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| 1 | Geochemical Evidence for Coal and Carbonaceous Mudstone as the Possible Major Oil Source Rock in the Jurassic Turpan Basin, Northwest China显示文摘Petroleum geologists have debated whether the hydrocarbons from Jurassic coal measures are derived from the coals, carbonaceous mudstones or coal-measure mudstones in the Turpan Basin. Based on the geochemistry analysis of the 20 crude oils and 40 source rocks from the Turpan Basin, some data have been obtained as follows: carbon preference index and methylphenanthrene index of the Jurassic oils are 1.16-1.45 and 0.28-0.80, and the ααα C 29 sterane 20S/(20S+20R) and C 29 sterane ββ/(ββ+αα) are 0.44-0.51 and 0.4-0.54 respectively, which show the normal maturity of oils; the vitrinite reflectance of the source rocks from the Xishanyao to Badaowan Formations range from 0.47% to 0.97%, which indicate immature to mature thermal evolutionary stage and sufficient conditions for generating mass mature oil. The effect of hydrocarbon expulsion should be considered when studying the source of coal-derived oil by using Biomarkers. Biomarkers in the Jurassic oils from the basin are similar to those in the coals and carbonaceous mudstones, with a strong predominant content of pristane, relatively high ratio of C 15 /C 16 sesquiterpenoids (>1), a relatively high content of low carbon number tricyclic terpanes and C 24 tetracyclic terpane, little gammacerane and C 29 Ts detected, an absolute predominant content of C 29 sterane and a relatively high content of diasterane. However, the opposite characteristics are shown in mudstones, with an approximately equal content of pristane and phytane, relatively low ratio of C15 /C16 sesquiterpenoids (<1), a relatively high content of high carbon number tricyclic terpanes and a low content of C 24 tetracyclic terpane, peaks of gammacerane and C29 Ts detected obviously and an increasing C27 sterane content. All of these characteristics identify the coals and carbonaceous mudstones as the possible major oil source rocks in this area, and they were formed in the stronger oxidizing environment with shallower water than mudstones. | MENG Jianghui ZHANG Min ZHAO Hongjing LIU Luofu WANG Zhiyong ZHOU Jieli WANG Ying | 2012 | Acta Geologica Sinica(English Edition)2012，86，5： | 3 |
| 2 | Integer ambiguity resolution in precise point positioning: method comparison显示文摘 | Jianghui Geng Xiaolin Meng Alan H. Dodson Felix N. Teferle | 2010 | Journal of Geodesy2010，，9： | 2 |
| 3 | Rapid re-convergences to ambiguity-fixed solutions in precise point positioning显示文摘 | Jianghui Geng Xiaolin Meng Alan H. Dodson Maorong Ge Felix N. Teferle | 2010 | Journal of Geodesy2010，，12： | 1 |
| 4 | Ambiguity resolution in precise point positioning with hourly data显示文摘 | Jianghui Geng F. N. Teferle C. Shi X. Meng A. H. Dodson J. Liu | 2009 | GPS Solutions2009，，4： | 1 |
| 5 | Characteristics of Oil Sources from the Chepaizi Swell,Junggar Basin,China显示文摘到目前为止 Chepaizi 的油来源上没有普通意见在 Junggar 盆胀大。因此,决定小径系统和烃移植的趋势是困难的,并且这在油气体累积模式的学习导致困难。在这份报纸,在从 Chepaizi 的油的氮混合物分发的学习被执行以便分类在学习区域在不同水库存储的油的来源岩石。然后,从一样的来源的油的移植特征被使用氮混合物参数调查。在从一样的来源的一组油 / 油沙样品的氮混合物的结果显示在 Chepaizi 套住的油胀大经历了明显的垂直迁居。与增加迁居距离, carbazoles 的数量和索引有一个常规变化模式(在一种好线性关系中) 。由使用氮混合物技术, Chepaizi 的分析油 / 油沙样品能被分类进二个组。一个人是在白垩纪的水库床上存储的样品并且第三级,并且这些油来自主要有白垩纪岩石的小数量的侏罗记来源岩石;其它在侏罗记存储的那些,二叠、含碳的床,和他们从二叠的来源被发源。另外,从一座上面的侏罗记水库(井 Ka 6 ) 的油的一件样品,从侏罗记煤来源岩石被产生,从那些有完全不同的氮混合物分布上述二组样品,它从 mudstone 来源被产生。因为从油移植的分别的影响,有不同结构和极性的氮混合物的数量和比率随着增加移居的距离定期变化,并且作为结果,与一样的来源一起的样品在内容和比率跟随一种好线性关系,当不同来源的油样品由于他们的来源岩石的不同有机物类型有显然不同的氮混合物分发时。油来源学习的这些结论是相同的,那些由另外的 geochemical 简历标记获得了。因此,氮混合物具有在油类型分类和油 / 来源关联的大意义。 | LIU Luofu KUANG Jun WANG Ping CHEN Zhijun WANG Weibin ZHAO Yande WU Lin JIN Jun WANG Weili MENG Jianghui ZHOU Jieli LIU Guodong | 2010 | Acta Geologica Sinica(English Edition)2010，84，5： | 1 |
| 6 | Ambiguity resolution in precise point positioning with hourly data显示文摘 | Jianghui Geng F. N. Teferle C. Shi X. Meng A. H. Dodson J. Liu | 2009 | GPS Solutions2009，，4： | 1 |
| 7 | Geochemistry of source rocks in the Es_3 and Es_4 members in the Shahejie Formation of the Western Depression, Liaohe Oilfield, China显示文摘The Western Depression of the Liaohe Basin is the major exploration area of the Liaohe Oilfield, and its main source rocks consist of the third and fourth members of the Shahejie Formation (Es3 and Es4). These source rocks are widely distributed in the depression, with semi-deep lake and fan delta as the main sedimentary facies, brown oil shale and black gray-dark gray mudstone as the main rocks, and a total thickness of 270-1450 m. The kerogens are mainly of the types I and IIA, and partly of the type IIB and least of the type III. The Ro values range from 0.4%-0.8%, indicating an evolution stage from immature to mature. The maturity of Es4 source rocks is rela-tively high, reaching the early mature stage, but their distribution and thickness are lower than those of Es3. Besides, according to biomarker analysis, it is thought that the source rocks of Es3 and Es4 are characterized by mixed input, and most of the source rocks were formed in the brackish water-saline and strongly oxygen-free environment. Fur-thermore, the Qingshui, Niuxintuo and Chenjia sags are believed to possess greater potential for hydrocarbon gen-eration and expulsion, for they are source rocks with a larger thickness, have higher organic carbon contents, belong to better organic matter types and possess higher maturities. | WANG Weili LIU Luofu JIANG Zhenxue ZHONG Ningning WANG Ying WANG Ping WU Lin MENG Jianghui ZHOU Jieli GUO Yongqiang | 2011 | Chinese Journal Of Geochemistry2011，30，4： | 1 |
| 8 | Depositional Environment of Es_4~u and Es_3~l Shales Based on Biomarkers from the Boxing Sag of Dongying Depression, East China显示文摘The Boxing Sag is located in the southwest of Dongying Depression, southern Bohai Bay Basin of East China. It is one of the main petroliferous sags in the Dongying Depression, and has two major source rocks, namely the upper 4th Member(Es4u) and lower 3rd Member(Es3l) shales of Eocene Shahejie Formation, which are the new exploration targets in recent years. In this study, 16 core samples were collected from Es4 u and Es3 l shales in the Boxing Sag, and the saturate hydrocarbons were analyzed by gas chromatography(GC) and gas chromatography-mass spectrometry(GC-MS), respectively. The results show that Es4 u shale has obvious phytane and gammacerane predominance, higher concentration of tricyclic terpanes and regular steranes, and very low concentration of 4-methly steranes; Es3 l shale has pristane predominance, lower concentration of tricyclic terpanes, gammacerane and regular steranes, and higher concentration of 4-methly steranes. The Es4 u shale can be further divided into two types based on the distribution of n-alkanes in gas chromatograms: normal distribution and double peak pattern. The biomarker characteristics and sedimentary facies distribution show that Es4 u shale was deposited in the saline-hypersaline semi-deep(Type A Es4 u shale, sag center) to shallow(Type B Es4 u shale, sag edge) lacustrine environments, Es3 l shale was deposited in the freshwater-brackish semi-deep-deep lacustrine environments, and the former sedimentary facies maps of Es4 u and Es3 l in the Boxing Sag are further modified. | WANG Ying LIU Luofu MENG Jianghui JIANG Zhenxue GAO Yongjin LIU Shuhui | 2014 | Acta Geologica Sinica(English Edition)2014，88，5： | 1 |
| 9 | Reliability Analysis-Based Numerical Calculation of Metal Structure of Bridge Crane显示文摘 | Wenjun Meng Zhengmao Yang Xiaolong Qi Jianghui Cai Zhichun Yang | 2013 | Mathematical Problems in Engineering2013，，： | 1 |
| 10 | Verification of Glyphosate Resistance, Lepidopteran Resistance and Wide Compatibility of Male Sterile Line E1C4008S in Rice显示文摘Weeds and insect pests are two important biotic stresses resulting in yield loss in rice, and wide compatibility is the essential characteristic of breeding inter-subspecific hybrid rice. This study focused on glyphosate resistance, lepidopteran resistance and wide compatibility as well as identification of molecular and some agronomic characteristics of transgenic male sterile line E1 C4008 S. The results indicated that glyphosate resistance gene Epsps^# and lepidopteran resistance gene Cry1 ca^# were transferred into japonica wide compatibility male sterile line 4008 S by Agrobacterium-mediated method, and four independent transformation events named E1 C4008 S-1, E1 C4008 S-2, E1 C4008 S-3 and E1 C4008 S-4 were obtained, in which E1 C4008 S-3 and E1 C4008 S-4 were of single copy insertion. The EPSPS protein contents of E1 C4008 S-3 and E1 C4008 S-4 in different organs were significantly different both in descending order of leaf > stem > root, and ranged from 300.58 to 1410.69 μg/g at the tillering stage. The glyphosate tolerable concentration(dosage) of E1 C4008 S-3 and E1 C4008 S-4 reached at least 16 g/L(54.42 kg/hm^2), and the seeds of E1 C4008 S-4 can germinate normally on the medium containing 1 g/L glyphosate. The CRY1 C protein contents of E1 C4008 S-3 and E1 C4008 S-4 in different organs were significantly different both in descending order of leaf > stem > root, and ranged from 0.62 to 2.43 μg/g at the tillering stage. The larvae mortalities of rice leaf rollers fed on leaves of E1 C4008 S-3 and E1 C4008 S-4 for 5 d were 95.35% and 97.77%, respectively, while the average mortalities of silkworms fed with protein extracts from leaves of E1 C4008 S-3 and E1 C4008 S-4 reached 94.55% and 83.64%, respectively. The results suggested that wide compatibility and evaluated agronomic traits of E1 C4008 S-4 were not significantly changed by insertion of the exogenous genes. Overall, a novel male sterile germplasm with glyphosate resistance, lepidopteran resistance and wide compatibility was verified to be developed in rice. | ZENG Qiang DENG Lihua HU Wenbin HE Xingjian MENG Qiucheng YU Jianghui LI Jinjiang WENG Lushui XIAO Guoying | 2020 | Rice science2020，27，3： | 0 |
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