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豫西张吉口银矿床地质特征及找矿前景 被引量:2
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作者 纵瑞 白德胜 +3 位作者 杨瑞娜 贾盼 千新涛 原永新 《矿产勘查》 2018年第8期1523-1531,共9页
豫西小秦岭地区小河岩体南缘首次发现了张吉口银矿床,矿床类型为受断裂构造控制的中低温热液型脉状银矿床,研究银矿床地质特征、成矿规律对指导区域地质找矿工作具有重要意义。银矿体赋存于中元古界小河二长花岗岩体与中元古界官道口群... 豫西小秦岭地区小河岩体南缘首次发现了张吉口银矿床,矿床类型为受断裂构造控制的中低温热液型脉状银矿床,研究银矿床地质特征、成矿规律对指导区域地质找矿工作具有重要意义。银矿体赋存于中元古界小河二长花岗岩体与中元古界官道口群接触带的F1断裂构造蚀变带中,矿体呈脉状,沿走向具分支复合现象。矿石自然类型为石英脉状—网脉状银矿石、浸染状银矿石。银主要赋存于独立银矿物辉银矿、硫锑铜银矿中,呈他形粒状,粒度较小,黝铜矿中的银以晶格银形式存在。围岩蚀变主要为硅化和绢云母化。断裂构造、蚀变矿化及化探异常为主要找矿标志。综合分析认为张吉口银矿体深部及走向两侧、司家路土壤化探异常区为主要找矿靶区。 展开更多
关键词 小河岩体 银矿床 矿体特征 矿石特征 赋存状态 找矿前景
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超声内镜对早期食管癌局部浸润深度的诊断价值
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作者 袁小志 杨瑞娜 +1 位作者 董彩红 常保萍 《食管疾病》 2022年第3期214-217,共4页
目的对比超声内镜(EUS)、放大窄带成像内镜(ME-NBI)与手术标本活检检查结果,分析EUS对早期食管癌病灶浸润深度的诊断价值。方法将2018年8月至2021年12月在本院接受治疗的109例早期食管癌患者纳为研究对象,所有患者均接受EUS与ME-NBI检查... 目的对比超声内镜(EUS)、放大窄带成像内镜(ME-NBI)与手术标本活检检查结果,分析EUS对早期食管癌病灶浸润深度的诊断价值。方法将2018年8月至2021年12月在本院接受治疗的109例早期食管癌患者纳为研究对象,所有患者均接受EUS与ME-NBI检查,记录两组患者食管癌病灶浸润深度,评价其与病理检查结果的一致性及准确率。结果109例早期食管癌患者中包含超声内镜(EUS)诊断为M1-M2者59例、M3-SM1者34例、SM2及以上者16例。对M1-M2、M3-SM1与SM2及以上病变与病理学比较诊断准确率,EUS分别为40.68%、41.18%、100.00%,而ME-NBI分别为81.36%、79.41%、100.00%;EUS与ME-NBI的总体诊断准确率分布为49.54%和83.49%,ME-NBI明显高于EUS(P<0.05)。EUS检查结果与病理诊断结果一致性一般(Kappa=0.297),ME-NBI IPCL分型与病理诊断结果一致性较高(Kappa=0.764)。结论EUS与ME-NBI均可用于早期食管癌临床诊断,且对SM2及以上者诊断均有较高的准确率;对SM2以下而ME-NBI与病理诊断结果的一致性及准确率均优于EUS诊断,临床上可以结合患者的实际需要选择合适的诊断方法。 展开更多
关键词 超声内镜 放大窄带成像内镜 早期食管癌 浸润深度 临床诊断
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ESCC基因表达谱分析与KRT家族基因的鉴定 被引量:1
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作者 任婧 王登奎 +3 位作者 杨瑞娜 袁小志 刘志伟 王新帅 《食管疾病》 2021年第3期174-178,共5页
目的本研究通过对食管鳞状细胞癌(ESCC)基因表达谱分析,探索ESCC发生、发展及预后的关键基因。方法从THE UCSC XENA数据库下载源自TCGA数据库ESCC和食管正常组织基因表达矩阵,通过Rstudio及在线数据库分析,鉴定关键基因。结果共获得708... 目的本研究通过对食管鳞状细胞癌(ESCC)基因表达谱分析,探索ESCC发生、发展及预后的关键基因。方法从THE UCSC XENA数据库下载源自TCGA数据库ESCC和食管正常组织基因表达矩阵,通过Rstudio及在线数据库分析,鉴定关键基因。结果共获得708个显著差异表达基因,发现KRT(Keratin,角蛋白)家族在ESCC中发挥重要作用,且该家族基因中KRT5、KRT6B、KRT16、KRT79在ESCC中高表达并与ESCC患者预后差相关。结论KRT5、KRT6B、KRT16、KRT79可能为ESCC提供潜在的治疗靶点。 展开更多
关键词 ESCC KRT 生存分析 生物标志物
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Synthesis and Crystal Structure of [Cu (C_8H_4O_2F_3S) (2, 2' -bipy) ]
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作者 WANG Dong-Mei XUE Bao-Yu +2 位作者 yang rui-na JIN Dou-Man(Henan Institute of Chemistry, Zhengzhou 450003)CHEN Liao-Rong LUO Bao-Sheng(Wuhan University, Wuhan 430072) 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 1997年第4期287-289,共3页
Reaction of Cu powder with 2-thenoyltrifluoroacetone and 2, 2-bipygave a complex [Cu(C8H4SO2F3) (2, 2' -bipy)]. The title compound is monoclinic sys-tem, sapce grop C2/c, a= 17. 892(5), b= 18. 495(4), c= 16. 242(6... Reaction of Cu powder with 2-thenoyltrifluoroacetone and 2, 2-bipygave a complex [Cu(C8H4SO2F3) (2, 2' -bipy)]. The title compound is monoclinic sys-tem, sapce grop C2/c, a= 17. 892(5), b= 18. 495(4), c= 16. 242(6) A, β=121. 02(2)°, Z=8, V=4606. 2 A3, Dc= 1. 512 g/cm3, μ= 12. 724 cm-1, F(000) = 1766,Mr = 440. 6, Final R = 0. 061 and R. = 0. 071. X-ray crystal structure analysis revealedthat copper(I) is coordinated by two O and two N atoms. The Cu(I) atom displays anearly square planar coordination geometry. 展开更多
关键词 copper(Ⅰ) complex crystal structure SYNTHESIS
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Synthesis and Structure of (2,2′-Bipyridine) Dibenzoato Copper(Ⅱ) Mono Hydrate 被引量:1
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作者 yang rui-na Wang Dong-Mei +1 位作者 Jin Dou-Man(Henan Institute of Chemistry,Zhengzhou 450003 )Wang Hua-Qin yang Yao(Nanjing University, Manjing 210008) 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 1994年第1期45-47,共3页
Dibenzoyl peroxide undergoes oxidative addition with metallic copper powder and 2, 2’-bipyridine in a mixed solvent (methanol and tetrahydrofuran ) to afford copper(Ⅱ) complex [Cu(2, 2’-bipy) (C<sub>6&... Dibenzoyl peroxide undergoes oxidative addition with metallic copper powder and 2, 2’-bipyridine in a mixed solvent (methanol and tetrahydrofuran ) to afford copper(Ⅱ) complex [Cu(2, 2’-bipy) (C<sub>6</sub>H<sub>5</sub>COO)<sub>2</sub>]· H<sub>2</sub>O. The structure of the cornplex was solved by direct methods and refined by block-diagonal and full-ma-trix least-squares method to a final R of 0. 055 for 2654 independent reflections of I 】3σ(I). Crystals are monoclinic,space group P2<sub>1</sub>/c , Mr= 479. 78 with cell parameters a= 6. 986(7) , b= 18. 833(1), c= 17. 021(3), β=97. 96(1)°, Z=4, Dc=1. 437g. cm ̄(-3), V= 2218. 1. Each copper ion is coordinated by the oxygen atoms of two benzoato groups and the nitrogen atoms of 2. 2’-bipyridine in a planar square geometry. 展开更多
关键词 COPPER complex OXIDATIVE addition crystal STRUCTURE
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Preparation and Crystal Structure of Bis(2-thenoyltrifluoroacetone)Copper(Ⅱ)
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作者 Wang Dong-Mei yang rui-na +1 位作者 Hu Yi-Min Jin Dou-Man(Henan Institute of Chemistry , Zhengzhou 450003) 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 1996年第4期327-329,共3页
Reaction of 2-thenoyltrifluoroacetone with metal copper in methanol gave the complex [Cu(C_8H_4O_2SF_3)_2]. The X-ray crystal structure of the complex has been determined. The crystal is monoclinic, space group P2_1/c... Reaction of 2-thenoyltrifluoroacetone with metal copper in methanol gave the complex [Cu(C_8H_4O_2SF_3)_2]. The X-ray crystal structure of the complex has been determined. The crystal is monoclinic, space group P2_1/c, M_r= 505. 9 with cell parameters α= 10. 582(1) , b=11. 129(2), c=8. 044(3) A, β=104. 61(2)°, Z=2, V = 916. 7A ̄3, D_c=1. 833 g·cm ̄(-3), F(000) =426, μ= 9. 8 cm ̄(-1). The Cu atom is coordinated by four O atoms to form square plane. The average bond length of Cu-O is 1. 905 A. 展开更多
关键词 copper powder copper(Ⅱ) complex crystal structure
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Synthesis and Structure of Di[bis(diphenylphosphino)ethane] Copper(Ⅱ) Dinitrate
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作者 LIN Kun-Hua yang rui-na +2 位作者 CAI Dong-Mei JIN Dou-Man(Henan Institute of Chemistry, Zhengzhou 450003)(Zhengzhou Grain College, Zhengzhou 450052)CHENG Liao-Rong LUO Bao-Sheng(Analysis and Testing Centre, Wuhan University, Wuhan 430072) 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 1996年第5期337-340,共4页
The complex[Cu (dppe)2](NO3)2 was prepared by the reaction of copper(Ⅱ) nitrate with bis(diphenylphosphino) ethane(dppe) in methanol and its crystal structure was determined by X-ray diffraction.The structure was so... The complex[Cu (dppe)2](NO3)2 was prepared by the reaction of copper(Ⅱ) nitrate with bis(diphenylphosphino) ethane(dppe) in methanol and its crystal structure was determined by X-ray diffraction.The structure was solved by direct methods and refined by block-diagonal and full-matrix least-squares methods to a final R of 0.043 for 4085 independent reflections of I>3σ(I).The crystal is monoclinic, space group P21/n,Mr=984.41 with cell parameters a=12.896(2),b=22.250(4),c=17.512(5)A,β=101.6(3)°, V=4922.3 A3,Z=4,Dc=1.590 g/cm3,F(000)=1900,μ=10.573 cm-1. In this complex, C52H48CuN2O6P4, dppe functions as a bidentate chelate ligand. The four phosphorus atoms from two dppe are coordinated to the distorted tetrahedral copper. 展开更多
关键词 copper complex crystal structure SYNTHESIS
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