检索结果-南通市图书馆

Decentralized Demand Management Based on Alternating Direction Method of Multipliers Algorithm for Industrial Park with CHP Units and Thermal Storage

引用

Journal of Modern Power Systems and Clean Energy 2022年第1期10卷 120-130页

作者： Jingdong Wei Yao Zhang Jianxue Wang Lei Wu peiqi zhao Zhengting Jiang School of Electrical Engineering Xi’an Jiaotong UniversityXi’anChina Electrical and Computer Engineering Department Stevens Institute of TechnologyHobokenUSA

This paper proposes a decentralized demand management approach to reduce the energy bill of industrial park and improve its economic gains.A demand management model for industrial park considering the integrated demand response of combined heat and power(CHP)units and thermal storage is firstly ***,by increasing the electricity outputs of CHP units during peak-load periods,not only the peak demand charge but also the energy charge can be *** thermal storage can efficiently utilize the waste heat provided by CHP units and further increase the flexibility of CHP *** heat dissipation of thermal storage,thermal delay effect,and heat losses of heat pipelines are considered for ensuring reliable solutions to the industrial *** proposed model is formulated as a multi-period alternating current(AC)optimal power flow problem via the second-order conic programming *** alternating direction method of multipliers(ADMM)algorithm is used to compute the proposed demand management model in a distributed manner,which can protect private data of all participants while achieving solutions with high *** case studies validate the effectiveness of the proposed demand management approach in reducing peak demand charge,and the performance of the ADMM-based decentralized computation algorithm in deriving the same optimal results of demand management as the centralized approach is also validated.

关键词： Alternating direction method of multipliers(ADMM) combined heat and power(CHP)unit demand management industrial park integrated demand response(IDR) thermal storage

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

石墨粉尘对机电类特种设备的影响分析

引用

西部特种设备 2024年第3期7卷 48-52页

作者：孙强朱莹莹赵培琦杨悦鹤岗市特种设备检验研究所黑龙江鹤岗154100 鹤岗师范高等专科学校黑龙江鹤岗154100

机电类特种设备是石墨生产企业必不可少的生产工具。但由于石墨粉尘具有良好的稳定性、导电性以及润滑性等特点[1],机电类特种设备运行在充满石墨粉尘的厂区环境当中可能存在某种潜在风险。本文综合石墨粉尘的物理特性与机电类特种设备... 详细信息

机电类特种设备是石墨生产企业必不可少的生产工具。但由于石墨粉尘具有良好的稳定性、导电性以及润滑性等特点[1],机电类特种设备运行在充满石墨粉尘的厂区环境当中可能存在某种潜在风险。本文综合石墨粉尘的物理特性与机电类特种设备的使用特点,进而分析出石墨厂区内电梯、起重机械以及叉车等特种设备所存在的风险,并对上述风险隐患提供了相应的解决办法。

关键词：石墨粉尘机电类特种设备风险

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Study of Panjin Wetlands Along Bohai Coast:(Ⅰ) the Information System of Wetlands Based on 3S Technique

引用

Journal of Ocean University of China 2008年第4期7卷 411-415页

作者： WANG Tieliang ZHOU Linfei YANG peiqi zhao Bo Water Resources College Shenyang Agricultural University Shenyang 110161 P R. China

Based on previot, s stt,dies on Panjin wetlands along the coast of the Bohai Sea, this paper adopts RS, GIS and GPS techniques and establishes the information system for Panjin wetlands. The system involves many functions, such as identification and classification of wetlands, calculation of the area of wetlands and storage of the information of the wetland management. Moreover, our study indicates that remote sensing technique is a useful tool for great macrography, speediness and accuracy to carry out the extraction, analysis, management and handling of information together with geography information system, which has prospective applications in similar kinds of research.

关键词： remote sensing Geographical Information System information system of Panjin wetlands: GPS

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

General synthesis of transition metal nitride arrays by ultrafast flash Joule heating within 500 ms

引用

Science China Chemistry 2024年第6期67卷 1976-1982页

作者： peiqi Shen Jiahui zhao Yanan Gao Yunxiang Lin Yuchen Han Kun Xu School of Chemistry and Chemical Engineering Key Laboratory of Functional Inorganic Material Chemistry of Anhui ProvinceAnhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized MaterialsKey Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of EducationAnhui UniversityHefei230601China Institutes of Physical Science and Information Technology Center of Free Electron Laser&High Magnetic FieldLeibniz International Joint Research Center of Materials Sciences of Anhui ProvinceAnhui UniversityHefei230601China

Transition metal nitrides(TMNs)are considered as viable alternatives to noble metal catalysts owing to their versatile electronic structure and favorable catalytic ***,the conventional synthetic processes for TMNs suffer from high energy consumption and low production *** this study,a range of TMNs and their hetero-composite arrays were successfully synthesized via an ultrafast flash Joule heating technology within 0.5 *** a proof concept,the nitrides and hetero-composites were applied for the electrocatalytic hydrazine oxidation reaction(HzOR),in which the Co_(4)N/Mo_(16)N_(7)arrays shows the best performance with a geometric current density of 100 mA cm^(-2)at 23 mV(*** hydrogen electrode(RHE)).This work paves a new way for the ultrafast synthesis of TMNs which could meet the ever-increased energy crisis.

关键词： flash Joule heating rapid synthesis transition metal nitrides hydrazine oxidation reaction electrocatalysts

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Genome-wide DNA methylome analysis reveals a critical role of methylation-dysregulated lncRNAs in autophagy regulation in glioblastoma

引用

Genes & Diseases 2024年第5期11卷 51-54页

作者： Hongying zhao Ying Liu Meiting Fei Lin Bo Lixia Wang Yaopeng Shu peiqi Ben Li Wang College of Bioinformatics Science and Technology Harbin Medical UniversityHarbinHeilongjiang 150081China

Glioblastoma(GBM)is the most common primary malignant intracranial tumor with a very poor *** this study,we systematically analyzed the DNA methylation alterations of autophagy-related lncRNAs and their association with drug therapies in *** identified 9 DNA methylation-dysregulated lncRNA regulators of autophagy-related genes as autophagy-related lncRNAs.A dysregulated regulatory network consisting of 9 autophagy-related lncRNAs and 237 differentially expressed autophagy-related genes was *** of small molecule drug candidates that may affect DNA methylation dysregulated lncRNA activity,including 45 drug lncRNA pairs,involving 7 DNA methylation dysregulated lncRNAs and 43 ***,we identified a DNA methylation-dysregulated autophagy-related lncRNA MIR155HG as an independent prognostic indicator for GBM.

关键词： regulated alterations drugs

来源：

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

Eliminating H_(2)O/HF and regulating interphase with bifunctional tolylene-2,4-diisocyanate(TDI)additive for long life Li-ion battery

引用

Journal of Energy Chemistry 2024年第8期95卷 519-528,I0011页

作者： Xueyi Zeng Xiang Gao peiqi Zhou Haijia Li Xin He Weizhen Fan Chaojun Fan Tianxiang Yang Zhen Ma Xiaoyang zhao Junmin Nan School of Chemistry South China Normal UniversityGuangzhou 510006GuangdongChina Guangzhou Tinci Materials Technology Co.Ltd. Guangzhou 510760GuangdongChina School of Environmental Engineering and Chemistry Luoyang Institute of Science and TechnologyLuoyang 471023HenanChina School of Geomatic and Environmental Engineering Henan Polytechnic InstituteNanyang 473000HenanChina

Lithium-ion batteries(LIBs)featuring a Ni-rich cathode exhibit increased specific capacity,but the establishment of a stable interphase through the implementation of a functional electrolyte strategy remains *** when the battery is operated under high temperature,the trace water present in the electrolyte will accelerate the hydrolysis of the electrolyte and the resulting HF will further erode the *** order to enhance the long-term cycling performance of graphite/LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)(NCM811)LIBs,herein,Tolylene-2,4-diisocyanate(TDI)additive containing lone-pair electrons is employed to formulate a novel bifunctional electrolyte aimed at eliminating H_(2)O/HF generated at elevated *** 1000 cycles at 25℃,the battery incorporating the TDI-containing electrolyte exhibits an impressive capacity retention of 94%at 1 *** contrast,the battery utilizing the blank electrolyte has a lower capacity retention of only 78%.Furthermore,after undergoing 550 cycles at 1 C under45℃,the inclusion of TDI results in a notable enhancement of capacity,increasing it from 68%to 80%.This indicates TDI has a favorable influence on the cycling performance of LIBs,especially at elevated *** analysis of the film formation mechanism suggests that the lone pair of electrons of the isocyanate group in TDI play a crucial role in inhibiting the generation of H_(2)O and HF,which leads to the formation of a thin and dense *** existence of this interphase is thought to substantially enhance the cycling performance of the *** work not only improves the performance of graphite/NCM811 batteries at room temperature and high temperature by eliminating H_(2)O/HF but also presents a novel strategy for advancing functional electrolyte development.

关键词： Graphite/LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)battery Tolylene-2 4-diisocyanate Long-cycling performance H_(2)O/HF eliminated additive

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Efficacy and safety of modified medium-chain triglyceride ketogenic diet in patients with drug-resistant epilepsy

引用

Acta Epileptologica 2024年第1期7卷 44-52页

作者： Hua Li Yao Wang Jing Guo peiqi Zhang Zheng Xu Kai Peng Xiaoli Dong Liming zhao Department of Neurology Guangdong Sanjiu Brain HospitalGuangzhou510510China

Background Medium-chain triglyceride ketogenic diet(MCTKD)is previously less commonly used in *** study was aimed to assess the efficacy and safety of the modified MCTKD in the treatment of drug-resistant epilepsy in Chinese *** Patients with drug-resistant epilepsy were enrolled to receive treatment with modified MCTKD in Guangdong Sanjiu Brain Hospital during December 2020 and September *** modified MCTKD contained fat that provided 50–70%of the total energy,as well as proteins and carbohydrates that provided 20–30%and 20%of energy,*** fat component was composed of 20–30%medium-chain triglycerides(MCTs)and 30–40%long-chain *** efficacy and safety of the diet were assessed at 1,3 and 6 *** A total of 123 patients aged 2.5 to 65 years,were included in this *** response rates at 1,3 and 6 months were 49.6%,43.1%,and 30.9%,*** seizure freedom rates at 1,3 and 6 months were 12.2%,10.6%,and 6.5%,*** retention rates at 1,3 and 6 months were 98.4%,65.0%and 33.3%*** effects occurred in 21.14%of patients,which were predominantly gastrointestinal symptoms such as abdominal pain,diarrhea,vomiting,and constipation,and most of them resolved after dietary adjustments.A total of 82 patients(66.7%)discontinued the treatment with the reason of refusing to eat(8.1%),poor efficacy(35.0%),poor compliance(4.9%),and inability to follow-up(9.8%).Only 4 patients(3.3%)withdrew the diet due to side *** The modified MCTKD with MCTs providing 20–30%of energy has a good safety in patients with drug-resistant epilepsy,but its effectiveness needs to be *** modifications of MCTKD with an optimal energy ratio are required to achieve a better efficacy and safety.

关键词： Medium-chain triglyceride ketogenic diet Ketogenic diet Drug-resistant epilepsy Efficacy Safety

来源：

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

油井管硫化氢腐蚀研究进展

引用

云南化工 2019年第12期46卷 59-60页

作者：赵培琪西安石油大学

油井管的防腐蚀工作是油田事业发展的关键,正确认识管道腐蚀产生的原因对油田的发展至关重要。导致油井管腐蚀的因素有很多,其中含硫化氢介质流动引起的腐蚀和应力集中等问题会加速管柱壁厚减薄,降低管柱强度。概述了在硫化氢环境下油... 详细信息

油井管的防腐蚀工作是油田事业发展的关键,正确认识管道腐蚀产生的原因对油田的发展至关重要。导致油井管腐蚀的因素有很多,其中含硫化氢介质流动引起的腐蚀和应力集中等问题会加速管柱壁厚减薄,降低管柱强度。概述了在硫化氢环境下油井管腐蚀的影响因素,讨论了硫化氢分压、介质温度、介质流速等因素对硫化氢腐蚀的影响。

关键词：油井管硫化氢腐蚀速率影响因素

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

基于扩散加权成像和动态增强MRI的影像组学特征与乳腺癌分子分型的关系初探

引用

中华放射学杂志 2018年第5期52卷 338-343页

作者：吴佩琪赵可吴磊刘再毅梁长虹南方医科大学第二临床医学院广州510515 广东省人民医院放射科广东省医学科学院华南理工大学

目的探讨基于DWI和动态增强MRI（DCE-MRI）的影像组学特征与乳腺癌分子分型的关系.方法回顾性分析广东省人民医院2015年6月至2016年6月,经手术病理证实为单发肿块型乳腺癌,获得乳腺癌分子分型,且行乳腺MRI扫描并获得DCE-MRI及ADC图像... 详细信息

目的探讨基于DWI和动态增强MRI（DCE-MRI）的影像组学特征与乳腺癌分子分型的关系.方法回顾性分析广东省人民医院2015年6月至2016年6月,经手术病理证实为单发肿块型乳腺癌,获得乳腺癌分子分型,且行乳腺MRI扫描并获得DCE-MRI及ADC图像的79例患者.记录乳腺病灶MRI传统定量指标,包括ADC值和初始强化率（IER）;对ADC图和DCE-MRI图上的病灶区进行手动分割并提取影像组学特征,降维后筛选出10个影像组学标签.对病理标本进行免疫组织化学检测,分为Luminal A型、Luminal B型、人表皮生长因子受体2（HER2）过表达型、三阴性（TN）型乳腺癌.采用单因素logistic回归分析,比较ADC值、IER值以及影像组学标签独立进行分子分型预测的效果;采用多因素logistic回归建模,并绘制ROC,计算ROC下面积（AUC）,比较各模型的诊断效能;采用Hosmer-Lemeshow检验对模型的拟合优度进行检验.结果 Luminal A型29例,Luminal B型39例, HER2过表达型5例,TN型6例.采用单因素logistic回归分析法对传统乳腺MRI参数ADC、IER值及所提取的10个影像组学标签在进行分子分型分类中的效果进行分析,ADC、IER值在鉴别各组的分子分型时,AUC值均〈0.70（0.516-0.605）,鉴别价值不大;鉴别各个分子分型时,至少有1个影像特征AUC〉0.70,其中DCE_L_G_2.5_autocorrelation鉴别TN的AUC最高（0.941）.行多因素logistic回归分析,获得了鉴别诊断的最佳模型,鉴别Luminal A和非Luminal A型、Luminal B和非Luminal B型、TN和非TN的最佳模型鉴别诊断的AUC分别为0.786、0.733和0.941,经Hosmer-Lemeshow检验,各模型P均〉0.10（分别为0.156、0.204和0.820）,说明所建立的各个模型的预测值与观测值之间差异无统计学意义,模型拟合效果较好.结论基于DWI和DCE-MRI的影像组学特征则有助于鉴别乳腺癌的分子亚型,尤其是鉴别TN型乳腺癌具有较大价值.

关键词：乳腺肿瘤影像组学纹理分析分子分型预测

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

秦岭山区商洛市大气降水化学组成特征及来源分析

引用

水资源与水工程学报 2020年第4期31卷 24-30页

作者：李晓刚赵良菊刘琼赵咏琪成静卢久菊赵培琦商洛学院城乡规划与建筑工程学院陕西商洛726000 西北大学城市与环境学院陕西西安710127

为了解秦岭山区城市大气降水化学组成与来源,2018年1-12月共收集商洛市有效降水样品40个,分析了p H、电导率(EC)和主要离子浓度(F-、Cl-、NO3-、SO42-、NH4+、K+、Na+、Ca2+和Mg2+)。结果表明:商洛市降水p H和电导率的加权平均值分别为6... 详细信息

为了解秦岭山区城市大气降水化学组成与来源,2018年1-12月共收集商洛市有效降水样品40个,分析了p H、电导率(EC)和主要离子浓度(F-、Cl-、NO3-、SO42-、NH4+、K+、Na+、Ca2+和Mg2+)。结果表明:商洛市降水p H和电导率的加权平均值分别为6.76和34.35μS/cm,降水总离子浓度加权平均值为452.89μeq/L;主要阴离子为SO42-和NO3-,分别占总阴离子浓度的59.20%和31.93%,主要阳离子为NH4+和Ca2+,分别占阳离子浓度的39.21%和33.87%,中和因子(NF)也表明二者中和能力最强;总离子浓度冬季高,夏秋季低,呈现明显的季节变化特征;相关分析表明NH4+、Ca2+与SO42-、NO3-之间相关系数均大于0.7,说明商洛大气中存在着NH4NO3、Ca(NO3)2、(NH4)2SO4、CaSO4和NH4HSO4等物质;富集因子计算表明,SO42-和NO3-主要来自人为活动,Ca2+、Mg2+和K+主要来自陆源的岩石土壤风化,Cl-主要来自于海洋源。

关键词：城市降水化学组成离子来源秦岭山区商洛市

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：