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| 1 | The main controlling factors and developmental models of Oligocene source rocks in the Qiongdongnan Basin,northern South China Sea显示文摘Coals developed in the Oligocene Yacheng and Lingshui formations in the Qiongdongnan Basin have high organic matter abundance,and the dark mudstones in the two formations have reached a good source rock standard but with strong heterogeneity.Through the analysis of trace elements,organic macerals and biomarkers,it is indicated that plankton has made little contribution to Oligocene source rocks compared with the terrestrial higher plants.The organic matter preservation depends on hydrodynamics and the redox environment,and the former is the major factor in the study area.During the sedimentary period of the Yacheng Formation,tidal flats were developed in the central uplift zone,where the hydrodynamic conditions were weak and the input of terrestrial organic matter was abundant.So the Yacheng Salient of the central uplift zone is the most favorable area for the development of source rocks,followed by the central depression zone.During the sedimentary period of the Lingshui Formation,the organic matter input was sufficient in the central depression zone due to multiple sources of sediments.The semi-enclosed environment was favorable for organic matter accumulation,so high quality source rocks could be easily formed in this area,followed by the Yacheng salient of central uplift zone.Source rocks were less developed in the northern depression zone owing to poor preservation conditions. | Li Wenhao Zhang Zhihuan Li Youchuan Liu Chao Fu Ning | 2013 | Petroleum Science2013，10，2： | 7 |
| 2 | The Effect of High Temperature after Anthesis on Rice Quality and Starch Granule Structure of Endosperm显示文摘To ascertain the effect mechanism of high temperature after anthesis on rice quality,the experiment was conducted with two rice lines,the heat-tolerant line 996 and heat-sensitive line 4628,with high temperature and optimal temperature in the growth chamber to investigate the effect of high temperature stress after anthesis on rice appearance quality,milling quality,cooking and eating quality and starch granule structure of endosperm. The result showed that milled rice rate,head rice rate,amylose content and gel consistency of both lines decreased under high temperature stress after anthesis,while the ratio of grain length to width,chalky rate,chalkiness,protein content increased. Under high temperature treatments,gelatinization temperature,final viscosity,set back and peak time increased,breakdown decreased,Mg content and K content increased,Mg / K ratio decreased. Under same treatment,the extent of rice quality of heat tolerant line 996 affected by high temperature was lower than that of heat sensitive line 4628. Under high temperature stress after anthesis,starch granule arranged untightly,most of starch granules existed in the form of a single starch endosperm,refractive index decreased,transparency reduced,and led to the formation of chalk. Under high temperature stress after anthesis,the increase of protein content,the decrease of Mg / K,the changes of rice RVA profile characteristics and starch granule structure of endosperm could be the main reason for the decrease of rice cooking and eating quality and appearance quality. | Zhang Guilian Liao Bin Li Bo Cai Zhihuan | 2016 | Meteorological and Environmental Research2016，7，3： | 6 |
| 3 | Some aspects of excellent marine source rock formation:implications on enrichment regularity of organic matter in continental margin basins显示文摘Through the analysis of ocean organisms, the distribution characteristics and enrichment of organic matters in modern marine sediments and ancient marine strata, this paper shows that the main factors influencing the formation of excellent marine source rocks are the paleoclimate, biologic productivity, terrestrial organic matter, oxidation–reduction environment, sedimentation rate, and the type of the basin. In addition to those factors,high biologic productivity or high content of terrestrial organic matter input is a requirement for the enrichment of the organic matter in a marine environment. Reducing environment was favorable for organic matter accumulation and preservation in depositing and early diagenesis stage, which is an important element for the formation of high-quality marine source rocks. Paleoclimate also influences the marine source rocks formation, as humid subtropical and tropical climates are the most favorable regimes for the formation of marine source rocks. Wind transports some vascular plant materials into the marine environment. Furthermore, upwellings driven by steady wind can cause high biologic productivity, thus formingorganic-C-rich mud. Suitable sedimentation rate is beneficial for marine organic matter accumulation. Moreover, the type of the basin also plays an important role in the development of marine source rocks. Silled basins with a positive water balance often act as nutrient traps, thus enhancing both productivity and organic matter preservations, while in open oceans, organic matter enrichment in sediments has just been found in the oxygen minimum layers. | Wenhao Li Zhihuan Zhang Youchuan Li | 2015 | Chinese Journal Of Geochemistry2015，34，1： | 3 |
| 4 | Fluid inclusions and oil charge history in the reservoirs of the Yongjin oilfield in central Junggar Basin显示文摘In the Yongjin oilfield of southern Junggar Basin, many wells have been drilled to produce industrial oils. Based on the analysis of fluid inclusions in the reservoirs, in combination with the geological and thermal evolution, the charge history in this area has been studied. The results indicate that the Jurassic Formation and Cretaceous Formation reservoirs contain abundant oil and gas inclusions, and four types of fluid inclusions have been distinguished. According to the homogenization temperatures of the fluid inclusions, the hydrocarbons charged the Cretaceous Formation for two periods, one ranges from the Late Cretaceous period to the Eogene period, and the other ranges from the Neocene period to the present. The oil filling history is correlated with the oil source correlation analysis, which is controlled by the movement of the Che-Mo plaeo uplift. Overall, oil accumulation is characterized by the superposition of two sets of source rocks for two stages in the Shawan depression. | Xie Guanbao Qin Liming Zhang Zhihuan Li Wenhao | 2013 | Chinese Journal Of Geochemistry2013，32，1： | 2 |
| 5 | Achieving higher performances without an external curing agent in natural magnolol-based epoxy resin显示文摘Bio-based epoxy thermoset prepared from renewable biomass raw materials can alleviate fossil energy crisis and reduce environmental pollution,which satisfies the needs of sustainable social development.In this study,a bio-based epoxy thermoset precursor(MGOL-EP) was synthesized from a naturally occurring magnolol through a facile and efficient one-step process.And the fully bio-based epoxy thermoset(MGOL-EP-SC) was obtained by self-curing without adding any other hardener.MGOL-EP-SC revealed an extremely high glass-transition temperature(T_(g)) of 265℃ and char yield of 53.2%(in N;),which were at the highest level among the fully bio-based epoxy thermosets reported so far.In addition,when the MGOL-EP was cured with 4,4’-methylenedianiline(DDM),T_(g)of the MGOL-EP/DDM was decreased by 61℃ and the other comprehensive performance had also been decreased,which was due to a reduction in biphenyl structure content and cross-linking density by adding the external curing agents.Moreover,the MGOL-EP-SC presented certain killing rate(48.4%) to Staphylococcus aureus.These findings provide a new design strategy for engineering high-performance and functional epoxy thermoset with high biomass content. | Qi Cao Zhihuan Weng Yu Qi Jiahui Li Wentao Liu Chengde Liu Shouhai Zhang Zhiyong Wei Yousi Chen Xigao Jian | 2022 | Chinese Chemical Letters2022，33，4： | 2 |
| 6 | New perspective of Miocene marine hydrocarbon source rocks in deep-water area in Qiongdongnan Basin of northern South China Sea显示文摘Drilling wells reveal that the organic matter abundance of Miocene marine source rocks in shallow water area of the Qiongdongnan Basin is relatively low with poor hydrocarbon generation poten- tial. However, in some drilling wells of deep water area close to the central depression belt, Miocene marine source rocks with better organic matter abundance and hydrocarbon generation have been found, which have achieved better source rock standard based on the analysis of geochemical charac- teristics. Although there are no exploratory wells in deep water area of the research region, through the comparative analysis of geochemical data of several typical exploratory wells respectively from shallow water area in the basin, central depression belt margin in deep-water area of the basin and Site 1148 of deep sea drilling in the South China Sea Basin, it reveals that the tendency of the quality of source rocks becomes positive gradually from delta to bathyal environment, which then becomes negative as in deep oceanic environment. Owing to the lack of terrestrial organic matter input, the important controlling factors of Miocene marine source rocks in the Qiongdongnan Basin are ocean productivity and preservation conditions of organic matter. The element geochemistry data indicate that the tendency of the paleoproductivity and the preservation conditions of organic matter become positive as water depth increase from shallow area to bathyal area close to central depression belt. So it is speculated that there must exist high quality source rocks in the central depression area where the preservation conditions of organic matter are much better. Besides, in theory, in oxygen-poor zone of oceanic environment at the water depth 400-1 000 m, the preservation conditions of organic matter are well thus forming high-quality marine source rocks. The result- ing speculation, it is reasonable to consider that there are high hydrocarbon generation potential source rocks in bathyal environment of the Qiongdongnan Basin, especially at the water depth 400- 1 000 m. | LI Wenhao ZHANG Zhihuan LI Youchuan FU Ning | 2012 | Acta Oceanologica Sinica2012，31，5： | 2 |
| 7 | Combination and superimposition of source kitchens and their effects on hydrocarbon accumulation in the hinterland of the Junggar Basin,west China显示文摘In the hinterland of the Junggar Basin,there are multiple depressions with multiple sets of source rocks. Therefore,the conditions of hydrocarbon sources are complex,and the geochemical characteristics and sources of hydrocarbon vary in different structural belts. The evolution of the Che-Mo palaeohigh affected the formation of hydrocarbon source kitchens and hydrocarbon migration. We studied the combination and superimposition of hydrocarbon source kitchens,using as an example the hinterland of the Junggar Basin(including the Yongjin,Zhengshacun,Moxizhuang and Luliang uplift areas) . The study was based on geochemical analyses of crude oil and fluid inclusions,and the histories of tectonic evolution and hydrocarbon generation. The results indicated that before the Paleogene there were two hydrocarbon-generating depressions:the Western Well Pen1 depression and the Changji depression on the south and north sides of the Che-Mo palaeohigh,respectively. The Permian source kitchen had been generating hydrocarbon continuously since Triassic and reached high maturity stage in the Cretaceous period. After Paleogene,the adjustment of the Che-Mo palaeohigh led to the subsidence of the Changji depression and the Jurassic source rocks reached mature stage and became the main source kitchens. However,the Jurassic source rocks in the Western Well Pen1 depression were still in a low maturity stage and did not generate oil because of the adjustment of tectonic movements. As a result,in the central and southern parts of the Junggar Basin,Jurassic source rocks generated oil,but in the Luliang uplift,the crude oil was from the Permian source rocks in the Western Well Pen1 depression and the Jurassic source rocks did not contribute. The crude oil in the central Zhengshacun-Moxizhuang belt was from the Permian source rocks in two depressions,and partially from the Jurassic source rocks. The crude oil in the Luliang uplift was from the source rocks of the lower Permian Fengcheng Formation and middle Permian Wuerhe Formation,which is characterized by superimposition of two sets of source kitchens and three accumulation stages. The crude oil in the Yongjin tectonic belt was from the lower Permian,middle Permian and Jurassic source rocks,which is characterized by superimposition of three sets of source kitchens and two accumulation stages. The crude oil in the Zhengshacun tectonic belt was from a combination of source kitchens of lower Permian and middle Permian in the Western Well Pen1 depression in the early stage and from the superimposition of Jurassic source rocks in the Changji depression in the late stage. | Zhang Zhihuan Qin Liming Qiu Nansheng Zhong Ningning Zhang Zhenying Li Wei | 2010 | Petroleum Science2010，7，1： | 2 |
| 8 | Constraining the hydrocarbon expulsion history of the coals in Qinshui Basin, North China, from the analysis of fluid inclusions显示文摘 | Li Wei Zhang Zhihuan Yang Yongcai | 2006 | Journal of Geochemical Exploration2006，89，： | 1 |
| 9 | Oil Source of Reservoirs in the Hinterland of the Junggar Basin显示文摘Through oil-oil and oil-source correlation and combined with the comprehensive study of hydrocarbon generation and accumulation history,the oil sources of typical reservoirs of different geologic periods in the hinterland of the Junggar basin are revealed. It is concluded that the crude oils in the study area can be classified into four types: The oil in the area of well Zhuang-1 and well Sha-1 belongs to type-I,which was generated from Cretaceous to Paleogene (K-E) and its source rocks are distributed in the Fengcheng formation of the Permian in the western depression to the well Pen-1. The oil in the area of well Yong-6 (K1tg) belongs to type-Ⅱ,which was generated from Cretaceous to Paleogene and its source rocks are distributed in the Wuerhe formation of the Permian in the Changji depression. The oil in the area of well Yong-6 (J2x) belongs to type-Ⅲ,which was generated at the end of the Paleogene and its source rocks are distributed in the coal measures of the Jurassic in the Changji depression. The oil of well Zheng-1 and well Yong-1 belongs to type-IV,which was generated in the Paleogene,and its source rocks are distributed in the Wuerhe formation of the Lower Permian and coal measures of the Jurassic. It is indicated that the hydrocarbon accumulation history in the study area was controlled by the tectonic evolution history of the Che-Mo palaeohigh and the hydrocarbon generation history of well Pen-1 in the western depression and Changji depression. | Li Wei Zhang Zhihuan Yang Yongcai Meng Xianlong | 2007 | Petroleum Science2007，4，4： | 1 |
| 10 | The formation environment and development modes of Cenozoic source rocks in the Qiongdongnan Basin显示文摘According to the drilling results,there are three sets of source rocks of the Cenozoic Group in the Qiongdongnan Basin,including the Yacheng Formation transitional facies mudstone,the Oligocene Lingshui Formation semi-enclosed marine facies mudstone,and the Miocene neritic-bathyal facies mudstone.The hydrocarbon generating conditions of the source rocks in the study area are mainly controlled by sedimentary environment and organic matter input.The abundance of organic matter in the Oligocene source rocks which were formed in a low-energy back shore environment is confined by organic matter input and hydrodynamic condition.The Miocene source rocks formed in the open marine environment lack terrestrial organic matter input,whose organic matter abundance is constrained by the primary production of the ocean and the preservation condition of organic matter.In addition,the redox conditions are also significant to the formation of source rocks in the study area.According to the differences in key factors controlling the development of source rocks in different time periods and structural belts revealed by drilling practice,three development patterns of source rocks have been put forward.The first one is the transitional facies model featuring a great deal of terrestrial organic matter and weakly hydrodynamic conditions which are apt to develop high effective source rocks in the Yacheng Formation.The second one is the semi-enclosed marine facies featuring abundant terrestrial organic matter,weakly hydrodynamic condition and fine preservation condition in the central depression zone,which are apt to form fine-quality source rocks in the Lingshui Formation.The third one is the marine facies model featuring strong hydrodynamics in the shore-shallow area of northern continental shelf and the lack of benthic algae which are against the development of source rocks.It can be predicted that the continental slope is the perfect place to form source rocks where adequate amounts of light favor the photosynthesis of plants,besides the fine preservation and weakly hydrodynamic conditions.In the deep sea area,although accompanied with weakly hydrodynamic conditions and a reduction environment,it is not suitable for the development of source rocks on account of less aquatic organisms causing low primary production. | LI Wenhao ZHANG Zhihuan LI Youchuan FU Ning HUANG Yanran ZAN Ling ZHANG Huimin | 2012 | Chinese Journal Of Geochemistry2012，31，4： | 1 |
| 11 | Constraining the hydrocarbon expulsion history of the coals in Qimhui Basin, North China, from the analysis of fluid inclusions显示文摘 | Li Wei Zhang Zhihuan Yang Yongcai | 2006 | Journal of Geochemical Exploration2006，89，13： | 1 |
| 12 | Non-dominated sorting genetic algorithm-Ⅱ for robust multi-objective optimal reactive power dispatch显示文摘 | Li Zhihuan Li Yinhong Duan Xianzhong | 2010 | IET Generation Transmission & Distribution2010，4，9： | 1 |
| 13 | β-decay studies of the neutron-rich ^(18,21)N isotopes显示文摘The β-decay studies of neutron-rich 18,21N isotopes have been performed using β-n, β-γ, and β-n-γ coincidence methods. The 18,21N ions were produced by the fragmentation of the 22Ne and 26Mg beams, respectively, on a thick beryllium target. The time of flight of the emitted neutrons following the β-decay of 18,21N was measured by a neutron detector system with wide energy detection range and low-energy detection threshold. In addition, several clover germanium detectors were used to detect the β-delayed γ-rays. The half-lives of the β-decays of 18N and 21N were determined to be (619±2) ms and (82.9±7.5) ms, respec tively. Several new β-delayed neutron groups were observed with a total branching ratio of (6.98±1.46)% and (90.5±4.2)% for 18N and 21N, respectively. The level schemes of 18O and 21O were deduced. The experimental Gamow-Teller β-decay strengths of 18N and 21N to these levels were compared with the shell model calculations. | HUA Hui, LI ZhiHuan, YE YanLin, JIANG DongXing, LOU JianLing, LI XiangQing & XU FuRong School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China | 2011 | Science China(Physics,Mechanics & Astronomy)2011，54，S1： | 1 |
| 14 | Oil-source correlation of the pre-Tertiary in the Huanghua Depression:Insights from stable carbon isotopes and molecular markers显示文摘Stable carbon isotopes were used together with molecular markers to constrain genetic relationships between sandstone extracts and potential source rocks in the pre-Tertiary in the Huanghua Depression,North China.Comparison of the extracts from Permo-Carboniferous terrigenous mudstones and Ordovician marine carbonates indicated that their prominent differences are in stable carbon isotopes,molecular markers and thermal maturity.Although the extracts of the Mesozoic and Lower Permian Xiashihezi Formation sandstones have some similar iso-topic characteristics,molecular markers data provide a good correlation between the Upper Jurassic-Lower Cretaceous oils and the Upper Carboniferous Taiyuan Formation mudstones,and between the Lower Permian Xiashihezi Formation oils and the Lower Permian mudstones.The results showed that the Upper Jurassic-Lower Cretaceous sandstone oils were derived chiefly from the Upper Carboniferous Taiyuan Formation terrigenous mudstones and that the Lower Permian Xiashihezi Formation oils were sourced from the Lower Permian Shanxi Formation and Xiashihezi Formation terrigenous mudstones. | YANG Yongcai ZHANG Zhihuan LI Wei QIN Liming FANG Chaohe LIN Yuxiang LIU Hua | 2008 | Chinese Journal Of Geochemistry2008，27，3： | 1 |
| 15 | Locally Linear Back-propagation Based Contribution for Nonlinear Process Fault Diagnosis显示文摘This paper proposes a novel locally linear backpropagation based contribution(LLBBC) for nonlinear process fault diagnosis. As a method based on the deep learning model of auto-encoder(AE), LLBBC can deal with the fault diagnosis problem through extracting nonlinear features. When the on-line fault diagnosis task is in progress, a locally linear model is firstly built at the current fault sample. According to the basic idea of reconstruction based contribution(RBC), the propagation of fault information is described by using back-propagation(BP) algorithm. Then, a contribution index is established to measure the correlation between the variable and the fault, and the final diagnosis result is obtained by searching variables with large contributions. The smearing effect, which is an important factor affecting the performance of fault diagnosis, can be suppressed as well,and the theoretical analysis reveals that the correct diagnosis can be guaranteed by LLBBC. Finally, the feasibility and effectiveness of the proposed method are verified through a nonlinear numerical example and the Tennessee Eastman benchmark process. | Jinchuan Qian Li Jiang Zhihuan Song | 2020 | IEEE/CAA Journal of Automatica Sinica2020，7，3： | 1 |
| 16 | Geochemistry and geological significance of the Upper Paleozoic and Mesozoic source rocks in the Lower Yangtze region显示文摘The Lower Yangtze region is one of the important marine sedimentation areas of oil and gas distribution in southern China,for its favorable source rocks,reservoirs and covers.However,the intense tectonic movements and complex hydrocarbon generation process made it highly impossible to form large-sized oil and gas reservoirs.So it was divided to different hydrocarbon-bearing preservation units in oil-gas exploration.Recent study shows that the Permian and Lower Triassic source rocks in the Lower Yangtze region are complicated in lithology.The hydrocarbon generation potential of limestone there is low while argillaceous source rocks are overall of high abundance with excellent organic types,now in the process of hydrocarbon generation,so differences in high maturity influence the evaluation of organic matter abundance and type.Biomarker characteristics indicate a reductive environment.n-alkanes are marked by a single peak,with no odd-even predominance.The composition and distribution of the carbon numbers of n-alkanes,and the high abundance of long-chain tricyclic terpanes are indicative of marine sedi-mentation.The high contents of pregnane,homopregnane,rearranged hopane suggest that the source rocks are of high maturity.There is a good linear correlation between methylphenanthrene index and vitrinite reflectance.The correlation of oil-source rocks indicated that the oil of Well HT-3 may come from the Permian Longtan Formation in the Huangqiao area,the oil of Wells Rong-2 and Juping-1 came from the Lower Triassic Qinglong Formation in the Jurong area.The exploration here is promising in those different source rocks which all have great potential in hy-drocarbon generating,and oil and gas were produced in the late stage of hydrocarbon generation. | HUANG Yanran ZHANG Zhihuan WU Liyuan ZANG Chunjuan LI Qiong | 2012 | Chinese Journal Of Geochemistry2012，31，3： | 1 |
| 17 | Linguistic granular model: design and realization显示文摘A new linguistic granular model is proposed and the effect of its parameters on the output is analyzed. The design of the model consists of two stages: using conditional fuzzy clustering for information granular, and integrating all information granules to final output. The integrating tool is fuzzy integral based on fuzzy measure, and the generalization of fuzzy integral increases flexibility of the linguistic granular model greatly. A heuristic algorithm to determine the parameters in the fuzzy integral is used to realize the linguistic model. Two experiments verify the feasibility of the proposed model. | YUE Shihong LI Ping SONG Zhihuan | 2005 | Progress in Natural Science:Materials International2005，15，8： | 1 |
| 18 | Non-dominatedsorting genetic algorithm-Ⅱ for robust multi-objective optimalreactive power dispatch显示文摘 | LI Zhihuan LI Yinhong DUAN Xianzhong | 2010 | IET Generation Transmission &Distribution2010，4，9： | 1 |
| 19 | Construction of an integrated prognostic classifier model for predicting the efficacy of immune checkpoint inhibitor therapy in non-small cell lung cancer显示文摘Dear Editor:Although immune checkpoint inhibitor(ICI)has become an innovative treatment regimen for non-small cell lung cancer(NSCLC)in recent years,only a small proportion of patients benefit from this regimen[1].Nowadays,several biomarkers have been used to predict the effectiveness of ICI treatment,such as programmed cell death ligand 1(PD-L1)expression level in tumor tissues[2],tumor mutation burden(TMB)[3],and so on.However,single biomarker has not been found to be efficient enough to precisely identify treatment-responsive patients;thereby indicating that multiple biomarkers would be a better option.Hence,we made a comprehensive analysis of several ICI efficacy-associated biomarkers and constructed a prognostic classifier model for NSCLC patients receiving ICI treatment.Ourmain study endpoint was progression-free survival(PFS). | Zhihuan Lin Yaxiong Zhang Li Zhang | 2020 | Cancer Communications2020，40，8： | 1 |
| 20 | Anovel wavelet networks design method显示文摘 | Song zhihuan Li Ping | 2002 | Information and control(in Chinese)2002，11，1： | 1 |
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