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Evaluation of site response characteristic using nonlinear method (Case study: Babol, Iran)
Asskar Janalizadeh CHOOBBASTI, Sadegh REZAEI, Farzad FARROKHZAD, Pedram Haidarzaeh AZAR
《结构与土木工程前沿(英文)》 2014年 第8卷 第1期 页码 69-82 doi: 10.1007/s11709-014-0231-4
关键词: fully nonlinear method site effect dynamic analysis response spectra
A Fast Evaluation and Research Method for Exploration Potential of Oversea Basins
Hong-quan Kang,Yun-hua Deng,Huai-cun Jia,Tao Cheng,Bo Bai
《工程管理前沿(英文)》 2016年 第3卷 第4期 页码 338-342 doi: 10.15302/J-FEM-2016052
关键词: geological risk analysis probability model evaluation factors oversea exploration hydrocarbon exploration
A new performance evaluation method and its application in fin-tube surface design of small diameter
Jufang FAN, Weikun DING, Zhigeng WU, Yaling HE, Wenquan TAO, Yongxin ZHENG, Yifeng GAO, Ji SONG
《能源前沿(英文)》 2011年 第5卷 第1期 页码 59-68 doi: 10.1007/s11708-010-0132-8
关键词: performance evaluation orthogonal design small-diameter tube
Seyed Mohsen MIRYOUSEFI AVAL,Amir AHADI,Hosein HAYATI
《能源前沿(英文)》 2016年 第10卷 第1期 页码 46-56 doi: 10.1007/s11708-015-0384-4
关键词: doubly-fed induction generator (DFIG) composite system adequacy assessment wind speed correlation
ZHANG Yan, GAO Xiang, ZHONG Zhenyu, PENG Buzhuo, DENG Xihai
《环境科学与工程前沿(英文)》 2008年 第2卷 第3期 页码 370-379 doi: 10.1007/s11783-008-0054-4
关键词: Dianchi Analytical Hierarchy monitoring modified Analytical importance
Post-evaluation of a water pollution control plan: methodology and case study
Lin ZENG,Xin DONG,Siyu ZENG,Tianzhu ZHANG,Jing LI,Jining CHEN
《环境科学与工程前沿(英文)》 2015年 第9卷 第4期 页码 712-724 doi: 10.1007/s11783-015-0773-2
关键词: river basin water pollution control plan post plan evaluation multi-attribute comprehensive evaluation interpretive structural model combined qualitative/quantitative method
Evaluation method of multiaxial low cycle fatigue life for cubic single crystal material
CHEN Jiping, DING Zhiping
《机械工程前沿(英文)》 2007年 第2卷 第3期 页码 278-282 doi: 10.1007/s11465-007-0048-0
关键词: orthotropic regression analysis crystal material multiaxial prediction
Evaluation of the power consumption of a high-speed parallel robot
Gang HAN, Fugui XIE, Xin-Jun LIU
《机械工程前沿(英文)》 2018年 第13卷 第2期 页码 167-178 doi: 10.1007/s11465-017-0456-8
An inverse dynamic model of a high-speed parallel robot is established based on the virtual work principle. With this dynamic model, a new evaluation method is proposed to measure the power consumption of the robot during pick-and-place tasks. The power vector is extended in this method and used to represent the collinear velocity and acceleration of the moving platform. Afterward, several dynamic performance indices, which are homogenous and possess obvious physical meanings, are proposed. These indices can evaluate the power input and output transmissibility of the robot in a workspace. The distributions of the power input and output transmissibility of the high-speed parallel robot are derived with these indices and clearly illustrated in atlases. Furtherly, a low-power-consumption workspace is selected for the robot.
关键词: high-speed parallel robot dynamic model power consumption evaluation method power vector
EXTRACTION AND EVALUATION OF EDIBLE OIL FROM SCHIZOCHYTRIUM SP. USING AN AQUEOUS ENZYMATIC METHOD
《农业科学与工程前沿(英文)》 2021年 第8卷 第4期 页码 623-634 doi: 10.15302/J-FASE -2021400
Schizochytrium sp., a marine microalga, is a potential source of edible oil due to its short growth cycle and rapid lipid accumulation, especially of docosahexaenoic acid. An approach to isolate edible microalgal oil from Schizochytrium sp. using aqueous enzymatic extraction (AEE) was developed. Parameters were optimized by single-factor experiments followed by Box-Behnken design. Proteases were effective in extracting oil. The maximum free oil recovery (49.7%±0.58%) and total oil recovery (68.1%±0.94%) were obtained under optimum conditions of liquid-to-solid ratio of 4.8:1, a 2.5% enzyme concentration of papain and an extraction time of 2.2 h. There was a significant difference (P<0.05) in polyunsaturated fatty acid composition between microalgal oil obtained by AEE and by Soxhlet extraction, with the former having superior physiochemical properties and higher concentrations of bioactive components including total phenolic compounds and total tocopherols. These findings indicate a potential application of AEE for extraction of oil from Schizochytrium sp.
曹杰,曹国,何建敏
《中国工程科学》 2008年 第10卷 第4期 页码 90-96
以平衡记分卡(BSC)为基础,从BSC的财务、客户、内部经营过程以及学习与成长等方面,设计了连锁经营企业的绩效考核指标体系与模糊综合评判模型,克服了传统评价体系的不足,有利于从成长的角度全面评价连锁企业绩效。
Performance evaluation of low-rise infilled reinforced concrete frames designed by considering local
《结构与土木工程前沿(英文)》 2023年 第17卷 第5期 页码 686-703 doi: 10.1007/s11709-023-0937-2
关键词: reinforced concrete frames infill wall seismic design method shear failure wall-frame interaction
The defect-length effect in corrosion detection with magnetic method for bridge cables
Qiwei ZHANG, Rongya XIN
《结构与土木工程前沿(英文)》 2018年 第12卷 第4期 页码 662-671 doi: 10.1007/s11709-018-0512-4
Quantitative evaluation of the steel corrosion in cables is significant for the safe operation of cable-supported bridges. The magnetic flux (MF) examination shows great potential to detect the corrosion defect, or loss of metallic cross-sectional area (LMA). An LMA defect in steel cables can be measured accurately when it is longer than a certain length. However, for defects in early stage, where the length of corrosion area is short, the MF examination may produce unacceptable error. In this study, the effect of defect length on the MF examination for corrosion detection of bridge cables is investigated through theoretical analysis and model experiments. An original analytical model to quantify the influence of defect length is proposed based on the equivalent magnetic circuit method. Then, MF examination experiments are performed on a series of cable models with different defect lengths and locations to verify the analytical model. Further, parameter study is conducted based on the proposed analytical model to clarify the mechanism of the defect-length effect. The results show that the area loss caused by short corrosion damage will be underestimated if the defect-length effect is neglected, and this effect can be quantified efficiently with the proposed analytical model.
关键词: bridge cable corrosion detection defect length MF examination quantitative evaluation
郭峰,刘慧
《中国工程科学》 2011年 第13卷 第8期 页码 97-102
文章将功能系数法与广泛应用于管理评价的逻辑框架法进行综合运用,认为项目及组织的可持续发展是建设项目协调管理的最高境界,从目标协调管理绩效、组织协调管理绩效、利益相关方协调管理绩效及项目和组织可持续发展性4个方面建立了建设项目协调管理绩效评价指标体系,并给出各指标的计算方法,运用功能系数法计算建设项目协调管理绩效综合评价功能系数,从而有效量化了对建设项目协调管理绩效的综合评价。最后,通过算例研究,验证了指标体系构建方法及各指标计算方法的可行性,这个方法可以有效地衡量协调管理的功能。
Evaluation of groundwater quality in the Xinjiang Plain Area
Jinlong ZHOU, Xinguang DONG, Yiping WANG, Guomin LI, Xiaojing GUO,
《环境科学与工程前沿(英文)》 2010年 第4卷 第2期 页码 183-186 doi: 10.1007/s11783-010-0021-8
关键词: groundwater quality evaluation one veto method total dissolved solids (TDS) pH total hardness
Yuji KOHGO, Akira TAKAHASHI, Tomokazu SUZUKI,
《结构与土木工程前沿(英文)》 2010年 第4卷 第1期 页码 92-101 doi: 10.1007/s11709-010-0009-2
关键词: fill dam consolidation analysis unsaturated geo-materials impounding construction
标题 作者 时间 类型 操作
Evaluation of site response characteristic using nonlinear method (Case study: Babol, Iran)
Asskar Janalizadeh CHOOBBASTI, Sadegh REZAEI, Farzad FARROKHZAD, Pedram Haidarzaeh AZAR
期刊论文
A Fast Evaluation and Research Method for Exploration Potential of Oversea Basins
Hong-quan Kang,Yun-hua Deng,Huai-cun Jia,Tao Cheng,Bo Bai
期刊论文
A new performance evaluation method and its application in fin-tube surface design of small diameter
Jufang FAN, Weikun DING, Zhigeng WU, Yaling HE, Wenquan TAO, Yongxin ZHENG, Yifeng GAO, Ji SONG
期刊论文
A novel method for reliability and risk evaluation of wind energy conversion systems considering wind
Seyed Mohsen MIRYOUSEFI AVAL,Amir AHADI,Hosein HAYATI
期刊论文
Comprehensive evaluation of heavy metal contamination of sediment in Lake Dianchi by using modified AHPmethod and Cs dating
ZHANG Yan, GAO Xiang, ZHONG Zhenyu, PENG Buzhuo, DENG Xihai
期刊论文
Post-evaluation of a water pollution control plan: methodology and case study
Lin ZENG,Xin DONG,Siyu ZENG,Tianzhu ZHANG,Jing LI,Jining CHEN
期刊论文
Evaluation method of multiaxial low cycle fatigue life for cubic single crystal material
CHEN Jiping, DING Zhiping
期刊论文
Evaluation of the power consumption of a high-speed parallel robot
Gang HAN, Fugui XIE, Xin-Jun LIU
期刊论文
EXTRACTION AND EVALUATION OF EDIBLE OIL FROM SCHIZOCHYTRIUM SP. USING AN AQUEOUS ENZYMATIC METHOD
期刊论文
Performance evaluation of low-rise infilled reinforced concrete frames designed by considering local
期刊论文
The defect-length effect in corrosion detection with magnetic method for bridge cables
Qiwei ZHANG, Rongya XIN
期刊论文
Evaluation of groundwater quality in the Xinjiang Plain Area
Jinlong ZHOU, Xinguang DONG, Yiping WANG, Guomin LI, Xiaojing GUO,
期刊论文