{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"用透射电镜、Auger能谱,X射线和Mossbauer等方法研究了烧结NdFeB永磁材料在90℃潮湿空气中的氧化行为。结果表明,黑色氧化组织先在富Nd晶界相处形成。沿晶界深入和扩展进入基体相Nd_2Fe_(14)B晶粒,形成表面氧化层。黑色组织内富O和Nd而贫Fe。经500h氧化后,粉末组成仍以Nd_2Fe_(14)B粒子为主,余为Fe_3O_4,Nd_2O_3和少量a-Fe_2O_3,立方Fe_2O_3。经氧化的Nd_2Fe_(14)B相四方晶格内Fe原子分布发生变化,c晶位Fe原子大部分逸失,这是氧化导致材料磁化强度降低的重要原因。","authors":[{"authorName":"华宏慈","id":"35ea8af1-136d-4cde-a6b9-cf153a0fba92","originalAuthorName":"华宏慈"},{"authorName":"王葛亚","id":"2baa33d1-2bb6-4ae8-8e93-c447c84cc970","originalAuthorName":"王葛亚"},{"authorName":"","id":"a079b39a-712f-4996-98ae-bd532c5b591e","originalAuthorName":"徐庆镇"},{"authorName":"金慧娟","id":"22e45d88-f5b7-4615-958a-31254b6fa32f","originalAuthorName":"金慧娟"},{"authorName":"许桂琴","id":"1bf9ee53-d7b6-406f-8ab9-744ef101c9e8","originalAuthorName":"许桂琴"}],"categoryName":"|","doi":"","fpage":"141","id":"92b16922-fdbe-457e-b188-586246f4ad15","issue":"1","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"20e3b004-4167-48b0-aeba-cf007fbf8f9a","keyword":"NdFeB永磁","originalKeyword":"NdFeB永磁"},{"id":"fd69869a-0055-4c74-823a-15b0a8dca4fc","keyword":"oxidation","originalKeyword":"oxidation"},{"id":"7cc9c204-64f9-4d2d-b62a-7b25747c99a8","keyword":"corrosion","originalKeyword":"corrosion"},{"id":"fc984569-3eb0-4b65-9302-f1d3ec1c3558","keyword":"Nd_2Fe_(14)B","originalKeyword":"Nd_2Fe_(14)B"},{"id":"eaa3ff15-a1b9-43de-9247-9963647a553e","keyword":"Nd-rich","originalKeyword":"Nd-rich"}],"language":"zh","publisherId":"0412-1961_1991_1_6","title":"NdFeB永磁材料氧化行为的研究","volume":"27","year":"1991"},{"abstractinfo":"透射电镜观察到非晶Fe65Cr18Mo2Si1B14和Fe62Cr18Mo2Si1B17基体中分布着纳米级颗粒状的非晶第二相.磁测量与Mossbauer谱显示非晶样品由少量铁磁相与顺磁基体相组成,并表现出单畴颗粒的高矫顽力.快淬过程中早期过冷液体里硼的偏聚导致非晶合金中非晶第二相的形成及脆化.","authors":[{"authorName":"林一坚","id":"648b0a87-ca8d-4c9e-9cd8-3f27df5edf37","originalAuthorName":"林一坚"},{"authorName":"金慧娟","id":"e55d3bd9-809e-4710-98cf-de5d4d6e787f","originalAuthorName":"金慧娟"},{"authorName":"梅文余","id":"5f4cf37d-aca4-49c6-ada1-74d1c910323f","originalAuthorName":"梅文余"},{"authorName":"许桂琴","id":"da79fe60-b633-4d4b-a3db-a32e5bdfb159","originalAuthorName":"许桂琴"},{"authorName":"","id":"742649f0-ff53-440c-8e4e-4d981d547dda","originalAuthorName":"徐庆镇"}],"categoryName":"|","doi":"","fpage":"874","id":"abd5c32c-7584-4c0b-baa3-55d663521134","issue":"8","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"a29a4793-a630-4c9a-9260-729df5fb56f6","keyword":"Fe-Cr-Mo-Si-B非晶合金","originalKeyword":"Fe-Cr-Mo-Si-B非晶合金"},{"id":"d6b15ff7-2f2b-4721-939a-a7c3ecfe0717","keyword":" amorphous alloy","originalKeyword":" amorphous alloy"},{"id":"257165bd-e0e0-42dc-a387-a99d7f579f95","keyword":" phase separation","originalKeyword":" phase separation"}],"language":"zh","publisherId":"0412-1961_1997_8_7","title":"快淬Fe-Cr-Mo-Si-B非晶合金中的相分离","volume":"33","year":"1997"},{"abstractinfo":"单轴、双轴和三轴变试验结果表明,混凝土的变与弹性变形一样具有空间特性,但根据单轴变试验得到的变系数、变泊松比以及采用叠加原理计算的双轴、三轴应力状态下的空间变与实际情况存在较大偏差.为了准确计算不同应力状态下混凝土的空间变,介绍了应力组合对有效变泊松比的影响和基于有效变泊松比的空间变计算方法.另外,根据应力张量的弹性力学意义,引入了球应力变系数(ψ)m和偏应力变系数(ψ) d,提出了基于这两个变系数的空间变计算统一表达式,可计算混凝土在单轴、双轴和三轴等不同应力状态下的空间变.","authors":[{"authorName":"黄胜前","id":"f60fe1e8-6699-466b-8f2e-355e391d0c51","originalAuthorName":"黄胜前"},{"authorName":"杨永清","id":"0ad9d4be-4c12-4497-a380-8dee2c8f7ad4","originalAuthorName":"杨永清"},{"authorName":"李晓斌","id":"a5e2e801-c9b9-4f4b-886e-c62ae3c23491","originalAuthorName":"李晓斌"},{"authorName":"陈志伟","id":"db16b3f8-4c53-49d7-bdd3-f6cf5f2247c1","originalAuthorName":"陈志伟"}],"doi":"","fpage":"150","id":"77593762-6ffb-4cfa-913f-f64ffef2186c","issue":"2","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"69ea1570-d4c9-437e-bfef-97ae77a244a5","keyword":"混凝土","originalKeyword":"混凝土"},{"id":"9785e9c9-1fc1-4ea3-ab52-a37f97e3f32e","keyword":"单轴","originalKeyword":"单轴"},{"id":"4565bb1b-db4a-4cd3-8595-f4cc47900c42","keyword":"双轴","originalKeyword":"双轴"},{"id":"59877901-b9f9-4bd2-a23d-bca130502b51","keyword":"三轴","originalKeyword":"三轴"},{"id":"375cdb53-1ae1-4106-b024-cece1bb5b8eb","keyword":"应力状态","originalKeyword":"应力状态"},{"id":"2edbc816-e655-4662-9602-f0529134d608","keyword":"空间变","originalKeyword":"空间徐变"}],"language":"zh","publisherId":"cldb201302040","title":"不同应力状态下混凝土空间变的统一表达式","volume":"27","year":"2013"},{"abstractinfo":"为了研究不同配合比设计方法对再生混凝土长期变性能的影响,分别采用等体积砂浆法(EMV法)与传统替代法配制再生混凝土,测试各组再生混凝土试件28 d龄期后自然条件下持荷的变形值和相同试验条件下试件的收缩值,并计算各组试件的变度.研究结果表明:两种方法配制的再生混凝土的收缩变变化规律与对比普通混凝土相似.EMV法可有效改善再生混凝土的变性能,具有较低的变度.","authors":[{"authorName":"霍俊芳","id":"55188923-049c-49aa-994c-ac564398860f","originalAuthorName":"霍俊芳"},{"authorName":"李晨霞","id":"8fa10b03-f76b-44b4-97ee-bd67d36d407e","originalAuthorName":"李晨霞"},{"authorName":"侯永利","id":"83d612b7-ba2c-46d3-a2ff-d86f396b5f77","originalAuthorName":"侯永利"},{"authorName":"吕笑岩","id":"98dd9616-8bca-4990-9631-ef1c189dce52","originalAuthorName":"吕笑岩"}],"doi":"","fpage":"723","id":"dc2db04e-0a0c-4741-830f-d84f7a4e5aee","issue":"2","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"d2a7136a-24da-4dc5-b2c8-c753ce344b72","keyword":"再生混凝土","originalKeyword":"再生混凝土"},{"id":"46b36702-7dae-4dad-b1c2-1996ae105250","keyword":"配合比","originalKeyword":"配合比"},{"id":"69440820-bb2f-4272-abe2-bdc4edbd2d6e","keyword":"变","originalKeyword":"徐变"}],"language":"zh","publisherId":"gsytb201702054","title":"再生粗骨料混凝土收缩变性能试验","volume":"36","year":"2017"},{"abstractinfo":"本文回顾了清代中晚期后中国陶瓷技术从全盛走向停滞和西方近代陶瓷科学产生的历史,分析了近代陶瓷科学技术在景德传播的历程,界定了景德古陶瓷技术与其现代陶瓷技术的分界.指出:从清末到20世纪50年代,经过50余年的艰苦奋斗,近代陶瓷科学技术才在景德陶瓷业得以传播和推广应用;在这个历程中,一批近代陶瓷教育的先驱们起着巨大的作用;上世纪50年代政府设立的陶瓷科研机构和高等教育机构,才能真正使中国陶瓷技术传统转变为科学.","authors":[{"authorName":"郑乃章","id":"e33c774a-6a9d-4a68-9cd1-e9c3e9982843","originalAuthorName":"郑乃章"},{"authorName":"李原野","id":"6f4ea5b0-61b8-4bb1-b919-a30dc93dc078","originalAuthorName":"李原野"},{"authorName":"郑康妮","id":"99894d33-2381-49db-98fc-80b815801fb1","originalAuthorName":"郑康妮"},{"authorName":"莫云杰","id":"b56e8d8b-1d5c-45c0-b1ad-9285a73c805d","originalAuthorName":"莫云杰"},{"authorName":"苗立峰","id":"95018b9b-ca2a-4a4d-a72d-03bfa7cf652d","originalAuthorName":"苗立峰"}],"doi":"","fpage":"1092","id":"b7aea4be-715a-4731-a91d-8dfcde6a1ea1","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":"cb3ef955-ff09-4a60-ad27-9c8ac865792f","keyword":"近代陶瓷科学","originalKeyword":"近代陶瓷科学"},{"id":"cc367050-1525-472a-bb55-1ccc586ede72","keyword":"传播","originalKeyword":"传播"},{"id":"12116871-ed30-4a96-bcdc-3e37270b537e","keyword":"景德","originalKeyword":"景德镇"}],"language":"zh","publisherId":"gsytb201306019","title":"近代陶瓷科学技术在景德的传播","volume":"32","year":"2013"},{"abstractinfo":"本课题以景德明清以来低温黄釉样品为研究对象,采用电子探针-能谱组合、透射电镜等仪器对样品断面进行显微结构分析,研究了景德低温黄釉的显微结构演变情况,发现景德低温黄釉主要有黄釉下施底釉和黄釉下无底釉两大类,并进一步分析了底釉的存在对黄釉品质的影响情况.研究得出黄釉与底釉、胎的中间层所析出晶体主要为铅长石,白釉、底釉与胎中间层所析出晶体主要为钙长石;同时,还发现民国黄釉表面存在一层细小的烧绿石型黄色Pb2Fe0.5Sb1.5O6.5晶体.","authors":[{"authorName":"","id":"035d81a2-d4c2-4799-b60a-e5693f8e1e79","originalAuthorName":""},{"authorName":"孙加林","id":"ddbd70f4-c5fd-445a-bd3b-4dc4e271230f","originalAuthorName":"孙加林"},{"authorName":"","id":"7a7c9394-fdf1-4e58-b9fa-1989dac9001c","originalAuthorName":""},{"authorName":"吴隽","id":"edfd6e79-a2af-4f87-b24c-ea9188853adc","originalAuthorName":"吴隽"},{"authorName":"","id":"a5ec5a42-2675-4897-9cbe-88ddd5044684","originalAuthorName":""}],"doi":"","fpage":"981","id":"daea6ed6-63b1-4b51-9567-9761814c1c14","issue":"4","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"24c3d644-37fa-4261-ac37-75b98330cde8","keyword":"景德","originalKeyword":"景德镇"},{"id":"4d80284b-b621-4e0f-bc02-9d69345e88f9","keyword":"低温黄釉","originalKeyword":"低温黄釉"},{"id":"15409915-9b7d-43af-87c8-a10cc02535fb","keyword":"显微结构","originalKeyword":"显微结构"}],"language":"zh","publisherId":"rgjtxb98200804042","title":"景德明清以来低温黄釉的显微结构","volume":"37","year":"2008"},{"abstractinfo":"本文阐述了FRP应力松弛、变性能的研究意义,总结了国内外关于应力松弛、变性能的最新研究成果及主要影响因素,并探讨了应力松弛和变的计算模型,对未来FRP长期性能研究的发展方向做出了展望.","authors":[{"authorName":"李建辉","id":"0f7148fe-f8bb-4e01-9827-43b6d6088f0a","originalAuthorName":"李建辉"},{"authorName":"邓宗才","id":"734ba4b3-500c-4ca4-adda-8e3a09ca07b3","originalAuthorName":"邓宗才"}],"doi":"10.3969/j.issn.1003-0999.2007.03.016","fpage":"56","id":"59ffbb46-47b1-40d6-8ec4-254b9f0174de","issue":"3","journal":{"abbrevTitle":"BLGFHCL","coverImgSrc":"journal/img/cover/BLGFHCL.jpg","id":"6","issnPpub":"1003-0999","publisherId":"BLGFHCL","title":"玻璃钢/复合材料"},"keywords":[{"id":"3192da00-b6fe-4a92-a3fe-eec5f9cca17e","keyword":"FRP","originalKeyword":"FRP"},{"id":"812f44d9-8adc-47b7-95e7-d14c2fe8670d","keyword":"应力松弛","originalKeyword":"应力松弛"},{"id":"37e0f5f2-7caa-403e-96f9-d45fa60555ee","keyword":"变","originalKeyword":"徐变"},{"id":"290bc541-6726-480e-a116-34147a7cb2ae","keyword":"前景展望","originalKeyword":"前景展望"}],"language":"zh","publisherId":"blgfhcl200703016","title":"FRP应力松弛及变性能的研究近展","volume":"","year":"2007"},{"abstractinfo":"以景德地区低品位红土为主要原料制备出性能良好的紫砂泥浆,然后经注浆、干燥、烧成等工艺,得到效果良好的紫砂器.讨论了不同烧成温度对坯体吸水率、烧失量、烧成收缩和呈色的影响,采用XRD、XRF、SEM、EDS、色度分析等测试技术对红土的矿物组成、化学组成及烧成后紫砂瓷坯的晶相组成、显微结构及呈色等进行了表征.结果表明:景德低品位红土以石英、伊利石和白云母矿物为主;在1250℃烧成时坯体的吸水率最小,1280℃左右时坯体的收缩率、烧失率最大,其合适的烧成温度为1250℃左右;随烧成温度的提高,瓷坯由紫红→深紫红→红褐→灰褐色规律变化;制得紫砂瓷坯的主晶相为莫来石,同时还有部分残余石英相.","authors":[{"authorName":"黄钢","id":"c233d6c6-fff5-4e28-8ec8-93f6587d1be7","originalAuthorName":"黄钢"},{"authorName":"卢希龙","id":"5a3f26da-c214-416f-ab54-dc7f61b357e3","originalAuthorName":"卢希龙"},{"authorName":"曹春娥","id":"21d62bf5-adb8-4df0-b40a-f0676fbb7dd4","originalAuthorName":"曹春娥"},{"authorName":"秦立邦","id":"5a10ddb7-47c8-4d3a-b582-1ea85e8257f8","originalAuthorName":"秦立邦"},{"authorName":"曾信谦","id":"09cdb8b7-fe9c-4d9b-8c91-b99c5ba65105","originalAuthorName":"曾信谦"},{"authorName":"刘洋","id":"b9926c34-a586-42b0-8812-342144478493","originalAuthorName":"刘洋"}],"doi":"","fpage":"2968","id":"d67be779-ecfc-4e6e-8bf3-c036e42c27ef","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":"4a93f14f-a58a-430d-bb99-036844afe174","keyword":"红土","originalKeyword":"红土"},{"id":"f775e6d6-a56b-4855-9de6-7280b41a3035","keyword":"景德","originalKeyword":"景德镇"},{"id":"01351a0a-4623-4bf5-949d-5fcd08254397","keyword":"紫砂","originalKeyword":"紫砂"},{"id":"bc3b2178-42f9-48f6-be4c-f970607e47bd","keyword":"应用研究","originalKeyword":"应用研究"},{"id":"a03c67a2-c0be-4d6f-9be9-9499eaf5d249","keyword":"性能表征","originalKeyword":"性能表征"}],"language":"zh","publisherId":"gsytb201411036","title":"景德地区低品位红土作为紫砂原料的应用研究","volume":"33","year":"2014"},{"abstractinfo":"采用自制的变加载装置,研究了聚乙烯醇(PVA)纤维、双掺粉煤灰和矿渣以及减缩剂对7d等强度混凝土变性能的影响规律,结合与混凝土同水胶比浆体的化合结合水量分析了其影响机理.结果表明,混凝土变系数发展较快,加载100d左右趋于稳定;减缩剂和双掺矿物掺合料均明显降低了混凝土的变系数,以掺减缩剂效果更好,450d值仅为0.63,而PVA纤维增加了变系数;混凝土的变系数随浆体化学结合水量的增加而降低,60d早龄期浆体水化有利于降低变系数,450d后期水化产物对降低混凝土的变系数贡献不大.","authors":[{"authorName":"何智海","id":"d284a902-9f8e-4b08-94b4-bb64a0ab69a8","originalAuthorName":"何智海"},{"authorName":"钱春香","id":"0ffbbe0c-1b53-4782-aa33-1b1c9ed2432d","originalAuthorName":"钱春香"},{"authorName":"钱桂枫","id":"dd861e3b-72df-4e42-acc8-72f6bb385518","originalAuthorName":"钱桂枫"},{"authorName":"孟凡利","id":"28a07ab2-0d08-4d67-b8cb-ea65ad3f7ef0","originalAuthorName":"孟凡利"},{"authorName":"程飞","id":"8f433d59-aca3-4626-a346-16e01790b998","originalAuthorName":"程飞"},{"authorName":"高祥彪","id":"6c683991-a878-456e-ae60-df7fce0e0d8b","originalAuthorName":"高祥彪"},{"authorName":"庄园","id":"e0d49cad-3f8c-4544-8501-e47b67079e01","originalAuthorName":"庄园"}],"doi":"","fpage":"925","id":"012cf742-03f0-418f-88af-49ca86d1e1fb","issue":"5","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"7473f418-c202-45ab-81d0-4cf29e9e7c03","keyword":"混凝土","originalKeyword":"混凝土"},{"id":"48514fe2-20e4-4695-aa58-fea087a0e070","keyword":"变系数","originalKeyword":"徐变系数"},{"id":"67a4ff0b-a8af-44ec-bfc8-714b1c72b529","keyword":"化学结合水","originalKeyword":"化学结合水"},{"id":"76f5dbf7-811b-463b-8ed6-5e1d515f895b","keyword":"减缩剂","originalKeyword":"减缩剂"},{"id":"5ea7a23a-4846-468e-a494-01c352107864","keyword":"等强度","originalKeyword":"等强度"}],"language":"zh","publisherId":"gncl201105040","title":"等强度下混凝土组分对变性能的影响","volume":"42","year":"2011"},{"abstractinfo":"采用自制的变加载装置,研究了萘系减水剂、聚羧酸减水剂以缓凝组分、减缩组分对等配合比混凝土变的影响规律,结合与混凝土同水灰比浆体非可蒸发水含量及混凝土内部相对湿度演化分析了其影响机理.结果表明,相比萘系减水剂,聚羧酸减水剂能显著降低混凝土的变,其中以早强型聚羧酸减水剂的效果最好;减缩剂对混凝土的变有降低作用,缓凝组分的掺入对变有不利影响;聚羧酸减水剂和减缩组分能通过降低混凝土内部水分传输和向外界扩散来降低变;早强型聚羧酸使浆体具有较多的水化产物数量,对强度的增加和变的降低有一定好处,缓凝组分的掺入会延缓水化并减少总水化产物数量,降低强度,使变增加.","authors":[{"authorName":"张异","id":"ec340278-6d5c-4d88-99cd-92ecbf14c3de","originalAuthorName":"张异"},{"authorName":"钱春香","id":"6283fdf1-1e86-4f95-9386-4d0f621336ae","originalAuthorName":"钱春香"},{"authorName":"赵飞","id":"c2e62026-2cba-44d3-98ea-9c4bea97ae2a","originalAuthorName":"赵飞"},{"authorName":"何智海","id":"e248a81c-0309-4f52-948c-33abefbfdb85","originalAuthorName":"何智海"},{"authorName":"曲军","id":"8ffd3667-7c95-4a2c-8af6-473aba7b8aff","originalAuthorName":"曲军"},{"authorName":"郭景强","id":"bb3a41ea-646e-4070-aa43-4fa748725358","originalAuthorName":"郭景强"},{"authorName":"","id":"3c1baf9a-ef00-41d3-b730-79569cbe2b9d","originalAuthorName":""}],"doi":"10.3969/j.issn.1001-9731.2013.11.023","fpage":"1620","id":"d3cbe933-f50e-4134-ab17-c124ad18db38","issue":"11","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"66f7978b-6b62-4021-bd9e-469d3dde0824","keyword":"混凝土","originalKeyword":"混凝土"},{"id":"8efa8ed0-5daf-4d86-9e26-abc4fd830f4e","keyword":"变度","originalKeyword":"徐变度"},{"id":"5996e33b-b097-423e-8fbf-add299a3954b","keyword":"减水剂","originalKeyword":"减水剂"},{"id":"3c88bb35-44c2-4bbe-8948-58e858e7e724","keyword":"非可蒸发水","originalKeyword":"非可蒸发水"},{"id":"4ea69246-a041-47fb-b0a5-bf55e9a04887","keyword":"内部相对湿度","originalKeyword":"内部相对湿度"}],"language":"zh","publisherId":"gncl201311023","title":"化学外加剂对混凝土变的影响规律研究","volume":"44","year":"2013"}],"totalpage":11,"totalrecord":109}