{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"综述了近年来尿素法制备氮化物陶瓷粉体、涂层、纳米管和陶瓷基复合材料等的研究进展,并对其发展趋势作了展望.","authors":[{"authorName":"李端","id":"cf17b9f1-2817-4640-b2b1-e8c07288f9a6","originalAuthorName":"李端"},{"authorName":"张长瑞","id":"335baa64-107d-45eb-869a-b60fb1fc64b3","originalAuthorName":"张长瑞"},{"authorName":"李斌","id":"d3364f55-bfdf-4f2f-90b1-8df9d06f59d1","originalAuthorName":"李斌"},{"authorName":"曹峰","id":"bfa5fa31-956d-417d-b0fd-317eadbf01e2","originalAuthorName":"曹峰"},{"authorName":"王思青","id":"bc895f33-7f7d-4b71-99b3-598a80c51462","originalAuthorName":"王思青"}],"doi":"10.3969/j.issn.1007-2330.2011.05.001","fpage":"1","id":"6a45ac53-0af2-4935-a245-f10890f313fb","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":"a618be7b-bed3-4c16-a2ec-45a934d63a80","keyword":"氮化物","originalKeyword":"氮化物"},{"id":"efd94b52-4a16-442e-b385-54ad0a53590a","keyword":"尿素法","originalKeyword":"尿素法"},{"id":"31a2c6ca-50ec-4bcf-921b-d77e8df63aa8","keyword":"涂层","originalKeyword":"涂层"},{"id":"39ea234f-a72a-4366-a535-a3902d306b69","keyword":"纳米管","originalKeyword":"纳米管"},{"id":"403c01a8-a7de-4aa3-8aa4-115d4e093ad7","keyword":"陶瓷基复合材料","originalKeyword":"陶瓷基复合材料"},{"id":"0d21cc14-f507-4b0e-a5ce-ea9c1f5dbecb","keyword":"纳米材料","originalKeyword":"纳米材料"}],"language":"zh","publisherId":"yhclgy201105001","title":"尿素法制备氮化物陶瓷材料的研究进展","volume":"41","year":"2011"},{"abstractinfo":"以石英纤维预制件和硅溶胶为原料,采用溶胶-凝胶法制备了SiO2f/SiO2复合材料,在此基础上用尿素法制备了SiO2f/SiO2-BN复合材料,并对其力学性能和介电性能进行了测试.结果表明,随着工艺循环次数的不断增加,复合材料的密度随之提高,但增长速度逐渐减慢.三次循环后,SiO2f/SiO2-BN复合材料密度达1.81 g/cm3,弯曲强度和模量分别为113.9 MPa和36.5 GPa,分别比SiO2f/SiO2复合材料提高了12.1%和76.3%;纤维和基体界面结合良好,材料断面出现了明显的纤维拔出现象,为韧性断裂;复合材料介电常数和损耗角正切值分别为3.32和0.004,介电性能优良.","authors":[{"authorName":"李端","id":"c927531e-aba4-453d-a63e-7b4a520d818b","originalAuthorName":"李端"},{"authorName":"张长瑞","id":"507b19e2-de77-41c9-b4e9-a118d5b35f64","originalAuthorName":"张长瑞"},{"authorName":"李斌","id":"6210b422-4c2a-4ecf-b3b2-45b37e7f1369","originalAuthorName":"李斌"},{"authorName":"曹峰","id":"3405cc46-8690-4799-a597-55472e67d5ed","originalAuthorName":"曹峰"},{"authorName":"王思青","id":"c1edbf3c-c75b-4f10-90da-e6cf75aebcf1","originalAuthorName":"王思青"},{"authorName":"曹英斌","id":"90dbf2ab-15f2-466b-bc05-ea8688de1c4e","originalAuthorName":"曹英斌"}],"doi":"","fpage":"63","id":"8cc8ae5c-90e5-4586-9009-9dee7b381432","issue":"3","journal":{"abbrevTitle":"FHCLXB","coverImgSrc":"journal/img/cover/FHCLXB.jpg","id":"26","issnPpub":"1000-3851","publisherId":"FHCLXB","title":"复合材料学报"},"keywords":[{"id":"86e44f55-ea12-4683-8600-02caa170e62e","keyword":"尿素法","originalKeyword":"尿素法"},{"id":"6b19349b-db12-4c81-9ad5-f0d220bc00dd","keyword":"溶胶-凝胶","originalKeyword":"溶胶-凝胶"},{"id":"92e02714-1366-4e5e-9a5a-a36b51c84ad9","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"4ad4ccec-384c-4d25-b1b9-e9cdb14accce","keyword":"界面","originalKeyword":"界面"},{"id":"9aedddf6-9495-4bf8-9d5e-2260bf9d8f6f","keyword":"力学性能","originalKeyword":"力学性能"},{"id":"0c9b7f44-0cd9-4643-8188-e90d1f92031f","keyword":"介电性能","originalKeyword":"介电性能"}],"language":"zh","publisherId":"fhclxb201103010","title":"SiO2f/SiO2-BN复合材料的制备及其性能","volume":"28","year":"2011"},{"abstractinfo":"以尿素为固体氮源,甲醇为溶剂,AlCl3·6H2O为铝源,采用尿素溶液法制备了纳米AlN粉体.采用FT-IR对前驱盐进行了结构分析,并通过XRD和SEM分别对最终煅烧产物进行了结构和形貌的表征.重点研究了尿素/金属摩尔比R值和煅烧温度对合成产物的晶体结构和形貌的影响.结果发现: AlN的纯度随R值的增加而增大,R值大于6可以获得单一AlN相,R值小于6获得AlN和Al2O3的混合相;此外,R值也直接影响到AlN纳米粉体和团聚颗粒的形貌,所制备AlN纳米粉体的粒径和团聚的球状颗粒的粒径随R值的增加出现细化的趋势.","authors":[{"authorName":"黄雄","id":"103737c5-881f-4c62-9787-d227adfe366d","originalAuthorName":"黄雄"},{"authorName":"程艳玲","id":"84fa24d8-6b83-4c75-9bda-d48df7c8d2d2","originalAuthorName":"程艳玲"},{"authorName":"林华泰","id":"bbe81a3d-80d6-402e-bb0e-a08b358c2b4a","originalAuthorName":"林华泰"}],"doi":"","fpage":"915","id":"e4916210-b35b-40cf-9123-39180677bb19","issue":"5","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":"62115882-8bd7-4b01-aba4-97fcafd195b5","keyword":"纳米AlN","originalKeyword":"纳米AlN"},{"id":"a9e5b906-49a6-4a1e-ac20-e07738486ede","keyword":"尿素","originalKeyword":"尿素"},{"id":"5525ca96-2e1b-4ac0-97f3-0206413105a7","keyword":"尿素溶液法","originalKeyword":"尿素溶液法"},{"id":"5657f593-4979-47ea-850c-0938ea9b5209","keyword":"团聚","originalKeyword":"团聚"}],"language":"zh","publisherId":"rgjtxb98201705030","title":"尿素溶液法合成纳米AlN粉体","volume":"46","year":"2017"},{"abstractinfo":"采用尿素燃烧法合成了中温固体氧化物燃料电池阴极材料La0.8Sr0.2FeyCo1-yO3-δ粉体.分别利用TG-DSC、XRD和SEM对产物的形成过程、晶体结构和显微形貌进行了研究.结果表明,La0.8Sr0.2FeyCo1-yO3-δ粉体的主晶相为钙钛矿结构,个别试样伴有少量杂峰.采用直流四端子法测试了烧结后试样在500℃~800℃范围内的电导率,实验结果表明,y=0时,样品的电导率最大,且随温度升高而单调下降呈金属型导电;其它样品(y=0.20,0.25,0.30,0.35,0.40)的电导率随温度升高而增大,符合小极化子导电机制;在测试温度范围内,材料的电导率均大于400S/cm.","authors":[{"authorName":"周芬","id":"c28b10f4-ffa2-4f85-b858-a35b1afe794d","originalAuthorName":"周芬"},{"authorName":"仲崇英","id":"b9ec8752-7fbe-4fc4-b428-a121a3162b10","originalAuthorName":"仲崇英"},{"authorName":"宋希文","id":"f098ffef-f060-421b-b15c-a59422b7f7c6","originalAuthorName":"宋希文"},{"authorName":"李培忠","id":"aace0186-eaf1-41c0-92e1-9e7d1146bc41","originalAuthorName":"李培忠"},{"authorName":"郝喜红","id":"2d1c4ac0-7e8f-4670-bc65-a2d44271da36","originalAuthorName":"郝喜红"},{"authorName":"安胜利","id":"9217ab33-c859-4708-ba7f-22041fdaa2de","originalAuthorName":"安胜利"}],"doi":"10.3969/j.issn.1004-0277.2009.05.001","fpage":"1","id":"9b78577b-6be1-41ec-a83b-915c57770528","issue":"5","journal":{"abbrevTitle":"XT","coverImgSrc":"journal/img/cover/XT.jpg","id":"65","issnPpub":"1004-0277","publisherId":"XT","title":"稀土"},"keywords":[{"id":"c77bdee1-2331-4519-a13d-57ae0831c70f","keyword":"阴极材料","originalKeyword":"阴极材料"},{"id":"6d6281cc-2183-429d-bdea-9f160cc813a0","keyword":"钙钛矿结构","originalKeyword":"钙钛矿结构"},{"id":"c2ce7560-7b11-4cc9-9321-7d2f18cf38d2","keyword":"电导率","originalKeyword":"电导率"},{"id":"6d830fbc-75b2-43c5-8d0f-e111cedd92d7","keyword":"尿素","originalKeyword":"尿素"},{"id":"5f5e2d6e-8918-4d39-922d-d9096ff6fa58","keyword":"燃烧合成","originalKeyword":"燃烧合成"}],"language":"zh","publisherId":"xitu200905001","title":"尿素燃烧法合成La0.8Sr0.2FeyCo1-yO3-δ及其性能表征","volume":"30","year":"2009"},{"abstractinfo":"采用以尿素为燃料的低温燃烧法一步合成了电解质粉末 Ce0.8 Gd0.2 O1.9(GDC),通过 XRD、TG-DSC、BET、FESEM等手段对合成粉体进行了物相测定、热分析、比表面积测定和形貌观察,并考察了粉体的烧结性能。结果表明,尿素-硝酸盐干凝胶自蔓延燃烧点火温度约为279.0℃。通过工艺参数的有效设计,经过低温燃烧过程即可直接得到立方萤石结构的纯相GDC粉体,该粉体为粒径在20~60 nm的类球形颗粒,粒子间虽有微弱的软团聚,却具有较高的烧结活性,在1300℃仅需烧结2 h 即可达到95.2%的相对密度。该温度比固相法制备该粉体的烧结温度至少降低300℃。","authors":[{"authorName":"燕萍","id":"e5f62fe3-56d9-42a7-af68-23a22eeec0da","originalAuthorName":"燕萍"},{"authorName":"张丽清","id":"d6d9c01d-5cc3-428c-93d9-ad3700ca478d","originalAuthorName":"张丽清"},{"authorName":"孙旭东","id":"769ff08e-8a4c-4730-b039-99e3113047d3","originalAuthorName":"孙旭东"}],"doi":"10.3969/j.issn.1001-9731.2014.10.022","fpage":"10098","id":"ff763a9a-6921-4efe-abca-01059d3b9fce","issue":"10","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"52cffa77-d40e-4baf-8fe5-ce0e54979dc6","keyword":"低温燃烧合成","originalKeyword":"低温燃烧合成"},{"id":"d0fa184e-b8bb-44cc-a28c-f73ab5a0586c","keyword":"掺杂CeO2","originalKeyword":"掺杂CeO2"},{"id":"fd8b6201-b129-4886-8771-4ee53aeff1d5","keyword":"尿素","originalKeyword":"尿素"},{"id":"6559cc65-0ed5-4ad3-a0d5-f9a3c0f1ebae","keyword":"固溶体","originalKeyword":"固溶体"}],"language":"zh","publisherId":"gncl201410022","title":"尿素低温燃烧法合成Ce0.8Gd0.2O1.9电解质粉末及烧结性能","volume":"","year":"2014"},{"abstractinfo":"通过普通尿素沉淀法、超声协助和水热尿素法合成出高结晶度的单斜晶白钨矿型的钒酸铋粉末.利用XRD、SEM、DRS等手段分别对合成材料的晶型、微观形貌及光物理性质等进行研究.结果表明3种方法均能得到结晶度较高的钒酸铋颗粒,但微观形貌上有较大差异.在可见光下对难生化降解的红色染料FN-3G的降解效果表明,所合成的三种BiVO4样品的光催化性能均较好,超声协助法和水热法合成的样品光催化活性增强的机制主要归因于结晶度的提高和比表面积的增大.结晶度的提高可降低电子和空穴复合几率,从而增强光电转换效率;而比表面积的增大主要提高了染料分子的吸附能力.","authors":[{"authorName":"张金秋","id":"a71e847f-ced5-47c0-a0d9-861821261d75","originalAuthorName":"张金秋"},{"authorName":"张妍","id":"ba8034f0-5296-4a85-9113-1696402c5a62","originalAuthorName":"张妍"},{"authorName":"朱玉坤","id":"50921d16-ea6c-4afc-8c7b-bbf2330b8c2f","originalAuthorName":"朱玉坤"},{"authorName":"彭彦华","id":"e45b00be-27ef-49f8-b870-21e21de76359","originalAuthorName":"彭彦华"},{"authorName":"周晓晨","id":"1ed832ff-23a5-4456-ac8a-e441d3aca7fe","originalAuthorName":"周晓晨"},{"authorName":"于建强","id":"56ec8595-d3c2-48f6-9dc8-dc35ad20ec73","originalAuthorName":"于建强"}],"doi":"10.7517/j.issn.1674-0475.2015.04.336","fpage":"336","id":"de63659a-540b-4f33-8e05-933a7293e012","issue":"4","journal":{"abbrevTitle":"YXKXYGHX","coverImgSrc":"journal/img/cover/YXKXYGHX.jpg","id":"74","issnPpub":"1674-0475","publisherId":"YXKXYGHX","title":"影像科学与光化学 "},"keywords":[{"id":"a75a69ae-d9b6-4ca6-8f17-1cee5a4ca9d1","keyword":"钒酸铋","originalKeyword":"钒酸铋"},{"id":"036bad03-2fe5-417f-9b62-b76e5237429b","keyword":"光催化","originalKeyword":"光催化"},{"id":"d3e39d00-7507-404d-b0c1-73d1cb739d2c","keyword":"可见光","originalKeyword":"可见光"},{"id":"23479362-3da8-4a50-b48c-68a02ad8e074","keyword":"超声合成","originalKeyword":"超声合成"},{"id":"1a2044e2-df21-4a24-965d-c0bad9a3d30d","keyword":"均相沉淀","originalKeyword":"均相沉淀"}],"language":"zh","publisherId":"ggkxyghx201504010","title":"高活性钒酸铋的尿素沉淀法控制合成及其光催化活性增强机制研究","volume":"33","year":"2015"},{"abstractinfo":"利用降温法生长掺尿素的UTGS单晶.测试了晶体的热释电和介电特性.结果表明,尿素的掺杂提高了晶体的热释电性能.","authors":[{"authorName":"孙洵","id":"672f9920-1e74-4017-abbd-7b062d812dce","originalAuthorName":"孙洵"},{"authorName":"王民","id":"152a2f12-09c4-42c9-a94a-e791360cb17d","originalAuthorName":"王民"},{"authorName":"史伟","id":"4ab95442-758a-403e-b483-95dd50d41ae5","originalAuthorName":"史伟"},{"authorName":"房昌水","id":"2809fdef-4c83-4504-83b7-fa650ea6a6d8","originalAuthorName":"房昌水"}],"doi":"","fpage":"63","id":"090f4983-66c4-43a1-8575-488d74e88044","issue":"1","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"a4b73b9c-89ea-46b4-8074-f1f04c69c855","keyword":"UTGS晶体","originalKeyword":"UTGS晶体"},{"id":"9da9e94d-b5f9-4460-bc01-9e66c1fbe024","keyword":"晶体生长","originalKeyword":"晶体生长"},{"id":"c7390a6f-7f87-4751-8730-9416cb95483b","keyword":"热释电晶体","originalKeyword":"热释电晶体"},{"id":"fbd5e748-2f7e-4bd6-bbfb-62db2549ab61","keyword":"热释电性能","originalKeyword":"热释电性能"}],"language":"zh","publisherId":"gncl200001022","title":"掺尿素的TGS晶体的生长及性质研究","volume":"31","year":"2000"},{"abstractinfo":" 综述了尿素合成塔的主要失效形式及其原因,建立了尿素合成塔失效的故障树.对所搜集到的资料进行统计得到各基本事件的发生概率,人员伤亡、设备修理和更换成本、生产损失等失效后果以经济损失表述,概率与后果相乘得到风险值.结果表明:衬里泄漏的风险最大,其次是层板应力腐蚀.为了降低风险,建议保持检漏孔通畅并定期检查,一旦发现泄漏立即停车;不用蒸汽检漏,如果确实要用蒸汽检漏,应保证蒸汽质量.","authors":[{"authorName":"崔玉良王威强曹怀祥刘琦李梦丽","id":"bebdb826-d4bf-4474-95fd-fa1646cb1788","originalAuthorName":"崔玉良王威强曹怀祥刘琦李梦丽"}],"categoryName":"|","doi":"","fpage":"377","id":"3377e0a3-898d-4c52-847b-97d247415069","issue":"5","journal":{"abbrevTitle":"FSXB","coverImgSrc":"journal/img/cover/腐蚀学报封面.jpg","id":"24","issnPpub":"2667-2669","publisherId":"FSXB","title":"腐蚀学报(英文)"},"keywords":[{"id":"4764d36a-f4a9-4c82-b8df-190249ddfcd2","keyword":"尿素合成塔失效","originalKeyword":"尿素合成塔失效"},{"id":"ae7dae85-eb79-42cc-97e8-69d03bdce6b5","keyword":"risk analysis","originalKeyword":"risk analysis"},{"id":"9d95f1e9-a659-4679-9c82-fbdfd0e33c3c","keyword":"fault tree analysis","originalKeyword":"fault tree analysis"}],"language":"zh","publisherId":"1002-6495_2008_5_1","title":"尿素合成塔风险分析","volume":"20","year":"2008"},{"abstractinfo":"综述了尿素合成塔的主要失效形式及其原因,建立了尿素合成塔失效的故障树.对所搜集到的资料进行统计得到各基本事件的发生概率,人员伤亡、设备修理和更换成本、生产损失等失效后果以经济损失表述,概率与后果相乘得到风险值.结果表明:衬里泄漏的风险最大,其次是层板应力腐蚀.为了降低风险,建议保持检漏孔通畅并定期检查,一旦发现泄漏立即停车;不用蒸汽检漏,如果确实要用蒸汽检漏,应保证蒸汽质量.","authors":[{"authorName":"崔玉良","id":"077dc455-20a8-4be9-ad3d-43a5a7fd4ab3","originalAuthorName":"崔玉良"},{"authorName":"王威强","id":"baf8aeb4-590b-46f5-acb0-ce09419635b6","originalAuthorName":"王威强"},{"authorName":"曹怀祥","id":"be4d7417-a059-4966-8505-3519a4833dbc","originalAuthorName":"曹怀祥"},{"authorName":"刘琦","id":"dd44e201-49d7-4c9f-b023-f3fa7b5fcc4f","originalAuthorName":"刘琦"},{"authorName":"李梦丽","id":"fdf17898-0d00-4b46-b84d-c35acb91219e","originalAuthorName":"李梦丽"}],"doi":"10.3969/j.issn.1002-6495.2008.05.018","fpage":"377","id":"4ab641f1-e888-42f7-8ffb-08685da07fb5","issue":"5","journal":{"abbrevTitle":"FSXB","coverImgSrc":"journal/img/cover/腐蚀学报封面.jpg","id":"24","issnPpub":"2667-2669","publisherId":"FSXB","title":"腐蚀学报(英文)"},"keywords":[{"id":"fd9387ec-3944-42f5-bc7f-16fa0266acc7","keyword":"尿素合成塔失效","originalKeyword":"尿素合成塔失效"},{"id":"15823ba4-8d67-4169-873a-665bda24f8ec","keyword":"风险分析","originalKeyword":"风险分析"},{"id":"5b2666c0-4fef-4e52-ac83-e6898174935b","keyword":"故障树分析","originalKeyword":"故障树分析"}],"language":"zh","publisherId":"fskxyfhjs200805018","title":"尿素合成塔风险分析","volume":"20","year":"2008"},{"abstractinfo":"采用紫外-可见分光光度法(UV-vis)和电化学分析法研究了尿素对 Cr(III)-甲酸盐镀液体系电沉积过程的作用机理。UV-vis谱图表明,尿素可参与Cr(III)-甲酸盐镀液体系的配位取代反应。线性扫描伏安曲线和恒电位电沉积试验表明,尿素可提高 Cr(III)-甲酸盐体系中铬的沉积过电位,并抑制析氢反应。不同配位体系所得镀层的表面形貌表明,尿素可细化Cr(III)-甲酸盐镀液体系电沉积铬的晶核。","authors":[{"authorName":"李烨","id":"3d1203e3-8a52-473a-81b6-dd7aa741d5a8","originalAuthorName":"李烨"},{"authorName":"高云芳","id":"e1eab02b-5163-4c08-af9b-94e4d3773fe2","originalAuthorName":"高云芳"},{"authorName":"徐新","id":"96ce8745-3463-4d51-a303-94bf1d86d9f9","originalAuthorName":"徐新"},{"authorName":"姚秋实","id":"87af80fa-ff44-4b65-a745-43bf61d6a150","originalAuthorName":"姚秋实"}],"doi":"","fpage":"5","id":"1d37db06-a342-4fde-b949-d883a42e4df8","issue":"9","journal":{"abbrevTitle":"DDYTS","coverImgSrc":"journal/img/cover/DDYTS.jpg","id":"21","issnPpub":"1004-227X","publisherId":"DDYTS","title":"电镀与涂饰 "},"keywords":[{"id":"d847e0db-92d3-4599-ba32-5498fd5846c2","keyword":"三价铬","originalKeyword":"三价铬"},{"id":"9f50ba81-05e2-4732-9b07-d645fccf5ed6","keyword":"电沉积","originalKeyword":"电沉积"},{"id":"2520b713-7c7e-42c9-abb6-b3655a002077","keyword":"尿素","originalKeyword":"尿素"},{"id":"e05ceff5-a3d3-4b9a-a8ae-eb910a6be713","keyword":"配位剂","originalKeyword":"配位剂"},{"id":"e5c419ec-69e9-4eb2-a7ce-38e55aa1a2bf","keyword":"电化学","originalKeyword":"电化学"},{"id":"955ffb90-68a4-4761-a5f0-0f21bd3fd039","keyword":"机理","originalKeyword":"机理"}],"language":"zh","publisherId":"ddyts201309002","title":"尿素对甲酸盐体系三价铬电沉积的作用机理","volume":"","year":"2013"}],"totalpage":3380,"totalrecord":33800}