{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"利用旋转Gauss曲面体新型热源模型,忽略深熔激光焊时小孔对传热的影响,建立了移动激光热源作用下的三维数学模型.利用PHOENICS3.4软件,模拟了SUS304不锈钢深熔激光焊接热过程的温度场和熔池熔合线形状,得到了不同焊接速度下的温度场分布云图和\"钉头\"状的熔池形状.数值模拟结果与试验结果基本吻合.","authors":[{"authorName":"张瑞华","id":"a1756c30-c521-46d7-b126-699f9470f01c","originalAuthorName":"张瑞华"},{"authorName":"樊丁","id":"e24c3da9-3d71-4682-a28c-88dabe80ee62","originalAuthorName":"樊丁"},{"authorName":"片山聖二","id":"e7fdd0fc-45c0-459f-b151-ceb1c14b29c5","originalAuthorName":"片山聖二"}],"doi":"10.3969/j.issn.1000-3738.2007.02.022","fpage":"71","id":"c47b3655-eb05-4785-8406-4c3eed933be9","issue":"2","journal":{"abbrevTitle":"JXGCCL","coverImgSrc":"journal/img/cover/JXGCCL.jpg","id":"45","issnPpub":"1000-3738","publisherId":"JXGCCL","title":"机械工程材料"},"keywords":[{"id":"5a3e9975-273f-4424-837d-d063fe4ca90f","keyword":"激光焊接","originalKeyword":"激光焊接"},{"id":"d42ea722-c09e-45fc-bce7-9c3216d3fa22","keyword":"熔池","originalKeyword":"熔池"},{"id":"6fd5d01b-cc51-4dd5-ac6b-32a127be308b","keyword":"温度场","originalKeyword":"温度场"},{"id":"eeea060a-f3b2-4f7f-a718-b6bc249203b5","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"jxgccl200702022","title":"深熔激光焊接熔池温度场的数值模拟","volume":"31","year":"2007"},{"abstractinfo":"采用6种二烷基双二茂铁甲醇(1a~1f)与三氟化硼在二氯甲烷中反应形成了稳定的二烷基双二茂铁甲基碳正离子(2a~2f),无需从反应混合物中分离,可直接与二乙醇胺在二氯甲烷中反应,得到了6种新的产率为81%~87%的二烷基双二茂铁甲氧基乙胺Fc(R2Fc')CHOCH2CH2NH2(3a~3f).通过元素分析、IR和1H NMR测试技术确证了化合物3a~3f结构.","authors":[{"authorName":"胡瑞珏","id":"f8c9dae7-ed34-40ab-9bba-ec9a8cbb1e75","originalAuthorName":"胡瑞珏"},{"authorName":"李保国","id":"aeee8827-e0c9-4159-9677-884247abac91","originalAuthorName":"李保国"},{"authorName":"白淑珍","id":"5c3c3214-2ba5-431d-9b40-3181ee8ce1ba","originalAuthorName":"白淑珍"},{"authorName":"张海波","id":"42fbc27d-c275-401c-a959-46e15ccd5121","originalAuthorName":"张海波"}],"doi":"10.3969/j.issn.1000-0518.2008.03.006","fpage":"286","id":"da802531-7fc2-44f8-a4dd-9800b679c6e3","issue":"3","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"498b4f61-1187-473b-b23f-037e6b2f2295","keyword":"双二茂铁甲氧基乙胺","originalKeyword":"双二茂铁甲氧基乙胺"},{"id":"a95d7939-fd21-4cf0-a637-d3b49ff20a3b","keyword":"双二茂铁甲基碳正离子","originalKeyword":"双二茂铁甲基碳正离子"},{"id":"b1d0186b-73b7-4d9d-9d9a-905d10742ebe","keyword":"二乙醇胺","originalKeyword":"二乙醇胺"},{"id":"dd8bac41-afa4-4058-8944-5875e048cfa1","keyword":"合成","originalKeyword":"合成"}],"language":"zh","publisherId":"yyhx200803006","title":"二烷基双二茂铁甲氧基乙胺的合成","volume":"25","year":"2008"},{"abstractinfo":"本文介绍了一种生产4,4'二氨基二苯基甲烷(MDA)的先进工艺,通过本工艺生产的产品不但质量高、成本低,而且无环境污染.","authors":[{"authorName":"王旭东","id":"539d6aa9-8c85-494b-b240-8c1b029c844b","originalAuthorName":"王旭东"},{"authorName":"杨光军","id":"b58b5e17-668d-4140-a0b9-5d9c621a56fd","originalAuthorName":"杨光军"},{"authorName":"杨万宏","id":"e9ccf18b-a93d-4684-ad21-3e38a4e51397","originalAuthorName":"杨万宏"},{"authorName":"孙敦孝","id":"f80e56b1-ead0-4c04-ba94-f41083191bef","originalAuthorName":"孙敦孝"},{"authorName":"杜严峻","id":"baf0333e-870f-4d01-a9ab-e42adb531be0","originalAuthorName":"杜严峻"}],"doi":"10.3969/j.issn.1009-9239.2000.03.012","fpage":"43","id":"5e54e6c6-f353-47d4-ba14-2fb4b89eeb8b","issue":"3","journal":{"abbrevTitle":"JYCL","coverImgSrc":"journal/img/cover/JYCL.jpg","id":"50","issnPpub":"1009-9239","publisherId":"JYCL","title":"绝缘材料"},"keywords":[{"id":"902643ea-8928-4bf5-80ba-d089f5c742a6","keyword":"4,4'-二氢基二苯基甲烷","originalKeyword":"4,4'-二氢基二苯基甲烷"},{"id":"2bd06941-8a35-4701-92b8-0263659f8b2d","keyword":"制造","originalKeyword":"制造"},{"id":"e69e3e5d-1ea4-4b29-84f7-254a8fbf8296","keyword":"多胺连产法","originalKeyword":"多胺连产法"}],"language":"zh","publisherId":"jycltx200003012","title":"二氨基二苯基甲烷生产新工艺","volume":"","year":"2000"},{"abstractinfo":"采用振动弦黏度/密度计对二乙二醇二甲醚的密度和黏度进行了实验测量,测量的温度范围为243.15~323.15 K,压力范围为0.1~20 MPa.实验系统密度和黏度测量的不确定度分别为±0.2%和±2%.利用得到的实验数据,分别拟合了二乙二醇二甲醚密度和黏度的关联方程.密度实验数据与关联方程的平均绝对偏差为O.07%,最大绝对偏差为0.19%.黏度实验数据与关联方程的平均绝对偏差为0.83%,最大绝对偏差为2.20%.并对实验数据和文献数据进行了比较.为二乙二醇二甲醚的应用研究提供了基础物性数据.","authors":[{"authorName":"孟现阳","id":"44594dde-02ed-4242-a85e-915e4ff66714","originalAuthorName":"孟现阳"},{"authorName":"唐孝端","id":"fa0475b7-3cb8-46af-86c0-38545129be24","originalAuthorName":"唐孝端"},{"authorName":"吴江涛","id":"fb70fe37-db57-47f4-a54b-b81d38bb5817","originalAuthorName":"吴江涛"},{"authorName":"刘志刚","id":"e3d86d33-c01e-424d-a19f-ee17a65c8071","originalAuthorName":"刘志刚"}],"doi":"","fpage":"1465","id":"6f111e6d-2727-4d59-80bd-1f83f3235c1b","issue":"9","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"7a346302-14ae-40dc-ac3e-f8243d2d336c","keyword":"密度","originalKeyword":"密度"},{"id":"b800ebfe-d553-4065-90c6-28ba7fc3a678","keyword":"二乙二醇二甲醚","originalKeyword":"二乙二醇二甲醚"},{"id":"65e7c030-132e-4ff4-9f23-c6f5be5e77a7","keyword":"振动弦","originalKeyword":"振动弦"},{"id":"b8c6cd40-f66d-48b8-a9d1-9768a2d9e8f9","keyword":"黏度","originalKeyword":"黏度"}],"language":"zh","publisherId":"gcrwlxb201009007","title":"二乙二醇二甲醚密度和黏度的实验研究","volume":"31","year":"2010"},{"abstractinfo":"用熔融缩聚法合成了一系列聚(丁二酸丁二醇酯癸二酸丁二醇酯)的无规共聚物(PBSu-co-PBSe)。通过核磁共振(1H-NMR),差示扫描量热(DSC),热重分析(TGA),X射线衍射(XRD)和酶降解测试等方法表征了材料的结构与性能。XRD测试结果表明,共聚酯的晶体结构随着癸二酸含量的增加发生了改变,并产生了共结晶行为;DSC分析得出,随着PBSe组分在共聚酯中含量的增大,产物的熔点(Tm)由84.8℃降低至46.7℃,然后升高至55.9℃,玻璃化温度(Tg)单调降低至-58.7℃;TGA分析表明,癸二酸的引入提高了聚酯的热稳定性;酶降解测试得出产物具有良好的生物降解性,当PBSe占共聚酯含量的40%时,产物具有最快的降解速率。","authors":[{"authorName":"郝瑞","id":"b616500a-4a73-4a6c-877a-2034cf6585ce","originalAuthorName":"郝瑞"},{"authorName":"周艺峰","id":"c266faf3-1946-45f6-9661-afa743a62077","originalAuthorName":"周艺峰"},{"authorName":"聂王焰","id":"37d58fad-ba0d-486b-9f8c-b0c1895c58c8","originalAuthorName":"聂王焰"}],"doi":"","fpage":"33","id":"bce05a27-9da3-477c-a027-f5483482b507","issue":"3","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"e0844e34-8fb7-4641-a766-85253c21ff14","keyword":"生物降解聚酯","originalKeyword":"生物降解聚酯"},{"id":"ae73d6a6-97d5-40f5-b648-8dfe52db779a","keyword":"聚(丁二酸丁二醇酯)","originalKeyword":"聚(丁二酸丁二醇酯)"},{"id":"8ac3ac36-ee5a-4ff4-a810-4b7b0a385155","keyword":"癸二酸","originalKeyword":"癸二酸"},{"id":"4f481792-6111-43ce-83c3-a803958324c8","keyword":"共聚改性","originalKeyword":"共聚改性"},{"id":"e8c2e22d-3e6d-459c-9970-03c593d396ee","keyword":"酶降解","originalKeyword":"酶降解"}],"language":"zh","publisherId":"gfzclkxygc201203009","title":"聚(丁二酸丁二醇酯癸二酸丁二醇酯)的合成与表征","volume":"28","year":"2012"},{"abstractinfo":"本文利用瞬态单热线法对温度区间233~373 K、压力区间0.1~30 MPa的二乙二醇二甲醚(DMDE)的导热系数进行了实验研究,为替代燃料研究提供了基础数据,导热系数测量不确定度为±2%.实验数据拟合成导热系数关于温度和压力的方程,实验数据与拟合方程计算值的最大偏差为-2.56%,平均绝对偏差为0.91%.","authors":[{"authorName":"刘云飞","id":"f9dbd439-2f8e-4eb9-8685-2b6081b8bd74","originalAuthorName":"刘云飞"},{"authorName":"吴江涛","id":"8baab073-a266-4bac-a8e2-8d5c4346bac0","originalAuthorName":"吴江涛"},{"authorName":"许晓飞","id":"b31020b2-b9e5-4d16-82bf-832399ff8417","originalAuthorName":"许晓飞"},{"authorName":"刘志刚","id":"25ac4e49-37d5-4e67-9e31-1fcb34c16c89","originalAuthorName":"刘志刚"}],"doi":"","fpage":"1287","id":"a282aa04-d618-4b4b-a7e1-d249de803f87","issue":"8","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"1913383a-a8ff-436e-b7dd-c5b88122a702","keyword":"二乙二醇二甲醚","originalKeyword":"二乙二醇二甲醚"},{"id":"8298e030-8a4f-485e-9c7b-916b8531c953","keyword":"导热系数","originalKeyword":"导热系数"},{"id":"b34ef999-fc4d-42e6-b59d-596ff455737e","keyword":"瞬态热线法","originalKeyword":"瞬态热线法"}],"language":"zh","publisherId":"gcrwlxb200808007","title":"二乙二醇二甲醚液相导热系数实验研究","volume":"29","year":"2008"},{"abstractinfo":"10种二茂铁甲酰基-1,1′-二烷基二茂铁经LiAlH4还原得到10种相应的二茂铁基-1,1′-二烷基二茂铁甲醇.这类羟基化合物对酸的敏感性很高.由2种二茂铁基-1,1′-二乙基二茂铁甲醇与BF3在二氯甲烷中反应形成了稳定的二茂铁基-1,1′-二乙基二茂铁甲基碳正离子.无需从反应混合物中分离,该离子与乙胺作用得到了2种N-取代产物.由元素分析、红外光谱和核磁共振氢谱证实了化合物的结构.","authors":[{"authorName":"李保国","id":"2301d240-13ae-4897-8862-d196cf1bc455","originalAuthorName":"李保国"},{"authorName":"边占喜","id":"f5412ef4-246c-4e32-846e-e7e1cc09f2c2","originalAuthorName":"边占喜"},{"authorName":"曹立志","id":"84100dde-d9d2-44e6-8ca8-8411e07aaa86","originalAuthorName":"曹立志"},{"authorName":"赵蔚","id":"d6d8df5c-b4e3-43d2-b88a-5f8d9dbbd2c7","originalAuthorName":"赵蔚"}],"doi":"10.3969/j.issn.1000-0518.2001.11.007","fpage":"877","id":"d3d149ff-1a71-44b6-94d3-e5d9ca3811e5","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":"e6cafa65-a81e-46af-9cec-fc25f70a737a","keyword":"二茂铁基二烷基二茂铁甲醇","originalKeyword":"二茂铁基二烷基二茂铁甲醇"},{"id":"a09dba10-37c0-4e80-9c68-a9f6e4dfe43d","keyword":"二茂铁甲酰基二烷基二茂铁","originalKeyword":"二茂铁甲酰基二烷基二茂铁"},{"id":"96757622-df88-4c49-b475-f0fa24e5de09","keyword":"二茂铁基二乙基二茂铁甲基碳正离子","originalKeyword":"二茂铁基二乙基二茂铁甲基碳正离子"},{"id":"182ce615-e1f1-4675-9431-269671d432bd","keyword":"合成","originalKeyword":"合成"}],"language":"zh","publisherId":"yyhx200111007","title":"二茂铁基-1,1′-二烷基二茂铁甲醇的合成与性质","volume":"18","year":"2001"},{"abstractinfo":"研究了以N,N'-二(十二烷基)乙二胺二乙酸(简写为H2R2Y)为络合剂、氯仿作为稀释剂萃取稀土钕的行为.考察了水相酸度、萃取剂浓度、温度、相比等对萃取率的影响.用摩尔比法和电导法确定了R2H2Y与Nd3+的络合比为2:1.实验表明,钕的萃取率随络合剂浓度增大而增大,分配比在22℃~35℃范围内随温度的升高而降低,在pH=6~7范围内,H2R2Y对Nd3+的萃取率接近100%.","authors":[{"authorName":"杜巧云","id":"274b2237-6633-4d9c-8024-11d2c526e8e2","originalAuthorName":"杜巧云"},{"authorName":"刘春辉","id":"b41a3821-051c-4fd2-a994-daa51cacd338","originalAuthorName":"刘春辉"}],"doi":"10.3969/j.issn.1004-0277.2006.03.023","fpage":"94","id":"9479d459-83d7-4e9e-9441-ba366174d8e6","issue":"3","journal":{"abbrevTitle":"XT","coverImgSrc":"journal/img/cover/XT.jpg","id":"65","issnPpub":"1004-0277","publisherId":"XT","title":"稀土"},"keywords":[{"id":"1c7e6a11-7010-4ef1-bc04-cf6ec867cb13","keyword":"N,N'-二(十二烷基)乙二胺二乙酸","originalKeyword":"N,N'-二(十二烷基)乙二胺二乙酸"},{"id":"6f252d50-816c-4361-9b16-04d7b732aec8","keyword":"氨羧络合剂","originalKeyword":"氨羧络合剂"},{"id":"736be37b-ff40-4ef5-bb4d-ad75d93470a4","keyword":"萃取","originalKeyword":"萃取"},{"id":"898df651-4306-45b1-975c-3ae98ab0f34a","keyword":"螯合物","originalKeyword":"螯合物"},{"id":"57e136e6-2faa-4db5-9423-ebc623755c6e","keyword":"钕","originalKeyword":"钕"}],"language":"zh","publisherId":"xitu200603023","title":"N,N'-二(十二烷基)乙二胺二乙酸萃取钕的研究","volume":"27","year":"2006"},{"abstractinfo":"研究了N,N′-二(十二烷基)乙二胺二乙酸的氯仿溶液对铜的萃取行为,考察了初始水相酸度、萃取剂浓度及温度对Cu(Ⅱ)萃取率的影响. 结果表明,在pH≥6条件下对Cu(Ⅱ)有很高的萃取率,且在一定范围内随萃取剂浓度增大和温度升高萃取率均增大;用摩尔比法和电导法测得萃合物中Cu2+与萃取剂的摩尔比为1∶1;控制pH=6能使Cu(Ⅱ)与常见过渡金属离子Fe(Ⅱ)、Co(Ⅱ)、Ni(Ⅱ)、 Zn(Ⅱ)、Mn(Ⅱ)得到分离.","authors":[{"authorName":"杜巧云","id":"acc847a6-e2f3-453d-b1e4-21e467fc08b0","originalAuthorName":"杜巧云"},{"authorName":"王建革","id":"f7c98908-a27e-4734-a3ad-b937c02d0d7a","originalAuthorName":"王建革"},{"authorName":"吉苏宁","id":"94b9bcc4-99fb-4146-8f26-02866d5f8a27","originalAuthorName":"吉苏宁"}],"doi":"10.3969/j.issn.1000-0518.2003.08.012","fpage":"764","id":"1f3c0d61-6348-47c2-b02a-027f9325a08b","issue":"8","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"19edb323-4c0f-4f3b-b7e9-b28c863f23bc","keyword":"N","originalKeyword":"N"},{"id":"047f0134-0c62-44ce-aec5-e7aa901f78f3","keyword":"N′-二(十二烷基)乙二胺二乙酸","originalKeyword":"N′-二(十二烷基)乙二胺二乙酸"},{"id":"42135839-e6af-4fb6-92bf-34e48f0e84a2","keyword":"萃取分离","originalKeyword":"萃取分离"},{"id":"cf7ab16d-00f6-4004-8681-023474d275b2","keyword":"螯合","originalKeyword":"螯合"},{"id":"448e61da-8a3b-4a98-92ca-116dbf35be44","keyword":"铜","originalKeyword":"铜"}],"language":"zh","publisherId":"yyhx200308012","title":"N,N′-二(十二烷基)乙二胺二乙酸萃取分离铜","volume":"20","year":"2003"},{"abstractinfo":"以Nd2O3、(CH3)3SiCl和乙二醇二甲醚(DME)为原料,合成了NdCl3 ·2DME配合物,并将其用于催化丁二烯聚合.考察了助催化剂种类与用量、陈化温度和聚合时间对聚合的影响.结果表明,以烷基铝与甲基铝氧烷(MAO)共同作为助催化剂时具有高聚合活性,而单独以烷基铝或MAO为助催化剂时聚合活性很低.当n(Nd)∶n(AlR3)∶n(MAO)=1∶30∶45时,催化活性最高.陈化温度对聚合活性、聚合物结构及相对分子质量均有较大的影响.陈化温度过低或者过高,聚合活性、聚丁二烯cis-1,4含量和相对分子质量均降低;陈化温度为50℃时,具有最高聚合活性和最高cis-1,4含量.NdCl3·2DME催化体系所得聚丁二烯的cis-1,4含量高达98.7% (IR),而1,4-结构总含量高达99.6% (1H NMR).","authors":[{"authorName":"田林","id":"a4dc6f80-48d8-4a85-9b13-1a797ff0d39d","originalAuthorName":"田林"},{"authorName":"毕吉福","id":"1ac7ede9-d113-49bf-8991-0bfa0a835825","originalAuthorName":"毕吉福"},{"authorName":"吴广峰","id":"169eb5dc-9611-4086-a0a2-fb13593075d9","originalAuthorName":"吴广峰"},{"authorName":"张学全","id":"91e8bc46-d70a-4192-9317-554454368d73","originalAuthorName":"张学全"}],"doi":"10.3724/SP.J.1095.2013.20063","fpage":"16","id":"ce73683e-c7ee-4ded-8467-0c16fb1ee5a4","issue":"1","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"c17dd967-7179-494f-9bcf-e9cabc019dbe","keyword":"丁二烯","originalKeyword":"丁二烯"},{"id":"52b84f57-ac26-4776-adc7-30dfc7c43b1a","keyword":"氯化稀土","originalKeyword":"氯化稀土"},{"id":"8219ac96-7f5c-46d5-b7fd-e9aa913c20e6","keyword":"乙二醇二甲醚","originalKeyword":"乙二醇二甲醚"}],"language":"zh","publisherId":"yyhx201301003","title":"氯化稀土乙二醇二甲醚配合物催化丁二烯聚合","volume":"30","year":"2013"}],"totalpage":2934,"totalrecord":29334}