{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"研究了掺镧锆锡钛酸铅反铁电陶瓷在单脉冲方波电压激励下的极化反转特性.分析了1Hz正弦交变电压和上升前沿约为1ns单脉冲方波电压激励下样品的电滞特征以及不同脉冲宽度下样品的极化反转行为.讨论了样品的反铁电-铁电相变时间.结果表明:单方波脉冲电压激励下,样品的正向开关电场增加,反向开关电场减小:样品完全极化反转所需时间为394ns,使样品开始极化反转的最小脉冲宽度在50～100ns之间.","authors":[{"authorName":"张琳丽","id":"d2699106-cc49-4787-95e9-decf20504e12","originalAuthorName":"张琳丽"},{"authorName":"徐卓","id":"acfe51d8-042c-4b2f-92c9-1e0366190f46","originalAuthorName":"徐卓"},{"authorName":"冯玉军","id":"f28fb18e-a467-4172-a47f-b29975992b3c","originalAuthorName":"冯玉军"},{"authorName":"<span style=\"color:red\">盛</span><span style=\"color:red\">兆</span><span style=\"color:red\">玄</span>","id":"bc6d5c68-47b9-4faa-9d41-943d3dc9ac86","originalAuthorName":"盛兆玄"}],"doi":"","fpage":"1264","id":"c9b3ff12-cea1-4f02-8787-f1c6f62134bd","issue":"7","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"79c48b3e-5bd8-4288-88a0-07fe1f48c131","keyword":"反铁电体","originalKeyword":"反铁电体"},{"id":"5c5bf438-26ff-42e2-bd36-2744d5b5a22f","keyword":"极化反转","originalKeyword":"极化反转"},{"id":"446f6786-eda4-4fd7-8f09-11aec5e3c919","keyword":"铁电阴极","originalKeyword":"铁电阴极"}],"language":"zh","publisherId":"xyjsclygc201107030","title":"快速单脉冲激励下反铁电PbLa(Zr,Sn,Ti)O3极化反转特性","volume":"40","year":"2011"},{"abstractinfo":"目的 首次对世界文化遗产——故宫大高<span style=\"color:red\">玄</span>殿古建筑群彩画颜料进行分析,以期为修缮前彩画颜料历史信息的提取、档案的建立,彩画制作年代的判断,彩画的修缮提供依据.方法 通过偏光显微镜(PLM)、扫描电子显微镜-能谱仪(SEM-EDS)、拉曼光谱仪(Raman)等手段对大高<span style=\"color:red\">玄</span>殿多层彩画的颜料样品进行综合分析测试.结果 得到树脂包覆多层颜料封样的剖面结构照片,偏光显微镜和SEM得到5个样品共12层颜料的颗粒形貌特征,通过SEM-EDS测得各颜料中的元素及含量,拉曼光谱测得颜料的谱峰位置信息.多种手段相互补充和佐证,综合得出多层彩画样品各层颜料成分.结论 彩画绿色颜料主要含有氯铜矿、孔雀石、橄榄铜矿、巴黎绿,蓝色颜料主要含有蓝铜矿和群青,红色颜料主要含有铁红、朱砂、铅丹,黑色颜料含有炭黑,白色颜料含有方解石.内层一般是传统颜料,而外层发现了合成群青、巴黎绿等近代颜料.","authors":[{"authorName":"雷中宾","id":"1b5fa261-16a0-449d-a3f6-04fc7e2d3671","originalAuthorName":"雷中宾"},{"authorName":"吴玉清","id":"e2215520-4a29-47bd-9ad3-1f302c4dda36","originalAuthorName":"吴玉清"},{"authorName":"张涛","id":"fc3ea23a-b606-4c5e-9004-204d55a5fd91","originalAuthorName":"张涛"},{"authorName":"王菊琳","id":"322c97d1-c75b-45ca-aeaf-72ef492e84f4","originalAuthorName":"王菊琳"}],"doi":"10.16490/j.cnki.issn.1001-3660.2017.02.002","fpage":"8","id":"b77e1ec5-e30b-49c2-97ff-ddba6ccb65e5","issue":"2","journal":{"abbrevTitle":"BMJS","coverImgSrc":"journal/img/cover/BMJS.jpg","id":"3","issnPpub":"1001-3660","publisherId":"BMJS","title":"表面技术   "},"keywords":[{"id":"552c7da6-6fdf-45b2-ae38-d217ae594f76","keyword":"故宫","originalKeyword":"故宫"},{"id":"65bca625-e6e7-464a-accf-cde0b25005ba","keyword":"大高<span style=\"color:red\">玄</span>殿","originalKeyword":"大高玄殿"},{"id":"745383ff-728d-4742-a505-debe8b69c01e","keyword":"古建筑","originalKeyword":"古建筑"},{"id":"e95d4066-c383-481e-888d-94c8ff69ac6e","keyword":"彩画","originalKeyword":"彩画"},{"id":"0b3df2f8-c297-4906-96a4-ca6794b9d54a","keyword":"颜料","originalKeyword":"颜料"},{"id":"b53aa6ae-3ef2-4fc9-97f7-ebfb3ad22ff0","keyword":"拉曼光谱","originalKeyword":"拉曼光谱"},{"id":"2d85c8bc-3e92-41cc-b601-390d92fdfbfa","keyword":"SEM-EDS","originalKeyword":"SEM-EDS"},{"id":"867b647a-11a4-48db-9974-b75f1c5e984b","keyword":"偏光显微镜","originalKeyword":"偏光显微镜"}],"language":"zh","publisherId":"bmjs201702002","title":"故宫大高<span style=\"color:red\">玄</span>殿古建筑群多层彩画颜料成分研究","volume":"46","year":"2017"},{"abstractinfo":"本文采用小波分析数据处理方法，分别对高速和低速单级轴流压气机旋转失速先<span style=\"color:red\">兆</span>的发生和发展过程进行了分析，结果发现两台压气机的旋转失速先<span style=\"color:red\">兆</span>都是由脉冲开始，随之出现频率逐渐阶跃的低频波，当阶跃频率到达失速频率时压气机进入失速。在高速实验台上发现这一现象的出现沿叶片通道方向由后向前延迟。","authors":[{"authorName":"程晓斌","id":"8361b473-b5c2-4fd2-acee-5c9a95cc40e5","originalAuthorName":"程晓斌"},{"authorName":"聂超群","id":"eccadbe7-a013-41ad-88f0-aa23b3ac8a83","originalAuthorName":"聂超群"},{"authorName":"陈静宜","id":"85f03606-37fa-4125-9f95-d35cca85d5df","originalAuthorName":"陈静宜"}],"doi":"","fpage":"29","id":"f2de23dc-c7b2-4027-98c7-757e5f043686","issue":"1","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"e3a69e3f-3d8f-4bc4-bd53-62dd67241a2a","keyword":"小波分析","originalKeyword":"小波分析"},{"id":"98930f7e-07fc-4a5f-841b-b95829797b9c","keyword":"旋转失速先<span style=\"color:red\">兆</span>","originalKeyword":"旋转失速先兆"},{"id":"55b7a877-ca7b-4405-b001-04352e890306","keyword":"压气机","originalKeyword":"压气机"}],"language":"zh","publisherId":"gcrwlxb200001008","title":"轴流压气机旋转失速先<span style=\"color:red\">兆</span>过程中-的频率阶跃现象","volume":"21","year":"2000"},{"abstractinfo":"拓宽轴流压气机稳定工作裕度及探索其流动失稳控制途径一直是内部流动研究的焦点。本文从前失速先<span style=\"color:red\">兆</span>检测机理入手,对前失速先<span style=\"color:red\">兆</span>与叶顶间隙泄漏流非定常性进行了关联性研究,发现了前失速先<span style=\"color:red\">兆</span>与叶顶间隙泄漏流非定常性有一定的关联性。在认识这类关联性的基础上,提出了基于前失速先<span style=\"color:red\">兆</span>捕捉的失稳控制途径,并结合DSP控制器构建扩稳控制方案,在低速轴流压气机上进行了实验验证。实验结果表明：采用叶顶喷气扩稳控制措施后,简化了原来复杂的控制机构,并为控制措施的实施预留了反馈控制时间,与原来的定常喷气控制措施相比有变工况自适应的优势。","authors":[{"authorName":"李继超","id":"c0bb284b-791a-4df4-b889-075560f9bf5f","originalAuthorName":"李继超"},{"authorName":"童志庭","id":"3218dec0-2cba-40b6-af60-9300f32712fe","originalAuthorName":"童志庭"},{"authorName":"林峰","id":"d721cad5-2483-4af1-b851-ebf6c805f029","originalAuthorName":"林峰"},{"authorName":"聂超群","id":"a35102ec-47e8-46cf-97e4-c259c7d1869b","originalAuthorName":"聂超群"}],"doi":"","fpage":"573","id":"1d1a1ea2-edfb-4002-8406-ce4d748259e3","issue":"4","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"c4b7cfe7-2f0e-41ee-8810-72d8862fbbe6","keyword":"前失速先<span style=\"color:red\">兆</span>","originalKeyword":"前失速先兆"},{"id":"0fcc3fe3-4220-42aa-98b2-af9b1d6a5620","keyword":"自相关分析","originalKeyword":"自相关分析"},{"id":"a667652b-fe54-4154-8f53-a6dbd5dfecbd","keyword":"概率统计","originalKeyword":"概率统计"},{"id":"953533e5-f7a0-4992-8c1e-18142a73b57d","keyword":"DSP","originalKeyword":"DSP"},{"id":"49b3ff76-c07f-4764-abb3-7dc7988e03ed","keyword":"叶顶喷气","originalKeyword":"叶顶喷气"}],"language":"zh","publisherId":"gcrwlxb201204008","title":"基于前失速先<span style=\"color:red\">兆</span>检测机理的叶顶喷气扩稳实验研究","volume":"33","year":"2012"},{"abstractinfo":"为了确定合适的钢包烘烤预热温度,以某钢厂90 t整体铝镁浇注料钢包为原型进行数值模拟,利用有限元分析软件ANSYS,采用间接耦合法进行计算,得出了不同烘烤预热温度工况下,钢包<span style=\"color:red\">盛</span>钢时的内衬温度变化及应力分布.结果表明:提高钢包预热温度可以降低钢包内衬的温升及钢液温降幅度,减小钢包内衬的温度梯度,减少内衬材料受热应力所引起的热震破坏,从而延长钢包使用寿命.综合考虑钢包内衬水分排除、节能及热应力分布等因素,钢包预热温度取1 173～1 273 K最佳;钢包底部的烘烤预热温度应提高到1 373 K.","authors":[{"authorName":"程本军","id":"829e34d1-6820-4a8a-a6a8-10d1112c551d","originalAuthorName":"程本军"},{"authorName":"李鹏飞","id":"2a8e9da3-0ad9-47c3-ac7c-ae266ffde77e","originalAuthorName":"李鹏飞"},{"authorName":"谭慎迁","id":"adfd2065-fc13-4fce-9386-0ca27c8e804c","originalAuthorName":"谭慎迁"},{"authorName":"赵启成","id":"215142d9-d0b7-423e-8a27-68daaf2064ea","originalAuthorName":"赵启成"}],"doi":"10.13228/j.boyuan.issn1001-0963.20140210","fpage":"39","id":"ef30bf02-3898-413d-af8e-fcba8a79edd3","issue":"9","journal":{"abbrevTitle":"GTYJ","coverImgSrc":"journal/img/cover/GTYJ.jpg","id":"29","issnPpub":"1001-1447","publisherId":"GTYJ","title":"钢铁研究"},"keywords":[{"id":"0d00fb7b-d45d-4f55-a451-37dba47303d6","keyword":"预热温度","originalKeyword":"预热温度"},{"id":"6494d672-1709-4c60-9e64-f18d89221ec0","keyword":"钢包","originalKeyword":"钢包"},{"id":"8af16716-0eea-40cb-bb9c-3e6a612266eb","keyword":"数值模拟","originalKeyword":"数值模拟"},{"id":"45403cc6-1ec6-4bc8-8440-80013c0285be","keyword":"应力分布","originalKeyword":"应力分布"}],"language":"zh","publisherId":"gtyjxb201509007","title":"预热温度对钢包<span style=\"color:red\">盛</span>钢时的内衬温度及应力影响","volume":"27","year":"2015"},{"abstractinfo":"主要介绍了朝阳百<span style=\"color:red\">盛</span>锆业有限公司的发展历程,展望了公司的发展前景,指出了公司的进步得益于创新和速度,提出了创一流企业,创一流产品,开拓创新,永无止境,服务社会,追求卓越的发展宗旨.","authors":[{"authorName":"刘远清","id":"46ee2a19-c6e5-4e29-bf27-b3c93c148163","originalAuthorName":"刘远清"},{"authorName":"陈炜","id":"c98e88cf-311d-4781-826a-254b65ff73a4","originalAuthorName":"陈炜"}],"doi":"10.3969/j.issn.1009-9964.2006.06.003","fpage":"6","id":"4009263d-0e79-4496-87b9-40275efc1d7f","issue":"6","journal":{"abbrevTitle":"TGYJZ","coverImgSrc":"journal/img/cover/TGYJZ.jpg","id":"60","issnPpub":"1009-9964","publisherId":"TGYJZ","title":"钛工业进展"},"keywords":[{"id":"739e9bcb-1529-4984-990f-ef51fa0d3d53","keyword":"海绵钛","originalKeyword":"海绵钛"},{"id":"dad74238-71cf-4eb9-9c13-de49c45c9adf","keyword":"钛","originalKeyword":"钛"},{"id":"465b7006-920e-4b7d-9e84-cf35a10c4af4","keyword":"海绵锆","originalKeyword":"海绵锆"}],"language":"zh","publisherId":"tgyjz200606003","title":"速度和创新决定一切——浅谈朝阳百<span style=\"color:red\">盛</span>锆业有限公司发展历程","volume":"23","year":"2006"},{"abstractinfo":"风力发电机组处于复杂的运行环境中,其部件载荷预测工作极为重要.本文主要介绍<span style=\"color:red\">兆</span>瓦级风力发电机叶片(以下简称叶片)的载荷来源、分类以及载荷计算方法,并以一款6MW碳纤维叶片为例,基于GH Blade软件计算叶片的极限载荷与等效疲劳载荷.","authors":[{"authorName":"庄恒东","id":"69bbd15c-f87b-46da-bfe2-b0511b48e478","originalAuthorName":"庄恒东"},{"authorName":"黄辉秀","id":"67014913-7c0b-45e1-9167-a0f9e0d0cdb5","originalAuthorName":"黄辉秀"},{"authorName":"徐阳","id":"081b07a3-4043-4c2a-aa11-9920e051863b","originalAuthorName":"徐阳"}],"doi":"","fpage":"37","id":"5b7d76ed-50ea-428b-a77f-2367380dd6e2","issue":"5","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":"4c108869-9356-4f5c-8a8b-da1915e05544","keyword":"风力发电机","originalKeyword":"风力发电机"},{"id":"81011543-4846-4bbe-adeb-cae51ea8bc86","keyword":"叶片","originalKeyword":"叶片"},{"id":"baa19d19-3374-41ef-afb2-648ede028e76","keyword":"载荷","originalKeyword":"载荷"},{"id":"1df008a6-d9df-42a2-80a9-0074947d07d0","keyword":"计算","originalKeyword":"计算"},{"id":"f082fa96-c21d-4ec9-b9cc-5a95d7d6f1d7","keyword":"GH Bladed","originalKeyword":"GH Bladed"}],"language":"zh","publisherId":"blgfhcl201405007","title":"<span style=\"color:red\">兆</span>瓦级风力发电机叶片载荷计算","volume":"","year":"2014"},{"abstractinfo":"本文采用连续小波变换的方法,对跨音离心压气机机壳壁面动态压力及叶片应变信号进行了时频分析.结果表明,在失速前的先<span style=\"color:red\">兆</span>阶段存在着两种特征截然不同的先<span style=\"color:red\">兆</span>成分,即连续增强成分和间断扰动成分.间断扰动成分和间断失速段的失速团具有相近的特性.压力信号中间断失速段的失速团频率比在连续失速段的失速团频率高,而叶片应力信号中则相反,并计算得出连续失速段的失速团比间断失速段的夫速团数目少.在间断失速段,压力信号的频率阶跃以及叶片应变信号的频率衰减现象,对应于扰动能量聚集而使失速团数目减少的过程.","authors":[{"authorName":"程晓斌","id":"9dff863a-d9ed-4379-8dbe-255383447ec3","originalAuthorName":"程晓斌"},{"authorName":"陈静宜","id":"987b64dd-c154-4576-b046-e1d48c2e1da0","originalAuthorName":"陈静宜"}],"doi":"","fpage":"289","id":"4b75dbbc-20d8-4af2-9f52-717fd2d338a0","issue":"3","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"c851f51a-acd5-42d3-abf6-58738e63e8ff","keyword":"旋转失速先<span style=\"color:red\">兆</span>","originalKeyword":"旋转失速先兆"},{"id":"21c8686e-e7a7-4a67-b889-43d55ead47d8","keyword":"小波变换","originalKeyword":"小波变换"},{"id":"c4c9f59e-dfe8-4a9c-90e5-4eade4ce4400","keyword":"时频分析","originalKeyword":"时频分析"},{"id":"7d5309b2-c4e2-469c-9a4b-348d020b1c4e","keyword":"离心压气机","originalKeyword":"离心压气机"}],"language":"zh","publisherId":"gcrwlxb200003007","title":"基于小波变换的离心压气机旋转失速先<span style=\"color:red\">兆</span>时频分析","volume":"21","year":"2000"},{"abstractinfo":"本文研究了不同SH标号NdFeB永磁体对一种<span style=\"color:red\">兆</span>瓦级风力发电机空载性能的影响.在不改变发电机结构尺寸的情况下,气隙磁密、定子齿磁密和定子轭磁密随磁体SH标号的增高而线性增加,但增加的幅度小于剩磁增加的幅度;工作点数值虽有极微小增加,但基本保持不变;同时输出电压随着磁体SH标号的增高而增加.若通过改变永磁体的用量达到输出电压为额定电压的目的,高标号永磁体的用量体积随之减少.","authors":[{"authorName":"刘华","id":"b5ba1d69-3d6f-4e03-aadd-8ff03dfb483a","originalAuthorName":"刘华"},{"authorName":"秦宏伟","id":"98ad5554-c6a8-4ab6-b60f-9126ba83f51c","originalAuthorName":"秦宏伟"},{"authorName":"胡季帆","id":"05511ffc-3216-4287-a461-8f3ad51cba8f","originalAuthorName":"胡季帆"},{"authorName":"王庆凯","id":"6bc5cd49-a27c-43ef-8e6c-c94efb39d6ee","originalAuthorName":"王庆凯"},{"authorName":"于永江","id":"32c913ac-c410-458d-a37a-2377636719a1","originalAuthorName":"于永江"}],"doi":"","fpage":"1","id":"01709cb8-62db-43e7-95bf-b49793f04aaf","issue":"6","journal":{"abbrevTitle":"JSGNCL","coverImgSrc":"journal/img/cover/JSGNCL.jpg","id":"46","issnPpub":"1005-8192","publisherId":"JSGNCL","title":"金属功能材料"},"keywords":[{"id":"1c3a4b7c-ca48-4512-b76f-990b4bd7f960","keyword":"永磁材料","originalKeyword":"永磁材料"},{"id":"eead696e-0182-4851-9f16-c2b99c5f9b51","keyword":"风力发电机","originalKeyword":"风力发电机"},{"id":"184d985a-ac4a-471d-8dd7-49df0dcff42f","keyword":"永磁体工作点","originalKeyword":"永磁体工作点"},{"id":"2dad6361-6440-4d77-b3ce-73a9164468b0","keyword":"磁路计算","originalKeyword":"磁路计算"}],"language":"zh","publisherId":"jsgncl201006001","title":"不同钕铁硼磁体对<span style=\"color:red\">兆</span>瓦级风力发电机空载磁路的影响","volume":"17","year":"2010"},{"abstractinfo":"导线绝缘层的过热以及由此发生的着火和燃烧是载人航天飞行器中引起火灾的主要原因.研究微重力下导线绝缘层的可燃性对于预防飞船中火灾的发生有重要意义.本文利用功能模拟的试验方法,研究了不同环境压力和导线通电电流下,导线线芯直径以及导线捆绑数量对绝缘层表面的平衡温度及升温速率的影响.研究结果为实践8号卫星搭载实验工况的选择提供了依据,同时对于导线绝缘层先期着火征<span style=\"color:red\">兆</span>研究有实际意义.","authors":[{"authorName":"孔文俊","id":"1ba0c4de-b0b4-40e9-ae5c-6fd093a6d7ef","originalAuthorName":"孔文俊"},{"authorName":"王宝瑞","id":"8fbfc356-c618-4cb5-b586-516183aa71be","originalAuthorName":"王宝瑞"},{"authorName":"劳世奇","id":"3883bc43-578a-48cf-8571-ba2e93bf213c","originalAuthorName":"劳世奇"}],"doi":"","fpage":"1047","id":"4e9cf46b-9d3d-4445-91e9-156a5f87a03a","issue":"6","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"f93bf2b6-d76e-41b2-bd35-ab11b120cf3d","keyword":"导线绝缘层","originalKeyword":"导线绝缘层"},{"id":"1a5642c2-5abd-4f65-b821-bec5ca1be1c4","keyword":"着火征<span style=\"color:red\">兆</span>","originalKeyword":"着火征兆"},{"id":"89ef7e00-71a6-402f-bf61-c10f3d0445e6","keyword":"低压","originalKeyword":"低压"},{"id":"f1db5ca2-86d8-4035-926b-380533ce1319","keyword":"功能模拟","originalKeyword":"功能模拟"}],"language":"zh","publisherId":"gcrwlxb200706046","title":"低压下导线绝缘层着火先期征<span style=\"color:red\">兆</span>研究","volume":"28","year":"2007"}],"totalpage":10,"totalrecord":92}