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| 1 | Chronology and Crust-Mantle Mixing of Ore-forming Porphyry of the Bangongco: Evidence from Zircon U-Pb Age and Hf Isotopes of the Naruo Porphyry Copper-Gold Deposit显示文摘The Naruo porphyry copper-gold deposit(hereinafter referred to as the Naruo deposit) in Tibet is a potentially ultra-large, typical gold-rich porphyry copper deposit, which was recently discovered in the Bangongco-Nujiang metallogenic belt. This study analyzed U-Pb chronology and Hf isotopes of the ore-bearing granodiorite porphyry in the Naruo deposit using the LA-ICPMS dating technique. The results show that the weighted average age is 124.03±0.94Ma(MSWD=1.7, n=20), and 206Pb/238 U isochron age is 126.2±2.7 Ma(MSWD=1.02, n=20), both of which are within the error. The weighted average age represents the crystallization age of the granodiorite porphyry, which indicates that the ore-bearing porphyry in the Naruo deposit area was formed in the Early Cretaceous and further implies that the Neo-tethys Ocean had not been closed before 124 Ma under a typical island-arc subduction environment. The εHf(t) of zircons from the granodiorite porphyry varies from 2.14 to 9.07, with an average of 5.18, and all zircons have εHf(t) values greater than 0; 176Hf/177 Hf ratio is relatively high(0.282725–0.282986). Combined with the zircon age―Hf isotope correlation diagram, the aforementioned data indicate that the source reservoir might be a region that is mixed with depleted mantle and ancient crust, which possibly contains more materials sourced from depleted mantle. Rock-forming ages and ore-forming ages of the Duolong ore concentrate area are 120–124 Ma and 118–119 Ma, respectively, which indicate 124–118 Ma represents the main rockforming and ore-forming stage within the area. The Naruo deposit is located in the north of the Bangongco-Nujiang suture, and it yielded a zircon LA-ICPMS age of 124.03 Ma. This indicates the Bangongco-Nujiang oceanic basin subducted towards the north at about 124 Ma, and the Neo-tethys Ocean had not been closed before the middle Early Cretaceous. It is possible that the crust-mantle mixing formed the series of large and giant porphyry copper-gold deposits in the Bangongco. | ZHOU Xiong FEI Guangchun ZHOU Yu WEN Chunqi ZHANG Yi YUE Xiangyuan | 2015 | Acta Geologica Sinica(English Edition)2015,89,1: | 12 |
| 2 | 4.1 Ga old detrital zircon in western Tibet of China显示文摘4.1 Ga old detrital zircon was found by SHRIMP U-Pb dating for quartz schist from Buring County in western Tibet, Southwest China. This is the oldest zircon U-Pb age found in China so far. The detrital zircon is a zircon of magmatic origin because its Th/ U ratios are 0.76 to 0.86. Two dates older than 4.0 Ga were measured only in one grain. U-Pb ages of 35 measured spots in 24 zircons can be subdivided into 6 groups, corresponding to at least 6 episodes of magmatic activity in the target area. The present results provide an important geochronological constraint on the geological evolution of Qinghai-Tibet Plateau. | DUO Ji WEN ChunQi GUO JianCi FAN XiaoPing LI XiaoWen | 2007 | Chinese Science Bulletin2007,52,1: | 11 |
| 3 | High-temperature infrared camouflage with efficient thermal management显示文摘High-temperature infrared(IR)camouflage is crucial to the effective concealment of high-temperature objects but remains a challenging issue,as the thermal radiation of an object is proportional to the fourth power of temperature(T4).Here,we experimentally demonstrate high-temperature IR camouflage with efficient thermal management.By combining a silica aerogel for thermal insulation and a Ge/ZnS multilayer wavelength-selective emitter for simultaneous radiative cooling(high emittance in the 5-8μm non-atmospheric window)and IR camouflage(low emittance in the 8-14μm atmospheric window),the surface temperature of an object is reduced from 873 to 410 K.The IR camouflage is demonstrated by indoor/outdoor(with/without earthshine)radiation temperatures of 310/248 K for an object at 873/623 K and a 78% reduction in with-earthshine lock-on range.This scheme may introduce opportunities for high-temperature thermal management and infrared signal processing. | Huanzheng Zhu Qiang Li Chunqi Zheng Yu Hong Ziquan Xu HanWang Weidong Shen Sandeep Kaur Pintu Ghosh Min Qiu | 2020 | Light(Science & Applications)2020,9,1: | 8 |
| 4 | Zinccopperite-A New Variety of Zinc-CopperIntermetallic Compounds Discovered in aPorphyry-Copper Deposit显示文摘Zinccopperite (tentatively named) is a rare native alloy mineral discovered in quartz monzonite-porphyry in the Xifanping area, Yanyuan County, Sichuan Province. It is a new variety of zinc-copper alloy mineral found for the first time in the porphyry-copper deposit in China. Its intergrown minerals are K-feldspar (mainly perthite), albite-oligoclase, quartz and biotite; and the associated minerals include pyrite and chalcopyrite. It is characterized by a golden reflection colour, being isotropic (isometric), with the grain size ranging from 10 to 50 μm, microhardness VHN10= 190 kg/mm2, and reflectance RVis= 67.97%. Electron microprobe (Model JXA-733) analysis shows Cu = 59.15%-62.55% and Zn= 36.32%-39.85%. The crystallochemical formula is Cu6.27-7.0Zn4.0, simplified as Cu7Zn4. | XIAO Yuanfu SUN Yan LU Yan WEN Chunqi WANG Jiangzhen | 1998 | Acta Geologica Sinica(English Edition)1998,72,3: | 8 |
| 5 | Detection of serum IgM and IgG for COVID-19 diagnosis显示文摘Dear Editor,Infection with the novel coronavirus(SARS-CoV-2,which is the virus responsible for the coronavirus disease 2019(COVID-19))was first reported in Wuhan,China on December 31,2019.The outbreak of COVID-19 remains ongoing and was linked to more than 80,000 infected patients and more than 3,000 deaths in China as of March 7,2020(Holshue et al.,2020). | Ling Zhong Junlan Chuan Bo Gong Ping Shuai Yu Zhou Yi Zhang Zhilin Jiang Dingding Zhang Xiaoqi Liu Shi Ma Yi Huang He Lin Qingwei Wang Lulin Huang Dan Jiang Fang Hao Juan Tang Chunqi Zheng Hua Yu Zhibin Wang Qi Jiang Tao Zeng Mei Luo Fanwei Zeng Fanxin Zeng Jianghai Liu Junxi Tian Yu Xu Tengxiang Long Kaiju Xu Xingxiang Yang Yuping Liu Yi Shi Li Jiang Zhenglin Yang | 2020 | Science China(Life Sciences)2020,63,5: | 8 |
| 6 | Dielectric metasurfaces for distance measurements and three-dimensional imaging显示文摘Ultrathin metasurfaces have shown the capability to influence all aspects of light propagation.This has made them promising options for replacing conventional bulky imaging optics while adding advantageous optical properties or functionalities.We demonstrate that such metasurfaces can also be applied for single-lens three-dimensional(3-D)imaging based on a specifically engineered point-spread function(PSF).Using Huygens’metasurfaces with high transmission,we design and realize a phase mask that implements a rotating PSF for 3-D imaging.We experimentally characterize the properties of the realized double-helix PSF,finding that it can uniquely encode object distances within a wide range.Furthermore,we experimentally demonstrate wide-field depth retrieval within a 3-D scene,showing the suitability of metasurfaces to realize optics for 3-D imaging,using just a single camera and lens system. | Chunqi Jin Mina Afsharnia RenéBerlich Stefan Fasold Chengjun Zou Dennis Arslan Isabelle Staude Thomas Pertsch Frank Setzpfandt | 2019 | Advanced Photonics2019,1,3: | 7 |
| 7 | Lowering ash slagging and fouling tendency of high-alkali coal by hydrothermal pretreatment显示文摘High-alkali species in coal are notorious for causing ash slagging and fouling incidents.In this paper,four high-alkali coals were individually subject to hydrothermal pretreatment(HTP),within a batch-type autoclave at 300 -C for 1 h,and the treated coals were analyzed,along with the oxygen-containing functional groups determined by Fourier transform infrared spectrometer(FT-IR).Then the alkali species and other components in the coal ash were quantified by X-ray fluorescence(XRF)for evaluating the ash slagging and fouling tendency.Apart from this,FactSage was adopted to simulate the occurrence and transformation of alkali species during coal thermal conversion ending at various temperatures.The findings indicate that the treated coals are superior to the parent ones in terms of certain remarkable changes via HTP.The moisture,oxygen and sulfur of the hydrothermally treated coals decline obviously,while the calorific value rises sharply.HTP could reduce the alkali species to less than 2%(%,by weight,equivalent to Na2O in dry ash),with a maximum removal ratio of 88.9%,lowering the ash slagging and fouling tendency.The proposed mechanism of HTP was that the alkali species in coal matrix became released due to the breakage of the coal functional groups and micropores during HTP. | Mingshun Yang Qiang Xie Xin Wang He Dong Hao Zhang Chunqi Li | 2019 | International Journal of Mining Science and Technology2019,29,3: | 5 |
| 8 | Chemical Synthesis Residual Pyrolysis and Combustion: Kinetics and Evolved Gases Investigated by TG-FTIR显示文摘Chemical synthetic residual is one of the solid wastes generated from pharmaceutical industry.The pyrolysis and combustion characteristics of chemical synthesis residual were investigated using a thermogravimetric analyser coupled with Fourier transform infrared spectroscopy(TG-FTIR)in this study.The processes of pyrolysis and combustion can be divided into three stages.The average weight loss rate of pyrolysis process at low temperature was higher than that of combustion.The kinetic parameters of chemical synthesis residual during pyrolysis and combustion were calculated based on the TG results.Acetic acid and 4-aminophenol were the main evolved matter observed in the pyrolysis process.The emission characteristics of combustion at low temperature were similar to that of the pyrolysis,while CO2 was found as the major gaseous product at high temperature.A high temperature about 850°C is needed to make sure the complete combustion of chemical synthesis residual. | FANG Chunqi JIANG Xuguang LV Guojun YAN Jianhua LIN Xuliang SONG Huibo CAO Junjun | 2020 | Journal of Thermal Science2020,29,1: | 3 |
| 9 | A cabazitaxel liposome for increased solubility, enhanced antitumor effect and reduced systemic toxicity显示文摘The potential side effects of cabazitaxel(CBZ)in the field of cancer treatment have become a great limitation to its further clinical application.Liposomal delivery is a well-established approach to increase the therapeutic index of hydrophobic drugs.In this study,a PEGmodified liposome was developed for efficiently encapsulating CBZ,thus enhancing its specific tumor inhibition effect and reducing the systemic toxicity.It was found that the loading efficiency of CBZ into the liposome could be improved with the increase of lipophilic materials,as it could be over 80%under the weight ratio of 20:1(total lipid:CBZ).The diameter of CBZ loaded liposome(CBZ@Lipo)was^100 nm.And the liposome suspending in aqueous medium was stable at 4°C for at least one month,according to the change of its size distribution.The killing ability of CBZ@Lipo to cancer cells was significantly lower comparing to that of CBZ solution,which could be attributed to the slow release of CBZ from the liposomes.However,CBZ@Lipo could induce an obvious apoptosis of the cancer cells at low concentration.Furthermore,CBZ@Lipo exhibited an expressively enhanced tumor growth inhibition effect comparing to CBZ solution.More importantly,CBZ@Lipo showed an obviously higher biosafety proved by lower hemolysis probability,stable body weight of mice during the whole experiment and no obvious lesion in histology analysis.Our work provided a useful reference of the formulation of CBZ,which had potential for greater clinical application. | Xiaoyi Yin Lihua Luo Wei Li Jie Yang Chunqi Zhu Mengshi Jiang Bing qin Xiaoling Yuan Hang Yin Yichao Lu Yongzhong Du Dawei Chen Jian You | 2019 | Asian Journal of Pharmaceutical Sciences2019,14,6: | 3 |
| 10 | Development of a Zebrafish Model for Rapid Drug Screening against Alzheimer's Disease显示文摘 | Wenhai Huang Chuansheng Li Zhengrong Shen Xiaoyu Zhu Bo Xia Chunqi Li | 2016 | Journal of Pharmacy and Pharmacology2016,4,4: | 2 |
| 11 | The Characteristics of the Drug Composition in the Treatment of Insomnia by External Bath Prescription of Traditional Chinese Medicine显示文摘[Objectives]The research aimed to carry out a retrospective analysis on the characteristics of the drug composition in the treatment of insomnia by external bath prescription of traditional Chinese medicine,to provide ideas for the research and development of new Chinese medicine for insomnia.[Methods]The external bath prescriptions of traditional Chinese medicine related to insomnia were collected,and the appearance frequency of drug was analyzed,and statistical analysis of drug with high appearance frequency was conducted.[Results]In the external bath prescriptions of traditional Chinese medicine related to insomnia,the top ten herbs with high appearance frequency were as follows:Chaozaoren,Drgonsbones,Margaritifera,Yejiaoteng,Schisandrae Chinensis Fructus,Lilii Bulbus,Platycladi Semen,Poria,Coptidis Rhizoma,and Scutellariae Radix.According to the classification by efficacy,these herbs mostly have the effects of calming,nourishing and heat clearing.[Conclusions]Traditional Chinese medicine is most closely related to heart,kidney,liver and other viscera.Tranquilizing and sedative drugs should be chosen,which corresponds with the understanding on pathogenesis of insomnia in traditional Chinese medical science,and embodies the characteristics of external bath prescription of traditional Chinese medicine in the treatment of insomnia. | Xiong CHEN Xi WANG Lizhu LIU Dongyu XIA Gang LI Chunqi AI | 2020 | Medicinal Plant2020,11,4: | 2 |
| 12 | Clinical Observation of Huatanjieyu Granule in the Treatment of Post-stroke Depression显示文摘[Objectives]To observe the clinical effect of Huatanjieyu granule on patients with post-stroke depression.[Methods]Total 76 patients with confirmed post-stroke depression were randomly divided into two groups(treatment group and control group)according to the double-blind principle.The treatment group(38 cases)was treated with Huatanjieyu granule combined with escitalopram,and the control group(38 cases)was treated with escitalopram alone.The course of treatment was 6 weeks.Through clinical efficacy,Hamilton Depression Scale(HAMD)and Treatment Emergent Symptom Scale(TESS)scores were compared,and blood,liver function,renal function and electrocardiogram were examined.[Results]The scores of HAMD and TESS in patients with post-stroke depression were significantly decreased by Huatanjieyu granule,and there were no obvious side effects.The total effective rate was 92.1%in the treatment group and 76.3%in the control group.There was significant difference between the two groups(P<0.01).[Conclusions]Huatanjieyu granule was effective in the treatment of post-stroke depression with little side effects and was easy to be accepted by patients. | Xi WANG Chunqi AI Lizhu LIU Dongyu XIA Qin GONG | 2020 | Medicinal Plant2020,11,3: | 2 |
| 13 | Simple and sensitive assay for nucleic acids by use of Rayleigh light scattering technique with rhodamine B显示文摘 | Liu ying Ma Chunqi Li Kean | 1999 | Anal Chim Acta1999,379,12: | 1 |
| 14 | Design, synthesis and ache inhibitory activity of indanone and aurone derivatives显示文摘 | Chunqi H Yongzhou H Xiao L | 2009 | Eur J Med Chem2009,44,1: | 1 |
| 15 | Investigation of hemostatic effect of Spleeninvigorating,Qi-replenishing and Bloodarresting Formula on simvastatin-induced zebrafish hemorrhage model显示文摘Blood-arresting Formula on simvastatin-induced zebrafish hemorrhage model compared with that of the Heat-clearing and Blood-cooling Formula.Methods:AB strain wild type zebrafish were treated with 0.5 mM simvastatin for 24 hours to establish the zebrafish hemorrhage model.Under strictly blind experimental conditions,the zebrafish were then treated with experimental agents in different concentration within the maximum non-lethal dose.The intervention effect of the Spleen-invigorating,Qi-replenishing and Blood-arresting Formula was comprehensively assessed by examining the main observational parameters such as the bleeding reduction rate and hemostatic rate while referring to the additional parameters such as blood flow,improvement rate of blood flow,velocity of movement,improvement rate of motion under spleen-qi deficiency.Results:Hemostatic effect:The bleeding rate and hemostatic rate in the zebrafish were respectively,30%,15%,45%,40%and 60%,80%,40%,47%when equal concentration of 500 mg/mL,1000 mg/mL were used.This showed that the experimental herbs B1 was superior to B2 in decreasing the bleeding rate and improving hemostatic effect in the zebrafish.Improvement of blood flow:With equal concentration,the experimental herb B1 was superior to B2 in increasing the blood flow and improvement rate of blood flow in hemorrhagic zebrafish.Promotion of the improvement of motion:With equal concentration of 500 mg/mL and 1000 mg/mL,the experimental herb B1 was superior to B2 in promoting the velocity of motion in the zebrafish and promoting the improvement rate of motion.Conclusion:The manifestations of simvastatin-induced zebrafish hemorrhage are basically similar to that of failure of the spleen to control blood in human beings.The Spleeninvigorating,Qi-replenishing and Blood-arresting Formula has good hemostatic effect on simvastatin-induced hemorrhage in the zebrafish.It also boasts the functions of improving blood flow and velocity of motion in the hemorrhagic zebrafish.Such a conclusion provides the experimental basis for the treatment of the syndrome of failure of the spleen to control blood by this formula. | Yuting Chu Ling Zhang Xiaoyu Zhu Yayue Zhang Bo Xia Li Hou Rushun Song Tiantian Li Chunqi Li Qing Dong a Xinyi Chen | 2016 | Journal of Traditional Chinese Medical Sciences2016,3,4: | 1 |
| 16 | Elucidation of mechanisms involved in acid pretreatment and thermal extraction during ashless coal production 显示文摘 | Chunqi li Toshimasa | 2004 | Energy & Fuels 20042004,,: | 1 |
| 17 | Effect of Acid Treatment on Thermal Extraction Yield in Ashless Coal Production显示文摘 | Chunqi li | 2004 | Fuel2004,83,6: | 1 |
| 18 | Spreading evidence models for trust propagation and aggregation in peer‐to‐peer networks显示文摘 | Chunqi Tian Xiaojian Liu Lisheng Wang Shihong Zou | 2014 | Concurrency Computat: Pract Exper2014,,2: | 1 |
| 19 | Nerve growth factor (NGF) combined with oxygen glucose deprivation OGD induces neural ischemia tolerance in PC12 cells 显示文摘 | Mei Chunqi He Jin-ting Mang Jing | 2011 | African Journal of Bi- ochemistry Research2011,5,10: | 1 |
| 20 | Source localization using a sparse representation framework to achieve superresolution显示文摘 | Xiansheng Guo Qun Wan Chunqi Chang Edmund Y. Lam | 2010 | Multidimensional Systems and Signal Processing2010,,4: | 1 |