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Wyświetlanie 31-45 z 101
Tytuł:
Isolation, identification and extracellular enzymatic activity of culturable extremely halophilic archaea and bacteria of IncheBoroun wetland
Autorzy:
Rasooli, M.
Amoozegar, M.A.
Sepahy, A.A.
Babavalian, H.
Tebyanian, H.
Powiązania:
https://bibliotekanauki.pl/articles/11626.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:
Extremely halophilic diversity of IncheBroun wetland located in the north of Iran was investigated by using culture-dependent methods. Sampling was carried out in May and September 2014. In each sampling 4 distinct regions of wetland were analyzed by using complex media like MGM, JCM168, MH1 and an alkaliphilic medium containing 23% salts. After incubation at 40˚C, a total of 406 isolates and 2.1 × 106 CFU/ml were obtained in culture media. Among them 361 isolates were obtained from MGM and 39 isolates from JCM 168, 3 isolates from MH1 and 3 isolates from the alkaliphilic media. Initial morphological, biochemical and physiological tests were performed. Production of 4 hydrolytic enzymes by 45 selected strains was assayed qualitatively. A total of 38, 19 and 6 strains were able to produce lipase, DNase and amylase activity. Protease activity was not observed among strains. As total 45 strains were selected randomly and phylogenetic analysis of 16S rRNA was performed for them. Among selected strains 40 isolated strians belonged to Haloarchaea and were belonged to the genera: Haloarcula(30%), Halorubrum(27.5%), Haloferax(17.5%), Halobellus (10%), Halogeometricum(5.2%), Halobacterium(2.6%), Halolamina(2.6%), Halorhabdus (2.6%) and Halostagnicola (2.6%). Haloarcula and Halorubrum were the dominant populations. A total of 5 strains belonged to domain of Bacteria and were similar to members of Rhodovibrio (40%), Pseudomonas (40%) and Salicola (20%).
Źródło:
International Letters of Natural Sciences; 2016, 56
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
DFIS: A novel data filling approach for an incomplete soft set
Autorzy:
Qin, H.
Ma, X.
Herawan, T.
Zain, J. M.
Powiązania:
https://bibliotekanauki.pl/articles/331284.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
zbiór rozmyty
napełnianie danych
soft sets
incomplete soft sets
data filling
association degree
Opis:
The research on incomplete soft sets is an integral part of the research on soft sets and has been initiated recently. However, the existing approach for dealing with incomplete soft sets is only applicable to decision making and has low forecasting accuracy. In order to solve these problems, in this paper we propose a novel data filling approach for incomplete soft sets. The missing data are filled in terms of the association degree between the parameters when a stronger association exists between the parameters or in terms of the distribution of other available objects when no stronger association exists between the parameters. Data filling converts an incomplete soft set into a complete soft set, which makes the soft set applicable not only to decision making but also to other areas. The comparison results elaborated between the two approaches through UCI benchmark datasets illustrate that our approach outperforms the existing one with respect to the forecasting accuracy.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2012, 22, 4; 817-828
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of some diets on demographic parameters of Ectomyelois ceratoniae (Zeller) (Lepidoptera:Pyralidae) in vitro
Autorzy:
Mortazavi, S.
Samih, M.A.
Ghajarieh, H.
Jafari, A.
Powiązania:
https://bibliotekanauki.pl/articles/65132.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
The carob moth, Ectomyelois ceratoniae (Zeller) (Lepidoptera: Pyralidae), is a cosmopolitan species widely distributed in different habitats worldwide. This moth is a well known pest of many fruits as well as dried fruits in storage. In this study, the biological parameters of the carob moth were studied in a growth chamber under controlled conditions (30±2°C, 65±5% and 16L : 8D). The studied moths were on four diets including pistachio, and pomegranate (both are referred to as the natural diets), and semi-synthetic, and synthetic food. The results demonstrated that survival rate of the carob moth on the two natural diets was higher than the survival rate of the carob moth on the semi-synthetic, and synthetic diets (also referred to as the artificial diets). The highest and lowest amount of life expectancy (ex) were obtained for moths on the pistachio diet (38.82), and the pomegranate diet (29.32), respectively. The highest age-stage specific reproductive value (vxj) was observed for moths on the pistachio diet (181.1). The intrinsic rate of increase (r) and finite rate of increase (λ) were calculated to be highest when the pomegranate diet was used (0.091 and 1.096) and lowest when the synthetic diet was used (0.06) and (1.062). The highest amounts of net reproductive rate and mean fecundity were obtained for moths fed the pistachio diet and the lowest were for moths fed the synthetic diet. Our results also showed that the mean generation times were 48.32, 44.42, 37.19, and 42 days for moths fed synthetic food, pistachio, pomegranate, and semi-synthetic food, respectively. The outcome of this research can be used to effectively select the most useful rearing of carob moths for using them in natural pheromone traps as Integrated Pest Management programs.
Źródło:
Journal of Plant Protection Research; 2015, 55, 2
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control of infection of Biomphalaria alexandrina (Ehrenberg, 1831) with Schistosoma mansoni Sambon, 1907 using Eucalyptus camaldulensis
Autorzy:
Mossalem, H.S.
Habib, M.R.
Ghareeb, M.A.
Powiązania:
https://bibliotekanauki.pl/articles/84576.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Źródło:
Folia Malacologica; 2018, 26, 3
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic diversity in fruit nutritional composition, anthocyanins, phenolics and antioxidant capacity of plum (Prunus domestica) genotypes
Genetyczna różnorodność w składzie odżywczym owoców, antocyjaniny, fenole oraz zdolność antyoksydacyjna genotypów śliwy (Prunus domestica)
Autorzy:
Nisar, H.
Ahmed, M.
Anjum, M.A.
Hussain, S.
Powiązania:
https://bibliotekanauki.pl/articles/11543260.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
genetic diversity
fruit
nutritional composition
anthocyanin
phenolics
antioxidant capacity
plum
Prunus domestica
genotype
biochemical analysis
biodiversity
proximate composition
Opis:
In the present work, genetic diversity in nutritional composition of sixteen plum genotypes growing at four different locations of Tehsil Rawalakot, District Poonch of Azad Jammu and Kashmir (Pakistan) were studied. Various parameters like moisture, dry matter, ash and total soluble solids contents, acidity, pH, vitamin C and sugar content, shelf-life and sensory/organoleptic evaluation, anthocyanins, phenolics and antioxidant activity were evaluated and variation in these characteristics has been discussed. The results suggested that the genotypes differed in their nutritional composition of fruits, anthocyanin and phenolic contents and antioxidant activity of fruit. The results of the present study regarding the nutritional status of existing plum germplasm will contribute and increase our knowledge about the genus Prunus and broaden the gene pool available for future plant breeding programs.
Badano różnorodność genetyczną w składzie odżywczym szesnastu genotypów śliw rosnących w różnych miejscach Tehsil Rawalakot, Dystrykt Poonch w Azad Jammu i Kashmirze (Pakistan). Oceniono różne parametry, takie jak wilgotność, zawartość popiołu, suchej masy i całkowitą zawartość rozpuszczalnych substancji stałych, kwasowość, pH, zawartość witaminy C, cukru, antocyjanów i fenoli, okres trwałości, cechy sensoryczne/organoleptyczne, a także omówiono zróżnicowanie tych cech. Na podstawie wyników można stwierdzić, że genotypy różniły się składem odżywczym, zawartością antocyjan i fenoli oraz zdolnością antyoksydacyjną owoców. Wyniki badania dotyczące składników odżywczych istniejącej germplazmy przyczynią się do pogłębienia wiedzy na temat gatunku Prunus oraz poszerzą pule genową dostępną dla przyszłych programów hodowli roślin.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2015, 14, 1; 45-61
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Removing lead from Iranian industrial wastewater
Autorzy:
Salmani, B.K.
Amoozegar, M.A.
Babavalian, H.
Tebyanian, H.
Shakeri, F.
Powiązania:
https://bibliotekanauki.pl/articles/11541.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:
Metals and chemicals have been increased in industrial processes which they contain a high level of toxic heavy metals and cause a lot of disadvantages for the environment and human health .Biosorption of Pb (П) ions has been studied from aqueous solutions in a batch system by using a bacterial strain isolated from petrochemical wastewaters. Strain 8-I was selected to study the impact of different factors on removal rate. According to morphological, physiological and biochemical characterizations of the strain and in comparison with other studies the strain was tentatively identified as Bacillus sp strain 8-I. The maximum Lead biosorption capacity of 8-I isolate was determined to be 41.58 % at pH 4.0 with 80 mg/l concentration in 48 hours equilibrium time. The comparison between the biosorption capacity of live (45.50 mg/g), heat inactivated (30.23 mg/g) and NaN3 pretreated biomass (26.86 mg/g) were indicated that the ability of live biomass for both of active and passive uptake of lead.
Źródło:
International Letters of Natural Sciences; 2016, 57
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prediction of littoral drift with adaptive neuro-fuzzy inference system
Ocena dryfu morskiego z wykorzystaniem systemu ANFIS [Adaptive Neuro-Fuzzy Inference System]
Autorzy:
Sabet, M S
Naseri, M.A.
Sabet, H.S.
Powiązania:
https://bibliotekanauki.pl/articles/81613.pdf
Data publikacji:
2010
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
littoral sand drift
coastal zone
adaptive neuro-fuzzy inference system
validation
physical process
database
Opis:
The amount of sand moving parallel to a coastline forms a prerequisite for many harbor design projects. Such information is currently obtained through various empirical formulae. Despite so many works in the past, an accurate and reliable estimation of the rate of sand drift has still remained a problem. It is a non-linear process and can be described by chaotic time-series. The current study addresses this issue through the use of Adaptive Neuro-Fuzzy Inference System (ANFIS). ANFIS is about taking an initial fuzzy inference system (FIS) and tuning it with a back propagation algorithm based on the collection of input-output data. ANFIS was developed to predict the sand drift from a variety of causative variables. The structure and algorithm of ANFIS for predicting the rate of sand drift is described. The Adaptive Neuro-Fuzzy Inference System was validated by confi rming its consistency with a database of specifi ed physical process.
W artykule przedstawiono adaptację systemu ANFIS do oceny wielkości dryfu fal piaskowych poruszających się wzdłuż wybrzeża morskiego. Pomimo wielu informacji o charakterze ilościowym oraz jakościowym zebranych w badaniach terenowych oraz opracowanych wzorów empirycznych opisujących analizowane zjawisko, autorzy widzą potrzebę stosowania symulacji zjawiska za pomocą metod numerycznych. Takie możliwości daje omówiony w pracy system ANFIS.
Źródło:
Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation; 2010, 42, 1; 159-167
0208-5771
Pojawia się w:
Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of genetic relationships among cultivated and wild pistachios (Pistacia vera L.) using molecular markers
Autorzy:
Pourian, M.A.
Bakhshi, D.
Aalami, A.
Hokmabadi, H.
Powiązania:
https://bibliotekanauki.pl/articles/1880.pdf
Data publikacji:
2019
Wydawca:
Instytut Ogrodnictwa
Tematy:
genetic relationship
molecular marker
microsatellite
Pistacia vera
pistachio
retrotransposon
inter-retrotransposon amplified polymorphism
inter-simple sequence repeat marker
Źródło:
Journal of Horticultural Research; 2019, 27, 1
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In vitro culture of big-sage (Lantana camara L.) plant
Autorzy:
Ibrahim, M.A.
Sabty, M.Z.
Mussa, S.H.
Powiązania:
https://bibliotekanauki.pl/articles/12710538.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Opis:
The study was conducted to mass micropropagation of big sage (Lantana camara L.) plant by shoot multiplication technique. The treatments 2.22 and 2.66 µmol·L⁻¹ BA gave the highest significant increase in the percentage of response to shoot multiplication and number of shoots per explant compared to the other treatments as reached 96.70% and 100.00% and 4.33 and 6.00 shoots, respectively. The results showed that these two treatments did not differ significantly between them. While the 1.33 µmol·L⁻¹ BA gave the lowest values in the percentage of response to shoot multiplication and number of shoots per explant were 80.00% and 2.00 shoots per explant, respectively. The MS medium supplemented with 4.30 or 5.37 µmol·L⁻¹ NAA gave a high response to root formation, number of roots per shoot and root length. While the MS medium supplemented with 6.44 or 7.52 µmol·L⁻¹ NAA gave low values in these characteristics. The MS medium with 2.22 or 2.66 µmol·L⁻¹ concentration of BA or 7.52 µmol·L⁻¹ concentration of NAA recorded the highest significant increase in the percentage of response to callus formation. While the MS medium supplemented with 1.33 µmol·L⁻¹ BA or 4.30 µmol·L⁻¹ NAA gave less response to the callus formation.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2020, 19, 2; 67-73
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Acaricidal, ovicidal, and repellent effects of Tagetes patula leaf extract against Tetranychus urticae Koch (Acari: Tetranychidae)
Autorzy:
Ismail, M.S.M.
Tag, H.M.
Rizk, M.A.
Powiązania:
https://bibliotekanauki.pl/articles/65234.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
This study investigates the acaricidal, ovicidal, and repellent effects of the Tagetes patula Linn. (Asteraceae) leaf extract against both the adult female and egg stages of Tetranychus urticae Koch (Trombidiformes: Tetranychidae) under laboratory conditions. The Tagetes patula ethanolic leaf extract [TpEtOH70%] was screened for adulticide and ovicide bioassays in order to consider its acute toxicity. One sublethal concentration was used to assess egg-laying capacity (fecundity), repellent, and oviposition deterrent activities. The chemical characterization was conducted by gas chromatography-mass spectrometry (GC-MS) analysis to identify the TpEtOH70% bioactive components. Results showed that the LC50 value of TpEtOH70% leaf extract predicted by Probit analysis against T. urticae adult females at 24 h was 0.99%.The TpEtOH70% leaf extract showed a significant toxic effect as the highest mean mortality rates (± SE) of the treated adult females was 88.9 ± 3.7%. However, the TpEtOH70% leaf extract was insignificant in affecting the egg-laying capacity of the adult females treated with a sublethal dose of 0.5% even after 72 h. The TpEtOH70% leaf extract was classified repellent since the repellent index (RI) value was lower than 1 – SD. In addition, it had a high oviposition deterring effect based on a 100% reduction of the total number of eggs. The TpEtOH70% leaf extract had a significant ovicidal effect on T. urticae eggs, with 56.04% reduction in hatching. Five bioactive compounds from various classes of phytochemicals were identified in the TpEtOH70% leaf extract and the major compound was phytol (62.72%). This pioneering investigation reveals the adulticidal, ovicidal, and repellent activities of the TpEtOH70% leaf extract against T. urticae. A combination of multiple modes of action of different plant components may act alone or in synergism to delay the development of mite resistance.
Źródło:
Journal of Plant Protection Research; 2019, 59, 2
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analytical and numerical investigation of the free vibration of functionally graded materials sandwich beams
Autorzy:
Bakhy, S.H.
Al-Waily, M.
Al-Shammari, M.A.
Powiązania:
https://bibliotekanauki.pl/articles/2175761.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
FGMs
sandwich beam
classical beam theory
vibration
FEA
frequency
ANSYS
belka warstwowa
klasyczna teoria belek
wibracje
częstotliwość
Opis:
Purpose: In this study, the free vibration analysis of functionally graded materials (FGMs) sandwich beams having different core metals and thicknesses is considered. The variation of material through the thickness of functionally graded beams follows the power-law distribution. The displacement field is based on the classical beam theory. The wide applications of functionally graded materials (FGMs) sandwich structures in automotive, marine construction, transportation, and aerospace industries have attracted much attention, because of its excellent bending rigidity, low specific weight, and distinguished vibration characteristics. Design/methodology/approach: A mathematical formulation for a sandwich beam comprised of FG core with two layers of ceramic and metal, while the face sheets are made of homogenous material has been derived based on the Euler–Bernoulli beam theory. Findings: The main objective of this work is to obtain the natural frequencies of the FG sandwich beam considering different parameters. Research limitations/implications: The important parameters are the gradient index, slenderness ratio, core metal type, and end support conditions. The finite element analysis (FEA), combined with commercial Ansys software 2021 R1, is used to verify the accuracy of the obtained analytical solution results. Practical implications: It was found that the natural frequency parameters, the mode shapes, and the dynamic response are considerably affected by the index of volume fraction, the ratio as well as face FGM core constituents. Finally, the beam thickness was dividing into frequent numbers of layers to examine the impact of many layers' effect on the obtained results. Originality/value: It is concluded, that the increase in the number of layers prompts an increment within the frequency parameter results' accuracy for the selected models. Numerical results are compared to those obtained from the analytical solution. It is found that the dimensionless fundamental frequency decreases as the material gradient index increases, and there is a good agreement between two solutions with a maximum error percentage of no more than 5%.
Źródło:
Archives of Materials Science and Engineering; 2021, 110, 2; 72--85
1897-2764
Pojawia się w:
Archives of Materials Science and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of plant hormones on micropropagation potential of superior strawberry genotypes and their parents via shoot-tip culture
Autorzy:
Sarıdaş, M.A.
Baktemur, G.
Taşkın, H.
Kargı, S.P.
Powiązania:
https://bibliotekanauki.pl/articles/13054608.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2021, 20, 3; 63-75
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A study on chemical characterization and proximate composition of flathead mullet fish (Mugil cephalus) of estuarine region of the Bay of Bengal
Autorzy:
Rowshan-Ali, M.
Roni, M.A.H.
Haque, M.A.
Uddin, M.H.
Powiązania:
https://bibliotekanauki.pl/articles/11517.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
chemical characteristics
proximate composition
flathead mullet
fish
Mugil cephalus
polyunsaturated fatty acid
estuarine habitat
Bengal Bay
Opis:
The Flathead mullet (Mugil cephalus) is a mullet of the genus Mugil in the family Mugilidae, found in coastal tropical, subtropical and estuarine water worldwide. Lipid was extracted from the muscle of Flathead mullet (Mugil cephalus) by solvent extraction method and characterized with respect to various chemical e.g. saponification value, saponification equivalent value, acid value, iodine value, peroxide value, ester value, thicyanogen value, unsaponifiable matter, Henher value, Polenske value, Reichert-Meissl value etc properties and compared with those of different oils. Palmitic acid, Stearic acid and Myristic acid were observed at fatty acid composition of the sample by chromatographic examination. Percentages of protein and mineral (N, P, K, Ca) in the muscle of Flathead mullet were studied by modified Kjeldahl method.
Źródło:
International Letters of Natural Sciences; 2014, 12, 2
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Model construction and experimental verification of the equivalent elastic modulus of a double-helix wire rope
Autorzy:
Chen, H. Y.
Zhang, K.
Bai, Y. X.
Ma, Y.
Deng, H. Z.
Powiązania:
https://bibliotekanauki.pl/articles/280950.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
mechanical properties
wire rope
double-helix wire rope
spatial configuration curve
equivalent elastic modulus
Opis:
To accurately describe mechanical properties of a complex wire rope, a double-helix wire rope is used as an example in this study. According to the spatial structure characteristics of the central helical line of each wire rope, the spatial configuration curve for the double- -helix wire rope is obtained by using differential geometry theory. On the basis of this curve, the mathematical model of the equivalent elastic modulus of the wire rope is developed, and the elastic modulus of a 6×7+IWS wire rope is measured using a universal tensile testing machine. The experimental results are compared with the predicted results to verify correctness of the elastic modulus prediction of the double-helix wire rope.
Źródło:
Journal of Theoretical and Applied Mechanics; 2018, 56, 4; 951-960
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structure and Improvement of Properties of Floss Silk via Scouring and Finishing Treatment
Struktura i możliwość poprawy właściwości jedwabiu naturalnego poprzez procesy wykończenia
Autorzy:
Lin, H.
Ma, P.
Ning, W.
Huang, J.
Jiang, F.
Hu, Z.
Xiao, H.
Powiązania:
https://bibliotekanauki.pl/articles/233484.pdf
Data publikacji:
2013
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
floss silk
finishing treatment
structure
silk fibre properties
nici jedwabne
obróbka wykańczająca
struktura
właściwości włókien jedwabiu
Opis:
In the present study, floss silk was treated by scouring and finishing, respectively. The micro structure was observed with scanning electron microscopy (SEM), the mechanical property tested by an Instron 5566 tensile tester, and the crystal structure was analysed with Fourier transform attenuated total reflection infrared spectroscopy (FTIR) and X-ray diffraction (XRD), respectively. The results show that the properties of floss silk treated with the refining method are better than with the alkali method.
Badania dotyczyły obróbki wykańczalniczej jedwabiu naturalnego. Mikrostruktura jedwabiu była badana za pomocą skaningowej mikroroskopii elektronowej, a właściwości mechaniczne testowane były klasyczną zrywarką firmy Instron, podczas gdy strukturę krystaliczną analizowano za pomocą spektroskopii w podczerwieni (FTIR) oraz rozproszenia promieniowania rentgenowskiego. Wyniki pozwoliły wytypować najlepszą w danych warunkach metodę obróbki.
Źródło:
Fibres & Textiles in Eastern Europe; 2013, 3 (99); 18-21
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
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