{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"银钨合金触点是重要的电接触材料,报废银钨触点中银钨的分离和资源化问题引起了越来越多的重视.以报废银钨触头为原料,提出了“一次分银-焙烧-二次分银”的回收工艺,考察了银钨分离的工艺条件,通过实践验证了其可靠性,银、钨的回收率达到99％以上.回收得到的银和钨可分别深加工成粒度为0.3～0.6 μm的超细银粉和纯净的WO3产品.","authors":[{"authorName":"王琪","id":"7950521d-2e2a-4ba7-935f-2e54c250ae39","originalAuthorName":"王琪"},{"authorName":"<span style=\"color:red\">娄</span><span style=\"color:red\">德</span><span style=\"color:red\">大</span>","id":"77d01628-3710-41d9-84da-357d1489035c","originalAuthorName":"娄德大"},{"authorName":"徐元萍","id":"49fa2482-74a2-45ce-bff6-88e96be0f863","originalAuthorName":"徐元萍"},{"authorName":"周全法","id":"6a9e0c08-241a-4583-9d7f-0abdbc63e7bb","originalAuthorName":"周全法"}],"doi":"","fpage":"1817","id":"8f775ca1-4a27-483d-b2a2-b833c16672de","issue":"10","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":"2ca28569-82a8-4058-af57-a973b9269578","keyword":"银钨触头","originalKeyword":"银钨触头"},{"id":"56ccf998-30fb-4e59-9587-c7f133982857","keyword":"银钨分离","originalKeyword":"银钨分离"},{"id":"733cc232-12e9-4a80-8889-4a36efd78501","keyword":"超细银粉","originalKeyword":"超细银粉"},{"id":"2e331e6e-8455-4a9b-ac9b-d5b68459cfc8","keyword":"三氧化钨","originalKeyword":"三氧化钨"}],"language":"zh","publisherId":"xyjsclygc201110027","title":"报废银钨触头回收银和钨的工艺研究","volume":"40","year":"2011"},{"abstractinfo":"研究了利用废弃银铜合金触点(Ag、Cu、Sn质量分数分别约为30 %、60 %和2 %)直接制备银铜双金属粉的工艺.原料以硝酸溶解后,采用葡萄糖预还原和水合肼二次还原,在聚乙烯吡咯烷酮(PVP)的保护下制得了粒径在1μm左右类球形超细银铜双金属粉和超细铜粉.还原前加入尿素,控制反应温度在60 ℃温度下,加入抗氧化剂苯并三氮唑,均可防止铜粉的表面氧化,从而获得高质量的银铜双金属粉,银、铜的回收率达到99 %以上.所得产品可再用于粉末冶金法制备银铜合金触点,或者直接用于制备电子浆料.该工艺可避免银、铜的分离过程,使废弃银、铜合金触点中银、铜的回收和深加工得到有效结合,从而实现节能减排的目标.","authors":[{"authorName":"王琪","id":"925c54df-2abb-4f51-a025-0aab259892f4","originalAuthorName":"王琪"},{"authorName":"<span style=\"color:red\">娄</span><span style=\"color:red\">德</span><span style=\"color:red\">大</span>","id":"c5366f44-6225-4181-970e-0998a5c15c43","originalAuthorName":"娄德大"},{"authorName":"周全法","id":"91a76f4f-54d2-4bdf-80e3-65813d79904d","originalAuthorName":"周全法"}],"doi":"10.3969/j.issn.1001-1277.2010.10.002","fpage":"6","id":"0352733f-8b73-4833-8869-2af34be343b2","issue":"10","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"1f2f1ce4-d94d-4f0e-b17a-9608dd2b3b4d","keyword":"银铜触点","originalKeyword":"银铜触点"},{"id":"d01a5fd2-15a4-4667-b910-e4d7f313c84d","keyword":"银铜双金属粉","originalKeyword":"银铜双金属粉"},{"id":"b00635ea-97aa-4495-89b4-2610f2caebb1","keyword":"超细铜粉","originalKeyword":"超细铜粉"}],"language":"zh","publisherId":"huangj201010002","title":"利用废弃银铜合金触点直接制备银铜双金属粉","volume":"31","year":"2010"},{"abstractinfo":"对<span style=\"color:red\">德</span>马克连铸机存在的问题进行分析,并针对存在问题进行技术改造,收到较好的效果,使铸坯质量和产量得到明显的提高.","authors":[{"authorName":"姜振强","id":"09c1d70f-8c55-47ae-ba0f-c0e77f57b958","originalAuthorName":"姜振强"},{"authorName":"郭广文","id":"a17f5c61-3ee8-48b8-a907-1897fc12daaf","originalAuthorName":"郭广文"},{"authorName":"陈树林","id":"6d5932f7-228e-47bd-8e6d-5b42150a9407","originalAuthorName":"陈树林"}],"doi":"10.3969/j.issn.1005-4006.2003.05.005","fpage":"12","id":"5777ebc2-0764-44e5-8805-c7c4c71980c2","issue":"5","journal":{"abbrevTitle":"LZ","coverImgSrc":"journal/img/cover/LZ.jpg","id":"52","issnPpub":"1005-4006","publisherId":"LZ","title":"连铸"},"keywords":[{"id":"21ad4ab9-9ba1-467e-b781-12be7452c174","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"lz200305005","title":"<span style=\"color:red\">德</span>马克连铸机系统改造","volume":"","year":"2003"},{"abstractinfo":"测定了<span style=\"color:red\">娄</span>山河表层沉积物间隙水中重金属(Cu、As、Pb、Zn、Cr、Cd和Ni)的质量浓度,采用改正的BCR顺序提取法分析了沉积物中重金属的赋存形态,并分别基于美国水质基准(CCC、CMC)和风险评价编码法(RAC)、潜在生态风险指数法对间隙水和表层沉积物中重金属的毒性及生态风险进行评价.结果表明,<span style=\"color:red\">娄</span>山河表层沉积物间隙水中Cr、Pb可能对水生态系统产生急性或慢性毒性.沉积物中7种重金属的含量均高于土壤背景值,呈现累积效应.沉积物中As、Ni主要赋存于残渣态,Cu、Cr主要赋存于可氧化态和残渣态,Pb、Zn在多数点位以残渣态为主,Cd以酸可溶解态为主要赋存形态.除As外,其余重金属的可提取态含量高于残渣态,有较高的二次释放潜力.RAC的评价结果表明,表层沉积物中Cu、As、Pb和Cr处于无风险到低风险级,Zn、Ni处于低风险到高风险级,Cd以高风险和极高风险级为主,不同重金属RAC的平均值依次为Cd＞Zn＞Ni＞Pb＞Cu＞As＞Cr.潜在生态风险指数法的评价结果表明,Zn为低生态风险,其余重金属均存在点位处于中等及以上生态风险,RI值表明研究区采样点有中等到极强生态风险.","authors":[{"authorName":"李永霞","id":"b7c014a0-302f-427c-a7ca-5cbf1b5440b3","originalAuthorName":"李永霞"},{"authorName":"黄莹","id":"54450ff0-e52e-4f9d-8b68-68b0ad57e45e","originalAuthorName":"黄莹"},{"authorName":"高甫威","id":"ccaee8d2-21c3-4325-9b51-7631c0b5a33c","originalAuthorName":"高甫威"},{"authorName":"徐民民","id":"f6d3f708-544c-463d-af59-b40198987c8a","originalAuthorName":"徐民民"},{"authorName":"孙博","id":"7ef90602-c217-43de-b7cc-2cbd08934505","originalAuthorName":"孙博"},{"authorName":"王宁","id":"33ce47c9-9aab-4d6c-a1f0-d81c47bf9e8c","originalAuthorName":"王宁"},{"authorName":"杨健","id":"0cb3ccd5-11fe-4c3d-af3d-4e71ef13245a","originalAuthorName":"杨健"}],"doi":"10.7524/j.issn.0254-6108.2016.02.2015050403","fpage":"393","id":"8b5e4583-0f64-4b5d-a4fa-4f3a656d6a57","issue":"2","journal":{"abbrevTitle":"HJHX","coverImgSrc":"journal/img/cover/HJHX.jpg","id":"43","issnPpub":"0254-6108","publisherId":"HJHX","title":"环境化学   "},"keywords":[{"id":"f851caf5-8d56-4d36-a153-b46f107ffdca","keyword":"<span style=\"color:red\">娄</span>山河","originalKeyword":"娄山河"},{"id":"0b74e61a-4217-478f-8842-6e66b723bede","keyword":"间隙水","originalKeyword":"间隙水"},{"id":"f87d7a06-14df-409a-acd5-5148de95efe7","keyword":"表层沉积物","originalKeyword":"表层沉积物"},{"id":"d153173a-3257-49f7-9e29-20db17d3e050","keyword":"重金属","originalKeyword":"重金属"},{"id":"7d4f1844-8e3b-41fc-beec-5cb8c0745679","keyword":"赋存形态","originalKeyword":"赋存形态"},{"id":"8548ab38-193c-4a0a-8a71-cc7cf3f70f99","keyword":"风险评价","originalKeyword":"风险评价"}],"language":"zh","publisherId":"hjhx201602021","title":"<span style=\"color:red\">娄</span>山河表层沉积物重金属赋存形态及风险评价","volume":"35","year":"2016"},{"abstractinfo":"介绍了贝纳<span style=\"color:red\">德</span>效应,胆甾相液晶织构等概念,实验制备出胆甾相液晶平面态样品,用偏光显微镜观察温度场致织构变化,观察到液晶盒在清亮点温度附近出现特殊花纹图案,类似于贝纳<span style=\"color:red\">德</span>效应或者是温度场致方格栅效应.实验现象说明了温度场使液晶分子产生对流,在偏光显微镜下观察双折射干涉,指向矢分布有周期性变化,形成了微观的贝纳<span style=\"color:red\">德</span>花纹.实验现象对于胆甾相液晶基础研究具有一定意义.","authors":[{"authorName":"杨磊","id":"5013b502-d604-4221-9af6-8bbbd1960581","originalAuthorName":"杨磊"},{"authorName":"刘洋","id":"202a3a36-249d-468b-b8da-59e126411cd9","originalAuthorName":"刘洋"},{"authorName":"郑永磊","id":"b3d0d06e-5f02-457a-8669-2d895d24bcfb","originalAuthorName":"郑永磊"},{"authorName":"高攀","id":"d0eac134-2d43-4079-aead-c0198398411b","originalAuthorName":"高攀"},{"authorName":"范志新","id":"c705feda-75b8-4a3e-b8ce-75b233083e88","originalAuthorName":"范志新"}],"doi":"10.3788/YJYXS20122703.0288","fpage":"288","id":"33e8f1ec-a2c9-492e-91eb-0329df32f5d9","issue":"3","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示   "},"keywords":[{"id":"abe8f909-b3b4-46da-8e99-5ae5f2101e23","keyword":"胆甾相液晶","originalKeyword":"胆甾相液晶"},{"id":"3f874625-c7c5-48c7-ab2a-44cf168fb99b","keyword":"平面织构","originalKeyword":"平面织构"},{"id":"c5070beb-0731-49fc-b2c8-2db59f17bc70","keyword":"方格栅效应","originalKeyword":"方格栅效应"},{"id":"0dea2f30-25a1-44cc-b3df-f8245b693b31","keyword":"贝纳<span style=\"color:red\">德</span>效应","originalKeyword":"贝纳德效应"},{"id":"43b474c5-b82e-49a8-8bbe-9a835c9ce411","keyword":"偏光显微镜","originalKeyword":"偏光显微镜"}],"language":"zh","publisherId":"yjyxs201203002","title":"胆甾相液晶盒贝纳<span style=\"color:red\">德</span>效应实验","volume":"27","year":"2012"},{"abstractinfo":"建立了一快速、简单地测定阿<span style=\"color:red\">德</span>福韦酯及其降解产物阿<span style=\"color:red\">德</span>福韦单特戊酸甲基酯、阿<span style=\"color:red\">德</span>福韦的反相高效液相色谱方法.以Inertsil CN-3化学键合硅胶为固定相,以乙腈-25 mmol/L磷酸盐缓冲液(pH 4.0)(体积比为33∶67)为流动相,流速1.0 mL/min,检测波长260 nm.阿<span style=\"color:red\">德</span>福韦酯、阿<span style=\"color:red\">德</span>福韦的质量浓度分别为1.861～181.7 mg/L和2.018～197.2 mg/L时与峰面积呈良好的线性关系(r分别为0.9999和0.9998);阿<span style=\"color:red\">德</span>福韦酯及阿<span style=\"color:red\">德</span>福韦平均加样回收率分别为99.5% ～101.0%和99.1% ～99.6% ,相对标准偏差(RSD)均低于1.0% ,阿<span style=\"color:red\">德</span>福韦的最小检测量(以信噪比为3计)为1 ng.该方法能同时测定阿<span style=\"color:red\">德</span>福韦酯及其降解产物,可用于阿<span style=\"color:red\">德</span>福韦酯降解产物的检测.","authors":[{"authorName":"蒋晔","id":"d81c9556-101e-44ae-8f7d-708558882cea","originalAuthorName":"蒋晔"},{"authorName":"徐智儒","id":"9eef3ed2-ee80-4552-ab3a-268dbcbc9fd9","originalAuthorName":"徐智儒"},{"authorName":"张晓青","id":"a608aa9c-6cca-4251-8a2a-f07c34a05c73","originalAuthorName":"张晓青"}],"doi":"10.3321/j.issn:1000-8713.2004.03.015","fpage":"248","id":"aae1beb3-7cee-4866-ac8c-fd12afe66285","issue":"3","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"b1838086-88c9-409b-a0bb-b040bd650e14","keyword":"高效液相色谱法","originalKeyword":"高效液相色谱法"},{"id":"5511da67-0d84-4304-94fb-d76a67fc0b6b","keyword":"阿<span style=\"color:red\">德</span>福韦酯","originalKeyword":"阿德福韦酯"},{"id":"8b0de6ef-2781-4f9a-a028-670dc773b0c8","keyword":"降解产物","originalKeyword":"降解产物"}],"language":"zh","publisherId":"sp200403015","title":"反相高效液相色谱法测定阿<span style=\"color:red\">德</span>福韦酯及其降解产物","volume":"22","year":"2004"},{"abstractinfo":"主要研究了超声处理对伍<span style=\"color:red\">德</span>合金凝固组织及气孔的作用.结果表明,超声处理可以明显细化伍<span style=\"color:red\">德</span>合金的凝固组织;同时超声处理具有明显的除气效果,随着超声波功率的增强,晶粒尺寸明显减小,除气效果显著.对伍<span style=\"color:red\">德</span>合金凝固过程的超声处理,起主要作用的是声空化和声流作用.","authors":[{"authorName":"陈琳","id":"54889cfe-305a-4f61-9f2e-419640d22cd7","originalAuthorName":"陈琳"},{"authorName":"宗燕兵","id":"36a3e3db-ad71-4ca6-86e4-099f5ba9c418","originalAuthorName":"宗燕兵"},{"authorName":"苍<span style=\"color:red\">大</span>强","id":"9bf876c9-9046-49df-b187-7f60f1bd0f78","originalAuthorName":"苍大强"},{"authorName":"甄云璞","id":"42c2028d-2527-43ce-be89-437530e16f62","originalAuthorName":"甄云璞"}],"doi":"","fpage":"339","id":"3b4d84ce-753a-4845-a791-57864b34bbf0","issue":"3","journal":{"abbrevTitle":"CLKXYGCXB","coverImgSrc":"journal/img/cover/CLKXYGCXB.jpg","id":"13","issnPpub":"1673-2812","publisherId":"CLKXYGCXB","title":"材料科学与工程学报"},"keywords":[{"id":"6ed62144-afc9-4cfe-a445-f47b6ffe7641","keyword":"超声波","originalKeyword":"超声波"},{"id":"483e0482-c2d8-4408-893f-6513a38b54d1","keyword":"伍<span style=\"color:red\">德</span>合金","originalKeyword":"伍德合金"},{"id":"935bb526-03e2-49a9-b36c-483280ee22d8","keyword":"凝固组织","originalKeyword":"凝固组织"},{"id":"e50833e9-d94d-4e2c-ba32-a20b87330cde","keyword":"气孔","originalKeyword":"气孔"},{"id":"d329357a-8598-48fc-ba47-85513da3d2b6","keyword":"声空化","originalKeyword":"声空化"}],"language":"zh","publisherId":"clkxygc200803005","title":"超声处理对伍<span style=\"color:red\">德</span>合金细化及气孔生成的影响","volume":"26","year":"2008"},{"abstractinfo":"对<span style=\"color:red\">德</span>马克型连铸机改造后漏钢事故频繁发生的原因进行分析,提出改进措施,取得了较好的效果.","authors":[{"authorName":"陈树林","id":"0a5c15d2-796f-42c5-8067-e268f4c3b122","originalAuthorName":"陈树林"},{"authorName":"周淑华","id":"b14c49a9-eaa2-4ac0-a656-fb71609a642c","originalAuthorName":"周淑华"},{"authorName":"李勇","id":"5cc05ebf-8679-4abd-b889-6e7d7ea7a890","originalAuthorName":"李勇"},{"authorName":"张道刚","id":"acce4468-79bb-4467-9e3a-bcf505b79d3d","originalAuthorName":"张道刚"},{"authorName":"王鸿飞","id":"c79f5b30-37cf-466a-b84b-965d177d73ba","originalAuthorName":"王鸿飞"},{"authorName":"姜振强","id":"1c74bee1-fa12-42fe-b826-33e14371978f","originalAuthorName":"姜振强"},{"authorName":"史平安","id":"b20ade44-6e35-4305-b82f-c18d8c63473e","originalAuthorName":"史平安"}],"doi":"10.3969/j.issn.1005-4006.2005.02.012","fpage":"32","id":"69b85f5f-d388-49d8-ad87-e16ed5d2fa01","issue":"2","journal":{"abbrevTitle":"LZ","coverImgSrc":"journal/img/cover/LZ.jpg","id":"52","issnPpub":"1005-4006","publisherId":"LZ","title":"连铸"},"keywords":[{"id":"07413991-d5df-4159-8eba-38c875f30f9a","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"lz200502012","title":"<span style=\"color:red\">德</span>马克连铸机检修改造中的问题及分析","volume":"","year":"2005"},{"abstractinfo":"通过非线性变换和特殊设计结点的B样条函数研究计算了囚禁于巴基球内的氢原子里<span style=\"color:red\">德</span>堡能级结构和振子强度. 结果表明, 巴基球等效势阱深度可以有选择的影响和改变里<span style=\"color:red\">德</span>堡原子的特性; 囚禁原子拥有很多自由原子所没有的奇特性质. 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