{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":2,"startPagecode":1},"records":[{"abstractinfo":"目的:外加电流阴极保护技术逐渐应用于船舶和海洋结构物防腐领域,但随之而来的杂散电流很可能使平台附近的海底管道本身或者其牺牲阳极阴极保护系统产生电化学腐蚀,缩短海底管道使用寿命,甚至破坏管道本身结构而造成严重的生产事故,因此需要预测外加电流阴极保护系统对附近海底管道及其牺牲阳极阴极保护系统可能造成的不利影响。方法提出一种基于边界元法的预测海底管道杂散电流影响的数值模拟方法,建立包括域内控制方程和对应的边界条件的数学模型,可以计算得到海底管道受杂散电流影响区域的位置和范围,并且得到受影响区域表面保护电位的分布情况。结果通过实验室海底管道模型杂散电流试验测量结果与数值模拟结果进行比较,验证该方法预测海底管道杂散电流影响的准确性,数值模拟仿真结果与试验测量结果最大误差百分比约为1.7%,平均误差百分比小于0.2%。数值模拟计算结果准确地预测了海底管道模型表面保护电位分布情况,预测了导管架平台模型外加电流阴极保护系统对海底管道模型杂散电流的影响情况。结论使用的边界元阴极保护数值模拟技术可以准确预测海底管道杂散电流的影响情况,为海底管道杂散电流影响预测研究提供了有力工具。","authors":[{"authorName":"余晓毅","id":"4a7f23d7-21c9-4863-a643-f08490d9e179","originalAuthorName":"余晓毅"},{"authorName":"常炜","id":"99574e10-4d93-4ca9-a3f6-085aec3ec9e9","originalAuthorName":"常炜"},{"authorName":"于湉","id":"f9b96257-82df-44ec-bc5f-3a940b5dda0c","originalAuthorName":"于湉"},{"authorName":"黄一","id":"f74e2bd7-cbac-4a7a-98be-69d14171b4d9","originalAuthorName":"黄一"},{"authorName":"宋世德","id":"4b53b41d-b4d7-476d-82d6-6ab6ab056b00","originalAuthorName":"宋世德"},{"authorName":"尚世超","id":"a818008c-2323-4f08-9930-3280d333941d","originalAuthorName":"尚世超"},{"authorName":"胡尧","id":"0d7c612d-d1e1-4f8b-8280-bccc7746702c","originalAuthorName":"胡尧"}],"doi":"10.16490/j.cnki.issn.1001-3660.2016.05.010","fpage":"67","id":"4f5b7e58-2ad3-48fd-bc15-bb17ca534f32","issue":"5","journal":{"abbrevTitle":"BMJS","coverImgSrc":"journal/img/cover/BMJS.jpg","id":"3","issnPpub":"1001-3660","publisherId":"BMJS","title":"表面技术 "},"keywords":[{"id":"b825b66b-2408-40dc-b41a-cd25831053fd","keyword":"外加电流阴极保护","originalKeyword":"外加电流阴极保护"},{"id":"228b9fb0-9fc8-4335-9d09-f1a775b36bcd","keyword":"杂散电流","originalKeyword":"杂散电流"},{"id":"b87e8d16-2aa4-4dfc-b1b1-a83b35d73992","keyword":"海底管道","originalKeyword":"海底管道"},{"id":"bdebbf1d-62a5-4abd-bba8-c57133a4a8b6","keyword":"电化学腐蚀","originalKeyword":"电化学腐蚀"},{"id":"ea05de3f-c14c-454f-bfa4-91d62a5c6343","keyword":"边界元法","originalKeyword":"边界元法"},{"id":"97ebd30f-5450-47f1-824b-3fe5c77f0328","keyword":"保护电位","originalKeyword":"保护电位"}],"language":"zh","publisherId":"bmjs201605010","title":"杂散电流对海底管道表面电位影响预测方法研究","volume":"45","year":"2016"},{"abstractinfo":"依据NACE-SP0176-2007规范,在外加电流阴极保护系统中,辅助阳极与结构物表面的距离不小于1.5m,否则需要采用屏蔽层以防止过保护.在导管架外加电流阴极保护系统中,辅助阳极与导管架结构表面之间的距离是一个重要的参数,对阳极屏的使用与否有直接影响,也间接对阴极保护系统的造价和运行方案产生影响.通过阴极保护数值模拟计算技术,改变辅助阳极与导管架之间的距离,得到在无阳极屏蔽层并且不发生过保护的前提下,辅助阳极可以释放的最大电流,并通过实海试验予以了验证.数值模拟与试验结果均表明,针对辅助阳极与结构表面之间的不同距离条件控制辅助阳极的最大释放电流,不仅可以避免使用阳极屏蔽层带来一系列工程问题,而且能够为导管架外加电流阴极保护系统的优化设计提供重要依据.","authors":[{"authorName":"常炜","id":"646d5202-e3e1-4584-ab08-87bf8ead6896","originalAuthorName":"常炜"},{"authorName":"孙荣","id":"cac871c2-01f8-4fcf-bda0-087ab4e4d7cd","originalAuthorName":"孙荣"},{"authorName":"于湉","id":"fd978ecd-6824-48ce-aa8e-aadeb75348fd","originalAuthorName":"于湉"},{"authorName":"宋世德","id":"11921bf4-5b19-43be-89a7-103c167c82b4","originalAuthorName":"宋世德"},{"authorName":"黄一","id":"2574c4d0-3c67-4ec4-b862-d69f1e237005","originalAuthorName":"黄一"}],"doi":"10.11973/fsyfh-201510017","fpage":"982","id":"b4e8f52b-58da-40ec-9de0-3b2bc5f8b72c","issue":"10","journal":{"abbrevTitle":"FSYFH","coverImgSrc":"journal/img/cover/FSYFH.jpg","id":"25","issnPpub":"1005-748X","publisherId":"FSYFH","title":"腐蚀与防护"},"keywords":[{"id":"4cae5a2f-4e6a-4dd1-9b71-913f07a87784","keyword":"外加电流阴极保护","originalKeyword":"外加电流阴极保护"},{"id":"27e3ae8e-de65-410f-8fa7-1788edf395f3","keyword":"阳极屏蔽层","originalKeyword":"阳极屏蔽层"},{"id":"57fd51cb-afd0-4dd4-a501-8085bfc41f8d","keyword":"保护距离","originalKeyword":"保护距离"},{"id":"9821e1f7-7c24-4b91-8e72-5942135fa8cb","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"fsyfh201510017","title":"导管架外加电流阴极保护系统无阳极屏蔽层的可行性研究","volume":"36","year":"2015"},{"abstractinfo":"在全寿命期内,铺管船水下结构腐蚀防护状态处于动态过程.因此,依据实际情况设计腐蚀防护方案十分必要.采用数值模拟计算方法预报腐蚀防护状态,并通过缩比模型试验验证了此方法的准确性.在此基础上设计了两种腐蚀防护方案:\"单纯外加电流阴极保护\"和\"外加电流+牺牲阳极辅助的联合阴极保护\".并通过数值模拟计算预报了两种方案下的腐蚀防护状态.经过对比发现,使用\"外加电流+牺牲阳极辅助的联合阴极保护\"时,表面电位分布更均匀,阳极屏面积及电源功率都有较明显的减小,水下结构处于更为良好的腐蚀防护状态.","authors":[{"authorName":"杨璐嘉","id":"da0c0d95-b35a-4b3a-95af-de18c85f6133","originalAuthorName":"杨璐嘉"},{"authorName":"钟文军","id":"e8754401-e57f-4cf1-ba88-6a712097654c","originalAuthorName":"钟文军"},{"authorName":"曹亚洲","id":"d8820291-0f6e-4436-a0d2-54cd985cc62c","originalAuthorName":"曹亚洲"},{"authorName":"刘福国","id":"595d4b89-80d8-435f-beed-93e3baa9b1cd","originalAuthorName":"刘福国"},{"authorName":"宋世德","id":"c23cb13c-c850-4a55-8d0f-57a9bae586ce","originalAuthorName":"宋世德"},{"authorName":"黄一","id":"77bcaef3-c35b-471c-8c37-b7cb9f822733","originalAuthorName":"黄一"}],"doi":"10.11973/fsyfh-201511013","fpage":"1072","id":"bece937a-249c-4298-9520-0c7a4b6cffea","issue":"11","journal":{"abbrevTitle":"FSYFH","coverImgSrc":"journal/img/cover/FSYFH.jpg","id":"25","issnPpub":"1005-748X","publisherId":"FSYFH","title":"腐蚀与防护"},"keywords":[{"id":"c4a33479-5402-4340-b697-011f345a1e15","keyword":"数值模拟","originalKeyword":"数值模拟"},{"id":"9c0b24b1-04c7-4b77-aa7f-186d105481ea","keyword":"阴极保护","originalKeyword":"阴极保护"},{"id":"6c4610b2-4c1c-4bd4-9612-8a898770c4af","keyword":"缩比模型试验","originalKeyword":"缩比模型试验"},{"id":"17c2cdf4-f1c8-4abf-96f0-8e526f2b8f6b","keyword":"外加电流","originalKeyword":"外加电流"},{"id":"ea93e359-0f55-4f65-90af-eb1b9f26c62b","keyword":"牺牲阳极","originalKeyword":"牺牲阳极"}],"language":"zh","publisherId":"fsyfh201511013","title":"基于数值模拟计算的铺管船阴极保护系统设计","volume":"36","year":"2015"},{"abstractinfo":"针对深水铺管起重船提出了一种基于数值模拟计算的腐蚀防护状态评估方法.该方法首先利用数值模拟计算形成腐蚀防护状态评估矩阵,然后用水下结构外表面监测点的电位以及腐蚀防护状态评估矩阵对水下结构整体腐蚀防护状态进行评估,并通过三维可视化方法显示保护电位分布云图;在试验室条件下通过缩比模型试验对此方法进行了验证.结果表明:基于数值模拟计算的腐蚀防护状态评估方法可以准确评估水下结构外表面的腐蚀防护状态;同时可以通过三维保护电位分布云图直观地显示半潜铺管船腐蚀防护的薄弱区域.","authors":[{"authorName":"杨璐嘉","id":"6731511f-e332-4993-9911-94156ad2ce28","originalAuthorName":"杨璐嘉"},{"authorName":"钟文军","id":"920a749e-601e-4fca-bba1-b5220f4bf56e","originalAuthorName":"钟文军"},{"authorName":"曹亚洲","id":"8c90a1ad-bf7e-4d6e-b6ee-4ba93dcc898f","originalAuthorName":"曹亚洲"},{"authorName":"刘福国","id":"3978be72-e087-430e-aebd-57a27d67ab0c","originalAuthorName":"刘福国"},{"authorName":"宋世德","id":"a5d40c17-43a4-44fc-855c-7f2b2a489458","originalAuthorName":"宋世德"},{"authorName":"黄一","id":"3f8520f5-fe06-42f2-ba8d-692c986a5471","originalAuthorName":"黄一"}],"doi":"10.11973/fsyfh-201604013","fpage":"331","id":"57654600-f31d-4fe1-b720-9550bbaf887a","issue":"4","journal":{"abbrevTitle":"FSYFH","coverImgSrc":"journal/img/cover/FSYFH.jpg","id":"25","issnPpub":"1005-748X","publisherId":"FSYFH","title":"腐蚀与防护"},"keywords":[{"id":"b9d431af-dfad-4051-9348-5d6dd2bec296","keyword":"腐蚀防护","originalKeyword":"腐蚀防护"},{"id":"fc4a2d24-0efe-4b38-9e63-c37cd243e021","keyword":"腐蚀评估","originalKeyword":"腐蚀评估"},{"id":"04d46c5e-5527-43d7-94a6-8170562c731f","keyword":"数值模拟","originalKeyword":"数值模拟"},{"id":"496a13b3-244e-427a-9940-2314e4fdfa6b","keyword":"阴极保护","originalKeyword":"阴极保护"}],"language":"zh","publisherId":"fsyfh201604013","title":"基于数值模拟计算的腐蚀防护状态评估方法","volume":"37","year":"2016"},{"abstractinfo":"宋钧官瓷作为中国钧瓷领域中的最高水平,它不仅仅是唐钧瓷釉和早期宋钧瓷釉的扩展和延续,更是一个时代的创造.在给世人留下宝贵财富的同时,也留下一些需待解决的问题.诸如,菟丝纹、蚯蚓走泥纹的产生原因,乳光、分相、窑变的形成机理等等,是本文探讨的主要问题.本文在研究唐钧花釉、宋代天青、天蓝釉的基础上,采用了当地及周边地域原料,并分别采用了现代及传统的制作工艺以及柴烧、煤烧和气烧的烧成方法最终成功烧制出完美的宋钧官瓷艺术效果.实验结果表明,利用当地及周边地域原料和不同的制作工艺,采用不同的烧成方式恢复钧官瓷釉的艺术效果是切实可行的,通过实验证实了钧官瓷釉不同特征的形成原因与工艺过程的相应关系,为钧官瓷的进一步研究提供了可借鉴的科学依据,并从不同角度论述了钧官瓷菟丝纹、蚯蚓走泥纹的形成原理及其乳光、分相、窑变的形成原因及相关问题.","authors":[{"authorName":"张义","id":"909d4353-1cd0-4eee-a44b-3ec77b34500d","originalAuthorName":"张义"},{"authorName":"宁建新","id":"9a0f77bd-2260-4c1b-bde8-80b3290c1f04","originalAuthorName":"宁建新"},{"authorName":"王洪伟","id":"43a25014-afc3-4461-a428-ea03eee7d0d2","originalAuthorName":"王洪伟"},{"authorName":"孙晓岗","id":"0401d67c-3dbd-4010-9516-ba9a9b368e97","originalAuthorName":"孙晓岗"}],"doi":"","fpage":"1580","id":"f8c4c852-1c5a-4313-976c-cafa12ebc6fd","issue":"6","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"0aa1d7a6-7395-435b-9181-1b28805d06d6","keyword":"钧官瓷","originalKeyword":"钧官瓷"},{"id":"0b13b908-8d98-452b-b15e-ca0566602fe5","keyword":"菟丝纹","originalKeyword":"菟丝纹"},{"id":"4e16e888-70a0-45d2-8f77-0129b5c5c850","keyword":"蚯蚓走泥纹","originalKeyword":"蚯蚓走泥纹"},{"id":"e127e381-fb75-4815-a63c-728d5fc1a78d","keyword":"分相","originalKeyword":"分相"},{"id":"c4d7fc92-502c-4e58-9eaf-04931ed8f0e1","keyword":"乳光","originalKeyword":"乳光"}],"language":"zh","publisherId":"gsytb201206048","title":"中国宋钧官瓷釉的实验与研究","volume":"31","year":"2012"},{"abstractinfo":"宋家沟金矿床位于胶莱盆地东北缘,牟平—即墨断裂带内,控矿构造为陡倾断裂和裂隙密集带,赋矿围岩为莱阳群的灰白色砾岩,共出露4个矿体. 对区内主成矿阶段石英中的流体包裹体进行了岩相学、显微测温及单个包裹体成分激光拉曼光谱分析. 研究表明,矿石中的包裹体主要有纯CO2包裹体、气液二相包裹体和含CO2三相包裹体3种类型;矿石中的包裹体普遍富含CO2 ,成矿流体为CO2 -NaCl -H2 O 体系,成矿流体具有低盐度(5.0 %~14.42 %)、低密度(0.64 ~0.96 g/cm3 )的特点. 主成矿温度集中在220~240 ℃,成矿压力范围为40~62 MPa,对应的成矿深度为5 .01~6 .34 km. 结合前人研究的流体包裹体氢氧同位素分析认为,宋家沟金矿床的成矿流体以幔源流体为主,后期有少量的岩浆流体参与. 确定其矿床成因类型为受陡倾断裂和裂隙密集带联合控制的中温热液脉型金矿床.","authors":[{"authorName":"王铎融","id":"57db05a3-f351-4858-a91f-dc5e55d76d91","originalAuthorName":"王铎融"},{"authorName":"王力","id":"6ae5d5ab-dc31-4d55-b277-66c26e917c3e","originalAuthorName":"王力"},{"authorName":"陈扬","id":"b51e2de7-08f0-4113-9bb3-bf03d3fefde3","originalAuthorName":"陈扬"}],"doi":"10.11792/hj20150506","fpage":"21","id":"d6faaeb1-ea85-4d3e-8b4e-f2c5112bb635","issue":"5","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"9677e386-9d38-41b1-b464-5fb2c9f59529","keyword":"流体包裹体","originalKeyword":"流体包裹体"},{"id":"2714d8e0-3e4e-4c95-9799-2de2bf03eb4c","keyword":"矿床成因","originalKeyword":"矿床成因"},{"id":"d5357e7b-0f4c-4361-9eba-171958c313fa","keyword":"宋家沟金矿床","originalKeyword":"宋家沟金矿床"},{"id":"538316f1-7869-438a-b887-682bb8771dd3","keyword":"山东牟平","originalKeyword":"山东牟平"},{"id":"6798c4a0-d1d0-492a-bf71-fb99d7ce85ce","keyword":"胶莱盆地","originalKeyword":"胶莱盆地"}],"language":"zh","publisherId":"huangj201505006","title":"山东牟平宋家沟金矿床流体包裹体研究","volume":"36","year":"2015"},{"abstractinfo":"宋家沟金矿床位于山东省牟平,为胶莱盆地中发现的颇具工业规模的金矿床.含矿地层为下白垩统莱阳群下段砾岩,矿床由多个矿体组成,矿石为含金砾岩.含矿地层富金(Au=100.2×10-9).围岩矿石稀土总量232.87×10-6~352.2×10-6,LREE/HREE=1.88~12.71,稀土元素分布模式相似、同步.含矿地层是矿源层,燕山晚期(110~125Ma)构造岩浆活动导致该矿床形成定位,该矿床为沉积改造层控矿床.南地口、大崮头是此类矿床的新的找矿地段.","authors":[{"authorName":"张竹如","id":"6cf30b8d-d9ff-4426-9aa7-5675fbac8f07","originalAuthorName":"张竹如"},{"authorName":"唐波","id":"6192e8e9-037f-4f13-8945-3e83050e2c13","originalAuthorName":"唐波"},{"authorName":"聂爱国","id":"d12eb366-0068-4670-90ec-aaa6a418d49e","originalAuthorName":"聂爱国"},{"authorName":"李明琴","id":"d94f6b0c-4dc5-48f7-8b29-28597a76ee89","originalAuthorName":"李明琴"}],"doi":"10.3969/j.issn.1001-1277.2001.07.001","fpage":"1","id":"39b0ce24-99cf-46a0-8349-681635319935","issue":"7","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"a8a75b24-78aa-456b-9ef9-d2733c1418ce","keyword":"宋家沟金矿","originalKeyword":"宋家沟金矿"},{"id":"fde93d52-1bdf-479b-b2c9-bf65c404a974","keyword":"胶莱盆地","originalKeyword":"胶莱盆地"},{"id":"f41fbe9e-7dff-40f0-8f62-421df075703e","keyword":"含金砾岩","originalKeyword":"含金砾岩"},{"id":"c2d4dbe7-3f51-446a-aafa-b42febdd9686","keyword":"稀土配分","originalKeyword":"稀土配分"},{"id":"4a07d8e5-7a61-44bb-8985-1f6b2140d9c4","keyword":"改造成矿","originalKeyword":"改造成矿"},{"id":"d6aa28a7-2f0a-4391-ace4-44ae4bfc8c53","keyword":"层控矿床","originalKeyword":"层控矿床"}],"language":"zh","publisherId":"huangj200107001","title":"山东省牟平宋家沟金矿床地质特征","volume":"22","year":"2001"},{"abstractinfo":"","authors":[{"authorName":"林昆勇","id":"125c9b8d-d115-4a18-83c5-e7fb6db76372","originalAuthorName":"林昆勇"}],"doi":"10.3969/j.issn.1000-6826.2008.05.026","fpage":"63","id":"4d32e81a-4290-4950-8281-71be62c203fb","issue":"5","journal":{"abbrevTitle":"JSSJ","coverImgSrc":"journal/img/cover/3abe017a-2574-4821-8152-4ae974ef0471.jpg","id":"47","issnPpub":"1000-6826","publisherId":"JSSJ","title":"金属世界"},"keywords":[{"id":"77990c78-4472-4cd7-a01c-b9b6493da031","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"jssj200805026","title":"明代宋应星《天工开物》记载广西产锡及其意义——我国锡矿资源的供给保障与开发战略研究之一","volume":"","year":"2008"},{"abstractinfo":"","authors":[],"doi":"","fpage":"52","id":"88d02802-635f-4302-a930-1eaf14ab619c","issue":"5","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"b4d21286-b321-460c-96a5-1ee920b4d33a","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"huangj200905017","title":"中国共产党中国黄金集团公司第二次代表大会在北京召开创新党建工作推动公司科学发展大会选举产生公司新一届党的委员会和纪律检查委员会孙兆学当选党委书记宋权礼当选党委副书记、纪委书记","volume":"30","year":"2009"},{"abstractinfo":"用仪器中子活化分析研究了陕西立地坡明代地层和陕西西岳庙宋、元、明、清早期、清晚期4个地层出土的古琉璃胎中的主量和微量元素, 并对实验数据进行多元统计分析.结果表明, 陕西西岳庙从宋到清早期古琉璃胎料很稳定, 其原料可能来自本地; 清晚期古琉璃胎料与宋到清早期的古琉璃之间存在明显的区别, 明代3个样品和清晚期的古琉璃制造原料与立地坡出土的古琉璃其成分相近, 西岳庙清晚期的古琉璃可能来自陕西立地坡窑烧制.","authors":[{"authorName":"程琳","id":"346d8ac0-f1f3-4288-8b83-cf846cdeae3b","originalAuthorName":"程琳"},{"authorName":"冯松林","id":"b5f2de6e-5095-40a4-9ef0-c714b975666b","originalAuthorName":"冯松林"},{"authorName":"吕智荣","id":"ca7086b8-3f39-4955-92c9-57156131d841","originalAuthorName":"吕智荣"}],"doi":"10.3969/j.issn.1007-4627.2005.01.041","fpage":"135","id":"b97de8ad-7714-4b41-a397-cb49135e51aa","issue":"1","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":"4a654b0f-0a63-4416-a372-c4326f0153b5","keyword":"古琉璃","originalKeyword":"古琉璃"},{"id":"76f6e7fb-9a67-426e-8669-a147b5ac107d","keyword":"仪器中子活化分析","originalKeyword":"仪器中子活化分析"},{"id":"1ba93e9f-2f8e-4cdf-89f0-e04dfd3b1766","keyword":"多元统计分析","originalKeyword":"多元统计分析"}],"language":"zh","publisherId":"yzhwlpl200501041","title":"陕西西岳庙古琉璃胎料来源的INAA研究及多元统计分析","volume":"22","year":"2005"}],"totalpage":2,"totalrecord":14}