{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":1,"startPagecode":1},"records":[{"abstractinfo":"从宏观和微观两方面对压印接头强度进行了研究,通过对压印连接拉伸过程动态模拟和在显微镜下观察到的裂纹形成的主要位置,分析了拉伸过程中裂纹的萌生、扩展直至整个压印接头颈部断裂的过程；对压印接头进行了显微组织分析,得出薄板经冲压后产生了加工硬化现象,接头强度得到提高.提出了预测压印接头最大破坏力的公式,对生产中模具的选取及样品强度的预测具有一定的指导意义.同时,对不同预成角度的压印连接试件进行了拉伸试验,得出0°压印接头能够承受的拉伸破坏力最大,且预成角越大,压印接头能承受的破坏力越小.","authors":[{"authorName":"郑俊超","id":"b53ec136-461d-4a72-9730-078fef373f90","originalAuthorName":"郑俊超"},{"authorName":"何晓聪","id":"7ddad1a2-c2a7-449d-b826-2b772c47e417","originalAuthorName":"何晓聪"},{"authorName":"唐勇","id":"50345bbb-23be-4249-95a1-9998f4f2510f","originalAuthorName":"唐勇"},{"authorName":"<span style=\"color:red\">窦</span><span style=\"color:red\">炜</span>","id":"49543989-876c-4d3e-bf4b-229d869b070b","originalAuthorName":"窦炜"}],"doi":"","fpage":"19","id":"b7c92030-3b31-4006-ad40-3d86a3165448","issue":"24","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"5a7db44f-99b6-4441-a275-b706692e67f7","keyword":"预成角压印接头","originalKeyword":"预成角压印接头"},{"id":"485d6f9e-856e-40a8-a6da-e0992f86f08d","keyword":"有限元分析","originalKeyword":"有限元分析"},{"id":"a5f6c92a-c12d-40bb-a1e9-5f83da52981a","keyword":"显微组织分析","originalKeyword":"显微组织分析"}],"language":"zh","publisherId":"cldb201224006","title":"压印接头力学分析及预成角对接头强度的影响研究","volume":"26","year":"2012"},{"abstractinfo":"探讨Sm(NO3)3亚慢性暴露对小鼠肝功能、肝脏组织结构、酶活的影响.ICR小鼠80只,雌雄各半,随机分成5组,分别自由饮用0,5,50,500,2000 mg·L-的Sm(NO3)3溶液90 d,测定小鼠肝功能指标及肝脏组织SOD,GSH-Px,CAT活力及MDA含量,肝脏光镜切片观察肝组织形态学的变化.结果显示60,90 d 2000 mg·L-1雌性组体重、雄性组肝脏脏器系数与对照组相比具有显著下降(P ＜0.05);2000 mg·L-1AST雌雄性组、ALT雄性组、Urea雌性组与对照相比具有显著升高(P＜0.05),ALB雄性组与对照相比显著降低(P＜0.05);GSH-PX活力5,50 mg·L-雄性组与对照组相比有极显著升高(P＜0.01),而500,2000 mg·L 1组雄性鼠有极显著和显著下降(P＜0.01,P＜0.05),SOD活力在500,2000 mg·L-1雌雄组与对照组相比有显著和极显著降低(P＜0.05,P＜0.01),MDA在50,500,2000 mg·L-1雌性组与对照相比有显著与极显著升高(P＜0.05,P＜0.01),CAT 500,2000 mg·L-1雄性组与对照组相比有显著降低(P＜0.05);500 mg·L 1组肝细胞肿大,胞质疏松,肝<span style=\"color:red\">窦</span>、中央静脉有狭窄,2000 mg·L-1细胞排列紊乱,细胞界限不清,部分肝<span style=\"color:red\">窦</span>狭小甚至完全闭塞,少数肝细胞有破裂现象.以上结果表明亚慢性Sm(NO3)3暴露可导致小鼠肝功能异常、肝组织结构损伤,并与暴露浓度、时间及性别相关;提示氧化损伤可能是亚慢性Sm(NO3)3暴露致小鼠肝脏毒性损伤的作用机制之一.","authors":[{"authorName":"阮琴","id":"651d07d3-d452-4050-87c7-731ea9073f94","originalAuthorName":"阮琴"},{"authorName":"申秀英","id":"a213434d-ceee-4382-96da-d1f49651f150","originalAuthorName":"申秀英"},{"authorName":"饶和平","id":"b45782d1-8554-4651-ad50-fb2068577407","originalAuthorName":"饶和平"},{"authorName":"王芳","id":"e7bea025-6642-45a0-adac-f7d682ebc70b","originalAuthorName":"王芳"},{"authorName":"郑绍成","id":"25d7f121-119f-48dd-88b5-c939e491448e","originalAuthorName":"郑绍成"},{"authorName":"徐晓虹","id":"3539b1ef-ea88-4018-84f8-157207fa4676","originalAuthorName":"徐晓虹"},{"authorName":"俞世钢","id":"d932bda2-76c8-45fb-bffb-950912db88c6","originalAuthorName":"俞世钢"},{"authorName":"姜科声","id":"f0f991e6-de9e-44da-bf14-0e14b903be45","originalAuthorName":"姜科声"}],"doi":"10.11785/S1000-4343.20170311","fpage":"383","id":"6d2bd9e6-00bb-4c13-9a35-511db6c81ac6","issue":"3","journal":{"abbrevTitle":"ZGXTXB","coverImgSrc":"journal/img/cover/ZGXTXB.jpg","id":"86","issnPpub":"1000-4343","publisherId":"ZGXTXB","title":"中国稀土学报"},"keywords":[{"id":"5946b124-5a6f-4ead-91c6-7d87272637bb","keyword":"Sm(NO3)3","originalKeyword":"Sm(NO3)3"},{"id":"b26526df-05ff-433a-a334-efa3c7fad019","keyword":"亚慢性暴露","originalKeyword":"亚慢性暴露"},{"id":"0f95dbb3-b5e1-43df-b366-6726aa6b9550","keyword":"肝功能","originalKeyword":"肝功能"},{"id":"1565192d-ae73-4131-92f1-83d008e3b9b6","keyword":"SOD","originalKeyword":"SOD"},{"id":"315f1581-5351-4576-9954-b0352065f6e0","keyword":"GSH-Px","originalKeyword":"GSH-Px"},{"id":"3caba57a-f368-4b1d-9edc-bfbed14c974c","keyword":"CAT","originalKeyword":"CAT"},{"id":"19fce69b-d895-41ad-9081-8a165d7cfff4","keyword":"MDA","originalKeyword":"MDA"},{"id":"ff0a62f1-e015-4481-b88e-7cb386bbe687","keyword":"肝组织结构","originalKeyword":"肝组织结构"}],"language":"zh","publisherId":"zgxtxb201703011","title":"亚慢性Sm(NO3)3暴露对小鼠肝脏的影响","volume":"35","year":"2017"}],"totalpage":1,"totalrecord":2}