{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"以Cr25Ni35Nb和Cr35Ni45Nb炉管钢为研究对象,以菲克第二定律和\"平衡常数法\"为理论基础,采用有限差分数值方法,实现了这两种高Cr-Ni裂解炉管材料高温渗碳时碳的扩散和碳化物析出的模拟,给出了渗层的总碳含量、基体中的碳含量、基体中合金元素含量在不同渗碳时间沿壁厚的分布.在1000℃对两种材料进行了固体渗碳实验,分析比较了高温下两种材料的渗碳动力学规律.结果表明,浓度场模拟结果与实验测量值吻合较好.从渗碳增重曲线和浓度场模拟结果可以看出,Cr35Ni45Nb钢的抗渗碳能力强于Cr25Ni35Nb钢.","authors":[{"authorName":"秦小燕","id":"274f03f2-b8bd-4b8a-818c-217d6f4961d2","originalAuthorName":"秦小燕"},{"authorName":"巩建鸣","id":"f0faf5e5-464f-4ccb-895f-89d0891e6462","originalAuthorName":"巩建鸣"},{"authorName":"耿鲁阳","id":"0257b79b-1eaa-4a4f-8a2c-5b78e46f10dc","originalAuthorName":"耿鲁阳"}],"doi":"","fpage":"151","id":"8ca120a2-a0c8-40c7-bbc6-f2fc8ff8a951","issue":"7","journal":{"abbrevTitle":"CLRCLXB","coverImgSrc":"journal/img/cover/CLRCLXB.jpg","id":"15","issnPpub":"1009-6264","publisherId":"CLRCLXB","title":"材料热处理学报"},"keywords":[{"id":"f68eb78f-3f99-489b-b221-09b641fa25b7","keyword":"渗碳","originalKeyword":"渗碳"},{"id":"cb386e94-2f27-4aec-867e-0e36d18e8a9d","keyword":"菲克第二定律","originalKeyword":"菲克第二定律"},{"id":"0f0d3b3c-a72f-4d6f-ac76-04f09fa2bc2f","keyword":"平衡常数法","originalKeyword":"平衡常数法"},{"id":"f63f7f57-e238-4e81-9cab-e905cc324c1d","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"jsrclxb201007030","title":"Cr25Ni35Nb和Cr35Ni45Nb合金高温渗碳浓度场的数值模拟","volume":"31","year":"2010"},{"abstractinfo":"反式白藜芦醇有多种生理活性,自然资源丰富,但存在光不稳定现象。以光致异构平衡对照品溶液,采用高效液相色谱建立了同时测定顺、反异构体浓度的方法。方法学考察显示符合含量测定要求,反式异构体在1.5~60 μ mol/L、顺式异构体在1.5~55 μ mol/L范围内线性关系良好,R2均达0.999。将该方法应用于研究光致异构化动力学及平衡常数,结果显示反式白藜芦醇在室温避光条件下中性、偏酸性及乙醇介质中稳定;25 ℃时在50%(v/v)乙醇介质中的光异构平衡常数为11.7±0.3。以光致异构平衡液制作标准曲线的策略简单方便,具有可操作性;反式白藜芦醇的稳定性与介质有关,在pH <7的溶液中光致异构化为一级反应。","authors":[{"authorName":"李瑶","id":"e5d5d2a8-7524-4f2f-918f-fc194b3c9dfe","originalAuthorName":"李瑶"},{"authorName":"陈静雅","id":"8b41c8ba-946c-4a91-ba5d-29d325fa9b68","originalAuthorName":"陈静雅"},{"authorName":"吴玉兰","id":"86194cd5-1cf8-43a3-9574-6f7426b31230","originalAuthorName":"吴玉兰"},{"authorName":"韩疏影","id":"c5ef514c-90cd-4e61-aa93-a608dead566f","originalAuthorName":"韩疏影"},{"authorName":"郁红礼","id":"ee1843f5-3a85-4897-ac95-dda57ae77fef","originalAuthorName":"郁红礼"},{"authorName":"吴皓","id":"f2e67376-c776-4a0e-902e-dabc18980cdc","originalAuthorName":"吴皓"},{"authorName":"池玉梅","id":"e0c4aa15-b988-4958-ae53-801f8c271321","originalAuthorName":"池玉梅"}],"categoryName":"研究论文","doi":"10.3724/SP.J.1123.2016.03008","fpage":"783","id":"3b59f0ab-2166-4a73-aa59-59ba65b0b3b6","issue":"8","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"e9f0fdf0-0cde-42d6-a684-166792ff2f6c","keyword":"高效液相色谱","originalKeyword":"高效液相色谱"},{"id":"5096375f-8372-4333-91c8-6565e57fe646","keyword":"光致异构化","originalKeyword":"光致异构化"},{"id":"0190922d-8171-41d5-bebe-398cf124a3bc","keyword":"白藜芦醇","originalKeyword":"白藜芦醇"},{"id":"34039502-fdc7-4263-8edb-9027b6c57cb2","keyword":"动力学","originalKeyword":"动力学"},{"id":"25e01d98-f104-4eff-a866-d39cc875eb84","keyword":"平衡常数","originalKeyword":"平衡常数"}],"language":"zh","publisherId":"sp-34-8-783","title":"高效液相色谱法研究白藜芦醇光致异构化动力学与平衡常数","volume":"34","year":"2016"},{"abstractinfo":"反式白藜芦醇有多种生理活性,自然资源丰富,但存在光不稳定现象。以光致异构平衡对照品溶液,采用高效液相色谱建立了同时测定顺、反异构体浓度的方法。方法学考察显示符合含量测定要求,反式异构体在1.5~60μmol/L、顺式异构体在1.5~55μmol/L范围内线性关系良好,R2均达0.999。将该方法应用于研究光致异构化动力学及平衡常数,结果显示反式白藜芦醇在室温避光条件下中性、偏酸性及乙醇介质中稳定;25℃时在50%( v/v)乙醇介质中的光异构平衡常数为11.7±0.3。以光致异构平衡液制作标准曲线的策略简单方便,具有可操作性;反式白藜芦醇的稳定性与介质有关,在 pH<7的溶液中光致异构化为一级反应。","authors":[{"authorName":"李瑶","id":"de9822c3-b740-459a-818c-896416c6db40","originalAuthorName":"李瑶"},{"authorName":"陈静雅","id":"e8e89bf1-ea6b-4057-8df5-874795e6a195","originalAuthorName":"陈静雅"},{"authorName":"吴玉兰","id":"0e30e603-db9c-4b63-a87b-51031e754311","originalAuthorName":"吴玉兰"},{"authorName":"韩疏影","id":"f3f5341c-1263-4a3d-a87c-6b4abdb7974d","originalAuthorName":"韩疏影"},{"authorName":"郁红礼","id":"7127168b-0361-4ade-864e-12ec0cc50bd1","originalAuthorName":"郁红礼"},{"authorName":"吴皓","id":"287f7a89-e753-40df-9150-e8ac00886b73","originalAuthorName":"吴皓"},{"authorName":"池玉梅","id":"12821fc0-a147-44fd-aed0-74740a48b3b2","originalAuthorName":"池玉梅"}],"doi":"10.3724/SP.J.1123.2016.03008","fpage":"783","id":"748eafd6-f291-45f8-8d8f-07223ba74d3f","issue":"8","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"39b6a07e-fe27-41fa-bb52-ae128ad086d8","keyword":"高效液相色谱","originalKeyword":"高效液相色谱"},{"id":"49f38c3f-a610-4ebd-9b0b-ceaccde5c9e3","keyword":"光致异构化","originalKeyword":"光致异构化"},{"id":"b05149f1-2ddb-442f-9c19-130b757d8770","keyword":"白藜芦醇","originalKeyword":"白藜芦醇"},{"id":"66c80adf-7919-41da-bae2-1c9f266307a1","keyword":"动力学","originalKeyword":"动力学"},{"id":"b6471d37-002c-4cc9-943a-c3391a8fa527","keyword":"平衡常数","originalKeyword":"平衡常数"}],"language":"zh","publisherId":"sp201608008","title":"高效液相色谱法研究白藜芦醇光致异构化动力学与平衡常数","volume":"34","year":"2016"},{"abstractinfo":"在25 ℃条件下,利用毛细管电泳法测得β-环糊精与芦荟大黄素在pH=9.7、浓度为0.015 mol/L的硼砂缓冲溶液中的包合反应平衡常数为27.5 L/mol. 由于芦荟大黄素具有强疏水性,故其与环糊精的结合力应属于疏水作用力.","authors":[{"authorName":"郭英","id":"89197e5a-79ca-4c56-85b6-7dccad5ae459","originalAuthorName":"郭英"},{"authorName":"崔德生","id":"5482fcf9-3dc9-42f6-b87f-4adf3b9049c8","originalAuthorName":"崔德生"},{"authorName":"汪子明","id":"2c315223-7739-4538-9607-b51eeb7824d2","originalAuthorName":"汪子明"}],"doi":"10.3969/j.issn.1000-0518.2009.04.028","fpage":"492","id":"d28233e1-b6fd-4faf-9d08-caf2844b85c1","issue":"4","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"fc8c6693-78e5-44be-b5c4-54c4fd2daedb","keyword":"β-环糊精","originalKeyword":"β-环糊精"},{"id":"1f5d59e5-7a77-4d6d-a181-4679f25e6d18","keyword":"芦荟大黄素","originalKeyword":"芦荟大黄素"},{"id":"efb7c4a3-636f-4bc1-a53b-48b79449d83b","keyword":"亲和毛细管电泳","originalKeyword":"亲和毛细管电泳"},{"id":"cfeb1e79-e36c-4efe-88fe-38d81f04637e","keyword":"平衡常数","originalKeyword":"平衡常数"}],"language":"zh","publisherId":"yyhx200904028","title":"毛细管电泳法测定β-环糊精与芦荟大黄素包合反应平衡常数","volume":"26","year":"2009"},{"abstractinfo":"自射线照相表明,铁液中的 Ce,Nd 与 MgO,CaO 坩埚均有明显的作用.在保证Ce,Nd 与坩埚充分作用以达到平衡的条件下,应用放射性同位素~(141)Ce,~(147)Nd 及有机电解液电解法测定了铁液中溶解之 Ce,Nd 含量.用 ZrO_2(MgO)管组成的固体电解质电池测定了铁液中溶解氧的活度.计算出1550—1650℃范围内 Ce-O,Nd-O 平衡常数.对于反应 Ce_2O_(3(s))=2[Ce]+3[O]△G*_(Ce_2O_3)451150-161.68TlgK_(Ce_2O_3)=-(98611)/T+35.34对于反应 Nd_2O_3=2[Nd]+3[O]△G*_(Nd_2O_3)=375010-123.7TlgK_(Nd_2O_3)=-(81970)/T+27.04Nd 溶解于铁液的标准自由能 Nd(1)=[Nd]_(1%)△G*_(Nd)=19790-30.40Tlgγ*_(Nd)=(4326.1)/T-4.154","authors":[{"authorName":"韩其勇","id":"277c1432-2bb4-4392-8390-64f0b353600b","originalAuthorName":"韩其勇"},{"authorName":"刘士伟","id":"7bbfa370-fc00-49ab-944a-792a8b826942","originalAuthorName":"刘士伟"},{"authorName":"牛红兵","id":"f6f4c9b5-5ede-4fce-8963-d5fc2459ba1c","originalAuthorName":"牛红兵"},{"authorName":"唐志伟","id":"f4253a47-8536-457c-85b1-fb97263a1d7d","originalAuthorName":"唐志伟"}],"categoryName":"|","doi":"","fpage":"176","id":"ac448393-1f44-47c5-b1db-e090916a7c2a","issue":"2","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[],"language":"zh","publisherId":"0412-1961_1982_2_10","title":"纯铁液中Ce-O,Nd-O平衡常数的测定","volume":"18","year":"1982"},{"abstractinfo":"在pH>1条件下,采用EDTA容量滴定法测定D2EHPA-HCl-HAc体系萃取Pr(Ⅲ)过程两相中的Pr浓度分别考察溶液酸度和萃取剂浓度对Pr的分配比的影响,通过对D2EHPA以及D2EHPA-HCl-HAc体系负载Pr有机相进行红外光谱测试.分析探究了D2EHPA-HCl-HAc体系萃取Pr的机制,并确定萃取平衡常数.研究结果表明,当pH>1时,萃取过程的实质是Pr离子与基团P-OH发生置换,遵循阳离子交换机制,以及与基团P=0发生的络合配位作用,其萃取平衡常数KPr为1×100.13.","authors":[{"authorName":"李剑虹","id":"e4409b06-5365-42dc-957e-060408c28f30","originalAuthorName":"李剑虹"},{"authorName":"张兴","id":"50fef686-dc63-4df6-9e66-a562a9eed3cf","originalAuthorName":"张兴"}],"doi":"10.3969/j.issn.0258-7076.2010.04.029","fpage":"629","id":"59ccf5ea-0b7a-4fe3-ac5c-2e44bd8dd216","issue":"4","journal":{"abbrevTitle":"XYJS","coverImgSrc":"journal/img/cover/XYJS.jpg","id":"67","issnPpub":"0258-7076","publisherId":"XYJS","title":"稀有金属"},"keywords":[{"id":"1e188420-d9d4-481c-9835-6774c4ff2484","keyword":"D2EHPA-HCl-HAc","originalKeyword":"D2EHPA-HCl-HAc"},{"id":"1f3c59b6-e1a7-4fcb-b5e0-70bfede23e7e","keyword":"红外光谱","originalKeyword":"红外光谱"},{"id":"09bf6d26-bf8b-4aca-9d1b-85be15918543","keyword":"萃取机制","originalKeyword":"萃取机制"},{"id":"71f1df36-9e34-40ea-a231-34167030bb5d","keyword":"萃取平衡常数","originalKeyword":"萃取平衡常数"}],"language":"zh","publisherId":"xyjs201004029","title":"D2EHPA-HCl-HAc体系萃取Pr(Ⅲ)的机制分析与萃取平衡常数","volume":"34","year":"2010"},{"abstractinfo":"以铁卟啉为催化剂,在NaOH/CH3OH中加入H2O2溶液,可将1-萘酚和2-萘酚高选择性氧化成2-羟基-1,4-萘醌(HNQ).UV-Vis图可观察到铁卟啉与H2O2形成的氧-高价铁卟啉化合物;由吸收光谱的变化,可确定金属卟啉中间体形成的平衡常数.由HNQ浓度随时间变化的关系,可确定HNQ的形成与分解均为1级反应.","authors":[{"authorName":"阎雁","id":"d97d7e95-0bc2-4055-9a2c-f0905c97c72e","originalAuthorName":"阎雁"},{"authorName":"魏仲航","id":"97e14c5a-0a1a-4116-8d04-f747618dbfaf","originalAuthorName":"魏仲航"},{"authorName":"孙宝强","id":"86945e76-09c2-43a6-95b9-0df4c39e101f","originalAuthorName":"孙宝强"},{"authorName":"陆瑞芬","id":"bf50cc44-08da-4dcc-af79-4e8d218a621a","originalAuthorName":"陆瑞芬"},{"authorName":"张淑英","id":"08f4ee72-e9b1-44f4-b37d-470a8b36997f","originalAuthorName":"张淑英"},{"authorName":"刘浩宇","id":"07e1a327-d25e-47af-b01b-d2732ed794e2","originalAuthorName":"刘浩宇"},{"authorName":"甄开吉","id":"722421c2-fb0c-4ca4-9a8a-d75e9d10377b","originalAuthorName":"甄开吉"},{"authorName":"常新","id":"ce6e36a1-fa9d-475c-ae99-074edaecf625","originalAuthorName":"常新"},{"authorName":"李青","id":"341d6ede-0bd9-4ff6-a15d-0c1efee1dd0d","originalAuthorName":"李青"},{"authorName":"方赤光","id":"9db4f7dd-fbb8-4a70-aefb-1faa40074c16","originalAuthorName":"方赤光"}],"doi":"10.3969/j.issn.1000-0518.2001.10.011","fpage":"810","id":"93fa5d2d-b45d-42af-bcd2-18e812b33648","issue":"10","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"22ddf3c3-0674-466a-83ce-11ee97d9aa07","keyword":"铁卟啉催化剂","originalKeyword":"铁卟啉催化剂"},{"id":"91f0a013-c7c8-4e3c-96f8-a66d90039e37","keyword":"中间体","originalKeyword":"中间体"},{"id":"710743b0-e712-4af4-b925-316aa851cf1a","keyword":"萘酚","originalKeyword":"萘酚"},{"id":"d2fb3748-c0d7-4bab-83ae-d384bc033b02","keyword":"羟基萘醌","originalKeyword":"羟基萘醌"},{"id":"788e322d-dd0d-4373-bbb5-2ebbcfff4a93","keyword":"平衡常数","originalKeyword":"平衡常数"}],"language":"zh","publisherId":"yyhx200110011","title":"2-羟基-1,4-萘醌的合成及铁卟啉-氧催化中间体形成平衡常数的测定","volume":"18","year":"2001"},{"abstractinfo":"在钼密封容器中,用钙蒸气法测得Fe液中及Fe-C〔C≤0.83%〕熔体中CaO平衡常数,两者符合较好.在1600℃, K_(Ca-O)=4.3×10~(-8) e_O~(Ca)=-178 研究Ca的脱O,S能力对于发展喷射冶金技术及有关热力学计算是十分必要的.前人曾用Ca-Ar气泡法和投入法研究Fe液中Ca-O平衡.因上述方法无法避免Ca的气化逃逸,真正的平衡难以建立.此外,在数据处理中也没有考虑到硫的影响.本工作是在密封容器中用钙蒸气法研究Ca-O平衡,并得到了在1600℃时纯Fe液中Ca-O平衡常数、相互作用系数e_O~(Ca)以及低碳Fe液中Ca-O平衡值与各组元浓度间的关系.","authors":[{"authorName":"王鹏飞","id":"5cf64f54-6146-4132-bfbf-a2394a226a72","originalAuthorName":"王鹏飞"},{"authorName":"韩其勇","id":"817bce93-38e0-41fc-95b6-c1971bcaa71d","originalAuthorName":"韩其勇"}],"categoryName":"|","doi":"","fpage":"77","id":"e731d6a8-b991-42ff-a731-692394f96e27","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":"a5d68c1a-cab9-45a0-9936-9f37fb5a3485","keyword":"钙","originalKeyword":"钙"},{"id":"1a470b60-744f-4866-a2e1-2c6692932162","keyword":"oxygen","originalKeyword":"oxygen"},{"id":"f1c6c12e-6171-4cfb-ad67-152fa1886719","keyword":"molten iron","originalKeyword":"molten iron"},{"id":"e7f6c792-6401-41ce-a310-b661b0ea487c","keyword":"equilibrium constent","originalKeyword":"equilibrium constent"},{"id":"25094a32-33a3-48cc-98dd-396b37022912","keyword":"interaction coefficient","originalKeyword":"interaction coefficient"}],"language":"zh","publisherId":"0412-1961_1988_1_13","title":"用钙蒸气法研究Fe液中Ca-O平衡","volume":"24","year":"1988"},{"abstractinfo":"本实验用蒸汽平衡法研究了Ni液中Mg-S反应平衡,测得在1530℃下,Mg-S反应平衡常数为:K_(MgS)=6.76×10~(-5),e_S~(Mg)=-9.1。","authors":[{"authorName":"王丛桦","id":"c01bb2ac-6a54-4df7-b5c9-114bc52df288","originalAuthorName":"王丛桦"},{"authorName":"韩其勇","id":"87199a89-76c6-445c-a617-c0b23c0d4b5a","originalAuthorName":"韩其勇"}],"categoryName":"|","doi":"","fpage":"524","id":"22f28eaf-0872-437c-926e-99411b41ec78","issue":"6","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"f40e9f02-478f-4e68-a8c6-118e76096dc6","keyword":"镍","originalKeyword":"镍"},{"id":"e4fa6a78-ebd3-4611-bf05-d206d23ecb2e","keyword":"Mg","originalKeyword":"Mg"},{"id":"8ec25a83-5c72-48ea-9192-c9fbad1757d0","keyword":"S","originalKeyword":"S"},{"id":"b2275b1f-f850-4208-b32c-962634a7ca13","keyword":"equilibrium constant","originalKeyword":"equilibrium constant"},{"id":"d56372b1-494f-4deb-8005-54a0bcd501ef","keyword":"interactive coefficient","originalKeyword":"interactive coefficient"}],"language":"zh","publisherId":"0412-1961_1988_6_23","title":"Ni液中Mg-S反应平衡的研究","volume":"24","year":"1988"},{"abstractinfo":"","authors":[{"authorName":"李运刚","id":"fdd5f685-1968-4d5d-8c57-5ee6831b8fe0","originalAuthorName":"李运刚"},{"authorName":"陈国发","id":"2ad32acc-f088-403c-b84a-3f78f92b459a","originalAuthorName":"陈国发"}],"doi":"","fpage":"748","id":"0ddc938c-8940-4305-95df-a4b67ceeba75","issue":"5","journal":{"abbrevTitle":"ZGYSJSXB","coverImgSrc":"journal/img/cover/ZGYSJSXB.jpg","id":"88","issnPpub":"1004-0609","publisherId":"ZGYSJSXB","title":"中国有色金属学报"},"keywords":[{"id":"1dab3c7a-b3ce-45db-a6db-8953538e294b","keyword":"","originalKeyword":""}],"language":"zh","publisherId":"zgysjsxb200005030","title":"CO还原氧化锌生成气态锌和CO2反应的平衡常数","volume":"10","year":"2000"}],"totalpage":4054,"totalrecord":40535}