{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"本文研究了叠加相干态的Wehrl熵和Shannon熵,并讨论了 Shannon熵与广义坐标压缩性的关系。结果表明Wehrl熵和Shannon熵 与叠加参数有关系,且叠加参数对Shannon熵的影响较大。","authors":[{"authorName":"于国臣","id":"b7aa480e-6d1c-434c-96d8-bb5f99a24394","originalAuthorName":"于国臣"},{"authorName":"","id":"a104e42a-876b-44b1-9a07-0fcab334214f","originalAuthorName":"屈爱存"},{"authorName":"王连水","id":"da8889fe-16f4-4855-b675-ba35d4abd32e","originalAuthorName":"王连水"}],"doi":"10.3969/j.issn.1007-5461.2000.01.006","fpage":"27","id":"9f70bf5f-0bac-4cf5-80d7-94850d28e36d","issue":"1","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":"ea81e920-3640-475c-82bd-2eb95b1479bf","keyword":"叠加相干态","originalKeyword":"叠加相干态"},{"id":"6adfb8ea-584d-463d-8b27-88c336370294","keyword":"Wehrl熵","originalKeyword":"Wehrl熵"},{"id":"1c785328-ada5-45be-97fa-7c10f4d5191e","keyword":"Shannon熵","originalKeyword":"Shannon熵"}],"language":"zh","publisherId":"lzdzxb200001006","title":"叠加相干态的Wehrl熵和Shannon熵","volume":"17","year":"2000"},{"abstractinfo":"报道了抗白血病药物克拉滨的合成新方法:在NaH作用下,廉价易得的6-氯嘌呤高选择性地在β位和1-氯-2-脱氧-3,5-二-O-对氯苯甲酰基-D-核糖缩合;β-缩合物的2位在三氟乙酸酐和四丁基硝酸铵作用下引入硝基;在NH4 Cl/EtOH作用下,2-硝基转化为2-氯;最后在饱和NH3/CH3 OH溶液中完成保护基脱除和6-氯氨解两步反应,以4步共43.5%的总收率得到抗白血病药物克拉滨。该方法完全避免了α异构体的生成,原料廉价易得,分离纯化不需柱层析,且反应扩大到100 g规模时,收率无下降,具有较好的应用前景。","authors":[{"authorName":"夏然","id":"58cf0631-ebec-41ea-a002-c389a6386d83","originalAuthorName":"夏然"},{"authorName":"孙莉萍","id":"1df45b35-9ff6-4ed7-b1c3-74c46516f271","originalAuthorName":"孙莉萍"},{"authorName":"渠桂荣","id":"09ce74c7-2e61-428c-b385-ce21ae34eb35","originalAuthorName":"渠桂荣"},{"authorName":"陈磊山","id":"2694a79c-0e3c-48c2-8264-423808611782","originalAuthorName":"陈磊山"}],"doi":"10.11944/j.issn.1000-0518.2016.11.160027","fpage":"1274","id":"f8b86b79-bc8e-42c4-9905-f89d86861850","issue":"11","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"dcadf097-74cf-42ac-94db-37760af279a2","keyword":"氯嘌呤","originalKeyword":"氯嘌呤"},{"id":"95653512-a645-41d5-962a-fe0fe6504d7b","keyword":"克拉滨","originalKeyword":"克拉屈滨"},{"id":"00ee8895-00bb-46ff-9d54-d781e322a525","keyword":"硝化反应","originalKeyword":"硝化反应"},{"id":"cbaddcf3-4ee7-4676-88e5-05305e878f6d","keyword":"规模合成","originalKeyword":"规模合成"}],"language":"zh","publisherId":"yyhx201611007","title":"抗白血病药物克拉滨的合成","volume":"33","year":"2016"},{"abstractinfo":"针对LED显示控制系统中移频率受限于SDRAM的有效读取频率的问题,提出一种加速移频率的方法.以LED显示控制系统的硬件逻辑为基础,建立扫描频率、移频率、SDRAM有效读取频率等关键参数的相关数学模型,分析影响扫描频率的各种因素,提出图像数据拆分重组算法用于提高SDRAM的有效读取频率和移频率.利用硬件逻辑实现该算法后,移频率由原来的8.25 MHz提升到66 MHz,这就可以最大限度的发挥LED灯驱动芯片的移能力,LED显示屏扫描频率也随之大幅提高.","authors":[{"authorName":"郝亚茹","id":"5b5a9ab3-045a-40c3-86c5-63990172a515","originalAuthorName":"郝亚茹"},{"authorName":"邓招奇","id":"179a7445-a2ec-4f6a-b7e1-378770007edd","originalAuthorName":"邓招奇"},{"authorName":"邓春健","id":"08e01e29-983a-4762-aef4-a5e168370b1e","originalAuthorName":"邓春健"}],"doi":"10.3788/YJYXS20163105.0470","fpage":"470","id":"18612cbb-e94b-44de-b3ed-1bc208b5b170","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":"4af1a200-4a56-4b3b-a346-24f9e2327d98","keyword":"移频率","originalKeyword":"移存频率"},{"id":"994ec6a3-f6c8-4d04-89c2-2fe0ff138ae2","keyword":"SDRAM","originalKeyword":"SDRAM"},{"id":"67c511f5-a360-4266-accc-3ff9d49026d2","keyword":"扫描频率","originalKeyword":"扫描频率"},{"id":"0a60bef0-3999-4bf0-9500-54f41939aa67","keyword":"拆分重组","originalKeyword":"拆分重组"}],"language":"zh","publisherId":"yjyxs201605008","title":"LED显示控制系统移频率加速方法研究","volume":"31","year":"2016"},{"abstractinfo":"以南京化学工业园的土壤为研究对象,分析土壤中重金属 Cr (Ⅵ)和 Pb 对赤子胜蚓( Eisenia fetida)生长及繁殖的影响.结果表明,与对照组比较,暴露28 d时,较低浓度的Cr(Ⅵ)(4—8 mg·kg-1)和Pb (1000—1500 mg·kg-1)能促进赤子胜蚓的生长发育,而较高浓度的 Cr (Ⅵ)(32—64 mg·kg-1)和 Pb (3000 mg·kg-1)则显著抑制赤子胜蚓的生长发育;赤子胜蚓的产茧量随着Cr(Ⅵ)和Pb浓度的升高被显著抑制,其中,Cr(Ⅵ)抑制赤子胜蚓产茧量的EC50(半数有效浓度)、NOEC(无观察效应浓度)和LOEC(最低观察效应浓度)分别为22.86(20.56—25.42)、8、16 mg·kg-1.Pb抑制赤子胜蚓产茧量的EC50、NOEC和LOEC分别为2280.34(2200.90—2362.65)、1500、2000 mg·kg-1;与人工土壤中Cr(Ⅵ)和Pb对赤子胜蚓产茧量的28 d?EC50有显著性差异.","authors":[{"authorName":"王婉华","id":"56c0256b-8e9d-4416-8d00-2edbe16d5059","originalAuthorName":"王婉华"},{"authorName":"陈丽红","id":"82c06f44-bbd1-47d7-85ac-e87161293dd9","originalAuthorName":"陈丽红"},{"authorName":"刘征涛","id":"34013e0e-300a-47a1-9070-633565d7f135","originalAuthorName":"刘征涛"},{"authorName":"王晓南","id":"9861afea-5b8b-4eab-b0f2-a88f572fde40","originalAuthorName":"王晓南"},{"authorName":"张聪","id":"e3e42c92-bd94-4515-a584-20f19a33f6a7","originalAuthorName":"张聪"}],"doi":"10.7524/j.issn.0254-6108.2015.10.2015042102","fpage":"1839","id":"eb7346f9-7a48-4866-8f84-f151fae42a9a","issue":"10","journal":{"abbrevTitle":"HJHX","coverImgSrc":"journal/img/cover/HJHX.jpg","id":"43","issnPpub":"0254-6108","publisherId":"HJHX","title":"环境化学 "},"keywords":[{"id":"22c25278-6ff3-4289-b46c-6d39e0877541","keyword":"Cr(Ⅵ)","originalKeyword":"Cr(Ⅵ)"},{"id":"8e5f019a-d464-4d25-9be2-62079ccad618","keyword":"Pb","originalKeyword":"Pb"},{"id":"b2ec3ebf-4267-4f92-9cdd-8b75ddd0d149","keyword":"南京土壤","originalKeyword":"南京土壤"},{"id":"01cbdd03-6b43-436d-a903-aa16fb01de6a","keyword":"人工土壤","originalKeyword":"人工土壤"},{"id":"7d8797cd-ca53-4118-8f3f-8ab316810eac","keyword":"赤子胜蚓","originalKeyword":"赤子爱胜蚓"},{"id":"145126d8-eb5f-4534-a3db-377047f31d87","keyword":"生长","originalKeyword":"生长"},{"id":"644ae44e-0c0d-470a-9a2d-90e245c9dc5f","keyword":"繁殖","originalKeyword":"繁殖"}],"language":"zh","publisherId":"hjhx201510011","title":"重金属铬(Ⅵ)和铅对南京土壤中赤子胜蚓生长及繁殖的影响?","volume":"","year":"2015"},{"abstractinfo":"应用固相微萃取与高效液相色谱联用技术(SPME-HPLC)分析了环境水样中的痕量(艹)/()。对SPME的条件如萃取时间、萃取温度、离子强度、解吸方式、解吸溶剂、解吸时间和HPLC条件进行了优化,建立了SPME-HPLC分析环境水样中痕量(艹)/()的方法,并将其用于分析自来水、雨水、矿泉水和江水等实际水样。方法的线性范围为0.013 μg/L~3.0 μg/L,检出限为2.7 ng/L ,相对标准偏差(RSD,n=6)为5.6%,回收率为103.2%~119.3%。该方法适合于环境水样中痕量(艹)/()的分析,体现了SPME在样品前处理中快速、灵敏、简单、无溶剂的特点。","authors":[{"authorName":"王超英","id":"4e454393-2712-40f7-b7df-600b676fdd50","originalAuthorName":"王超英"},{"authorName":"陶敬奇","id":"d2b16cbb-2ce3-4f6e-bc72-3a505092a7d8","originalAuthorName":"陶敬奇"},{"authorName":"李碧芳","id":"40183ad6-906f-4dd8-9daf-3e1a092ce8c4","originalAuthorName":"李碧芳"},{"authorName":"马志玲","id":"b26f6c4e-0d36-44ea-a519-d84b832cc0ff","originalAuthorName":"马志玲"},{"authorName":"李攻科","id":"92917dd7-352a-4020-b096-5313d3bd5c1f","originalAuthorName":"李攻科"}],"doi":"10.3321/j.issn:1000-8713.2002.01.015","fpage":"59","id":"eea47b0e-6e89-45e9-9b36-939e8f5fa59b","issue":"1","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"3ad3b827-74b5-465a-9649-458051eb3168","keyword":"固相微萃取","originalKeyword":"固相微萃取"},{"id":"c6ffb913-2d89-4a66-b16f-3ded107c62e4","keyword":"高效液相色谱","originalKeyword":"高效液相色谱"},{"id":"3f519ca8-a7c2-418c-89da-1cc48ad5683f","keyword":"联用","originalKeyword":"联用"},{"id":"31baee60-f11c-48aa-9c25-2664274b7a5a","keyword":"(艹)","originalKeyword":"(艹屈)"}],"language":"zh","publisherId":"sp200201015","title":"固相微萃取-高效液相色谱联用分析环境水样中的痕量(艹)","volume":"20","year":"2002"},{"abstractinfo":"针对寿王坟铜矿的空区窿矿石进行了室内摇瓶浸出试验和柱浸试验.试验表明寿王坟铜矿的矿石仅采用化学浸出,铜的浸出率较低,为46%左右,采用细菌浸出可将铜的浸出率提高26%,达72%.铜的浸出率与矿石的粒度成反比,即矿石的粒度越大,铜的浸出率越小.在生产中,先用酸浸出,然后再用细菌浸出的方案,既可加快铜的浸出,又可以降低浸矿时的酸耗,降低生产成本.","authors":[{"authorName":"王玉山","id":"a82452c2-00ed-433e-bec3-7afaac786c9f","originalAuthorName":"王玉山"},{"authorName":"王燕","id":"f4e58700-5823-4094-aa3f-1dbf8e81ab71","originalAuthorName":"王燕"}],"doi":"10.3969/j.issn.1001-1277.2002.07.004","fpage":"11","id":"d510d744-9d69-4668-bd36-ab51d8657f1f","issue":"7","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"6662ed15-93d7-42cd-8441-4d44f4861014","keyword":"溶浸","originalKeyword":"溶浸"},{"id":"01c8b983-459c-4b58-8753-1a66eab7bf21","keyword":"采矿","originalKeyword":"采矿"},{"id":"f81b5773-e5de-4e4d-89ca-cce4ae92f535","keyword":"资源利用","originalKeyword":"资源利用"}],"language":"zh","publisherId":"huangj200207004","title":"采空区窿铜矿石室内可浸性试验研究","volume":"23","year":"2002"},{"abstractinfo":"准分子激光在光手术中获得了迅速发展,193 nm的准分子激光刻蚀角膜表面,改变角膜表面的光学结构从而矫正光不正,而且由于其微小的力学和热效应,不会损伤邻近组织.本文研究了激光和生物组织的相互作用,定性确定了光斑与角膜表面粗糙度关系,定量分析了193 nm准分子激光高斯光束的切削量与能量密度的关系.在此基础上,给出准分子激光应用到眼科治疗机中的原理图、光程度与激光消融量的关系和具体算法,最后通过PMMA板的实验验证,并已应用到临床,取得了良好的效果.","authors":[{"authorName":"沈建新","id":"1cbff4fa-b7fe-4787-9b6d-e27c7cd48b55","originalAuthorName":"沈建新"},{"authorName":"周儒荣","id":"dcce9a41-b044-426c-b4c1-25ad5eb885b6","originalAuthorName":"周儒荣"},{"authorName":"宗仁鹤","id":"078a4930-b723-4c6f-8dda-3d5d9327c10a","originalAuthorName":"宗仁鹤"}],"doi":"10.3969/j.issn.1007-5461.2003.05.013","fpage":"570","id":"d57eb6f1-f9e1-4745-9c9f-1e6c14cbc146","issue":"5","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":"64280c8b-2de5-47e2-aa0c-801043686e5f","keyword":"准分子激光","originalKeyword":"准分子激光"},{"id":"6846071a-6b90-450b-88f7-bb142d02b040","keyword":"生物机理","originalKeyword":"生物机理"},{"id":"196e7fad-014b-4f27-b4df-63ee91416b8e","keyword":"光矫正","originalKeyword":"屈光矫正"},{"id":"0378ffc5-8c89-46f3-8548-3ab1be4e4b1e","keyword":"眼科","originalKeyword":"眼科"}],"language":"zh","publisherId":"lzdzxb200305013","title":"准分子激光与角膜组织的相互作用及在光矫正中的应用","volume":"20","year":"2003"},{"abstractinfo":"建立了尿样中可卡因(COC)及其代谢物冈宁甲基酯(EME)的气相色谱检测方法. 采用液液萃取法提取尿样中可卡因和冈宁甲基酯,考察了萃取剂种类和用量、试样pH值以及萃取时间等因素对提取效果的影响. 结果表明,尿样中COC和EME的最佳液液萃取条件是:以V(氯仿)∶ V(异丙醇)=9∶ 1为提取溶剂,调节样品溶液pH=9.5,在40 ℃水浴振荡提取6 min. COC和EME日内精密度分别为1.73%和1.44%,日间精密度分别为2.57%和2.89%,最低检出限(LOD)为0.040 mg/L. 此法无需衍生化、快速、准确、灵敏度高,可同时检测尿样中COC和EME的含量.","authors":[{"authorName":"叶能胜","id":"a1cfee26-8466-4f01-9a91-4a5af72095f5","originalAuthorName":"叶能胜"},{"authorName":"王小波","id":"5e52dc4a-e5be-4e94-aed2-3810c3a32c78","originalAuthorName":"王小波"},{"authorName":"王继芬","id":"6cb547e8-6cd1-4bbb-849b-7246eaf98a54","originalAuthorName":"王继芬"},{"authorName":"谷学新","id":"81f0e322-86e9-4166-8d7b-6acdd07d52b6","originalAuthorName":"谷学新"}],"doi":"10.3724/SP.J.1095.2010.90847","fpage":"1221","id":"c63a4620-6100-4e3b-9839-faad838245ed","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":"9f4e5e75-e840-4cc4-ace4-dbc1892e9542","keyword":"液液萃取","originalKeyword":"液液萃取"},{"id":"1c73371e-cc10-4c9e-abb4-cd9437acc471","keyword":"气相色谱","originalKeyword":"气相色谱"},{"id":"8510917b-03f0-4b3b-977f-b20e51a508fc","keyword":"可卡因","originalKeyword":"可卡因"},{"id":"ae9ebe34-214a-47b4-9143-bb34b90db16b","keyword":"冈宁甲基酯","originalKeyword":"爱冈宁甲基酯"},{"id":"08018102-8d9a-4015-a5d5-59195827b038","keyword":"尿液","originalKeyword":"尿液"}],"language":"zh","publisherId":"yyhx201010020","title":"气相色谱法测定尿液中可卡因及其代谢物冈宁甲基酯","volume":"27","year":"2010"},{"abstractinfo":"阐述了基于传统泼斯坦(Epstein)方圈法的电工钢片磁性能测量技术的新进展,主要涉及排除方圈角部双搭接结构区域被测试样磁性能不均匀性影响的双Epstein方圈法,以及考虑了方圈不同部位总比损耗不同的磁路长度加权处理法.通过分析以Epstein方圈法为基础的直流偏磁工况磁测量技术发展现状和存在的问题,对方圈法在直流偏磁性能测量技术方面的应用及发展进行了展望.","authors":[{"authorName":"高洁","id":"23baea47-68ba-4a4e-9f95-462991450b43","originalAuthorName":"高洁"},{"authorName":"杨富尧","id":"92fee45a-cbba-402d-b475-b388a411e753","originalAuthorName":"杨富尧"},{"authorName":"马光","id":"d8b26b05-ca15-4689-ba88-4a53ffa55d15","originalAuthorName":"马光"},{"authorName":"程灵","id":"ef23c806-873e-4912-901d-445f6143f4b8","originalAuthorName":"程灵"},{"authorName":"陈新","id":"fc0b60a5-ed1e-4470-96d3-bb497cfc7283","originalAuthorName":"陈新"},{"authorName":"孔晓峰","id":"af6539a3-c58c-45e6-a14f-3503cc19848c","originalAuthorName":"孔晓峰"}],"doi":"10.11896/j.issn.1005-023X.2016.03.023","fpage":"121","id":"394944fd-bed5-4785-96e3-905298f32219","issue":"3","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"8c18e62e-264d-4c24-9873-a921dab0772d","keyword":"磁特性测量","originalKeyword":"磁特性测量"},{"id":"fe91a88a-dddc-4a5b-ad81-b2ac7ad2272a","keyword":"电工钢片","originalKeyword":"电工钢片"},{"id":"33f00d97-24fb-4a75-8dba-10a16fc56131","keyword":"直流偏磁","originalKeyword":"直流偏磁"},{"id":"f1663b11-37d3-416b-b220-4e96368a258a","keyword":"泼斯坦方圈","originalKeyword":"爱泼斯坦方圈"}],"language":"zh","publisherId":"cldb201603023","title":"泼斯坦方圈法及其在直流偏磁性能测量方面的应用研究现状及展望","volume":"30","year":"2016"},{"abstractinfo":"建立了血液中可卡因(cocaine, COC)及其代谢物冈宁甲基酯(ecgonine methyl ester, EME)的气相色谱-质谱(CG-MS)和气相色谱-氢火焰离子化检测(GC-FID)方法.该方法采用微波萃取提取血液中的COC和EME,优化并确定了最佳提取条件:以氯仿-异丙醇(体积比为9:1)混合溶液为提取溶剂,用0.05 mol/L Na2CO3-NaHCO3缓冲溶液调节样品溶液的pH至10.0,在40 ℃下微波萃取6 min;采用GC-MS对萃取液中的COC和EME进行定性,采用GC-FID进行定量检测.COC和EME的平均回收率分别为79.91%~99.85%,相对标准偏差(RSD)均小于3.10% ,检出限(S/N=3)分别为60 mg/L 和40 mg/L.该方法无需衍生化,快速、准确、灵敏,可同时检测血液中的COC和EME.","authors":[{"authorName":"王小波","id":"c7134ec0-4975-4889-aa09-e24c4e4799a2","originalAuthorName":"王小波"},{"authorName":"叶能胜","id":"a192c2af-e54e-4011-8a52-126bad552387","originalAuthorName":"叶能胜"},{"authorName":"王继芬","id":"fb0b4413-07ec-40dc-819d-b385fc172b0a","originalAuthorName":"王继芬"},{"authorName":"谷学新","id":"3740f94b-5d58-44cf-a5ae-a61e13f238ca","originalAuthorName":"谷学新"}],"doi":"10.3724/SP.J.1123.2010.00673","fpage":"673","id":"e4df9454-c510-47d1-960f-189b2444307a","issue":"7","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"1c34095c-9594-4845-9849-7ca819fe63ea","keyword":"微波萃取","originalKeyword":"微波萃取"},{"id":"f5f7eae1-de8f-4c60-a5fe-e9349c1d9592","keyword":"气相色谱-质谱","originalKeyword":"气相色谱-质谱"},{"id":"1611deb5-c650-409a-80ca-740fd677a8cf","keyword":"气相色谱-火焰离子化检测","originalKeyword":"气相色谱-火焰离子化检测"},{"id":"b7ac94d3-8918-423f-a89f-0e909e06b9e2","keyword":"可卡因","originalKeyword":"可卡因"},{"id":"c4a28d9d-8c84-4733-a0dd-ad55cec120fa","keyword":"冈宁甲基酯","originalKeyword":"爱冈宁甲基酯"},{"id":"26dbe844-3f71-462c-bda0-30592c82b0b5","keyword":"血液","originalKeyword":"血液"}],"language":"zh","publisherId":"sp201007008","title":"微波萃取-气相色谱法测定血液中的可卡因及其代谢物冈宁甲基酯","volume":"28","year":"2010"}],"totalpage":14,"totalrecord":135}