{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"以蒸馏水为研磨介质,采用行星式球磨机对平均粒径约为10μm的SiC粉料进行了球磨,对球磨粉料进行酸洗除铁及水洗,制备出平均粒径为351.5nm的SiC超细粉料,详细分析了粉料制各过程中的物理化学变化与机理.结果发现:粗分散体系长时间球磨所得超细粉体溶液形成肢体分散系,体系固相含量增加,颗粒平均最小间距减小,颗粒间的范氏引力倍增,易形成团聚体;超细粉料胶体溶液在酸洗过程中产生了硬团聚,主要是由于Fe2+氧化水化成为Fe(OH)3胶桥,将超细粉料钳住所致;另外,测试溶液接近SiC等电点时亦会导致颗粒团聚.酸洗去除胶桥、调解溶液pH值可有效消除团聚.","authors":[{"authorName":"申玉芳","id":"ca002c48-6b27-4d6e-b8ae-66d9ce2f0659","originalAuthorName":"申玉芳"},{"authorName":"邹正光","id":"e6c233ce-5c1e-4f6b-b10d-59be89c420fb","originalAuthorName":"邹正光"}],"doi":"10.3969/j.issn.1005-0299.2008.02.033","fpage":"278","id":"e2e4fb77-f386-457e-b123-2c2c5530e4ae","issue":"2","journal":{"abbrevTitle":"CLKXYGY","coverImgSrc":"journal/img/cover/CLKXYGY.jpg","id":"14","issnPpub":"1005-0299","publisherId":"CLKXYGY","title":"材料科学与工艺"},"keywords":[{"id":"80e9f8c8-115a-4dbd-a92a-3f1334782552","keyword":"SiC超细粉","originalKeyword":"SiC超细粉"},{"id":"848e959b-68e9-4b9e-8ed8-b0c420271264","keyword":"最小间距","originalKeyword":"最小间距"},{"id":"3251c7de-3f18-4a7a-a770-9b23a67ee7be","keyword":"Fe(OH)3胶桥","originalKeyword":"Fe(OH)3胶桥"},{"id":"f0d76020-e0e6-4b0a-b3bc-0d595e81a59a","keyword":"等电点","originalKeyword":"等电点"},{"id":"0889ed61-592f-4295-ad8b-3d18c8df5037","keyword":"机理","originalKeyword":"机理"}],"language":"zh","publisherId":"clkxygy200802033","title":"SiC超细粉制备机理研究","volume":"16","year":"2008"},{"abstractinfo":"采用具有粒子动态混合密实功能的SPACE系统,实现了高集料体积分数模型砂浆结构的生成.从而,以3种细集料粒径分布的模型砂浆(其中一种的粒径范围为0.125~1.34 mm,另外两种的粒径范围为0.25~5.00mm)结构为例,研究了集料细度和集料体积分数(ψ=40%~70%)对邻近集料表面最近间距分布的影响.结果表明,集料细度增加和集料体积分数增大都会使大尺度邻近集料表面最近间距出现的概率减小、小尺度邻近集料表面最近间距出现的概率增加,且峰值概率的位置向小间距方向偏移.另外,邻近集料表面最近间距的分区段累计概率结果分析表明,3种模型砂浆结构的邻近集料表面最近间距分布的57%以上小于10μm.最后,邻近集料表面最近间距的平均值的分析结果显示,当集料体积分数在40%~70%之间变化时,邻近集料表面最近间距的平均值在54.6~1.1μm之间变化;当砂浆中集料的体积分数在50%~70%之间变化时,邻近集料表面最近间距的平均值与集料的体积分数基本上呈线性关系;单位砂浆体积下集料的表面积的变化对邻近集料表面最近间距的平均值有影响,但二者之间的比值并非常数.","authors":[{"authorName":"陈惠苏","id":"5647791f-996c-422c-91d5-723b6437f9ec","originalAuthorName":"陈惠苏"},{"authorName":"孙伟","id":"20716f3d-41b5-4679-9ba7-196265a6a54a","originalAuthorName":"孙伟"},{"authorName":"蒋金洋","id":"0a66aeaa-2fd6-4525-a52a-166370b1968a","originalAuthorName":"蒋金洋"},{"authorName":"Stroeven Piet","id":"a1697583-bc34-4398-aafd-a8c62c3655a4","originalAuthorName":"Stroeven Piet"},{"authorName":"STROEVEN Martijn","id":"51b86764-725d-414f-b426-2a95341f26b4","originalAuthorName":"STROEVEN Martijn"}],"doi":"10.3321/j.issn:1000-3851.2005.04.018","fpage":"100","id":"aa5ff0ef-a8ef-4d6b-af6a-e207dc14b390","issue":"4","journal":{"abbrevTitle":"FHCLXB","coverImgSrc":"journal/img/cover/FHCLXB.jpg","id":"26","issnPpub":"1000-3851","publisherId":"FHCLXB","title":"复合材料学报"},"keywords":[{"id":"8f38e9ad-9cf1-419d-9abe-5b6f1290d082","keyword":"数值模拟","originalKeyword":"数值模拟"},{"id":"80eb0e04-611f-44d8-b9b1-6856a24501ed","keyword":"邻近粒子表面最近间距","originalKeyword":"邻近粒子表面最近间距"},{"id":"cdfab319-ac08-4359-9348-4d4684fac7b0","keyword":"砂浆","originalKeyword":"砂浆"},{"id":"f16a841e-71e9-48a6-9cc2-024c96254e41","keyword":"集料","originalKeyword":"集料"},{"id":"28b64aef-f5b3-42f0-ba24-e2544f96faa6","keyword":"SPACE系统","originalKeyword":"SPACE系统"}],"language":"zh","publisherId":"fhclxb200504018","title":"砂浆中邻近集料表面最近间距分布的数值模拟","volume":"22","year":"2005"},{"abstractinfo":"分析了转炉炼钢过程能源消耗与工艺、设备、操作等因素的关系,建立了转炉工序能耗模型和应用模型,研究了转炉炼钢工序的最小能耗问题和与最小工序能耗相对应的工况条件.针对我国宝钢250 t转炉的设备条件和生产数据,给出转炉煤气的最大回收量为128.8 m3/t(钢),最小工序能耗为-18.90 kg/t(钢).","authors":[{"authorName":"郦秀萍","id":"51630794-21fb-4d29-9f75-4ccc3bc8022c","originalAuthorName":"郦秀萍"},{"authorName":"蔡九菊","id":"4b45bc1d-dd76-4d9a-8ae0-96dad9a9fbc3","originalAuthorName":"蔡九菊"},{"authorName":"殷瑞钰","id":"9ac3578f-4065-4d30-a445-c34d154cd362","originalAuthorName":"殷瑞钰"},{"authorName":"王鼎","id":"bcb514fe-de4b-4d89-91c9-10411c627258","originalAuthorName":"王鼎"},{"authorName":"周庆安","id":"5fcaad31-6b3a-45ce-82a0-5be4ec8b1924","originalAuthorName":"周庆安"}],"doi":"","fpage":"50","id":"d231b554-54ee-4642-a1c7-eedbade8493b","issue":"5","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"03b16c3f-0880-40df-95c5-ab5935fa4e59","keyword":"转炉","originalKeyword":"转炉"},{"id":"fd99c13d-15af-48e3-9b42-2fb7fbe6a946","keyword":"模型","originalKeyword":"模型"},{"id":"b2b6c4c4-4f58-4105-963e-adfe99a2e665","keyword":"工序能耗","originalKeyword":"工序能耗"},{"id":"43f0958d-2b01-4ee5-8d1f-5ea6bc0edb8b","keyword":"最小能耗","originalKeyword":"最小能耗"}],"language":"zh","publisherId":"gt200305013","title":"转炉炼钢工序最小能耗的研究","volume":"38","year":"2003"},{"abstractinfo":"为了比较分析强化传热中存在的熵产最小化和传递势容耗散最小化两种不同的方法,针对体点问题,根据这两种方法对导热系数分布进行了优化.数值计算和理论分析的结果表明,根据最小传递势容耗散原理得到的结果优于最小熵产原理得到的结果.其原因在于传递势容耗散最小的优化目标是提高热量传递效率,而熵产最小的优化目标实际上是减少可用能损失.","authors":[{"authorName":"程新广","id":"229cec52-c285-4f3f-9f57-2bf6a31c3d61","originalAuthorName":"程新广"},{"authorName":"孟继安","id":"47a5337d-317f-4e0d-9dc6-4eadc1d1e74b","originalAuthorName":"孟继安"},{"authorName":"过增元","id":"cb92029f-bf5c-448f-907e-94be914af0b4","originalAuthorName":"过增元"}],"doi":"","fpage":"1034","id":"78a02742-40ac-4d92-a220-edcef2471da9","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":"0c5136aa-8b5e-42cc-9397-4d0ce247bb17","keyword":"最小熵产","originalKeyword":"最小熵产"},{"id":"12d25830-fede-49e5-8330-6c9ebd2f41c9","keyword":"最小传递势容耗散","originalKeyword":"最小传递势容耗散"},{"id":"07fb69dc-876e-4196-8c07-1058325003bc","keyword":"强化传热","originalKeyword":"强化传热"},{"id":"e63baa3c-0c43-473a-9082-fe243ad435b0","keyword":"导热系数","originalKeyword":"导热系数"}],"language":"zh","publisherId":"gcrwlxb200506043","title":"导热优化中的最小传递势容耗散与最小熵产","volume":"26","year":"2005"},{"abstractinfo":"在不同温度梯度及生长速度下测量了Al-Al3Ni共晶合金间距选择范围. 实验结果表明, 在一定生长速度下, 共晶间距存在一容许范围. 其宽度随生长速度的增加减小, 在某一温梯度下, 共晶间距与生长速度的关系满足λ^nu=常数n=1.7-2.0)的关系, 温度梯度增加, 其最大, 最小及平均间距离略有减小. 同时, Al-Al3Ni合金的间距选择范围与初始生长速度无关.","authors":[{"authorName":"庄艳歆","id":"70852d9e-aa5b-4f70-9b88-58ba72635ad2","originalAuthorName":"庄艳歆"},{"authorName":"胡壮麒","id":"5beb701b-6ddb-4c72-8fb7-471f9952e9ca","originalAuthorName":"胡壮麒"},{"authorName":"朱丽红","id":"330c003d-bc6a-4243-9b5e-a918ae655ae8","originalAuthorName":"朱丽红"},{"authorName":"张修睦","id":"b62b386e-5ae4-47d3-b2a7-a47c655aa977","originalAuthorName":"张修睦"}],"categoryName":"|","doi":"","fpage":"353","id":"658bce31-9db9-4599-8225-069149f7c096","issue":"4","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"edf50bb7-dc59-4b33-9c2a-d7ab83811512","keyword":"间距","originalKeyword":"间距"},{"id":"2b381525-0592-4606-98e0-069c12ebe812","keyword":"null","originalKeyword":"null"},{"id":"59b06ebb-133d-4f15-a13b-395e7934bcf2","keyword":"null","originalKeyword":"null"},{"id":"fe3de7c5-d5e2-46fa-b188-c24ca4ce9c92","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"0412-1961_1999_4_12","title":"控制参数对Al—Al3Ni共晶合金间距的影响","volume":"35","year":"1999"},{"abstractinfo":"本文根据层片状共晶生长理论,利用时间相关模型对存在对流作用的Al-CuAl2共晶层片间距进行数值求解最小和最大层片间距(λo和λmax)的计算结果与实验结果符合较好,熔体的流动使Al-CuAl2共晶稳态生长的层片间距增加;当层片间距超过λmax时,层片组织处于非稳态:共晶生长速率越低,液相流动的影响越大","authors":[{"authorName":"张伟强","id":"690a3b40-0649-43b4-876a-13e638902217","originalAuthorName":"张伟强"},{"authorName":"杨院生","id":"0ae1e4b9-569b-4c2f-bc33-fb9397c11f01","originalAuthorName":"杨院生"},{"authorName":"胡壮麒","id":"c6401b06-8025-491f-9519-dd77cc1aea09","originalAuthorName":"胡壮麒"}],"categoryName":"|","doi":"","fpage":"1","id":"2006ff9c-4fa1-4ac2-baa2-da974c3a4fa7","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":"2e0a38eb-bfec-4224-99bc-021d5e822475","keyword":"共晶","originalKeyword":"共晶"},{"id":"f09601a5-cdea-49b2-8b2d-510f5de025a3","keyword":" lamellar spacing","originalKeyword":" lamellar spacing"},{"id":"c46c38ed-c583-4b69-9797-14ef18d5eae7","keyword":" fluid flow","originalKeyword":" fluid flow"},{"id":"60d524e9-fed1-4ae8-afbe-ab32b669e1b9","keyword":" stability","originalKeyword":" stability"}],"language":"zh","publisherId":"0412-1961_1998_1_3","title":"Al-CuAl_2共晶层片间距的数值模拟","volume":"34","year":"1998"},{"abstractinfo":"最小二乘法是求解精确晶格参数的基本方法.讨论了使用和不使用校正函数情形下的科恩最小二乘法,给出了所有晶系的法方程、晶格参数、误差估计的计算公式,以及计算晶格参数、校正函数参数的阻尼最小二乘迭代算法,该方法具有普适性,有大的收敛范围和快的收敛速度.作为应用例子,计算了数个不同晶系晶体的晶格参数,说明最小二乘法是获得高精度晶格参数的计算方法;用阻尼最小二乘法计算了ChuG校正函数的参数,表明该方法是获得校正函数参数的有效方法.","authors":[{"authorName":"张庆礼","id":"ce01ff48-6c76-42e1-bdd8-787ad9709028","originalAuthorName":"张庆礼"},{"authorName":"王宜申","id":"55c3e905-75ae-4fad-a526-708ba2f88e56","originalAuthorName":"王宜申"},{"authorName":"肖进","id":"09a84918-c610-41be-bb62-49ff40b7e247","originalAuthorName":"肖进"},{"authorName":"李冬青","id":"fc776fa7-fdb2-48cc-9a68-1f5a9f465325","originalAuthorName":"李冬青"},{"authorName":"殷绍唐","id":"20400f75-806a-460c-a71c-4e2a5e097e8c","originalAuthorName":"殷绍唐"}],"doi":"10.3969/j.issn.1007-5461.2009.02.010","fpage":"177","id":"24ddce29-5fdd-4926-9704-e581e560e29f","issue":"2","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报 "},"keywords":[{"id":"b76c58bf-b8fd-4f32-8384-5eb45b7a7564","keyword":"材料","originalKeyword":"材料"},{"id":"da8fe6db-c924-463a-bf44-fb908a06172a","keyword":"晶格参数","originalKeyword":"晶格参数"},{"id":"1b3d33c2-b7d7-4977-94f2-e18db770cf56","keyword":"科恩最小二乘法","originalKeyword":"科恩最小二乘法"},{"id":"04a0bcb0-91e7-4c38-a463-17552fbed53d","keyword":"法方程","originalKeyword":"法方程"},{"id":"29c6d49d-0fab-4ecd-b0a1-dbc8d6bb3e11","keyword":"衍射角校正函数","originalKeyword":"衍射角校正函数"},{"id":"c6258769-92e4-4351-b3c0-6cac0b964d64","keyword":"阻尼最小二乘法","originalKeyword":"阻尼最小二乘法"}],"language":"zh","publisherId":"lzdzxb200902010","title":"最小二乘法计算晶格参数","volume":"26","year":"2009"},{"abstractinfo":"根据最小方差预测理论, 提出了用最小方差预测 法预测岩土工程变形, 对其建模机 理和准则进行了论述, 并对预测模型的优化方法进行了研究和探讨。 在实际应用中, 将 最小方差预测法与其它预 测方法进行了比较。 结果表明, 该方法建模简便, 计算简单, 模型更 新优化快, 能取得较高的预测精度。","authors":[{"authorName":"王国辉","id":"4c6ac675-504c-48f5-aafd-aaf2f8d15b70","originalAuthorName":"王国辉"},{"authorName":"马莉","id":"72310b03-ad63-43fc-974b-6577fcc2cf59","originalAuthorName":"马莉"},{"authorName":"杨腾峰","id":"a890afa5-5bd8-4aea-8973-8e545145e319","originalAuthorName":"杨腾峰"},{"authorName":"侯永会","id":"3f4da4a8-ace0-484e-bf2b-cf47460715a7","originalAuthorName":"侯永会"},{"authorName":"李卫国","id":"82c4cda5-c015-4d29-9e63-3df0471b1256","originalAuthorName":"李卫国"}],"doi":"","fpage":"162","id":"55d54030-2332-40d2-8069-ec7396cfbeec","issue":"1","journal":{"abbrevTitle":"ZGYSJSXB","coverImgSrc":"journal/img/cover/ZGYSJSXB.jpg","id":"88","issnPpub":"1004-0609","publisherId":"ZGYSJSXB","title":"中国有色金属学报"},"keywords":[{"id":"420170d5-c300-479c-871c-47e925e63545","keyword":"最小方差预测","originalKeyword":"最小方差预测"},{"id":"f19306ef-ebad-40b4-affa-7007550d684e","keyword":"变形预测","originalKeyword":"变形预测"},{"id":"856f63d2-9358-4c66-8416-93da210cf25a","keyword":"模型优化","originalKeyword":"模型优化"}],"language":"zh","publisherId":"zgysjsxb200101036","title":"最小方差预测法预测岩土工程变形","volume":"11","year":"2001"},{"abstractinfo":"采取在静子叶片表面埋入微型压力传感器的方法,对叶尖、叶中和叶根三个截面上的动态压力进行测量,实验研究了六个轴向间距下压气机的旋转失速特性.实验结果表明:轴向间距对压气机失速点的流量系数影响很大,转静子轴向间距减少,压气机失速推迟;压气机刚进入旋转失速的模态与轴向间距有关,轴向间距较大时,压气机首先进入多团全叶高旋转失速,当轴向间距为21%CR时,压气机直接进入单团全叶高旋转失速;轴向间距不同,近失速点的压力扰动也存在差别.","authors":[{"authorName":"李传鹏","id":"160e5ddc-d758-463e-9301-5844cd2807a4","originalAuthorName":"李传鹏"},{"authorName":"胡骏","id":"dbd138ff-67f5-4094-990b-690e70e4615b","originalAuthorName":"胡骏"},{"authorName":"王英锋","id":"41e54909-3313-417f-8a23-cbcbc05deff6","originalAuthorName":"王英锋"},{"authorName":"张燎原","id":"2896c752-f9ed-48a7-a66c-02f1d949fbb8","originalAuthorName":"张燎原"}],"doi":"","fpage":"246","id":"94efc969-7c4f-46a5-a5ac-62f7a8208564","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":"697b7925-7fa5-4839-930e-295beffd0e20","keyword":"轴向间距","originalKeyword":"轴向间距"},{"id":"7587cea3-ae37-4cc2-88aa-dc979fedf438","keyword":"失速模态","originalKeyword":"失速模态"},{"id":"e4d56323-616e-4b39-97dd-a4082b3d88df","keyword":"失速特性","originalKeyword":"失速特性"}],"language":"zh","publisherId":"gcrwlxb200502020","title":"轴向间距对压气机失速特性的影响","volume":"26","year":"2005"},{"abstractinfo":"利用金相显微镜观察合金的显微组织并测量枝晶臂间距,采用电化学工作站研究不同镍含量ZA35合金的电化学腐蚀性能.结果表明,元素镍的加入对合金组织细化和耐蚀性能具有重要影响,当加入量为0.5%时所得ZA35-0.5Ni合金组织最为细化,为团絮状组织,二次枝晶臂间距最小,仅为12.84μm,比ZA35合金减小23%.该合金在3.5%NaCl溶液中的耐蚀性能高,腐蚀电流密度较ZA35合金减小85%.","authors":[{"authorName":"刘敬福","id":"49436fec-c5c4-43fd-933e-4836abaadb3f","originalAuthorName":"刘敬福"},{"authorName":"冯立丽","id":"25409100-3bea-467e-9994-257941a3aac7","originalAuthorName":"冯立丽"}],"doi":"10.3969/j.issn.2095-1744.2016.04.007","fpage":"26","id":"dd8e1a88-9182-4dc8-9769-f64569cb0612","issue":"4","journal":{"abbrevTitle":"YSJSGC","coverImgSrc":"journal/img/cover/YSJSGC.jpg","id":"76","issnPpub":"2095-1744","publisherId":"YSJSGC","title":"有色金属工程"},"keywords":[{"id":"524e9a5d-6aaf-4ff8-9eff-74c1f84b36b1","keyword":"ZA35合金","originalKeyword":"ZA35合金"},{"id":"989abe95-46b2-45ab-91ce-173914e8237b","keyword":"镍","originalKeyword":"镍"},{"id":"c2a73552-e1e2-440d-9cc5-cc29ba8433f7","keyword":"枝晶臂间距","originalKeyword":"枝晶臂间距"},{"id":"79485320-8e9c-470d-af0a-ad045eeada4e","keyword":"电化学性能","originalKeyword":"电化学性能"}],"language":"zh","publisherId":"ysjs201604007","title":"ZA35-xNi合金的枝晶臂间距和电化学性能","volume":"6","year":"2016"}],"totalpage":547,"totalrecord":5468}