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| 1 | Accumulation Mechanisms and Evolution History of the Giant Puguang Gas Field,Sichuan Basin,China显示文摘稳固的沥青在 Puguang 煤气的地里在整个碳酸盐水库被发现,最大的煤气的地到目前为止在中国在海洋的碳酸盐发现了,证实 Puguang 煤气的地从一座 paleo 油水库演变。液体水管系统在这域里的集中的油累积的时候被重建,并且石油移植小径用一个 3-D 模型被建模并且由 geochemical 参数跟踪了。向前建模并且倒置跟踪与对方一起与一致,两个显示油在 Puguang-Dongyuezhai 结构积累了从一个生产厨房发源到 Puguang 气体地的西北。生存于富有腐殖质的有机物在东北四川盆,是垂直地近来源的岩石和旁边地在生产附近的厨房的液体水管系统的发展,并且集中油统治的器官富人的上面的二叠的来源岩石的免职从生产厨房的一个大区域发源,是为巨大的 Puguang 煤气的地从演变的巨大的paleo油水库的形成的三个要求。Puguang 煤气的地经历了三阶段的进化。累积以后的进程,特别在 hydrocarbon-water-rock 系统的器官无机的相互作用,深刻地不仅改变了石油液体的作文和特征,而且显然在水库改变了物理化学的条件并且导致了碳酸盐矿物质的复杂降水和答案。 | HAO Fang GUO Tonglou DU Chunguo ZOU Huayao CAI Xunyu ZHU Yangming LI Pingping WANG Chunwu ZHANG Yuanchun | 2009 | Acta Geologica Sinica(English Edition)2009,83,1: | 4 |
| 2 | Effects of elevated [CO_2] on stem and root lodging among rice cultivars显示文摘Studies showed that elevated [CO2] would improve photosynthetic rates and enhance yields of rice;however,few studies have focused on the response of rice lodging,which is a major cause of cereal yield loss and quality reduction,under elevated [CO2].In this study,we examined the effects of elevated [CO2] on stem and root lodging using 4 rice cultivars(86Y8,japonica hybrid;LYP9,2-line indica hybrid;variety 9311,type of indica inbred rice,and SY63,3-line indica hybrid) grown under two [CO2] levels:400 and 680 μmol mol-1.Our results indicated that under elevated [CO2],the stem-lodging risk(SLR) of 9311 decreased,while in SY63 the SLR increased,86Y8 and LYP9 were not significantly affected;the risk of root lodging was reduced for all cultivars,because root biomass(instead of root number) and bending strength were increased significantly,and then the increase of anti-lodging ability is far higher than that of self-weight mass moment for all cultivars.These findings suggested that higher [CO2] can enhance the risk of stem-lodging for cultivars with strong-[CO2]-responses,but may not aggravate the root lodging for all rice cultivars. | ZHU ChunWu CHENG WeiGuo SAKAI Hidemitsu OIKAWA Shimpei LAZA Rebecca C USUI Yasuhiro HASEGAWA Toshihiro | 2013 | Chinese Science Bulletin2013,58,15: | 4 |
| 3 | Evaluation of CT findings for the differentiation of benign from malignant primary retroperitoneal tumors显示文摘 | Zhu Zheng Zhao Xinming Zhao Yanfeng Yang Lei Zhao Jing Dai Jingrui Zhou Chunwu | 2014 | Chinese Medical Journal2014,,1: | 3 |
| 4 | Effect of Elevated CO2 on the Growth and Macronutrient (N, P and K) Uptake of Annual Wormwood (Artemisia annua L.)显示文摘Annual wormwood(Artemisia annua L.) is the only viable source of artemisinin,an antimalarial drug.There is a pressing need to optimize production per cultivated area of this important medicinal plant;however,the effect of increasing atmospheric carbon dioxide(CO_2) concentration on its growth is still unclear.Therefore,a pot experiment was conducted in a free-air CO2 enrichment(FACE) facility in Yangzhou City,China.Two A.annua varieties,one wild and one cultivated,were grown under ambient(374μmol mol^(-1)) and elevated(577 μmol mol^(-1)) CO_2 levels to determine the dry matter accumulation and macronutrient uptake of aerial parts.The results showed that stem and leaf yields of both A.annua varieties increased significantly under elevated CO_2 due to the enhanced photosynthesis rate.Although nitrogen(N),phosphorus(P),and potassium(K) concentrations in leaves and stems of both varieties decreased under elevated CO_2,total shoot N,P,and K uptake of the two varieties were enhanced and the ratios among the concentrations of these nutrients(N:P,N:K,and P:K) were not affected by elevated CO_2.Overall,our results provided the evidence that elevated CO_2 increased biomass and shoot macronutrient uptake of two A.annua varieties. | ZHU Chunwu ZENG Qilong YU Hongyan LIU Shengjin DONG Gangqiang ZHU Jianguo | 2016 | Pedosphere2016,26,2: | 2 |
| 5 | Elevated atmospheric CO_(2) reduces CH_(4)and N_(2)O emissions under two contrasting rice cultivars from a subtropical paddy field in China显示文摘Elevated CO_(2)(eCO_(2))and rice cultivars can strongly alter CH_(4)and N_(2)O emissions from paddy fields.However,detailed information on how their interaction affects greenhouse gas fluxes in the field is still lacking.In this study,we investigated CH_(4)and N_(2)O emissions and rice growth under two contrasting rice cultivars(the strongly and weakly responsive cultivars)in response to eCO_(2),200μmol mol^(-1)higher than the ambient CO_(2)(aCO_(2)),in Chinese subtropical rice systems relying on a multi-year in-situ free-air CO_(2)enrichment platform from 2016 to 2018.The results showed that compared to aCO_(2),eCO_(2)increased rice yield by 7%-31%,while it decreased seasonal cumulative CH_(4)and N_(2)O emissions by 10%-59%and 33%-70%,respectively,regardless of rice cultivar.The decrease in CH_(4) emissions under eCO_(2)was possibly ascribed to the lower CH_(4)production potential(MPP)and the higher CH_(4)oxidation potential(MOP)correlated with the higher soil redox potential(Eh)and O_(2)concentration([O_(2)])in the surface soil.The mitigating effect of eCO_(2)on N_(2)O emissions was likely associated with the reduction of soil soluble N content.The strongly responsive cultivars had lower CH_(4)and N_(2)O emissions than the weakly re sponsive cultivars,and the main reason might be that the former induced higher soil Eh and[O_(2)]in the surface soil and had larger plant biomass and greater N uptake.The findings indicated that breeding strongly responsive cultivars with the potential for greater rice production and lower greenhouse gas emissions is an effective agricultural practice to ensure food security and environmental sustainability under future climate change scenarios. | Haiyang YU Guangbin ZHANG Jing MA Tianyu WANG Kaifu SONG Qiong HUANG Chunwu ZHU Qian JIANG Jianguo ZHU Hua XU | 2022 | Pedosphere2022,32,5: | 2 |
| 6 | Runge-Kutta Discontinuous Galerkin Method with Front Tracking Method for Solving the Compressible Two-Medium Flow on Unstructured Meshes显示文摘In this paper,we extend using the Runge-Kutta discontinuous Galerkin method together with the front tracking method to simulate the compressible twomedium flow on unstructured meshes.A Riemann problem is constructed in the normal direction in the material interfacial region,with the goal of obtaining a compact,robust and efficient procedure to track the explicit sharp interface precisely.Extensive numerical tests including the gas-gas and gas-liquid flows are provided to show the proposed methodologies possess the capability of enhancing the resolutions nearby the discontinuities inside of the single medium flow and the interfacial vicinities of the two-medium flow in many occasions. | Haitian Lu Jun Zhu Chunwu Wang Ning Zhao | 2017 | Advances in Applied Mathematics and Mechanics2017,9,1: | 0 |