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Chemical signature of two Permian volcanic ash deposits within a bentonite bed from Melo, Uruguay Anais da ABC (AABC)
Calarge,Liane M.; Meunier,Alain; Lanson,Bruno; Formoso,Milton L.L..
A Permian bentonite deposit at Melo, Uruguay is composed of a calcite-cemented sandstone containing clay pseudomorphs of glass shards (0-0.50 m) overlying a pink massive clay deposit (0.50-2.10m). The massive bed is composed of two layers containing quartz and smectite or pure smectite respectively. The smectite is remarkably homogeneous throughout the profile: it is a complex mixed layer composed of three layer types whose expandability with ethylene glycol (2EG 1EG or 0EG sheets in the interlayer zone which correspond to low-, medium- and high-charge layers respectively) varies with the cation saturating the interlayer zone. The smectite homogeneity through the profile is the signature of an early alteration process in a lagoonal water which was over...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bentonite; REE; Incompatible elements; Mixed-layer minerals; Uruguay.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652006000300012
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Effect on Merlot red wine of fining agents mixture: application of the simplex centroid design Ciênc. Tecnol. Aliment.
FICAGNA,Evandro; GAVA,Angelo; ROSSATO,Simone Bertazzo; ROMBALDI,César Valmor; BORSATO,Dionísio.
Abstract In the elaboration of young red wine, it is necessary to obtain a clear product with stable color. The clarity and stability can be obtained using fining agents. The objective of this study was to evaluate the combined effect of fining with pea protein isolate (PPI), bentonite, and polyvinylpyrrolidone (PVPP) on a red wine, using the experimental design of mixtures. Merlot wine was used to evaluate the changes on monomeric flavan-3-ol, turbidity and anthocyanin levels promoted by the fining compounds. For all the parameters, the adjusted models showed influence of the combination of the three fining agents. Together, bentonite and PVPP have synergistic effect on the reduction in monomeric flavanol levels. Such synergistic effect was also observed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pea protein isolate; PVPP; Bentonite; Anthocyanins; Monomeric flavan-3-ols; Turbidity.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612020005001202
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ผลของการพอกเมล็ดด้วย Pumice zeolite และ bentonite ต่อคุณภาพของเมล็ดพันธุ์ยาสูบพันธุ์เวอร์จิเนีย Thai Agricultural
Jakkrapong Kangsopa; Boonmee Siri.
Tobacco seeds are very small in seed size, causing non-uniformseedlings development, vunerable to disease infection, as a result requires higher seeding rate. This research aims to study effect of material filler on tobacco seed quality. The experiment was conducted at laboratory of seed quality testing section, Seed Processing Plant, Faculty of Agriculture, Khon Kaen University. The Virginia tobacco seeds were pelleted with three types of fillers including pumice zeolite and bentonite. The binder material used wasis hydroxyl propyl methylcellulose (HPMC) with concentration of 4 percent by weight. The result showed that the seed pelleting with pumice. Solubility in water is best when compared with other types of material fillers. Furthermore it’s the...
Tipo: PhysicalObject Palavras-chave: Tobacco seed; Virginia variety; Seed pelleting; Adhesive materials; Pumice zeolite; Bentonite; Filler materials; Hydroxyl propyl methylcellulose; HPMC; Aging seed; Seed vigour; Germination percentage; เมล็ดพันธุ์ยาสูบ; พันธุ์เวอร์จิเนียร์; การพอกเมล็ดพันธุ์; วัสดุพอก; วัสดุประสาน; การเร่งอายุเมล็ดพันธุ์; อัตราการงอกของเมล็ด; ความแข็งแรงของเมล็ด.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5728
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ผลของสารพอกและวัสดุประสานต่างชนิดกัน ต่อคุณภาพเมล็ดพันธุ์ข้าวโพดไร่ขนาดเล็ก Thai Agricultural
Nongnuch Saenghin; Boonmee Siri.
In commercial corn production, small seed size is discarded from the seed lot and used as the animal feed, resulting in less profit to the seed industry. Therefore, the objective of this research was to increase seed size by seed pelleting methods. In this study, the types of filler pelleting materials and ratio of binder materials were investigated. The experiment was conducted at Seed Quality Test Laboratory of Seed Processing Plant, Faculty of Agriculture, Khon Kaen University. Small seed size of hybrid corn that retained on grade 14/64” diameter sieve perforations were pelleted with seven different types and ratios of fillers (vermiculite, bentonite, pumice, calcium sulphate, calcium carbonate, charcoal and coconut) with four different types of binders...
Tipo: PhysicalObject Palavras-chave: Corn seed; Seed pelleting; Vermiculite; Bentonite; Pumice; Calcium sulphate; Calcium carbonate; Charcoal; Coconut; Binde; Hydroxypropyl methylcellulose; HPMC; Gum arabic; Carboxymethyl cellulose; CMC power; Methyl cellulose; Seed size; Seed quality; Seed enhancement; Germination percentage; Seed vigour; เมล็ดพันธุ์ข้าวโพด; การพอกเมล็ดพันธุ์; สารพอก; วัสดุประสาน; เทคโนโลยีเมล็ดพันธุ์; การยกระดับคุณภาพเมล็ดพันธุ์; อัตราการงอกของเมล็ด; ความแข็งแรงของเมล็ด.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5727
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Growth performance, meat quality, and carcass characteristics in growing and fattening Hanwoo steers fed bentonite Animal Sciences
Young-Jik, Kim; Woo-Whan, Jang; Tae-Ho, Chung; In-Hag, Choi.
Thirty-six castrated, seven months-old Hanwoo steers (initial body weight: 184 ± 5.2kg) were assigned to three treatments over 23 months to evaluate the effects of supplementation with bentonite (0, 0.1 and 0.3%) on growth performance and carcass and meat characteristics. A completely randomized design with three replicates was used. The inclusion of a bentonite-supplemented diet had an influence on final weight, total weight gain, and average daily gain. Bentonite supplementation had no significant effect on proximate composition and meat quality. For carcass characteristics, there were no significant differences in yield traits and quality traits between treatments (but not cold carcass weight, marbling score, and quality grade). It was concluded that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bentonite; Hanwoo steers; Quality traits; Yield traits..
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/35405
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