资源类型

期刊论文 7

年份

2023 1

2012 1

2010 2

2008 2

2007 1

关键词

三角形自分解 1

可再生能源消纳;绿证市场;碳市场;辅助服务市场;需求侧响应 1

地质三维模型 1

多比例尖灭 1

泥水盾构 1

泥浆配合比 1

添加剂成分 1

灭火性能 1

灭火机理 1

砂卵石地层 1

细水雾添加剂 1

自动建模 1

虚拟钻孔 1

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新型细水雾添加剂成分对灭火性能影响研究

纪欢乐,张青松,吴斌斌,梁天水

《中国工程科学》 2012年 第14卷 第11期   页码 82-87

摘要:

为研究自制细水雾添加剂中主要成分对灭火性能的影响,在开放空间,进行了不同工作压力、不同浓度、不同燃料条件下含添加剂细水雾的灭火研究,实验获取了灭火时间、火焰形态、火焰温度等灭火参数。通过对柴油和汽油两种不同燃料的灭火实验发现,使用含添加剂的细水雾对低沸点、高蒸发速率的汽油灭火效果同样较好。根据加入不同浓度的氟表面活性剂的实验结果比照发现,氟表面活性剂是自制添加剂中起到主要提升灭火性能作用的物质,它通过改变细水雾物理性质使加入自制添加剂的细水雾的灭火性能显著提高。对比调整自制添加剂各物质含量的实验数据,进一步确定添加剂各成分最佳灭火性能浓度。

关键词: 细水雾添加剂     灭火性能     添加剂成分     灭火机理    

三维GIS中地层多比例尖灭自动建模技术

董志

《中国工程科学》 2010年 第12卷 第2期   页码 76-82

摘要:

利用地质勘察数据导入到三维系统中,运用各种三维空间构模方法,自动进行地层推理与连接,生成三维地层模型。以多数据源自动生成模型,可以方便地使地学领域中的地质工作者从繁重的地质信息获取和地质解释手工劳动中解放出来,提高了三维地层建模的速度和构建质量。

关键词: 地质三维模型     虚拟钻孔     多比例尖灭     自动建模     三角形自分解    

LDL adsorbent with dendrimer PAMAM as spacer

YUAN Yi, WANG Yanming, YU Yaoting

《化学科学与工程前沿(英文)》 2008年 第2卷 第4期   页码 434-438 doi: 10.1007/s11705-008-0084-2

摘要: Dendritic polymers are three-dimensional, highly ordered compounds formed by reiterative reaction sequences, and via discrete stages referred to as generations. To study the spacer effect of low density lipoprotein (LDL) adsorbent, we linked dendrimer polyamidoamine (PAMAM) generation 1 (G1), generation 3 (G3) and generation 5 (G5) to cellulose beads, respectively, and then determined the adsorption proportion of the adsorbents with PAMAM decorated with taurine. The result shows that the spacer with activated multi-points could efficiently improve the adsorption capacity of the adsorbent.

关键词: adsorption proportion     adsorbent     dendrimer polyamidoamine     reiterative     generation    

富水砂卵石地层盾构隧道施工泥浆的研究与应用

邓亨义,徐雪莹,陈明娟

《中国工程科学》 2010年 第12卷 第12期   页码 79-82

摘要:

针对北京站至北京西站地下直径线工程泥水盾构施工,通过对泥浆性能研制的配比试验,提出了砂卵石条件下的最佳泥浆配比,提高并改善了泥浆的成形质量与速度,确保了环境要求。对类似工程有一定的借鉴作用。

关键词: 泥水盾构     砂卵石地层     泥浆配合比    

Microbial community structure in different wastewater treatment processes characterized by single-strand conformation polymorphism (SSCP) technique

ZHAO Yangguo, WANG Aijie, REN Nanqi, ZHAO Yan

《环境科学与工程前沿(英文)》 2008年 第2卷 第1期   页码 116-121 doi: 10.1007/s11783-008-0018-8

摘要: In order to investigate microbial community structures in different wastewater treatment processes and understand the relationship between the structures and the status of processes, the microbial community diversity, variety and distribution in five wastewater treatment pro cesses were studied by a culture-independent genetic fingerprinting technique single-strand conformation polymorphism (SSCP). The five processes included denitrifying and phosphate-removal system (diminished N), Chinese traditional medicine wastewater treatment system (P), beer wastewater treatment system (W), fermentative biohydrogen-producing system (H), and sulfate-reduction system (S). The results indicated that the microbial community profiles in the wastewater bioreactors with the uniform status were very similar. The diversity of microbial populations was correlated with the complexity of organic contaminants in wastewater. Chinese traditional medicine wastewater contained more complex organic components; hence, the population diversity was higher than that of simple nutrient bioreactors fed with molasses wastewater. Compared with the strain bands in a simulated community, the relative proportion of some functional microbial populations in bioreactors was not dominant. Fermentative biohydrogen producer in the better condition bioreactor had only a 5% band density, and the sp. in the sulfate-reducing bioreactor had less than 1.5% band density. The SSCP profiles could identify the difference in microbial community structures in wastewater treatment processes, monitor some of the functional microbes in these processes, and consequently provide useful guidance for improving their efficiency.

关键词: technique single-strand     proportion     bioreactor     community diversity     fingerprinting technique    

Direct synthesis of diphenyl carbonate over heterogeneous catalyst: effects of structure of substituted perovskite carrier on the catalyst activities

WU Guangwen, JIN Fang, WU Yuxin, ZHANG Guangxu, LI Dinghuo, WANG Cunwen, MA Peisheng

《化学科学与工程前沿(英文)》 2007年 第1卷 第1期   页码 59-64 doi: 10.1007/s11705-007-0012-x

摘要: The perovskite-type compound LaMnO was substituted for the part of La in position A and for the part of Mn in position B by citrate method. The phases were detected by X-ray diffraction. Powder morphologies were scanned by scanning electron microscopy. The valence of atoms was determined by X-ray photoelectron spectroscopy. It was found that the perovskite can form crystal defect and increase the proportion of high valence B element by doping. Active component Pd was loaded on various perovskite supports for synthesis of diphenyl carbonate. The results showed that the activities of catalysts in which supports have crystal defect by substitution were higher. It can be concluded that perovskite with defect structure by doping could lead to the formation of oxygen vacancy where the lattice oxygen became exchangeable with the oxygen gas. Also, this improved the redox process of the carrier by transferring electrons and activities of catalysts.

关键词: photoelectron spectroscopy     diphenyl carbonate     proportion     diffraction     perovskite    

面向高比例可再生能源消纳的电力市场建设及研究进展

成润婷,张勇军,李立浧,丁茂生,邓文扬,陈皓勇,林靖淳

《中国工程科学》 2023年 第25卷 第2期   页码 89-99 doi: 10.15302/J-SSCAE-2023.02.011

摘要:

完善的电力市场可在电力资源配置方面发挥决定性作用,是保证各类市场主体开展活跃的供需互动、促进可再生能源消纳的关键机制;针对性开展电力市场中影响可再生能源消纳因素的综合性分析,也是相关应用研究亟需。本文重点考虑全时间尺度下促进可再生能源消纳相关的交易机制,概述了国外典型电力市场结构及运行情况,梳理了相应电力市场结构及机制中促进可再生能源消纳的关键影响因素;围绕可再生能源消纳的多维关键影响因素,深入分析了我国各类市场结构和不同机制的建设现状,归纳出促进可再生能源消纳电力市场建设面临的挑战。从电力市场与碳市场、绿证市场耦合机制,可再生能源参与的中长期、现货交易及其衔接机制,面向高比例可再生能源的辅助服务市场,面向高比例可再生能源消纳的需求侧响应机制等方面,梳理了我国相关电力市场的学术研究进展。研究建议,实施多市场协同运作、中长期及现货交易衔接、辅助服务市场建设、需求响应机制建设等重点举措,支持面向高比例可再生能源消纳的电力市场建设。

关键词: 可再生能源消纳;绿证市场;碳市场;辅助服务市场;需求侧响应    

标题 作者 时间 类型 操作

新型细水雾添加剂成分对灭火性能影响研究

纪欢乐,张青松,吴斌斌,梁天水

期刊论文

三维GIS中地层多比例尖灭自动建模技术

董志

期刊论文

LDL adsorbent with dendrimer PAMAM as spacer

YUAN Yi, WANG Yanming, YU Yaoting

期刊论文

富水砂卵石地层盾构隧道施工泥浆的研究与应用

邓亨义,徐雪莹,陈明娟

期刊论文

Microbial community structure in different wastewater treatment processes characterized by single-strand conformation polymorphism (SSCP) technique

ZHAO Yangguo, WANG Aijie, REN Nanqi, ZHAO Yan

期刊论文

Direct synthesis of diphenyl carbonate over heterogeneous catalyst: effects of structure of substituted perovskite carrier on the catalyst activities

WU Guangwen, JIN Fang, WU Yuxin, ZHANG Guangxu, LI Dinghuo, WANG Cunwen, MA Peisheng

期刊论文

面向高比例可再生能源消纳的电力市场建设及研究进展

成润婷,张勇军,李立浧,丁茂生,邓文扬,陈皓勇,林靖淳

期刊论文