{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"","authors":[{"authorName":"何奕工","id":"ff5f4960-b3bb-4e2f-a5b9-b45807018fff","originalAuthorName":"何奕工"},{"authorName":"贺玉峰","id":"40ae91a1-5967-474a-92d2-57aec36d5502","originalAuthorName":"贺玉峰"}],"doi":"","fpage":"175","id":"c84ce7db-0e1a-45b1-b4b0-9d5f5cf17853","issue":"2","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报   "},"keywords":[{"id":"aa0cb1d2-0cea-4e5d-ae87-cfe1dfd95c8b","keyword":"焦炭","originalKeyword":"焦炭"},{"id":"6d2bf953-ce25-4dff-8eb0-bc71b8ed1a72","keyword":"前驱物","originalKeyword":"前驱物"},{"id":"a7dc825a-52a0-4a57-9e74-d0371cc7d0a8","keyword":"表征","originalKeyword":"表征"},{"id":"411985be-ab0a-421b-a29a-e829fd236ca1","keyword":"<span style=\"color:red\">异构</span><span style=\"color:red\">烷</span>","originalKeyword":"异构烷"},{"id":"1fa41f86-426f-46ef-a729-c94031922fa1","keyword":"烷基化","originalKeyword":"烷基化"},{"id":"d0d2dc8a-3f45-4b57-b484-6297499b54ac","keyword":"磷钨杂多酸","originalKeyword":"磷钨杂多酸"},{"id":"6ecd9901-5712-45bd-9854-f26098a00f50","keyword":"固体酸","originalKeyword":"固体酸"}],"language":"zh","publisherId":"cuihuaxb200002022","title":"固体酸烷基化催化剂表面上焦炭前身物的结构和物化表征","volume":"21","year":"2000"},{"abstractinfo":"对分子筛催化剂上正十六<span style=\"color:red\">烷</span>的临氢<span style=\"color:red\">异构</span>化反应进行了研究,考察了不同分子筛催化剂的活性和选择性,并对临氢<span style=\"color:red\">异构</span>化反应的产物分布进行了分析. 在此基础上,对正十六<span style=\"color:red\">烷</span>的临氢<span style=\"color:red\">异构</span>化反应机理进行了初步探讨. 结果表明,正十六<span style=\"color:red\">烷</span>在中孔分子筛催化剂上的临氢<span style=\"color:red\">异构</span>化反应主要在分子筛外表面和孔口进行,分子筛的择形作用对<span style=\"color:red\">异构</span>选择性的影响有限. 这与一般情况下低分子量正构烷烃在择形分子筛上的临氢<span style=\"color:red\">异构</span>化反应有所不同. 临氢<span style=\"color:red\">异构</span>化反应的<span style=\"color:red\">异构</span>选择性主要取决于催化剂酸性组分的酸性质,弱酸和中等强度的酸对<span style=\"color:red\">异构</span>化反应有利,而催化剂的活性则由酸性组分中B酸中心的数量和加氢组分的活性共同决定.","authors":[{"authorName":"黄卫国","id":"ec0da210-8a65-4746-be6f-5f48592fadba","originalAuthorName":"黄卫国"},{"authorName":"李大东","id":"f86b8732-3dcc-4488-8408-f4b4e67457ef","originalAuthorName":"李大东"},{"authorName":"石亚华","id":"4b16a7d0-4f0b-4d34-adfb-b36683db95f9","originalAuthorName":"石亚华"},{"authorName":"康小洪","id":"cb9a3728-194a-4b00-a6fd-0a06f2a49024","originalAuthorName":"康小洪"},{"authorName":"孟宪波","id":"a71cc549-2983-4b5f-ba0a-28836e1bcc5c","originalAuthorName":"孟宪波"},{"authorName":"王奎","id":"7db1d7b0-9e3f-4b86-ac8d-770ae0571a60","originalAuthorName":"王奎"},{"authorName":"董维正","id":"6248451f-67ac-4ddf-87da-24c42ed49b3f","originalAuthorName":"董维正"},{"authorName":"聂红","id":"6d711ff6-d006-4a06-b8a5-a601e735a3c9","originalAuthorName":"聂红"},{"authorName":"李灿","id":"377533d9-3219-46f0-9e3e-9bb80a92abf8","originalAuthorName":"李灿"}],"doi":"","fpage":"651","id":"e6a621e0-ccb6-4d4d-857c-e8e7dd25dcc9","issue":"9","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报   "},"keywords":[{"id":"a58d14b7-1749-4294-8b22-9b0eec56ef1e","keyword":"铂","originalKeyword":"铂"},{"id":"a881f394-9531-4096-925d-d05e83c15a02","keyword":"分子筛","originalKeyword":"分子筛"},{"id":"08154df3-5536-47ca-bc8c-b26b59f30511","keyword":"氧化铝","originalKeyword":"氧化铝"},{"id":"095b569f-8c70-48de-a44c-f15c0f1bfbaa","keyword":"正十六<span style=\"color:red\">烷</span>","originalKeyword":"正十六烷"},{"id":"839c32ae-091b-4a4f-9841-b68ba8f0d070","keyword":"临氢<span style=\"color:red\">异构</span>反应","originalKeyword":"临氢异构反应"},{"id":"d300b55c-ea45-4aed-a9bc-4cc3d933dc19","keyword":"反应机理","originalKeyword":"反应机理"}],"language":"zh","publisherId":"cuihuaxb200309005","title":"分子筛催化剂上正十六<span style=\"color:red\">烷</span>的临氢<span style=\"color:red\">异构</span>化反应","volume":"24","year":"2003"},{"abstractinfo":"本文主要研究了配位色谱法分离齐墩果<span style=\"color:red\">烷</span>型和乌苏<span style=\"color:red\">烷</span>型五环三萜同分<span style=\"color:red\">异构</span>体的分离机理。基于计算模拟分析，β-环糊精（β-CD）和其衍生物为适宜的配位剂。采用HPLC法测定了包合物的表观形成常数，并制备了asiati-coside-B与β-CD包合物。实验结果显示：流动相中添加葡萄糖基-β-环糊精（Glu-β-CD）时，同分<span style=\"color:red\">异构</span>体的分离度为11.95，比添加β-CD或添加甲基-β-环糊精（DM-β-CD）时（分别为9.61和9.89）都略高些。假定五环三萜类化合物与β-CD形成1：1的包合物，对于asiaticoside-B，流动相中添加Glu-β-CD时，表观形成常数（KF）为2534L/mol，比添加β-CD或添加DM-β-CD时（分别为1467和1373L/mol）都略大些。根据asiaticoside-B与β-CD包合物的红外光谱解析及计算模拟，推测asiaticoside-B的E环上甲基部分进入了β-CD的空腔内，而其羰基基团没有进入β-CD的空腔内，其糖苷部分与亲水性的β-CD空腔外部形成氢键作用力。因此，配位色谱法分离齐墩果<span style=\"color:red\">烷</span>型和乌苏<span style=\"color:red\">烷</span>型五环三萜同分<span style=\"color:red\">异构</span>体的分离机理可以推测如下：齐墩果<span style=\"color:red\">烷</span>型和乌苏<span style=\"color:red\">烷</span>型五环三萜同分<span style=\"color:red\">异构</span>体E环上甲基的不同空间位阻导致了同分<span style=\"color:red\">异构</span>体的不同色谱分离行为。","authors":[{"authorName":"开桂青","id":"77a27b3b-2523-4c9a-b99d-931e83abb11a","originalAuthorName":"开桂青"},{"authorName":"刘柳","id":"c22b6c05-00e2-4e7d-bfd8-21d66804586b","originalAuthorName":"刘柳"},{"authorName":"王焕明","id":"66adc008-5760-419e-a7fc-f48cf44f0d34","originalAuthorName":"王焕明"}],"doi":"10.3724/SP.J.1123.2013.09015","fpage":"235","id":"8352c43d-0c72-442b-98a3-04ccdfad5549","issue":"3","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"7cc12dd4-97d0-44c0-b4b4-631911e2b323","keyword":"高效液相色谱","originalKeyword":"高效液相色谱"},{"id":"16f533a6-a62b-4510-9967-41d8eb75ba83","keyword":"羟基积雪草苷","originalKeyword":"羟基积雪草苷"},{"id":"278c2b5d-f60d-4bbe-9b8b-4c6734aa690d","keyword":"asiaticoside-B","originalKeyword":"asiaticoside-B"},{"id":"4f2e90e7-345e-4d11-8a7f-fe9e0791a922","keyword":"同分<span style=\"color:red\">异构</span>体","originalKeyword":"同分异构体"},{"id":"bafd367c-d142-498a-948c-240bf9a23a21","keyword":"环糊精","originalKeyword":"环糊精"}],"language":"zh","publisherId":"sp201403005","title":"齐墩果<span style=\"color:red\">烷</span>型和乌苏<span style=\"color:red\">烷</span>型五环三萜同分<span style=\"color:red\">异构</span>体配位色谱法分离机理","volume":"","year":"2014"},{"abstractinfo":"采用固定床反应器考察了双环戊二烯连续催化加氢合成桥式四氢双环戊二烯反应性能,筛选出具有良好催化性能的23%Ni/γ-Al2O3催化剂.以桥式四氢双环戊二烯为原料,采用不同类型的沸石催化剂研究了金刚<span style=\"color:red\">烷</span>的合成,并考察了沸石骨架阳离子改性和表面负载过渡金属等对其催化性能的影响.在n(cat)/n(reactant)=0.25,p(H2)=1.1 MPa,θ=250℃,t=3 h的条件下,采用三元负载型催化剂0.8%Pt-0.2%Re-3%Co/ReUSY可得到收率为27.7%的金刚<span style=\"color:red\">烷</span>.","authors":[{"authorName":"郭建维","id":"d085bd7d-e42f-4bb5-9cde-6ade12a2df03","originalAuthorName":"郭建维"},{"authorName":"崔英德","id":"750a8c7c-a291-4499-9952-94e1d92a9758","originalAuthorName":"崔英德"},{"authorName":"米镇涛","id":"b1701fd4-e22b-43d4-b720-3bf3ab7b0f7e","originalAuthorName":"米镇涛"},{"authorName":"张香文","id":"9180b882-c3b0-4356-8973-e720ca1eb53a","originalAuthorName":"张香文"}],"doi":"","fpage":"271","id":"8856ce0d-9232-4a64-b2c4-8f676de0971b","issue":"3","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报   "},"keywords":[{"id":"a0b3dc49-b438-4905-8e1b-a9ff01ec2042","keyword":"双环戊二烯","originalKeyword":"双环戊二烯"},{"id":"a3c441d3-024d-43b1-bfd7-a3852ce5d096","keyword":"加氢","originalKeyword":"加氢"},{"id":"6040dd71-1131-409c-ac65-544c1766287e","keyword":"四氢双环戊二烯","originalKeyword":"四氢双环戊二烯"},{"id":"31e834fc-1739-4c67-b208-877c417116c5","keyword":"<span style=\"color:red\">异构</span>化","originalKeyword":"异构化"},{"id":"f272e930-9e34-4827-bfb4-6356b091c3d3","keyword":"沸石催化剂","originalKeyword":"沸石催化剂"},{"id":"9a8aa14f-8192-4718-98e8-e57d21b4f9dc","keyword":"金刚<span style=\"color:red\">烷</span>","originalKeyword":"金刚烷"}],"language":"zh","publisherId":"cuihuaxb200103016","title":"双环戊二烯加氢<span style=\"color:red\">异构</span>化合成金刚<span style=\"color:red\">烷</span>","volume":"22","year":"2001"},{"abstractinfo":"利用X射线衍射、N2物理吸附与NH3-程序升温脱附等手段以及异辛烷加氢裂化探针反应研究了硅烷化处理对Pt/SAPO-11催化剂结构和酸性的影响, 并考察了催化剂对正十二<span style=\"color:red\">烷</span>临氢<span style=\"color:red\">异构</span>化反应的催化性能. 结果表明,硅烷化处理有效清除了样品外表面的酸性位,减少了发生在外表面的非选择性裂化反应. 硅烷化处理后,催化剂对单支链<span style=\"color:red\">异构</span>体的选择性明显提高,尤其对单支链端甲基<span style=\"color:red\">异构</span>体的选择性显著提高,但催化剂的总体<span style=\"color:red\">异构</span>化选择性有所降低. 硅烷化处理可能造成催化剂的孔口窄化,从而提高单支链<span style=\"color:red\">异构</span>体的选择性,但同时也导致其微孔孔道内裂化反应的增多.","authors":[{"authorName":"汪哲明","id":"f5c0ccf4-8a48-49e8-9739-226e360b8dfa","originalAuthorName":"汪哲明"},{"authorName":"田志坚","id":"ebe8a4dd-7f88-414a-8d01-a3cb4717c79a","originalAuthorName":"田志坚"},{"authorName":"滕飞","id":"8de86bef-29ed-426f-833f-f7c03bfe1bef","originalAuthorName":"滕飞"},{"authorName":"徐云鹏","id":"8c359a0b-e704-4e76-a80c-2898ee5f6fef","originalAuthorName":"徐云鹏"},{"authorName":"胡胜","id":"38dde321-8814-41f2-b119-7f02edd70ff3","originalAuthorName":"胡胜"},{"authorName":"谭明伟","id":"f1df026d-1fb1-4ced-8c95-2d903daaa38c","originalAuthorName":"谭明伟"},{"authorName":"徐竹生","id":"83745a0f-da2f-47e9-9b39-c4491d1d29ca","originalAuthorName":"徐竹生"},{"authorName":"林励吾","id":"756e616e-2687-4454-9509-9597fd828ec8","originalAuthorName":"林励吾"}],"doi":"","fpage":"819","id":"7c2ba8ca-c4fa-41bb-a5f0-7b285a91436e","issue":"9","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报   "},"keywords":[{"id":"f75c5de3-b06a-4d1d-ab29-0ff9afcbbe46","keyword":"硅烷化","originalKeyword":"硅烷化"},{"id":"53946700-d944-4c8c-8643-37dcad6e0685","keyword":"铂","originalKeyword":"铂"},{"id":"6c3b77ad-b9a3-4330-a26c-89154de0c7a9","keyword":"SAPO-11分子筛","originalKeyword":"SAPO-11分子筛"},{"id":"2fa0aaee-8d4a-4296-a812-2af2a599532b","keyword":"正十二<span style=\"color:red\">烷</span>","originalKeyword":"正十二烷"},{"id":"ae7b42cf-b55b-4226-8d08-a07dec7deda0","keyword":"临氢<span style=\"color:red\">异构</span>化","originalKeyword":"临氢异构化"},{"id":"d79ef8d2-a9fb-4f99-a225-3bed11e1e04f","keyword":"选择性","originalKeyword":"选择性"}],"language":"zh","publisherId":"cuihuaxb200509020","title":"硅烷化处理对Pt/SAPO-11催化正十二<span style=\"color:red\">烷</span>临氢<span style=\"color:red\">异构</span>化反应性能的影响","volume":"26","year":"2005"},{"abstractinfo":"采用溶剂热法,利用不同的硅源和铝源合成了富硅的SAPO-11分子筛. 结果显示,与水热法合成的样品相比,溶剂热法合成的Pt/SAPO-11催化剂具有较大的外表面积,同时其硅含量、酸度和对正十二<span style=\"color:red\">烷</span><span style=\"color:red\">异构</span>化的催化活性均显著提高. 在所有合成的Pt/SAPO-11催化剂样品中,以正硅酸乙酯与异丙醇铝为原料,采用溶剂热法合成的催化剂具有最高的酸度与正十二<span style=\"color:red\">烷</span><span style=\"color:red\">异构</span>化活性. ","authors":[{"authorName":"汪哲明","id":"a4b9339c-5e0f-467f-8cf0-cb4b2c50541a","originalAuthorName":"汪哲明"},{"authorName":"田志坚","id":"0f2d3508-8284-4ceb-935d-222d421049e4","originalAuthorName":"田志坚"},{"authorName":"腾飞","id":"85eb3524-ca6d-4934-81e7-00c2a654fbec","originalAuthorName":"腾飞"},{"authorName":"徐云鹏","id":"c785ab69-4184-448d-9ac4-05feed7c2bc6","originalAuthorName":"徐云鹏"},{"authorName":"徐竹生","id":"c355dad3-d744-4741-a5bd-d88f9186f4d3","originalAuthorName":"徐竹生"},{"authorName":"林励吾","id":"9a844f01-ea86-4813-99c1-93517f236b72","originalAuthorName":"林励吾"}],"doi":"","fpage":"268","id":"57dae4d5-b75f-4833-b240-338a5727414d","issue":"4","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报   "},"keywords":[{"id":"c98be1b3-096d-4a62-a63e-8b38b29f7077","keyword":"铂","originalKeyword":"铂"},{"id":"26b4e814-cb76-47e6-8531-c25c80332e39","keyword":"SAPO-11","originalKeyword":"SAPO-11"},{"id":"6f21730c-7229-4042-a745-f549dcf89d1d","keyword":"溶剂热合成","originalKeyword":"溶剂热合成"},{"id":"f1f99198-66f7-49df-83a0-8919bbd70ad0","keyword":"水热合成","originalKeyword":"水热合成"},{"id":"3890812f-6d8e-40dc-87d6-a2622a258056","keyword":"正十二<span style=\"color:red\">烷</span>","originalKeyword":"正十二烷"},{"id":"bf282fca-fe6c-44ad-a579-36c37947d5f8","keyword":"<span style=\"color:red\">异构</span>化","originalKeyword":"异构化"}],"language":"zh","publisherId":"cuihuaxb200504004","title":"溶剂热法合成用于正十二<span style=\"color:red\">烷</span><span style=\"color:red\">异构</span>化的高活性富蛙Pt/SAPO-11催化剂","volume":"26","year":"2005"},{"abstractinfo":"采用常规水热合成法合成了系列MgAPO-11分子筛,考察了晶化时间、 P/Al投料比和Mg源对MgAPO-11分子筛的物相、酸性以及Pt/MgAPO-11催化正十二<span style=\"color:red\">烷</span>临氢<span style=\"color:red\">异构</span>化反应性能的影响. 分别用X射线衍射、 X射线荧光光谱和NH3程序升温脱附测定了样品的晶相、 Mg含量和酸性质. 结果表明,合成条件影响着合成产物的晶相组成、 Mg含量及酸性质,从而影响到Pt/MgAPO-11在正十二<span style=\"color:red\">烷</span>临氢<span style=\"color:red\">异构</span>化反应中的催化性能. 反应结果显示, Pt/MgAPO-11催化剂的催化活性与MgAPO-11分子筛的强酸位数目密切相关. 较短的晶化时间、合成凝胶的P/Al摩尔比为1.0以及使用Mg(NO3)2为Mg源有利于提高MgAPO-11的强酸位数目,从而提高Pt/MgAPO-11的催化活性.","authors":[{"authorName":"杨晓梅","id":"436bdf64-f3fa-4689-800f-fd73656741c1","originalAuthorName":"杨晓梅"},{"authorName":"徐竹生","id":"8ad81e5a-72d0-4782-a213-93d4b78bcad6","originalAuthorName":"徐竹生"},{"authorName":"马怀军","id":"c796cf2b-6aeb-4219-818f-d5fdb4923b3d","originalAuthorName":"马怀军"},{"authorName":"徐云鹏","id":"277e69a0-da25-4695-85e9-1d2607f31c36","originalAuthorName":"徐云鹏"},{"authorName":"田志坚","id":"9b787595-61ad-4f9c-b0b1-36f3b99f9fa4","originalAuthorName":"田志坚"},{"authorName":"林励吾","id":"c83f3396-7307-43ac-8238-f62da7e17a35","originalAuthorName":"林励吾"}],"doi":"","fpage":"1039","id":"3c07f74a-9cff-46c3-a3f3-d719438044d6","issue":"11","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报   "},"keywords":[{"id":"4127b012-2237-41f7-898c-7229beb1967a","keyword":"铂","originalKeyword":"铂"},{"id":"e6e05320-0c01-430c-a919-f063eb9a0e4d","keyword":"MgAPO-11","originalKeyword":"MgAPO-11"},{"id":"bac874bd-6263-4f9a-aaf1-19707f5e27c1","keyword":"负载型催化剂","originalKeyword":"负载型催化剂"},{"id":"6e8ffbea-3350-4880-9e93-7928cd475699","keyword":"正十二<span style=\"color:red\">烷</span>","originalKeyword":"正十二烷"},{"id":"20540a63-783f-4ca6-8800-f8629e605188","keyword":"临氢<span style=\"color:red\">异构</span>化","originalKeyword":"临氢异构化"},{"id":"edecbcde-f5c7-4022-ab5f-bf79b59a35ae","keyword":"晶化时间","originalKeyword":"晶化时间"},{"id":"2fc9da17-c106-4fb2-88f3-915528761e30","keyword":"磷铝比","originalKeyword":"磷铝比"},{"id":"1351b64e-f4fa-4207-93fb-b364609c9c5f","keyword":"镁源","originalKeyword":"镁源"}],"language":"zh","publisherId":"cuihuaxb200611021","title":"MgAPO-11分子筛的合成及Pt/MgAPO-11在正十二<span style=\"color:red\">烷</span>临氢<span style=\"color:red\">异构</span>化反应中的催化性能","volume":"27","year":"2006"},{"abstractinfo":"建立了使用超高效液相色谱-电喷雾四极杆质谱(UPLC-ESI-MS)结合同位素稀释技术准确测定动物源性食品中六溴环十二<span style=\"color:red\">烷</span>(HBCD)的3种非对映<span style=\"color:red\">异构</span>体的方法.试样在加入同位素内标13C-HBCD后进行索氏提取,提取液去除脂肪后经硅胶固相萃取柱浓缩、净化后,通过Waters ACQUITY UPLCTM BEH C18色谱柱分离,以甲醇-乙腈混合液和水为流动相进行梯度洗脱.在UPLC-MS分析过程中以保留时间和母离子信息进行定性,选择离子记录(SIR)方式定量.该法对于所测试的鲜奶、鱼肉等样品,检出限为0.1～0.4 ng/g,定量限为0.4～1.2 ng/g.对于加标鱼肉样品,添加水平为0.6,2.0和6.0 ng/g时,3种被测物的加标回收率为92.9%～99.3%,相对标准偏差为3.1%～8.0%.","authors":[{"authorName":"施致雄","id":"6940448f-1db0-46f9-a470-bf4248671961","originalAuthorName":"施致雄"},{"authorName":"封锦芳","id":"5842ccb9-d5c1-47a0-809f-eb71186dfc8b","originalAuthorName":"封锦芳"},{"authorName":"李敬光","id":"750bd390-bc56-4cc7-90da-0dedfd4710ed","originalAuthorName":"李敬光"},{"authorName":"赵云峰","id":"d69f40b8-ef6b-4c74-a39e-8bbb8497e8c4","originalAuthorName":"赵云峰"},{"authorName":"吴永宁","id":"55c219cf-5edd-484c-8cb9-1e032bfca8e1","originalAuthorName":"吴永宁"}],"doi":"10.3321/j.issn:1000-8713.2008.01.001","fpage":"1","id":"03a6e5f3-19ed-43a7-8a50-9b589880e564","issue":"1","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"8e68d5c1-0ef8-4d17-812f-0cfc45bd2718","keyword":"超高效液相色谱","originalKeyword":"超高效液相色谱"},{"id":"12f4083b-ebd8-42fe-a19c-5a755508fef6","keyword":"电喷雾质谱","originalKeyword":"电喷雾质谱"},{"id":"94106b6a-0c58-4a7a-997f-c391b4cfde3c","keyword":"同位素稀释","originalKeyword":"同位素稀释"},{"id":"efc850cc-9a74-4321-9def-ba10512b594c","keyword":"六溴环十二<span style=\"color:red\">烷</span><span style=\"color:red\">异构</span>体","originalKeyword":"六溴环十二烷异构体"},{"id":"67fbacda-10eb-496c-9aef-d2e00db006b7","keyword":"食品","originalKeyword":"食品"}],"language":"zh","publisherId":"sp200801001","title":"超高效液相色谱-电喷雾质谱法结合同位素稀释技术检测动物源性食品中的六溴环十二<span style=\"color:red\">烷</span><span style=\"color:red\">异构</span>体","volume":"26","year":"2008"},{"abstractinfo":"通过比较正庚烷(n-C7)与正十四<span style=\"color:red\">烷</span>(n-C14)的临氢<span style=\"color:red\">异构</span>化反应,探讨了正构烷烃在0.4%Pt/SAPO-11催化剂上临氢<span style=\"color:red\">异构</span>化的反应历程.在低转化率下即产生裂解产物的实验结果支持质子环丙烷(PCP)作用机理,提出了在一次反应中就生成裂解产物的观点.通过分析n-C7与n-C14临氢<span style=\"color:red\">异构</span>产物的分布,认为<span style=\"color:red\">异构</span>化过程主要发生在分子筛孔道内.根据n-C7与n-C14呈现相同的反应规律,将加氢转化过程中链长超过C10的烷烃的正碳离子反应的相对速率与链长无关的观点扩展到C7,并在传统反应历程的基础上提出了修正的烷烃<span style=\"color:red\">异构</span>化反应历程.","authors":[{"authorName":"张飞","id":"4d95e4a5-9ede-49fa-aca5-8cb8f596abc2","originalAuthorName":"张飞"},{"authorName":"耿承辉","id":"9b2be6e6-3c24-4595-8f3a-2d950ca4916a","originalAuthorName":"耿承辉"},{"authorName":"高志贤","id":"98e48519-b16b-46c8-9a62-c839b20fd055","originalAuthorName":"高志贤"},{"authorName":"周敬来","id":"f568d0b3-d49c-4c5d-9ff7-6db8c3aeab06","originalAuthorName":"周敬来"}],"doi":"","fpage":"431","id":"c46070dd-7bdb-4791-ba63-fc76a1831a0f","issue":"6","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报   "},"keywords":[{"id":"19becad8-e934-482d-9fb2-010a33793245","keyword":"铂,SAPO-11 分子筛,反应历程,临氢<span style=\"color:red\">异构</span>,正庚烷,正十四<span style=\"color:red\">烷</span>","originalKeyword":"铂,SAPO-11 分子筛,反应历程,临氢异构,正庚烷,正十四烷"}],"language":"zh","publisherId":"cuihuaxb200406003","title":"正构烷烃在Pt/SAPO-11催化剂上的临氢<span style=\"color:red\">异构</span>化反应历程","volume":"25","year":"2004"},{"abstractinfo":"以Beta分子筛为硅源通过水热合成法合成了SAPO-11/Beta复合分子筛，采用X射线衍射、N2物理吸脱附、扫描电镜、透视电镜-能谱分析、固体核磁及吡啶红外等方法对单分子筛、复合分子筛和机械混合分子筛的物化性质进行了表征。以正十二<span style=\"color:red\">烷</span>为模型化合物，在固定床反应器上考察了铂负载型分子筛催化剂的<span style=\"color:red\">异构</span>化性能。结果表明，复合分子筛的物理化学性质明显不同于单分子筛和机械混合分子筛，其呈现核壳结构， SAPO-11和Beta间存在化学作用，使得复合分子筛具有适宜的B酸分布。在正十二<span style=\"color:red\">烷</span><span style=\"color:red\">异构</span>化反应中，复合分子筛催化剂的<span style=\"color:red\">异构</span>化性能优于单分子筛催化剂和机械混合分子筛催化剂，多支链<span style=\"color:red\">异构</span>体收率高。","authors":[{"authorName":"朱数金","id":"02a6b7c9-a1b3-47ee-bd32-919915ebcc66","originalAuthorName":"朱数金"},{"authorName":"刘粟侥","id":"aa0e0ad0-8a6b-451f-acd3-584bb8bad113","originalAuthorName":"刘粟侥"},{"authorName":"张怀科","id":"ca19fe72-94d0-48b0-8ba6-a01ad48cf2fb","originalAuthorName":"张怀科"},{"authorName":"吕恩静","id":"7f4dcf8d-2fd3-4307-9f28-8ea1a560e9c0","originalAuthorName":"吕恩静"},{"authorName":"任杰","id":"e25ceb5e-0f97-4afd-bfab-ee65716e3539","originalAuthorName":"任杰"}],"doi":"10.1016/S1872-2067(14)60133-9","fpage":"1676","id":"60cb3e2f-bf3d-478d-8148-0355b9f93890","issue":"10","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报   "},"keywords":[{"id":"375b4b4f-2156-4c36-b7bc-9d815a27e350","keyword":"SAPO-11","originalKeyword":"SAPO-11"},{"id":"5879b996-f6b2-40a2-9599-9c102ff1e62e","keyword":"Beta分子筛","originalKeyword":"Beta分子筛"},{"id":"0a425a7f-9f41-4727-b75c-0e9d14d9e031","keyword":"复合分子筛","originalKeyword":"复合分子筛"},{"id":"b8d2e963-388a-435a-a6d5-728c9d2fd967","keyword":"核壳结构","originalKeyword":"核壳结构"},{"id":"7bf3e370-2ebc-4b18-8321-1e5a85c9bda8","keyword":"协同作用","originalKeyword":"协同作用"},{"id":"d4a9a849-0939-479c-9470-9c998b1a4d3c","keyword":"临氢<span style=\"color:red\">异构</span>化反应","originalKeyword":"临氢异构化反应"},{"id":"0ead93cc-70b6-4dce-88af-7d568dbde679","keyword":"多支链<span style=\"color:red\">异构</span>体","originalKeyword":"多支链异构体"}],"language":"zh","publisherId":"cuihuaxb201410011","title":"SAPO-11/Beta复合分子筛的合成及其<span style=\"color:red\">异构</span>化性能研究","volume":"","year":"2014"}],"totalpage":249,"totalrecord":2486}