{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"混凝土外加剂因其良好的性能已经成为新型混凝土必不可少的部分,在当今建筑工程中发挥了巨大作用。而防冻剂作为一种高性能混凝土外加剂,在建筑工程领域也已经得到了广泛的应用。简要回顾了混凝土防冻剂历史及研究现状,并对需要进一步研究的相关问题提出了建议。","authors":[{"authorName":"刘浪涛","id":"72375bdd-1bb4-4a33-a12b-81dbdf6e8519","originalAuthorName":"刘浪涛"},{"authorName":"邵式亮","id":"3541eb23-3ae6-44c1-b6a7-8208167585fe","originalAuthorName":"邵式亮"},{"authorName":"许金余","id":"9a24536b-bd63-4496-a392-99d09c0312f0","originalAuthorName":"许金余"},{"authorName":"","id":"e5289b6f-d1d1-4ab2-951e-9e02e2b6a76e","originalAuthorName":"孙惠香"}],"doi":"10.11896/j.issn.1005-023X.2015.013.019","fpage":"102","id":"d37cb0b1-a55b-4d56-a922-e4b3a8755278","issue":"13","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"090763ef-7682-4807-af21-aed8997bb5d3","keyword":"混凝土","originalKeyword":"混凝土"},{"id":"f76adaef-6bf7-4a57-84e6-d6c021e98647","keyword":"复合防冻剂","originalKeyword":"复合防冻剂"},{"id":"cb1a058b-7aae-4265-802c-218aef9ab6c9","keyword":"耐久性","originalKeyword":"耐久性"},{"id":"6cde7c52-1571-4b60-b2ba-e678de3c2275","keyword":"聚羧酸减水剂","originalKeyword":"聚羧酸减水剂"}],"language":"zh","publisherId":"cldb201513019","title":"混凝土防冻剂的研究进展?","volume":"","year":"2015"},{"abstractinfo":"马虎沟测区位于灵北断裂带下盘,区内主干断裂为前家—洼家断裂,发育似斑状郭家岭型花岗闪长岩和玲珑型片麻状黑云母花岗岩. 本次地表构造地球化学测量范围约15 km2 ,采集构造地球化学样品共858件,测试元素包括Au、Ni、Pb、Co、Mo、Sn、Zn、Ti、Cr、As、Sb、Hg、Ag、Cu、Ba、Bi、B、Mn、V等19种. Au元素异常沿前家—洼家断裂带及次级断裂分布特征明显. 分形分维统计表明,Au具有多阶段成矿的特征. 结合多元统计分析,厘定本测区构造地球化学异常找矿标志为Au-Pb-Bi元素组合异常及因子得分Y(i,2)和Y(i,3)异常. 结合地质分析,圈定找矿靶区5处.","authors":[{"authorName":"祝涛","id":"d87cfdbb-d220-4cb9-8426-f320167f9456","originalAuthorName":"祝涛"},{"authorName":"杨斌","id":"1d417931-fdd7-42e2-9013-b63c775244b0","originalAuthorName":"杨斌"}],"doi":"10.11792/hj20160103","fpage":"9","id":"a5cda7a4-a416-4d7a-a1fe-6ba6019f42a3","issue":"1","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"d52aaa44-4bef-429b-abb6-5fb51c9e7876","keyword":"找矿预测","originalKeyword":"找矿预测"},{"id":"ba34116e-33b4-4e40-b1a4-18c7f3563a5e","keyword":"构造地球化学","originalKeyword":"构造地球化学"},{"id":"bc66191e-c1c4-431b-beee-3c43a947083a","keyword":"多元统计分析","originalKeyword":"多元统计分析"},{"id":"bd626c5c-05ff-4c78-a90c-4eb7ed36e1c4","keyword":"前家—洼家断裂带","originalKeyword":"前孙家—洼孙家断裂带"}],"language":"zh","publisherId":"huangj201601003","title":"胶西北前家—洼家断裂带构造地球化学找矿预测","volume":"37","year":"2016"},{"abstractinfo":"以济河水系开封段底泥为研究对象,沿河采集75个底泥样品,测定了样品中重金属Cd、Cr、Cu、Ni、Pb和Zn的含量,并采用富集系数法分析重金属富集污染程度和潜在生态风险指数法评价重金属的潜在生态风险.结果表明,济河开封段底泥Cd、Cr、Cu、Ni、Pb和Zn平均含量分别为24.51、67.86、290.65、28.46、115.34、1936.95 mg·kg-1,远高于我国潮土背景值.富集系数分析表明,底泥各重金属污染程度由高到低依次为:Cd(146.10) >Zn(19.62)> Cu(9.89) >Pb(3.83) >Cr(0.89) >Ni(0.88),其中Cd、Cu、Zn已显著富集污染,Cr、Ni无明显富集污染.生态风险评价结果表明,底泥各重金属平均潜在生态风险系数的大小顺序依次为:Cd>Cu>Zn>Pb>Ni>Cr,6种重金属综合潜在生态风险指数(RI)平均值为7259.21,属于很强生态风险,RI“很强”等级样点主要分布在黄汴河、化肥河、济河下游及马家河下游河段,镉是最主要的潜在生态风险因子.","authors":[{"authorName":"王洪涛","id":"92221eb3-ccea-41e9-9eb4-e5b4f395f271","originalAuthorName":"王洪涛"},{"authorName":"张俊华","id":"9e29ee82-eb54-4205-ad22-10a87c2e7626","originalAuthorName":"张俊华"},{"authorName":"张天宁","id":"4f389597-450b-47a0-b69b-43eae8f6d03b","originalAuthorName":"张天宁"},{"authorName":"姜玉玲","id":"87303f5a-92d8-4501-bd4a-6cbbf2ac5329","originalAuthorName":"姜玉玲"},{"authorName":"丁少峰","id":"d6e752b5-69b5-4e67-aae3-848bc06d37f9","originalAuthorName":"丁少峰"},{"authorName":"郭廷忠","id":"785053bc-984b-4402-8b17-ad333ca31c09","originalAuthorName":"郭廷忠"}],"doi":"10.7524/j.issn.0254-6108.2016.08.2015123101","fpage":"1567","id":"959ba2e5-04c8-4e26-9d2a-46208ec1eb61","issue":"8","journal":{"abbrevTitle":"HJHX","coverImgSrc":"journal/img/cover/HJHX.jpg","id":"43","issnPpub":"0254-6108","publisherId":"HJHX","title":"环境化学 "},"keywords":[{"id":"cf706a9e-42bd-4586-8eb3-e614ce7d1707","keyword":"开封市","originalKeyword":"开封市"},{"id":"c9633c25-f574-4fe4-b445-a4a33b1465ee","keyword":"济河","originalKeyword":"惠济河"},{"id":"3af801d1-9657-4155-a71a-091cbf3a2e47","keyword":"底泥","originalKeyword":"底泥"},{"id":"6f7c4eb5-4332-4d77-a80d-a673a3388957","keyword":"富集","originalKeyword":"富集"},{"id":"fc079342-19d8-4cc1-972f-f3c8922a62d9","keyword":"潜在生态风险","originalKeyword":"潜在生态风险"}],"language":"zh","publisherId":"hjhx201608003","title":"开封济河水系底泥重金属污染与潜在生态风险评价","volume":"35","year":"2016"},{"abstractinfo":"研究了湿法合成对丹和磷酸氢钙的影响,以及温度和丹添加量对磷酸氢钙载药量的影响.结果表明,湿法合成对丹和磷酸钙氢钙均无明显影响,温度对丹载入量影响较小,丹载入量与合成体系中丹添加量成正比.通过湿法合成制备载不同浓度丹磷酸氢钙具有可行性.","authors":[{"authorName":"李茂红","id":"2cb1a4f1-a94c-4f1a-8d45-4308177ae133","originalAuthorName":"李茂红"},{"authorName":"赵菊梅","id":"aab7900a-f571-40d7-b64c-04966aeb4ac6","originalAuthorName":"赵菊梅"},{"authorName":"姚宁","id":"9d774dd6-f939-4276-a150-78bc619ac00b","originalAuthorName":"姚宁"},{"authorName":"王玉锁","id":"4836b5a6-be62-46a7-8e16-9def538e62e2","originalAuthorName":"王玉锁"},{"authorName":"李国庆","id":"ba69dd5f-fe5c-4d93-8a9c-56525ab1d4fb","originalAuthorName":"李国庆"},{"authorName":"屈树新","id":"6c913712-8ac8-495a-af55-ba55bc69923c","originalAuthorName":"屈树新"}],"doi":"","fpage":"16","id":"7e57fd8e-0efa-4028-b9c9-e711679edbf2","issue":"12","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"f9e151e8-f62c-4c9a-befa-cb47624f6463","keyword":"磷酸氢钙","originalKeyword":"磷酸氢钙"},{"id":"7d175913-6352-4191-8972-4b9dc79a8c91","keyword":"丹","originalKeyword":"香丹"},{"id":"ad46014e-639d-417c-8e6a-97b4fec30b88","keyword":"湿法合成","originalKeyword":"湿法合成"},{"id":"8eaf0369-c054-43a2-8dc3-06a74bfbcaf3","keyword":"性质","originalKeyword":"性质"},{"id":"10be9ec1-372f-4599-ba0e-59b5106afb79","keyword":"载药量","originalKeyword":"载药量"}],"language":"zh","publisherId":"cldb201112006","title":"载丹磷酸氢钙的研究","volume":"25","year":"2011"},{"abstractinfo":"本文以我国黄渤海地区的螺为对象,研究了其结构及组织形态特征.研究表明:螺壳体主要由方解石构成,其次为具有正交晶系结构的文石.螺壳体的纵截面由外层的柱状晶粒结构层,中间的交错纹片结构层和内层的柱状结构层组成.外层和中间层主要由方解石组成,内层由方解石和文石构成.显微硬度测试结果表明:螺壳体的硬度从外层到内层是逐渐增加的,说明内层的致密度比中层和外层的高.","authors":[{"authorName":"赵杰","id":"de8fae09-2dc3-4cdf-98b4-c5e4016f35ff","originalAuthorName":"赵杰"},{"authorName":"丁晓非","id":"f8d829dd-cc27-4a51-b1b2-1e7e24b3ae81","originalAuthorName":"丁晓非"},{"authorName":"高山","id":"096d2614-73e8-4629-a85d-ef51b78ff403","originalAuthorName":"高山"},{"authorName":"张峰","id":"44e343ba-1c19-44e8-87cd-c57994538e5f","originalAuthorName":"张峰"},{"authorName":"王来","id":"4d15d997-cd04-4a5d-a2e4-5a09f7525120","originalAuthorName":"王来"}],"doi":"10.3969/j.issn.1673-2812.2004.05.006","fpage":"644","id":"93bf2184-2b98-420c-8f8f-6e8723213ebb","issue":"5","journal":{"abbrevTitle":"CLKXYGCXB","coverImgSrc":"journal/img/cover/CLKXYGCXB.jpg","id":"13","issnPpub":"1673-2812","publisherId":"CLKXYGCXB","title":"材料科学与工程学报"},"keywords":[{"id":"b174751c-44a2-4eef-8879-a0a259761096","keyword":"螺","originalKeyword":"香螺"},{"id":"0e3510c7-25d9-4fa9-a3be-4591ebd6b772","keyword":"结构","originalKeyword":"结构"},{"id":"69616a84-21a7-44df-9363-d766c443f207","keyword":"方解石","originalKeyword":"方解石"},{"id":"2a3323d4-1f7c-4a7e-ac3c-c7c6f2801dfe","keyword":"文石","originalKeyword":"文石"}],"language":"zh","publisherId":"clkxygc200405006","title":"螺壳体的结构特征分析","volume":"22","year":"2004"},{"abstractinfo":"熊耳山地区是豫西重要的金矿化集中区,萑洼金矿是该成矿带近几年新发现的金矿床.通过系统研究成矿地质条件、地球化学及地球物理综合信息,并在此基础上归纳总结了控矿地质因素和物化探找矿标志,从而建立了萑洼金矿的地质-地球物理-地球化学找矿模型.","authors":[{"authorName":"王长明","id":"c4f9505e-dee3-4110-b711-d361d6501672","originalAuthorName":"王长明"},{"authorName":"邓军","id":"00a39e54-f697-4a23-9f04-63d7adc794da","originalAuthorName":"邓军"},{"authorName":"张寿庭","id":"b1f5b0fe-62b3-4215-8d83-6d82e261b134","originalAuthorName":"张寿庭"}],"doi":"10.3969/j.issn.1001-1277.2006.07.004","fpage":"11","id":"82bcc3bc-0def-4fad-9cc4-f5094ad1212d","issue":"7","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"3db6946a-6e5a-4316-97be-2024bd5648f2","keyword":"萑洼金矿床","originalKeyword":"萑香洼金矿床"},{"id":"11bb3b42-7335-4009-be13-bfb63a7dd097","keyword":"找矿信息","originalKeyword":"找矿信息"},{"id":"bf16875c-75b5-4161-ba5b-b1542873dc59","keyword":"找矿模型","originalKeyword":"找矿模型"}],"language":"zh","publisherId":"huangj200607004","title":"河南萑洼金矿床综合找矿模型","volume":"27","year":"2006"},{"abstractinfo":"对以水杨醛和乙酸酐为原料合成豆素的工艺进行了改进. 采用乙酸钙为催化剂、PEG为活化剂的工艺路线. 用HPLC跟踪反应过程,对催化剂和活化剂的用量、乙酸酐的用量和用法及保温反应的温度和时间对豆素收率的影响进行了研究. 水杨醛与乙酸酐的总摩尔比为1∶1 .9,反应近终点时在(214±2) ℃保温反应0.5 h,豆素收率达86.6%.","authors":[{"authorName":"肖如亭","id":"d1cd0231-1c43-4586-8fba-65a971b5509e","originalAuthorName":"肖如亭"},{"authorName":"李乃瑄","id":"63b68d1d-1ae2-4c41-83cb-77eeae1898ce","originalAuthorName":"李乃瑄"},{"authorName":"董庆洁","id":"88933ac1-5fe0-46d2-abd2-f82a37cf7662","originalAuthorName":"董庆洁"},{"authorName":"吴志东","id":"cda26f87-7fe9-4689-a936-f67699733888","originalAuthorName":"吴志东"},{"authorName":"葛明","id":"646a02ff-efe5-4ff9-a01d-f3b767bd5e59","originalAuthorName":"葛明"}],"doi":"10.3969/j.issn.1000-0518.2000.03.014","fpage":"288","id":"6b0973cb-18c3-468e-8d62-472b307500cc","issue":"3","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"2b9da89c-2f9d-4488-b589-592599ea3fbb","keyword":"豆素","originalKeyword":"香豆素"},{"id":"4c30ca5d-4960-497b-8074-7d1a7e2b8992","keyword":"Perkin方法","originalKeyword":"Perkin方法"},{"id":"42cb0875-f5ff-45cf-b091-8e5fd6c84b75","keyword":"聚乙二醇","originalKeyword":"聚乙二醇"},{"id":"e1572d68-6977-4a46-90b9-98a221e369a4","keyword":"乙酸钙","originalKeyword":"乙酸钙"}],"language":"zh","publisherId":"yyhx200003014","title":"改进的Perkin法催化合成豆素","volume":"17","year":"2000"},{"abstractinfo":"用乙醇改性的超临界CO2,经过压力分级步骤选择性萃取白术挥发油中的不同族组分,在低压(12.0 MPa)条件下完成对其中的β-榄烯的萃取,并且将其在萃取物中的质量分数由高压下的4.8%提高到低压下的8.0%,萃取率达94.2%,同时降低了对设备的要求。","authors":[{"authorName":"陈淑莲","id":"c61f4b34-d42b-4354-8f28-690bfa982ae6","originalAuthorName":"陈淑莲"},{"authorName":"游静","id":"2b10b784-d90c-4e5b-b032-e5cda801c38d","originalAuthorName":"游静"},{"authorName":"王国俊","id":"0e098e69-b96d-4668-b0fe-a7ca6d56ac6e","originalAuthorName":"王国俊"}],"doi":"10.3321/j.issn:1000-8713.2001.02.024","fpage":"179","id":"a69e8be6-a1f8-4613-a781-6b14a5b71dbe","issue":"2","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"9a4ab692-7801-43ad-aed9-5011fb224162","keyword":"超临界CO2","originalKeyword":"超临界CO2"},{"id":"b8ebe130-7959-4946-8af2-23324a45cd52","keyword":"选择性萃取","originalKeyword":"选择性萃取"},{"id":"5e0dea7d-ee60-4294-8e00-7c7d9aa9b2ef","keyword":"β-榄烯","originalKeyword":"β-榄香烯"}],"language":"zh","publisherId":"sp200102024","title":"超临界流体低压萃取β-榄烯","volume":"19","year":"2001"},{"abstractinfo":"测量产自黄/渤海海域的螺贝壳的硬度和弹性模量,研究了贝壳的结构与性能之间的关系.结果表明,螺贝壳主要由方解石和文石两种矿物镶嵌在有机质中构成,方解石结构为不均匀的柱状晶,文石结构为多级超微的交错纹状结构,其中第三级结构为10-80 nm的纳米级纤维.文石的力学性能优于方解石的性能.贝壳类复合材料的压痕效应主要源于裂纹扩展,而微观裂纹扩展与晶体类型以及晶体结构的排列方式是密切相关的.方解石裂纹形状曲折、不规则且沿着方解石层的边界扩展,抗裂纹扩展能力较差;而文石压痕周围平直清晰,裂纹沿着其二级结构界面扩展,性能较好.","authors":[{"authorName":"梁艳","id":"79109a69-1c13-4047-8f2e-afcef0cf1c06","originalAuthorName":"梁艳"},{"authorName":"赵杰","id":"191eb069-605c-4628-9a2b-1866f30843f0","originalAuthorName":"赵杰"},{"authorName":"王来","id":"95a7d1c5-edd6-4e9a-a5a9-65b7f38fde60","originalAuthorName":"王来"}],"doi":"10.3321/j.issn:1005-3093.2007.05.021","fpage":"556","id":"d260df63-7c46-467c-ab18-1a90dba9974d","issue":"5","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":"c2676a53-731e-4b05-8bda-8e65142bc1c3","keyword":"无机非金属材料","originalKeyword":"无机非金属材料"},{"id":"75c1abe7-d939-4e66-afe0-d4108790f17c","keyword":"贝壳","originalKeyword":"贝壳"},{"id":"ebde37fd-515a-4e91-8a25-25d2e4a40463","keyword":"微观结构","originalKeyword":"微观结构"},{"id":"002bf787-6bf1-4c0b-86a1-4f81ebead32a","keyword":"纳米压痕","originalKeyword":"纳米压痕"}],"language":"zh","publisherId":"clyjxb200705021","title":"螺壳的结构和微观力学性能","volume":"21","year":"2007"},{"abstractinfo":"研究载不同浓度丹注射液(简称丹)磷酸钙骨水泥(CPC)的理化性能和药物释放, 为优化CPC中载入丹浓度提供理论依据. 将丹与CPC主要原料之一磷酸氢钙混合烘干代替磷酸氢钙制得一系列载不同浓度丹的CPC, 丹浓度范围在0.05~0.5mL/g. 采用Gilmore针、万能材料力学试验机、X射线衍射仪、傅立叶红外光谱仪表征载不同浓度丹CPC的理化性能, 用扫描电镜观察微观形貌, 测定载不同浓度丹CPC的药物释放. 结果表明CPC凝结时间随丹浓度的增加而延长, 浓度不高于0.2mL/g的CPC样品凝结时间符合临床要求; 抗压强度随丹含量的增加而增加; 丹加入对CPC转化没有明显影响, 但导致水化产物晶体形貌从颗粒状松散搭接转化为片状交织, 且浓度越高片状晶体越多. 在药物释放的最初4h, 载入丹浓度范围为0.1~0.5mL/g的CPC其释药量符合临床需要. 因此, 载入丹浓度范围为0.1~0.2mL/g的CPC凝结时间符合临床要求, 比空白CPC具有更高的抗压强度, 在初阶段药物释放量符合治疗需求.","authors":[{"authorName":"李茂红1","id":"2edbd4eb-decf-4381-83bc-81e2019f94e7","originalAuthorName":"李茂红1"},{"authorName":"2","id":"3ece3060-100a-4d93-9819-63f22f82e04a","originalAuthorName":"2"},{"authorName":"屈树新2","id":"9a6eb131-27ba-4b71-8ddd-ed6d484a2764","originalAuthorName":"屈树新2"},{"authorName":"姚宁2","id":"14f0452f-60d0-408f-a5b4-2e3863dae255","originalAuthorName":"姚宁2"},{"authorName":"3","id":"3828bc2e-e12c-4177-9802-54963767e2bb","originalAuthorName":"3"},{"authorName":"郭悦华2","id":"26dfe8ed-faee-4551-a8e5-3602de96b1de","originalAuthorName":"郭悦华2"},{"authorName":"张涛2","id":"07285f66-5fd8-484f-a293-ce2a29c31a75","originalAuthorName":"张涛2"},{"authorName":"翁杰2","id":"4a2550b8-9640-4524-9931-ad8978364ef7","originalAuthorName":"翁杰2"}],"categoryName":"|","doi":"10.3724/SP.J.1077.2010.00507","fpage":"507","id":"a64f9e9c-df28-405b-9079-f3c350aaa93b","issue":"5","journal":{"abbrevTitle":"WJCLXB","coverImgSrc":"journal/img/cover/WJCLXB.jpg","id":"62","issnPpub":"1000-324X","publisherId":"WJCLXB","title":"无机材料学报"},"keywords":[{"id":"5e7eda30-b0f1-4bc5-851d-6918a839f4d4","keyword":"磷酸钙骨水泥","originalKeyword":"磷酸钙骨水泥"},{"id":"c02f29f6-68f8-43ac-9fe4-6f62ab938183","keyword":" xiangdan injection","originalKeyword":" xiangdan injection"},{"id":"fe46cc16-c524-4bb2-aa51-52f1036d5dee","keyword":" property","originalKeyword":" property"},{"id":"958491b1-392e-49a7-b9f0-947ac29f0ddd","keyword":" concentration","originalKeyword":" concentration"},{"id":"7b553557-f5a3-4cac-ada0-4fe40f8a85af","keyword":" drug release","originalKeyword":" drug release"}],"language":"zh","publisherId":"1000-324X_2010_5_4","title":"载不同浓度丹注射液磷酸钙骨水泥性能研究","volume":"25","year":"2010"}],"totalpage":17,"totalrecord":163}