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Tytuł:
Analysis of sodium tripolyphosphate production processes with a cumulative calculation method
Autorzy:
Kowalski, Z.
Kijkowska, R.
Gorazda, K.
Wzorek, Z.
Nowak, A. K.
Powiązania:
https://bibliotekanauki.pl/articles/778020.pdf
Data publikacji:
2010
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
polifosforan sodu
kalkulacja łączna
analiza ekologiczna
sodium tripolyphosphate
cumulative calculation
ecological analysis
Opis:
Sodium tripolyphosphate – one of the condensed phosphates is an important ingredient in various types of cleaning substances and a food additive. The paper presents a comparison of different variants of STPP production with the application of the cumulative calculation method. The material balances of the processes were taken as the basis of the analysis. The method of the process analysis as shown in the cumulative calculation determines the influence of the emissions of dust and gas pollutions originating from a particular production process, as well as wastewater and solid wastes resulting from it, upon the natural environment. It was proved that the solution of the production STPP with the dry one-step method has the lowest impact on the environment among the three assessed solutions.
Źródło:
Polish Journal of Chemical Technology; 2010, 12, 4; 22-25
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphometrical and ecological analysis of nematodes of the family Capillariidae (Neveu-Lemaire, 1936) in wild ducks (Anatinae) from the north-western Poland
Autorzy:
Stapf, A.N.
Kavetska, K.M.
Ptak, P.P.
Rzad, I.
Powiązania:
https://bibliotekanauki.pl/articles/5708.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
morphometric analysis
ecological analysis
nematode
Capillariidae
Capillaria anatis
Eucoleus contortus
Pseudocapillaria mergi
wild duck
Anatinae
ecology
Polska
Źródło:
Annals of Parasitology; 2013, 59, 4
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heavy metals in municipal sewage sludge – a brief characteristic of potential threats and methods used to assess the ecological risk
Autorzy:
Tytła, M.
Widziewicz-Rzońca, K.
Powiązania:
https://bibliotekanauki.pl/articles/2049669.pdf
Data publikacji:
2021
Wydawca:
Fundacja na Rzecz Młodych Naukowców
Tematy:
sewage sludge
heavy metals
ecological risk analysis
sequential extraction
threats
Opis:
Population growth and increasing effectiveness of biological wastewater treatment processes are reasons for a systematic increase in the amount of municipal sewage sludge. Beyond the soil forming values and fertilizer properties, sludge is highly enriched with heavy metals, including these particularly toxic to the environment (Cd, Cr, Cu, Ni, Pb, Zn, Hg), which contributes to an increase in the level of ecological risk. A variety of methods (indices) have been proposed in order to assess the ecological risk of heavy metals in sewage sludge. Among them we can distinguish the total content and speciation indices. It is important to remember that total concentration of heavy metals in sewage sludge does not provide complete information about the level of ecological risk that these elements pose to the environment and living organisms, including humans. Metals bound to the sludge structure may undergo transformation while being subjected to the processes conducted in the wastewater treatment plants (WWTPs). Therefore, it is necessary to determine also their chemical forms. The common method used to identify the chemical fractions of metals in sludge, is the three – step sequential extraction by the Community Bureau of Reference procedure (BCR; now Standards, Measurements and Testing Programme).
Źródło:
Environment, Earth and Ecology; 2021, 5, 1; 18-25
2543-9774
2451-4225
Pojawia się w:
Environment, Earth and Ecology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Life cycle assessment analysis of supercritical coal power units
Autorzy:
Ziębik, A.
Hoinka, K.
Liszka, M.
Powiązania:
https://bibliotekanauki.pl/articles/240919.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
CCS
dopalanie
LCA
ocena ekologiczna
spalanie tlenu
zużycie energii
cumulative energy consumption
ecological analysis
oxy-combustion
post-combustion
Opis:
This paper presents the Life Cycle Assessment (LCA) analysis concerning the selected options of supercritical coal power units. The investigation covers a pulverized power unit without a CCS (Carbon Capture and Storage) installation, a pulverized unit with a "post-combustion" installation (MEA type) and a pulverized power unit working in the "oxy-combustion" mode. For each variant the net electric power amounts to 600 MW. The energy component of the LCA analysis has been determined. It describes the depletion of non-renewable natural resources. The energy component is determined by the coefficient of cumulative energy consumption in the life cycle. For the calculation of the ecological component of the LCA analysis the cumulative CO2 emission has been applied. At present it is the basic emission factor for the LCA analysis of power plants. The work also presents the sensitivity analysis of calculated energy and ecological factors.
Źródło:
Archives of Thermodynamics; 2010, 31, 3; 115-130
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Connecting sustainability initiatives with efficiency measures: an opportunity for business schools
Autorzy:
Lambrechts, Wim
Van Liedekerke, Luc
Rymenams, Sara
Powiązania:
https://bibliotekanauki.pl/articles/1367990.pdf
Data publikacji:
2015
Wydawca:
Wyższa Szkoła Bankowa we Wrocławiu
Tematy:
AISHE
business school
ecological footprint analysis
efficiency measures
higher education
PRME
sustainability
Opis:
One of the essential parts within the transition towards sustainable economies, is the way how higher education prepares its students for their future role in business. In order for them to contribute to corporate social responsibility within the enterprise context, they need specific skills and competences related to sustainable development. Derived from the societal role of business schools in preparing the future business leaders and entrepreneurs, the focus of this paper is the contribution of business schools to sustainability integration. The topic could be wider situated within the context of higher education for sustainable development, which aims at integrating competences for sustainable development into the curriculum, and integrating sustainability measures within campus operations, research and societal role. This reflective article looks at a business school context as a case for institutional efficiency measures. It describes how business schools could implement efficiency measures and apply instruments within their own context, looking at the campus as a ‘living laboratory’ for sustainability innovation. Three tools and instruments to foster sustainability integration on campus, its benefits and possible problems are described: Assessment Instrument for Sustainability in Higher Education; Ecological Footprint Analysis; and Principles for Responsible Management Education. It builds upon the data and results from several action research projects within two Belgian business schools. As a conclusion, the article reflects upon the essential characteristics of these initiatives, as a way to connect sustainability initiatives to efficiency measures. This may be an opportunity for business schools, not yet used to its full potential yet.
Źródło:
Central and Eastern European Journal of Management and Economics (CEEJME); 2015, 2; 161-173
2353-9119
Pojawia się w:
Central and Eastern European Journal of Management and Economics (CEEJME)
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ecological analysis of fishing in estuary lakes, Gardno and Wicko, in the years 1952-1991
Autorzy:
Orzechowski, B.
Powiązania:
https://bibliotekanauki.pl/articles/85183.pdf
Data publikacji:
1997
Wydawca:
Akademia Pomorska w Słupsku
Tematy:
ecological analysis
fishing
Lake Gardno
Lake Wicko
estuarine lake
catchment area
mass dominance
pike perch
Stizostedion lucioperca
spawning time
Źródło:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 1997, 01
1643-0115
Pojawia się w:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An environmental aspects of various types of heat sources in a single-family house
Aspekty środowiskowe różnych rodzajów źródeł ciepła w domku jednorodzinnym
Autorzy:
Gużda, Arkadiusz
Szmolke, Norbert
Powiązania:
https://bibliotekanauki.pl/articles/434986.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Opolski
Tematy:
ustainability growth
ecological analysis
heat source for a detached house
environmental aspects
zrównoważony rozwój
analiza ekologiczna
źródło ciepła dla domu jednorodzinnego
aspekty środowiskowe
Opis:
The article evaluates various types of heat source used for heating and ventilation in a typical singlefamily house. Additionally, the paper presents the ecological analysis of the proposed solutions according to The National Centre for Emissions Management (KOBiZE) standards. The analysis was carried out for commonly used heating systems such as a gas boiler with closed combustion chamber, an air-source heat pump (ASHP), a ground source heat pump (GSHP), a coal fired boiler and a wood fired boiler. Moreover, the paper describes the energy performance and energy balance of a typical single-family house. Ultimately, the ecological choice of heating system was presented.
W artykule przeprowadzono analizę emisji zanieczyszczeń przez różne rodzaje źródeł ciepła, wykorzystywanych do ogrzewania i wentylacji dla typowego domku jednorodzinnego. W pracy analiza emisji proponowanych rozwiązań została przeprowadzona zgodnie z standardami Krajowego Ośrodka Bilansowania i Zarządzania Emisjami (KOBiZE). Analizę wykonano dla najczęściej używanych systemów grzewczych w budownictwie mieszkaniowym jednorodzinnym: kotła gazowego z zamknięta komorą spalania, powietrznej i gruntowej pompy ciepła, kotła wodnego opalanego węglem oraz kotła wodnego opalanego drewnem. Ponadto przedstawiono charakterystykę i bilans energetyczny typowego domku jednorodzinnego. Ostatecznie zaproponowano najbardziej ekologiczne rozwiązanie systemu grzewczego dla typowego domku jednorodzinnego.
Źródło:
Economic and Environmental Studies; 2016, 16, 3(39); 349-364
1642-2597
2081-8319
Pojawia się w:
Economic and Environmental Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Segmentation of e-customers in terms of sustainable last-mile delivery
Autorzy:
Kiba-Janiak, Maja
Cheba, Katarzyna
Mucowska, Magdalena
de Oliveira, Leise Kelli
Powiązania:
https://bibliotekanauki.pl/articles/19322656.pdf
Data publikacji:
2022
Wydawca:
Instytut Badań Gospodarczych
Tematy:
e-commerce
conjoint analysis
sustainability
sustainable logistics
ecological awareness
Opis:
Research background: A rapidly developing e-commerce market and growing customer expectations regarding the speed and frequency of deliveries have made the last mile of the supply chain more challenging. The expectations of e-customers increase every year. They choose those companies that deliver goods faster and cheaper than others. A significant group of customers in Poland still selects home delivery. Many of them frequently return products to the retailer. These expectations and behaviour pose a challenge for the transport companies to deliver parcels to individual customers soon after the purchase, sometimes even on the same day. In addition, increasingly frequent deliveries contribute to environmental pollution, congestion, and accidents, as well as more expensive deliveries. Purpose of the article: The paper aims to identify e-customers' preferences and assess their impact on sustainable last-mile delivery (LMD) in the e-commerce market. The authors have also identified factors influencing e-customers' behaviour to make last-mile delivery more sustainable. Methods: The conjoint analysis was applied to evaluate a set of profiles defined by selected attributes in order to investigate the overall preferences for the profiles created by the respondents to the survey. Findings & value added: The segmentation of e-customers according to their preferences connected with last-mile delivery was presented. The added value of the paper is the presentation of the methodology to assess the impact of customer preferences on sustainable last-mile delivery. The obtained results may contribute to the formulation of recommendations for e-commerce and logistics companies regarding the preferences of e-customers to improve the sustainability of last-mile delivery.
Źródło:
Oeconomia Copernicana; 2022, 13, 4; 1117-1142
2083-1277
Pojawia się w:
Oeconomia Copernicana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy efficiency – selected thermo-ecological problems
Autorzy:
Ziębik, Andrzej
Stanek, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/239928.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
energy efficiency
system analysis
exergy
thermo-ecology
energy ecological
efficiency
Opis:
The paper is devoted to some problems connected with last modification of EU directive on energy efficiency, viz.: free choice of the measure concerning the improvement of energy efficiency, i.e. final or primary energy consumption, corresponding energy savings or energy-consumption index; however without cumulative consumption or cumulative savings of primary energy. In EU directive it has been stressed the importance of measurements systems (reliable measurement information); but has not been recommended any advanced validation of measurements results, nor energy auditing or algorithms of calculating the energy savings due to improvement of energy efficiency concerning large industrial plants. Evaluation of complex buildings should be realized by means of the system method (input-output analysis). The separate problem is devoted to application of thermo-ecological approach in the analysis of complete results of improving the energy efficiency. Human activity is connected with the depletion of nonrenewable resources, including primary energy, due to not only production of consumer goods but also the necessity of compensating the unfavourable effects of harmful emissions from energy-technological processes. Therefore the index of energy-ecological efficiency has been proposed as the most competent evaluation of improvement energy efficiency of production processes and systems.
Źródło:
Archives of Thermodynamics; 2020, 41, 2; 277-299
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The soil aggregate structure as a marker of the ecological niche of the micromollusc Vallonia pulchel
Autorzy:
Umerova, Ava
Zhukov, Olexander
Yorkina, Nadezhda
Powiązania:
https://bibliotekanauki.pl/articles/2073730.pdf
Data publikacji:
2022
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
ecological niche
geostatic analysis
habitat
Matérn model
phytoindication
soil mechanical impedance
Opis:
The article discusses the role of the soil aggregate structure in quantifying the marginality and specialisation axes of the ecological niche of the micromollusc Vallonia pulchella (Muller 1774) that inhabits technosols. The experimental polygon consisted of 105 samples located within 7 transects (15 samples each). The distance between rows of sampling points was 3 m. The average density of V. pulchella was 1393 ind.∙m-2. The soil aggregate fraction of 1–5 mm was found to be predominant within the technosol. The spatial variation of aggregate fractions was characterised by a moderate level of the spatial dependence. It was impossible to choose an adequate covariance model from among the traditional ones to interpolate the spatial variation of aggregate fractions, and only the Matérn model was best suited. The axis of marginality and specialisation of the V. pulchella ecological niche projected in soil aggregate fractions was significantly different from a random alternative. The ecological niche of the V. pulchella was presented by integral variables, such as the axis of marginality and specialisation, which were the basis to build a map of the spatial variation of the habitat suitability index. The marginality of the V. pulchella ecological niche correlates with soil penetration resistance indicators at depths ranging from 0–5 to 20–25 cm, soil humidity, acidity, and aeration. The specialisation correlates with the soil mechanical impedance at 25–35 cm, nitrogen content, and the soil acidity regime.
Źródło:
Journal of Water and Land Development; 2022, 52; 66--74
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of competitiveness of confectionery enterprises for the needs of ecological management
Autorzy:
Kupalova, Halyna Ivanivna
Artyukh, Tatyana Mikolaivna
Bukharina, Liudmyla Mykhailivna
Goncharenkо, Nataliia Volodimirivna
Demіanenko, Kateryna Anatoliivna
Powiązania:
https://bibliotekanauki.pl/articles/2175868.pdf
Data publikacji:
2022
Wydawca:
STE GROUP
Tematy:
ecological management
analysis
competitiveness
confectionery industry
information support
environmentally responsible business
Opis:
The article deals of assessing the competitiveness of enterprises in the confectionery industry to improve information and analytical support of ecological management. A unified methodology for assessing the competitive-ness of business entities in the context of ecological management has not yet been developed. The article proposes to assess the competitiveness of confectionery enterprises on the basis of an integral index. Its peculiarity is that, in addition to economic production, market characteristics, it also includes environmental ones, which reflect significant environmental aspects (air emissions and the formation of hazardous waste). Calculations were made and the results of the study were tested on the basis of the leading confectionery enterprises of Ukraine. This made it possible to identify among the studied set of enterprises leaders who improved economic results and strengthened their market positions by reducing anthropogenic impact on the environment, introducing ecological management and corporate social responsibility. Taking into account their successful experience will contrib-ute to the improvement of the ecological management system at other enterprises of the confectionery industry.
Źródło:
Management Systems in Production Engineering; 2022, 1 (30); 27--37
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The use of cluster analysis in assessing the sustainability of organic farms. Part 1. Methodical considerations
Wykorzystanie analizy skupień w ocenie zrównoważenia gospodarstw ekologicznych. Cz. 1. Aspekty metodyczne
Autorzy:
Sporysz, Maciej
Szczuka, Maria
Tabor, Sylwester
Molenda, Krzysztof
Kuboń, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/93955.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Rolniczej
Tematy:
cluster analysis
sustainable farm
ecological farm
analiza skupień
gospodarstwo zrównoważone
gospodarstwo ekologiczne
Opis:
The modern agriculture model is a model based on the principles of sustainable development, i.e. protecting the environment and the cultural landscape on the one hand, and on the other, ensuring adequate income for residents. It is based on three orders: ecological, social and economic. This paper attempts to use cluster analysis to assess the economic and ecological sustainability of organic farms. It also indicates the factors that statistically influenced the assessment of a farm as sustainable, or not. The first part of the work is dedicated to the characteristics of the problem and the methodology of research and analysis. The second part contains the results of the research and discusses them.
Nowoczesny model rolnictwa, to model oparty na zasadach zrównoważonego rozwoju, tzn. chroniący środowisko i krajobraz kulturowy z jednej strony, a jednocześnie zapewniający odpowiednie dochody mieszkańcom. Oparty jest na trzech ładach: ekologicznym, społecznym i ekonomicznym. W pracy podjęto próbę wykorzystania analizy skupień do oceny zrównoważenia ekonomicznego i ekologicznego gospodarstw ekologicznych. Wskazano czynniki, które statystycznie wpływały na decyzję o tym, które gospodarstwo należy uznać za zrównoważone, a które nie. Część pierwsza pracy poświęcona została charakterystyce problemu i metodyce badań i analiz. Część drugą to wyniki badań i ich omówienie.
Źródło:
Agricultural Engineering; 2019, 23, 4; 69-76
2083-1587
Pojawia się w:
Agricultural Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Target financing effect on the ecological situation in Latvia
Autorzy:
Grishin, S.
Schiptsov, O.
Powiązania:
https://bibliotekanauki.pl/articles/312661.pdf
Data publikacji:
2010
Wydawca:
Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:
ekologia
statystyki ekologiczne Łotwy
analiza statystyczna
ecology
ecological statistics of Latvia
analysis of statistics
Opis:
Ecological problem is a challenge to the mankind. Each country must solve it and serious financial support is required for its solution. This paper contains the statistical data of the ecological problem budgeting and of the harmful substance emission volume in Latvia. Over the period of ten years the dynamics of influence of financing the ecological situation in Latvia has been established. Based on the Latvian ecological statistical data, sample correlation and flexibility coefficients are computed and the regression level is determined. Due to the absence of the data about the transport streams influence, the given statistical data about the ecological situation in Latvia is not complete.
Źródło:
Autobusy : technika, eksploatacja, systemy transportowe; 2010, 11, 6
1509-5878
2450-7725
Pojawia się w:
Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of habitat conditions using Self-Organizing Feature Maps for reintroduction/introduction of Aldrovanda vesiculosa L. in Poland
Autorzy:
Kosiba, P.
Mroz, L.
Kaminski, R.
Powiązania:
https://bibliotekanauki.pl/articles/59210.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
assessment
habitat condition
Self-Organising Feature Map
reintroduction
introduction
Aldrovanda vesiculosa
Polska
ecological modelling
ecological restoration
plant species
water site
rare plant
statistical parameter
cluster analysis
topological map
Opis:
The study objects were Aldrovanda vesiculosa L., an endangered species and fifty five water sites in Poland. The aim of the present work was to test the Self-Organizing Feature Map in order to examine and predict water properties and type of trophicity for restoration of the rare plant. Descriptive statistical parameters have been calculated, analysis of variance and cluster analysis were carried out and SOFM model has been constructed for analysed sites. The results of SOFM model and cluster analysis were compared. The study revealed that the ordination of individuals and groups of neurons in topological map of sites are similar in relation to dendrogram of cluster analysis, but not identical. The constructed SOFM model is related with significantly different contents of chemical water properties and type of trophicity. It appeared that sites with A. vesiculosa are predominantly distrophic and eutrophic waters shifted to distrophicity. The elevated model showed the sites with chemical properties favourable for restoration the species. Determined was the range of ecological tolerance of the species in relation to habitat conditions as stenotopic or relatively stenotopic in respect of the earlier accepted eutrophic status. The SOFM appeared to be a useful technique for ordination of ecological data and provides a novel framework for the discovery and forecasting of ecosystem properties constituting a validation of the SOFM method in this type of studies.
Źródło:
Acta Societatis Botanicorum Poloniae; 2011, 80, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variety of song characteristics of the Common Rosefinch Erythrina erythrina in the Kostrzyn Valley in 2015
Zróżnicowanie śpiewów dziwonii Erythrina erythrina w Dolinie Kostrzynia w 2015 roku
Autorzy:
Parapura, A.
Powiązania:
https://bibliotekanauki.pl/articles/32710.pdf
Data publikacji:
2018
Wydawca:
Mazowiecko-Świętokrzyskie Towarzystwo Ornitologiczne
Tematy:
bird
bird song
song analysis
variety
Common Rosefinch
Erythrina erythrina
Kostrzyn Valley area
European Ecological Network Natura 2000
Źródło:
Kulon; 2018, 23
1427-3098
Pojawia się w:
Kulon
Dostawca treści:
Biblioteka Nauki
Artykuł
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