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| 1 | The Xiamaling oil shale generated through Rhodophyta over 800 Ma ago显示文摘A suit of oil shales, predominated by black argillaceous silicalite and finely laminated black-brown shale, has been discovered in a set of carbonaceous-siliceous mudstone formations (350 m in thickness) in the third member of Xiamaling Formation of the Upper Proterozoic Qingbaikou Series (900―873 MaBP), Xiahuayuan, Hebei Province, China. The oil shale, combustible with strong bitumen odour, has su- per-high TOC contents ranging from 21.4% to 22.9%, bitumen “A” contents from 0.58% to 0.88% and oil length from 5.29% to 10.57%. The ultrathin section observation of the shale and the identification of its kerogen demonstrate that its hydrocarbon-generative parent material is mainly benthonic Rhodophyta whose specific tetrasporangia are legible and abundant. It is rarely reported in the literature that such a hydrocarbon-generative parent material, composed mainly of Rhodophyta and with extraordinarily high contents of TOC and bitumen “A”, developed into a set of high-quality source rocks. The extracts of the oil shale are characteristic of richness in 17α(H)-diahopanes and n-alkyl tricyclic terpenoids but low in steranes. Such a biomarker feature is obviously different from that of the extracts from other Proterozoic marine carbonate source rocks of the studied area. Since the biological constitution of this oil shale is rather simple, it is clear that these biomarkers most likely represent to certain extent the specific mo- lecular constitutions of the benthonic Rhodophyta identified in the ultrathin sections of the samples. Studies on its lithologic association and depositional sequences suggest that this suit of the carbona- ceous-siliceous mudstone formation, which contains oil shales, was probably developed in an under- compensation deep-bay environment when a maximum transgression occurred during the formation of the third member of Xiamaling Formation. The high concentration of SiO2 in this organic-rich rock and the positive correlation between TOC and some trace elements such as P, Cu, Ni, W and Mo indicate that this suit of rocks was affected by activities of bottom thermal currents as deposited. | ZHANG ShuiChang ZHANG BaoMin BIAN LiZeng JIN ZhiJun WANG DaRui CHEN JianFa | 2007 | Science China Earth Sciences2007，50，4： | 12 |
| 2 | Developmental modes of the Neoproterozoic-Lower Paleozoic marine hydrocarbon source rocks in China显示文摘Based on the researches on rock type, the mode of occurrence, diagnostic minerals and creatures, the sedimentary geochemistry and organic facies of Chinese marine source rocks from wells and outcrops, and on the research findings of developmental modes of foreign marine source rock, the authors consider that it is impossible to objectively make clear the formation mechanism of hydrocarbon source rock with high organic matter abundance by either single mode of preservation or high organic matter productivity. According to the Chinese geological features, the formation mechanism of the Neoproterozoic-Lower Paleozoic marine source rock is generalized into four modes, namely, thermal water activity-upwelling flow-anoxic; carbonate gentle slope-upwelling flow; xerothermic climate-brine euxinic milieu; and humid climate-retained euxinic milieu; as the Lower Cambrian undercompensation basin organic facies (the Tarim Basin, South China and southwestern margin of North China), carbonate gentle lime mud bound organic facies (the Upper Ordovician in Tazhong region of the Tarim Basin and the Lower Silurian in the Upper Yangtze Platform), the Middle Cambrian evaporation laggon organic facies (the Tarim Basin and the Upper Yangtze Platform), enclosed undercompensation terrigenous bay organic facies (the Middle-Upper Ordovician in the west of the Tarim Basin, the Lower Silurian Longmaxi Formation in the Upper Yangtze platform). Chinese marine sedimentations with lower organic matter abundance are generalized into two modes of consumption-dilution mode of open epicontinental sea and depletion-dilution mode of supercompensation basin. | ZHANG BaoMin ZHANG ShuiChang BIAN LiZeng JIN ZhiJun WANG DaRui | 2007 | Chinese Science Bulletin2007，52，A01： | 4 |
| 3 | INFLUENCES OF MARINE FLOOR HYDROTHERMAL ACTIVITY ON ORGANIC MATTER ABUNDANCE IN MARINE CARBONATE ROCKS——A CASE STUDY OF MIDDLE-UPPER PROTEROZOIC IN THE NORTHERN PART OF NORTH CHINA显示文摘Study indicates that the elements rich in marine floor hydrothermal fluids have a positive in- fluence, not only on total organic carbon (TOC), but also on the abundance of SiO2 in some Middle-Upper Proterozoic strata. The TOC bears a better positive correlation with abundance of SiO2. By the correlation analysis between organic matter and sea-floor hot fluid characterized trace elements such as P, Cu, Zn, Ni, Ba, etc in marine carbonate rocks, we conclude that organic matter enrichment of carbonate rocks were related to marine floor hydrothermal activity in a part of layers. Some thin-layered cherts, which were thought to be the indicators of hydrothermal activity, frequently occurring in Gaoyuzhuang, Wumishan, Tieling and Xiamaling formation support our conclu- sion. With the increasing of trace elements in marine carbonate rocks, the TOC and Fe/Ti ratio is creasing. In contrast, the Al/(Al+Fe+Mn) ratio is usually de- creasing. | WANG Jie CHEN Jianfa BAO Zhidong ZHANG Shuichang XU Yongchang WANG Darui | 2006 | Chinese Science Bulletin2006，51，5： | 3 |
| 4 | Geochemical evidence for mudstone as the possible major oil source rock in the Jurassic Turpan Basin, Northwest China显示文摘 | Chen Jianping Qin Yong Huff B G Wang Darui Hart Dexin Huang Difan | 2001 | OrgGeochem2001，32，9： | 1 |
| 5 | Shape-selective alkylation of benzene with ethylene over a core–shell ZSM-5@MCM-41 composite material显示文摘A series of ZSM-5@MCM-41 core-shell composite materials prepared via a multi-cycle-sol-gel coating strategy is investigated as the catalyst for benzene alkylation with ethylene,in which both ethylbenzene and para-diethylbenzene(p-DEB)are aimed as the target products.With multi-cycle-sol-gel coating,the external acid sites on the samples are gradually passivated by the inert MCM-41 shell.As a result,the shape selectivity to p-DEB is greatly enhanced.Nevertheless,the coating of mesoporous MCM-41 shell on ZSM-5 accelerates deactivation of the catalyst only due to the dilution effect of ZSM-5 content in the catalyst at the same space velocity,which is a reason that core-shell ZSM-5@MCM-41 will potentially be a practical catalyst in shape selective alkylation of benzene.In order to enhance the yield of p-DEB on ZSM-5@MCM-41,the reaction conditions at the fixed bed reactor including temperature,the molar rate of benzene to ethylene and GHSV,are also optimized. | Zhenhao Shen Chongwei Ma Darui Wang Junlin He Hongmin Sun Zhirong Zhu Weimin Yang | 2021 | Chinese Journal of Chemical Engineering2021，34，9： | 1 |
| 6 | The design and implementation of smart battery management system balance technology显示文摘 | Zhang Xiujuan Liu Peide Wang Darui | 2011 | Journal of Convergence Information Technology2011，6，5： | 1 |
| 7 | Geochemical evidence for mudstone as the possible major oil source rock in the Jurassic Turpan Basin, Northwest China显示文摘 | Chen Jianping Qin Yong Huffe B G Wang Darui Han Dexin Huang Difan | 2001 | Org Geochem2001，32，9： | 1 |
| 8 | Phenylfluorenamine-functionalized poly(N-vinylcarbazole)s as dopant-free polymer hole-transporting materials for inverted quasi-2D perovskite solar cells显示文摘In order to improve the efficiency and stability of inverted three-dimensional(3D) or quasi-2D perovskite solar cells(PSCs) for future commercialization, exploring high efficient dopant-free polymer holetransporting materials(HTMs) is still desired and meaningful. One simple and efficient way to achieve high performance dopant-free HTMs is to synthesize novel non-conjugated side-chain polymers via rational molecular design. In this work, N-(4-methoxyphenyl)-9,9-dimethyl-9H-fluoren-2-amine(FMeNPh) groups are introduced into the poly(N-vinylcarbazole)(PVK) side chains to afford two nonconjugated polymers PVCz-DFMeNPh and PVCz-FMeNPh as dopant-free HTMs in inverted quasi-2D PSCs. Benefited from the flexible properties of polyethylene backbone and excellent optoelectronic natures of FMeNPh side-chain groups, PVCz-DFMeNPh with more FMeNPh units exhibited excellent thermal stability, well-matched energy levels and improved charge mobility as compared to PTAA and PVCzFMeNPh. Moreover, the morphologies investigation of quasi-2D perovskite on PVCz-DFMeNPh shows more compact and homogeneous perovskite films than those on PTAA and PVCz-FMeNPh. As a result,the dopant-free PVCz-DFMeNPh based inverted quasi-2D PSCs deliver power conversion efficiency(PCE) up to 18.44% as well as negligible hysteresis and favorable long-term stability, which represents as excellent performance reported to date for inverted quasi-2D PSCs. The results demonstrate the great potentials of constructing non-conjugated side-chain polymer HTMs based on phenylfluorenamine-func tionalized PVK for the development of high efficient and stable inverted 3D or quasi-2D PSCs. | Zhengwu Pan Han Gao Yingying Yang Qin Zou Darui Peng Pinghui Yang Jiangli Cai Jin Qian Jiewei Li Chengrong Yin Nana Wang Renzhi Li Jianpu Wang Wei Huang | 2022 | Journal of Energy Chemistry2022，31，6： | 1 |
| 9 | Prediction of Favorable Gas Accumulation Zones in the Western Part of Southern Margin in Junggar Basin显示文摘PredictionofFavorableGasAccumulationZonesintheWesternPartofSouthernMargininJunggarBasin￥SongYan,DaiJinxing,WangDarui,SunYongx... | Song Yan, Dai Jinxing,Wang Darui,Sun Yongxiang and Hong Feng(Research Institute of Petroleum Expioration and Developmenl,CNPC) | 1995 | China Oil & Gas1995，2，3： | 0 |
| 10 | Adaptive Robust Servo Control for Vertical Electric Stabilization System of Tank and Experimental Validation显示文摘A tracking stability control problem for the vertical electric stabilization system of moving tank based on adaptive robust servo control is addressed.This paper mainly focuses on two types of possibly fast timevarying but bounded uncertainty within the vertical electric stabilization system:model parameter uncertainty and uncertain nonlinearity.First,the vertical electric stabilization system is constructed as an uncertain nonlinear dynamic system that can reflect the practical mechanics transfer process of the system.Second,the dynamical equation in the form of state space is established by designing the angular tracking error.Third,the comprehensive parameter of system uncertainty is designed to estimate the most conservative effects of uncertainty.Finally,an adaptive robust servo control which can effectively handle the combined effects of complex nonlinearity and uncertainty is proposed.The feasibility of the proposed control strategy under the practical physical condition is validated through the tests on the experimental platform.This paper pioneers the introduction of the internal nonlinearity and uncertainty of the vertical electric stabilization system into the settlement of the tracking stability control problem,and validates the advanced servo control strategy through experiment for the first time. | Darui Lin Xiuye Wang Yimin Wang Guolai Yang | 2024 | Defence Technology(防务技术)2024，31，1： | 0 |
| 11 | Hierarchical ZSM-5 zeolite with radial mesopores:Preparation,formation mechanism and application for benzene alkylation显示文摘Hierarchical ZSM-5 zeolite with radial mesopores is controllably synthesized using piperidine in a NaOH solution.The piperidine molecules enter the zeolite micropores and protect the zeolite framework from extensive desilication.The areas containing fewer aluminum atoms contain fewer piperidine protectant molecules and so they dissolve first.Small amounts of mesopores are then gradually generated in areas with more aluminum atoms and more piperidine protectant.In this manner,radial mesopores are formed in the ZSM-5 zeolite with a maximal preservation of the micropores and active sites.The optimal hierarchical ZSM-5 zeolite,prepared with a molar ratio of piperidine to zeolite of 0.03,had a mesopore surface area of 136 m·g and a solid yield of 80%.The incorporation of the radial mesopores results in micropores that are interconnected which shortened the average diffusion path length.Compared to the parent zeolite,the hierarchical ZSM-5 zeolite possesses more accessible acid sites and has a higher catalytic activity and a longer lifetime for the alkylation of benzene. | Darui Wang Hongmin Sun Wei Liu Zhenhao Shen Weimin Yang | 2020 | Frontiers of Chemical Science and Engineering2020，14，2： | 0 |
| 12 | A model for carbon isotope distribution of methane duringdiagenesis显示文摘The evolution of methane carbon isotope with depth has been discussed based on diagenetic reaction kinetics and isotopic Rayleigh fractionational theory. A mathematical model to describe data of methane carbon isotope for the Liaohe oil field has been established. | Ping Guan Yongchang Xu Wenhui Liu Darui Wang | 1998 | Chinese Science Bulletin1998，43，7： | 0 |
| 13 | Monitoring and evaluation of disaster risk caused by linkage failure and instability of residual coal pillar and rock strata in multi-coal seam mining显示文摘Comprehensive research methods such as literature research,theoretical analysis,numerical simulations and field monitoring have been used to analyze the disasters and characteristics caused by the linkage failure and instability of the residual coal pillars-rock strata in multi-seam mining.The effective monitoring area and monitoring design method of linkage instability of residual coal pillar-rock strata in multi-seam mining have been identified.The evaluation index and the risk assessment method of disaster risk have been established and the project cases have been applied and validated.The results show that:①The coal pillar will not only cause disaster in singleseam mining,but also more easily cause disaster in multi-seam mining.The instability of coal pillars can cause not only dynamical disasters such as rock falls and mine earthquakes,but also cause surface subsidence and other disasters.②When monitoring the linkage instability of residual coal pillar-rock strata,it is not only necessary to consider the monitoring of the apply load body(key block),the transition body(residual coal pillar)and the carrier body(interlayer rock and working face),but also to strengthen the monitoring of the fracture development height(linkage body).③According to the principles of objectivity,easy access and quantification,combined with investigation,analysis,and production and geological characteristics of this mining area,the main evaluation indexes of the degree of disaster caused by linkage instability of residual coal pillar-rock strata are determined as:microseismic energy,residual coal pillar damage degree,fracture development height.And the evaluation index classification table was also given.④According to the measured value of the evaluation index,the fuzzy comprehensive evaluation method was used to calculate the disaster risk degree in the studied mine belongs to class III,that is,medium risk level.The corresponding pressure relief technology was adopted on site,which achieved a good control effect,and also verified the accuracy and effectiveness of the risk evaluation results. | Qing Ma Xiaoli Liu Yunliang Tan Yurui Wang Ruosong Wang Enzhi Wang Xuesheng Liu Zenghui Zhao Darui Ren Weiqiang Xie Ruipeng Qian Nan Hu | 2023 | Geohazard Mechanics2023，1，4： | 0 |
| 14 | Energy Conservation is Crucial to Chinese Energy Strategy显示文摘 | Wang Darui | 2005 | China Oil & Gas2005，12，2： | 0 |
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