Electricity quality

This paper presents the impacts of Electric Vehicle Charging Stations (EVCSs) on voltage and frequency quality in the Microgrid. It addresses security analysis, voltage and frequency quality, as well as issues related to EVCSs.

13p viling 11-10-2024 1 0   Download

The purpose of this study is to investigate the impact of Electronic word of mouth through social networking platforms on purchase intention of Vietnamese customers in cosmetics field. To conduct the study, the author built up five hypotheses based on the previous studies about EWOM. The outcomes obtained from the data analysis have made the picture clearer when among different factors of eWOM, the quality of eWOM information, the attitude of eWOM information regarding cosmetics have positive impact on cosmetic purchase intention of Vietnamese customers.

20p toduongg 24-08-2024 1 0   Download

The research "Factors affecting students' intention to use electric buses in Ho Chi Minh city" will provide a multi-dimensional view of the transition to electric buses, with the hope that the results from this research will contribute to the construction of a public transportation system. effective, sustainable, and beneficial to both the community and the environment.

9p tonhiemm 07-06-2024 8 3   Download

This dissertation aims to investigate the electrical impedance properties of fruits and vegetables, and explore the relationship between impedance and quality criteria. In particular, the present dissertation outlines experimental research conducted on relationships between impedance properties and fruit tastes as well as the impedance changes observed during ripening process. Impedance measurement to monitor moisture content changes in the progress of drying is also included in this research.

116p runthenight05 01-03-2023 7 3   Download

The research "Impact of carbon pricing on voluntary environmental disclosures of electricity generating sector: a multi country analysis" objectives include: 1) To identify the voluntary environmental disclosure pattern of companies operating in carbon pricing countries; 2) To identify the voluntary environmental disclosure pattern of organisations operating in non-carbon pricing countries; 3) To assess the quantity and quality of voluntary environmental disclosures of companies from different countries; and 4) To assess the implementation of G4 sustainability reporting guidelines by the se...

141p runthenight04 02-02-2023 4 2   Download

The present study reports the seasonal and spatial changes in water quality of river Yamuna, India. Surface water samples were collected from three different stretches of river Yamuna i.e. Delhi, Mathura and Agra on seasonal basis from April 2014 to February 2015 and were analyzed for different water quality parameters i.e. water temperature, pH, electrical conductivity, total dissolved solids, total alkalinity, biochemical oxygen demand, chemical oxygen demand, dissolved oxygen, nitrates and phosphates...

19p kequaidan7 01-09-2020 29 1   Download

The purpose of this study is to analyze the environmental pollution during the period from 1990 to 2014 in order to discuss the most important factors can effect environmental quality in a specific region in Asia.

8p nguyenxuankha_bevandan 13-08-2020 33 3   Download

This article is the first proposing a cross-country analysis identifying the determinants of the quality of electricity supply at a global level. In this analysis, 138 countries at different development stages have been considered and data are sourced in the Global Competitiveness Report (2016-2017), Worldwide Governance Indicators (WGI) and the World Development Indicators (WDI).

13p nguyenxuankha_bevandan 13-08-2020 38 3   Download

Lentic systems are a diverse set of inland freshwater habitats (Lakes and ponds) exist across the globe and provide essential resources and habitats for both terrestrial and aquatic organisms. The current work was intended to evaluate the quality of the selected ponds (Pond 1, 2 and 3) in and around Vellore district, TamilNadu. The water samples were collected to determine the physical and chemical parameters during every month in the year 2019. Water parameters such as temperature, pH, dissolved oxygen, Alkalinity, electrical conductivity, Chloride, Sulphate, Nitrate, Ca, Cl was studied.

10p angicungduoc6 22-07-2020 26 2   Download

The development of techniques that allow producing high-finish surfaces of geometrically-complex parts of difficult-to-machine materials by electrical discharge machining (EDM) is an emerging research area. The aim of this work is to study the application of electrolytic-plasma polishing technique for the high-quality surface finish of the parts obtained by EDM process.

6p tohitohi 19-05-2020 15 3   Download

A database consisting of 23 tripeptides was used to study the quantitative relationships between electric surface potential descriptors and antioxidant activity QESARs. The important structural descriptors SaaNH_acnt, SsOH_acnt, SaaN, SaaN_acnt, SsssCH, SaaaC, SsNH3p, SdO, SdO_acnt were selected for constructing the linear models QESARs with genetic algorithm. The best 4-variable linear model QESARlinear including the structural descriptors SaaN, SdO, SdO_acnt and SsOH_acnt was constructed. The quality QESARlinear was exhibited in statistical values R2 fitness of 97.

7p nguathienthan1 20-11-2019 10 1   Download

The goads of this thesis: Successfully fabricated ceramic piezoelectric samples (Ba1-xCax) TiO3 (BCT) and BZT-BCT by solid phase synthesis method. BZTBCT materials must be good quality, high piezoelectric coefficient (500-600 pC / N). Studying the relationship between morphological competition and dielectric ferroelectric properties, especially with the high piezoelectric properties of materials.

26p xacxuoc4321 09-07-2019 52 7   Download

(BQ) In the study, temperature measurements have been made for Ti–6Al–4V workpieces with various duty factors to clarify the essential causes of difficulty in machining titanium alloys and observe the optimal duty factor in terms of productivity and quality.

7p xuanphuongdhts 27-03-2017 49 4   Download

(BQ) The adequate selection of manufacturing conditions is one of the most important aspects to take into consideration in the die-sinking electrical discharge machining (EDM) of conductive ceramics, as these conditions are the ones that are to determine such important characteristics as: surface roughness, electrode wear (EW) and material removal rate, among others. In this work, a study was carried out on the influence of the factors of intensity (I), pulse time (ti) and duty cycle (η) over the listed technological characteristics.

7p xuanphuongdhts 27-03-2017 38 2   Download

Large bandwidth penalty since the subcarriers can’t have perfectly rectangular pulse shapes and still be time-limited. Very high quality (expensive) low pass filters will be required to maintain the orthogonality of the subcarriers at the receiver.

27p nhq_khtn 07-11-2013 53 3   Download

This paper discusses the results of an experiment designed to test the quality of translations, in which human subjects were presented with IBM-produced machine translations of several passages taken from the Russian electrical engineering journal Elektrosviaz, and with human translations of some other passages taken from Telecommunications, the English translation of Elektrosviaz.

7p nghetay_1 06-04-2013 43 2   Download

Bước khởi đầu hình thành Hệ thống quản lý chất lượng toàn diện là từ kiểm soát chất lượng tổng hợp-TQC (Total Quality Control) do ông Faygenbao xây dựng từ năm 1950 khi ông làm việc ở hãng General Electric với tư cách là một người lãnh đạo của hãng chịu trách nhiệm về quản lý chất lượng và quản lý nghiệp vụ sản xuất. TQC được định nghĩa như “một hệ thống có hiệu quả để hợp nhất các nỗ lực về triển khai chất lượng, duy trì chất lượng và cải tiến chất lượng của các bộ...

0p possibletb 23-11-2012 382 107   Download

EURASIP Journal on Applied Signal Processing 2003:10, 993–1000 c 2003 Hindawi Publishing Corporation Time-Scale Invariant Audio Data Embedding Mohamed F. Mansour Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55414, USA Email: mmansour@ece.umn.edu Ahmed H. Tewfik Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55414, USA Email: tewfik@ece.umn.edu Received 31 May 2002 and in revised form 22 December 2002 We propose a novel algorithm for high-quality data embedding in audio.

8p sting12 10-03-2012 55 4   Download

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Challenges and Trends in Analyses of Electric Power Quality Measurement Data

5p dauphong20 10-03-2012 32 4   Download

Feigenbaum xây dựng quan niệm TQC từ năm 50 khi làm lãnh đạo General Electric chịu trách nhiệm về QLCL và nghiệp vụ sản xuất. TQC được định nghĩa như sau: “một hệ thống hiệu quả hợp nhất các nỗ triển khai, duy trì và cải tiến chất lượng của các bộ phận khác nhau trong một tổ chức sao cho có thể sản xuất ở mức kinh tế nhất thoả mãn người tiêu dùng". Người chịu trách nhiệm về chất lượng không phải là cán bộ kiểm tra mà chính là những người làm ra sản phẩm, người đứng máy, đội trưởng, khâu giao nhận hàng, cung ứng,.. tuỳ vào...

26p bestcarings_com_vn 15-11-2010 160 51   Download