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Wyświetlanie 1-15 z 35
Tytuł:
Preparation of Face Wash Using Activated Charcoal and Green Tea Extracts
Autorzy:
Kabra, Kavya
Khan, Ismaeel
Anamika, Paul
Malik, Maham
Mehrotra, Sanjni
Giri, Shipra
Powiązania:
https://bibliotekanauki.pl/articles/1159587.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Activated Charcoal
Facewash
Green Tea Extracts
Opis:
Due to the rapid development of urban cities in the recent decades the level of pollution in the air has increased exponentially, demanding the development of new variants of personal care products. Face being most exposed part of the body, comes in contact with pollution very easily making it difficult to maintain a healthy, bright and clear skin. The facial skin is thinner and more fragile as compared to the rest of the body. A cleansing product specially formulated for face should be used in order to retain the moisture and pH balance of skin. Activated charcoal has properties of deep cleaning and adsorbing impurities. This makes it a favourable ingredient for skin care products. Green tea is flooded with powerful antioxidants for treating acne & scars and also helps in anti-aging. This work aims at the preparation of two face washes. The first is prepared using activated charcoal and green tea extract and the second, without using activated charcoal and green tea extracts. The two face washes are then compared to determine their usability. The aim is to prepare a face wash to combat all the skin issues & to achieve a cleansed, moisturised & glowing face by using ingredients which benefit every skin type.
Źródło:
World Scientific News; 2018, 113; 157-163
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of green areas in shaping sustainable development of the city
Autorzy:
Imiołczyk, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/1177348.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Sustainable development
green areas
public space
Opis:
The subject of considerations in the following study is the role of green areas and their impact on the sustainable development of cities. Sustainable development is a concept that gains in importance in the last time. It fulfills a particularly important role in cities, where the level of environmental degradation is high. Green areas are an important element of infrastructure and have a positive impact on the shaping of urban space. The study presents changes in the area of green areas in the city of Częstochowa over the years 2015-2016.
Źródło:
World Scientific News; 2018, 104; 190-201
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Environmental considerations on maritime passenger transport
Autorzy:
Orive, Alberto Camarero
Nicoleta, González-Cancelas
Serrano, Beatriz Molina
Orive, Alfonso Camarero
Powiązania:
https://bibliotekanauki.pl/articles/1031287.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
MARPOL
Maritime passenger transport
green port
Opis:
Maritime passenger transport entails significant risks and threats against the environment. The existing International rules – from the MARPOL 73/78 Convention to the European Regulations and Directives and ISO standards- aim to avoid pollution both in the high seas and in the ports. Concepts such as Green port or Smart port arise from an effort to make better use of the available resources, increasing efficiency, better energy use, use of the information and telecommunications technologies (ICT), and the lowest environmental impact. Furthermore, technics and programmes of energy management have been developed for the same purposes also. This paper reviews the main rules in the matter, as well as the most innovative technologies aiming to improve the shipping performance. All this, together with the investment effort from ports and ships, and the enforcement of a more stringent.
Źródło:
World Scientific News; 2021, 151; 31-44
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Saprobic plankton index as bioindicator determines pollution status in Green Canyon River, Pangandaran, Indonesia
Autorzy:
Prasetyaningsih, Ayustin
Zahidah, Zahidah
Pratama, Rusky Intan
Sahidin, Asep
Powiązania:
https://bibliotekanauki.pl/articles/1046525.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Green Canyon River
Plankton
Saprobic index
Opis:
Rivers generally have pollution potential, which from industrial waste, domestic waste or high human activities, especially in rivers designated as tourist destinations, such as along the Green Canyon River which is used as a research location. The purpose of this research was to determine the level of pollution along the Green Canyon River, Pangandaran. This research focuses on the saprobic index method using plankton as a group composer of saprobic waters which is become a pollution indicator. This research was conducted from September up to November 2018. Sampling was taken at five different stations. The results of this research indicate that the saprobic value of the index along the Green Canyon River, Pangandaran River ranges from 1.0 to 1.5 which indicates that waters are being in very low pollution up to low pollution. The lowest saprobic index value was found at station 4 with the use of the mangrove area and the highest saprobic index value was found at station 2 which was the first brackish point that dominated with forest and far from residential settlements. Identified plankton consists of 8 genera of phytoplankton and 2 genera of zooplankton with abundance until 2495 individual/L. The average of diversity index in range 0.99-1.02 with an average of dominance in range 0.103-0.121.
Źródło:
World Scientific News; 2019, 136; 66-77
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Green chemistry for the preparation of silver nanoparticles using mint leaf leaves extracts and evaluation of their antimicrobial potential
Autorzy:
Aziz, Wisam J.
Jassim, Haneen A.
Powiązania:
https://bibliotekanauki.pl/articles/1112556.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Green synthesis
Mentha (Mint)
Silver Nanoparticles
Opis:
The aim of this study was to develop a green synthesis of silver nanoparticles using mint plant leaves extracts. The fresh suspension of plant extracts was yellowish-green in color. However, after the addition of AgNO3 within 15min, the suspension showed a change in color to dark brown after 5 hours of incubation at room temperature. The formation of silver nanoparticles was confirmed using UV-Vis spectral analysis and revealed silver surface plasmon resonance band to be in a range around 200-500 nm. The XRD pattern showed the characteristic bragg peaks of (111), (200) and (220) planes of the face center cubic (FCC) silver nanoparticles AgNPS. Under scanning electron microscope (SEM), silver nanoparticles with a mean particle size of 26 nm and a spherical shape were most frequently observed. In testing, the synthesized AgNPs colloidal solution showed better antibacterial activity against both Gram-positive and Gram-negative bacterial strains. The diameter of the inhibition zones of AgNPs at 50 µg/ml concentration against bacterial strains such as Bacillus subtilis and Escherichia coli were 25 mm and 20 mm, respectively.
Źródło:
World News of Natural Sciences; 2018, 18, 2; 163-170
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Easy, Simplistic and Green Synthesis of Various Benzimidazole and Benzoxazole Derivatives Using PEG400 as a Green Solvent
Autorzy:
Khunt, M. D.
Kotadiya, V. C.
Viradiya, D. J.
Baria, B. H.
Bhoya, U. C.
Powiązania:
https://bibliotekanauki.pl/articles/411999.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
PEG-400
Benzimidazole
Benzoxazole
Green synthesis
Opis:
An improved environmentally benign procedure for the synthesis of various benzimidazole and benzoxazole derivatives using green solvent PEG400. We have optimized the reaction condition and it was found that PEG400 was believed to be best as compared to PEG200, PEG600 and PEG800 at 80 to 85 °C. This method provides a novel route for the synthesis of benzimidazole and benzoxazole derivatives. The main attractive features of this process are a mild reaction conditions, easy workup procedure and good to excellent yield. The structures of all the synthesized compounds were confirmed by 1H NMR, IR, MASS and Elemental Analysis.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 6; 61-68
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Propagators in quantum mechanics
Autorzy:
Hernández-Galeana, A.
Rivera-Rebolledo, J.
López-Bonilla, J.
López-Vázquez, R.
Powiązania:
https://bibliotekanauki.pl/articles/1177837.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Green’s functions
Propagators in quantum mechanics
Opis:
We consider one-dimensional non-relativistic quantum mechanics to exhibit that the propagators (Green’s functions) for free particle, linear potential and harmonic oscillator, are obtainable from purely classical means.
Źródło:
World Scientific News; 2018, 99; 249-253
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Horticultural therapy in the landscape architecture: Therapeutic garden
Autorzy:
Zawadzińska, Agnieszka
Salachna, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/1068649.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
gardening
green care
healing
horticulture
therapeutic gardens
Opis:
Horticultural therapy uses living plants, their products, and the natural environment to provide evaluation therapy, and rehabilitation within a medical model. It is recommended for people who have emotional, physical, educational, and/or behavioral problems. In recent years, a significant rise of interest in therapeutic gardens in the USA, Canada, Europe and the Pacific region, such as Japan, New Zealand or Australia has been observed. Such gardens are specially designed to contain many solutions important for health care, rehabilitation and other types of therapeutic institutions. This article describes the most important aspects of therapeutic garden.
Źródło:
World Scientific News; 2019, 132; 300-307
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Renewable energy sources today and tomorrow
Autorzy:
Wilas, Janusz
Maśniak, Robert
Daniszewski, Piotr
Jadczak, Paula
Powiązania:
https://bibliotekanauki.pl/articles/1192619.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Renewable Energy Sources
Environment
Sustainability
Green Energy
Opis:
Renewable energy sources (RES) have significant potential to contribute to the economic, social and environmental energy sustainability of small islands. They improve access to energy for most of the population, they also reduce emissions of local and global pollutants and they may create local socioeconomic development opportunities. A majority of the communities around the world rely heavily on oil, natural gas and coal for their energy needs. These fuels draw on lots of resources that will eventually diminish, which in turn makes them too expensive or too environmentally damaging to recover. This review article discusses the advantages and disadvantages of renewable energies; therefore based on the benefits of these energy resources, the use of renewable energies, instead of, fossil fuels will be a good solution for the control of the environmental, social and economical problems of our communities.
Źródło:
World Scientific News; 2016, 60; 103-112
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bio synthesis and characterization of silver nanoparticles using Lagenaria siceraria leaf extract and their antibacterial activity
Autorzy:
Anandh, B.
Muthuvel, A.
Emayavaramban, M.
Powiązania:
https://bibliotekanauki.pl/articles/412277.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
green synthesis
silver nanoparticles
Lagenaria siceraria
antibacteriala activity
Opis:
The present investigation demonstrates the formation of silver nanoparticles by the reduction of the aqueous silver metal ions during exposure to the Lagenaria siceraria leaf extract. The synthesized AgNPs have characterized by UV-visible spectroscopy, X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FT-IR) techniques. AgNPs formation has screened by UV-visible spectroscopy through colour conversion due to surface plasma resonance band at 427 nm. X-ray diffraction (XRD) confirmed that the resulting AgNPs are highly crystalline and the structure is face centered cubic (fcc). FT-IR spectrum indicates the presence of different functional groups present in the biomolecules capping the nanoparticles. Further, inhibitory activity of AgNPs and leaf extract were tested against human pathogens like gram-pastive (Staphylococcus aureus, Bacillus subtilis), gram-negative (Escherichia coli and Pseudomonas aeruginosa). The results indicated that the AgNPs showed moderate inhibitory actions against human pathogens than Lagenaria siceraria leaf extract, demonstrating its antimicrobial value against pathogenic diseases.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 19, 1; 35-45
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Review on Negative Impacts of Livestock Production on Climate Change and Its Mitigation Strategies: A Global Issue
Autorzy:
Bekuma, Amanuel
Tadesse, Tekalign
Galmessa, Ulfina
Powiązania:
https://bibliotekanauki.pl/articles/1076562.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Climate Change
Green House Gases
Livestock
Mitigation Strategies
Opis:
Livestock are reared throughout the world, and are an important agricultural product in virtually every country. This animal production systems and climate change are inter-related via complex mechanisms. Animal production influences climate change by emitting greenhouse gases such as methane and nitrous oxide. It is estimated to be the livestock sector is contributing a significant share of global GHG emissions, accounting for approximately two-thirds of direct agricultural emissions and about 14.5 percent of total human-induced emissions when supply chains are considered. Therefore, globally, there is an urgent need to reduce the greenhouse gas (GHG) emissions that cause climate change by at least 80 per cent in wealthy countries and to protect the biodiversity which underpins food production. Dietary manipulation, ionophores, bacteriocins, covered anaerobic digesters, awareness creation and intensifying research and development are among the applicable methane mitigation strategies. Moreover, research bodies are also organizing to deliver findings at an international level; which focuses on the identification and development of technologies and practices to increase food production without increasing green house gases emissions.
Źródło:
World Scientific News; 2019, 115; 218-228
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Green corrosion inhibitor for mild steel in 2 M HCl solution: Flavonoid extract of Erigeron floribundus
Autorzy:
Abeng, Fidelis Ebunta
Idim, Veronica David
Powiązania:
https://bibliotekanauki.pl/articles/1177856.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Erigeron floribundus
Flavonoid
Green inhibitor
corrosion
mild steel
Opis:
The potential of flavonoid extract of Erigeron floribundus as green inhibitor for the corrosion of mild steel in 2 M HCl solution was studied using gasometric method. The results obtained, indicated that the extract is an adsorption inhibitor for the corrosion of mild steel. The inhibition efficiency of the inhibitor was found to increased with increase in concentration of the inhibitor. From the observed trend for the variation of inhibition efficiency with temperature and the range of value obtained from activation energy (16.16-3.02 KJmol-1), enthalpy (13.5-38.84 KJmol-1), entropy (-22.67 to 88.44 KJmol-1) and free energy (-4.23 to -2.61 KJmol-1), a chemical and physical adsorption mechanism is propose for the adsorption of the inhibitor on the mild steel surface. In addition, the adsorption is endothermic, spontaneous and is best described by Langmuir adsorption isotherm.
Źródło:
World Scientific News; 2018, 98; 89-99
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Influence of Tidal on the Nesting Activity of Green Turtle (Chelonia mydas (Linnaeus, 1758)) at Pangumbahan Beach, Sukabumi Regency, West Java, Indonesia
Autorzy:
Adiluhung, M. Boy
Riyantini, Indah
Sunarto, Sunarto
Faizal, Ibnu
Powiązania:
https://bibliotekanauki.pl/articles/1193344.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Chelonia mydas
Green Turtle
Nesting Activities
Pangumbahan
Tides
Opis:
Green turtles (Chelonia mydas (Linnaeus, 1758)) take advantage of the sand beach area as a stopover and carry out biological activities such as nesting and laying eggs. Pangumbahan Beach is one of the green turtle conservation places which is directly adjacent to the Indian Ocean. Tides affect physical processes such as the flushing of seawater on to the coast due to waves and flushing of water masses in estuaries, lagoons, and bays. This research aims to determine the effect of tides on the Green Turtle's nesting activity (Chelonia mydas). This research was conducted in July-September 2020, using observation and survey methods, and was analyzed descriptively. The data used include beach width, beach slope, tidal data, and landing data for Green Turtle (Chelonia mydas). A type of beach with a slope of 1.77° - 5.77° with an overall average of 3.4°, the Formzahl number value obtained at tide is 0.55, indicating the mixed type tidal type tends to double daily (Mixed, predominantly semi-diurnal tide). The results of this study indicate that the landing times and the formation of green turtle nests (Chelonia mydas) do not correlate with rising tides. The average effect of tides on green turtle egg-nesting activity (Chelonia mydas) was 0.111%, while the tidal effect on green turtle nesting activity (Chelonia mydas) was 4.09%. The highest frequency of Green Turtle (Chelonia mydas) nesting activity occurred between 22:00 and 02:00.
Źródło:
World Scientific News; 2021, 154; 48-65
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Utilization of activated carbon of various charcoal types as absorbent in green shellfish (Perna viridis, Linnaeus, 1758) contaminated by lead heavy metal
Autorzy:
Yustindriarini, Vidya
Hasan, Zahidah
Hamdani, Herman
Sahidin, Asep
Powiązania:
https://bibliotekanauki.pl/articles/1076152.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Activated Carbon
Green Shell
Lead
Perna viridis
Skeletonema
Opis:
Aims of the research are to determine the type of activated carbon with high absorption rate in absorbing heavy metals of lead in green shells. This research used experimental method with complete randomized design then analyzed used analysis of variance and duncan test to see the decrease of lead in green shells by using different charcoal filters. The results showed that the highest decrease in green shell was by using coconut shell activated filter are 0,28 with a decrease percentage of 36,51%. The best lead decrease in water maintenance coconut shell activated filter treatment are 0,33 ppm. The coconut shell activated charcoal has a low ash content compared to other types and large pore charcoal size. Factors that supporting the metal absorption by charcoal include ash content on charcoal, charcoal pores, carbon concentration and pH concentration. Water quality measurements were measured in the morning and evening as supporting parameters in the study. Water quality measurements are in a range that can still be tolerated by green shells. Based on these results it can be concluded that the use of coconut shell activated charcoal is the best type of charcoal in lowering lead in green shells.
Źródło:
World Scientific News; 2019, 116; 157-168
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Theoretical study of ferroelectric triglycine sulphate (TGS) crystal in external electric fields
Autorzy:
Upadhyay, T. Ch.
Nautiyal, A.
Powiązania:
https://bibliotekanauki.pl/articles/412113.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
ferroelectric
Green's functions
anharmonic
dielectric constant
loss tangent
coustic attenuation
Opis:
A modified two sub-lattice pseudospin-lattice coupled mode model of Mitsui et al [Phys. Rev., 111 (1958) 1259] by adding third, fourth order phonon anharmonic interaction and external electric field terms has been applied to ferroelectric triglycine sulphate crystal. Electric field dependence of ferroelectric, dielectric and acoustical properties has been studied. With the help of double time temperature dependent Green’s function method, expressions for shift, width, soft mode frequency, dielectric constant, loss tangent and acoustic attenuation have been derived. Numerically calculations have been made and results have been compared with experimental data reported by Bye et al [Ferroelectrics 4 (1974) 243] and Shreekumar et al [Ferroelectrics 160 (1994) 23] for TGS crystal and a good agreement has been observed.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 6; 54-65
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 35

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