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| 1 | 新疆望峰金矿成矿流体研究及其成因意义显示文摘新疆望峰金矿,产于中天山结晶基底中的韧性剪切带内。围岩蚀变和流体包裹体研究表明,成矿过程包括了3个阶段,从早到晚有石英黄铁矿阶段、多金属硫化物阶段和石英碳酸盐阶段,温度分别集中在360~520℃、240~360℃和120~240℃;矿化以第Ⅱ阶段为主。成矿流体的δ18O值变化于1.15‰~2.70‰之间,属于变质热液与大气降水热液的混合流体。包裹体成分表明成矿流体来源较浅,但有利于金矿化;CO2/H2O比值多大于0.026,也有利于成矿。而包裹体捕获压力表明成矿作用发生在5.6~1.2km深度范围,主要发生在1.9km左右;矿化过程与地壳抬升伸展的过程一致,自然亦与碰撞造山体制的矿化规律一致。因此,古生代末期的碰撞造山作用导致了望峰金矿的形成,冰达坂断裂两侧是寻找望峰式金矿的有利地带。石英红外光谱分析表明,CO2光密度(D2)及其与H2O光密度(D1)的比值(D2/D1)普遍较高,指示矿化较强;D2>0.55和D2/D10.26是该区富金样品的标志。 | Chen Yanjing 1) Li Xin 1) Jing Jun 2) Gao Xiuli 1) Chen Huayong 1) Wu Xidan 2) Wu Dehua 2) ( 1) Department of Geology, Peking University 2)Team 15 of Gold Headquarters, MMIC, Urumqi ) | 1998 | 地球学报(中国地质科学院院报)1998，19，2： | 18 |
| 2 | Predictive significance of the alterations of p16INK4A, p14AKF, p53, and proliferating cell nuclearantigen expression in the progression of cervical cancer显示文摘 | WANG Jianliu ZHENG Biying LI Xidan | 2004 | Clin Cancer Kes2004，10，7： | 1 |
| 3 | Clinical course of recent onset atrial fibrillation treated with oral propafenone显示文摘 | WEINER P GANAM R XIDAN F etal | 1994 | Chest1994，105，： | 1 |
| 4 | Separation of Gallium and Aluminum from HC1 Solution by Microemulsion显示文摘 | Jing Yang Yanzhao Yang Xidan Zhao | | 0，，12： | 1 |
| 5 | A novel LiFePO 4 /graphene/carbon composite as a performance-improved cathode material for lithium-ion batteries显示文摘 | Chang Su Xidan Bu Lihuan Xu Junlei Liu Cheng Zhang | 2012 | Electrochimica Acta2012，，： | 1 |
| 6 | Clinical course of recent onset atrial fibrillation treated with oral propafenone 显示文摘 | Ganam R Xidan F | 1994 | Chest1994，105，： | 1 |
| 7 | Synthesis of mesoporous MCM-48 with a mixed non-ionic-cationic surfactant templating pathway显示文摘In a hydrothennal system, we studied the influence of nonionic surfactant poly(ethylenglycol) monooc-tylphenyl ether (OP-10) on the self-assembling process of mesoporous molecular sieve MCM-48 and found that OP-10 can decrease the amount of cationic surfactant needed for the preparation of MCM-48 further by its stronger van der Waals force , shorten the synthetic period and produce MCM-48 with more extensive cross-linked framework. By altering the ratio of nonionic surfactant to cationic surfactant, we could obtain the mesoporous molecular sieves with different structures. When the crystallization temperature exceeded -140℃, OP-10 would separate from micelle, lose its amphiphilic character , and then hamper the conversion of lamellar mesoporous molecular sieves into microporous materials. | Wei Zhao Jiandong Yao Xidan Huang Quanzhi Li | 2001 | Chinese Science Bulletin2001，46，17： | 1 |
| 8 | Responsive Trimodal Probes for In Vivo Imaging of Liver Inflammation by Coassembly and GSH-Driven Disassembly显示文摘Noninvasive in vivo imaging of hepatic glutathione(GSH)levels is essential to early diagnosis and prognosis of acute hepatitis.Although GSH-responsive fluorescence imaging probes have been reported for evaluation of hepatitis conditions,the low penetration depth of light in liver tissue has impeded reliable GSH visualization in the human liver.We present a liver-targeted and GSH-responsive trimodal probe(GdNPs-Gal)for rapid evaluation of lipopolysaccharide-(LPS-)induced acute liver inflammation via noninvasive,real-time in vivo imaging of hepatic GSH depletion.GdNPs-Gal are formed by molecular coassembly of a GSH-responsive Gd(III)-based MRI probe(1-Gd)and a liver-targeted probe(1-Gal)at a mole ratio of 5/1(1-Gd/1-Gal),which shows high r_(1) relaxivity with low fluorescence and fluorine magnetic resonance spectroscopic(^(19)F-MRS)signals.Upon interaction with GSH,1-Gd and 1-Gal are cleaved and GdNPs-Gal rapidly disassemble into small molecules 2-Gd,2-Gal,and 3,producing a substantial decline in r_(1) relaxivity with compensatory enhancements in fluorescence and ^(19)F-MRS.By combining in vivo magnetic resonance imaging(^(1)H-MRI)with ex vivo fluorescence imaging and ^(19)F-MRS analysis,GdNPs-Gal efficiently detect hepatic GSH using three independent modalities.We noninvasively visualized LPS-induced liver inflammation and longitudinally monitored its remediation in mice after treatment with an anti-inflammatory drug,dexamethasone(DEX).Findings highlight the potential of GdNPs-Gal for in vivo imaging of liver inflammation by integrating molecular coassembly with GSH-driven disassembly,which can be applied to other responsive molecular probes for improved in vivo imaging. | Yuxuan Hu Yuqi Wang Xidan Wen Yifan Pan Xiaoyang Cheng Ruibing An Guandao Gao Hong-Yuan Chen Deju Ye | 2020 | Research2020，，1： | 0 |
| 9 | Bioavailability of heavy metals in urban particles显示文摘 | Xidan FENG Yan LIU Zhi DANG Weilin HUANG | 2006 | Chinese Journal Of Geochemistry2006，25，B08： | 0 |
| 10 | 互泵浦相位共轭器的阈值耦合强度的分析显示文摘从理论上计算具有两个作用区的互泵浦相位区轭器的阈值耦合强度(γL)th,给出了(γL)th与输入光强比q、光折变晶体内部通道强度传输系数Tt;的规律。 | Guo Siji Li Xiaochun Wang Jieyou (Department of Applied Physics, Xidan University, Xian 710071) | 1995 | 光学学报1995，15，8： | 0 |
| 11 | Intestinal Parasite Infections in Pupils in Haikou City显示文摘 | Xidan Zhu Xiufeng Gan Wei Mao Rong Hu | 2005 | Journal of US-China Medical Science2005，2，6： | 0 |
| 12 | A STUDY OF REDUCED-RANK STAP显示文摘This paper starts with the discussion of the principle of Reduced-Rank (RR) Space-Time Adaptive Processing (STAP). It is followed by a dedication of the upper bound performance of all eigen-based RR methods provided by Cross Spectral Method (CSM) under the condition of a given processor rank and an identical secondary sample size. A performance comparison between two RR STAP processors with prefixed structure and CSM is performed by the means of simulations. It is shown that the performance of time pre-filtering followed by jointly localized STAP structure (i.e. 3DT-SAP) is very close to the upper bound and thereby it is an effective RR approach. | Zhang Liang Bao Zheng Liao Guisheng (Key Lab. for Radar Signal Processing, Xidan University, Xi’an 710071, China) | 2000 | Journal of Electronics(China)2000，17，4： | 0 |
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