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Konya, Turkey 3Department of Computer Engineering, Konya Tech.
Konya, Turkey 4Department of Software Engineering, Konya Tech.
Materials and Methods PSG signals of 124 subjects which were recorded at the Meram Medical Faculty hospital were used in this study.
Sanei, Classification of Awake, REM, and NREM from EEG via Singular Spectrum Analysis, Annual International Conference of the IEEE Engineering in Medicine and Biology Society (2015).
Şekeroğlu, A Novel Portable Real‑Time Low‑Cost Sleep Apnea Monitoring System based on the Global System for Mobile Communications (GSM) Network, Medical and Biological Engineering and Comp. 60 (2022)

Assessing Energy Efficiency of High Pressure Regenerative Feedwater Heaters in a Heating Unit of a Cogeneration Plant Bogdan Pojawa Polish Naval Academy, Śmidowicza 69, 81-103 Gdynia, Poland b.pojawa@amw,gdynia.pl Key words: energy efficiency, heating unit, regenerative feedwater heater, cogeneration plant Abstract.
The Institution of Electrical Engineers, London 2000
Materials and Design 2005, 26(1), 59-63

Materials and Methods Silver nanoparticles.
Several reports indicated that SNPs release silver ions that may play key role in their toxicity by interacting with cellular organelles stimulating oxidative damage affecting cellular metabolism and membranes integrity via lipid peroxidation and protein denaturation [17, 34].
Biskos, Methods for assessing basic particle properties and cytotoxicity of engineered nanoparticles, Toxics 2 (2014) 79-91

The prediction of thermal comfort can be difficult due to the diversity of clothing insulation in a building can be explained by various reasons, such as genders [23], dress code regulations, response to outdoor environmental conditions [25], material culture [21], comfort level, indoor environment, appropriateness to the job, desire to be fashionable, after-work activities [25].
The two parameters are key parameters to integrate adaptive theories into Fanger’s model.
References [1] ASRHAE, ASRHAE Standard 55: Thermal Environment Conditions for Human Occupancy, American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1992
[7] ASHRAE, ASHRAE Standard 55P-2003: Thermal Environmental Conditions for Human Occupancy, American Society of Heating Refrigeration and Air-conditioning Engineers (ASRHAE), 2003

Economic benefit refers to the ratio between the output and the input in economic activities, or the ration between the economic gains and the input of manpower, material and financial resources. good economic returns indicate that less resource consumed over the same amount economic gain, or more economic gain over the same amount of resource consumed.
Recommendations on policies to promote development of shallow geothermal energy in china Construction of incentive and restraint mechanisms for development and utilization of shallow geothermal energy Establish the incentive mechanism for development and the expropriation compensation mechanism in key areas for shallow geothermal energy.
Exploration Engineering: Rock & Soil Drilling and Tunneling. 37(10)(2010), 30–34.

Occurrence of Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoate(PFOA) in Aquatic Systems from Asia Xiao-Lu Xu1, Hui-Ying Xu1, a, De-Yong Zhang 1, Xiu-ying Shen2, Guo-Zhang Tong3, Yin Lu1 and Wei Wang4 1 College of Biology & Environment Engineering, Zhejiang Shuren University, Hangzhou 310015, China 2 School of Biological and Chemical, Zhejiang University of Science and Technology, Hangzhou 310023, China 3 Zhejiang Environmental Monitoring Center, Hangzhou 310012, China 4 Zhenhai Environmental Monitoring Station, ningbo 315200, China aemail: xuhy65@163.com Keywords: Perfluorooctane Sulfonate (PFOS); Perfluorooctanoate(PFOA); aquatic environment; Asia Abstract.
To our surprise, the concentration of PFOS (mean: 279.58 ng·L-1) in bottled purified water is over 200 ng·L-1, it may have a relationship with the material of bottles and need to be paid attention to further research.
Acknowledgements This work was financially supported by the Natural Science Foundation of Zhejiang province, China (LY12B07013; LY12C03009; Y5110130), State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences (KF2011-19), and Project of Zhejiang Provincial Environmental Protection Office (2011A23).

In both materials, dielectric breakdown is a "weakest link" problem.
Yoshihara, "Advanced gate dielectric materials for sub-100 nm CMOS", IEDM Techn.
Chattopadhyay, "Surface roughness and interface engineering for gate dielectrics on strained layers", J.
Conf. on Solid State Devices and Materials", A.
Solid State Devices & Materials (Tokyo, 2003) p.810. 152 M.

Ion exchange behaviors of Ca(II) and Mg(II) on Lewatit MonoPlus TP 207 and TP 208 chelating resins Shuangying Jiang1,a, Bin Gao1,b and Bin Dong1,c 1National Engineering Research Center of Urban Pollution Control, Tongji University, 588 Miyun Road, Shanghai 200092, China ajsy@tongji.edu.cn, bglory_818@hotmail.com, ctj_dongbin@163.com Key words: equilibrium constant; kinetics; isotherm; chelating resin; calcium; magnesium Abstract.
Introduction Ion exchange reactions have important applications in industrial processes and analytical chemistry, particularly for separation of ionic materials.
Our results will provide supporting material for analyzing the feasibility of chelating resins in removing trace amount of alkaline metal ions from aqueous solutions.

The furnace is used to heat the raw material, more exactly the steel billets from the ambient temperature to the piercing temperature (approximatly 1300).
The control of both actions of the arm and of the d.c. motors are made manually by operators through control keys.
Vlad, Digital factory in the management of the logistical systems, Management and Economical Engineering Journal, 12, 1 (2013), pp. 33-40

It seems to be the material for power devices.
So as precondition for market acceptance it has to be clear, that the system engineer gets a clear benefit by applying a comparatively high switching frequency.
This fits quite well in the system designers roadmap, where power density (Output power / power supply volume) is a key topic today.
Fig. 7: Schematic of a single switch resonant reset forward transformer requiring only one 1500 V switch With the above mentioned advantages of the proposed single switch approach we are confident, that based on overall system costs this solution is competitive even with the quite high SiC base material costs.