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China’s policy framework for carbon capture, utilization and storage: Review, analysis, and outlook
《能源前沿(英文)》 2023年 第17卷 第3期 页码 400-411 doi: 10.1007/s11708-023-0862-z
关键词: carbon capture utilization and storage (CCUS) policy content analysis China
Molecular regulation and genetic improvement of seed oil content in
Wei HUA,Jing LIU,Hanzhong WANG
《农业科学与工程前沿(英文)》 2016年 第3卷 第3期 页码 186-194 doi: 10.15302/J-FASE-2016107
Comparison of analytical procedures for measuring phosphorus content of animal manures in China
null
《农业科学与工程前沿(英文)》 2019年 第6卷 第4期 页码 431-440 doi: 10.15302/J-FASE-2019279
The concentration and components of manure phosphorus (P) are key factors determining potential P bioavailability and runoff. The distribution of P forms in swine, poultry and cattle manures collected from intensive and extensive production systems in several areas of China was investigated with sequential fractionation and a simplified two-step (NaHCO -NaOH/EDTA) procedures. The mean total P concentration, determined by the sequential fractionation procedure of intensive swine, poultry and cattle manure, expressed as g·kg , was 14.9, 13.4 and 5.8 g·kg , respectively, and 4.4 g·kg in extensive cattle manure. In intensive swine, poultry and cattle manure about 73%, 74% and 79% of total P, respectively, was bioavailable (i.e., P extracted by H O and NaHCO ) and 78% in extensive cattle manure. The results indicated the relative environmental risk, from high to low, of swine, poultry and cattle manure. There is considerable regional variation in animal manure P across China, which needs to be considered when developing manure management strategies.
关键词: diet phosphorus manure phosphorus sequential P fractionation
Nima PIRHADI, Xiaowei TANG, Qing YANG, Afshin ASADI, Hazem Samih MOHAMED
《结构与土木工程前沿(英文)》 2021年 第15卷 第2期 页码 506-519 doi: 10.1007/s11709-021-0677-0
关键词: lateral spreading displacement cumulative absolute velocity fine content artificial neural network sensitivity analysis Monte Carlo simulation
Chloride binding and time-dependent surface chloride content models for fly ash concrete
S. MUTHULINGAM,B. N. RAO
《结构与土木工程前沿(英文)》 2016年 第10卷 第1期 页码 112-120 doi: 10.1007/s11709-015-0322-x
关键词: binding isotherms chloride ingress concrete fly ash surface chloride content
Microbial fuel cell with high content solid wastes as substrates: a review
Qingliang Zhao,Hang Yu,Weixian Zhang,Felix Tetteh Kabutey,Junqiu Jiang,Yunshu Zhang,Kun Wang,Jing Ding
《环境科学与工程前沿(英文)》 2017年 第11卷 第2期 doi: 10.1007/s11783-017-0918-6
关键词: Microbial fuel cell High content solid wastes Substrate Bioremediation Biosensor
郭仁忠
《中国工程科学》 2009年 第11卷 第10期 页码 67-71
首先回顾了国土资源信息化的发展进程,综合评述了相关阶段的特征,然后,在分析国土资源信息化应用特点的基础上,阐述了知识管理与国土资源信息化的关系,指出知识管理是国土资源信息化新的发展阶段和发展方向,最后,初步规划了国土资源知识工程建设的主要任务。
《化学科学与工程前沿(英文)》 2023年 第17卷 第8期 页码 1075-1084 doi: 10.1007/s11705-022-2272-x
关键词: lignosulfonate phenolic group PEDOT:PLS hole extract layer energy level
Effect of natural pozzolan content on the properties of engineered cementitious composites as repair
Said CHOUCHA, Amar BENYAHIA, Mohamed GHRICI, Mohamed Said MANSOUR
《结构与土木工程前沿(英文)》 2018年 第12卷 第3期 页码 261-269 doi: 10.1007/s11709-017-0394-x
In order to determine the effect of Natural Pozzolan (NP) content on the mechanical properties and durability characteristics on Engineered Cementitious Composites (ECC) as repair material. This study focused on the evaluation of the most factors influencing compatibility between the repair material and the base concrete including mechanicals properties such as, compressive and flexural strengths, elastic modulus, capillary absorption and drying shrinkage. The experimental results showed that natural pozzolan reduces the compressive strength and the flexural strength of ECC at all ages. The elastic modulus of ECC was remarkably lower than that of normal-strength concrete. This lower Young’s modulus is desirable for repair concrete, because it prevents the stresses induced by restrained shrinkage. In addition, the incorporation of high-volume natural pozzolan decreases significantly the coefficient of capillary absorption at long term and increases the drying shrinkage. Generally, based on the results obtained in the present experimental investigation, ECC can be used effectively as an overlay material over existing parent concrete.
关键词: natural pozzolan engineered cementitious composites mechanical strengths elastic modulus capillary absorption drying shrinkage
一种快速均匀的采用尺度不变特征变换描述符进行基于内容的卫星图像配准方法 Article
Hamed BOZORGI, Ali JAFARI
《信息与电子工程前沿(英文)》 2017年 第18卷 第8期 页码 1108-1116 doi: 10.1631/FITEE.1500295
智能多媒体内容设计在阿里巴巴的应用 Special Feature on Intelligent Design
Kui-long LIU, Wei LI, Chang-yuan YANG, Guang YANG
《信息与电子工程前沿(英文)》 2019年 第20卷 第12期 页码 1657-1664 doi: 10.1631/FITEE.1900580
杨鹏,刘旋,李幼平
《中国工程科学》 2022年 第24卷 第4期 页码 22-31 doi: 10.15302/J-SSCAE-2022.04.003
朱世强,王永恒
《中国工程科学》 2021年 第23卷 第3期 页码 67-74 doi: 10.15302/J-SSCAE-2021.03.004
内容安全是指对信息内容的保护,以及信息内容符合政治、法律、道德层次的要求。人工智能的发展对内容安全产生了非常重要的影响。本文从基于人工智能的内容安全重大战略需求出发,梳理了国内外的研究现状与发展趋势,凝练了基于人工智能的内容安全的关键技术问题。研究提出,按照三步走的策略构建世界领先的基于人工智能的内容安全体系;在对抗性机器学习、可解释人工智能、混合增强智能、知识驱动的内容安全等方面开展技术创新突破,同时应注重政策法规和监管机制建设;建设面向内容攻防的网络靶场、面向舆情攻防的大规模社会系统模拟装置等内容安全重大基础设施。
关键词: 人工智能,内容安全,体系建设
Effect of Fe content on FeMn catalysts for light alkenes synthesis
ZHOU Jun, CHU Wei, ZHANG Hui, XU Huiyuan, ZHANG Tao
《化学科学与工程前沿(英文)》 2008年 第2卷 第3期 页码 315-318 doi: 10.1007/s11705-008-0050-z
关键词: conventional co-impregnation increase conversion loading H-TPR
标题 作者 时间 类型 操作
China’s policy framework for carbon capture, utilization and storage: Review, analysis, and outlook
期刊论文
Molecular regulation and genetic improvement of seed oil content in
Wei HUA,Jing LIU,Hanzhong WANG
期刊论文
Comparison of analytical procedures for measuring phosphorus content of animal manures in China
null
期刊论文
Predicting lateral displacement caused by seismic liquefaction and performing parametric sensitivity analysis: Considering cumulative absolute velocity and fine content
Nima PIRHADI, Xiaowei TANG, Qing YANG, Afshin ASADI, Hazem Samih MOHAMED
期刊论文
Chloride binding and time-dependent surface chloride content models for fly ash concrete
S. MUTHULINGAM,B. N. RAO
期刊论文
Microbial fuel cell with high content solid wastes as substrates: a review
Qingliang Zhao,Hang Yu,Weixian Zhang,Felix Tetteh Kabutey,Junqiu Jiang,Yunshu Zhang,Kun Wang,Jing Ding
期刊论文
Lignin-based polymer with high phenolic hydroxyl group content prepared by the alkyl chain bridging method
期刊论文
Effect of natural pozzolan content on the properties of engineered cementitious composites as repair
Said CHOUCHA, Amar BENYAHIA, Mohamed GHRICI, Mohamed Said MANSOUR
期刊论文