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Acta Alimentaria
Authors: M.Y. Jiang, Z.R. Wang, K.W. Chen, J.Q. Kan, K.T. Wang, Zs. Zalán, F. Hegyi, K. Takács and M.Y. Du

, J.K. & Jiang , W.B. ( 2005 ): Induced resistance in Yali pear ( Pyrus bretschneideri Rehd.) fruit against infection by Penicillium expansum by postharvest infiltration of acibenzolar-S-methyl . J. Phytopathol. , 153 , 640 – 646

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Microscopic organisms play a vital role in the field of green technology. Among the genera fungi, the group of entomopathogens includes Beauveria bassiana, which has been found to have multifunctional applications. In this present research, we have attempted to partially purify chitinase from two strains of Beauveria bassiana (F881 and F911), each cultured in minimal media with 1% (w/v) colloidal chitin as well as in Sabouraud's dextrose media with 1% (w/v) colloidal chitin. The purification process was done with a setup of ceramic membranes, which comprises two stages, ultrafiltration (50 nm pore size membrane) and nanofiltration (MWCO 5 kDa). Furthermore, with the analysis of yield of enzymatically hydrolyzed NAG (N-acetyl glucosamine), resistance and fouling of the membrane were also studied.

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-reinforcing fillers. The reinforcing fillers are those which when introduced into rubber matrix will improve the tensile strength, tear strength, abrasion resistance and other mechanical properties of the rubber vulcanizate, whereas non-reinforcing fillers are added

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and building elements . Thermal resistance and thermal transmittance. Calculation method (ISO 6946:2017) , 2017 . [6] Cengel A. Y. , John M

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References [1] Hrubá B. , Teslík J. , Labudek J. ( 2015 ), Fire resistance of construction system based on natural materials

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building envelopes with controlled thermal resistance . In: Proceedings of Conference: Air Conditioning and the Low Carbon Cooling Challenge–Windsor , 2008, Conference Code 89553 [4

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All building materials can be affected by microbiological agents during their lifecycle. The presence of microorganisms changes the appearance of the surface, degrading it, and they can even cause health problems to the residents. The biological susceptibility is dependent on the content of nutrient based on organic compounds. Thus one of the most susceptible of those materials are earthen construction materials. The degree of fungal growth is influenced by the chemical composition and plant fibres additives as well as the external conditions such as temperature and relative humidity.

The earth plastering mortar has started to gain more attention recently as it is considered to have a low environmental impact and to increase the indoor air quality. Mechanical and physical characteristics of earth materials were studied by a number of authors but the knowledge about the biological resistance of the material is scarce.

This study intends to look into the issue of the biological colonisation of earth plasters depending on the relative humidity. The samples, made of four types of earth plasters with different plant fibres, were placed to an environment of the relative humidity ranging from 33% to 100%. During a period of 4 weeks the extent of fungal growth was observed.

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] ISO 834-10 ( 2014 ), Fire resistance tests – Elements of building construction . [5] Hurley M. J. ( 2016 ), SFPE

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] Wang F. , Zheng M. , Teng H. , Tian Y. ( 2013 ), Vertical axial resistance difference type windmill driven magnetic eddy current heating analysis . Journal of Northwest University , 43 , 545 – 548 .

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out resistance was enhanced when steel fibers were introduced. 4.3 Chloride resistivity In order to determine the chloride resistivity of concrete, the electrical conductance of concrete is performed by allowing the chloride ions to penetrate into it

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