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公开(公告)号:US4473518A
公开(公告)日:1984-09-25
申请号:US399116
申请日:1982-07-16
CPC分类号: C09K11/7769
摘要: A process for preparing a rare earth oxide type phosphor comprises compressing a starting mixture composed essentially of a matrix material for said rare earth oxide type phosphor, an activator material and a flux under a presssure of from 250 to 1500 kg/cm.sup.2 to form a compact, and firing and unbinding the compact thereby obtained.
摘要翻译: 一种制备稀土氧化物型荧光体的方法包括在250至1500kg / cm 2的压力下压制基本上由所述稀土氧化物型荧光体的基质材料,活化剂材料和助熔剂组成的起始混合物,以形成紧凑 ,由此获得的烧结和解链。
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公开(公告)号:US4689277A
公开(公告)日:1987-08-25
申请号:US804767
申请日:1985-12-05
申请人: Yukinori Minagawa , Minoru Tanaka , Keiko Matsuo , Etsuo Shimizu
发明人: Yukinori Minagawa , Minoru Tanaka , Keiko Matsuo , Etsuo Shimizu
CPC分类号: G21K4/00 , C09K11/02 , C09K11/025 , C09K11/7701 , Y10S428/917
摘要: A rare earth phosphor comprising a rare earth oxyhalide phosphor body and cinnamic acid which may have a hydrophobic substituent and which is adhered to or brought in contact with the phosphor body.
摘要翻译: 一种稀土荧光粉,其包含稀土卤氧化物荧光体和肉桂酸,其可以具有疏水性取代基并且粘附或与荧光体接触。
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公开(公告)号:US4865823A
公开(公告)日:1989-09-12
申请号:US229736
申请日:1988-08-03
CPC分类号: C01G15/003 , B01J45/00 , C22B3/24 , Y02P10/234 , Y10S423/14
摘要: A method for recovering gallium, which comprises a capturing step of contacting an aqueous solution containing gallium to a chelating agent containing a water-insoluble substituted quinolinol as the active ingredient, to let the chelating agent capture gallium, and an eluting step of contacting an eluting solution composed of an aqueous solution of an acid or strong base containing said substituted quinolinol, to the chelating agent from the capturing step, to elute gallium therefrom.
摘要翻译: 一种回收镓的方法,其包括将含有镓的水溶液与含有不溶于水的取代的羟基喹啉的螯合剂作为活性成分接触以使螯合剂捕获镓的捕获步骤,以及使洗脱步骤 由含有所述取代的羟基喹啉的酸或强碱的水溶液组成的溶液与捕获步骤的螯合剂一起从其中洗脱镓。
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公开(公告)号:US4201747A
公开(公告)日:1980-05-06
申请号:US949010
申请日:1978-10-06
CPC分类号: C22B3/0095 , C22B3/0087 , C22B59/00 , Y02P10/234 , Y10S423/14
摘要: Yttrium ions are selectively separated by extracting the yttrium ions by contacting an aqueous solution containing hydroxyethyl ethylenediaminetriacetic acid, yttrium ions and lanthanide ions with an extracting solvent containing tributyl phosphate and an acid phosphoric ester having the formula ##STR1## wherein R.sup.1 represents hydrogen atom or an alkyl group having the formula ##STR2## wherein n is an integer of 6 to 15 and m is n-1 or n-2; and R.sup.2 represents an alkyl group having the formula ##STR3## wherein n is an integer of 6 to 15 and m is n-1 or n-2.
摘要翻译: 通过使包含羟乙基乙二胺三乙酸,钇离子和镧系元素离子的水溶液与含有磷酸三丁酯的萃取溶剂和具有式(I)的酸式磷酸酯接触来提取钇离子来选择性分离钇离子,其中R1表示氢 原子或具有式“IMAGE”的烷基,其中n为6至15的整数,m为n-1或n-2; 并且R 2表示具有式“IMAGE”的烷基,其中n为6至15的整数,m为n-1或n-2。
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公开(公告)号:US4104358A
公开(公告)日:1978-08-01
申请号:US804465
申请日:1977-06-07
CPC分类号: C01F17/0006
摘要: Yttrium ions are selectively extracted by contacting an acid phosphoric ester with an aqueous solution containing diethylenetriaminepentaacetic acid and yttrium ions and one or more heavy rare earth (atomic number of 64 to 71) ions.
摘要翻译: 通过使酸性磷酸酯与含有二亚乙基三胺五乙酸和钇离子的水溶液和一种或多种重稀土离子(原子序数64至71)的离子接触来选择性地提取钇离子。
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