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| 1 | The porosity origin of dolostone reservoirs in the Tarim, Sichuan and Ordos basins and its implication to reservoir prediction显示文摘Origin of dolostone remained a controversial subject, although numerous dolomitization models had been proposed to date. Because of the dolomitization's potential to be hydrocarbon reservoirs, one debatable issue was the role of dolomitization in porosity construction or destruction. Based upon case studies of dolostone reservoirs in various geological settings such as evaporative tidal flat(Ordos Basin, NW China), evaporative platform(Sichuan Basin, SW China), and burial and hydrothermal diagenesis(Tarim Basin, NW China), here we systematically discuss the origin of porosity in dolostone reservoirs. Contrary to traditional concepts, which regarded dolomitization as a significant mechanism for porosity creation, we found two dominant factors controlling reservoir development in dolostones, i.e., porosity inherited from precursor carbonates and porosity resulted from post-dolomitization dissolution. Actually, dolomitization rarely had a notable effect on porosity creation but rather in many cases destroyed pre-existing porosity such as saddle dolostone precipitation in vugs and fractures. Porosity in dolostones associated with evaporative tidal flat or evaporative platform was generally created by subaerial dissolution of evaporites and/or undolomitized components. Porosity in burial dolostones was inherited mostly from precursor carbonates, which could be enlarged due to subsequent dissolution. Intercrystalline porosity in hydrothermal dolostones was either formed during dolomitization or inherited from precursor carbonates, whereas dissolution-enlarged intercrystalline pores and/or vugs were usually interpreted to be the result of hydrothermal alteration. These understandings on dolostone porosity shed light on reservoir prediction. Dolostone reservoirs associated with evaporative tidal flat were laterally distributed as banded or quasi-stratified shapes in evaporite-bearing dolostones, and vertically presented as multi-interval patterns on tops of shallowing-upward cycles. Dolostone reservoirs associated with evaporative platform commonly occurred along epiplatforms or beneath evaporite beds, and vertically presented as multi-interval patterns in dolostones and/or evaporite-bearing dolostones of reef/shoal facies. Constrained by primary sedimentary facies, burial dolostone reservoirs were distributed in dolomitized, porous sediments of reef/shoal facies, and occurred vertically as multi-interval patterns in crystalline dolostones on tops of shallowing-upward cycles. Hydrothermal dolomitization was obviously controlled by conduits(e.g., faults, unconformities), along which lenticular reservoirs could develop. | ZHAO WenZhi SHEN AnJiang ZHENG JianFeng QIAO ZhanFeng WANG XiaoFang LU JunMing | 2014 | Science China Earth Sciences2014，57，10： | 23 |
| 2 | Digitized Outcrop Geomodeling of Ramp Shoals and its Reservoirs: as an Example of Lower Triassic Feixianguan Formation of Eastern Sichuan Basin显示文摘Numerous hydrocarbon accumulations are found in ramp crest shoals worldwide and therefore this depositional setting has a high potential of being the hydrocarbon reservoir.In this paper,we combined digital outcrop geology and traditional geological mapping to build an outcrop-based geocellular model of the ramp-crest shoal complex of the Lower Triassic Feixianguan Formation in the Eastern Sichuan Basin.The outcrop model serves as an analogue for the subsurface reservoir of the Feixianguan Formation and illustrates the complexity of the lithofacies types,stratigraphic architecture,and reservoir heterogeneities at a scale below conventional subsurface data resolution.The studied ramp-crest shoal complex consists of thirteen types of lithofacies that can be grouped into three facies-groups corresponding to subtidal intraclastic shoal,sub-to inter-tidal oolitic shoal,and tidal flat depositional environments respectively.The stratigraphic architecture of the shoal complex shows mostly a strong progradation of the high energy facies associated with an overall decrease of accommodation space associated with relative sea level still stand.Two reservoir facies associations have been recognized.The first one consists of supratidal dolomudstone and upper intertidal partially dolomitized oolitic packstone with anhydrite or nodules.These facies were deposited above the high energy oolitic grainstones and occurs as thin-bedded and laterally continuous layers,characterized by high porosity and low permeability.The second reservoir facies association is composed of intertidal crystalline dolomite and subtidal intraclastic bindstone that occurs stratigraphically below the oolitic grainstones.These deposits consist of massive laterally discontinuously beds,and are characterized by high porosity and high permeability.Both types of reservoir facies tend to be stacked vertically and migrated laterally with the progradation of the shoal complex.The construction of the outcrop-based 3D geological model provide a description and quantification of the facies distribution within a robust stratigraphic framework and the style and amount of reservoir heterogeneities associated with a ramp-crest shoal complex reservoir such as the one found in Lower Triassic Feixianguan Formation and Cambrian Longwangmiao Formation in Sichuan Basin or other ramp-crest reservoir worldwide. | QIAO Zhanfeng SHEN Anjiang ZHENG Jianfeng Xavier JANSON CHANG Shaoying WANG Xiaofang CHEN Yana LIAO Yisha | 2017 | Acta Geologica Sinica(English Edition)2017，91，4： | 8 |
| 3 | Free standing and bendable carbon nanotubes/TiO2 nanofibres composite electrodes for flexible lithium ion batteries显示文摘 | Peng Zhang Jingxia Qiu Zhanfeng Zheng | 2013 | Electrochimica Acta2013，104，1： | 1 |
| 4 | Layered Titanate Nanofibers as Efficient Adsorbents for Removal of Toxic Radioactive and Heavy Metal Ions from Water显示文摘 | Dongjiang Yang Zhanfeng Zheng Hongwei Liu | 2008 | The Journal of Physical Chemistry C2008，112，16： | 1 |
| 5 | Structure Evolution in a Hydrothermal Reaction between Nb2O5 and NaOH solution:From Nb2O5 Grains to Microporous Na2Nb2O62/3 H2O Fibers and NaNbO3 Cubes显示文摘 | Huaiyong Zhu Zhanfeng Zheng Xueping Gao | 2006 | Journal of the American Chemical Society2006，128，： | 1 |
| 6 | Removal of radioactive iodine from water using Ag2O grafted titanate nanolamina as efficient adsorbent显示文摘 | Bo A Sarina S Zhanfeng Zheng | 2013 | Journal of Hazardous Materials2013，，： | 1 |
| 7 | Titanate Nanofibers as Intelligent Absorbents for the Removal of Radioactive Ions fro Water显示文摘 | Dongjiang Yang Zhanfeng Zheng Huaiyong Zhu | 2008 | Advanced Materials2008，20，： | 1 |
| 8 | An efficient photocatalyst structure:TiO2 (B) nanofibers with a shell of anatase nanocrystals显示文摘 | Yang Dongjiang Liu Hongwei Zheng Zhanfeng | 2009 | J Am Chem Soc2009，131，17： | 1 |
| 9 | Characteristics and discovery significance of the Upper Triassic–Lower Jurassic marine shale oil in Qiangtang Basin,China显示文摘Mesozoic marine shale oil was found in the Qiangtang Basin by a large number of hydrocarbon geological surveys and shallow drilling sampling.Based on systematic observation and experimental analysis of outcrop and core samples,the deposition and development conditions and characteristics of marine shale are revealed,the geochemical and reservoir characteristics of marine shale are evaluated,and the layers of marine shale oil in the Mesozoic are determined.The following geological understandings are obtained.First,there are two sets of marine organic-rich shales,the Lower Jurassic Quse Formation and the Upper Triassic Bagong Formation,in the Qiangtang Basin.They are mainly composed of laminated shale with massive mudstone.The laminated organic-rich shale of the Quse Formation is located in the lower part of the stratum,with a thickness of 50–75 m,and mainly distributed in southern Qiangtang Basin and the central-west of northern Qiangtang Basin.The laminated organic-rich shale of the Bagong Formation is located in the middle of the stratum,with a thickness of 250–350 m,and distributed in both northern and southern Qiangtang Basin.Second,the two sets of laminated organic-rich shales develop foliation,and various types of micropores and microfractures.The average content of brittle minerals is 70%,implying a high fracturability.The average porosity is 5.89%,indicating good reservoir physical properties to the level of moderate–good shale oil reservoirs.Third,the organic-rich shale of the Quse Formation contains organic matters of types II1 and II2,with the average TOC of 8.34%,the average content of chloroform bitumen'A'of 0.66%,the average residual hydrocarbon generation potential(S1+S2)of 29.93 mg/g,and the Ro value of 0.9%–1.3%,meeting the standard of high-quality source rock.The organic-rich shale of the Bagong Formation contains mixed organic matters,with the TOC of 0.65%–3.10%and the Ro value of 1.17%–1.59%,meeting the standard of moderate source rock.Fourth,four shallow wells(depth of 50–250 m)with oil shows have been found in the organic shales at 50–90 m in the lower part of the Bagong Formation and 30–75 m in the middle part of the Quse Formation.The crude oil contains a high content of saturated hydrocarbon.Analysis and testing of outcrop and shallow well samples confirm the presence of marine shale oil in the Bagong Formation and the Quse Formation.Good shale oil intervals in the Bagong Formation are observed in layers 18–20 in the lower part of the section,where the shales with(S0+S1)higher than 1 mg/g are 206.7 m thick,with the maximum and average(S0+S1)of 1.92 mg/g and 1.81 mg/g,respectively.Good shale oil intervals in the Quse Formation are found in layers 4–8 in the lower part of the section,where the shales with(S0+S1)higher than 1 mg/g are 58.8 m thick,with the maximum and average(S0+S1)of 6.46 mg/g and 2.23 mg/g,respectively. | SHEN Anjiang FU Xiaodong ZHANG Jianyong WEI Xuebin HU Anping WANG Jian XIONG Shaoyun FU Xiugen XIE Yuan LIU Siqi LI Xi WANG Xin HE Xunyun QIAO Zhanfeng ZHENG Jianfeng DUAN Junmao | 2023 | Petroleum Exploration and Development2023，50，5： | 0 |
| 10 | Synergetic roadmap of carbon neutrality and clean air for China显示文摘It is well recognized that carbon dioxide and air pollutants share similar emission sources so that synergetic policies on climate change mitigation and air pollution control can lead to remarkable co-benefits on greenhouse gas reduction,air quality improvement,and improved health.In the context of carbon peak,carbon neutrality,and clean air policies,this perspective tracks and analyzes the process of the synergetic governance of air pollution and climate change in China by developing and monitoring 18 indicators.The 18 indicators cover the following five aspects:air pollution and associated weather-climate conditions,progress in structural transition,sources,inks,and mitigation pathway of atmospheric composition,health impacts and benefits of coordinated control,and synergetic governance system and practices.By tracking the progress in each indicator,this perspective presents the major accomplishment of coordinated control,identifies the emerging challenges toward the synergetic governance,and provides policy recommendations for designing a synergetic roadmap of Carbon Neutrality and Clean Air for China. | Qiang Zhang Zhicong Yin Xi Lu Jicheng Gong Yu Lei Bofeng Cai Cilan Cai Qimin Chai Huopo Chen Hancheng Dai Zhanfeng Dong Guannan Geng Dabo Guan Jianlin Hu Cunrui Huang Jianing Kang Tiantian Li Wei Li Yongsheng Lin Jun Liu Xin Liu Zhu Liu Jinghui Ma Guofeng Shen Dan Tong Xuhui Wang Xuying Wang Zhili Wang Yang Xie Honglei Xu Tao Xue Bing Zhang Da Zhang Shaohui Zhang Shaojun Zhang Xian Zhang Bo Zheng Yixuan Zheng Tong Zhu Jinnan Wang Kebin He | 2023 | Environmental Science and Ecotechnology2023，，4： | 0 |
| 11 | Visible-light-driven Hydroamination of Alkynes over a New Type of Activated Carbon Immobilized Cu^(2+)Photocatalyst显示文摘A new type of activated carbon immobilized copper(Cu/AC)photocatalyst was prepared by a facile impregnation-adsorption method,where Cu^2+is chemically adsorbed by abundant oxygenated functional groups on large-surface-area activated carbon surface.Cu/AC exhibited good activity and selectivity to imine for the hydroamination of alkynes at 60℃under visible light irradiation.The reaction is initialized by the activation of alkynes molecules at Cu active sites with the aid of light as evidenced by the solid-state NMR and laser photolysis measurements and the control experiments.This strategy for catalyst design is potentially extended to the immobilization of other metal homogeneous catalysts for various heterogeneous catalytic systems. | GU Xianmo MA Pengwei LIU Pei WANG Ruiyi LI Xincheng ZHENG Zhanfeng | 2020 | Chemical Research in Chinese Universities2020，36，6： | 0 |
| 12 | Switching of CO_(2)hydrogenation selectivity via chlorine poisoning over Ru/TiO_(2)catalyst显示文摘It is fascinating to explore the distribution of CO_(2)hydrogenation products regulated by heterogeneous catalysts,as both the chemical state of surface metals and structure of the support itself of the supported catalysts may affect the performance of CO_(2)hydrogenation.Herein,the complete switching of CO_(2)hydrogenation products from CH4 to CO can be realized by induction of Cl into Ru/TiO_(2)catalyst.Density functional theory(DFT)calculations indicated that Cl ions were mainly located on the Ru metal sites of Ru/TiO_(2)catalysts.Bader charge analysis and Ru 3p X-ray photoelectron spectra(XPS)results suggested that electrons transferred from Ru to Cl,resulting in the decrease of electron density of Ru.In situ diffuse reflectance infrared Fourier transform spectroscopy(DRIFTS)of CO_(2)hydrogenation and CO adsorption proved that with the increase of the Cl ion content,the adsorption of CO on the catalyst surface was significantly weakened,and resulted in the high CO selectivity.Our work demonstrates the role of Cl ions in regulating the distribution of CO_(2)hydrogenation products,and provides new ideas for regulating other catalytic processes. | Jin Zhang Mengting Gao Ruiyi Wang Xincheng Li Tianfen Huang Jing Wang Yunwei Wang Zhanfeng Zheng | 2023 | Nano Research2023，16，4： | 0 |
| 13 | 长期磷添加对热带森林土壤磷酸单酯酶与磷酸二酯酶活性比值的影响显示文摘热带森林土壤微生物可以通过改变不同类型的磷酸酶活性来适应低磷的环境。以往的研究认为,低磷环境中土壤微生物更倾向于分解有机磷单酯键而非二酯键。因此,磷酸单酯酶(PME)的活性变化对生态系统磷输入的响应可能更敏感,其与磷酸二酯酶(PDE)活性的比值在磷输入后将显著降低。为了检验土壤微生物在低磷的热带森林中对不同磷酸酶的“投资”策略,我们在鼎湖山3种热带森林进行了长达10年的磷添加实验。与以往的研究不同,本研究发现长期磷添加没有改变原生林与次生林的PME:PDE比值,但显著提高了人工林土壤PME:PDE比值。结果表明,长期磷添加可能减少了凋落物或穿透雨来源的PDE,从而使其土壤PDE活性下降较PME降低更快,因而PME:PDE比值未能降低。 | Taiki Mori Senhao Wang Cong Wang Ji Chen Cheng Peng Mianhai Zheng Juan Huang Faming Wang Zhanfeng Liu Jiangming Mo Wei Zhang | 2023 | Journal of Plant Ecology2023，16，3： | 0 |
| 14 | Geographic range size patterns across plants and animals of Xinjiang,China显示文摘Patterns in species geographic range size are relatively well-known for vertebrates,but still poorly known for plants.Contrasts of these patterns between groups have rarely been investigated.With a detailed flora and fauna distribution database of Xinjiang,China,we used regression methods,redundancy analysis and random forests to explore the relationship of environment and body size with the geographic range size of plants,mammals and birds in Xinjiang and contrast these patterns between plants and animals.We found positive correlations between species range size and body size.The range size of plants was more influenced by water variables,while that of mammals and birds was largely influenced by temperature variables.The productivity variable,i.e.,Enhanced Vegetation Index(EVI)was far more correlated with range size than climatic variables for both plants and animals,suggesting that vegetation productivity inferred from remote sensing data may be a good predictor of species range size for both plants and animals. | LiPing Li ChunYan Zhang Eimear Nic Lughadha Tarciso CCLeão Kate Hardwick YaoMin Zheng HuaWei Wan Ming Ma Nurbay Abudusalih Ying Hai Zhen Pu JiangShan Lai ZhanFeng Shen Li Liu Tuo Wang YangMing Jiang HuiHui Zhao QingJie Liu | 2022 | Research in Cold and Arid Regions2022，14，1： | 0 |
| 15 | Design of Bore Diameter Measuring System with Optical Fiber Link显示文摘DesignofBoreDiameterMeasuringSystemwithOpticalFiberLink①SHANGLiping,ZHENGDezhong,LiZhanfeng,YANGYutao(YanshanUniversity,Qinhu... | SHANG Liping,ZHENG Dezhong,Li Zhanfeng,YANG Yutao (Yanshan University,Qinhuangdao 066004,CHN) | 1998 | Semiconductor Photonics and Technology1998，4，1： | 0 |
| 16 | Red list assessments of Chinese higher plants显示文摘Based on the two most recent assessments of Chinese higher plants in 2013 and 2020,of 34,450 and 39,330 species,respectively,we analysed the threatened status of Chinese higher plants.In 2020,around 4,088(10.39%)of the assessed species in China are threatened,2,875(7.31%)Near Threatened,27,593(70.16%)not currently threatened and categorised as Least Concern and 4,752(12.08%)categorised as Data Deficient.While in 2013,3,767(10.93%)of the assessed higher plants in China are threatened,2,723(7.90%)Near Threatened,24,296(70.53%)Least Concern and 3,612(10.48%)Data Deficient.Estimates of the Red List Index in the two years show different patterns when using different weighting methods with the equal steps weighting method showing a slight decrease(0.91675-0.91495)and the extinction risk weighting method showing a slight increase(0.98792-0.98797).We inferred that China's threatened plant species were likely/relatively effectively protected.However,attention should also be given to the non-threatened species in the future as an additional strategy for their conservation,to maintain their non-threatened status. | Liping Li Haining Qin Eimear Nic Lughadha Yaomin Zheng Huawei Wan Jack Plummer Melanie-Jayne R.Howes Huiyuan Liu Yangming Jiang Tuo Wang Huihui Zhao Zhanfeng Shen Huiping Huang | 2023 | International Journal of Digital Earth2023，16，1： | 0 |
| 17 | Dynamic aggregation of carbon dots self-stabilizes symmetry breaking for exceptional hydrogen production with near-infrared light显示文摘Developing new photosystems that integrate broad-band near-infrared(NIR)light harvesting and efficient charge separation is a long-sought goal in the photocatalytic community.In this work,we develop a novel photochemical strategy to prepare light-active carbon dots(CDs)under room temperature and discover that the aggregation of CDs can broaden the light absorption to the NIR region due to the electronic couplings between neighboring CDs.Importantly,the dynamic noncovalent interactions within CD aggregates can stabilize symmetry breaking and thus induce large dipole moments for charge separation and transfer.Furthermore,the weak non-covalent interactions allow for flexible design of the aggregated degrees and the local electronic structures of CD aggregates,further strengthening NIR-light harvesting and charge separation efficiency.As a result,the CD aggregates achieve a record apparent quantum yield of 13.5%at 800 nm,which is one of the best-reported values for NIR-light-driven hydrogen photosynthesis to date.Moreover,we have prepared a series of different CDs and also observed that these CDs after aggregation all exhibit outstanding NIR-responsive photocatalytic hydrogen production activity,suggesting the universality of aggregation-enhanced photocatalysis.This discovery opens a new promising platform for using CD aggregates as efficient light absorbers for solar conversion. | Qi Zhang Ya Zhang Hu Shi Hongxia Zhang Jianghong Zhao Zhanfeng Zheng Hengquan Yang Pengju Yang | 2024 | Aggregate2024，5，1： | 0 |
| 18 | Controllable Generation of Reactive Oxygen Species on Cyano-Group-Modified Carbon Nitride for Selective Epoxidation of Styrene显示文摘The controlled generation of reactive oxygen species(ROS)to selectively epoxidize styrene is a grand challenge.Herein,cyano-group-modified carbon nitrides(CNCY_(x) and CN-T_(y))are prepared,and the catalysts show better performance in regulating ROS and producing styrene oxide than the cyano-free sample.The in situ diffuse reflectance infrared and density functional theory calculation results reveal that the cyano group acts as the adsorption and activation site of oxygen.X-ray photoelectron spectroscopy and NMR spectrum results confirm that the cyano group bonds with the intact heptazine ring.This unique structure could inhibit H_(2)O_(2) and,OH formation,resulting in high selectivity of styrene oxide.Furthermore,high catalytic activity is still achieved when the system scales up to 2.7 L with 100 g styrene under solar light irradiation.The strategy of cyano group modification gives a new insight into regulating spatial configuration for tuning the utilization of oxygen-active species and shows potential applications in industry. | Hao Tan Peng Kong Riguang Zhang Mengting Gao Meixian Liu Xianmo Gu Weifeng Liu Zhanfeng Zheng | 2021 | The Innovation2021，2，1： | 0 |
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