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Natural Resources 2016年第1期7卷 57-68页

作者： Ioannis Gravalos Panagiotis Xyradakis Dimitrios Kateris Theodoros Gialamas Dimitrios Bartzialis kyriakos Giannoulis Department of Biosystems Engineering School of Agricultural Technology Technological Educational Institute of Thessaly Larissa Greece Laboratory of Agronomy and Applied Crop Physiology Department of Agriculture Crop Production & Rural Environment University of Thessaly Volos Greece

Solid biomass fuels are useful and cost effective renewable energy source. The energy content of biomass is determined by its calorific value. The objective of this study was to determine experimentally the gross calorific value (GCV) of different agroforestry species and bio-based industry residues that could be used by: a) companies specialized in processing raw biomass solid biofuel production, b) small-scale consumers (households, medium-sized residential buildings, etc.). The fuel samples used were from agricultural residues and wastes (rice husks, apricot kernels, olive pits, sunflower husks, cotton stems, etc.), energy crops and wetland herbs (cardoon, switchgrass, common reed, narrow-leaf cattail), and forest residues (populus, fagus, pinus). The GCV of the bio-mass samples was experimentally determined based on CEN/TS 14918:2005, and an oxygen bomb calorimeter was used (Model C5000 Adiabatic Calorimeter, IKA?-Werke, Staufen, Germany). The GCV of different agroforestry species and residues ranges from 14.3 - 25.4 MJ?kg–1. The highest GCV was obtained by seeds and kernels due to higher unit mass and higher lipid content. Pinus sylvestris with moisture content 24.59% obtained the lowest GCV (13.973 MJ?kg–1).

关键词： Gross Calorific Value Bomb Calorimeter Biomass Bioenergy Agroforestry Residues

Multi-agent Differential Graphical Games

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Multi-agent Differential Graphical Games

Serum Calprotectin and Prealbumin Levels among Ovarian Cancer Patients Aged 30 - 45 Years

第三十届中国控制会议

作者： kyriakos G.Vamvoudakis F.L.Lewis Automation and Robotics Research Institute University of Texas at ArlingtonFort WorthUSA

＜正＞Multi-agent systems arise in several domains of engineering and can be used to solve problems which are difficult for an individual agent to *** for team decision problems,including optimal control,N-player games（H-infinity control,non-zero sum）,and so on are normally solved for off-line by solving associated matrix equations such as the coupled Riccati equations or coupled Hamilton-Jacobi ***,using that approach players cannot change their objectives online in real time without calling for a completely new off-line solution for the new ***,in this paper are brought together cooperative control,reinforcement learning,and game theory to present a multi-agent formulation for online solution of team *** notion of graphical games is developed for dynamical systems,where the dynamics and performance indices for each node depend only on local neighbor *** is shown that standard definitions for Nash equilibrium are not sufficient for graphical games and a new definition of "Interactive Nash Equilibrium" is *** give a cooperative policy iteration algorithm for graphical games that converges to the best response when the neighbors of each agent do not update their policies,and to the cooperative Nash equilibrium when all agents update their policies *** is used to develop methods for online adaptive learning solutions of graphical games in real time.

关键词： Cooperative Hamilton-Jacobi equations Policy Iteration Interactive Nash-equilibrium Best response Graphical games

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Open Journal of Obstetrics and Gynecology 2017年第3期7卷 303-311页

作者： Anastasia Petsa Vasilios Pergialiotis Panagiotis Konstantopoulos Athanasia Katsichti kyriakos Petrou Athanasios Giannopoulos Dimitrios Botsis Despina Perrea Laboratory of Experimental Surgery and Surgical Research N.S. Christeas National and Kapodistrian University of Athens Athens Greece 1st Department of General Surgery “Laikon” General Hospital of Athens Athens Greece 2nd Department of Obstetrics-Gynecology “Aretaieion” Hospital Athens Greece

Purpose: Serum calprotectin and prealbumin have been previously linked with ovarian cancer. However, to date, their effectiveness in the diagnosis of the disease remains uncertain. The purpose of the present study is to determine whether serum prealbumin and calprotectin correlate with the stage and type of histologic diagnosis. Materials-Methods: In the present study, we included 80 women aged 30 - 45 years that had either primary ovarian cancer (Stages 1 and 2) with elevated levels of CA-125 (n = 40) or were healthy (n = 40). Serum calprotectin and prealbumin levels were assessed using ELISA kits. Statistical analysis was performed with SPSS v.20.0 statistical software. Results: Both plasma prealbumin and calprotectin levels were significantly different in patients with ovarian cancer compared to healthy controls. Specifically, serum prealbumin levels showed a level towards decreasing as the stage of the disease advanced (21.2 (15.5 - 30.6) in healthy controls, 12.8 (6.9 - 16) for patients with stage 1 disease and 9.9 (4.0 - 15.5) for patients with stage 2 disease p p Conclusions: Both prealbumin and calprotectin seem to be useful markers for the identification of patients suffering from ovarian cancer.

关键词： CA-125 Calprotectin Ovarian Cancer Prealbumin

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利用笼中原子实现精准计时

科技纵览 2017年第12期 34-39页

作者： kyriakos Porfyrakis Edward A. Laird

对于弗里乔夫·南森（Fridtjof Nansen）来说，1895年4月13日开端不错。6天前，这位来自挪威的探险家创造距离北极更进一步的新纪录，此时他正沿着尚未开裂的海面浮冰向着弗利格利角和回家的方向迅速行走。然而不久他懊丧地意识到：在... 详细信息

对于弗里乔夫·南森（Fridtjof Nansen）来说，1895年4月13日开端不错。6天前，这位来自挪威的探险家创造距离北极更进一步的新纪录，此时他正沿着尚未开裂的海面浮冰向着弗利格利角和回家的方向迅速行走。然而不久他懊丧地意识到：在匆匆忙忙收帐篷的过程中，

关键词：原子实计时利用探险家

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希腊风电发展分析

风能 2012年第2期 50-53页

作者： kyriakos Rossis Eftihia Tzen 苏晓希腊可再生能源与节能中心

近几年,随着全球气候变暖与能源紧缺的压力不断增大,很多国家都将发展可再生能源作为一项重要的战略目标。作为欧盟成员国的一员,希腊政府在发展可再生能源,尤其是发展风电方面的成就有目共睹。2010年,希腊新增88台风电机组,共计101兆瓦... 详细信息

近几年,随着全球气候变暖与能源紧缺的压力不断增大,很多国家都将发展可再生能源作为一项重要的战略目标。作为欧盟成员国的一员,希腊政府在发展可再生能源,尤其是发展风电方面的成就有目共睹。2010年,希腊新增88台风电机组,共计101兆瓦,总装机容量增长到1210兆瓦,增长

关键词：希腊发电量 2010 南欧风电发展风电项目风电机组可再生能源发电风电场

Dynamic Intermittent Suboptimal Control: Performance Quantification and Comparisons

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Dynamic Intermittent Suboptimal Control: Performance Quantif...

Medical Care at Mass Gatherings: The Case of TIF-HELEXPO Trade Fairs and Events

第37届中国控制会议

作者： Yongliang Yang kyriakos G.Vamvoudakis Hamidreza Modares Dawei Ding Yixin Yin Donald C.Wunsch School of Automation and Electrical Engineering University of Science and Technology Beijing Kevin T.Crofton Department of Aerospace and Ocean Engineering Virginia Tech Department of Electrical and Computer Engineering Missouri University of Science and Technology

This paper presents a novel intermittent suboptimal event-triggered controller design for continuous-time nonlinear systems. The stability of the equilibrium point of the closed-loop system, and the performances are analyzed and quantified theoretically. It is proven that the static and the dynamic event-triggered suboptimal controllers have a known degree of suboptimality compared to the conventional optimal control policy. In order to generate dynamic event-triggering framework, we introduce an internal dynamical system. Moreover, the Zeno behavior is excluded. Finally, a simulation example is conducted to show the effectiveness of the proposed intermittent mechanisms.

关键词： Event-triggered control performance analysis optimal control dynamic triggering condition

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Journal of Tourism and Hospitality Management 2020年第5期8卷 175-185页

作者： Dimitris Kourkouridis kyriakos Pozrikidis Dimitris Gaidartzis Aristotle University of Thessaloniki(AUTH) ThessalonikiGreece TIF-HELEXPO SA ThessalonikiGreece Nosokomastospiti—Nurse at Home ThessalonikiGreece

The provision of medical care during major events is a significant issue,both for organisers and for the emergency services that support these ***,research on this matter is *** research attempts to approach the matter through the study of fairs and events held at TIF-HELEXPO during the 2015-2018 period(1,774 medical incidents).Result analysis indicated that there are no significant differentiations in the number of medical incidents with regard to gender,age,country of origin,status,type of illness,and outcome of incidents;however,there were differentiations in the frequency of incidents,with regards to the character of the fair and the event.

关键词： mass events fairs medical incidents patient presentation rate

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虚拟货币及其扩展:初步思考

金融监管研究 2016年第4期 46-71页

作者：何东卡尔·哈伯梅尔罗斯·莱科郭建伟郇志坚 Vikram Haksar Yasmin Almeida Mikari Kashima Nadim kyriakos-Saad Hiroko Oura Tahsin Saadi Sedik Natalia Stetsenko Concepcion Verdugo.Yepes 不详中国人民银行乌鲁木齐中心支行

随着信息加密和网络计算机技术日趋成熟,科技正在推动全球经济的转型变革。虚拟货币的产生在此过程中又显得至关重要。虚拟货币方案在许多情况下便于对等网络交互绕过传统的中央结算所。虚拟货币及其关联技术(特别是基于区块链的分布式... 详细信息

随着信息加密和网络计算机技术日趋成熟,科技正在推动全球经济的转型变革。虚拟货币的产生在此过程中又显得至关重要。虚拟货币方案在许多情况下便于对等网络交互绕过传统的中央结算所。虚拟货币及其关联技术(特别是基于区块链的分布式账本)正在迅速发展,其未来前景难以预测。虚拟货币带来了许多潜在益处,包括更快速、高效的支付和转账等,并将最终促进普惠金融。一些虚拟货币方案背后的分布式账本技术提供的潜在益处将远超虚拟货币本身。但是,虚拟货币的出现也引发了许多潜在风险,如成为洗钱、恐怖融资、偷税漏税和欺诈等犯罪的工具。虚拟货币虽然目前的规模仍非常有限,对现阶段货币政策实施产生的风险亦甚微,但随着新技术的广泛应用,其对金融稳定产生的影响会日益显现。有关虚拟货币的有效监管对策还处于起步阶段。虚拟货币的在国家层面跨越了不同机构的职责,并在全球范围内操作,其监管难度很大。并且,许多虚拟货币在传统金融系统之外运作,缺乏透明度,其操作过程更难以被监管。各国监管机构已开始着手应对这些挑战且方式各异。需要注意的是,国家主管部门需认真权衡监管方式,既要适当处置风险又不能扼杀创新。为了在国家层面推进发展进程和促进政策的完善,国际层面也应进行更多努力。随着经验的不断积累,可考虑提出国际标准和最优方法,为不同领域的最优监管对策提供指导,从而促进跨辖区的协调。也可在此类标准基础上,为一些领域设立跨国合作和协调的框架。

关键词：虚拟货币加密货币支付技术分布式账本区块链金融创新金融效率金融包容性反洗钱/反恐融资消费者保护偷税漏税外汇管制资本流动管理金融监管金融稳定货币政策国际合作