{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"等通道转角挤压(Equal channel angular pressing,ECAP)是大塑性变形制备超细晶材料的方法之一,具有大晶粒尺寸的材料可以在室温下挤压达到超细晶尺度。从 ECAP模具参数、工艺条件影响因素、模具及制备方法改进、细化机理、制备的超细晶材料组织稳定性及性能方面进行总结,并结合部分研究结果可知,ECAP模具正在不断被优化和改进,复合挤压技术不断出现,目前已实现超细晶材料的连续 ECAP挤压制备技术。等通道转角挤压的晶粒细化主要是由于剪切力的作用和第二相粒子的作用, ECAP晶粒细化机理及组合工艺的研究是目前研究的热点。超细晶材料在不同领域的应用对其性能提出的更高要求,对其大塑性变形制备技术本身也是挑战。","authors":[{"authorName":"","id":"ca963bad-935d-4d5d-85f4-c3ffdcbb2cc2","originalAuthorName":"章震威"},{"authorName":"王军丽","id":"2cb0f2c8-86c3-4c69-b242-370106cd4709","originalAuthorName":"王军丽"},{"authorName":"张清龙","id":"6ecebef8-71a2-46bd-a584-3e5b1430a4df","originalAuthorName":"张清龙"},{"authorName":"史庆南","id":"1d9eeee4-5697-4e0c-93c0-c55f08546c96","originalAuthorName":"史庆南"}],"doi":"10.11896/j.issn.1005-023X.2017.01.016","fpage":"116","id":"3cd1d4cc-0f9d-4449-abea-c13a053539af","issue":"1","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"fcde4cef-0239-41b3-ba60-992888989e2a","keyword":"大塑性变形","originalKeyword":"大塑性变形"},{"id":"34b218ac-32f7-4ea1-b8b8-b0ed2bda7f37","keyword":"超细晶材料","originalKeyword":"超细晶材料"},{"id":"0359b947-188b-49d2-8eeb-36d1752e5f67","keyword":"等通道转角挤压","originalKeyword":"等通道转角挤压"},{"id":"9f6f18cc-1ed9-42e5-85ec-37252bfdceca","keyword":"细化机理","originalKeyword":"细化机理"}],"language":"zh","publisherId":"cldb201701017","title":"等通道转角挤压制备超细晶材料的研究与发展?","volume":"31","year":"2017"},{"abstractinfo":"在酸性介质中,Ce(Ⅳ)氧化连二亚硫酸钠产生较弱的化学发光,异丙可以明显增强此发光,增加的发光强度与异丙的质量浓度在0.1~10 mg/L范围内呈良好的线性关系(r=0.999 7),由此建立了一种测定异丙的流动注射化学发光新方法,检出限为80 μg/L(3σ). 对1.0 mg/L的异丙连续平行测定11次,其相对标准偏差为3.3%. 用于测定环境水样和大米中异丙含量,回收率为96.1%~99.4%.","authors":[{"authorName":"何树华","id":"ddd88840-b82f-4dbe-96bc-8c6b25f77861","originalAuthorName":"何树华"},{"authorName":"何德勇","id":"262a9e5f-a82a-4402-ad02-84c20f0eefb2","originalAuthorName":"何德勇"},{"authorName":"竹君","id":"6615a3ad-3033-4433-8e65-1a8bc6e98c59","originalAuthorName":"章竹君"}],"doi":"10.3969/j.issn.1000-0518.2006.11.025","fpage":"1298","id":"5b26f68e-711a-4916-8ae1-a967fbaff776","issue":"11","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"6b2de841-074a-44ad-aaec-d1798c023745","keyword":"化学发光","originalKeyword":"化学发光"},{"id":"08c3aee1-5095-4292-bf30-13e1829bebef","keyword":"流动注射","originalKeyword":"流动注射"},{"id":"30b6f22a-ba76-4bf0-bf43-de9c87b6cfa6","keyword":"连二亚硫酸钠","originalKeyword":"连二亚硫酸钠"},{"id":"7d855b27-3bab-486d-9c28-ce3220cdaf9a","keyword":"异丙","originalKeyword":"异丙威"}],"language":"zh","publisherId":"yyhx200611025","title":"流动注射化学发光法测定异丙","volume":"23","year":"2006"},{"abstractinfo":"建立了花生中涕灭及其代谢物涕灭砜、涕灭亚砜的高效液相色谱-线性离子阱三级质谱分析方法.样品经环己烷饱和的乙腈提取,凝胶渗透色谱净化后,用高效液相色谱-线性离子阱三级质谱法对样品中的目标物进行定性确证和定量分析.在Capcell PAK CR色谱柱上以含5 mmol/L NH4Ac-HAc的乙腈为流动相进行梯度洗脱分离.采用电喷雾离子源正离子模式进行三级选择离子监测,以涕灭-d3作为3个目标物的内标物.通过比较基质匹配曲线和纯溶剂标准曲线计算回收率评估基质效应.方法的线性范围为10 ~ 500μg/L,检出限为4~5μg/kg.涕灭、涕灭砜、涕灭亚砜在3个加标水平(10、20、40 μg/kg)的回收率为81.5%~115%,相对标准偏差为6.35%~ 15.1%.应用该方法对花生样品进行了测定,结果令人满意.","authors":[{"authorName":"杨欣","id":"cf79ed21-e40c-4c55-9b4a-26c9b0d549bc","originalAuthorName":"杨欣"},{"authorName":"李鹏","id":"b79f4450-9683-4de1-bbb4-401e4306337f","originalAuthorName":"李鹏"},{"authorName":"赵云峰","id":"040f78a9-e607-4ea7-b8ce-24b4f3fd6fa2","originalAuthorName":"赵云峰"},{"authorName":"吴永宁","id":"93e09887-4e58-4408-8ef9-7997ae8fee6f","originalAuthorName":"吴永宁"}],"doi":"10.3724/SP.J.1123.2011.11027","fpage":"309","id":"33028f97-80d2-4553-bcb1-636c0cb41f51","issue":"3","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"ac371baa-60da-4eae-b972-93befd51c36b","keyword":"高效液相色谱-线性离子阱三级质谱法","originalKeyword":"高效液相色谱-线性离子阱三级质谱法"},{"id":"659a271d-abd1-4598-8d1b-6607abc0ff4e","keyword":"凝胶渗透色谱净化","originalKeyword":"凝胶渗透色谱净化"},{"id":"4436a032-c8c9-4826-9f36-a75e4f30b364","keyword":"涕灭","originalKeyword":"涕灭威"},{"id":"b3fc5141-94a7-450d-93ac-99de16f334b9","keyword":"涕灭砜","originalKeyword":"涕灭威砜"},{"id":"883cddb3-4958-48a3-a760-eb05620b7e55","keyword":"涕灭亚砜","originalKeyword":"涕灭威亚砜"},{"id":"dbc29004-723d-43e4-b9f2-a3b7ada8b54e","keyword":"花生","originalKeyword":"花生"}],"language":"zh","publisherId":"sp201203016","title":"高效液相色谱-线性离子阱三级质谱法检测花生中涕灭及其代谢物涕灭砜、涕灭亚砜","volume":"30","year":"2012"},{"abstractinfo":"介绍了干式金斯气柜橡胶密封膜的工作原理、技术要求、制作材料、成型工艺及应用情况.","authors":[{"authorName":"张霞","id":"2e1291ae-fd63-4211-943b-3dba81ed85a7","originalAuthorName":"张霞"}],"doi":"10.3969/j.issn.1003-1545.2000.03.008","fpage":"26","id":"dd6477e1-5ed3-49d1-8416-4d92f6cee4f5","issue":"3","journal":{"abbrevTitle":"CLKFYYY","coverImgSrc":"journal/img/cover/CLKFYYY.jpg","id":"10","issnPpub":"1003-1545","publisherId":"CLKFYYY","title":"材料开发与应用"},"keywords":[{"id":"d57fdcc0-5a5b-4e4f-b700-3c14bf849536","keyword":"干式金斯气柜","originalKeyword":"干式威金斯气柜"},{"id":"49555d87-f801-4fae-ae34-d6f540054208","keyword":"橡胶密封膜","originalKeyword":"橡胶密封膜"},{"id":"e589b5e3-6d3e-41c1-aa91-7a66a9ce5ab2","keyword":"转炉煤气","originalKeyword":"转炉煤气"},{"id":"01f8d582-bf64-4435-917b-644a3b687062","keyword":"胶布","originalKeyword":"胶布"},{"id":"510c2ad9-bfb0-44d8-818a-14d2c275b02b","keyword":"粘接缝","originalKeyword":"粘接缝"}],"language":"zh","publisherId":"clkfyyy200003008","title":"干式金斯气柜橡胶密封膜及其应用","volume":"15","year":"2000"},{"abstractinfo":"为了精确地估计真空荧光显示器(VFD)的可靠性寿命,节省试验测试时间,通过建立加速寿命试验模型开展了4组恒定应力加速寿命试验,采用布尔函数描述VFD寿命分布,利用最小二乘法(LSM)估计布尔参数,完成了试验数据的统计分析,并自行开发了寿命预测软件,确定了加速寿命方程,实现了VFD的寿命估计.数值结果表明,试验设计方案是正确可行的,VFD的寿命服从布尔分布,其加速模型符合线性阿伦尼斯方程,每个加速应力水平下VFD的失效机理不变,精确计算出的VFD寿命对其生产厂商和技术人员具有重要的指导意义.","authors":[{"authorName":"张建平","id":"a4f4a54b-5f55-444d-a910-8899e4908540","originalAuthorName":"张建平"},{"authorName":"王睿韬","id":"c51ff80e-cd1f-4328-a582-744e0e07e0e4","originalAuthorName":"王睿韬"}],"doi":"10.3969/j.issn.1007-2780.2010.02.010","fpage":"205","id":"dd47e756-eb23-4f3f-82d6-5ec7345ea979","issue":"2","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"7f5443b7-07f2-44e4-a387-358873ffd2ce","keyword":"真空荧光显示器","originalKeyword":"真空荧光显示器"},{"id":"b2dd5c56-937c-423a-92e1-2abf4e8e71ce","keyword":"可靠性寿命","originalKeyword":"可靠性寿命"},{"id":"887156cc-5364-4ded-9ffb-bb6c955328dc","keyword":"加速寿命试验","originalKeyword":"加速寿命试验"},{"id":"33c661dd-acf7-4cd5-b827-80a1873ff61d","keyword":"恒定应力","originalKeyword":"恒定应力"},{"id":"e1840997-9c8d-42bc-af8e-f05c250a8f59","keyword":"布尔分布","originalKeyword":"威布尔分布"}],"language":"zh","publisherId":"yjyxs201002010","title":"布尔分布下VFD恒定应力加速寿命试验与统计分析","volume":"25","year":"2010"},{"abstractinfo":"Sepharose CL-4B经碳酰二咪唑(CDI)活化后与纯化的克百抗体共价偶联,合成了免疫亲和色谱(IAC)固定相,并用其制备了对克百具有特异性亲和力的IAC柱.对IAC条件进行了优化,选择0.02 mol/L pH 7.2磷酸盐缓冲液(PB)作为吸附与平衡介质,60%(体积分数)甲醇水溶液作为洗脱剂.结果表明:在优化条件下,IAC柱对克百的动态柱容量达1.58 mg/L.当标样溶液中克百质量浓度低于 2 μg/L时,经IAC柱富集的效率高于167倍.在河水中按0.1 mg/L水平添加克百标准品,经IAC柱分离富集,洗脱液采用包被抗体直接竞争酶联免疫吸附分析(ELISA)法检测,5次重复测定的平均回收率为89.8% ,相对标准偏差为4.8% .同时采用高效液相色谱(HPLC)法测定洗脱液,与ELISA法测定结果基本一致.","authors":[{"authorName":"刘曙照","id":"1a513624-4b52-4a50-8f86-6ebd8a8d0cda","originalAuthorName":"刘曙照"},{"authorName":"韦林洪","id":"c4854249-d3a4-492a-a56f-6d23df833e82","originalAuthorName":"韦林洪"},{"authorName":"徐维娜","id":"fa7222c6-365a-4e81-840e-cf2b7683e251","originalAuthorName":"徐维娜"}],"doi":"10.3321/j.issn:1000-8713.2005.02.004","fpage":"134","id":"6982a5a2-d5c6-45cc-93ae-7a7a4931214a","issue":"2","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"b3c8825e-1214-499b-9ee9-9fc6ef06b297","keyword":"免疫亲和色谱","originalKeyword":"免疫亲和色谱"},{"id":"b6fe4082-3cec-46c2-b1d2-3d22fb2f5837","keyword":"酶联免疫吸附分析","originalKeyword":"酶联免疫吸附分析"},{"id":"b4706bc9-4e38-4fbf-9b94-22d7e5be7e79","keyword":"高效液相色谱","originalKeyword":"高效液相色谱"},{"id":"4e774b05-460c-48f7-bae5-2b58d1900ef6","keyword":"克百","originalKeyword":"克百威"}],"language":"zh","publisherId":"sp200502004","title":"克百的免疫亲和色谱分析研究","volume":"23","year":"2005"},{"abstractinfo":"采用液相色谱-串联质谱法( LC-MS/MS)研究了白菜中涕灭及其代谢物的残留动态行为.按农民常用施药量(3 000 g/hm2)将涕灭沟施予田地后,定期取样检测,并建立其残留行为的数学模型.结果表明,用 LC-MS/MS 测定涕灭及其代谢物,在0. 005~0. 2 mg/L范围内线性关系良好,平均回收率为78. 9%~108. 5%,相对标准偏差为2. 03%~8. 91%( n=8).涕灭在白菜中的浓度升高和降低的过程均符合一级动力学模型( c=0. 020e0. 136t和c=0. 65e-0. 059t ),相关系数( r2 )分别为0. 888和0. 979,半衰期为29. 1天.代谢产物涕灭砜和涕灭亚砜在白菜中的浓度降低时同样符合一级动力学方程( c=23. 4e-0. 044t和 c=4. 54e-0. 027t ),r2 分别为 0. 916 和 0. 972.涕灭、涕灭砜和涕灭亚砜在白菜中的含量要降到国内外限量要求 0. 01 mg/kg,分别需要 70. 7、226. 6 和 176. 3 天.白菜生长周期为120天,收获时涕灭砜和涕灭亚砜含量仍超过国内外限量要求.因此,在本文施药量下,涕灭不能使用.该数据为涕灭的安全使用和农药残留动态行为研究提供了理论依据.","authors":[{"authorName":"丁葵英","id":"84a6b174-5ee6-4fce-b15e-613f0c6358ef","originalAuthorName":"丁葵英"},{"authorName":"许文娟","id":"42487f29-00db-4c0f-89b7-164ae975e337","originalAuthorName":"许文娟"},{"authorName":"李凯","id":"73c85861-9ff9-40b7-86d1-939d70e38faa","originalAuthorName":"李凯"},{"authorName":"郭礼强","id":"4ba21f91-d877-445e-acae-1c3857082fb7","originalAuthorName":"郭礼强"},{"authorName":"孙军","id":"e4fbfa1f-a525-40cb-a85d-81995f3d8667","originalAuthorName":"孙军"}],"doi":"10.3724/SP.J.1123.2015.08018","fpage":"165","id":"a1a1a036-6b5e-46e7-8a79-471c62eb87ec","issue":"2","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"01192dba-f189-43ea-b411-8d70e4b53867","keyword":"液相色谱-串联质谱","originalKeyword":"液相色谱-串联质谱"},{"id":"b397d32a-c75e-4e8b-8216-40b0986ae59a","keyword":"涕灭","originalKeyword":"涕灭威"},{"id":"bb5c162b-1b04-41f3-a26a-8857eb71b816","keyword":"残留","originalKeyword":"残留"},{"id":"d118caa5-827e-4972-a1a8-0d651474746d","keyword":"动力学","originalKeyword":"动力学"},{"id":"55c4303f-c503-4974-8193-1d0916d24e9f","keyword":"数学模型","originalKeyword":"数学模型"}],"language":"zh","publisherId":"sp201602007","title":"液相色谱-串联质谱法研究涕灭及其代谢物在白菜中的动态行为","volume":"34","year":"2016"},{"abstractinfo":"川集团有限公司为提高钢产量,通过对高效吹氧技术的研究与实践,对现有70 t转炉氧枪进行改进设计,提高供氧强度到4.0 m3/(t·min),同时对新氧枪的冶炼造渣制度和供氧制度进行优化,保证了吹炼稳定,技术经济指标良好,实现年产钢增加20%.","authors":[{"authorName":"吴文东","id":"5e6e5b1a-7723-4f97-8790-a5b2a76826bc","originalAuthorName":"吴文东"},{"authorName":"彭波","id":"cb5ffba5-37fb-461b-8ecd-b659581baf0d","originalAuthorName":"彭波"},{"authorName":"代宾","id":"0d41d222-df52-487a-a7bc-e0917405674f","originalAuthorName":"代宾"},{"authorName":"张其欢","id":"200357c6-fbce-4446-937a-382a71bf4e59","originalAuthorName":"张其欢"}],"doi":"","fpage":"42","id":"d9886348-7062-4abf-9c59-316b27ffcffb","issue":"12","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"28071455-2280-47b9-8229-884bb3f3edae","keyword":"转炉","originalKeyword":"转炉"},{"id":"f01913e7-9bef-418f-98ab-d9321954f871","keyword":"高效吹氧","originalKeyword":"高效吹氧"},{"id":"a15a223a-b6d2-4b1d-b5d0-4aca769e0c55","keyword":"氧枪","originalKeyword":"氧枪"}],"language":"zh","publisherId":"gt200712010","title":"川70 t转炉高效吹氧的研究与实践","volume":"42","year":"2007"},{"abstractinfo":"以聚碳硅烷(PCS)为先驱体,国产光(Gw)碳纤维为增强体,采用先驱体浸渍-裂解工艺(PIP)制备了Cf/SiC复合材料.结果表明,所制备Gw碳纤维复合材料的力学性能优异,抗弯强度达到405.3MPa,断裂韧性15.7 MPa·m1/2.并对GW纤维制备复合材料的表面和断口进行了显微形貌分析,复合材料断口纤维拔出较多,Gw碳纤维在复合材料中很好地发挥了补强增韧作用.","authors":[{"authorName":"王志毅","id":"2d47fb6f-8351-4c2d-9b99-df2e956b6fdc","originalAuthorName":"王志毅"},{"authorName":"周新贵","id":"aaa50fb0-8ccb-4575-b820-cd6708cb817f","originalAuthorName":"周新贵"},{"authorName":"羊建高","id":"9193efe5-259c-4ead-afb5-043fef265e45","originalAuthorName":"羊建高"},{"authorName":"王松","id":"66bf0288-32ed-4ce5-9351-01bbbca0bdfb","originalAuthorName":"王松"},{"authorName":"周长城","id":"77e6bf2a-8c5f-49e1-a30c-1d693d8fcd3c","originalAuthorName":"周长城"},{"authorName":"黄泽兰","id":"e5fa7a4b-b780-46e4-bcac-4ffa467a3fb6","originalAuthorName":"黄泽兰"}],"doi":"","fpage":"291","id":"e28ec128-4205-40bf-a89f-4d932599d126","issue":"z2","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"b69b8249-fb1b-4000-9a3b-4afe9a003814","keyword":"GW碳纤维","originalKeyword":"GW碳纤维"},{"id":"67c9d600-2e21-42ed-962c-acbbc33f59df","keyword":"Cf/SiC复合材料","originalKeyword":"Cf/SiC复合材料"},{"id":"829519bf-e30e-4dd2-9138-4bcb55b90d45","keyword":"有机先驱体","originalKeyword":"有机先驱体"}],"language":"zh","publisherId":"cldb2007z2102","title":"碳纤维及其SiC基复合材料的性能分析","volume":"21","year":"2007"},{"abstractinfo":"通过催化加氢合成茚虫(indoxacarb)中间体反应用钯炭催化剂的性能对比,考察了钯炭催化剂的载体和载体预处理对催化剂性能的影响.实验结果表明:硝酸超声回流处理活性炭可以有效地去除活性炭中的杂质灰分,减小杂质对催化剂性能的影响;选择平均孔径大和比表面积高的活性炭为Pd/C催化剂载体可以获得较好的催化反应活性和选择性.","authors":[{"authorName":"曾利辉","id":"eb806cd4-6d1a-4f9e-9ab8-85669e74bef5","originalAuthorName":"曾利辉"},{"authorName":"闫江梅","id":"60b284f6-845a-4dd9-8538-8648a2557755","originalAuthorName":"闫江梅"},{"authorName":"高武","id":"b387da79-db57-460f-bd43-9d35cfd5261d","originalAuthorName":"高武"},{"authorName":"耿克伟","id":"91ff9293-f68e-4e79-b739-67d6d2f45a84","originalAuthorName":"耿克伟"},{"authorName":"朱柏烨","id":"6b1028d4-bfb8-473e-be06-6a68725bfe35","originalAuthorName":"朱柏烨"},{"authorName":"张之翔","id":"6ec43d14-82a6-431f-8bca-b95bbfa1c343","originalAuthorName":"张之翔"}],"doi":"","fpage":"236","id":"72d021fc-d081-453d-81a7-2f2f05c252eb","issue":"1","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"d7b291ea-b146-43ee-88a6-1aa82010894a","keyword":"茚虫","originalKeyword":"茚虫威"},{"id":"43c3e051-7bcb-4d89-b0aa-6ada84be0434","keyword":"加氢","originalKeyword":"加氢"},{"id":"a90fdcb1-cb0b-4ab1-9956-52dab4ca20a4","keyword":"Pd/C催化剂","originalKeyword":"Pd/C催化剂"},{"id":"7f63a8a2-9769-45a0-84a3-adf7e732402f","keyword":"超声回流","originalKeyword":"超声回流"},{"id":"f773307e-58e6-465a-9c38-8801911fad46","keyword":"选择性","originalKeyword":"选择性"}],"language":"zh","publisherId":"xyjsclygc201601047","title":"茚虫中间体合成用钯炭催化剂的载体研究","volume":"45","year":"2016"}],"totalpage":109,"totalrecord":1090}