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Evaluating R&D efficiency of China’s listed lithium battery enterprises
《工程管理前沿(英文)》 页码 473-485 doi: 10.1007/s42524-022-0213-5
关键词: Data Envelopment Analysis R&D investment efficiency China’s listed lithium battery enterprises technical efficiency pure technical efficiency scale efficiency
《工程管理前沿(英文)》 页码 612-624 doi: 10.1007/s42524-023-0269-x
关键词: investment efficiency government investment air pollution control three-stage DEA-Malmquist model
PUBLIC INVESTMENT IN AGRI-FOOD SYSTEM INNOVATION FOR SUSTAINABLE DEVELOPMENT
《农业科学与工程前沿(英文)》 2023年 第10卷 第1期 页码 124-134 doi: 10.15302/J-FASE-2023484
● Global public and private agricultural R&D spending has increased since 2000.
关键词: agri-food system innovation R&D investment productivity climate change
Spillover effect of environmental investment: evidence from panel data at provincial level in China
Qunhui LIN, Guanyi CHEN, Wencui DU, Haipeng NIU
《环境科学与工程前沿(英文)》 2012年 第6卷 第3期 页码 412-420 doi: 10.1007/s11783-012-0392-0
关键词: environmental investment spillover effect endogenous growth
杨 絮,刘 勇
《中国工程科学》 2015年 第17卷 第3期 页码 75-78
本文对大规模非并网风电体系的投融资方式进行了研究。首先阐述了风力发电投融资的现状。其次,对非并网风力发电的发展进行了介绍。然后对大规模非并网风电投融资的可用方法进行了分析探索,以期积极推进非并网发电体系的发展。文章最后还提及了非并网发电投融资面对的问题及给出了相关的建议。
王硕,唐小我,曾勇
《中国工程科学》 2002年 第4卷 第9期 页码 59-62
应用加速遗传算法解决组合证券投资决策问题,可以克服传统遗传算法的缺点:对搜索空间(优化变量空间)的大小变化适应能力差,计算量大,易出现早熟收敛,控制参数的设置技术无明确准则指导等,与已有结果相比,对协方差矩阵无正定性要求,目标函数可以推广到规模庞大,提高预测精度等优点。
陈耀明,钟登华,付金强
《中国工程科学》 2006年 第8卷 第7期 页码 68-71
利用多目标优化理论、多属性效用函数理论建立了工程建设项目工期、成本和质量的综合均衡优化模型,在网络计划技术的基础上,用遗传算法对模型进行求解,可以得到最满意的决策方案和多个近似满意的备选方案,作为工程建设项目投资综合控制的目标。并应用实例对模型的可行性和实用性进行了验证。
Does environmental infrastructure investment contribute to emissions reduction? A case of China
Xiaoqian SONG, Yong GENG, Ke LI, Xi ZHANG, Fei WU, Hengyu PAN, Yiqing ZHANG
《能源前沿(英文)》 2020年 第14卷 第1期 页码 57-70 doi: 10.1007/s11708-019-0654-7
关键词: environmental infrastructure investment (EII) CO2 emission SO2 emission PM2.5 pollution stochastic impact by regression on population affluence and technology (STIRPAT) model governance
何华武,洪雁,马健,莫雁苹,吴卫平,肖楠
《中国工程科学》 2017年 第19卷 第5期 页码 27-32 doi: 10.15302/J-SSCAE-2017.05.005
本文分析了中国铁路“走出去”投融资现状及存在的问题,日本海外铁路项目投融资模式,中国铁路“走出去”不同类别项目和不同类型市场的投融资模式,提出在发展中国家建设具有明显地缘政治特性,带有“一带一路”、互联互通背景,涉及国家安全等战略目标的铁路项目,国家要给予政策及资金支持。为降低融资成本,需要国家给予金融机构政策支持。提出了加强企业间联合协作、设立铁路国际合作战略委员会、中国铁路“走出去”国家战略型项目应前期认定等政策建议。
Dynamic behavior of superheated steam and ways of control
LI Xu
《能源前沿(英文)》 2008年 第2卷 第1期 页码 25-30 doi: 10.1007/s11708-008-0014-5
关键词: engineering investment Numerous simulation lead/lag temperature
Target-oriented robust optimization of a microgrid system investment model
Lanz UY, Patric UY, Jhoenson SIY, Anthony Shun Fung CHIU, Charlle SY
《能源前沿(英文)》 2018年 第12卷 第3期 页码 440-455 doi: 10.1007/s11708-018-0563-1
An emerging alternative solution to address energy shortage is the construction of a microgrid system. This paper develops a mixed-integer linear programming microgrid investment model considering multi-period and multi-objective investment setups. It further investigates the effects of uncertain demand by using a target-oriented robust optimization (TORO) approach. The model was validated and analyzed by subjecting it in different scenarios. As a result, it is seen that there are four factors that affect the decision of the model: cost, budget, carbon emissions, and useful life. Since the objective of the model is to maximize the net present value (NPV) of the system, the model would choose to prioritize the least cost among the different distribution energy resources (DER). The effects of load uncertainty was observed through the use of Monte Carlo simulation. As a result, the deterministic model shows a solution that might be too optimistic and might not be achievable in real life situations. Through the application of TORO, a profile of solutions is generated to serve as a guide to the investors in their decisions considering uncertain demand. The results show that pessimistic investors would have lower NPV targets since they would invest more in storage facilities, incurring more electricity stock out costs. On the contrary, an optimistic investor would tend to be aggressive in buying electricity generating equipment to meet most of the demand, however risking more storage stock out costs.
关键词: microgrid renewable resources robust optimization target-oriented robust optimization
La ZHUO, Arjen Y. HOEKSTRA
《农业科学与工程前沿(英文)》 2017年 第4卷 第2期 页码 185-194 doi: 10.15302/J-FASE-2017149
关键词: field management irrigation efficiency water footprint water productivity water use efficiency
吴云,何建敏
《中国工程科学》 2005年 第7卷 第9期 页码 44-48
阐述了实物期权的基本原理和敲出障碍期权的内涵及其定价求解,提出了基于敲出障碍期权的实物期权定价方法和博弈理论的项目投资决策分析,分析了双寡头市场结构下的项目投资决策,给出了算例分析。
刘良忠,葛洪朋
《中国工程科学》 2013年 第15卷 第12期 页码 18-26
渤海海峡跨海通道工程建设周期长、投入大,工程投融资以及回报等是工程规划、设计和项目决策需要考虑的一个重要问题,也是项目建成后收费运营需要研究的一个现实问题。本文比较分析了国内外已有的跨海工程融资情况,提出渤海海峡跨海通道可采用建设-运营-移交(BOT)融资模式进行建设。该项目的内部报酬率约为9.63 %,高于社会一般折现率,说明该项目具有一定的投资价值,具有经济可行性。从收益的角度考虑,该工程是一个政府、民众、投资商等众多利益相关者“多赢”的项目。
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《农业科学与工程前沿(英文)》 2019年 第6卷 第4期 页码 357-365 doi: 10.15302/J-FASE-2019275
Phosphorus (P) is essential for life and for efficient crop production, but global P use with limited recycling is inefficient in several sectors, including agronomy. Unfortunately, plant physiologists, agronomists, farmers and end users employ different measures for P use efficiency (PUE), which often masks their values at different scales. The term P use effectiveness, which also considers energetic and sustainability measures in addition to P balances, is also a valuable concept. Major physiological and genetic factors for plant P uptake and utilization have been identified, but there has been limited success in genetically improving PUE of modern crop cultivars. In maize, studies on root architectural and morphological traits appear promising. Rhizosphere processes assist in mobilizing and capturing sparingly soluble phosphate from rock phosphate. Combinations of phosphate-solubilizing microorganisms with ammonium-based nitrogen fertilizer, as well as strategies of fertilizer placement near the roots of target crops, can moderately enhance PUE. The desired concentration of P in the products differs, depending on the final use of the crop products as feed, food or for energy conversion, which should be considered during crop production.
关键词: acquisition efficiency plant growth promoting rhizobacteria phosphate use efficiency utilization efficiency
标题 作者 时间 类型 操作
Efficiency evaluation of government investment for air pollution control in city clusters: A case from
期刊论文
Spillover effect of environmental investment: evidence from panel data at provincial level in China
Qunhui LIN, Guanyi CHEN, Wencui DU, Haipeng NIU
期刊论文
Does environmental infrastructure investment contribute to emissions reduction? A case of China
Xiaoqian SONG, Yong GENG, Ke LI, Xi ZHANG, Fei WU, Hengyu PAN, Yiqing ZHANG
期刊论文
Target-oriented robust optimization of a microgrid system investment model
Lanz UY, Patric UY, Jhoenson SIY, Anthony Shun Fung CHIU, Charlle SY
期刊论文
The effect of different agricultural management practices on irrigation efficiency, water use efficiency
La ZHUO, Arjen Y. HOEKSTRA
期刊论文