检索结果-南通市图书馆

维普期刊数据库博看期刊

印染集聚提升园区废水集中处理设施设计与运行

在线全文

学校读者我要写书评

暂无评论

工业水处理 2024年第6期44卷 209-214页

作者：张鹏翔陈旭斌谭建国物产中大公用环境投资有限公司浙江杭州310000

浙江某印染集聚提升园区废水集中处理设施建设规模30000 m^(3)/d,针对园区废水特点,采用主体工艺为“调节池+冷却系统+反应初沉池+厌氧水解池+A/O生化池+二沉池+高效沉淀池”的组合工艺对其进行处理。运行结果表明,该工艺稳定高效,当进... 详细信息

浙江某印染集聚提升园区废水集中处理设施建设规模30000 m^(3)/d,针对园区废水特点,采用主体工艺为“调节池+冷却系统+反应初沉池+厌氧水解池+A/O生化池+二沉池+高效沉淀池”的组合工艺对其进行处理。运行结果表明,该工艺稳定高效,当进水平均COD、BOD5、总锑分别为1370、360、1.17 mg/L时,处理后出水平均COD、BOD5、总锑分别降至88、7.4、0.049 mg/L,对应去除率分别达到94%、98%、96%,出水符合《纺织染整工业水污染物排放标准》(GB 4287—2012)表2间接排放要求。工程采用了混凝药剂强化的初沉工艺,实现了有效的废水碳捕集,间接对外输出能源,有利于减少碳排放,其主要处理单元采用集约化组合及深池型设计,节省占地,可为占地受限型废水处理厂的建设提供参考。

关键词：印染集聚提升园区印染废水集中处理总锑碳捕集

维普期刊数据库博看期刊

在线全文

学校读者我要写书评

暂无评论

数字金融背景下加强信息科技风险管理研究

农业发展与金融 2024年第6期 87-89页

作者：单玉波张鹏翔农发行内蒙古自治区分行

随着农发行数字化改革的不断深入,信息科技日益成为全行稳健运营和高质量发展的重要支柱,但也带来信息科技风险隐患。信息科技风险是金融风险的重要组成部分,如何防范信息科技风险已列入农发行研究的重要课题。本文通过对农发行信息科... 详细信息

随着农发行数字化改革的不断深入,信息科技日益成为全行稳健运营和高质量发展的重要支柱,但也带来信息科技风险隐患。信息科技风险是金融风险的重要组成部分,如何防范信息科技风险已列入农发行研究的重要课题。本文通过对农发行信息科技风险体系建设的实践分析,提出了新形势下如何更好管控信息科技风险的措施和建议,对构建现代银行信息科技安全防线提供参考。

关键词：金融风险信息科技风险风险管控

在线全文

学校读者我要写书评

暂无评论

白云机场超浅埋隧道盾构始发掘进技术探讨

水利规划与设计 2024年第2期 123-126页

作者：张鹏翔任亚坤中铁(广州)投资发展有限公司广东广州510000 盾构及掘进技术国家重点实验室河南郑州450000

盾构始发是盾构隧道工程施工的第一阶段,直接影响着整个隧道工程的施工进度。为提高盾构始发的安全与效率,文章依托广州白云机场T3交通枢纽轨道预留工程,提取盾构始发施工制约因素,阐述了超浅埋条件下盾构始发所面临的地表沉降冒浆、盾... 详细信息

盾构始发是盾构隧道工程施工的第一阶段,直接影响着整个隧道工程的施工进度。为提高盾构始发的安全与效率,文章依托广州白云机场T3交通枢纽轨道预留工程,提取盾构始发施工制约因素,阐述了超浅埋条件下盾构始发所面临的地表沉降冒浆、盾构机组装移动、负环拼接和洞门密封等施工重难点问题,并结合工程实践提出了以调整泥水压力、铺设导轨、焊接防扭装置和预埋洞门钢环等为主的难点解决措施,为后续同类型工程面临的施工问题提供了解决思路和技术支持。

关键词：超浅埋覆土盾构始发施工难点解决措施

FOURIER TRANSFORM INFRARED SURFACE ENHANCED RAMAN SCATTERING FROM PYRIDINE IN Ag COLLOIDS

在线全文

学校读者我要写书评

暂无评论

Chinese Physics Letters 1990年第10期7卷 465-468页

作者： zhang pengxiang WANG Xuan GOU Zengguang Institute of Physics Academia SinicaBeijing 100080 Department of Physics Shanzi Normal UniversityXian 710062

We report the surface enhanced Raman scattering(SERS)from pyridine in Ag colloids by Fourier transform(FT)infrared Raman *** enhancement factors were estimated as 3.4×10^(5) for pyridine in Ag colloids and 5.4 ×10^(5) for the same sample but with the addition of a small amount of *** considerable enhancement in infrared indicates the necessity of further refinement of the currently proposed SERS models.

关键词： pyridine refinement SURFACE

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

南四湖滕州片区生态环境保护管理经验

山东水利 2024年第8期 50-52页

作者：李成龙魏传强张鹏翔滕州市水库管理服务中心山东滕州277599

滕州市紧邻南四湖,为南四湖湖东重要区域,其生态环境保护对南四湖的“复苏河湖生态环境”意义重大。文章总结归纳滕州市在河湖生态环境保护方面的举措和管理经验,为提高河湖管护水平、进一步复苏南四湖生态环境,提供借鉴和参考。

关键词：滕州市河湖生态环境河湖长制综合治理

Electrical control of antiferromagnetic metal up to 15 nm

在线全文

学校读者我要写书评

暂无评论

Science China(Physics,Mechanics & Astronomy) 2016年第8期59卷 73-77页

作者： pengxiang zhang GuFan Yin YuYan Wang Bin Cui Feng Pan Cheng Song Key Laboratory of Advanced Materials (MOE) School of Materials Science and Engineering Tsinghua University

Manipulation of antiferromagnetic(AFM) spins by electrical means is on great demand to develop the AFM spintronics with low power consumption. Here we report a reversible electrical control of antiferromagnetic moments of FeMn up to 15 nm, using an ionic liquid to exert a substantial electric-field effect. The manipulation is demonstrated by the modulation of exchange spring in[Co/Pt]/FeMn system, where AFM moments in FeMn pin the magnetization rotation of Co/Pt. By carrier injection or extraction,the magnetic anisotropy of the top layer in FeMn is modulated to influence the whole exchange spring and then passes its influence to the [Co/Pt]/FeMn interface, through a distance up to the length of exchange spring that fully screens electric field. Comparing FeMn to IrMn, despite the opposite dependence of exchange bias on gate voltages, the same correlation between carrier density and exchange spring stiffness is demonstrated. Besides the fundamental significance of modulating the spin structures in metallic AFM via all-electrical fashion, the present finding would advance the development of low-power-consumption AFM spintronics.

关键词： antiferromagnetic spintronics electric-field effect exchange spring carrier density ionic liquid

Effect of wastewater composition on the calcium carbonate precipitation in upflow anaerobic sludge blanket reactors

在线全文

学校读者我要写书评

暂无评论

Frontiers of Environmental Science & Engineering 2010年第2期4卷 142-149页

作者： Shucheng YANG Yanling HE Yonghong LIU Charles CHOU pengxiang zhang Dongqi WANG Department of Environmental Engineering Xi’an Jiaotong UniversityXi’an 710049China Department of Environmental and Chemical Engineering Xi’an Polytechnic UniversityXi’an 710048China

Calcium carbonate often precipitates in anaerobic reactors treating wastewater with high calcium *** aim of this paper is to study the effect of wastewater composition on calcium carbonate precipitation in upflow anaerobic sludge blanket(UASB)*** laboratory-scale UASB reactors were operated with calcium-containing influents using acetate and carbohydrate as substrate,*** was an obvious accumulation of inorganic precipitate observed in the *** via scanning electron microscope(SEM)and energy dispersive spectroscopy(EDS)showed that the acclimated biogranules in the two reactors differed in *** carbonate was found to have precipitated on the surface of acetate-degrading biogranules,but precipitated at the core of the carbohydrate-degrading *** results indicated that substrates had significant influence on the location of calcium carbonate precipitation in anaerobic granular sludge,which was expected due to the different methanogens distribution and pH gradient within the granular sludge degrading various ***,the location of calcium carbonate precipitation substantially affected the specific methanogenic activity(SMA)of the granular *** SMA of the acetate-degrading biogranules dropped from 1.96 gCODCH4·gVSS^(–1)·d^(–1)to 0.61 gCODCH4·gVSS^(–1)·d^(–1)after 180-d of operation in the ***,the SMA of the carbohydrate-degrading biogranules was not adversely affected by calcium carbonate precipitation.

关键词： calcium carbonate precipitation anaerobic granular sludge wastewater composition microstructure upflow anaerobic sludge blanket(UASB)

Flexible high-performance microcapacitors enabled by all-printed two-dimensional nanosheets

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Science Bulletin 2022年第24期67卷 2541-2549,M0004页

作者： pengxiang zhang Yushui Fu Xin zhang Xihua zhang Bao-Wen Li Ce-Wen Nan Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials(Ministry of Education) Shandong UniversityJinan 250061China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Center of Smart Materials and DevicesWuhan University of TechnologyWuhan 430070China State Key Laboratory of Silicate Materials for Architectures School of Materials Science and EngineeringWuhan University of TechnologyWuhan 430070China State Key Lab of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China

Chemically exfoliated nanosheets have exhibited great potential for applications in various electronic ***-based processing strategies such as inkjet printing provide a low-cost,environmentally friendly,and scalable route for the fabrication of flexible devices based on functional inks of twodimensional *** this study,chemically exfoliated high-k perovskite nanosheets(i.e.,Ca_(2)Nb_(3)O_(10)and Ca_(2)NaNb_(4)O_(13))are well dispersed in appropriate solvents to prepare printable inks,and then,a series of microcapacitors with Ag and graphene electrodes are *** resulting microcapacitors,Ag/Ca_(2)Nb_(3)O_(10)/Ag,graphene/Ca_(2)Nb_(3)O_(10)/graphene,and graphene/Ca_(2)NaNb_(4)O_(13)/graphene,demonstrate high capacitance densities of 20,80,and 150 nF/cm^(2) and high dielectric constants of 26,*** 200,*** dielectric enhancement in the microcapacitors with graphene electrodes is possibly attributed to the dielectric/graphene *** addition,these microcapacitors also exhibit good insulating performance with a moderate electrical breakdown strength of approximately 1 MV/cm,excellent flexibility,and thermal stability up to 200℃.This work demonstrates the potential of high-k perovskite nanosheets for additive manufacturing of flexible high-performance dielectric capacitors.

关键词： High-k perovskite nanosheets Inkjet printing Microcapacitors Dielectric enhancement Interface effect

在线全文

学校读者我要写书评

暂无评论

山东省滕州市水库管理单位改革实践

中国水利 2024年第1期 70-72页

作者：赵波张鹏翔位海洪李祥银山东省滕州市水库管理服务中心枣庄277533

山东省滕州市在深化事业单位改革试点中,对滕州市马河水库管理服务中心、滕州市户主水库管理服务中心、滕州市虎山水库管理所进行整合,组建滕州市水库管理服务中心。改革后推行“四库共建、五线三标”管理模式,介绍了人员资源保障基线... 详细信息

山东省滕州市在深化事业单位改革试点中,对滕州市马河水库管理服务中心、滕州市户主水库管理服务中心、滕州市虎山水库管理所进行整合,组建滕州市水库管理服务中心。改革后推行“四库共建、五线三标”管理模式,介绍了人员资源保障基线、工程管理主线、防汛抗旱主线、供水服务主线、水政渔业执法主线“五线”并行,以及推进水利工程标准化管理、水利安全生产标准化管理、基层党建标准化建设的主要做法及成效。

关键词：滕州市水库管理单位整合管理改革