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考虑水合物孔隙赋存模式演化的含水合物沉积物渗透率模型

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岩土力学 2024年第8期45卷 2387-2396,2410页

作者：黄楠朱斌王路君浙江大学软弱土与环境土工教育部重点实验室浙江杭州310058 浙江大学岩土工程研究所浙江杭州310058 浙江大学超重力研究中心浙江杭州310058

含水合物沉积物(gas hydrate-bearing sediments,GHBS)的渗透率是影响水合物生成和分解过程中气液运移特性的重要因素,常被选为水合物开采性能评价的重要指标。GHBS孔隙中水合物赋存模式与饱和度的变化,往往引起GHBS渗透率显著改变,现... 详细信息

含水合物沉积物(gas hydrate-bearing sediments,GHBS)的渗透率是影响水合物生成和分解过程中气液运移特性的重要因素,常被选为水合物开采性能评价的重要指标。GHBS孔隙中水合物赋存模式与饱和度的变化,往往引起GHBS渗透率显著改变,现有渗透率模型多基于单一孔隙赋存模式建立,难以考虑赋存模式变化对GHBS渗透率的影响。基于平行毛细管模型,考虑水合物赋存模式变化对GHBS孔隙结构的影响,提出水合物颗粒包裹和孔隙填充两种赋存形式共存的混合赋存模式,引入双参数逻辑函数表征水合物孔隙赋存模式随饱和度变化的特性,建立了考虑水合物孔隙赋存模式演化的GHBS渗透率模型。通过与室内试验和原位测量数据对比验证了模型的适用性。结果表明:水合物生成过程中水合物饱和度的改变易导致其赋存模式变化,影响GHBS渗透率随饱和度变化的趋势;不同生成条件下水合物赋存模式演化特性存异,演化特征体现在主要赋存模式发生转变对应的临界水合物饱和度及演化的方向与趋势上;相比于已有模型,该模型能捕捉到水合物赋存模式改变时渗透率的变化特性,对室内制备和原位GHBS渗透率测量数据均能较好预测。

关键词：天然气水合物渗透率赋存模式水合物饱和度分析模型

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基于HY-SWMM的大型雨水泵站优化设计

中国给水排水 2024年第6期40卷 74-78页

作者：王康李成江李靖王路军中国市政工程华北设计研究总院有限公司天津300381 洛阳鸿业信息科技有限公司河南洛阳471000

以邢台隆尧东方食品城雨水泵站为例,介绍大型雨水泵站设计规模和水泵机组配置的优化设计方法。基于鸿业暴雨排水及低影响开发模拟系统(HY-SWMM),构建雨水管网的水力模型,并采用传统推理法进行水力计算校核;水泵配置对比了大小泵搭配、... 详细信息

以邢台隆尧东方食品城雨水泵站为例,介绍大型雨水泵站设计规模和水泵机组配置的优化设计方法。基于鸿业暴雨排水及低影响开发模拟系统(HY-SWMM),构建雨水管网的水力模型,并采用传统推理法进行水力计算校核;水泵配置对比了大小泵搭配、高低液位启动、等差和不等差分集水池有效水深等方案。结果表明,采用模型法计算所得大汇水面积雨水泵站的设计规模较推理法可减少约20%;简单地将水泵流量按泵站规模均分、采用等差水位启动水泵是不科学的,需要采用大小泵搭配和适当高液位、不等差水位启动来避免水泵频繁启停。

关键词：雨水泵站 HY-SWMM系统水力模型水泵配置优化启泵液位

“双支柱”调控框架演进与防范化解金融风险——以包商银行风险处置为例

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海南金融 2024年第8期 60-72页

作者：汪卢俊姬宇阳谢姗南京财经大学财政与税务学院江苏南京210023 中国人民银行江苏省分行江苏南京210004

本文对“双支柱”政策防范化解金融风险进行研究。研究发现:我国“双支柱”调控框架随经济金融深化发展而不断完善,并逐渐从货币政策框架转型为主向货币政策框架转型、防范化解金融风险并重转变。同时,通过包商银行案例分析可知,利用“... 详细信息

本文对“双支柱”政策防范化解金融风险进行研究。研究发现:我国“双支柱”调控框架随经济金融深化发展而不断完善,并逐渐从货币政策框架转型为主向货币政策框架转型、防范化解金融风险并重转变。同时,通过包商银行案例分析可知,利用“双支柱”政策防范、化解和处置金融风险关键在于:一是规范金融控股公司管理,隔离实体经济和金融板块关联风险,防范风险在经济金融领域之间相互传染;二是及时向金融市场注入流动性,并通过窗口指导、发布公告等手段防范金融风险发生跨机构、跨市场传染;三是要协调各方责任主体,压实出险金融机构的主体责任、地方政府的属地责任、监管部门的监管责任和中央银行的最后贷款人责任,共同防范处置风险的风险。

关键词： “双支柱”调控框架防范化解金融风险包商银行风险处置风险传染

同方期刊数据库博看期刊评论

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液氯槽车装卸工艺改进及安全提升

中国氯碱 2024年第1期 53-57页

作者：王陆军新浦化学(泰兴)有限公司江苏泰兴

液氯充装属于重大危险源,在液氯充装基础上进行升级改造,增加卸车平台、自动控制、安全设施等。安全提升改造后,达到了液氯槽车充装和卸车要求,为企业的安全稳定运行奠定了基础。

关键词：液氯槽车工艺改善装卸安全提升

Determination of selectivity of HPLC systems by correspondence factor analysis

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Chinese Chemical Letters 2007年第5期18卷 565-568页

作者： Yuan wang jun Yang Xin lu Guo wang Xu National Chromatographic Research ＆ Analysis Center Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China

Correspondence factor analysis （CFA） was employed to study the selectivity of 14 HPLC systems. The tested LC systems were classified as reversed-phase （RP）, ion-exchange （IE） and hydrophilic interaction chromatography （HILIC） modes. It was found that the retentions of the hydrophilic solutes on HILIC column were significantly influenced by the second-order effects besides their hydrophilic properties. Organic modifiers and residue silanol groups on silica surface both participated in retention. HypersilTM amino column performed separation in the HILIC mode at appropriate conditions, and its retention mechanism was more similar to that of HILIC silica column than that of HILIC column coating poly（aspartamide） groups.

关键词： CFA HILIC Liquid chromatography

Nonlinear Dicke Quantum Phase Transition and Its Quantum Witness in a Cavity-Bose–Einstein-Condensate System

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Chinese Physics Letters 2018年第11期35卷 61-65页

作者： wang-jun lu Zhen Li Le-Man Kuang Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control(Ministry of Education) Department of Physics and Synergetic Innovation Center for Quantum Effects and ApplicationsHunan Normal University

We investigate nonlinear Dicke quantum phase transition(QPT)induced by inter-atomic nonlinear interaction and its quantum witness in a cavity-Bose–Einstein-condensate(BEC)*** is shown that inter-atomic nonlinear interaction in a cavity BEC system can induce first-order Dicke *** is found that this nonlinear Dicke QPT can happen in an arbitrary coupling regime of the cavity and *** is demonstrated that the quantum speed limit time can witness the Dicke QPT through its sudden change at the critical point of the QPT.

关键词： Atoms

Photoresponsive thin films containing an azobenzene derivative intercalated with a layered double hydroxide

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Chinese Science Bulletin 2010年第34期55卷 3894-3900页

作者： wang XinRui lu jun WEI Min DUAN Xue State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology Beijing 100029 China

Two kinds of optically transparent thin films with photochromic properties have been fabricated based on co-intercalation of 4-(4-anilinophenylazo)benzenesulfonate(AO5)and sodium dodecylbenzene sulfonate(SDS)into the galleries of a ZnAl layered double hydroxide(LDH)by two synthetic methods:solvent evaporation and in situ *** two films possess LDH crystallites in different orientations relative to the substrates depending on their fabrication method:horizontal and *** relationship between the photochromic behavior of the interlayer chromophore and the orientation of the LDH crystallites is studied *** orientation of the LDH crystallite influences the photochromic behavior of the *** films exhibited different absorption and wettability characteristics,providing the potential for application of dye-LDH films as photochromic materials and light sensitive switches.

关键词：层状双金属氢氧化物偶氮苯衍生物光敏薄膜光致变色行为十二烷基苯磺酸钠晶粒取向光致变色材料 LDH

Thermodynamics of Solvent Extraction of Rare and Scattered Metal-Indium with Diethylhexylmonothiophosphoric Acid

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Chemical Research in Chinese Universities 2006年第1期22卷 111-113页

作者： LIU Xing-zhi ZANG Shu-liang FANG Da-wei LI jun wang lu-ning Institute of Chemical Science and Engineering Liaoning University Shenyang 110036 P. R. China

The thermodynamics of extracting In（ Ⅲ） with diethylhexylmonothiophosphoric acid as an extractant in a H2SO4 system is reported. The equilibrium molalities of In^3＋ ions were measured at a high acidity and ionic strengths varying from 0. 1 to 2.0 mol/kg in an aqueous phase containing Na2SO4 as the supporting electrolyte. The values of the standard extraction constant K^0 at various temperatures were obtained by the methods of extrapolation and polynomial approximation. The equation lgK^0 = - 51.95 - 5.93 × 10^3/T ＋ 6. 15 × 10^-2 T was also obtained and the thermodynamic quantities for the extraction process were calculated.

关键词： Extraction Indium Diethylhexylmonothiophosphoric acid Thermodynamics

DepthGAN: GAN-based depth generation from semantic layouts

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Computational Visual Media 2024年第3期10卷 505-522页

作者： Yidi Li jun Xiao Yiqun wang Zhengda lu School of Artificial Intelligence University of Chinese Academy of SciencesBeijingChina College of Computer Science Chongqing UniversityChongqingChina

Existing GAN-based generative methodsare typically used for semantic image synthesis. Wepose the question of whether GAN-based architecturescan generate plausible depth maps and find thatexisting methods have difficulty in generating depthmaps which reasonably represent 3D scene structuredue to the lack of global geometric ***, we propose DepthGAN, a novel method ofgenerating a depth map using a semantic layout asinput to aid construction, and manipulation of wellstructured 3D scene point clouds. Specifically, wefirst build a feature generation model with a cascadeof semantically-aware transformer blocks to obtaindepth features with global structural *** our semantically aware transformer block, wepropose a mixed attention module and a semanticallyaware layer normalization module to better exploitsemantic consistency for depth features ***, we present a novel semantically weighteddepth synthesis module, which generates adaptivedepth intervals for the current scene. We generate thefinal depth map by using a weighted combination ofsemantically aware depth weights for different depthranges. In this manner, we obtain a more accuratedepth map. Extensive experiments on indoor andoutdoor datasets demonstrate that DepthGAN achievessuperior results both quantitatively and visually for thedepth generation task.

关键词： depth map generation generative model transformer scene generation