{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"根据自蔓延高温合成法(SHS)制备多孔NiTi合金孔隙试验所获得的实测数据集,应用基于粒子群算法(PSO)寻优的支持向量回归(SVR)方法,建立不同反应参数(温度,粒度和压坯密度)下合成的多孔NiTi合金孔隙的SVR预测模型,并与基于误差反向传播神经网络(BPNN)回归模型的预测结果进行比较.结果表明:在相同的训练与测试样本集下所获的SVR预测结果的平均绝对百分误差(MAPE)比BPNN预测模型的要小,其预测精度更高,预测效果更好;SVR-LOOCV预测的MAPE也比BPNN略小,且其预测结果的相关系数达到了0.999.因此,该方法是一种预测SHS法制备多孔NiTi合金孔隙的有效方法,可为SHS合成多孔NiTi提供理论指导.","authors":[{"authorName":"蔡从中","id":"3f734471-ccc4-42c0-9208-062d748efed5","originalAuthorName":"蔡从中"},{"authorName":"温玉锋","id":"5eb13101-b26f-4c04-a851-1dbfc0790784","originalAuthorName":"温玉锋"},{"authorName":"裴军芳","id":"93f52f54-4653-4bcc-a21d-2dface62a4ee","originalAuthorName":"裴军芳"},{"authorName":"朱星键","id":"dae92177-1b49-4147-9f0d-5f4e12740b17","originalAuthorName":"朱星键"},{"authorName":"王桂莲","id":"48935e7c-0bea-493e-ab5d-074f42652367","originalAuthorName":"王桂莲"}],"doi":"","fpage":"1719","id":"29f7aa79-8b73-4e76-94a6-a5c88dbdfda0","issue":"10","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"bca4af12-d627-4fb9-ba04-bafc80c95b0d","keyword":"NiTi合金","originalKeyword":"NiTi合金"},{"id":"e4df1ddb-8355-4ba0-8c9f-338074ddef57","keyword":"自蔓延高温合成(SHS)","originalKeyword":"自蔓延高温合成(SHS)"},{"id":"1540d9ec-e5c0-4bf4-a41c-27749a3caf85","keyword":"孔隙","originalKeyword":"孔隙"},{"id":"d676a8be-be77-4ae8-ba76-806e5bef138b","keyword":"支持向量回归(SVR)","originalKeyword":"支持向量回归(SVR)"},{"id":"4a042231-3268-4c8e-b5d5-51c6476a7c4b","keyword":"预测","originalKeyword":"预测"}],"language":"zh","publisherId":"xyjsclygc201010007","title":"自蔓延高温合成多孔NiTi合金孔隙的SVR预测","volume":"39","year":"2010"},{"abstractinfo":"发展了穿心莲药材及其中成药中两种主要成分穿心莲内酯和脱水穿心莲内酯的反相高效液相色谱测定方法.采用甲醇振荡提取法进行样品前处理,在以乙腈-水为流动相作梯度洗脱、ODS柱、检测波长为225 nm的条件下,穿心莲内酯和脱水穿心莲内酯在15 min内可达到基线分离.两种内酯在10 mg/L~100 mg/L时其浓度与峰面积成良好的线性关系,加标回收率为96%~104%.该法适用于穿心莲药材及其制剂的质量分析检验.","authors":[{"authorName":"徐晓琴","id":"12bcc644-f93f-42b5-bd23-df132aa73dd5","originalAuthorName":"徐晓琴"},{"authorName":"胡广林","id":"1ac5763b-51b6-4675-ad02-8178bc03cb1a","originalAuthorName":"胡广林"},{"authorName":"沈金灿","id":"27202b28-d37e-40a4-88af-7529abb0fe79","originalAuthorName":"沈金灿"},{"authorName":"李琦","id":"eec4cdf4-152e-4427-b9dd-595c1f5d29e4","originalAuthorName":"李琦"},{"authorName":"王小如","id":"5a6d2f40-090e-47f3-a6da-b6756b3055e4","originalAuthorName":"王小如"}],"doi":"10.3321/j.issn:1000-8713.2002.05.016","fpage":"446","id":"9ea7fcce-db15-4b8b-806f-fd244664797b","issue":"5","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"07d000a9-8c60-43b3-b463-724b48d56c9b","keyword":"高效液相色谱","originalKeyword":"高效液相色谱"},{"id":"3aa9e1c5-d663-4080-b3de-41c8873ed58d","keyword":"穿心莲内酯","originalKeyword":"穿心莲内酯"},{"id":"0f021a3a-f1f9-4561-bf20-b9cc4f69f3e7","keyword":"脱水穿心莲内酯","originalKeyword":"脱水穿心莲内酯"},{"id":"0fd04549-22f6-47b9-aa96-14878b2d324b","keyword":"穿心莲","originalKeyword":"穿心莲"},{"id":"f18068de-6578-4783-8200-200b37744089","keyword":"清感穿心莲片","originalKeyword":"清感穿心莲片"},{"id":"d56e6353-e6d4-4f07-8c08-e6404fcba84a","keyword":"清火栀麦胶囊","originalKeyword":"清火栀麦胶囊"}],"language":"zh","publisherId":"sp200205016","title":"反相高效液相色谱法测定穿心莲药材及其制剂中的穿心莲内酯和脱水穿心莲内酯","volume":"20","year":"2002"},{"abstractinfo":"建立了微乳液毛细管电动色谱同时分析消炎利胆片中穿心莲内酯和脱水穿心莲内酯的方法.考察了缓冲溶液的浓度、pH值、十二烷基硫酸钠(SDS)以及助表面活性剂的含量对分离测定的影响.在由乙酸乙酯-SDS-正丁醇-30 mmol/L硼砂缓冲液(pH 9.5)(质量比为0.5∶0.6∶6.0∶92.9)组成的微乳液体系中,两种内酯在6 min内完成分离.该法简便、快速、选择性好,用于实际样品中穿心莲内酯和脱水穿心莲内酯的分析,获得了满意的结果.","authors":[{"authorName":"赵艳芳","id":"4b66ab93-5560-43a3-9e5b-6a8b2b93d562","originalAuthorName":"赵艳芳"},{"authorName":"罗兴平","id":"f23bdf25-e32f-43d1-b620-0caef6b66a74","originalAuthorName":"罗兴平"},{"authorName":"明永飞","id":"5556a5e6-4b36-4491-afdd-0aea91e0cff8","originalAuthorName":"明永飞"},{"authorName":"张红丽","id":"723dfd7b-b130-4994-9d8b-281c4328b66d","originalAuthorName":"张红丽"},{"authorName":"李秀娟","id":"89b69914-e871-497f-9aa2-d981fb13aa0a","originalAuthorName":"李秀娟"},{"authorName":"陈立仁","id":"4936bb3f-af4e-4e38-9f56-733050592544","originalAuthorName":"陈立仁"},{"authorName":"李永民","id":"76750300-75b7-4a5c-9662-4b1f8d3a7e34","originalAuthorName":"李永民"}],"doi":"10.3321/j.issn:1000-8713.2006.03.019","fpage":"294","id":"5b125694-4141-40cc-be71-f8113707c7bd","issue":"3","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"83625757-3231-4ec3-9153-713fa501a807","keyword":"微乳液毛细管电动色谱","originalKeyword":"微乳液毛细管电动色谱"},{"id":"49c9db8d-6fce-4ff4-a15b-166eb6f1a9f9","keyword":"穿心莲内酯","originalKeyword":"穿心莲内酯"},{"id":"0e04d610-83ce-4554-b8fc-65a4b613a64d","keyword":"脱水穿心莲内酯","originalKeyword":"脱水穿心莲内酯"},{"id":"bce0a69b-efe4-46bb-ae92-845bf5b69391","keyword":"消炎利胆片","originalKeyword":"消炎利胆片"}],"language":"zh","publisherId":"sp200603019","title":"微乳液毛细管电动色谱法快速测定消炎利胆片中的穿心莲内酯和脱水穿心莲内酯","volume":"24","year":"2006"},{"abstractinfo":"采用超弱发光图像探测系统对红背桂叶片及其它一些植物样品进行了延迟发光图像探\n测.结果表明,延迟发光与生物样品的种类及所处的代谢阶段有关,可提供植物光合作用、细胞分裂\n和能量转换的重要信息.叶绿素在植物延迟发光中起重要作用,但细胞分裂对延迟发光也有影响.\n植物经白光诱导后的发光衰减接近双曲线规律,与生物光子的相干理论相吻合.另外,实验结果也\n能较好地用双指数曲线拟合,表明延迟发光可能来源于植物细胞内两个不同的随机发光系统.","authors":[{"authorName":"王维江","id":"1a3c3317-43dc-4bd3-970b-86d5cb8cb756","originalAuthorName":"王维江"},{"authorName":"邢达","id":"b2ae3c28-6365-47da-b523-72a75a9ce2f7","originalAuthorName":"邢达"},{"authorName":"谭石慈","id":"ed3bc7c0-321c-4fd4-914f-bcef286c4cea","originalAuthorName":"谭石慈"},{"authorName":"韩俊英","id":"83cd5f12-267b-455f-a13c-542d8c5ba606","originalAuthorName":"韩俊英"}],"doi":"10.3969/j.issn.1007-5461.2000.04.005","fpage":"310","id":"bc97c11e-153b-432c-a6b3-3eba0ee12009","issue":"4","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":"112b5d8c-87d2-4f2a-b8ee-8b54ca6eb289","keyword":"延迟发光","originalKeyword":"延迟发光"},{"id":"b4882e15-9b58-4429-a38d-03b2366f4733","keyword":"红背桂","originalKeyword":"红背桂"},{"id":"544488c0-2d35-4e9e-9c5c-96b22a534314","keyword":"叶绿素","originalKeyword":"叶绿素"},{"id":"3701d574-32c4-4558-9974-eb5b552a0381","keyword":"像增强器","originalKeyword":"像增强器"}],"language":"zh","publisherId":"lzdzxb200004005","title":"红背桂叶片的延迟发光研究","volume":"17","year":"2000"},{"abstractinfo":"我国南方稻田土壤在长期酸雨淋溶条件下养分淋失严重,不但制约了水稻等农作物的可持续生产,而且造成化肥资源的大量无效施用与水体富营养化的环境威胁.近年来研究表明,生物炭在减少亚马逊流域贫瘠土壤养分淋失方面具有突出效果,然而,关于生物炭对我国南方红壤性稻田土壤的养分保持作用研究报道较少.本实验以近几年在我国南方水域频繁暴发引发严重生态危害的入侵植物凤眼莲为生物质前体,于低温慢热解条件下制备生物炭,通过静态共育与模拟酸雨土柱淋溶,系统解析了凤眼莲生物炭(WBC)对稻田土壤养分的持留效果.结果表明:WBC的施用在有效提高土壤pH和CEC的基础上,能够显著增加土壤全N和速效K含量,但却使有效P含量随共育时间的延长而明显降低.在酸雨淋溶条件下,与对照相比,WBC处理中NH4+-N、NO3-N和有效P淋失总量分别减少8.2%-49.8%,14.3%-76.2%和16.6%-43.3%,而K淋失总量提高16.5%-20.8%,但淋溶后WBC处理土壤中速效K含量仍显著高于对照,这表明淋溶液K浓度的升高主要来源于生物炭中丰富的水溶性K.根据以上研究结果,凤眼莲生物炭的施用在短期(1年)内有助于红壤性稻田土壤中主要矿质元素的保蓄持留,对减控稻田面源N、P流失具有重要作用,但其长期效应仍需定位试验的持续跟踪检测.","authors":[{"authorName":"陈灿","id":"7fe5e9c5-cfbf-4add-b652-d76eac3c15b0","originalAuthorName":"陈灿"},{"authorName":"潘亚男","id":"55955241-b0da-4f10-881f-222a67abac5b","originalAuthorName":"潘亚男"},{"authorName":"王欣","id":"ef45a414-884c-4ae2-ab10-122adba84d33","originalAuthorName":"王欣"},{"authorName":"万勇","id":"29f35570-f241-4440-b89f-aceb56239bf6","originalAuthorName":"万勇"},{"authorName":"钟振宇","id":"5b8d5426-f29b-4a11-a988-dad5c7e758a5","originalAuthorName":"钟振宇"}],"doi":"10.7524/j.issn.0254-6108.2017.04.2016071201","fpage":"907","id":"a9b4f688-ed7c-4bd2-a921-f9bb55caff4f","issue":"4","journal":{"abbrevTitle":"HJHX","coverImgSrc":"journal/img/cover/HJHX.jpg","id":"43","issnPpub":"0254-6108","publisherId":"HJHX","title":"环境化学 "},"keywords":[{"id":"8916a8bc-077f-4002-ab46-be46f3457516","keyword":"凤眼莲生物炭","originalKeyword":"凤眼莲生物炭"},{"id":"5d716d04-3c0d-4545-a146-35f28eacb9f1","keyword":"总氮","originalKeyword":"总氮"},{"id":"8d9f262d-9d91-467f-b807-4a1307beb787","keyword":"有效磷","originalKeyword":"有效磷"},{"id":"bc9a0446-6d7f-4cca-bc6d-90db5a294cf9","keyword":"淋失","originalKeyword":"淋失"},{"id":"9b377a09-cb07-4b80-b5fc-be95c6417ea4","keyword":"稻田土壤","originalKeyword":"稻田土壤"}],"language":"zh","publisherId":"hjhx201704026","title":"凤眼莲生物炭对稻田土壤肥力的影响","volume":"36","year":"2017"},{"abstractinfo":"介绍了利用组态王作为监控,可编程控制器作为下位机,实现了耐火厂散料配料系统的自动化生产,该系统具有手动功能和自动功能,手动功能具有现场手动和上位机手动功能,自动功能具有全自动和半自动功能.该系统可实现配方和配料制度的任意更改,投资低,故障少,自动化程度高.","authors":[{"authorName":"胡万里","id":"1adf7690-152f-4613-8672-0f57838973f3","originalAuthorName":"胡万里"}],"doi":"10.3969/j.issn.1001-1935.2010.01.023","fpage":"79","id":"1dfe65c5-d8e0-4c0f-8675-5a16012754bd","issue":"1","journal":{"abbrevTitle":"NHCL","coverImgSrc":"journal/img/cover/NHCL.jpg","id":"55","issnPpub":"1001-1935","publisherId":"NHCL","title":"耐火材料 "},"keywords":[{"id":"c439469b-f720-48b4-9591-ac1972753d5a","keyword":"组态王","originalKeyword":"组态王"},{"id":"57ed6c1f-ef90-4357-8a60-32ade74e3327","keyword":"配料","originalKeyword":"配料"},{"id":"41435bef-3a13-40c3-9a86-acb7115813a4","keyword":"上位机","originalKeyword":"上位机"}],"language":"zh","publisherId":"nhcl201001023","title":"基于组态王的包钢耐火配料系统设计","volume":"44","year":"2010"},{"abstractinfo":"针对目前由金属开口谐振环与金属杆构成的左手材料结构存在构造比较复杂、工艺实现较难的缺点,设计实现了一种基于金属条的改进结构一”王”字型结构.通过理论分析和电磁仿真软件Ansoft HFSS 10模拟仿真,利用散射参量法提取参数结果表明该结构可以在X波段实现介电常数和磁导率同时为负.讨论研究了该左手结构的金属条宽度、中间缺口宽度、中间条宽度三个结构尺寸参数变化对谐振频率和透射峰幅值的影响,结果表明三个参数的变化都会对二者产生影响,其中金属条宽度改变对透射峰值影响幅度相对较大,缺口宽度改变对谐振频率影响幅度相对较大.","authors":[{"authorName":"孙振","id":"9082c3be-c293-4b15-909c-5363afc0fb88","originalAuthorName":"孙振"},{"authorName":"竹有章","id":"8794de66-28bc-4427-979c-0fb97ab9ed96","originalAuthorName":"竹有章"},{"authorName":"何星","id":"6f08d970-e077-44f0-b31d-5ff4c5df0ddf","originalAuthorName":"何星"},{"authorName":"杨成莱","id":"5bc766cf-c957-469f-bbec-fd1d91e6a29e","originalAuthorName":"杨成莱"},{"authorName":"李磐石","id":"5e728fff-ba05-408f-beb6-bbddd58f2624","originalAuthorName":"李磐石"}],"doi":"","fpage":"107","id":"59adf8cc-36c0-4ea6-9f45-b82068f1d277","issue":"1","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":"0445fc0a-e195-44ae-af64-1760db975e7a","keyword":"金属条","originalKeyword":"金属条"},{"id":"d8320c68-3cf6-4f73-a0e7-166c6d16aebd","keyword":"左手材料","originalKeyword":"左手材料"},{"id":"ac328512-f54f-4710-8a77-4dab2151863d","keyword":"负折射率","originalKeyword":"负折射率"},{"id":"46c8a8fd-6c41-46c9-a435-b75cc3ba30f2","keyword":"谐振频率","originalKeyword":"谐振频率"},{"id":"f5aef037-2407-4220-9e53-1a929c2f3666","keyword":"S参数","originalKeyword":"S参数"}],"language":"zh","publisherId":"clkxygc201301022","title":"“王”字型左手材料结构的设计与仿真","volume":"31","year":"2013"},{"abstractinfo":"2011年9月27日,正值《材料科学与工程学报》第四届编辑委员会荣誉主任王启东先生九十华诞暨从教68周年。在此,我们向王启东先生表示最热烈的祝贺。","authors":[{"authorName":"无","id":"fa1f4c18-4b21-41fe-a5da-f75bee6fcc9f","originalAuthorName":"无"}],"doi":"","fpage":"0003","id":"2723bfaa-3a2b-477a-b3a3-34e9caa3dceb","issue":"6","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":"1695bd23-b0d0-4d65-9a72-a2e0e859d3b0","keyword":"材料科学与工程","originalKeyword":"材料科学与工程"},{"id":"73611c6e-b3e7-45fe-a831-ffebce6bbf74","keyword":"编辑委员会","originalKeyword":"编辑委员会"},{"id":"318bfe79-321e-4d80-b6c7-b14714da80e6","keyword":"桃","originalKeyword":"桃"}],"language":"zh","publisherId":"clkxygc201106034","title":"寿山千寻碧,桃李几度红——热烈祝贺王启东先生九十华诞","volume":"29","year":"2011"},{"abstractinfo":"采用直接酯化法由月桂醇和三氯化磷来制备亚磷酸三月桂醇酯(TLP). 通过对比实验确定了以吡啶为缚酸剂、苯为溶剂. 用正交试验法确定了适宜的合成条件为:反应温度60 ℃,溶剂用量70 g,滴加时间控制在90 min,反应时间为90 min,三氯化磷0.05 mol,月桂醇和三氯化磷的摩尔比为3.1: 1,合成产率可以达到96.2%.","authors":[{"authorName":"黄小冬","id":"d05d5ad8-e4f3-4c81-be5e-61499ddd51da","originalAuthorName":"黄小冬"},{"authorName":"杨锦飞","id":"fac5970b-7452-46bf-a542-d22dde0d12ef","originalAuthorName":"杨锦飞"},{"authorName":"黄东平","id":"2d0dedab-8628-4084-9be9-c30289a88e23","originalAuthorName":"黄东平"},{"authorName":"顾慧丹","id":"2012b5f4-f532-4a35-94fb-34075a69bfe3","originalAuthorName":"顾慧丹"}],"doi":"10.3969/j.issn.1000-0518.2006.05.025","fpage":"576","id":"66f61e6a-5af0-4946-ae0b-e6cb1b46d3d1","issue":"5","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"0b3760d3-f552-4995-96a8-b09ebcd2b77b","keyword":"亚磷酸三月桂醇酯","originalKeyword":"亚磷酸三月桂醇酯"},{"id":"b84b49f2-28df-43dd-a8be-edd423df9fb3","keyword":"月桂醇","originalKeyword":"月桂醇"},{"id":"90f89588-8e56-4422-9997-9056c56e1678","keyword":"三氯化磷","originalKeyword":"三氯化磷"},{"id":"ecb2f3ce-5e6a-4364-90f6-ea63de8a1ca1","keyword":"吡啶","originalKeyword":"吡啶"},{"id":"46c6fea3-34ea-485a-86e1-d66c8d1f82b0","keyword":"苯","originalKeyword":"苯"}],"language":"zh","publisherId":"yyhx200605025","title":"亚磷酸三月桂醇酯的合成","volume":"23","year":"2006"},{"abstractinfo":"建立了毛细管胶束电动色谱同时分析检测中药半枝莲药材及其膏剂中黄芩素、柚皮素、汉黄芩素、野黄芩苷、芹菜素、木犀草素和原儿茶酸7种有效成分的方法.半枝莲样品中7种有效成分经甲醇超声提取.实验考察了运行缓冲溶液的pH值和浓度、添加剂、检测波长、分离电压和进样时间等重要参数对目标物分离的影响.得到的优化条件为:运行缓冲液50 mmol/L 硼砂-0.20 mol/L 硼酸溶液(pH 8.4),含8.5 mmol/L 十二烷基硫酸钠(SDS),分离电压25 kV,检测波长260 nm和335 nm.在此条件下,7种组分于12 min内达到基线分离.各组分在8×10~(-6)~3.2×10~(-4) mol/L 范围内呈良好的线性关系,相关系数(r~2)为 0.996 5~0.999 9;检出限为7.0×10~(-8)~2.0×10~(-6) mol/L;回收率均大于85% .该方法提取简便、准确可靠、重复性好、灵敏度高,可以用于中药半枝莲中7种有效成分的定量检测.","authors":[{"authorName":"米璇","id":"1fc1e6ba-daa1-47f3-b85d-ff06e8906bab","originalAuthorName":"米璇"},{"authorName":"朱若华","id":"1acbace8-fa4a-4ef7-94e3-37b5ce51df45","originalAuthorName":"朱若华"}],"doi":"","fpage":"209","id":"1f7c3b67-9794-4bb1-953f-fd617770e09e","issue":"2","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"bb82e956-2302-4a76-bde6-0d15da202f8c","keyword":"胶束电动色谱","originalKeyword":"胶束电动色谱"},{"id":"62aec88a-170c-4b42-9b1a-f7ddf1c97b24","keyword":"半枝莲","originalKeyword":"半枝莲"},{"id":"a25b6d51-3702-43a7-821b-85a2ed12a055","keyword":"有效成分","originalKeyword":"有效成分"},{"id":"6dffb724-75af-4f45-900a-5e785e8c69a4","keyword":"中草药","originalKeyword":"中草药"}],"language":"zh","publisherId":"sp201002019","title":"毛细管胶束电动色谱法分离测定中药半枝莲中的7种有效成分","volume":"28","year":"2010"}],"totalpage":14,"totalrecord":137}