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    Wyświetlanie 1-9 z 9
    Tytuł:
    Wplyw warunkow przechowywania na wlasciwosci mechaniczne ciastek biszkoptowych
    Autorzy:
    Marzec, A
    Lenart, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/828090.pdf
    Data publikacji:
    1999
    Wydawca:
    Polskie Towarzystwo Technologów Żywności
    Tematy:
    wlasciwosci mechaniczne
    czas przechowywania
    przechowywanie
    zywnosc
    aktywnosc wody
    ciastka biszkoptowe
    wilgotnosc wzgledna
    mechanical property
    storage time
    storage
    water activity
    sponge cake
    relative humidity
    Opis:
    Celem pracy było określenie stabilności właściwości mechanicznych ciastek biszkoptowych w czasie przechowywania. Wykazano zmiany odporności ciastek biszkoptowych na działanie siły ściskającej w zależności od wilgotności względnej środowiska i czasu przechowywania. Stwierdzono znaczące zmiany właściwości mechanicznych ciastek przy niewielkich zmianach ich aktywności wody.
    The aim of this work was determination of mechanical properties of sponge-cakes during storage. It was found that environmental water activity as well as storage time have significant influence on resistance to compressive force. It was showed that essential changes of sponge-cake mechanical properties appeared parallely with small changes of their water activity.
    Źródło:
    Żywność Nauka Technologia Jakość; 1999, 06, 3; 89-97
    1425-6959
    Pojawia się w:
    Żywność Nauka Technologia Jakość
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Relative quantification of CYP1A gene expression in whitefish (Coregonus lavaretus) exposed to benzo[a]pyrene
    Autorzy:
    Brzuzan, P.
    Jurczyk, Ł.
    Łuczyński, M. K.
    Góra, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/363188.pdf
    Data publikacji:
    2005
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie
    Tematy:
    ekspresja genu CYP1A
    sieja
    benzo(a)piren
    real-time PCR
    benzo(a)pyrene
    Coregonus lavaretus
    CYP1A gene expression
    RealTime PCR
    relative quantification
    Opis:
    The expression of CYP1A (cytochrome P4501A) can be induced by a number of aromatic compounds in teleost fishes. We developed a real-time PCR assay for measuring relative quantities (RQ) of CYP1A mRNA in whitefish (Coregonus lavaretus). To test for the usefulness of the assay we performed a treatment study, using benzo[a]pyrene (B[a]P) a model CYP1A inducer. Primers for the CYP1A gene were adapted from the literature, whereas those for [beta]-actin (endogenous control) were designed from a region that was found to be conserved among salmonid [beta]-actin genes. A group of hatchery raised whitefish, with an average body mass of 15 g and total length of 12 cm were given an intraperitoneal injection (10 mg/kg) of B[a]P in corn oil (2 mg B[a]P/ml corn oil) or corn oil alone (Control). After 48 h, whitefish liver, head kidney and brains were collected for mRNA isolation and analysis. In all three tissues sampled, CYP1A mRNA was affected by treatment with B[a]P. Head kidney tissue showed the greatest induction potential (RQ=11.00) from base levels (RQ=1.00), followed by liver (RQ=9.45), and brain (RQ=3.76). These results demonstrated that CYP1A was highly inducible by B[a]P in whitefish head kidney and liver, and to some extent, in brain tissue. The approach presented here has the advantage of providing rapid and accurate measures of CYP1A induction in various tissues of fish responding to PAH contaminant exposure.
    Źródło:
    Environmental Biotechnology; 2005, 1, 1; 11-15
    1734-4964
    Pojawia się w:
    Environmental Biotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Czas w tekście urzędowym
    Autorzy:
    MALINOWSKA, EWA
    Powiązania:
    https://bibliotekanauki.pl/articles/957662.pdf
    Data publikacji:
    2007
    Wydawca:
    Uniwersytet Opolski
    Tematy:
    legal text
    office text
    absolute time
    relative time
    deixis
    Opis:
    In the office world time runs in a different way than in the world. of colloquial expe- rience. Untargeted texts (legał texts) project futurę events; therefore a considerable num- ber of office utterances is formed in a futurę tense. In legał utterances there is actually only a relative time i.e. as far as time is concemed, an event may be presented only in re- ference to a different event and time period between them, and not through a datę (an ab- solute time moment). The absolute time appears only in the regulations determining the datę when a given legał act comes into force.On the other hand, in office letters, the absolute time (the calendar time) dominates, which is connected with a documenting function of these texts. Time dating is connected with factography and further proceedings. Time deixis is expressed in the form of nume- rals indicating a day, a month and a year, or in the form of adverbs (e.g. immediately, promptly etc.)
    Źródło:
    Stylistyka; 2007, 16; 331-339
    1230-2287
    2545-1669
    Pojawia się w:
    Stylistyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wykorzystanie szeregów czasowych do oceny różnic wartości niedosytu i wilgotności względnej powietrza mierzonych dwiema metodami
    Using time series to assess the differences in saturation deficit and relative and humidity measured by two methods
    Autorzy:
    Kajewska, J.
    Rojek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/339406.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    metoda klasyczna
    niedosyt wilgotności powietrza
    stacja automatyczna
    szeregi czasowe
    wilgotność względna powietrza
    automatic station
    relative air humidity
    saturation deficit
    standard method
    time series
    Opis:
    W pracy porównano wyniki pomiarów warunków wilgotnościowych powietrza wykonywanych dwiema metodami na terenie Obserwatorium UP Wrocław-Swojec w okresie 10-letnim (2000-2009). Analizowano dobowe wartości niedosytu wilgotności d i wilgotności względnej powietrza f. Pomiary klasyczne (standardowe) wykonywano za pomocą psychrometru Augusta, umieszczonego w klatce meteorologicznej na wysokości 2 m nad powierzchnią terenu. Średnią dobową obliczano na podstawie trzech pomiarów terminowych (godz.: 7, 13 i 19 CET) dla niedosytu wilgotności powietrza i czterech pomiarów (godz.: 1, 7, 13 i 19 CET) dla wilgotności względnej powietrza; wartości z godziny 1 odczytywano z termohigrogramu dobowego. Automatyczna stacja meteorologiczna Campbell CR23X, której czujnik wilgotności powietrza umieszczono w tej samej klatce meteorologicznej, była zaprogramowana na zapisywanie raportów godzinnych. Średnie dobowe wartości obu parametrów były średnią arytmetyczną z 24 wartości godzinnych. Analizy autokorelacji i autokorelacji cząstkowej potwierdziły występowanie rocznej sezonowości badanych parametrów. Dekompozycję szeregów czasowych przeprowadzono za pomocą modelu addytywnego. Wyizolowano składnik sezonowy, trend, wahania długookresowe oraz składnik losowy. Wskaźnik sezonowości dla wilgotności względnej wahał się od -4% (zima) do 6% (okres letni), natomiast dla niedosytu wilgotności zawierał się w przedziale od -1,5 hPa w zimie do 4,0 hPa w lecie. Sezonowość różnic dobowych wartości f i d wyrażała się wzrostem ich wartości bezwzględnych w okresie letnim dla obu analizowanych parametrów. Korekta wartości uzyskanych za pomocą stacji automatycznej z wykorzystaniem odpowiednich poprawek, spowodowała wyraźny wzrost częstości różnic w przedziałach środkowych.
    The study presents the results of a comparison between air humidity conditions measured with two methods in Wroclaw–Swojec Observatory during the 10-year period (2000-2009). Daily values of saturation deficit (d) and relative air humidity (f) have been analyzed. Standard measurements were conducted using August psychrometer placed in a meteorological screen, 2 m above the ground surface. Mean daily values were calculated based on three terminal measurements (7, 13 and 19 GMT) for saturation deficit, and four measurements (1, 7, 13 and 19 GMT) for relative air humidity, the 1 a.m. values were read from the daily thermohigrograph. Automatic weather station Campbell CR23X with humidity sensor placed in the same meteorological screen was programmed to store hourly reports. Automatic daily averages of both humidity parameters were the arithmetic means of the 24-hour values. Analysis of autocorrelation and partial autocorrelation confirmed the annual seasonality of analyzed parameters. The decomposition of time series was carried out using an additive model. Seasonal component, trend, long-term fluctuation and irregular component were isolated. Seasonal index for relative humidity ranged from -4% (winter) to 6% (summer), while that for saturation deficit ranged from -1.5 hPa in winter to 4.0 hPa in summer. The seasonality of differences between daily values manifested itself by an increase of their absolute values in the summer for both analyzed parameters. Appropriate corrections of the values obtained from automatic measurements resulted in a marked increase in the frequency of differences in central classes.
    Źródło:
    Woda-Środowisko-Obszary Wiejskie; 2011, 11, 4; 137-148
    1642-8145
    Pojawia się w:
    Woda-Środowisko-Obszary Wiejskie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Time performance of RGB to HSI colour space transformation methods
    Autorzy:
    Ziemba, A.
    Fornalik-Wajs, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/240294.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    digital image processing
    optical measurement method
    RGB to HSI colour space transformation
    linear transformation
    time performance
    relative computational time
    przetwarzanie
    obraz cyfrowy
    przekształcenia liniowe
    czas
    wydajność
    Opis:
    Present paper is a continuation of works on evaluation of red, green, blue (RGB) to hue, saturation, intensity (HSI) colour space transformation in regard to digital image processing application in optical measurements methods. HSI colour space seems to be the most suitable domain for engineering applications due to its immunity to non-uniform lightning. Previous stages referred to the analysis of various RGB to HSI colour space transformations equivalence and programming platform configuration influence on the algorithms execution. The main purpose of this step is to understand the influence of computer processor architecture on the computing time, since analysis of images requires considerable computer resources. The technical development of computer components is very fast and selection of particular processor architecture can be an advantage for fastening the image analysis and then the measurements results. In this paper the colour space transformation algorithms, their complexity and execution time are discussed. The most common algorithms were compared with the authors own one. Computing time was considered as the main criterion taking into account a technical advancement of two computer processor architectures. It was shown that proposed algorithm was characterized by shorter execution time than in reported previously results.
    Źródło:
    Archives of Thermodynamics; 2018, 39, 1; 111-128
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Growth Rate of Water Hyacinth (Eichhornia crassipes (Mart.) Solms) in Rawapening Lake, Central Java
    Autorzy:
    Prasetyo, Syarif
    Anggoro, Sutrisno
    Soeprobowati, Tri Retnaningsih
    Powiązania:
    https://bibliotekanauki.pl/articles/1838296.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    Rawapening
    Eichhornia crassipes
    mesocosm
    relative growth rate
    doubling time
    Opis:
    Rawapening Lake is one of Indonesia’s national priority lakes that is experiencing environmental problems which are urgently required to be solved due to its functions. The decline in the environmental quality of Rawapening Lake includes sedimentation, water pollution and excess of nutrients, especially Phosphorus (P) and Nitrogen (N) into the lake that induced uncontrolled growth of aquatic plants, one of which is water hyacinth (Eichhornia crassipes (Mart.) Solms). Many activities had been done to reduce the covering of water hyacinth in Rawapening Lake that tends to increase by the time, but no significant result has been achieved. Therefore, this research was conducted in order to study the growth rate of water hyacinth with mesocosm in Rawapening Lake as a baseline to develop suitable management. There were three different sites, namely: Site I in the floating net cage area (FNCA), Rowoboni Village, Site II in the natural area of Bejalen Village which is far from the aquaculture sites, and Site III in the upper reaches of the Tuntang river, Asinan Village. The research was performed in November-December 2019 with the measurements of growth rate, addition number clump and water hyacinth covering every week. The experiment was conducted in the 1 x 1 meter mesocosm, with three replication in every site. In every mesocosm water hyacinth with similar initial weight of 160 grams and number of leaves 6-7 strands were grown in the mesocosm. On day 7 (H7) the average wet weight of water hyacinth increased by 201%. In the fourth week (H28) the average wet weight of water hyacinth increased by 788% compared to the initial weight when planted. The highest relative growth rate (RGR) value of water hyacinth was at site III (7.26%/ day), followed by Site I (7.03%/day), and Site II (6.40%/day), respectively. The doubling time (DT) value of water hyacinth at the site I was 9.9 day, site II – 10.8 day, and site III – 9.6 day. One clump of water hyacinth weighing 160 grams was able to cover 1 m2 of mesocosm within 21 days. On the basis of these results, to manage water hyacinth blooms one has to consider its growth rate.
    Źródło:
    Journal of Ecological Engineering; 2021, 22, 6; 222-231
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Growth Rate of Water Hyacinth (Eichhornia crassipes (Mart.) Solms) in Rawapening Lake, Central Java
    Autorzy:
    Prasetyo, Syarif
    Anggoro, Sutrisno
    Soeprobowati, Tri Retnaningsih
    Powiązania:
    https://bibliotekanauki.pl/articles/1838362.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    Rawapening
    Eichhornia crassipes
    mesocosm
    relative growth rate
    doubling time
    Opis:
    Rawapening Lake is one of Indonesia’s national priority lakes that is experiencing environmental problems which are urgently required to be solved due to its functions. The decline in the environmental quality of Rawapening Lake includes sedimentation, water pollution and excess of nutrients, especially Phosphorus (P) and Nitrogen (N) into the lake that induced uncontrolled growth of aquatic plants, one of which is water hyacinth (Eichhornia crassipes (Mart.) Solms). Many activities had been done to reduce the covering of water hyacinth in Rawapening Lake that tends to increase by the time, but no significant result has been achieved. Therefore, this research was conducted in order to study the growth rate of water hyacinth with mesocosm in Rawapening Lake as a baseline to develop suitable management. There were three different sites, namely: Site I in the floating net cage area (FNCA), Rowoboni Village, Site II in the natural area of Bejalen Village which is far from the aquaculture sites, and Site III in the upper reaches of the Tuntang river, Asinan Village. The research was performed in November-December 2019 with the measurements of growth rate, addition number clump and water hyacinth covering every week. The experiment was conducted in the 1 x 1 meter mesocosm, with three replication in every site. In every mesocosm water hyacinth with similar initial weight of 160 grams and number of leaves 6-7 strands were grown in the mesocosm. On day 7 (H7) the average wet weight of water hyacinth increased by 201%. In the fourth week (H28) the average wet weight of water hyacinth increased by 788% compared to the initial weight when planted. The highest relative growth rate (RGR) value of water hyacinth was at site III (7.26%/ day), followed by Site I (7.03%/day), and Site II (6.40%/day), respectively. The doubling time (DT) value of water hyacinth at the site I was 9.9 day, site II – 10.8 day, and site III – 9.6 day. One clump of water hyacinth weighing 160 grams was able to cover 1 m2 of mesocosm within 21 days. On the basis of these results, to manage water hyacinth blooms one has to consider its growth rate.
    Źródło:
    Journal of Ecological Engineering; 2021, 22, 6; 222-231
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in the structure of household disposable income in selected countries as a reflection of crises after 2000
    Autorzy:
    Hindls, Richard
    Marek, Lubos
    Hronová, Stanislava
    Powiązania:
    https://bibliotekanauki.pl/articles/2156807.pdf
    Data publikacji:
    2022-12-15
    Wydawca:
    Główny Urząd Statystyczny
    Tematy:
    gross domestic product
    final consumption expenditure
    disposable income
    mutual change of two relative indicators in space and time
    indicators of income and expenditure in households
    Opis:
    Wages and salaries represent the most important component of household disposable income. The aim of the article is to examine how the relationship between the shares of households' wages and final consumption expenditure in their gross disposable income has developed over the past 20 years. The presented analysis uses publicly available national accounts data for 30 countries for the period of 2000-2019. The studied indicators include the proportion of households' wages and salaries, and final consumption expenditure in their gross disposable income. Using the proposed method based on the evaluation of changes in the spatial map, it is possible to observe any significant changes in these proportion values in the years of financial crisis and recession, as well as in the years of prosperity. The procedure can therefore serve as an indicator of appreciable changes in economic development.
    Źródło:
    Statistics in Transition new series; 2022, 23, 4; 1-19
    1234-7655
    Pojawia się w:
    Statistics in Transition new series
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Time History on Long-Term Deformation of Gypseous Soils
    Autorzy:
    Fattah, Mohammed Y.
    Al-Shakarchi, Yousif J.
    Al-Numani, Huda N.
    Powiązania:
    https://bibliotekanauki.pl/articles/2172881.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    gypseous soil
    creep
    collapse
    time history
    relative density
    Opis:
    The time-dependent behavior of three gypseous soils was investigated. The soils had gypsum content of 66%, 44%, and 14.8%. The mineralogical and chemical properties of the soils were determined. Two series of tests were performed. In the first, collapsibility characteristics were investigated for a long period (60 days) by conducting single and double oedometer tests. In the second series, the effect of relative density on collapse with time was investigated. The samples were compacted to 40%, 50%, and 60% relative density and then tested. The results of collapse tests showed that the relationship between the strain and logarithm of effective stress has two vertical lines. The first one represents the collapse settlement taking place within 24 h, while the second one represents the long-term collapse. The collapse potential (CP) in both single and double oedometer tests increases when the gypsum content increases from 14.8% to 66% and when the initial void ratio increases. The CP–logarithm of time relationship for soaked samples prepared at different relative densities under 800 kPa indicated that the CP increased with time for the soil sample compacted at 60% relative density and the increase was higher than those compacted at 40% and 50% relative density. The curves started with a straight line and then a concave downward curve was observed with a high strain. For samples compacted at 40% and 50% relative densities, the curves were interrupted by little soil collapses, while the third curve exhibited smooth relation following the collapse.
    Źródło:
    Studia Geotechnica et Mechanica; 2022, 44, 3; 198--210
    0137-6365
    2083-831X
    Pojawia się w:
    Studia Geotechnica et Mechanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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