{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"采用双频电感应加热、压缩空气欠速淬火技术研制的PD3 75 kg/m含钒微合金热处理钢轨，钢轨成分(%)：C 0.74～0.81，Si 0.60～0.90，Mn 0.70～1.05，V 0.05～0.12。热处理钢轨硬化层深度≥15 mm，HRC≥36.0，硬化层组织为全细珠光体，σ0.2=890～1 010 MPa，σb=1 290～1 390 MPa，δ5=10 %～13 %，常温aku=20～32 J/cm2，KIC平均值为46.3 MPa*m1/2。该钢轨强度高、韧性好。使用寿命比同线路的U74和U71Mn热轧钢轨大幅度延长。","authors":[{"authorName":"邓建辉","id":"45007f23-9c13-4a6a-8f92-619b406f6fdd","originalAuthorName":"邓建辉"},{"authorName":"雷秀华","id":"ed2e1a3f-eb9b-4e3c-be0a-34c4c0de5c38","originalAuthorName":"雷秀华"},{"authorName":"刘晓华","id":"e6022ceb-a631-4709-9378-da6acae5d8f4","originalAuthorName":"刘晓华"},{"authorName":"<span style=\"color:red\">敬</span><span style=\"color:red\">越</span>","id":"c7be670c-0c11-4df7-94e8-221a7f5ad24c","originalAuthorName":"敬越"}],"doi":"","fpage":"45","id":"6e7bdca1-8f8f-4609-89ff-31ee75b52d26","issue":"3","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"42e8126a-54c7-4d10-9708-6e7c011fde3a","keyword":"合金钢轨","originalKeyword":"合金钢轨"},{"id":"4a01b909-f2bb-4fed-be71-05e16b8c24d3","keyword":"热处理","originalKeyword":"热处理"},{"id":"efb83275-8f6c-40aa-8053-feb85c3d765d","keyword":"组织性能","originalKeyword":"组织性能"}],"language":"zh","publisherId":"gt200103014","title":"PD3 75 kg/m含钒微合金热处理钢轨","volume":"36","year":"2001"},{"abstractinfo":"<span style=\"color:red\">敬</span>钊毒素-Ⅰ(JZTX-Ⅰ)是一种能够抑制心肌钠通道失活的新型蜘蛛神经毒素,该文结合高效液相色谱与色氨酸荧光测定技术研究了JZTX-Ⅰ的磷脂膜结合活性.脂质体共沉淀实验表明,JZTX-Ⅰ具有不依赖于带负电荷磷脂组成的生物膜结合活性.当加入由酸性或中性磷脂构成的脂质体后,JZTX-Ⅰ能够分别产生6.4和4.7 nm的蓝移以及7.4和8.0 nm的红移激发漂移,显示JZTX-Ⅰ能够插入磷脂膜,同时该分子疏水表面的色氨酸残基处于一个运动受限的界面区域.荧光淬灭实验进一步证实,与脂质体结合能够减少该毒素分子表面色氨酸残基的溶剂暴露.该研究结果为阐明JZTX-Ⅰ的离子通道门控调节机制提供了新的信息.","authors":[{"authorName":"曾雄智","id":"9b393e77-8d21-44ca-9bbc-7554a02a4e32","originalAuthorName":"曾雄智"},{"authorName":"皮建辉","id":"c346a235-c406-4813-ba47-ab9b1dc68f5a","originalAuthorName":"皮建辉"},{"authorName":"梁宋平","id":"45500a10-8f17-4281-b025-e105eec7e964","originalAuthorName":"梁宋平"}],"doi":"10.3321/j.issn:1000-8713.2007.06.007","fpage":"825","id":"a1a48e1a-fe93-478a-b99e-10a0e96e1569","issue":"6","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"c0afef05-0bcf-42cf-bf32-2c1c1cf11d91","keyword":"高效液相色谱","originalKeyword":"高效液相色谱"},{"id":"dace6191-0e0e-4fed-8503-fd40de844bfd","keyword":"荧光谱","originalKeyword":"荧光谱"},{"id":"f40c1420-26b1-49dc-be06-8b9ee2c43656","keyword":"单层小脂质体","originalKeyword":"单层小脂质体"},{"id":"1f6e8cea-94cd-493a-8af8-8c8c2d513379","keyword":"<span style=\"color:red\">敬</span>钊毒素-Ⅰ","originalKeyword":"敬钊毒素-Ⅰ"}],"language":"zh","publisherId":"sp200706007","title":"高效液相色谱-荧光检测法测定<span style=\"color:red\">敬</span>钊毒素-Ⅰ的磷脂膜结合活性","volume":"25","year":"2007"},{"abstractinfo":"载流子迁移率是半导体材料的一项重要参数,而有机材料的载流子迁移率较低,限制了一些传统方法的使用.文章建立了一套用于测量有机材料载流子迁移率的渡<span style=\"color:red\">越</span>时间(TOF)法实验系统,着重介绍了实验系统中各元件的作用及要求,实验关键技术参数等.该实验系统的主要特点是把激发光源同时作为外触发光源,消除实验中杂散信号的干扰,得到清晰的信号.同时利用实验系统对无机材料Se,有机共轭聚合物材料MEH PPV的载流子迁移率进行测量,结果表明:该实验系统组建方便,快捷,可以较好用于测量有机材料低载流子迁移率,具有一定的实用价值.","authors":[{"authorName":"康兰兰","id":"a6cebf7d-4995-48c9-9bcd-a483b9890838","originalAuthorName":"康兰兰"},{"authorName":"郭兴","id":"3199b521-63a3-410b-86a4-3009613980a0","originalAuthorName":"郭兴"},{"authorName":"王蓉","id":"e57d32f2-104c-47c0-b835-1f8c6ca6bc6f","originalAuthorName":"王蓉"},{"authorName":"康智慧","id":"920a0396-cfbd-4bd5-b4a8-480655e94574","originalAuthorName":"康智慧"},{"authorName":"高锦岳","id":"0e9464b4-3d7f-4742-b977-97e1243c7593","originalAuthorName":"高锦岳"}],"doi":"10.3788/YJYXS20132805.0810","fpage":"810","id":"7c3a8fdf-0ac1-4047-89c9-caddbc8383ac","issue":"5","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示   "},"keywords":[{"id":"2689a243-2445-47c9-a13e-a8237167f81c","keyword":"渡<span style=\"color:red\">越</span>时间","originalKeyword":"渡越时间"},{"id":"0bcdfc70-a2d9-4c5a-b0e8-fffdfb22d52c","keyword":"载流子迁移率","originalKeyword":"载流子迁移率"},{"id":"90469664-b3e0-46a5-8758-dc092a384e99","keyword":"Se","originalKeyword":"Se"},{"id":"91788dcf-9cfd-4b16-b518-22d52d59c4c1","keyword":"MEH-PPV","originalKeyword":"MEH-PPV"}],"language":"zh","publisherId":"yjyxs201305030","title":"渡<span style=\"color:red\">越</span>时间方法测量系统研究","volume":"28","year":"2013"},{"abstractinfo":"应用芴甲氧羰基(Fmoc)固相方法化学合成了<span style=\"color:red\">敬</span>钊毒素-V(JZTX-V)分子N-端酪氨酸残基剪切体(Y1-JZTX-V),并且通过反相高效液相色谱和质谱对不同条件下的氧化复性结果进行监测,从而得到该剪切体的最佳氧化复性条件:0.1 mol/L Tris-HCl缓冲液、pH 7.50、1 mmol/L还原型谷胱甘肽(GSH)、0.1 mmol/L氧化型谷胱甘肽(GSSG)、样品浓度为0.05 mg/L、复性温度为4 ℃.膜片钳电生理实验结果显示<span style=\"color:red\">敬</span>钊毒素-V剪切体Y1-JZTX-V对大鼠背根神经节(DRG)细胞上表达的河豚毒素不敏感型(TTX-R)与河豚毒素敏感型(TTX-S)钠电流均有抑制作用,其半数抑制浓度(IC50)分别为(160±2.5)nmol/L和(39.6±3.2)nmol/L.与天然的<span style=\"color:red\">敬</span>钊毒素-V相比,该剪切体对大鼠DRG细胞上的TTX-S钠电流的抑制作用基本一致,但对TTX-R钠电流的抑制作用却大大降低,表明<span style=\"color:red\">敬</span>钊毒素-V分子N-端的酪氨酸残基是一个与TTX-R钠通道结合活性相关的氨基酸残基.","authors":[{"authorName":"全妙华","id":"010c6118-324d-49c8-bd2b-43494f7b1d91","originalAuthorName":"全妙华"},{"authorName":"曾雄智","id":"84148e13-babb-42e8-93cb-695c0f87954a","originalAuthorName":"曾雄智"},{"authorName":"皮建辉","id":"40b4cde9-1c10-4733-b986-7acc689329a0","originalAuthorName":"皮建辉"},{"authorName":"邓梅春","id":"8ec9e42b-c49b-4e55-913f-788f6c28b069","originalAuthorName":"邓梅春"},{"authorName":"梁宋平","id":"03a914bd-da2f-4a12-ad67-926199ad190f","originalAuthorName":"梁宋平"}],"doi":"10.3321/j.issn:1000-8713.2007.04.011","fpage":"501","id":"d890747c-b13b-4e1a-b37c-e9ab6b0339e7","issue":"4","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"9285859d-c277-4682-bc0c-6cd4b2bd75b6","keyword":"化学合成","originalKeyword":"化学合成"},{"id":"7dce1649-0e21-430f-817a-c77ed34e8010","keyword":"<span style=\"color:red\">敬</span>钊毒素-V剪切体","originalKeyword":"敬钊毒素-V剪切体"},{"id":"eb60fa2b-caae-4c00-b5a9-fa5b283d6bad","keyword":"复性","originalKeyword":"复性"},{"id":"9ae73dc8-d148-4f5c-8e9a-931847dd8d53","keyword":"钠离子通道","originalKeyword":"钠离子通道"}],"language":"zh","publisherId":"sp200704011","title":"<span style=\"color:red\">敬</span>钊毒素-V剪切体Y1-JZTX-V的化学合成与氧化复性及其钠通道活性鉴定","volume":"25","year":"2007"},{"abstractinfo":"本文针对超声波气体流量计,提出了一种基于模型的超声波渡<span style=\"color:red\">越</span>时间测量的新方法.该方法首先通过超声波接收探头获取声波信号,然后建立超声波接收信号从起振到稳定的数学模型,最后通过模型参数拟合得到渡<span style=\"color:red\">越</span>时间参数最优值.作为初步研究,在内径100 mm管径下分别进行了静态和动态渡<span style=\"color:red\">越</span>时间测量实验.研究结果表明,建立的超声波接收信号的模型是有效的,提出的基于模型的超声波气体流量计渡<span style=\"color:red\">越</span>时间测量方法是可行的.","authors":[{"authorName":"姜燕丹","id":"b24736c2-b2b8-452d-a9a2-f3a1ec394b31","originalAuthorName":"姜燕丹"},{"authorName":"王保良","id":"a176174f-e3e3-4ecb-85e2-42d16a18e3ca","originalAuthorName":"王保良"},{"authorName":"黄志尧","id":"c1e689ec-ea99-433d-8189-80e5654ef725","originalAuthorName":"黄志尧"},{"authorName":"冀海峰","id":"b6c869a8-6d99-45b1-b963-d846be340ec2","originalAuthorName":"冀海峰"},{"authorName":"李海青","id":"849895c0-2c74-4a08-a52e-f9a982ee19e0","originalAuthorName":"李海青"}],"doi":"","fpage":"1501","id":"263344f5-a17f-4780-8499-28159b2d69fc","issue":"7","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":"f0d33230-e816-4ee2-852f-9370517a8913","keyword":"超声波气体流量计","originalKeyword":"超声波气体流量计"},{"id":"283c5a81-580a-4b31-95df-14202d0c712b","keyword":"渡<span style=\"color:red\">越</span>时间测量","originalKeyword":"渡越时间测量"},{"id":"eab99902-84e9-402a-84a3-a873bac25173","keyword":"数学模型","originalKeyword":"数学模型"},{"id":"ef594355-70d4-45dc-9ae9-87fbb2c475eb","keyword":"参数拟合","originalKeyword":"参数拟合"}],"language":"zh","publisherId":"gcrwlxb201507024","title":"基于模型的超声波渡<span style=\"color:red\">越</span>时间测量方法研究","volume":"36","year":"2015"},{"abstractinfo":"本文给出了准确描述硅雪崩渡<span style=\"color:red\">越</span>时间二极管工作特性的大信号仿真模型,研究了影响硅雪崩<span style=\"color:red\">越</span>时间(IMPATY,Impact Avalanche Transit Time)二极管工作状态的离化率和饱和漂移速度,考虑Si-IMPATT二极管热限制的条件下,计算了二极管的最大工作电流.通过大信号仿真分析,我们得到如下结果:(1)随着温度的降低,二极管输出功率提高;(2)随着温度的降低,二极管工作频率向高端偏移,本文还建立了液氮制冷环境下IMPATT振荡器的测试系统,与常温工作相比,77K低温环境下IMPATT二极管的输出功率提高了47.8%,频率也向高端偏移了6.3%,实验结果与仿真预测一致.","authors":[{"authorName":"吴涛","id":"d30b157f-f86b-473b-97c0-2526c474501e","originalAuthorName":"吴涛"},{"authorName":"祝大龙","id":"b22f0258-94ac-4144-bd2f-82a72db575b3","originalAuthorName":"祝大龙"},{"authorName":"徐金平","id":"75ea65e5-157e-424d-aa5a-4b8a04153661","originalAuthorName":"徐金平"},{"authorName":"王霄","id":"cc050f7b-22ad-421e-8c09-56c8776a593d","originalAuthorName":"王霄"}],"doi":"10.3969/j.issn.1000-3258.2008.03.004","fpage":"203","id":"58f39d1a-38b2-4dc9-ae9a-7dd2ed3894cb","issue":"3","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":"a4818e12-e17f-4b73-a148-18e7e059214e","keyword":"太赫兹","originalKeyword":"太赫兹"},{"id":"05674eb6-d984-485f-895b-eb47344cb10c","keyword":"硅崩越二极管","originalKeyword":"硅崩越二极管"},{"id":"3793ccb1-c54a-4701-b73c-6146f921bfdb","keyword":"低温","originalKeyword":"低温"},{"id":"0c3bdc6c-6aae-423b-b2e3-c30946984a48","keyword":"频率特性","originalKeyword":"频率特性"},{"id":"a4558202-98ac-4957-9b9f-bcc0e7b9bcbf","keyword":"功率特性","originalKeyword":"功率特性"}],"language":"zh","publisherId":"dwwlxb200803004","title":"太赫兹硅雪崩渡<span style=\"color:red\">越</span>时间二极管低温特性研究","volume":"30","year":"2008"},{"abstractinfo":"研究了Pr掺杂的Bi2Sr2Ca1-xPrxCu2Oy单晶的三维磁通线向二维饼涡旋的渡<span style=\"color:red\">越</span>.发现渡<span style=\"color:red\">越</span>场B2D随温度的降低而缓慢增大，随Pr含量的增加而迅速减小.认为Pr离子掺杂导致局部超导电性被抑制，CuO2面有效超导面积显著减小，削弱了CuO2层间的Josephson耦合.","authors":[{"authorName":"孙雅琴","id":"d48c0171-dfb3-44f3-993e-d278689ea12d","originalAuthorName":"孙雅琴"},{"authorName":"冯双久","id":"964479f0-2914-4d83-8af0-52165554849a","originalAuthorName":"冯双久"},{"authorName":"李广","id":"dce519c8-a4a9-451a-92a4-613dc91a0ed5","originalAuthorName":"李广"},{"authorName":"周海东","id":"35f26289-0199-4c16-acfb-94cbe57e33a6","originalAuthorName":"周海东"},{"authorName":"孙学峰","id":"7eb39414-5bad-44a3-b7c6-03dd207372c1","originalAuthorName":"孙学峰"},{"authorName":"李晓光","id":"bf08c4a8-bf40-44e9-9fdc-d1e7ac7fc2e4","originalAuthorName":"李晓光"}],"doi":"10.3969/j.issn.1000-3258.2001.03.004","fpage":"179","id":"f4dc93c0-dfa1-4cb3-81af-3136e24098c3","issue":"3","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":"fd7ec866-44ce-4938-ba1d-026f814d01b8","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"dwwlxb200103004","title":"Pr掺杂Bi2Sr2Ca1-xPrxCu2Oy体系维数渡<span style=\"color:red\">越</span>的研究","volume":"23","year":"2001"},{"abstractinfo":"","authors":[],"doi":"","fpage":"71","id":"bccd3775-b4ec-48b3-8d0e-3c82ff3b5451","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":"5ad3e614-8f26-4dd9-bb8e-4fafa59228f2","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"bqclkxygc200005016","title":"材料科学与工程专家——周<span style=\"color:red\">敬</span>恩","volume":"23","year":"2000"},{"abstractinfo":"","authors":[],"doi":"","fpage":"44","id":"dac85f7b-8970-4f5b-973b-05bfcf27fb1e","issue":"5","journal":{"abbrevTitle":"JSSJ","coverImgSrc":"journal/img/cover/3abe017a-2574-4821-8152-4ae974ef0471.jpg","id":"47","issnPpub":"1000-6826","publisherId":"JSSJ","title":"金属世界"},"keywords":[{"id":"792fe666-a7b0-4d9d-8b3e-913d530ba7ba","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"jssj200505017","title":"镍尾矿堆放<span style=\"color:red\">越</span>久潜在污染性越小","volume":"","year":"2005"},{"abstractinfo":"采用傅立叶转换红外光谱法(FT-IR)对四溴双酚A环氧树脂/二氨基二苯砜(TBBPAER/DDS)固化体系在不同温度下的固化过程进行了研究.结果表明,反应条件从低温改变到高温,固化体系固化过程的反应机理是由自催化反应机理过渡到n级反应机理的,中间有一渡越过程.","authors":[{"authorName":"姚兴芳","id":"7123f73f-5bf4-4e76-ac5f-73f0ef51abdd","originalAuthorName":"姚兴芳"},{"authorName":"巴信武","id":"28a1978a-eed9-4ecd-a74b-9585e69434bf","originalAuthorName":"巴信武"},{"authorName":"彭政","id":"5f98331b-a7b1-413c-9ecc-608fef88cfc5","originalAuthorName":"彭政"},{"authorName":"焦会云","id":"c583c4fd-5800-45d4-8e7b-25b60d0d9b70","originalAuthorName":"焦会云"},{"authorName":"赵敏","id":"a007e143-46c3-4b5f-b7c9-70b9029341fe","originalAuthorName":"赵敏"},{"authorName":"张荣珍","id":"b6cf4df3-10f6-451e-bce7-df140f62c438","originalAuthorName":"张荣珍"}],"doi":"","fpage":"41","id":"04a7748c-8aeb-4f1a-b416-2fd5783863e0","issue":"6","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"3f5b7664-9c8e-4090-b963-a16930b2e658","keyword":"环氧树脂","originalKeyword":"环氧树脂"},{"id":"c3696ab2-08cb-4d86-9f0b-5266cdf29b4b","keyword":"固化机理","originalKeyword":"固化机理"},{"id":"81aef61c-da82-491c-9404-04210e31197e","keyword":"渡<span style=\"color:red\">越</span>","originalKeyword":"渡越"}],"language":"zh","publisherId":"gfzclkxygc200206010","title":"环氧树脂固化过程两种固化机理的渡<span style=\"color:red\">越</span>","volume":"18","year":"2002"}],"totalpage":302,"totalrecord":3012}