{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"析了气相<span style=\"color:red\">声速</span>与理想气体比定压热容的热力学关系，用超声变程干涉仪测定了1,1,1,2,3,3,3-七氟丙烷(HFC-227ea)的72组气相<span style=\"color:red\">声速</span>值，温度范围273-333 K，压力范围26-315 kPa，测量不确定度小于0.05%。根据这些实验数据，确定了HFC-227ea的理想气体比定压热容和<span style=\"color:red\">声速</span>第二维里系数，并分别拟合得到了与温度的函数，理想气体比定压热容的不确定度小于0.5%。使用方阱势能模型导出了HFC-227ea的第二维里系数，并与文献值进行了比较。","authors":[{"authorName":"张昌","id":"7c7ebc7f-1f5c-4d5e-b0eb-889947c40f93","originalAuthorName":"张昌"},{"authorName":"段远源","id":"8ad8dba5-64a4-4d99-8d99-7c4a230bd655","originalAuthorName":"段远源"},{"authorName":"史琳","id":"293ea411-e7bf-4e19-887a-c5b3de531a0c","originalAuthorName":"史琳"},{"authorName":"朱明善","id":"098944d4-1305-4fe7-a132-242e92c391c1","originalAuthorName":"朱明善"},{"authorName":"韩礼钟","id":"77d30dab-941e-4e43-8529-bc5ceb2c201c","originalAuthorName":"韩礼钟"}],"doi":"","fpage":"154","id":"57b0ca0b-df5f-4be7-b1d1-243d03cfaf07","issue":"2","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":"04a93c29-f628-4f00-9b36-b2054c778b54","keyword":"HFC-227ea","originalKeyword":"HFC-227ea"},{"id":"4fa38cd2-f2a4-4819-885d-79f72e3b92df","keyword":"<span style=\"color:red\">声速</span>","originalKeyword":"声速"},{"id":"0076d6fe-7421-47c0-9c76-de1b4a7ab3ec","keyword":"理想气体比定压热容","originalKeyword":"理想气体比定压热容"},{"id":"4bc09da4-e510-4b34-8be3-693dca481615","keyword":"第二维里系数","originalKeyword":"第二维里系数"}],"language":"zh","publisherId":"gcrwlxb200102007","title":"1,1,1,2,3,3,3- 七氟丙烷的气相<span style=\"color:red\">声速</span>","volume":"22","year":"2001"},{"abstractinfo":"采用VISAR技术连续测量样品-窗口界面粒子速率削面方法,对AD95陶瓷在卸载过程中的高压<span style=\"color:red\">声速</span>和卸载路径进行了研究.结果表明,加载应力为25.86～57.42GPa时,AD95陶瓷卸载过程中的高压<span style=\"color:red\">声速</span>降低过程与延性金属材料具有明显区别:卸载过程受加载过程中的双波结构影响,明显分成弹性前驱波卸载和冲击波卸载两个阶段,但第一阶段所占的比例随加载应力的增加逐渐减小；第二阶段中不存在明显的弹性卸载和塑性卸载的拐点.研究结果将为陶瓷材料动态响应和压缩损伤研究奠定基础.","authors":[{"authorName":"孙占峰","id":"679da2b6-b467-4eef-a12c-349c17e6d2c7","originalAuthorName":"孙占峰"},{"authorName":"徐辉","id":"9e1c71c9-391e-47be-84e6-2a40f8d3f461","originalAuthorName":"徐辉"},{"authorName":"彭建祥","id":"b65ab2f8-f70b-481d-9ffa-5072ec716820","originalAuthorName":"彭建祥"}],"doi":"10.3969/j.issn.1001-4381.2012.02.001","fpage":"1","id":"4bbb9aa1-f26a-4ace-a845-2ff66b573f3d","issue":"2","journal":{"abbrevTitle":"CLGC","coverImgSrc":"journal/img/cover/CLGC.jpg","id":"9","issnPpub":"1001-4381","publisherId":"CLGC","title":"材料工程"},"keywords":[{"id":"7be23648-f4f2-4387-868e-b0a3d55e8b9c","keyword":"陶瓷","originalKeyword":"陶瓷"},{"id":"0279d09d-1891-439a-8275-3d675f32a893","keyword":"高压","originalKeyword":"高压"},{"id":"92d71f42-c848-4b48-842d-325f99305811","keyword":"<span style=\"color:red\">声速</span>","originalKeyword":"声速"}],"language":"zh","publisherId":"clgc201202001","title":"AD95陶瓷的高压<span style=\"color:red\">声速</span>研究","volume":"","year":"2012"},{"abstractinfo":"研究了Tb0.3Dy0.7(Fe,M)1 95合金的<span style=\"color:red\">声速</span>v和弹性模量E与磁化磁场的关系.首次观测到出现Vmin和Emin值的磁场与出现Xmax和d33的磁场是一致的,均在20kA/m左右,这在工程上有重要意义,但这种关系的物理机制尚不清楚.","authors":[{"authorName":"周寿增","id":"6dc91fa8-9e0a-4148-9814-fbb91884e59d","originalAuthorName":"周寿增"},{"authorName":"赵青","id":"e719f96c-2cf6-4ada-a776-069112f3f907","originalAuthorName":"赵青"},{"authorName":"张文勇","id":"de9ed7fa-c578-4aee-b704-d9dc8fc3dddf","originalAuthorName":"张文勇"},{"authorName":"张茂才","id":"1a43bfc8-8ae9-40fe-9d8f-8bf0a3d13060","originalAuthorName":"张茂才"},{"authorName":"史振华","id":"6a1177c3-760f-4fdf-8915-4403658b811e","originalAuthorName":"史振华"},{"authorName":"高学绪","id":"daea9884-1668-4749-9f9c-8cd0ce403bf0","originalAuthorName":"高学绪"},{"authorName":"乔韦","id":"e9c34085-285d-47ee-b2f1-c188b3cb9a1a","originalAuthorName":"乔韦"},{"authorName":"王润","id":"a4c8b9bf-e1a1-4658-8fe8-11bb452079c9","originalAuthorName":"王润"}],"doi":"10.3321/j.issn:1005-3093.2001.01.023","fpage":"135","id":"9d86770d-75b4-4147-9a99-fd37dccfbfa8","issue":"1","journal":{"abbrevTitle":"CLYJXB","coverImgSrc":"journal/img/cover/CLYJXB.jpg","id":"16","issnPpub":"1005-3093","publisherId":"CLYJXB","title":"材料研究学报"},"keywords":[{"id":"e8ea3e97-dbb2-4b47-be39-218577f9b2b1","keyword":"<span style=\"color:red\">声速</span>","originalKeyword":"声速"},{"id":"9e42affd-25f3-4712-949c-9ec8ee27a774","keyword":"杨氏模量","originalKeyword":"杨氏模量"},{"id":"92b7616e-ccc2-4c49-9596-a077a164b46a","keyword":"△E效应","originalKeyword":"△E效应"},{"id":"505bc7a2-c249-4382-9065-ed9947503f5b","keyword":"稀土超磁致伸缩材料","originalKeyword":"稀土超磁致伸缩材料"}],"language":"zh","publisherId":"clyjxb200101023","title":"Tb0.3Dy0.7(Fe,M)1.95合金的<span style=\"color:red\">声速</span>和弹性模量与磁化磁场的关舷","volume":"15","year":"2001"},{"abstractinfo":"定程干涉法是精度最高的气相<span style=\"color:red\">声速</span>测量方法,本文再现了定程干涉法共振频率的导出过程,在此基础上复现了边界层修正式的导出过程。最后以<span style=\"color:red\">声速</span>数据丰富的Ar为例,分析了边界层对这两种定程干涉法测量的影响规律。结果表明：边界层对定程干涉法<span style=\"color:red\">声速</span>测量有着显著的影响;边界层的影响随温度升高而增大、随压力升高而降低;适当增加共鸣腔体的几何尺寸有利于减小边界层效应的影响。","authors":[{"authorName":"安保林","id":"e06760b9-67bc-409c-9531-fc2a15ca1764","originalAuthorName":"安保林"},{"authorName":"刘强","id":"50573693-0e85-41e1-9a10-9f3c0c3cd7e0","originalAuthorName":"刘强"},{"authorName":"段远源","id":"5587e38d-11dd-4c08-af3d-357343853511","originalAuthorName":"段远源"}],"doi":"","fpage":"561","id":"1445fbbb-2112-4da5-9cd2-3ef2b1b29044","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":"0a660f26-b1c4-4053-bab5-8ae98fc37ccd","keyword":"<span style=\"color:red\">声速</span>","originalKeyword":"声速"},{"id":"976cf5f5-57a4-45cc-9c70-0e97aa8eaee4","keyword":"定程干涉法","originalKeyword":"定程干涉法"},{"id":"69623263-e3cc-446b-a9dd-f1e45f682dd8","keyword":"边界层","originalKeyword":"边界层"}],"language":"zh","publisherId":"gcrwlxb201204005","title":"边界层效应对定程干涉法<span style=\"color:red\">声速</span>测量的影响","volume":"33","year":"2012"},{"abstractinfo":"分析了<span style=\"color:red\">声速</span>法测量气粉混合物固相浓度的理论模型,结合对实际工况的分析,建立了固相浓度与声波传播时间之间的实用关系式,并对该关系式进行了实验验证.理论分析与实验结果表明,用于测量气粉混合物的固相浓度,<span style=\"color:red\">声速</span>法是一种与固相粒子的成分、固相粒度分布以及当地流速无关的一种测量手段,并且在防止探头污染和防磨等方面具有优势.","authors":[{"authorName":"刘心志","id":"70bea351-c85e-4b0d-8db7-838eb07acea5","originalAuthorName":"刘心志"},{"authorName":"王益祥","id":"ee393b47-d3cf-4bcc-9fe6-bac26a6e80ac","originalAuthorName":"王益祥"},{"authorName":"朱曙光","id":"466402e1-63e6-432a-b1fa-9578eea871ed","originalAuthorName":"朱曙光"},{"authorName":"李光辉","id":"cfba5d7a-3246-4234-8581-76989166bd84","originalAuthorName":"李光辉"}],"doi":"","fpage":"201","id":"3d6b6ccb-0eba-4912-996f-bfc8cdbd896b","issue":"z1","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":"e608c59e-61af-404b-88a3-a54f9a6995d6","keyword":"<span style=\"color:red\">声速</span>","originalKeyword":"声速"},{"id":"f0516521-b78c-4d3f-a48b-a6c72aff2433","keyword":"气粉混合物","originalKeyword":"气粉混合物"},{"id":"86bac818-931d-41c1-ae4f-6ffb019b16ef","keyword":"固相浓度","originalKeyword":"固相浓度"}],"language":"zh","publisherId":"gcrwlxb2007z1052","title":"气粉混合物固相浓度的<span style=\"color:red\">声速</span>法测量","volume":"28","year":"2007"},{"abstractinfo":"利用超声法在线测量高浓度水煤浆具有无需稀释、快速、在线、非接触等优势.本文探讨了水煤浆中的浓度测量问题.在理论分析和实验基础上得出了水煤浆中<span style=\"color:red\">声速</span>与浓度的关系,指出水煤浆温度、稳定性、粒径与<span style=\"color:red\">声速</span>的关系和对浓度测量的影响,并从理论上提出了水煤浆中粒径测量的方法.本文设计的实验装置适合在线测量中的应用.","authors":[{"authorName":"薛明华","id":"cfda2860-6266-48d0-b66a-79430db7f710","originalAuthorName":"薛明华"},{"authorName":"苏明旭","id":"187a79d3-245d-42d5-a3ec-3b1bf630c3e6","originalAuthorName":"苏明旭"},{"authorName":"蔡小舒","id":"3dc5c7fd-4519-4f55-8c9a-83042946b9ad","originalAuthorName":"蔡小舒"},{"authorName":"董黎丽","id":"c131c51c-8397-4445-a9ab-f369a0c9b7e5","originalAuthorName":"董黎丽"},{"authorName":"尚志涛","id":"5f35d16b-1751-405e-b830-c1046ddfa529","originalAuthorName":"尚志涛"}],"doi":"","fpage":"213","id":"8c3b96d7-1d96-4b2c-b6c5-a0610c16e78e","issue":"z1","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":"baad0a0d-660f-45d2-8306-c5c9c87361b5","keyword":"超声法","originalKeyword":"超声法"},{"id":"05f5d4b7-5adb-4520-91c8-46a1c8ce802f","keyword":"水煤浆","originalKeyword":"水煤浆"},{"id":"f000f2df-243d-4964-8c4c-2a029260dbeb","keyword":"<span style=\"color:red\">声速</span>","originalKeyword":"声速"},{"id":"cfe122da-53b8-4329-bd4b-a7ec8c445cf3","keyword":"浓度","originalKeyword":"浓度"},{"id":"2b65365c-4afe-4031-aa8b-8bfc9625e669","keyword":"颗粒粒径","originalKeyword":"颗粒粒径"}],"language":"zh","publisherId":"gcrwlxb2007z1055","title":"超声法测量高浓度水煤浆若干问题研究","volume":"28","year":"2007"},{"abstractinfo":"总结了药型罩材料技术的四个基本要素,即密度、<span style=\"color:red\">声速</span>、物理对称性和几何对称性.对四个基本要素进行了理论分析,论述了四个基本要素对使用性能的影响,阐述了在选择药型罩材料及其制作工艺时应遵循的原则.","authors":[{"authorName":"赵腾","id":"2177d527-d767-4818-a7d2-f5bc938e1904","originalAuthorName":"赵腾"},{"authorName":"罗虹","id":"b8f54374-f3e3-464c-8bd3-ddb860b09c9f","originalAuthorName":"罗虹"},{"authorName":"贾万明","id":"bca55ff4-cbb7-4a24-9a8a-c5c9666098d4","originalAuthorName":"贾万明"},{"authorName":"马少华","id":"5610b7bf-9d56-4a80-b181-30379254e8b6","originalAuthorName":"马少华"},{"authorName":"张全孝","id":"2ea6d4c2-3690-4d0c-b487-50609e0a2beb","originalAuthorName":"张全孝"}],"doi":"10.3969/j.issn.1004-244X.2007.05.022","fpage":"77","id":"fde8f940-ce6a-41c2-a26d-2e822a67d2bd","issue":"5","journal":{"abbrevTitle":"BQCLKXYGC","coverImgSrc":"journal/img/cover/BQCLKXYGC.jpg","id":"4","issnPpub":"1004-244X","publisherId":"BQCLKXYGC","title":"兵器材料科学与工程   "},"keywords":[{"id":"0e37ed76-cebb-4318-8c64-d2e54910dc03","keyword":"药型罩","originalKeyword":"药型罩"},{"id":"3705afbf-5a2c-4a63-970e-f485119cb888","keyword":"密度","originalKeyword":"密度"},{"id":"7b9f1bea-076d-4095-a54d-0c40001412fe","keyword":"<span style=\"color:red\">声速</span>","originalKeyword":"声速"},{"id":"adefb56a-06ae-456b-b87d-b9da77403b8f","keyword":"物理对称性","originalKeyword":"物理对称性"},{"id":"1d543bc5-a635-4222-a74f-6f73cec31100","keyword":"几何对称性","originalKeyword":"几何对称性"}],"language":"zh","publisherId":"bqclkxygc200705022","title":"药型罩材料技术基本要素探讨","volume":"30","year":"2007"},{"abstractinfo":"详细推导计算了声体波(BAW)在La3Ga5SiO14(LGS)晶体中分别沿YZ、XY、XZ面传播的纯切变波,准切变波,准纵波的表达式.绘制了LGS晶体在(100)、(010)、(001)这三个主晶面内声的慢度分布曲线图.计算了<span style=\"color:red\">声速</span>的最大值并与石英进行比较,结果表明LGS晶体的BAW传播速度一般比石英低1000m/s左右.为该晶体在声体波器件等方面的设计和应用提供了一定的理论指导作用.","authors":[{"authorName":"魏爱俭","id":"07de9985-f8ee-4f01-88de-092126978fce","originalAuthorName":"魏爱俭"},{"authorName":"袁多荣","id":"9c71fa46-21e5-400e-9e61-03c4431e735a","originalAuthorName":"袁多荣"},{"authorName":"赵奕君","id":"29ec065f-8933-4d89-8abf-1f072ffa3112","originalAuthorName":"赵奕君"},{"authorName":"祁海峰","id":"397c59fd-0cf1-450c-b3ff-36da197fb71a","originalAuthorName":"祁海峰"}],"doi":"10.3969/j.issn.1000-985X.2005.02.002","fpage":"200","id":"24236fcd-9eee-4f2e-8458-0405e58aabd4","issue":"2","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":"ac5abe25-8476-4abd-a30d-9c69b965f1a0","keyword":"La3Ga5SiO14晶体","originalKeyword":"La3Ga5SiO14晶体"},{"id":"e6c5d139-b645-4c01-9ec1-815d82da4f82","keyword":"克里斯托夫方程","originalKeyword":"克里斯托夫方程"},{"id":"f517d3d4-fce6-421e-acf3-a4668b85b488","keyword":"慢度曲线","originalKeyword":"慢度曲线"},{"id":"be0af0fa-032b-4488-bc6d-984004528df9","keyword":"<span style=\"color:red\">声速</span>","originalKeyword":"声速"},{"id":"32c2e18f-5a46-4fc5-9b84-00c2ceaf4e1f","keyword":"声体波","originalKeyword":"声体波"}],"language":"zh","publisherId":"rgjtxb98200502002","title":"La3Ga5SiO14的BAW传播特性","volume":"34","year":"2005"},{"abstractinfo":"采用X射线衍射和<span style=\"color:red\">声速</span>法等对PAN中空与实芯初生纤维和原丝进行对比研究.结果表明,中空初生纤维的形貌在凝固过程更容易保持,结晶度小于实芯初生纤维,但在后纺过程中增长较快,最终中空原丝的结晶度和取向度均高于实芯原丝;通过对两种原丝进行差示扫描量热和热失重分析表明,中空原丝经氧化炭化后碳收率较高.","authors":[{"authorName":"张兴华","id":"f0a50599-c7c5-429d-ba90-6b56d5d525b0","originalAuthorName":"张兴华"},{"authorName":"温月芳","id":"c564725b-53e1-44ea-96a4-9f09dd16bbbd","originalAuthorName":"温月芳"},{"authorName":"杨永岗","id":"7c62d6ea-9616-4d46-b4e0-a481e6c3ebec","originalAuthorName":"杨永岗"},{"authorName":"刘朗","id":"ae60997c-73ab-4151-9503-4c15b1b46401","originalAuthorName":"刘朗"},{"authorName":"王茂章","id":"69c3a4d9-a47f-482e-b5db-5cc8561c034d","originalAuthorName":"王茂章"}],"doi":"","fpage":"399","id":"ae04f39a-086a-4e82-8535-817141e5fd0c","issue":"Z2","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"ed55c7ec-7a89-4270-9edb-3a20e06f5d06","keyword":"聚丙烯腈","originalKeyword":"聚丙烯腈"},{"id":"4d27bfa9-0ef5-4186-bd6a-c8ac76c261b2","keyword":"结晶度","originalKeyword":"结晶度"},{"id":"afd59eea-7e6b-48ea-8c4f-7ee4b2af33ef","keyword":"<span style=\"color:red\">声速</span>","originalKeyword":"声速"},{"id":"9f059fcd-8490-4d45-a8f6-4d8a7dac62ee","keyword":"中空纤维","originalKeyword":"中空纤维"},{"id":"ef39a04f-40dd-4a06-8d6c-c88c435e2449","keyword":"实芯纤维","originalKeyword":"实芯纤维"}],"language":"zh","publisherId":"cldb2008Z2115","title":"中空与实芯聚丙烯腈(PAN)原丝的成形与性能研究","volume":"22","year":"2008"},{"abstractinfo":"通过高温短时加热,模拟产生球化级别不同的珠光体.利用脉冲回波法测定超声波在球化样品中传播速度.依据弹性模量与<span style=\"color:red\">声速</span>和密度之间的相关性推算时效样品的弹性指标.结果表明:随时效时间的增加,弹性指标单调递减,杨氏模量E从213 GPa下降到199.6 GPa,剪切模量G从82.5 GPa下降到77.5 GPa,体弹模量K从159.1 GPa下降到147.1 GPa,泊松比(o)变化较小,从0.291变化到0.286.分析认为:球化过程中,片状渗碳体分解以及球状碳化物在晶界的析出与聚集成网状严重削弱了晶界强度;时效时间延长到2300 h,材料组织局部发生石墨化,石墨是低弹性\"软\"介质,与铁素体基体之间的结合能力差,这严重降低材料的弹性性能指标.","authors":[{"authorName":"李萍","id":"0eab13e8-0ca6-4e42-bd4f-c0b8e0d8e6b8","originalAuthorName":"李萍"},{"authorName":"付千发","id":"939537ba-82f8-4ad2-bd92-95bb99851fac","originalAuthorName":"付千发"},{"authorName":"李喜孟","id":"48d148bc-c516-45ee-b7da-9261f20b2cc4","originalAuthorName":"李喜孟"},{"authorName":"王来","id":"db65df19-d8a1-45d2-bf9e-797fa000fa7a","originalAuthorName":"王来"},{"authorName":"郝静燕","id":"9a3fb305-9fb4-4033-aa28-ab4183a25e03","originalAuthorName":"郝静燕"}],"doi":"","fpage":"102","id":"87fa224b-c73d-4f3d-be88-9d21cca3a86b","issue":"5","journal":{"abbrevTitle":"CLRCLXB","coverImgSrc":"journal/img/cover/CLRCLXB.jpg","id":"15","issnPpub":"1009-6264","publisherId":"CLRCLXB","title":"材料热处理学报"},"keywords":[{"id":"4c61a3c4-00e0-439d-95e1-8f88d89356bc","keyword":"超声无损评价","originalKeyword":"超声无损评价"},{"id":"ddcee9f6-2a6d-4e46-9fa5-e3ce3fa367a4","keyword":"球化","originalKeyword":"球化"},{"id":"b1448c67-7b26-4fe0-a9ba-8b237c403e33","keyword":"<span style=\"color:red\">声速</span>","originalKeyword":"声速"},{"id":"d67dc353-14b3-4f0b-bd9f-230e432cc8ff","keyword":"弹性性能","originalKeyword":"弹性性能"}],"language":"zh","publisherId":"jsrclxb201005022","title":"20钢高温时效组织弹性性能的超声无损评价","volume":"31","year":"2010"}],"totalpage":22,"totalrecord":219}