{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"以ZA9半固态锌合金为研究对象,研究其凝固过程温度变化及影响因素.应用Fluent软件建立锌铝合金自然对流下的凝固数学模型,获得在牛顿流体和非牛顿流体假设下自然对流液相体积分数的分布图.利用自行研制的半固态浆料凝固过程温度测试试验台,对制取的锌铝合金半固态浆料温度进行控制和记录,并对两种模型的凝固界面及试验获得的凝固过程温度场数据进行对比,验证了模拟结果的可靠性.","authors":[{"authorName":"张莹","id":"d8415cde-1a4c-46c1-b278-ec9d0a320acf","originalAuthorName":"张莹"},{"authorName":"倪泽联","id":"8d0bf795-69e1-4aaa-bedc-8a674fab3828","originalAuthorName":"倪泽联"},{"authorName":"韩婧潇","id":"3ea2dfd5-5d02-4346-b323-1fb6554b957f","originalAuthorName":"韩婧潇"}],"doi":"","fpage":"21","id":"bf652caa-8d82-4eed-9137-c68aada9ebb6","issue":"1","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":"42165353-71f7-4b9e-a759-b7bf680b9255","keyword":"半固态合金","originalKeyword":"半固态合金"},{"id":"c4ac595f-1cb5-4c03-973c-553ab7ba8e02","keyword":"凝固","originalKeyword":"凝固"},{"id":"2a3f3abb-e86f-4e3c-bbcf-b83f2858fe79","keyword":"液相体积","originalKeyword":"液相体积"},{"id":"cb811111-8909-4591-9ea5-b343c8399e69","keyword":"牛顿流体","originalKeyword":"牛顿流体"}],"language":"zh","publisherId":"bqclkxygc201301007","title":"半固态锌合金凝固过程数值模拟","volume":"36","year":"2013"},{"abstractinfo":"考察了生物检材中4种苯丙胺类毒品,即苯丙胺(AM)、甲基苯丙胺(MAM)、3,4-亚甲二氧基苯丙胺(MDA)、3,4-亚甲二氧基甲基苯丙胺(MDMA)的液相小体积萃取方法的影响因素;考察了常规体积液相萃取与小体积液相萃取效率,考察了小体积萃取溶剂、萃取体积、待测物浓度对萃取效率的影响;对小体积萃取机制进行了初步的探讨.结果表明,在小体积萃取中,由于有机相液膜的比例大,萃取过程以液膜的吸附作用为主.当水相中待测物浓度很低时,这一萃取方式有明显的富集效果.用这一萃取方式对唾液、毛发中的该类毒品进行了提取,并直接抽取有机相进行GC分析或衍生化后GC分析.当采用GC/MS中SIM方式检测时,唾液中的最低检测限为5×10-8 g/mL.毛发中的毒品经过MBTFA三氟乙酰化后,最小检测限为5×10-11 g/mg毛发.实验数据证明,此提取方法得到的各项定量参数均符合分析要求.方法简便、灵敏、经济、快速,适用于生物检材中该类毒品的分析.","authors":[{"authorName":"孟品佳","id":"2a83ae3a-7c4d-4ef6-8b9f-60b9b860d531","originalAuthorName":"孟品佳"},{"authorName":"王燕燕","id":"c0c5d49c-7571-47af-885f-66ce2080361c","originalAuthorName":"王燕燕"},{"authorName":"朱丹","id":"85f48481-1b7f-4c05-b6db-dca058f33e09","originalAuthorName":"朱丹"}],"doi":"10.3969/j.issn.1000-0518.2008.12.016","fpage":"1448","id":"cdc12ce5-b68e-4318-a0bd-661c67776a85","issue":"12","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"32b35a48-9705-4c13-abe5-f32a22a616b3","keyword":"小体积液相萃取","originalKeyword":"小体积液相萃取"},{"id":"64e0b303-a6c1-4749-8585-68d05eeaebb1","keyword":"苯丙胺毒品","originalKeyword":"苯丙胺毒品"},{"id":"102bfaad-b501-4789-8b8c-413042fb6a9d","keyword":"唾液","originalKeyword":"唾液"},{"id":"46114696-10f8-45ae-8d66-01452581345c","keyword":"毛发","originalKeyword":"毛发"},{"id":"68b2f376-c6b8-4f6c-92fe-cf9d60b00fc4","keyword":"GC/MS","originalKeyword":"GC/MS"}],"language":"zh","publisherId":"yyhx200812016","title":"生物样品中苯丙胺类毒品的小体积液相萃取及GC/MS分析","volume":"25","year":"2008"},{"abstractinfo":"导出了多相合金组成相结构体积分数以及用成分的原子分数与质量分数求得的相含量之间的关系. 结果表明, 组成相结构体积分数是由质量分数算得的相含量和相密度的函数, 尽管用原子分数与用质量分数求得的合金要含量以及与该相的结构体积分数可能在数值上相差甚小,但它们数值来源的物理量不同, 其间有定量关系, 并可在一定条件下反映出其各自的特征.","authors":[{"authorName":"刘艳","id":"b0b09b72-286a-49ce-b614-c9212db1bc7e","originalAuthorName":"刘艳"},{"authorName":"彭志方","id":"1664ab53-3778-45b8-9913-5d8f07117c43","originalAuthorName":"彭志方"}],"categoryName":"|","doi":"","fpage":"22","id":"20becd5f-19bc-47e4-b824-b058360f1101","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":"d5a99ed8-bac6-456b-919b-2a9e957f6f9a","keyword":"合金相结构体积分数","originalKeyword":"合金相结构体积分数"},{"id":"7ee536a1-64ae-45fe-a6c1-599a629c561c","keyword":"null","originalKeyword":"null"},{"id":"5f54dc9f-a20e-4732-bd48-8b1712c5ac5f","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"0412-1961_2003_1_8","title":"多相合金组成相结构体积分数及相含量之间关系的测算","volume":"39","year":"2003"},{"abstractinfo":"导出了多相合金组成相结构体积分数以及用成分的原子分数与质量分数求得的相含量之间的关系.结果表明,组成相结构体积分数是由质量分数算得的相含量和相密度的函数,尽管用原子分数与用质量分数求得的合金相含量以及与该相的结构体积分数可能在数值上相差甚小,但它们数值来源的物理量不同,其间有定量关系,并可在一定条件下反映出其各自的特征.","authors":[{"authorName":"刘艳","id":"cbbfe971-7d51-450a-80a6-00c30070069a","originalAuthorName":"刘艳"},{"authorName":"彭志方","id":"60f2dce0-50d0-48b9-8ff7-957d265eae4d","originalAuthorName":"彭志方"}],"doi":"10.3321/j.issn:0412-1961.2003.01.006","fpage":"22","id":"0228d6bc-8543-4ebf-a718-6c12c0c605c5","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":"880da1c9-a52d-4c80-a6b1-f72639888564","keyword":"合金相结构体积分数","originalKeyword":"合金相结构体积分数"},{"id":"2d18d5b1-fb7a-46a9-98b3-35df1d7b3eb1","keyword":"相含量","originalKeyword":"相含量"},{"id":"b170b64f-2e83-4792-ae04-2f2424873b37","keyword":"相密度","originalKeyword":"相密度"},{"id":"d7ad01c9-a339-4fe0-9ae6-1e4df20f38b9","keyword":"定量关系","originalKeyword":"定量关系"}],"language":"zh","publisherId":"jsxb200301006","title":"多相合金组成相结构体积分数及相含量之间关系的测算","volume":"39","year":"2003"},{"abstractinfo":"通过构建局域自由能函数,并考虑晶界对析出过程的影响,建立了低体积分数相析出过程的相场模型,模拟了溶质体积分数为2%的体系中第二相在晶界和晶内析出及其演变过程.结果表明,在相同相场步条件下,晶粒空间矢量平方和的幂指数项(∑(η)2)μ决定了第二相在晶界和晶内的析出比例;晶内析出相的比例随μ值的减小而增加;析出相尺寸的大小取决于浓度场梯度能系数к(ζ)值的高低;μ=1或较大к(ζ)时,析出相全部集中于晶界上.","authors":[{"authorName":"由园","id":"ff12ccc6-e2fe-4585-8fc0-976dbcc0ea94","originalAuthorName":"由园"},{"authorName":"闫牧夫","id":"c0053572-e0e5-4d28-9a4a-6ee56319e752","originalAuthorName":"闫牧夫"},{"authorName":"陈义强","id":"f719b0f3-5a6e-4e64-9e12-7d1967ea748d","originalAuthorName":"陈义强"}],"doi":"10.3321/j.issn:0412-1961.2008.10.005","fpage":"1171","id":"7ef81f0b-5c80-4f46-a6b3-697a6fed79ae","issue":"10","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"1477b4cc-9f53-4e51-ae69-e65f59cb3747","keyword":"低体积分数","originalKeyword":"低体积分数"},{"id":"c83150d4-c9c4-457c-a9ef-5960ef6dcf0c","keyword":"相析出","originalKeyword":"相析出"},{"id":"fb7084d2-003d-4491-a3ab-d80084254870","keyword":"相场模拟","originalKeyword":"相场模拟"}],"language":"zh","publisherId":"jsxb200810005","title":"低体积分数相析出过程的相场模拟","volume":"44","year":"2008"},{"abstractinfo":"采用外标转换谱指数(tSIE)作为淬灭校正因子,通过研究闪烁液及样品总体积、闪烁液用量的影响获得液闪测氚时的最佳计数条件。结果表明,对于22 mL标准玻璃计数瓶,最佳计数体积为7~17 mL,体积过少或过多可导致高到10%以上的测量误差,这主要是由液闪谱仪光电倍增管的面响应特性引起的。在获得的最佳计数体积基础上,对闪烁液的用量进行了研究。为了获得好的测量结果,闪烁液与样品的比例应高于2.4。另外,还通过实验研究了光照对测量结果的影响。在实验室条件下,实验室灯光及自然光所引起的本底辐射在样品静置2h后将不会对测量结果构成影响。","authors":[{"authorName":"陈志林","id":"fcc205ba-e8e5-44ab-bbaf-0ae1f57bcc66","originalAuthorName":"陈志林"},{"authorName":"孟丹","id":"8f6ee3fb-f19e-4c3e-8a20-3de00ade61cc","originalAuthorName":"孟丹"},{"authorName":"李君利","id":"8f8b6b63-9a3b-4e5b-9265-03ff68445e4c","originalAuthorName":"李君利"},{"authorName":"邱睿","id":"6f57e91c-8e39-43db-9512-411ab3190a93","originalAuthorName":"邱睿"},{"authorName":"彭述明","id":"16eda7c4-7c44-465f-9c41-f403df1f0598","originalAuthorName":"彭述明"},{"authorName":"PENG Shuming","id":"7cea5d81-d80b-4f58-9780-397e93e7c4c6","originalAuthorName":"PENG Shuming"}],"doi":"10.11804/NuclPhysRev.31.01.058","fpage":"58","id":"59bca356-74bf-4d68-afab-a12899328c61","issue":"1","journal":{"abbrevTitle":"YZHWLPL","coverImgSrc":"journal/img/cover/YZHWLPL.jpg","id":"78","issnPpub":"1007-4627","publisherId":"YZHWLPL","title":"原子核物理评论 "},"keywords":[{"id":"2f3eaa7b-09a6-4eb0-8772-9d3cd49ff99c","keyword":"氚测量","originalKeyword":"氚测量"},{"id":"618df0e2-2c2d-4ae5-a335-8a52e6ab3ee3","keyword":"液闪","originalKeyword":"液闪"},{"id":"53d6513f-b216-446d-8628-ac29fc9e5f52","keyword":"体积效应","originalKeyword":"体积效应"},{"id":"9b8c031b-6828-476c-9cb8-52d5749e98e4","keyword":"计数条件","originalKeyword":"计数条件"}],"language":"zh","publisherId":"yzhwlpl201401011","title":"考虑体积效应的液闪测氚计数条件优化研究","volume":"","year":"2014"},{"abstractinfo":"基于钛合金的基本组成相α与β的晶体结构特点及原子配位关系,定义了能够判断退火与淬火态钛合金中β稳定元素稳定能力的退火临界晶胞系数CMkt和淬火临界晶胞系数CMkz.在不同热处理条件下,β稳定元素稳定能力不同,这与其原子外层电子结构状态及原子分数xMat有关,即CMkt与CMkz愈大,β稳定元素M的稳定能力愈强,∑xMat,∑CMkt,∑CMkz愈大,钛合金室温组织中β相的体积分数愈多.在CMkt,CMkz及xMat计算的基础上,给出了近似计算了退火态、淬火态钛合金室温组织中α与β相体积分数的方法,计算值与实验值基本符合.","authors":[{"authorName":"屈华","id":"48f015c9-31f1-4e25-9b89-9b7459d0d4d8","originalAuthorName":"屈华"},{"authorName":"刘伟东","id":"80515b55-079c-43ed-b9e1-baf16a7f2298","originalAuthorName":"刘伟东"},{"authorName":"刘志林","id":"0f22d83a-bf99-4fd8-b384-e174375fbf5b","originalAuthorName":"刘志林"}],"doi":"10.3321/j.issn:0412-1961.2006.04.007","fpage":"374","id":"49cef49f-1b64-405f-afed-b7ad22deb988","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":"65c1c873-e85f-4c7d-906f-5b1cedddc2c5","keyword":"钛合金","originalKeyword":"钛合金"},{"id":"445d92d2-656c-4ecc-8a7f-7cb7b9770549","keyword":"相体积分数计算","originalKeyword":"相体积分数计算"},{"id":"3047acd0-d072-4241-a653-e4a1278fe9b2","keyword":"淬火","originalKeyword":"淬火"},{"id":"baaa7770-3aa1-4b99-83cf-7abd2cc20216","keyword":"退火","originalKeyword":"退火"}],"language":"zh","publisherId":"jsxb200604007","title":"退火与淬火态钛合金中β相体积分数的近似计算","volume":"42","year":"2006"},{"abstractinfo":"采用Al2O3、Y2O3为助烧剂,热压烧结获得了致密的α-SiC和β-SiC陶瓷,研究了起始粉末的性能对烧结体的物相组成和显微结构的影响。实验结果表明,Al2O3、Y2O3原位形成了YAG,材料以液相烧结机制致密化,并通过溶解和再析出机制,促进晶体生长。物相分析表明,β-SiC陶瓷粉末在烧结过程中发生了β→α的相变。显微结构观察显示,β-SiC陶瓷中生成了长柱状晶粒。","authors":[{"authorName":"武安华","id":"15abec7f-d864-40f7-b682-f4eca7cae5b1","originalAuthorName":"武安华"},{"authorName":"曹文斌","id":"c93bd220-6a0e-4734-b8ab-137b9a839010","originalAuthorName":"曹文斌"},{"authorName":"李江涛","id":"219ed59c-3dac-475e-88ae-e8d6434e5094","originalAuthorName":"李江涛"},{"authorName":"葛昌纯","id":"20b540ec-3c87-4beb-ac8e-524a0f1b798e","originalAuthorName":"葛昌纯"}],"doi":"10.3969/j.issn.1001-1625.2001.02.012","fpage":"55","id":"ce0b045e-083e-44b0-bb5f-171b45938168","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":"3d972317-327f-44e3-b5dc-74e3b279f5f0","keyword":"液相烧结","originalKeyword":"液相烧结"},{"id":"8d5f7d7d-7144-479c-84b8-9e7d3c47215c","keyword":"SiC","originalKeyword":"SiC"},{"id":"546a791c-4ecb-4298-acef-31c9d3812288","keyword":"显微结构","originalKeyword":"显微结构"}],"language":"zh","publisherId":"gsytb200102012","title":"液相烧结SiC陶瓷","volume":"20","year":"2001"},{"abstractinfo":"本文以理想Ⅱ类超导磁化曲线方程为基础,应用典型热力学方法对理想Ⅱ类超导体在Hc1相变曲线上的体积效应进行讨论.经过热力学唯象理论讨论,揭示了理想Ⅱ类超导体在Hc1相变曲线上的相变体积效应的二级相变特征.","authors":[{"authorName":"俞建群","id":"1fee6865-e5e4-4008-b5e8-cdbd8a4f2784","originalAuthorName":"俞建群"},{"authorName":"徐政","id":"9e8f6db8-341a-4431-9427-b990a998d08f","originalAuthorName":"徐政"},{"authorName":"卢定伟","id":"f5d9c07e-4255-4b7c-9e60-8fed3b6ef428","originalAuthorName":"卢定伟"},{"authorName":"金新","id":"84c2c099-ba60-4499-9505-b9fc3468a203","originalAuthorName":"金新"}],"doi":"10.3969/j.issn.1000-3258.2000.05.011","fpage":"388","id":"a1bc8d85-73b2-4ffe-8f54-eb4df53cc7b9","issue":"5","journal":{"abbrevTitle":"DWWLXB","coverImgSrc":"journal/img/cover/DWWLXB.jpg","id":"19","issnPpub":"1000-3258","publisherId":"DWWLXB","title":"低温物理学报 "},"keywords":[{"id":"77e0802a-9abe-4190-9f02-e5a0206a8546","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"dwwlxb200005011","title":"理想Ⅱ类超导体在Hc1相变曲线上的体积效应","volume":"22","year":"2000"},{"abstractinfo":"采用直接调控增塑相摩尔分数的方法成功制备了系列含有bcc枝晶相的(Ti32.8Zr30.2Ni5.3Cu9Be22.7)100-x(Ti61.5-Zr36.4Cu2.1)x(x=10-95)非晶复合材料.采用XRD,SEM和DSC等方法研究了不同x值下枝晶相的体积分数以及形貌的变化规律,并利用TEM研究了内生枝晶相的结构和两相界面结构.结果表明,在Ti32.8Zr30.2Ni5.3Cu9Be22.7合金中直接添加不同量的Ti61.5Zr36.4Cu2.1合金能够有效地控制内生枝晶相的析出量,获得界面结合良好的非晶复合材料,且枝晶相的尺寸及体积分数与x值成正比.室温压缩实验结果表明,当x>30时,复合材料的塑性变形能力可得到明显改善.x值越大,枝晶相体积分数越高,复合材料屈服强度越低,塑性改善效果越明显.不同体积分数的复合材料均表现出明显的加工硬化现象.当x=90时,复合材料的塑性变形量达到14.4%,断裂极限强度达1917MPa.","authors":[{"authorName":"唐明强","id":"c4d0ee35-8c89-4b8a-a160-4e2ab477eb5d","originalAuthorName":"唐明强"},{"authorName":"朱正旺","id":"bc5d507e-0dc0-41fe-8d43-384d4e1c6c6e","originalAuthorName":"朱正旺"},{"authorName":"付华萌","id":"d690b505-3e7b-4f61-af6b-d9b3efb00d15","originalAuthorName":"付华萌"},{"authorName":"王爱民","id":"f5a716d9-7c0d-4266-86e6-55cad3dfbc16","originalAuthorName":"王爱民"},{"authorName":"李宏","id":"ddcc1c48-e906-4752-830f-df1d799c4ac7","originalAuthorName":"李宏"},{"authorName":"张宏伟","id":"abad72ac-1582-4f89-b052-4e99846754c1","originalAuthorName":"张宏伟"},{"authorName":"马国锋","id":"aa77e667-448e-4a4e-a4af-63b362c8f92a","originalAuthorName":"马国锋"},{"authorName":"张海峰","id":"8cb0595d-efc2-4f38-999b-16373a4301e2","originalAuthorName":"张海峰"},{"authorName":"胡壮麒","id":"1e32bed8-4159-41ba-a76f-61586f6f91e5","originalAuthorName":"胡壮麒"}],"doi":"10.3724/SP.J.1037.2012.00198","fpage":"861","id":"d182ea68-a076-47a1-b65c-e5f43bd20986","issue":"7","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"d237c97b-cc4d-4b8d-bf8d-22b5bd45b0de","keyword":"钛基非晶合金","originalKeyword":"钛基非晶合金"},{"id":"67c88331-c615-4b6a-a16a-4cc8e78d0d01","keyword":"树枝晶","originalKeyword":"树枝晶"},{"id":"a12e541d-3b05-47da-9611-4cbd3290dcc0","keyword":"内生复合材料","originalKeyword":"内生复合材料"},{"id":"6ccb67d6-aa12-432f-9502-a2cba93dd253","keyword":"力学性能","originalKeyword":"力学性能"}],"language":"zh","publisherId":"jsxb201207013","title":"内生枝晶相体积分数可控的钛基非晶复合材料","volume":"48","year":"2012"}],"totalpage":5730,"totalrecord":57297}