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| 1 | Characteristics of Meso-Cenozoic Igneous Complexes in the South Yellow Sea Basin,Lower Yangtze Craton of Eastern China and the Tectonic Setting显示文摘The South Yellow Sea Basin is partially surrounded by the East Asian continental MesoCenozoic widespread igneous rocks belt.Magnetic anomaly and multi-channel seismic data both reveal the prevalent occurrence of igneous rocks.We preliminarily defined the coupling relation between magnetic anomalies and igneous rock bodies.Some igneous complexes were also recognized by using multi-channel seismic and drilling data.We identified various intrusive and extrusive igneous rock bodies,such as stocks,sills,dikes,laccoliths and volcanic edifice relics through seismic facies analysis.We also forecasted the distribution characteristics of igneous complexes.More than fifty hypabyssal intrusions and volcanic relics were delineated based on the interpretation of magnetic anomaly and dense intersecting multi-channel seismic data.It is an important supplement to regional geology and basin evolution research.Spatial matching relations between igneous rock belts and fractures document that extensional N-E and N-NE-trending deep fractures may be effective pathways for magma intrusion.These fractures formed under the influence of regional extension during the MesoCenozoic after the Indosinian movement.Isotopic ages and crosscutting relations between igneous rock bodies and the surrounding bedded sedimentary strata both indicate that igneous activities might have initiated during the Late Jurassic,peaked in the Early Cretaceous,gradually weakened in the Late Cretaceous,and continued until the Miocene.Combined with previous studies,it is considered that the Meso-Cenozoic igneous activities,especially the intensive igneous activity of the Early Cretaceous,are closely associated with the subduction of the Paleo-Pacific Plate. | PANG Yumao ZHANG Xunhua XIAO Guolin GUO Xingwei WEN Zhenhe WU Zhiqiang ZHU Xiaoqing | 2017 | Acta Geologica Sinica(English Edition)2017,91,3: | 15 |
| 2 | Basin modeling in the initial stage of exploration: a case study from the North Subbasin of the South Yellow Sea Basin显示文摘Basin modeling has become an important tool for analyzing sedimentary basins. The North Subbasin of the South Yellow Sea Basin is filled with thick Meso-Cenozoic terrigenous deposits during the rift evolution stage. The accumulation of data and achievements of geological investigations in recent years have provided the preconditions for basin modeling. The necessary parameters and geological elements for simulations are collated and summarized. Modeling of tectono-thermal evolution is performed and the related trend in heat flow is reconstructed and calibrated. The heat flow value commences from an average level of 61 m W/m^2 during MiddleLate Jurassic, rises to about 80 m W/m^2 from circa 145 Ma to circa 74 Ma, and then undergoes a gradual decline to65 m W/m^2 until the end of Oligocene.Three evolutionary phases, namely, the initial rifting phase, syn-rifting phase, and post-rifting phase, have been identified. The modeling results show that the North Subbasin generally enters into a stage of strong rifting during Cretaceous and undergoes rapid subsidence until the Late Cretaceous,then follows by a stage of moderate rifting during the Paleogene. The input and general workflow involved in 3-D modeling are introduced. Reconstruction of the petroleum system in the North Subbasin reveals that the threshold depth of hydrocarbon generation is located near the top of the Paleogene Funing formation, and the underlying Jurassic and Cretaceous source rocks have reached or exceeded peak oil generation and have almost completed the generation and expulsion of hydrocarbons. The main generation and expulsion in the Jurassic source rocks take place during the syn-rifting and post-rifting phases, whereas the peak generation and expulsion in the Cretaceous and Paleogene source rocks take place during the post-rifting phase. Although the study area is still a relatively less explored sedimentary basin, the results of modeling can provide valuable information for exploration. A preliminary discussion of the main uncertainty factors is also presented. | PANG Yumao ZHANG Xunhua GUO Xingwei XIAO Guolin HAN Zuozhen | 2017 | Acta Oceanologica Sinica2017,36,9: | 10 |
| 3 | Isolation and Identification of Serotype O101 Bovine Pathogenic Escherichia coli with Multidrug Resistance显示文摘[Objective]The paper was to isolate and identify a multidrug-resistance bovine pathogenic Escherichia coli. [Method]The dead cases of calf diarrhea were collected from a large-scale beef cattle farm,and the isolated pathogen was conducted molecular identification,serological identification,drug sensitivity test,and mice pathogenicity test,respectively. Targeted therapy was undertaken thereafter to herds. [Result] One strain of bovine pathogenic E. coli,serotype O101 with strong multidrug resistance and high pathogenicity to mice,was successfully isolated. It was used to develop sensitive drug for timely treating follow-up diarrhea calves,and successfully controlled calf diarrhea in the farm. [Conclusion]The results provide a basis for effective prevention and control of bovine colibacillosis. | Li Shuguang Liu Xiaoyun Wang Yumao Li Feng Lin Chuwen Shen Zhiqiang Li Jinlin | 2017 | Animal Husbandry and Feed Science2017,9,5: | 1 |
| 4 | Distribu- ted parallel support vector machines in strongly connected networks 显示文摘 | Lu Yumao Roychowdhury V Vandenberghe L | 2008 | IEEE Transactions on Neural Networks2008,19,7: | 1 |
| 5 | 16S rRNA Cloning and Identification of a Strain Isolated from Intestinal Tract of Rex Rabbit显示文摘This study was conducted to identify bacterial strain He Nan-001 isolated from intestinal tract of healthy rex rabbit.The strain was identified by gram staining,and OD_(600) values at different culture time were measured to develop a bacterial growth curve.The metabolic pathways of the bacterium using sugar in fermentation was identified with biochemical tubes.Total RNA of the strain was extracted,and total cDNA was obtained by Oligo(dT) method.Primers were designed using Primer 5.0 bio-software according to the 16S rRNA sequence published in Gen Bank,through cloning,ligation to vector PMD18T,construction of PMD18T/16S rRNA vector and transformation into DH5α,plasmid was extracted and sequenced,and the sequencing result was compared with sequences in NCBI followed by drawing of phylogenetic tree.The strain was verified to be double-stranded gram-positive cocci,which could ferment glucose,mannose,maltose and sorbitol,producing acids production,but failed to ferment sucrose,serum inulin and β-galactosidase.The phylogenetic tree analysis showed that the isolated bacterium shared the highest homology with an India isolate,and belongs to diplostreptococcus.This study provides significance experimental data and theoretical guidance for further development and utilization of the bacterial strain. | Guangjun GUO Yumao WANG Sufang LYU Jing HAN Xinming WU Hanjie ZHANG Qiqi ZOU Qiang FU Zhiqiang SHEN | 2016 | Agricultural Biotechnology2016,5,5: | 1 |
| 6 | Dynamic traffic controls for web-server networks 显示文摘 | Liu Liming Lu Yumao | 2004 | Computer Networks2004,45,: | 1 |
| 7 | TURBULENT STRUCTURE AND LOCAL SIMILARITY IN THE TOWER LAYER OVER THE NANJING AREA显示文摘 | XU YUMAO ZHOU CHAOFU LI ZHONGKAI ZHANG WEI | 1997 | Boundary - Layer Meteorology1997,,1: | 1 |
| 8 | Turbulent structure and local similarity in the tower layer over the nanjing area 显示文摘 | Xu Yumao Zhou Chaofu Li Zhongkai | 1997 | Bound-Layer Meteor1997,82,: | 1 |
| 9 | Ultra high thermal conductivity polymer composites显示文摘 | Chen Yumao Ting Jyhming | 2002 | Carbon2002,40,: | 1 |
| 10 | TURBULENT STRUCTURE AND LOCAL SIMILARITY IN THE TOWER LAYER OVER THE NANJING AREA显示文摘 | XU YUMAO ZHOU CHAOFU LI ZHONGKAI ZHANG WEI | 1997 | Boundary - Layer Meteorology1997,,1: | 1 |
| 11 | Characteristics and Analysis of Swine Streptococcosis Incidence in Binzhou Region in 2013显示文摘To fully understand swine streptococcosis in Binzhou and surrounding areas,we studied its incidence rate and incidence characteristics in 2013,in order to put forward constructive suggestions for scientific prevention and control of swine streptococcosis. Isolation and purification,biochemical and molecular biology identification and drug susceptibility test of Streptococcus suis were carried out,and mixed infection of S. suis with classical swine fever virus,pseudorabies virus and porcine circovirus virus was statistically analyzed. The results showed that 46 strains of S. suis were screened,and the positive rate was approximately 24. 9%,with high degree of resistance and multiple resistances. S. suis had different degrees of mixed infection with classical swine fever virus,pseudorabies virus and porcine circovirus virus,and the total mixed infection rate was 58. 7%. | Li Feng Li Shuguang Miao Lizhong Liu Jishan Lv Sufang Wang Yumao Shen Zhiqiang | 2016 | Animal Husbandry and Feed Science2016,8,6: | 0 |
| 12 | Diamond synthesis from a system of chromium-carbide andNi_(70)Mn_(25)Co_5 alloy显示文摘In order to ascertain the mechanism of interaction between carbide and metallic catalyst and formation of diamond under high pressure and high temperature, and find a new method to synthesize diamond with special properties, it is necessary to investigate the reaction behavior of different carbides and metallic solvent_catalysts under high pressure and high temperature. A system of Cr-3C-2 powder and Ni 70Mn 25Co 5 alloy in weight ratio of 1∶6 was treated under 6 0 GPa and 1 500℃ for 20, 30 or 60 min respectively. X_ray diffraction of the samples indicated the Cr 3C 2 decomposed partially after high pressure and temperature treatment, and Cr 7C 3, Cr and diamond formed respectively. There was not any trace of graphite in the samples. The result suggested that the separated carbon atoms could form diamond directly without conversion process of graphite into diamond. The observation of SEI, WDX and EDX also showed that diamond crystals were synthesized in the system, which have perfect surfaces and shapes, with the average grain size of about 40 μm. The properties of the crystals are being investigated. | LI Liangbin 1, JIANG Jinchun 1, HONG Shiming 1, ZHONG Yumao 2 and ZHANG Xinyuan 2 1. Institute of Applied Physics, Sichuan Union University, Chengdu 610065, China 2. Center for Analysis and Test, Sichuan Union University, Chengdu 610065, China | 1998 | Chinese Science Bulletin1998,43,24: | 0 |
| 13 | Phenotypic and Genetic Characteristics of a Bordetella hinzii Isolated from a Rex Rabbit显示文摘A Bordetella hinzii strain,isolated from the lung of a dead breast-feeding infant rex rabbit with a respiratory infection,was used as study object to investigate its phenotypic and genetic characteristics. The strain could grow on Mac Conkey agar and was gram-negative,oxidase-positive,catalase-positive,short rodshaped,and it can produce alkali from malonate. Its 6S rRNA sequence was partially identical with B. hinzii( AF177667). Animal experiments revealed nasal mucous hyperemia,tracheal congestion and bronchopneumonia in 28-day old rex rabbits. To sum up,this Bordetella hinzii isolate was deemed as a novel causative agent of respiratory disease in rex rabbit. | Li Shuguang Shen Zhiqiang Qu Guanggang Guan Yu Fu Shijun Hu Linlin Wang Yumao | 2015 | Animal Husbandry and Feed Science2015,7,3: | 0 |
| 14 | Diagnosis and Treatment Report of the First Case of Mycoplasma bovis in Shandong Province显示文摘[Objective] The paper was to introduce the first case of Mycoplasma bovis in Shandong Province.[Method] Samples were collected from sick cattle,and identified through M.bovis isolation,biochemical identification,PCR,16S RNA sequence analysis and clinical treatment and other research work.[Result] A strain of M.bovis was successfully isolated,and typical colonies in fried egg shape were grown.It was further confirmed as M.bovis via molecular biological detection.The use of vaccine and sensitive drugs in clinical could quickly control the epidemic situation of cat-tle herds.[Conclusion] This is the first reported case of M.bovis in Shandong Province,and its diagnosis and treatment process is conducive to further prevention and control of the disease. | Li Shuguang Liu Jishan Zhang Wei Wang Yumao Cheng Likun Yin Meifang Zhang Na Zhao Jialei Shen Zhiqiang | 2018 | Animal Husbandry and Feed Science2018,10,2: | 0 |
| 15 | Characteristics and classification of paleozoic tight reservoirs in the central uplift of the South Yellow Sea Basin显示文摘Several sets of Paleozoic tight reservoirs are developed in the Central Uplift of the South Yellow Sea Basin.A qualitative analysis of the microscopic pore structure of the tight reservoir rocks was carried out through cast thin slice and scanning electron microscopic image observation.Based on reservoir pet-rophysical properties,thirty core samples in the Central Uplift of the South Yellow Sea Basin were selected for high-pressure mercury intrusion(HPMI)analysis,which was then combined with fractal calculation to classify and evaluate the tight reservoirs.The analysis of the HPMI curves and related parameters shows that the Paleozoic tight reservoirs can be divided into three types:Type-A,Type-B and Type-C.Type-A sandstone reservoirs contain pores with size mostly ranging between 0.01 and 0.1 mm,followed by pores with size range of 0.001-0.01 m m,and relatively fewer pores larger than 0.1 m m.The Type-B reservoirs are carbonate rocks with extremely heterogeneous pore size distribution,which is closely related to the development of dissolution pores and microfractures.Type-C sandstone reservoirs are dominated by nanopores and submicron pores that distribute more heterogeneously than pores in Type-A reservoirs.The pore distribution in sandstone reservoirs shows significant fractal characteristics and is closely related to the pore size.The heterogeneity of nanopore distribution has a negative cor-relation with porosity and median pressure and a relatively weak correlation with permeability.Our study has important implications for petroleum exploration in the South Yellow Sea Basin. | Yumao Pang Xingwei Guo Xiangchun Chang Junjian Zhang Jingqi Zhou Laixing Cai | 2022 | Energy Geoscience2022,3,4: | 0 |