溶剂热法制备了不同形貌的纳米氧化镥(Lu2O3粉)粉体前驱体,将前驱体在400~800 ℃条件下煅烧2 h制得了不同形貌的Eu3+:Lu2O3粉体.研究发现,所用溶剂的物理性质对产生特定形貌的样品具有重要的影响,以水和丙酮为溶剂,可制得具有较高长径比的Lu2O3纳米棒,而当溶剂为乙醇和乙二醇时,所得Lu2O3粉体为等轴状的纳米颗粒.","authors":[{"authorName":"邱华军","id":"bc6ad40c-07e2-4132-b5a7-c14aecbdd0a4","originalAuthorName":"邱华军"},{"authorName":"施鹰","id":"52954979-c42e-4c80-8c4a-51a8de41cc9f","originalAuthorName":"施鹰"},{"authorName":"谢建军","id":"1c6fb88a-8a26-4d6b-b3ee-e7270021b257","originalAuthorName":"谢建军"},{"authorName":"谢杰","id":"6e95a47f-5a22-4ef3-97e2-66fc96076ee6","originalAuthorName":"谢杰"}],"doi":"","fpage":"422","id":"50a4e749-c4da-4a43-a0bc-ce62da0f033d","issue":"2","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"eaf463da-a230-4fe7-b4d5-853515250f5a","keyword":"溶剂热法","originalKeyword":"溶剂热法"},{"id":"62596f07-6e94-4dcc-9ee7-c7574d14426d","keyword":"氧化镥","originalKeyword":"氧化镥"},{"id":"5a77354d-b79c-4ae8-8667-3fa89c0ce5c2","keyword":"纳米粉体","originalKeyword":"纳米粉体"},{"id":"c405a3f6-ddb1-41a2-a5a5-2192216f44c0","keyword":"形貌","originalKeyword":"形貌"}],"language":"zh","publisherId":"rgjtxb98201002030","title":"溶剂热法制备不同形貌纳米Lu2O3粉体","volume":"39","year":"2010"},{"abstractinfo":"研究了共沉淀法制备Eu3+掺杂氧化镥(Lu2O3)发光粉体过程中三种不同的沉淀剂(氨水、碳酸氢铵以及NH3·H2O+NH4HCO3两者的混合溶液)对所得粉体形貌的影响.通过差热热重质谱联用(DTA-TG-MS)和红外光谱研究了不同沉淀剂所得沉淀前驱体的热分解行为,结合显微结构观察、粒度分布和比表而积测试,对i种沉淀剂影响Lu2O3晶粒尺寸和团聚状态的规律进行了探讨.研究发现:采用NH3·H2O+NH4HCO3混合沉淀剂得到的Lu2O3粉体具有最佳的显微结构和粒径分布状态,沉淀前驱体经1000°C煅烧2h,粉体的平均晶粒尺寸为35nm,中位粒径(D50)为0.48μm.","authors":[{"authorName":"施鹰","id":"fa4382e8-e6cb-40b4-a625-00cc0ee88e2a","originalAuthorName":"施鹰"},{"authorName":"陈启伟","id":"21bf8b34-65c4-441a-bcfc-205cd6bfb56a","originalAuthorName":"陈启伟"},{"authorName":"施剑林","id":"3a923a5c-fc93-497b-949e-baa5402287cf","originalAuthorName":"施剑林"}],"doi":"10.3321/j.issn:1000-324X.2008.04.038","fpage":"824","id":"74755da9-6ac9-4eba-abf9-45f0da856004","issue":"4","journal":{"abbrevTitle":"WJCLXB","coverImgSrc":"journal/img/cover/WJCLXB.jpg","id":"62","issnPpub":"1000-324X","publisherId":"WJCLXB","title":"无机材料学报"},"keywords":[{"id":"c6f30ab5-07fe-4907-ac2c-83a6fdb4732f","keyword":"沉淀剂","originalKeyword":"沉淀剂"},{"id":"c7b7f995-fb1d-471f-a0dd-e7ce7902447e","keyword":"氧化镥","originalKeyword":"氧化镥"},{"id":"ec6c254f-59c0-42a2-b99d-d47bcaaf5be3","keyword":"粉体","originalKeyword":"粉体"},{"id":"745a0857-8f02-427f-9ee4-3886b2fab212","keyword":"共沉淀法","originalKeyword":"共沉淀法"}],"language":"zh","publisherId":"wjclxb200804038","title":"沉淀剂对共沉淀法制备Lu2O3发光粉体形貌的影响","volume":"23","year":"2008"},{"abstractinfo":"以稀土氧化物Lu2O3作为单一添加剂,研究了稀土氧化物的添加量对氮化硅在相变过程密度、力学性能的影响规律.指出了氮化硅粉体的α→β相变率与稀土氧化物的添加量、粉体的热处理温度之间的关系.研究表明:加入Lu2O3添加剂后,β-Si3N4相的比率随着温度的升高呈明显上升趋势,当热处理温度达到1750℃时,β-Si3N4相的比率几乎接近或达到100%.随着Lu2O3含量的增加,在烧结过程中所形成的液相量随之增多,相对密度随之提高.随Lu2O3添加量的增加,试样的抗弯强度也增大,在10%时达到峰值,抗弯强度为1259.90MPa;氮化硅陶瓷的硬度随Lu2O3添加量的变化规律与抗弯强度的变化规律相似.Lu2O3含量在10%时,试样的断裂韧性值达到最大,为6.277MPa·m1/2.","authors":[{"authorName":"仝建峰","id":"e51b998a-9fb3-4f77-af49-2e360452c9de","originalAuthorName":"仝建峰"},{"authorName":"李宝伟","id":"f8ca20ad-02a1-48df-abac-d79b6b605204","originalAuthorName":"李宝伟"},{"authorName":"王岭","id":"d433bad7-af62-474d-88f6-943aff3aa39f","originalAuthorName":"王岭"},{"authorName":"陈大明","id":"3228285c-ce57-42ce-80e0-c812e4bbb280","originalAuthorName":"陈大明"}],"doi":"10.3969/j.issn.1001-4381.2010.z1.001","fpage":"1","id":"181afc7f-f1dd-4536-84c0-b1534a7e19cc","issue":"z1","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"3e3060ee-ccfd-479b-bfba-cc3e5828de4a","keyword":"氮化硅","originalKeyword":"氮化硅"},{"id":"e18cea73-9b96-4d5c-acec-a81d2ff46e68","keyword":"氧化镥","originalKeyword":"氧化镥"}],"language":"zh","publisherId":"clgc2010z1001","title":"稀土Lu2O3对氮化硅陶瓷性能的影响","volume":"","year":"2010"},{"abstractinfo":"以稀土氧化物Lu_2O_3作为单一添加剂,研究在热处理过程中,稀土氧化物对氮化硅在粉体状态下相变的影响.指出氮化硅粉体的α→β相变率与稀土氧化物的添加量、粉体的热处理温度之间的关系.发现热处理温度在1650 ℃以下时,氮化硅粉体的相变率随着添加剂含量的异常变化.以上述制备的β-氮化硅晶种,在不进行化学处理的情况下直接用于氮化硅陶瓷的增韧,使得所制备的氮化硅陶瓷在保持原有的室温强度基本不变的情况下,断裂韧性得到大幅度提高.在此体系中研究了β-氮化硅晶种的增韧效果及机制.分析了晶粒尺寸及其分布与氮化硅陶瓷性能及显微结构之间的关系.研究表明:以Lu_2O_3为单一添加剂的自增韧氮化硅陶瓷,晶种的加入使材料在保持强度的同时,断裂韧性提高了10%~20%.","authors":[{"authorName":"仝建峰","id":"eccd55cb-f07a-480d-9112-4a9e6c92832d","originalAuthorName":"仝建峰"},{"authorName":"钟凌生","id":"8b9fc34d-332a-4361-bac2-2dc494568012","originalAuthorName":"钟凌生"},{"authorName":"陈大明","id":"99a227dd-2e45-466b-9675-e930bacff673","originalAuthorName":"陈大明"},{"authorName":"韩敏芳","id":"72923d48-2944-4608-8b2f-2e0047aa6245","originalAuthorName":"韩敏芳"}],"doi":"","fpage":"106","id":"ec1b28ae-4b93-4f06-9967-804685b9a94f","issue":"z2","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"0c772d26-4ed1-4dcc-a0ed-2910c13562a7","keyword":"氮化硅","originalKeyword":"氮化硅"},{"id":"4fd7ef4f-423e-4cdc-b197-6bf8207d0f4b","keyword":"自增韧","originalKeyword":"自增韧"},{"id":"8402c5b1-cf9a-43f3-9946-3b4547093509","keyword":"氧化镥","originalKeyword":"氧化镥"},{"id":"2891349b-05fc-4f5f-96fd-a97218afea33","keyword":"晶种","originalKeyword":"晶种"}],"language":"zh","publisherId":"xyjsclygc2009z2029","title":"稀土Lu_2O_3增强氮化硅陶瓷的结构与性能","volume":"38","year":"2009"},{"abstractinfo":"本文采用提拉法生长出了硅酸镥闪烁晶体,讨论了晶体生长中遇到的问题,所生长的硅酸镥晶体有开裂、解理、多晶、回熔现象等宏观生长缺陷和包裹物、位错等微观缺陷.开裂是由热应力和晶体解理两种因素引起的,其中热应力是导致开裂的主要因素,优化生长工艺条件可完全避免开裂.晶体中存在两种包裹物,成份分别为氧化镥和坩埚材料铱,氧化镥很可能是未参加反应的原料,也有可能是氧化硅挥发而导致氧化镥析出.","authors":[{"authorName":"秦来顺","id":"a827817a-1cd6-466a-8cdf-25801f1b94aa","originalAuthorName":"秦来顺"},{"authorName":"陆晟","id":"a669724e-5ff9-46ae-9222-ec4494a6f8b9","originalAuthorName":"陆晟"},{"authorName":"李焕英","id":"79430510-c362-407f-8ed4-ba4a05ad0a59","originalAuthorName":"李焕英"},{"authorName":"史宏声","id":"130bb329-3798-43bb-9ba4-7e294c656fb2","originalAuthorName":"史宏声"},{"authorName":"任国浩","id":"719cf2f2-70b0-46ba-8b91-fab702bf314a","originalAuthorName":"任国浩"}],"doi":"10.3969/j.issn.1000-985X.2004.06.027","fpage":"999","id":"b89bec32-dd73-4573-a84f-4660285a1893","issue":"6","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"a6a032ae-e111-4a6e-8667-dab498f916ac","keyword":"硅酸镥","originalKeyword":"硅酸镥"},{"id":"e2f68fc8-fd5a-4dfe-8881-0007d4c74002","keyword":"闪烁晶体","originalKeyword":"闪烁晶体"},{"id":"886b2225-06ef-4359-b498-fa43eb00f1d6","keyword":"晶体生长","originalKeyword":"晶体生长"},{"id":"4662c348-ec5d-487e-9375-db26c4841bea","keyword":"缺陷","originalKeyword":"缺陷"}],"language":"zh","publisherId":"rgjtxb98200406027","title":"硅酸镥闪烁晶体的生长与缺陷研究","volume":"33","year":"2004"},{"abstractinfo":"用高温熔融法制备了 Dy3+/Tb3+掺杂的高钆镥氟氧化物闪烁玻璃样品,测试分析了其吸收光谱、激发与发射光谱及衰减曲线等。研究了Dy3+和 Tb3+离子浓度增加对 Tb3+离子发光的影响以及Dy3+离子的浓度猝灭效应;通过 IH 理论模型分析了 Dy3+和Tb3+离子的能量传递方式和能量传递效率。结果表明Dy3+离子对 Tb3+离子发光具有敏化作用,随着Dy3+离子浓度增加敏化作用增强,但是当Dy3+离子的浓度达到2%(摩尔分数)以上时,随着 Dy3+离子浓度的增加,Tb3+离子的发光强度降低;Dy3+和 Tb3+离子的能量传递方式为无辐射能量传递方式,且能量传递效率可以达到60%以上。","authors":[{"authorName":"杨斌","id":"8d96e9fc-10b5-41a2-bb13-23b2dd55b41d","originalAuthorName":"杨斌"},{"authorName":"王倩","id":"824a5400-915b-485c-bf64-273a585f69b9","originalAuthorName":"王倩"},{"authorName":"张约品","id":"49ac4ad8-5db1-4194-8ae0-78f6a7b2b6a7","originalAuthorName":"张约品"},{"authorName":"夏海平","id":"5f71541e-1ad1-45c5-8b0f-a0a3d90d53ff","originalAuthorName":"夏海平"}],"doi":"10.3969/j.issn.1001-9731.2015.06.019","fpage":"6091","id":"44c5813f-6861-4b3e-abf6-0a75153dfd0e","issue":"6","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"4a5d68de-c089-466a-a6b8-6b39d4984b86","keyword":"闪烁玻璃","originalKeyword":"闪烁玻璃"},{"id":"95d5312b-5b9d-432f-a344-0fa6afa8bc11","keyword":"光谱分析","originalKeyword":"光谱分析"},{"id":"e1783e10-1edc-413c-a14a-ea2136ea32ab","keyword":"I-H 理论模型","originalKeyword":"I-H 理论模型"},{"id":"05bec900-9911-44ec-9f86-ac3b2b1b42c0","keyword":"能量传递","originalKeyword":"能量传递"}],"language":"zh","publisherId":"gncl201506019","title":"Dy3+/Tb 3+掺杂高钆镥闪烁玻璃光谱性能?","volume":"","year":"2015"},{"abstractinfo":"合成了7种同一系列新型酰亚胺类萃取剂,并运用元素分析、核磁共振、红外光谱、紫外光谱等测试手段对其物化指标进行了表征.萃取性能表明,烷基酰亚胺萃取稀土镥的能力与骨架空间结构有关.直链烷基酰亚胺萃取镥的能力大于相应的支链烷基酰亚胺,而且随链长的增长萃取能力不断增强.利用斜率法,采取直线线性回归求得镥(Ⅲ)与萃取剂基本上以1:2交换.相同条件下,7种酰亚胺类萃取剂分配比的大小顺序为DOI>DDI>DHI>HAI>HIBI>DBI>BIBI.","authors":[{"authorName":"刘峙嵘","id":"f9f8ce33-8008-44af-85f7-010a3b152555","originalAuthorName":"刘峙嵘"},{"authorName":"周利民","id":"a6ad6e82-8d3f-47bf-8a47-7c62c2b059ee","originalAuthorName":"周利民"},{"authorName":"李传茂","id":"00eef7ed-1cda-4014-8954-474085fe8378","originalAuthorName":"李传茂"},{"authorName":"江小昌","id":"ee9258a9-a29a-4539-9074-fbfdc43c190d","originalAuthorName":"江小昌"}],"doi":"10.3969/j.issn.0258-7076.2006.03.021","fpage":"353","id":"b0d3804a-ca31-4c4e-939b-87f2729731c7","issue":"3","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"5b46f013-2d48-489a-a1bd-b108371ca12a","keyword":"烷基酰亚胺","originalKeyword":"烷基酰亚胺"},{"id":"0dfbd82f-fcde-4c0a-b857-dd56cd375d04","keyword":"合成","originalKeyword":"合成"},{"id":"967a6cb2-ce93-4d82-a3d6-880583fd9d7a","keyword":"镥","originalKeyword":"镥"},{"id":"afc8b77a-08fe-44f5-8830-470c47047526","keyword":"萃取","originalKeyword":"萃取"}],"language":"zh","publisherId":"xyjs200603021","title":"不同烷基酰亚胺的合成及对镥的萃取","volume":"30","year":"2006"},{"abstractinfo":"本文首先综述了硅酸镥(Ce:Lu2SiO5)闪烁晶体的晶体结构、闪烁性能、闪烁机理与晶体生长的研究现状,重点阐述了目前的三种晶体生长工艺及其取得的研究进展,然后分析了目前文献报道晶体中存在的问题,提出了硅酸镥闪烁晶体未来研究发展的几个方向为:各向异性研究、开拓新的生长方法、类质同象置换与发光均匀性、晶体余辉及发光机理的研究.","authors":[{"authorName":"秦来顺","id":"93fdcc45-3811-40a4-82f1-e849f4b5f32f","originalAuthorName":"秦来顺"},{"authorName":"任国浩","id":"c9cde2d7-86c8-48f9-976d-584947ac0007","originalAuthorName":"任国浩"}],"doi":"10.3969/j.issn.1000-985X.2003.04.002","fpage":"286","id":"68d48a39-7ef2-44c5-a840-9a733d023650","issue":"4","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"8976e73d-c12d-43d8-800a-cccf3d7eab56","keyword":"硅酸镥","originalKeyword":"硅酸镥"},{"id":"d707b932-e899-4cef-a89c-8a20d78a4257","keyword":"闪烁晶体","originalKeyword":"闪烁晶体"},{"id":"6cd89c75-6dfc-46a9-85ca-58d87bb7ae21","keyword":"研究进展","originalKeyword":"研究进展"}],"language":"zh","publisherId":"rgjtxb98200304002","title":"硅酸镥闪烁晶体的研究进展与发展方向","volume":"32","year":"2003"}],"totalpage":2929,"totalrecord":29281}