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Upwelling Process of the Western Himalaya Mountains:Height and Velocity Estimation Evidenced by Formation and Evolution of the Zanda Basin,Tibet,China

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Acta Geologica Sinica(English Edition) 2010年第2期84卷 280-295页

作者： ZHU Dagang meng xian＇ gang SHAO Zhaogang YANG Chaobin HAN Jian＇en YU Jia meng Qingwei Lü Rongping Institute of Geomechanics Chinese Academy of Geological Sciences Beijing 100081 China Key Laboratory of Neotectonic Movement ＆ Geohazard Ministry of Land and Resources Beijing 100081 China Bureau of Land and Resources Tibet Autonomous Region Lhasa Tibet 850000 China

Based on field geological survey, stratigraphic section measurement and indoor comprehensive investigation, the Zanda Basin＇s tectonic location in the Himalaya Plate was ascertained, and the formation and evolution of the Zanda Basin during the Pliocene to Early Pleistocene was classified as six stages：（a） primary rift-faulting stage, （b） quick rift-faulting Stage, （c） intensive rift-faulting stage, （d） stasis stage, （e） secondary rift-faulting stage, and （f） secondary quick rift-faulting stage. Based on this six-staged formation-evolution theory of the Zanda Basin, the upwelling process of the Western Himalaya Mountains from the Pliocene to Early Pleistocene was classified as the following five stages：（a） slow upwelling stage （5.4-4.4 Ma）, （b） mid-velocity upwelling stage （4.4-3.5 Ma）, （c） quick upwelling stage （3.5-3.2 Ma）, （d） upwelling-ceasing stage （3.2-2.7 Ma）, and （e） quick upwelling stage （2.7 Ma）. Research has shown that in the duration from the Early Pliocene （4.7 Ma） to the End of Pliocene （2.67 Ma）, which lasted 2.03 million years, the Himalaya Mountains had uplifted 1500 m at a velocity of 0.74 mm/a; this belongs to a mid-velocity upwening. During the 1.31 million years in the Early Stage of the Early Pleistocene, the Himalaya Mountains had risen up another 1500 m at a velocity of 1.15 mm/a; this is a rather quick upwelling. All of these data have shown that the upwelling of the Western Himalaya Mountains is along a complicated process with multi-stages, multi-velocities, and non-uniformitarian features.

关键词： Zanda Basin Pliocene to Early Pleistocene basin evolution mountain upwelling Western Himalaya Mountains.

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Definition of the Quaternary Qiangtang Paleolake in Qinghai-Tibetan Plateau, China

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Acta Geologica Sinica(English Edition) 2013年第2期87卷 607-617页

作者： SHAO Zhaogang meng xian'gang HAN Jian'en ZHU Dagang YANG Chaobin WANG Jin YU Jia WANG Yan HE Chengguang Institute of Geomechanics Chinese Academy of Geological Sciences Tibetan Department of Land & Resources

Since the Quaternary, many lakes have been present in the Qinghai-Tibetan Plateau. As peculiar geological processes in the evolution of the uplifting of Qinghai-Tibetan Plateau, the distributions and evolutions of the Quaternary paleolakes in the Qinghai-Tibetan Plateau have been the focus of interest among the international geosciences circle. Comparisons of the newly obtained and existing data from field surveys, remote sensing images, characteristics of tectonic landforms and distribution of the lacustrine strata, the author have, for the first time, defined a large-sized Quaternary Qiangtang Paleolake. The paleolake starts from the east-westerly direction at Rutog in western Tibet, passing through Gerze, and finally ends at Nagqu in eastern Tibet. Its length is approximately 1,200 kin; it is about 420 km at its widest point （north-southerly）. The Paleolake forms an E-W （or NWW） ellipsoid with an estimated area of 354920 km2. The Paleolake is bordered by the Mts. gangdise and Nyainqentanglha to the south and the Karakorum Pass-Toze Kangri-Zangbagangri- Tanggula Pass to the north. It generally appears as a basinal landform with low mountains and valleys in the central part （altitudes of 4400 m） and higher altitudes （5000 m） in the peripheries. The formation and development of the Paleolake was controlled by the nearly E-W trending structures. There are three east-westerly extending tectonic sutures inside the Paleolake area, from north to south：（1） the Shuanghu Suture; （2） the Bangong Co-Nujiang River Suture; （3） the Shiquanhe-Lhari Suture. These three sutures have generally controlled the spreading features of the Paleolake and act as the first grade lake-controlling structures. In the southern Paleolake basin, there are a series of south-northerly rift basins, which are controlled by the normal faults and exist as a series of south-northerly grabens and semi-graben faulted basins. The south- northerly rift zones have clearly exerted control over the south margi

关键词： Quaternary Paleolake Tectonic Landform Lacustrine Evolution Qinghai-Tibetan Plateau

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基于多属性模糊Petri网的知识化制造系统产品需求预测

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系统工程理论与实践 2012年第4期32卷 790-798页

作者：孟宪刚严洪森天津理工大学自动化学院天津300384 东南大学自动化学院南京210096 复杂工程系统测量与控制教育部重点实验室南京210096

为强化模糊Petri网的知识表示能力,提出了一种多属性模糊Petri网(AFPN),即在模糊Petri网的基础上,为每个库所及权值赋予与实际系统相对应的多个属性,以简单模型结构完成具有多个属性的系统的建模.利用知识化制造系统的知识库,对多属性模... 详细信息

为强化模糊Petri网的知识表示能力,提出了一种多属性模糊Petri网(AFPN),即在模糊Petri网的基础上,为每个库所及权值赋予与实际系统相对应的多个属性,以简单模型结构完成具有多个属性的系统的建模.利用知识化制造系统的知识库,对多属性模糊Petri网进行属性分解、属性合并以及训练更新,并对不规则模型进行规则化,可以在原有产品的AFPN模型基础上简单快速建立后续产品的AFPN新模型.在产品需求预测的实例中,采用原材料和产品的各需求相关因素建立产品的需求预测AFPN,实现了产品需求的快速预测.

关键词：模糊Petri网知识库需求预测

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Combustion mechanism of benzene in iron ore sintering process:experimental and simulation

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Journal of Iron and Steel Research International 2024年第1期31卷 195-203页

作者： Zhi-gang Que Jin-ming Shi xian-bin Ai Institute of Energy Research Jiangxi Academy of ScienceNanchang330096JiangxiChina Jiangxi Carbon Neutralization Research Center Nanchang330096JiangxiChina

Benzene is a typical component of volatile organic compounds(VOCs)in the iron ore sintering flue *** combustion behavior of benzene directly affects the emission of VOCs in iron ore sintering *** effects of temperature,benzene,and oxygen concentrations on the conversion ratio of benzene were investigated by experiments and numerical *** experiments were carried out in a tube reactor at temperatures of 773-1098 K,benzene concentrations of 0.01-0.03 vol.%,and oxygen concentrations of 10-21 vol.%.The numerical simulation was performed with the plug flow model in the CHEMKIN program based on a kinetic model that consists of 132 chemical species and 772 elementary step-like *** experimental results reveal that increasing the temperature and benzene concentration could signifi-cantly promote benzene *** is attributed to the increase in the reaction rates of all steps in the pathway for forming CO_(2)and H_(2)*** addition,due to the large equivalent ratio of oxygen to benzene,the conversion ratio of benzene remained constant at different oxygen *** simulation results were in good agreement with the experimental results and indicated that six elementary reactions dominated the formations of CO_(2)and H_(2)*** oxidations of C_(6)H_(5)O,CO,and C_(5)H_(4)O intermediates to CO_(2)were the limiting steps in the reaction pathways.

关键词： Benzene Volatile organic compound Iron ore sinter Combustion Simulation Temperature Oxygen

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基于自学习模糊Petri网的知识化制造系统采购预测

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控制与决策 2009年第3期24卷 371-376页

作者：孟宪刚严洪森东南大学复杂工程系统测量与控制教育部重点实验室南京210096

对模糊Petri网进行改进,使其增加自学习能力,即自学习模糊Petri网(SFPN).提出了自学习模糊Petri网模型知识库的建立方法,通过构造SFPN模型知识库,建立并保存现有产品的SFPN模型,开发新产品或进行新的决策时调出并进行修正后作为新产品模... 详细信息

对模糊Petri网进行改进,使其增加自学习能力,即自学习模糊Petri网(SFPN).提出了自学习模糊Petri网模型知识库的建立方法,通过构造SFPN模型知识库,建立并保存现有产品的SFPN模型,开发新产品或进行新的决策时调出并进行修正后作为新产品模型,通过较短时间和少量样本的自学习训练,便可用于新产品的预测或决策.最后通过采购预测实例验证了该方法的有效性.

关键词：知识化制造模糊Petri网知识库

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基于模糊数Petri网的简单机电产品拆卸

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计算机集成制造系统 2010年第4期16卷 717-723页

作者：孟宪刚严洪森东南大学自动化学院江苏南京210096 东南大学复杂工程系统测量与控制教育部重点实验室江苏南京210096

针对结构简单机电产品拆卸序列的寻优问题,提出了一种模糊数Petri网模型基础上的产品拆卸序列排序的难度可能度方法。首先,将善于表达模糊或界限不确定目标的三角模糊数与便于建模的Petri网相结合,建立了三角模糊数Petri网;其次,以拆卸... 详细信息

针对结构简单机电产品拆卸序列的寻优问题,提出了一种模糊数Petri网模型基础上的产品拆卸序列排序的难度可能度方法。首先,将善于表达模糊或界限不确定目标的三角模糊数与便于建模的Petri网相结合,建立了三角模糊数Petri网;其次,以拆卸难度作为结构简单机电产品拆卸序列评价指标,以三相异步电动机为例,在建立三相异步电动机拆卸序列的三角模糊数Petri网模型的基础上,利用拆卸难度可能度方法,实现了对三项异步电动机拆卸序列的难度优选排序;选择难度最小的拆卸序列进行拆卸,提高了拆卸效率。

关键词：模糊数 Petri网机电产品拆卸可能度

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Main controlling factor and mechanism of gas-in-place content of the Lower Cambrian shale from different sedimentary facies in the western Hubei area, South China

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Petroleum Science 2024年第3期21卷 1488-1507页

作者： gang Li xian-Ming Xiao Bo-Wei Cheng Chen-gang Lu Yue Feng Dong-Sheng Li School of Energy Resources China University of Geosciences(Beijing)Beijing100083China Frontiers Science Center for Deep-time Digital Earth China University of Geosciences(Beijing)Beijing100083 China

The Lower Cambrian shale gas in the western Hubei area,South China has a great resource prospect,but the gas-in-place(GIP)content in different sedimentary facies varies widely,and the relevant mechanism has been not well *** the present study,two sets of the Lower Cambrian shale samples from the Wells YD4 and YD5 in the western Hubei area,representing the deep-water shelf facies and shallowwater platform facies,respectively,were investigated on the differences of pore types,pore structure and methane adsorption capacity between them,and the main controlling factor and mechanism of their methane adsorption capacities and GIP contents were *** results show that the organic matter(OM)pores in the YD4 shale samples are dominant,while the inorganic mineral(IM)pores in the YD5 shale samples are primary,with underdeveloped OM *** pore specific surface area(SSA)and pore volume(PV)of the YD4 shale samples are mainly from micropores and mesopores,respectively,while those of the YD5 shale samples are mainly from micropores and macropores,*** methane adsorption capacity of the YD4 shale samples is significantly higher than that of the YD5 shale samples,with a maximum absolute adsorption capacity of 3.13 cm^(3)/g and 1.31 cm^(3)/g in average,*** with the shallow-water platform shale,the deep-water shelf shale has a higher TOC content,a better kerogen type and more developed OM pores,which is the main mechanism for its higher adsorption *** GIP content models based on two samples with a similar TOC content selected respectively from the Wells YD4 and YD5 further indicate that the GIP content of the deep-water shelf shale is mainly 34 m^(3)/t within a depth range of 1000—4000 m,with shale gas exploration and development potential,while the shallow-water platform shale has normally a GIP content of<1 m^(3)/t,with little shale gas *** the geological and geochemical conditions of shale gas formation a

关键词： Lower Cambrian shale Deep-water shelf facies Shallow-waterplat form facies Pore structure Methane adsorption Gas-in-place content Controlling factor

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西北酸菜高效复合发酵菌种的筛选

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食品科学 2011年第11期32卷 222-227页

作者：孟宪刚唐璎兰州交通大学化学与生物工程学院甘肃兰州730070

从西北酸菜中分离出53株菌株,对其进行单因素接种发酵、分子鉴定、生理生化、适温与低温产酸速度、降解亚硝酸盐能力测定后,筛选出在产酸速度快的AC-5、醇香味适中的Y7、降解亚硝酸达78.17%的L5、发酵风味接受度最高的L8这4种菌株,为西... 详细信息

从西北酸菜中分离出53株菌株,对其进行单因素接种发酵、分子鉴定、生理生化、适温与低温产酸速度、降解亚硝酸盐能力测定后,筛选出在产酸速度快的AC-5、醇香味适中的Y7、降解亚硝酸达78.17%的L5、发酵风味接受度最高的L8这4种菌株,为西北酸菜提供高效发酵菌株。

关键词：西北酸菜直投式发酵剂(DVS) 复合菌剂分离鉴定发酵性能亚硝酸盐

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Investigations of methane adsorption characteristics on marine-continental transitional shales and gas storage capacity models considering pore evolution

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Petroleum Science 2024年第4期21卷 2273-2286页

作者： Chen-gang Lu xian-Ming Xiao Zhen-Qian Xue Zhang-Xin Chen Yin-Tao Dong Yue Feng gang Li School of Energy Resources China University of Geosciences (Beijing) School of Civil and Environmental Engineering Nanyang Technological University Chemical and Petroleum Engineering University of Calgary Eastern Institute of Technology (tentative) CNOOC Research Institute

Methane adsorption is a critical assessment of the gas storage capacity(GSC) of shales with geological conditions. Although the related research of marine shales has been well-illustrated, the methane adsorption of marine-continental transitional(MCT) shales is still ambiguous. In this study, a method of combining experimental data with analytical models was used to investigate the methane adsorption characteristics and GSC of MCT shales collected from the Qinshui Basin, China. The Ono-Kondo model was used to fit the adsorption data to obtain the adsorption parameters. Subsequently, the geological model of GSC based on pore evolution was constructed using a representative shale sample with a total organic carbon(TOC) content of 1.71%, and the effects of reservoir pressure coefficient and water saturation on GSC were explored. In experimental results, compared to the composition of the MCT shale, the pore structure dominates the methane adsorption, and meanwhile, the maturity mainly governs the pore structure. Besides, maturity in the middle-eastern region of the Qinshui Basin shows a strong positive correlation with burial depth. The two parameters, micropore pore volume and non-micropore surface area, induce a good fit for the adsorption capacity data of the shale. In simulation results, the depth,pressure coefficient, and water saturation of the shale all affect the GSC. It demonstrates a promising shale gas potential of the MCT shale in a deeper block, especially with low water saturation. Specifically,the economic feasibility of shale gas could be a major consideration for the shale with a depth of 60% in the Yushe-Wuxiang area. This study provides a valuable reference for the reservoir evaluation and favorable block search of MCT shale gas.

关键词： High-pressure methane adsorption Marine-continental transitional shale gas Ono-Kondo model Adsorption thermodynamics Gas storage capacity model

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新型天然生物功能食品添加剂的研究与发展

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食品工业科技 2011年第3期32卷 432-434,437页

作者：唐璎孟宪刚兰州交通大学化学与生物工程学院甘肃兰州730070

按照用途将现在已研究成熟的新型生物功能食品添加剂大致分为四类:防腐剂、抗氧化剂、增色剂、调味剂。详细介绍新型生物功能添加剂的特点、用途、功效等研究内容及其发展方向。

关键词：食品添加剂生物功能微生物功效

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