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Wyszukujesz frazę "low cost" wg kryterium: Wszystkie pola


Wyświetlanie 1-5 z 5
Tytuł:
Low cost alternative fuel from biomass
Autorzy:
Zeru, D.
Gebregergis, H.
Tilahun, M.
Sahu, O.
Powiązania:
https://bibliotekanauki.pl/articles/11526.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:
A major challenge for next decades is development of competitive renewable energy sources, highly needed to compensate fossil fuels reserves and reduce greenhouse gas emissions. Among different possibilities, which are currently under investigation, there is the exploitation of unicellular algae for production of biofuels and biodiesel in particular. Microalgae have the ability of accumulating large amount of lipids within their cells which can be exploited as feedstock for the production of biodiesel. The lipid content of different species of microalgae can range from 30%-70% of their dry weight. In this project a microalgae with lipid content of 60.095% was used. This means that 26gms of oil was obtained from 42gms of microalgae sample from which 17.624gm of biodiesel (FAME) was found at the end of trans-esterification. Algae biofuels avoid some of the previous drawbacks associated with crop-based biofuels as the algae do not compete with food crops. The favorable growing conditions found in many developing countries has led to a great deal of speculation about their potentials for reducing oil imports, stimulating rural economies, and even tackling hunger and poverty. Strong research efforts are however still needed to fulfill this potential and optimize cultivation systems and biomass harvesting.
Źródło:
International Letters of Natural Sciences; 2015, 05
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Low cost implementation of LAN based internet less Industrial system: A system architectural approach
Autorzy:
Ahmed, Sadman Saffaf
Islam, Md. Mashrur
Islam, Anisul
Powiązania:
https://bibliotekanauki.pl/articles/1075605.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Industrial Monitoring System
Internet of Things
LAN
XAMPP
applications
Opis:
Today, savvy matrix, keen homes, brilliant water systems, canny transportation, are framework frameworks that associate our reality more than we at any point thought conceivable. The basic vision of such frameworks is generally connected with one single idea, the Internet of Things (IoT), where using sensors, the whole physical foundation is firmly combined with data and correspondence advances; where clever observing and the board can be accomplished by means of the utilization of organized implanted gadgets. These gadgets will associate with web to share diverse kinds of information. We have proposed an Industrial Monitoring System utilizing XAMPP server and detecting based applications for web of things. In this paper we use detecting gadgets to check diverse parameters like creation tally, brightening force, control utilization, relative mugginess and temperature of room.
Źródło:
World Scientific News; 2019, 122; 255-262
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Utilization and End-Users Acceptability of Compressed Lahar Sediment Blocks as Wall Panel for Low-Cost Housing
Autorzy:
Ganiron Jr, Tomas U.
Ganiron, Tomas Malvecino
Powiązania:
https://bibliotekanauki.pl/articles/1178358.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Concrete blocks
environment-friendly
lahar sediments
low-cost housing
waste materials
Opis:
This research aimed to use lahar sediments from the volcanic eruption in which people would be able to benefit from the construction technology in the form of sediment block was similar to the conventional concrete hollow block. The study focuses on the recognition and acceptance of indigenous material, specifically lahar, as an alternative solution in the reproduction of low-cost housing to lower construction cost and housing backlogs. The study attempts to discover the utilization and end-users acceptability of Compressed Lahar Sediment Blocks (CLSB). This research presented an analysis and determination of the use of compressed lahar sediment blocks as local building material for low-cost housing and its acceptability as an alternative to concrete base materials. It also contemplates a new idea in the development and production of low-cost housing and in support to the government National Shelter Program
Źródło:
World Scientific News; 2017, 77, 2; 177-194
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Development of Solar Astronomy In Malaysia
Autorzy:
Hamidi, Z. S.
Shariff, N. N. M.
Monstein, C.
Powiązania:
https://bibliotekanauki.pl/articles/411541.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
sun
radio emission
solar radio burst
Compound Astronomical Low-cost Low-frequency Instrument for Spectroscopy in Transportable Observatories
CALLISTO
solar flares
Coronal Mass Ejections
CMEs
space Feather
Opis:
Monitoring the Sun reveals a variety of fascinating and complex physical phenomena which are being studied mainly by analyzing its emission. Solar activity has an impact with space weather. The characteristic features of the climate of Malaysia are uniform temperature, very high humidity and copious rainfall. It has an average of temperature of 26.7 ºC. Therefore, it is suitable to monitor the Sun. In following work, we will emphasize the development of solar astronomy in Malaysia. The ground based observation (i) optical and (ii) radio are the main region that we focused on. Optical observation has started earlier comparing with radio observation. In optical region it covers from 400 –700 nm while in radio region, we focus from 45 MHz to 870 MHz. The number of observatories is increasing. A dedicated work to understand the Sun activity in radio region is a part of an initiative of the United Nations together with NASA in order to support developing countries participating in „Western Science‟ research. Realize how important for us to keep doing a research about the solar bursts, by using the new radio spectrometer, CALLISTO (Compound Low Cost Low Frequency Transportable Observatories) spectrometer. Malaysia is one of the earliest country from South-East Asia (ASEAN) that involve this research. One of the advantages to start the solar monitoring in Malaysia is because our strategic location as equator country that makes possible to observing a Sun for 12 hours daily throughout a year. We strongly believe that Malaysia as one of contributor of solar activity data through E-CALLISTO network. This is a very good start for developing a radio astronomy in Malaysia. With the implementation of 45 MHz -870 MHz CALLISTO systems and development of solar burst monitoring network, a new wavelength regime is becoming available for solar radio astronomy. Overall, this article presents an overview of optical and radio astronomy in Malaysia. With the present level of the international collaboration, it is believed that the potential involvement of local and international scientist in solar astrophysics will increase.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 19, 1; 46-55
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Space Weather: The Significance of e-CALLISTO (Malaysia) As One of Contributor of Solar Radio Burst Due To Solar Activity
Autorzy:
Hamidi, Z. S.
Shariff, N. N. M.
Monstein, C.
Ibrahim, Z. A.
Powiązania:
https://bibliotekanauki.pl/articles/411980.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
sun
radio emission
solar radio burst
Compound Astronomical Low-cost Low-frequency Instrument for Spectroscopy in Transportable Observatories (CALLISTO)
solar flares
Coronal Mass Ejections (CMEs)
space weather
Opis:
The impact of solar activities indirectly affected the conditions of earth's climate and space weather in general. In this work, we will highlight a low cost project, however, potentially gives a high impact through a dedicated long-term and one of the most successful space weather project. This research is a part of an initiative of the United Nations together with NASA in order to support developing countries participating in „Western Science‟ research. At the beginning of 2007, the objective to monitor the solar activities (solar flares and Coronal Mass Ejections) within 24 hours all over the world has positively turned to reality. Realize how important for us to keep doing a research about the solar bursts, by using the new radio spectrometer, CALLISTO. This research is not only hoping to give a knowledge to the people about how the solar bursts are produced, the characteristics of every type of solar burst at the wide range (45 MHz to 870 MHz) but also the effect of the solar burst toward the Earth. By using the same CALLISTO spectrometer within the 45-870 MHz, designing and leading by Christian Monstein from ETH Zurich, Switzerland, this research project is the one of successful project under ISWI program. Malaysia becomes the 19th countries that involve this research. One of the advantages to start the solar monitoring in Malaysia is because our strategic location as equator country that makes possible to observing a Sun for 12 hours daily throughout a year. We strongly believe that Malaysia as one of contributor of solar activity data through E-CALLISTO network. This is a very good start for developing a radio astronomy in Malaysia.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 7; 37-44
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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