نتایج جستجو برای: sisal bibre
تعداد نتایج: 749 فیلتر نتایج به سال:
In time series prediction, making accurate predictions is often the primary goal. At the same time, interpretability of the models would be desirable. For the latter goal, we have devised a sequential input selection algorithm (SISAL) to choose a parsimonious, or sparse, set of input variables. Our proposed algorithm is a sequential backward selection type algorithm based on a cross-validation ...
Mesoporous gamma alumina fibres of high surface area, stable up to 1000 oC, were synthesized by bioreplica technique using sisal fibres as templates. Alumina formation during pyrolysis and calcination of fibres infiltrated with aluminium chloride solution has been studied, paying special attention to the interaction between the precursor and sisal fibres, using several experimental techniques s...
To provide a resource of sisal-specific expressed sequence data and facilitate this powerful approach in new gene research, the preparation of normalized cDNA libraries enriched with full-length sequences is necessary. Four libraries were produced with RNA pooled from Agave sisalana multiple tissues to increase efficiency of normalization and maximize the number of independent genes by SMART&tr...
The activity of oxidative and hydrolytic enzymes of the edible and medicinal white rot fungi Coprinus cinereus (Schaeff.) Gray mushroom was observed during mycelia growth and fruiting body development in solid substrate fermentation using sisal waste fractions amended with cow dung manure as supplement. Laccase had the highest titre value among the five detected enzymes. Its activity was higher...
The dynamic mechanical behavior (storage modulus, loss and tan ?) of hybrid sisal/glass composites was investigated in the temperature range 30–210 °C, for two different volume percentages reinforcement along with ratios sisal glass fibers. Based on experimental outcome, an artificial neural network (ANN) approach used to predict properties followed by a surface response methodology (SRM). ANN ...
Applying the leadership concepts presented by most of the literature on the theme may be problematic in the case of third-sector and non-profit or public organizations, which act in specific contexts or in more fluid territories and other organizational spaces. This work aims at identifying emerging visions on the leadership concept and analyzes their usefulness for the work of international de...
This paper presents the results of a research on influence sisal fibers self-healing capacity slag-cement UHPFRC reinforced with steel fibers. In order to evaluate composite healing capacity, specimens were submitted pre-cracking by tensile test and then 3 months wetting drying cycles treatment. Treated resubmitted evaluated Optical Electronic microscopy CT Scan. Results indicate that fiber wor...
An investigation on the effect of sisal fiber partially replaced cement with Groundnut Shell Ash in Concrete was carried out. Sisal 3.5cm length which forms 1% mix by weight groundnut shell ash as a partial replacement for used preparing concrete specimen. Compressive strength test out using 0%, 5%, 10%, 15%, 20%, 25% and 30% at different curing ages 7, 14, 21 28 days. It observed that 7 14days...
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