{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"针对油井施工高温环境下水泥浆缓凝技术的需要,以2-丙烯酰胺基-2-甲基丙磺酸(AMPS)、马来酸酐(MA)和丙烯酰胺(AM)为单体合成了三元共聚物W J-1型缓凝剂.经正交实验得最佳合成条件:单体质量比AMPS:MA:AM =21:9:8、反应温度90℃、反应时间5h、∞(引发剂)=4％(占所有单体质量比).高温高压(120℃、73.9MPa)稠化时间表明其具有良好的缓凝性能.用低场核磁对比研究了纯水泥浆G和掺加缓凝剂的水泥浆GR的横向弛豫时间在不同时间点的T2值分布情况和T2总信号量随水化时间的变化.结果表明:在初始水化阶段的150min内,对比弛豫峰的变化发现,水泥浆GR的弛豫峰峰形和峰顶位置均无明显变化,水泥浆G的弛豫峰峰形变窄且峰顶位置向短弛豫方向偏移;随水化时间的进行,T2总信号量不断减小,反映了浆体中自由水转变为化学结合水的过程.","authors":[{"authorName":"张瑞","id":"304dd57c-321c-4e0a-8205-cab9687df0b2","originalAuthorName":"张瑞"},{"authorName":"王吉星","id":"0cc5da14-0ad7-4afb-85bc-b6071063e51f","originalAuthorName":"王吉星"},{"authorName":"<span style=\"color:red\">李德</span><span style=\"color:red\">宁</span>","id":"91fa4a66-d7de-432c-99a5-01a823fce3c2","originalAuthorName":"李德宁"},{"authorName":"陈大钧","id":"f5ed5572-5b51-44a4-842f-56be7ae2c165","originalAuthorName":"陈大钧"},{"authorName":"霍锦华","id":"c5cbbcfe-568e-479a-af3f-824253fed956","originalAuthorName":"霍锦华"},{"authorName":"杨磊","id":"7ab0fc63-e7e5-4bb2-8c43-f8352dd41891","originalAuthorName":"杨磊"},{"authorName":"王晓超","id":"25664ce8-d27d-4c05-8c22-03e18695be16","originalAuthorName":"王晓超"}],"doi":"","fpage":"3186","id":"bfa6593d-bfc4-4d35-8092-51dfd17cf71e","issue":"11","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报   "},"keywords":[{"id":"da0a7b12-42bf-4b67-bd68-c97864f24f57","keyword":"缓凝剂","originalKeyword":"缓凝剂"},{"id":"93f4c137-50d5-4d89-a2dc-776e33e03477","keyword":"核磁共振","originalKeyword":"核磁共振"},{"id":"19758c8a-9529-4b2c-834b-6584a1d707ef","keyword":"弛豫时间","originalKeyword":"弛豫时间"},{"id":"453a08d9-76d7-4220-b2b0-fbc8723604a6","keyword":"水化过程","originalKeyword":"水化过程"},{"id":"33ec4399-e55f-4b25-8953-535b7ec0986b","keyword":"总信号量","originalKeyword":"总信号量"}],"language":"zh","publisherId":"gsytb201511021","title":"WJ-1型缓凝剂对水泥浆早期水化过程的影响","volume":"34","year":"2015"},{"abstractinfo":"通过利用大气腐蚀监测仪(ACM)对海南万<span style=\"color:red\">宁</span>地区的大气腐蚀进行长期电化学监测的结果,与该地区同期的主要大气腐蚀环境因素对比分析,初步找出海南万<span style=\"color:red\">宁</span>大气腐蚀的主要环境因子及其腐蚀环境特点.海南万<span style=\"color:red\">宁</span>长期处于高温高湿条件下,大气腐蚀处于连续不断过程之中,但这一地区大气污染少,加速因素较小,因而大气腐蚀不严重.","authors":[{"authorName":"祁凤玉","id":"db84778e-1328-4b7f-9257-27540a5c99df","originalAuthorName":"祁凤玉"}],"doi":"10.3969/j.issn.1005-5053.2000.03.014","fpage":"73","id":"24022872-599d-41c1-95ac-084c50684201","issue":"3","journal":{"abbrevTitle":"HKCLXB","coverImgSrc":"journal/img/cover/HKCLXB.jpg","id":"41","issnPpub":"1005-5053","publisherId":"HKCLXB","title":"航空材料学报"},"keywords":[{"id":"a51f1d17-4642-4f4a-b71c-dd5a9a23e4fb","keyword":"大气腐蚀","originalKeyword":"大气腐蚀"},{"id":"b91fee0b-234f-463b-af00-84fb23fc222b","keyword":"环境因子","originalKeyword":"环境因子"},{"id":"a158b466-aaa7-406f-a463-eb902f788eab","keyword":"电化学监测","originalKeyword":"电化学监测"}],"language":"zh","publisherId":"hkclxb200003014","title":"海南万<span style=\"color:red\">宁</span>大气腐蚀环境特点的研究","volume":"20","year":"2000"},{"abstractinfo":"彭<span style=\"color:red\">宁</span>阱是用于直接测量原子核质量的精确设备.为了保证彭<span style=\"color:red\">宁</span>阱的测量精度,需在阱中心产生精准的四极静电场,而四极静电场是通过对彭<span style=\"color:red\">宁</span>阱的核心电极施加合适的电压产生的.采用公式推导法和最小二乘法两种方法计算得到了LPT核心电极需加电压幅值.对于公式推导法,电压值完全从理论出发,经公式推导后计算得到;最小二乘法的出发点是使取样偏差的平方和最小,且通过仿真模拟考虑了电极的实际几何形状.由这两种方法得到的非四极项系数C4和C6,可用于估算因偏离理想四极电场所产生的实验误差.虽然这两种方法的出发点不同,但都可以在阱中心产生需要的四极电场.","authors":[{"authorName":"孙宇梁","id":"66a33298-bff6-4a8d-8e03-12dcbb5cddf6","originalAuthorName":"孙宇梁"},{"authorName":"王永生","id":"26342b6a-94dd-4fe0-8bdd-699936f3ffd6","originalAuthorName":"王永生"},{"authorName":"田玉林","id":"456dff8e-42d7-4330-a30c-cc4de1004b96","originalAuthorName":"田玉林"},{"authorName":"王均英","id":"3a15b361-f99c-444f-871b-8afc8d0506fc","originalAuthorName":"王均英"},{"authorName":"黄文学","id":"097fff8d-6a99-4d46-aecd-89b31976e0b5","originalAuthorName":"黄文学"}],"doi":"10.11804/NuclPhysRev.32.03.341","fpage":"341","id":"f7b275e0-25cc-46db-b247-d4791f844401","issue":"3","journal":{"abbrevTitle":"YZHWLPL","coverImgSrc":"journal/img/cover/YZHWLPL.jpg","id":"78","issnPpub":"1007-4627","publisherId":"YZHWLPL","title":"原子核物理评论   "},"keywords":[{"id":"555ccb15-cb30-45c6-8d11-50a2dcb08b7e","keyword":"彭<span style=\"color:red\">宁</span>阱","originalKeyword":"彭宁阱"},{"id":"45437d63-92ef-44a5-b2e4-1edc5c1b68a3","keyword":"质量测量","originalKeyword":"质量测量"},{"id":"1f413a8c-2165-4414-a6ef-aa88f4dd60eb","keyword":"四极电场","originalKeyword":"四极电场"},{"id":"cddd2ade-8f59-49b3-891e-7bd85113206c","keyword":"电极电压","originalKeyword":"电极电压"}],"language":"zh","publisherId":"yzhwlpl201503015","title":"兰州彭<span style=\"color:red\">宁</span>阱核心电极的最优电压幅值计算","volume":"32","year":"2015"},{"abstractinfo":"对鲁<span style=\"color:red\">宁</span>输油管道的防护层状况、恒电位仪运行参数和管道本体进行了调查分析,认为管道腐蚀原因是由于防护层老化,出现保护死角.提出加强管道防护层检补漏、大修并增设阴极保护装置等措施以延长管道使用寿命.","authors":[{"authorName":"赵庆华","id":"2df6da18-6c14-4fa6-9bc6-38d5923d7a53","originalAuthorName":"赵庆华"}],"doi":"10.3969/j.issn.1005-748X.2002.03.013","fpage":"128","id":"c2c049d5-3800-47dd-9b8e-c14cfb342a9e","issue":"3","journal":{"abbrevTitle":"FSYFH","coverImgSrc":"journal/img/cover/FSYFH.jpg","id":"25","issnPpub":"1005-748X","publisherId":"FSYFH","title":"腐蚀与防护"},"keywords":[{"id":"07540d5e-bb40-44ff-857d-164ca77a2d1d","keyword":"输油管道","originalKeyword":"输油管道"},{"id":"dd0781a3-ddd6-424c-a610-3ea42025fa9e","keyword":"腐蚀","originalKeyword":"腐蚀"},{"id":"aa84428a-05ff-45df-8d40-6e7c2ae7f3ed","keyword":"调查分析","originalKeyword":"调查分析"},{"id":"8b697203-d295-4ffd-ba7d-0873880d4c06","keyword":"对策","originalKeyword":"对策"}],"language":"zh","publisherId":"fsyfh200203013","title":"鲁<span style=\"color:red\">宁</span>输油管道腐蚀调查分析与对策","volume":"23","year":"2002"},{"abstractinfo":"以绕丹宁为母体合成的一系列绕丹<span style=\"color:red\">宁</span>衍生物是一类分析贵金属的著名试剂.我国1950年就开始对其研究,但进展缓慢.改革开放以来,绕丹<span style=\"color:red\">宁</span>衍生物研究应用进展极快,先后合成与应用了40多种这类试剂对金、银、铂、钯的分析测定进行了研究,已发表了110多篇论文和报告.该文对这些研究成果作一简要综述,以利今后的研究发展.","authors":[{"authorName":"李简","id":"76754930-18bb-4339-be88-925819f596be","originalAuthorName":"李简"},{"authorName":"冯玉怀","id":"cfd4d78b-e219-40ba-a8ea-c1b284235dea","originalAuthorName":"冯玉怀"},{"authorName":"杨丙雨","id":"7b8a52ea-3edb-4fc1-9eef-02b49ed2ae98","originalAuthorName":"杨丙雨"}],"doi":"10.3969/j.issn.1004-0676.2010.04.015","fpage":"69","id":"07f3d3dc-4bd7-437b-b7e8-86b76afbf089","issue":"4","journal":{"abbrevTitle":"GJS","coverImgSrc":"journal/img/cover/GJS.jpg","id":"38","issnPpub":"1004-0676","publisherId":"GJS","title":"贵金属"},"keywords":[{"id":"0bdc5814-6cdd-433b-8aba-3ec8f9d6535f","keyword":"分析化学","originalKeyword":"分析化学"},{"id":"023835f3-f1f2-4dfa-8a3b-3948cb27253e","keyword":"绕丹<span style=\"color:red\">宁</span>衍生物","originalKeyword":"绕丹宁衍生物"},{"id":"0ff2f3dc-ded4-40dd-9437-4f76ce49fa7e","keyword":"贵金属","originalKeyword":"贵金属"},{"id":"8edc0a6e-dcc2-40ad-836a-ca2443abd94a","keyword":"分析测定","originalKeyword":"分析测定"},{"id":"4e475227-6d85-423d-87e2-3532192bca39","keyword":"综述","originalKeyword":"综述"},{"id":"ecbedcb1-b945-4e84-ba21-bd30080b36cc","keyword":"中国","originalKeyword":"中国"}],"language":"zh","publisherId":"gjs201004015","title":"绕丹<span style=\"color:red\">宁</span>衍生物分析贵金属在中国的应用","volume":"31","year":"2010"},{"abstractinfo":"介绍了热分析技术,并利用该技术对<span style=\"color:red\">宁</span>东烟煤不同升温速率下的燃烧和热分解过程进行了试验研究.结果表明:<span style=\"color:red\">宁</span>东烟煤的燃烧是一个分阶段进行的氧化放热过程.且随着升温速率的增加,煤样的着火点、最大燃烧速率以及完全燃尽所对应的温度随之升高；但升温速率对初挥发分初析温度影响不太显著.随着升温速率的增加,煤样最大热分解速度所对应的温度逐渐升高；而升温速率对煤样热解产物初析温度和最大热分解速度的影响不大.","authors":[{"authorName":"史学星","id":"059cc399-927d-47af-8004-c0f4a14ab9ab","originalAuthorName":"史学星"},{"authorName":"孟祥升","id":"bec8d017-0f00-456e-8170-7e6b496c1621","originalAuthorName":"孟祥升"},{"authorName":"鞠新华","id":"945b8c5a-b326-4bed-8c1b-85ed0f7db471","originalAuthorName":"鞠新华"}],"doi":"","fpage":"30","id":"9d3810cb-8196-4138-ac97-189c363d043a","issue":"2","journal":{"abbrevTitle":"WLCS","coverImgSrc":"journal/img/cover/WLCS.jpg","id":"64","issnPpub":"1001-0777","publisherId":"WLCS","title":"物理测试"},"keywords":[{"id":"df194a09-e45e-457f-8418-9d4ce3d593d1","keyword":"差示扫描量热法","originalKeyword":"差示扫描量热法"},{"id":"db9b0aa7-478c-44b3-89e6-3c30a3a5af72","keyword":"热重法","originalKeyword":"热重法"},{"id":"a3ad2d5d-3a72-4d71-b1f9-1aa8b8dda80d","keyword":"燃烧","originalKeyword":"燃烧"},{"id":"800c3581-5252-4ce4-ae08-d5e746017f81","keyword":"热分解","originalKeyword":"热分解"}],"language":"zh","publisherId":"wlcs201302008","title":"热分析技术研究<span style=\"color:red\">宁</span>东烟煤的高温特性","volume":"31","year":"2013"},{"abstractinfo":"选取具备我国典型热带海洋气候条件的万<span style=\"color:red\">宁</span>试验站,进行丙烯酸聚氨酯涂层(BDC)2 a近海大气的自然老化试验,对其在近海地区的老化历程及老化机理进行了研究;同时在实验室环境下进行了BDC样品的湿热、盐雾、UVA的循环老化试验,对其老化历程进行验证.结果表明:在万<span style=\"color:red\">宁</span>近海地区,BDC样品老化初期的光泽变化较明显,涂层以水解老化方式为主;老化中期涂层的失效大部分是由腐蚀介质Cl-的侵入而引起的;当老化1 a左右时,老化速度放缓,此时涂层的变化主要是由于光氧化作用;实验室加速循环试验谱湿热(168 h)-盐雾(168 h)-UVA(168 h)基本可以模拟涂层万<span style=\"color:red\">宁</span>近海地区1 a的变化,以色差为指标,模拟后关联度可达0.926,二者的XPS及FI-IR谱图也非常接近.","authors":[{"authorName":"李倩倩","id":"1683bc2c-45c5-4638-99a5-c065d3ece112","originalAuthorName":"李倩倩"},{"authorName":"李晖","id":"c197a5f9-abb9-477d-af9e-f904f0da7750","originalAuthorName":"李晖"},{"authorName":"郑会保","id":"ae8a14e5-0daa-4220-a60a-9cf79392d18c","originalAuthorName":"郑会保"},{"authorName":"王登霞","id":"dfe129fc-0b3b-4ba7-b660-f0a8317d86ae","originalAuthorName":"王登霞"},{"authorName":"孙岩","id":"3c50262e-a12a-48c1-a4dd-2e30f9d0a1a2","originalAuthorName":"孙岩"},{"authorName":"刘亚平","id":"0613125e-0d13-44f5-a768-594caac668ac","originalAuthorName":"刘亚平"},{"authorName":"易富庆","id":"7fc6f6fd-379f-457b-9480-4a9ee91a668a","originalAuthorName":"易富庆"}],"doi":"","fpage":"12","id":"960000bc-c1bd-498c-91f7-b16c7d215d03","issue":"3","journal":{"abbrevTitle":"TLGY","coverImgSrc":"journal/img/cover/TLGY.jpg","id":"61","issnPpub":"0253-4312","publisherId":"TLGY","title":"涂料工业   "},"keywords":[{"id":"607e8a89-d986-418b-aa25-92fd360185a4","keyword":"丙烯酸聚氨酯涂层","originalKeyword":"丙烯酸聚氨酯涂层"},{"id":"0472c980-f292-41e5-a976-dc757b9aff82","keyword":"万<span style=\"color:red\">宁</span>近海老化试验","originalKeyword":"万宁近海老化试验"},{"id":"8b8f6b91-74e8-4acc-b4dc-7952ce1ccc13","keyword":"老化机理","originalKeyword":"老化机理"},{"id":"97037777-ca79-40b3-a224-4248fb0e994f","keyword":"加速循环试验","originalKeyword":"加速循环试验"}],"language":"zh","publisherId":"tlgy201603003","title":"丙烯酸聚氨酯涂层万<span style=\"color:red\">宁</span>近海地区自然老化历程与机理","volume":"46","year":"2016"},{"abstractinfo":"研究了对磺酸基苯亚甲基若丹<span style=\"color:red\">宁</span>(SBDR)与铂的显色反应;在盐酸介质中,SBDR与铂反应生成2∶1稳定络合物,λmax＝545nm,ε＝7.25×104L/(mol·cm),铂质量浓度在0～50μg/25ml范围内符合比尔定律.该方法用于催化剂中铂含量的测定,结果令人满意.","authors":[{"authorName":"李明","id":"dd53fb81-8b7d-4ab3-9b90-2be145a75aa6","originalAuthorName":"李明"},{"authorName":"<span style=\"color:red\">李德</span>良","id":"c5057b49-85cf-424e-90e2-b63538f07423","originalAuthorName":"李德良"},{"authorName":"杨丽君","id":"8790ae20-243e-4b99-b434-41ba35907b68","originalAuthorName":"杨丽君"},{"authorName":"张群","id":"6a91207c-7e53-40d5-930d-d484f67d4234","originalAuthorName":"张群"},{"authorName":"李海涛","id":"80d10f72-90f8-4880-b337-44fb7f46b4b4","originalAuthorName":"李海涛"},{"authorName":"尹家元","id":"30bfbba9-b68a-4e0c-a2e3-dc38b839b1a8","originalAuthorName":"尹家元"}],"doi":"10.3969/j.issn.1001-1277.2004.02.013","fpage":"41","id":"0ae4108c-4334-46b8-9083-9535a1ea1f13","issue":"2","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"078def15-44ea-4404-ae51-92aef531c933","keyword":"对磺酸基苯亚甲基若丹<span style=\"color:red\">宁</span>","originalKeyword":"对磺酸基苯亚甲基若丹宁"},{"id":"98dc8e22-0a9d-4d50-9c46-7b1c88899771","keyword":"铂","originalKeyword":"铂"},{"id":"cc60749a-fdd8-4303-a246-4c2d8c94f8d4","keyword":"光度法","originalKeyword":"光度法"}],"language":"zh","publisherId":"huangj200402013","title":"对磺酸基苯亚甲基若丹<span style=\"color:red\">宁</span>光度法测定铂的研究","volume":"25","year":"2004"},{"abstractinfo":"本文详细研究了丹<span style=\"color:red\">宁</span>沉淀铌(Ⅴ)过程中钼(Ⅵ)的沉淀情况;显色时酒石酸、硫酸、乙醇、EDTA、氯代磺酚S的用量的影响,找到了一种准确测定钢中铌含量的分析方法.使用该方法,除钽外,其余元素皆不干扰,适用各种钢的日常分析和仲裁分析.","authors":[{"authorName":"杨道兴","id":"4d40c52f-6745-4373-8fa3-1ba385e5eada","originalAuthorName":"杨道兴"}],"doi":"10.3969/j.issn.1000-7571.2004.z1.086","fpage":"293","id":"41cde922-c578-4d38-a9ae-512e57cbfac0","issue":"z1","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"72e6d93d-2bf8-450b-ae1a-0072d0b811f1","keyword":"丹<span style=\"color:red\">宁</span>酸","originalKeyword":"丹宁酸"},{"id":"d844d70f-9ee2-404f-8043-d94c45a9e4d5","keyword":"氯代磺酚S","originalKeyword":"氯代磺酚S"},{"id":"e5a5b75d-9d76-43f8-a7ab-3cced944780f","keyword":"铌","originalKeyword":"铌"}],"language":"zh","publisherId":"yjfx2004z1086","title":"丹<span style=\"color:red\">宁</span>沉淀-氯代磺酚S光度法测定钢中铌含量","volume":"24","year":"2004"},{"abstractinfo":"研究了在CTMAB存在下,Au(Ⅲ)与氯磺酚偶氮硫代若丹<span style=\"color:red\">宁</span>的显色反应,实验表明,在pH = 3.0的盐酸溶液中,Au(Ⅲ)与试剂形成1:2的橘黄色络合物,其λmax = 460 nm,( = 1.52×105 L·mol-1·cm-1.Au(Ⅲ)含量在0～14 (g/10mL符合比尔定律.本法用于金矿石中微量金的测定,结果满意.","authors":[{"authorName":"赵宇侠","id":"23c5ccda-18f7-45c2-97d3-0e7e211c2144","originalAuthorName":"赵宇侠"},{"authorName":"许兴友","id":"66442320-5bdd-4d54-9cd2-1f498e0ae815","originalAuthorName":"许兴友"},{"authorName":"马卫兴","id":"14a33e6b-7844-4497-9478-63e6d7777825","originalAuthorName":"马卫兴"},{"authorName":"张秋容","id":"4d0052e9-b4eb-4930-ad03-782fd44fa62f","originalAuthorName":"张秋容"},{"authorName":"陈文宾","id":"79a8aace-8a28-48d3-947d-f7f881eb5072","originalAuthorName":"陈文宾"}],"doi":"10.3969/j.issn.1004-0676.2007.03.014","fpage":"56","id":"7129f6bb-c13f-43af-a71a-c4eed98a013d","issue":"3","journal":{"abbrevTitle":"GJS","coverImgSrc":"journal/img/cover/GJS.jpg","id":"38","issnPpub":"1004-0676","publisherId":"GJS","title":"贵金属"},"keywords":[{"id":"694d8679-07f4-4f78-90d9-272a385c5ecb","keyword":"分析化学","originalKeyword":"分析化学"},{"id":"751d94c9-1e82-4f16-8ad8-b80abf22e16a","keyword":"氯磺酚偶氮硫代若丹<span style=\"color:red\">宁</span>","originalKeyword":"氯磺酚偶氮硫代若丹宁"},{"id":"0258861b-e34d-4c58-9121-b3233c71970e","keyword":"分光光度法","originalKeyword":"分光光度法"},{"id":"df3e5ef7-d3b0-4434-b565-d617e1b9d941","keyword":"金","originalKeyword":"金"}],"language":"zh","publisherId":"gjs200703014","title":"氯磺酚偶氮硫代若丹<span style=\"color:red\">宁</span>光度法测定微量金","volume":"28","year":"2007"}],"totalpage":12,"totalrecord":117}