{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":1,"startPagecode":1},"records":[{"abstractinfo":"采用两步法制备低浓度Al_2O_3(40 nm)-水纳米流体,其体积分数为0.1%～0.5%.制备过程中不加分散剂,采用超声振动,并对其进行Zeta电位、粒度和吸光度测试表征其悬浮稳定性,结果表明当超声时间为3 h时,Al_2O_3-水纳米流体悬浮稳定性最好.进一步测试其导热系数,结果表明Al_2O_3-水纳米流体的导热系数均高于水的导热系数;室温下(17 ℃)当体积分数从0.1%增加到0.5%时,其导热系数从5.40%增加到17.9%.对于体积分数为0.2%的Al_2O_3-水纳米流体,当温度从17 ℃增加到57 ℃时,相应的导热系数从7.23%增加到23%;实验还发现纳米流体导热系数与纳米粒子的体积分数和温度均呈非线性关系.","authors":[{"authorName":"李金凯","id":"c2683fa0-9f3e-4217-a651-a1a5e4ee0af8","originalAuthorName":"李金凯"},{"authorName":"赵蔚琳","id":"842e99ac-f959-437f-a4a8-c373f43a86ab","originalAuthorName":"赵蔚琳"},{"authorName":"刘宗明","id":"72abd1c6-431e-4476-aa58-11850f62aa89","originalAuthorName":"刘宗明"},{"authorName":"<span style=\"color:red\">韩亚东</span>","id":"2506319b-cf09-4a54-b241-c5fdbd8b99d8","originalAuthorName":"韩亚东"}],"doi":"","fpage":"204","id":"1b60997c-016d-40d6-a624-4baaafd64698","issue":"1","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报   "},"keywords":[{"id":"9b410fe3-07ea-4e8a-b223-f39e1f489548","keyword":"纳米流体","originalKeyword":"纳米流体"},{"id":"70eb4111-8f04-46fd-bf94-9a1f9a1de867","keyword":"制备","originalKeyword":"制备"},{"id":"37f02a9d-864c-4d20-a214-c8d4e378f203","keyword":"超声振动","originalKeyword":"超声振动"},{"id":"021481bf-c8b0-4455-942f-aabfb4d12a3c","keyword":"导热系数","originalKeyword":"导热系数"}],"language":"zh","publisherId":"gsytb201001041","title":"低浓度Al_2O_3-水纳米流体制备及导热性能测试","volume":"29","year":"2010"},{"abstractinfo":"以安纳托利<span style=\"color:red\">亚东</span>南部的天然沥青岩为原料制备泡沫炭.所制泡沫炭的平均孔径和密度分别为150 μm和800 kg/m3.主要研究了压力、温度、泄压时间及在最高温度时的停留时间对泡沫形成的影响,同时还评价了炭化过程对泡沫结构的影响.主要研究了压力、温度、泄压时间及在最高温度时的停留时间对泡沫炭进行了表征,并进行了密度及抗压强度分析.结果表明,1 323 K炭化后,泡沫炭压缩强度由10 MPa增加到18.7MPa.沥青的灰分含量(41.76％)对泡沫炭的密度和压缩强度起重要作用.","authors":[{"authorName":"","id":"0d4017c8-1721-4eec-af36-8a1cdcdba402","originalAuthorName":""},{"authorName":"","id":"cbf6353e-1707-4399-b36a-a647bacff317","originalAuthorName":""},{"authorName":"","id":"e3e9edd2-6ae2-48e4-8df2-f53bc34c6a56","originalAuthorName":""},{"authorName":"","id":"5fa3cffd-a9c1-4714-9302-f7869b5d21e1","originalAuthorName":""}],"doi":"10.1016/S1872-5805(13)60071-2","fpage":"127","id":"27c5eabf-bc25-46b3-81a2-1784fd256aee","issue":"2","journal":{"abbrevTitle":"XXTCL","coverImgSrc":"journal/img/cover/XXTCL.jpg","id":"70","issnPpub":"1007-8827","publisherId":"XXTCL","title":"新型炭材料"},"keywords":[{"id":"5451284a-f0d6-4c85-8ce8-9af3c8273ef6","keyword":"泡沫炭","originalKeyword":"泡沫炭"},{"id":"2dc51eda-aede-48d0-8634-4415f5edb661","keyword":"沥青岩","originalKeyword":"沥青岩"},{"id":"10c5c9cc-7ff9-415b-b7d2-0d4924143721","keyword":"压缩强度","originalKeyword":"压缩强度"}],"language":"zh","publisherId":"xxtcl201302008","title":"以天然沥青岩为原料制备高压缩强度的泡沫炭","volume":"28","year":"2013"}],"totalpage":1,"totalrecord":2}