{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"通过对唐古拉山小冬克玛底冰川雪坑中非季风季节沉积的雪样分别进行酸化处理和消解处理后,利用高分辨扇形磁场等离子体质谱仪( ICP?SFMS)测试了样品中19种痕量元素( Ba、U、Sr、Rb、Tl、Mo、Cs、Pb、Sb、V、Cr、Mn、Fe、Co、Al、Cu、Ti、Li、As)的酸化浓度和总浓度.研究结果表明,痕量元素浓度的变化范围较大,元素Al的最大/最小浓度比为326(酸化浓度)和465(总浓度),元素Pb相应比值为27和48.雪冰中痕量元素的总浓度一般大于该元素的酸化浓度,其中,元素Pb、Fe、Sb、Ba、Al、Ti的酸化浓度占总浓度的平均比值分别为91%、76%、60%、52%、33%和21%.一般地,样品中不溶微粒含量越大,酸化浓度占总浓度的比值越小;不溶微粒含量越小,则相反.对痕量元素的富集系数( EF)分析表明,各元素总浓度EF均值小于酸化浓度EF均值,揭示了用酸化浓度计算EF存在对痕量元素人为来源影响的高估.人类排放是小冬克玛底冰川中痕量元素的来源之一,对于元素Mo和Sb,人类排放估计是主要来源.利用后向轨迹模型模拟出小冬克玛底冰川雪冰中痕量元素在非季风季节主要来源于青藏高原西部及中亚中东地区.","authors":[{"authorName":"熊隆飞","id":"34ee0db1-c411-4d53-890f-af263dbd80ac","originalAuthorName":"熊隆飞"},{"authorName":"李月芳","id":"1edabe0d-2e7f-4efa-838e-85ab5a5cc427","originalAuthorName":"李月芳"},{"authorName":"李真","id":"873d5fb3-df44-487b-ab27-a512547d8858","originalAuthorName":"李真"}],"doi":"10.7524/j.issn.0254-6108.2015.03.2014070803","fpage":"520","id":"245de343-0b69-4758-b9c6-a83926db10a4","issue":"3","journal":{"abbrevTitle":"HJHX","coverImgSrc":"journal/img/cover/HJHX.jpg","id":"43","issnPpub":"0254-6108","publisherId":"HJHX","title":"环境化学 "},"keywords":[{"id":"f3499b60-9c7a-4942-8635-08998aa75797","keyword":"痕量元素","originalKeyword":"痕量元素"},{"id":"807d9b6a-9234-4421-a68c-f5485a87dcd3","keyword":"总浓度","originalKeyword":"总浓度"},{"id":"f84c81f8-5cbb-4d57-be0c-01e576cd1424","keyword":"酸化浓度","originalKeyword":"酸化浓度"},{"id":"e95f4abd-343a-42f2-b898-601838ec4928","keyword":"小冬克玛底冰川","originalKeyword":"小冬克玛底冰川"},{"id":"19c74c02-ef88-478c-a421-19e8b6aacfa6","keyword":"粉尘","originalKeyword":"粉尘"},{"id":"cd26aa91-b9ac-44cf-9e3d-8d95cb92666f","keyword":"人类排放","originalKeyword":"人类排放"}],"language":"zh","publisherId":"hjhx201503017","title":"基于两种样品前处理方法对比研究小冬克玛底冰川雪坑中痕量元素?","volume":"","year":"2015"},{"abstractinfo":"为研究选择性激光熔化(selective laser melting,SLM)成形工艺参数对镍基高温合金IN718致密度、微观组织和显微硬度的影响,借助FORWEDO LM180型SLM成形机采用不同工艺参数制备了分析试样,通过维氏硬度测试,光学和扫描电镜观测以及X射线检测方法对试样进行了测试分析.结果表明:随激光能量密度提高(激光功率起主导作用),成形试样孔隙缺陷减少,致密度显著提高;在较大激光能量密度下,合金试样微观组织生长趋于均匀,晶粒更加细小;提高激光扫描速率,造成激光辐射和冷却时间变短,合金微观组织生长方向变化显著;SLM工艺复杂的传热特点影响试样组织形貌的复杂程度;合金试样的显微硬度随着组织细化和致密化而提高.","authors":[{"authorName":"刘锦辉","id":"0637b317-8128-480a-8dd2-3cd30a480dd2","originalAuthorName":"刘锦辉"},{"authorName":"刘邦涛","id":"d444e343-c516-4888-b0f3-47ae6ffd9a65","originalAuthorName":"刘邦涛"},{"authorName":"谢雪冬","id":"f6b2fbc3-2f72-4723-9943-7a2c6a3c9af3","originalAuthorName":"谢雪冬"},{"authorName":"袁学兵","id":"53d65a95-c990-4fe3-b5f3-13db3a494592","originalAuthorName":"袁学兵"},{"authorName":"孟祥林","id":"4d210b44-b5af-4d9b-8533-1c835fc2d716","originalAuthorName":"孟祥林"}],"doi":"10.11868/j.issn.1005-5053.2015.4.001","fpage":"1","id":"59eac8e3-567d-42be-bf19-ff8eb6fa8cb2","issue":"4","journal":{"abbrevTitle":"HKCLXB","coverImgSrc":"journal/img/cover/HKCLXB.jpg","id":"41","issnPpub":"1005-5053","publisherId":"HKCLXB","title":"航空材料学报"},"keywords":[{"id":"5ea1821d-aae0-4b98-8a7f-0f033085a03e","keyword":"增材制造","originalKeyword":"增材制造"},{"id":"626286f2-88f7-464a-bd8c-228a9b58c39d","keyword":"选择性激光熔化","originalKeyword":"选择性激光熔化"},{"id":"b78d9f29-f131-4df7-915a-0a6fefc17130","keyword":"镍基高温合金","originalKeyword":"镍基高温合金"},{"id":"e527e6d6-49a8-46c1-9b26-21dabcc3cf21","keyword":"致密度","originalKeyword":"致密度"},{"id":"3f45e3ca-bfe1-4d2e-ac6b-44be5001cb6c","keyword":"微观结构","originalKeyword":"微观结构"}],"language":"zh","publisherId":"hkclxb201504001","title":"高功率光纤激光熔化成形IN718的工艺及性能","volume":"35","year":"2015"},{"abstractinfo":"雪菊是药食两用植物,又是许多保健食品的原料,有着非常大的利用价值.根据近年来国内外对雪菊的研究,综述了雪菊在抗糖尿病、抗衰老、降血脂、降血压以及抗癌等方面的药理作用,并对雪菊提取物中营养成分的提取及分析方法作了总括,详细叙述了雪菊提取物中黄酮类、挥发油、氨基酸、皂苷类、原花青素和多糖的提取及分析鉴定方法.结合雪菊这些营养成分的含量和特点加以开发利用,必定具有广阔的应用前景.","authors":[{"authorName":"方瑞萍","id":"fa06692b-5169-40ec-a6eb-b92e0077d467","originalAuthorName":"方瑞萍"},{"authorName":"唐辉","id":"74a3e90d-2bcb-41bb-a330-5a832c26eed6","originalAuthorName":"唐辉"},{"authorName":"黄剑","id":"16faca1c-480b-421c-abba-d778859623b7","originalAuthorName":"黄剑"},{"authorName":"陈瑞瑞","id":"600e374b-54a0-4379-a367-9a5478fcab0a","originalAuthorName":"陈瑞瑞"},{"authorName":"张保光","id":"d15d97da-e15e-4e34-bf06-54a8287f1be7","originalAuthorName":"张保光"}],"doi":"10.11896/j.issn.1005-023X.2014.19.028","fpage":"143","id":"082685b0-34d5-4790-b88f-9de22f10f968","issue":"19","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"9a6e3a22-4c48-49ef-ab63-c2ca1c4c0eb3","keyword":"雪菊","originalKeyword":"雪菊"},{"id":"df945f86-e29c-4a49-bad6-9252a3c1f400","keyword":"药理作用","originalKeyword":"药理作用"},{"id":"0a5d7db6-7d51-40b3-a623-9e9835084105","keyword":"营养成分","originalKeyword":"营养成分"},{"id":"1b2b9262-6921-42fc-9d1a-e962ef92a293","keyword":"分析鉴定","originalKeyword":"分析鉴定"}],"language":"zh","publisherId":"cldb201419028","title":"雪菊的药理作用及营养成分的分析方法研究进展","volume":"28","year":"2014"},{"abstractinfo":"为改善蒸养混凝土的冬期制备,研究掺加UEA对蒸养混凝土冬期制备的强度影响.不同UEA掺量的混凝土在蒸养后分别采用三种室外养护方式.其它原料配比不变,掺加UEA的蒸养混凝土在冬期制备时的各龄期抗折强度和抗压强度优于不掺的蒸养混凝土,而劣于不掺的标准养护混凝土.且随UEA掺量的增加,蒸养混凝土冬期制备的各龄期强度先增加后降低.蒸养混凝土覆膜后再转入室外养护在冬期制备中较有利于UEA的作用发挥.该养护方式下,UEA掺量为6.O%时,28 d、90 d、120 d抗折强度分别达到同龄期空白标准养护混凝土的76.8%、74.5%、77.5%,抗压强度分别达到88.3%、87.5%、83.8%.","authors":[{"authorName":"辛运来","id":"952b8d67-ff2e-4db1-876d-7d4f7b7d8b18","originalAuthorName":"辛运来"},{"authorName":"李晓","id":"3d77ae28-340c-41ff-b12c-788cf4014bdf","originalAuthorName":"李晓"}],"doi":"","fpage":"3577","id":"172c780e-4e4e-4f1d-9fbb-482128412062","issue":"12","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"17cf45e1-824c-4caf-8a5a-98d4651fcbbd","keyword":"蒸养混凝土","originalKeyword":"蒸养混凝土"},{"id":"581b6ff1-4549-494f-a1d6-37cbd2615a3e","keyword":"养护","originalKeyword":"养护"},{"id":"044b2508-6259-4fac-8307-ba0987338d4d","keyword":"UEA","originalKeyword":"UEA"},{"id":"0072f68b-8abd-4d9b-92f0-77a2e2d3d247","keyword":"强度","originalKeyword":"强度"}],"language":"zh","publisherId":"gsytb201512031","title":"UEA对冬期制备蒸养混凝土的强度发展影响","volume":"34","year":"2015"},{"abstractinfo":"阐述了聚天门冬氨酸酯涂料技术,以及用于钢制品上的双组分防腐蚀涂料的配制方法.聚天门冬氨酸酯涂料与常规的两涂层涂料和三涂层涂料相比有不少优点,其重涂间隔时间更短,加快了涂料施工应用过程,降低了费用.通过人工加速老化实验说明了该产品有良好的耐老化性能.","authors":[{"authorName":"廖有为","id":"162de774-f6e2-4f51-9c8d-d1c8e643c697","originalAuthorName":"廖有为"},{"authorName":"熊平凡","id":"831f0a57-9fa7-4f90-a18d-46dbd6b69878","originalAuthorName":"熊平凡"},{"authorName":"赵舒超","id":"ff30eb7c-2bf1-48ce-8754-444f84629f56","originalAuthorName":"赵舒超"},{"authorName":"曹树印","id":"64626739-1dc5-4996-98d1-6e4538e2216f","originalAuthorName":"曹树印"}],"doi":"10.3969/j.issn.0253-4312.2006.03.013","fpage":"38","id":"65d712f1-32cf-4d44-a0b0-8487ee342202","issue":"3","journal":{"abbrevTitle":"TLGY","coverImgSrc":"journal/img/cover/TLGY.jpg","id":"61","issnPpub":"0253-4312","publisherId":"TLGY","title":"涂料工业 "},"keywords":[{"id":"e20da00d-0f80-463c-8a38-221b38892ea2","keyword":"聚天门冬氨酸酯","originalKeyword":"聚天门冬氨酸酯"},{"id":"f150b531-779f-4a3e-b871-39e9be22a6d4","keyword":"双组分防腐蚀涂料","originalKeyword":"双组分防腐蚀涂料"},{"id":"fc1a6add-bcd0-4d79-90f1-0f9b9e58f9f7","keyword":"重涂时间","originalKeyword":"重涂时间"},{"id":"4c8a9108-eae6-431e-bd0a-8146ddeb2861","keyword":"耐老化性","originalKeyword":"耐老化性"}],"language":"zh","publisherId":"tlgy200603013","title":"聚天门冬氨酸酯涂料的研制与应用","volume":"36","year":"2006"},{"abstractinfo":"介绍了L-天门冬酰氨、多聚甲醛与C60反应生成C60吡咯烷衍生物的合成、分离及其润滑性能的测试.通过FTIR、UV-vis光谱鉴定为C60衍生物.四球机试验表明加了C60-天门冬酰氨后,可有效提高润滑添加剂OPZ的抗磨性能.","authors":[{"authorName":"官文超","id":"c676ffbf-e940-4f07-82cd-656d6e2e76b0","originalAuthorName":"官文超"},{"authorName":"申春迎","id":"3bc42afd-eb45-452f-8df2-e5a1161fd2df","originalAuthorName":"申春迎"}],"doi":"10.3969/j.issn.1001-1560.2002.09.012","fpage":"29","id":"d310cf25-8c58-4fa7-8233-cd9a9e665a0e","issue":"9","journal":{"abbrevTitle":"CLBH","coverImgSrc":"journal/img/cover/CLBH.jpg","id":"7","issnPpub":"1001-1560","publisherId":"CLBH","title":"材料保护"},"keywords":[{"id":"7d1a24b7-8fc0-40bd-8981-0eaf1b5859a8","keyword":"富勒烯衍生物","originalKeyword":"富勒烯衍生物"},{"id":"d8a39efe-9940-4bf1-804b-7b4d85d089c6","keyword":"天门冬酰氨","originalKeyword":"天门冬酰氨"},{"id":"6bf0047c-97d9-4a1a-9473-f17fc20aa9d0","keyword":"润滑","originalKeyword":"润滑"}],"language":"zh","publisherId":"clbh200209012","title":"天门冬酰氨的合成及其润滑性能初探","volume":"35","year":"2002"},{"abstractinfo":"提出了一种用于高温超导滤波器制作的新结构窄带广义切比雪夫函数高、低通滤波器级联方式.该方式利用高温超导低插损特性,可以有效地降低极陡峭广义切比雪夫函数低通、高通滤波器的带边频滚降.依靠高、低通滤波器级联方式构建新形式的窄带极陡峭低插损高温超导滤波器,并与已有高温超导滤波器进行了比较分析.","authors":[{"authorName":"刘娟秀","id":"8a0163ce-fbdd-4ddc-ae4f-ae7f603bf6a6","originalAuthorName":"刘娟秀"},{"authorName":"羊恺","id":"406ff082-47a2-4610-ab0f-be28b3051b4f","originalAuthorName":"羊恺"},{"authorName":"罗正祥","id":"2fdb636c-7d83-44d8-b88b-aab50afabdc2","originalAuthorName":"罗正祥"},{"authorName":"补世荣","id":"06a5ffc6-2878-42e9-9629-55fc4f60a4b4","originalAuthorName":"补世荣"},{"authorName":"张天良","id":"57b2a6d2-fa69-443e-a6fd-66895fa8745d","originalAuthorName":"张天良"},{"authorName":"宁俊松","id":"136cb3a1-08dc-4cf1-805f-b0c78d997ee9","originalAuthorName":"宁俊松"}],"doi":"10.3969/j.issn.1000-3258.2005.z1.054","fpage":"667","id":"5d256253-ac87-4fb5-8eed-342dcd919b47","issue":"z1","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":"c3544efa-16b7-44c6-a124-1e38325993b1","keyword":"高温超导","originalKeyword":"高温超导"},{"id":"f6796b15-9081-414a-8f77-bd4579b425c4","keyword":"微波","originalKeyword":"微波"},{"id":"e7c19cd7-4fa2-4d80-9f3f-8cb924715f14","keyword":"滤波器","originalKeyword":"滤波器"}],"language":"zh","publisherId":"dwwlxb2005z1054","title":"高温超导窄带广义切比雪夫函数滤波器","volume":"27","year":"2005"},{"abstractinfo":"滇西北雪鸡坪铜矿床产于印支晚期石英二长闪长玢岩-石英闪长玢岩-石英二长斑岩复式侵入体内,为经历了多阶段热液成矿作用的斑岩型铜矿床.综合前人从区域地质背景、矿床地质特征、含矿岩体地球化学及成岩成矿时代等多方面的研究发现,针对雪鸡坪铜矿区经济效益的研究相对不足.利用雪鸡坪铜矿区生产勘探的相关数据资料,对勘查区资源开发经济指标参数进行概略评价,并在此基础上采用敏感性模糊分析法探讨了影响矿区生产勘探经济效益的综合敏感性因素.结果表明:价格因素是影响矿区经济效益的综合敏感因素,其次是成本因素、投资因素和规模因素.同时,分析认为从目前圈定的主矿体KT1和KT2的资源储量看,勘查区域的资源开发具有良好的经济效益.","authors":[{"authorName":"刘云超","id":"4c4f3c8f-48fe-4d55-854f-6f73ceae819d","originalAuthorName":"刘云超"},{"authorName":"张世涛","id":"1709e1c4-49a2-455a-b00d-db21538776d3","originalAuthorName":"张世涛"},{"authorName":"谢志鹏","id":"010a94a1-ca03-48c1-b883-978bb24b61e2","originalAuthorName":"谢志鹏"},{"authorName":"吴松","id":"310de927-0fbf-4748-8554-0d58c869f4c8","originalAuthorName":"吴松"},{"authorName":"张世权","id":"2004a60b-feaf-4f49-8f00-93a8e1d7d095","originalAuthorName":"张世权"}],"doi":"10.11792/hj20170301","fpage":"1","id":"386fc548-9636-405f-a007-b23bd3ec5795","issue":"3","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"2fa78cb7-6422-470b-a47a-ddd3693e26d9","keyword":"雪鸡坪铜矿区","originalKeyword":"雪鸡坪铜矿区"},{"id":"8ca42665-893a-4f39-afa8-f557478011cd","keyword":"资源开发","originalKeyword":"资源开发"},{"id":"0e12ac14-e9fc-46c6-ac59-1aaa96c2fa05","keyword":"敏感性模糊分析","originalKeyword":"敏感性模糊分析"},{"id":"5eb36f4d-39ba-4645-9c76-eac2cbddc8da","keyword":"不确定变动因素","originalKeyword":"不确定变动因素"},{"id":"4b6e5965-5459-4374-90ef-42cd2565c5f1","keyword":"综合敏感因素","originalKeyword":"综合敏感因素"},{"id":"859dc95a-d182-421e-ba58-8fd76ac982f3","keyword":"经济效益","originalKeyword":"经济效益"}],"language":"zh","publisherId":"huangj201703001","title":"滇西北雪鸡坪铜矿区资源开发经济效益敏感性分析","volume":"38","year":"2017"},{"abstractinfo":"建立了新雪颗粒中栀子苷含量的高效液相色谱测定方法.色谱柱为Diamonsil C18(200 mm×4.6 mm i.d., 5 μm), 流动相为乙腈-水(体积比为15∶85),流速1.0 mL/min,检测波长238 nm,进样量20 μL.栀子苷在25~400 mg/L时其浓度与峰面积呈良好的线性关系,方法平均回收率为101.2% ,相对标准偏差(RSD)为1.6% .","authors":[{"authorName":"冉桂梅","id":"d29cdc49-b255-441b-9523-adb63b38b58b","originalAuthorName":"冉桂梅"},{"authorName":"杨凌","id":"539a72c4-ce5f-453f-b6b6-738d1bfc9e10","originalAuthorName":"杨凌"},{"authorName":"张才华","id":"b9f68e94-ce1f-4147-83c1-b1427045e642","originalAuthorName":"张才华"},{"authorName":"郭兴杰","id":"7cf6c720-570e-4e39-8137-9a6208f53e75","originalAuthorName":"郭兴杰"}],"doi":"10.3321/j.issn:1000-8713.2004.06.017","fpage":"639","id":"012ebe83-0892-44c8-8748-cd50215882ce","issue":"6","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"24f15032-65da-465f-8495-6a9c1bcf1402","keyword":"高效液相色谱法","originalKeyword":"高效液相色谱法"},{"id":"6626c09d-8ee7-4d2c-97ba-d727d2fb35ad","keyword":"栀子苷","originalKeyword":"栀子苷"},{"id":"a050453c-320f-4e20-8f7d-8fcb79dd11f2","keyword":"新雪颗粒","originalKeyword":"新雪颗粒"}],"language":"zh","publisherId":"sp200406017","title":"高效液相色谱法测定新雪颗粒中栀子苷的含量","volume":"22","year":"2004"},{"abstractinfo":"通过端氨基聚醚(T403)和马来酸二乙酯的Michael加成反应,合成了新型聚天门冬氨酸酯(PAE-F).将PAE-F与六亚甲基二异氰酸酯(HDI)三聚体常温聚合,制备了新型聚天门冬氨酸酯(PAEs)聚脲涂层.采用FT-IR和元素分析表征了PAE-F.并用FT-IR和WAXD考察了PAE-F聚脲涂层的形态结构、反应活性和力学性能.与现有的几种PAEs相比,PAE-F与异氰酸酯组份的反应活性更低,凝胶时间为55 min~60 min.结构形态研究表明,PAE-F聚脲呈现非晶形态;氨基氢键化程度高,脲羰基总氢键化程度为57.2%,其中完善氢键化程度为63.1%.这种纯硬段聚脲涂层的强度和硬度高,具有一定的弹性.","authors":[{"authorName":"吕平","id":"d5d7d4c4-d79e-4684-bf08-c9d3d0e0b79c","originalAuthorName":"吕平"},{"authorName":"陈国华","id":"74c06c9d-442e-4c73-a0d9-e3c12bf54a90","originalAuthorName":"陈国华"},{"authorName":"黄微波","id":"f0454b71-49d3-4b81-a370-b5947237bec6","originalAuthorName":"黄微波"}],"doi":"","fpage":"55","id":"cc0bb7ed-e4a7-4037-8463-6b468d2833c7","issue":"3","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":"aeef29b0-1316-434c-ab42-797ca8f55a71","keyword":"脂肪族聚脲","originalKeyword":"脂肪族聚脲"},{"id":"1067586d-47dc-4c2c-93e1-e1499661263e","keyword":"聚天门冬氨酸酯","originalKeyword":"聚天门冬氨酸酯"},{"id":"9bf19333-e112-424a-9fbc-373340e9f951","keyword":"形态结构","originalKeyword":"形态结构"},{"id":"0a4dbc64-f417-4fa4-a7d5-27b8746a5ecb","keyword":"氢键","originalKeyword":"氢键"},{"id":"5a2621c1-72c7-40c4-8077-ea9982d0de05","keyword":"反应活性","originalKeyword":"反应活性"},{"id":"21e47411-c157-45ea-8945-ec860e3fd29b","keyword":"力学性质","originalKeyword":"力学性质"}],"language":"zh","publisherId":"gfzclkxygc200703013","title":"新型聚天门冬氨酸酯合成脂肪族聚脲涂层","volume":"23","year":"2007"}],"totalpage":12,"totalrecord":119}