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APPLICATION OF OPTICAL METHOD IN MEASURING MECHANICAL VIBRATIONS IN A CANTILEVER BEAM REA
Silva,Marcos V. G. da; Fabbro,Inácio M. Dal; Lino,Antônio C. L..
ABSTRACT The pertinent literature discloses a family of optical profile measuring techniques highlighting the moiré methods. The Moiré technique is based on the interference of two superimposed optical grids which produce fringe patterns which can be processed to analyze the DYNAMIC MEASUREMENT IN MATERIALS mechanical behavior. The goal of this research is to experimentally determine the mechanical displacement of a slim cantilever beam by means of Moiré technique with Phase Shift. Photomechanical experimental arrangement included a digital camera, a multimedia projector and a PC. The occurrence of oscillations has been adequately analyzed. The results showed data from which useful information can withdraw, being of great importance to support agricultural...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Moiré Technique; Material Mechanical Behavior Analysis; Deformation; Strain; Agricultural Machinery.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000100084
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Avaliação da depressão miocárdica por meio do feature tracking bidimensional em cadelas com sepse Arq. Bras. Med. Vet. Zootec.
Figueiredo,V.C.; Muzzi,R.A.L.; Pereira,C.S.; Mantovani,M.M.; Muzzi,L.A.L.; Oberlender,G.; Júnior,A.C.C.L.; Arruda,P.M..
RESUMO O objetivo deste estudo prospectivo foi analisar a função do ventrículo esquerdo de cadelas que apresentavam sepse ou não e diagnosticar a depressão miocárdica de forma precoce, por meio do feature tracking imaging bidimensional (FTI-2D).Vinte e nove cadelas diagnosticadas com piometra, patologia usada como modelo experimental para sepse, foram avaliadas. Os animais foram submetidos ao exame ecocardiográfico convencional e ao FTI-2D e divididos em três grupos: grupo I (controle), grupo II (piometra sepse) e grupo III (piometra não sepse). Em relação aos parâmetros da ecocardiografia convencional, não houve diferença estatística entre os grupos avaliados. Quanto ao strain radial, os grupos II e III apresentaram função ventricular inferior no momento...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cão; Disfunção miocárdica; Ecocardiografia; Strain; Strain rate.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352016000501228
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Effect of dietary fiber, genetic strain and age on the digestive metabolism of broiler chickens Rev. Bras. Ciênc. Avic.
Krás,RV; Kessler,A de M; Ribeiro,AML; Henn,JD; Bockor,L; Sbrissia,AF.
In this study, 360 male broilers, out of which 240 of a fast-growing strain (Cobb500), and 120 of a slow-growing strain (Label Rouge), were used to evaluate the effect of dietary fiber on digesta transit time and digestive metabolism during the period of 1 to 42 days of age. A completely randomized experimental design with a 3x2 factorial arrangement was applied, consisting of three groups of birds (slow-growing - SG; fast-growing fed ad libitum - FGAL; and fast-growing pair-fed with SG broilers - FGPF) and two iso-protein diets (a 3100 kcal ME/kg low-fiber diet - LFD- and a 2800 kcal ME/kg high-fiber diet - HFD- with 14% wheat bran and 4% oat hulls). HFD-fed birds presented lower ME retention (p < 0.001) and lower dry matter metabolizability (DMM) (p...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Age; Fiber; Metabolism; Pair-fed; Strain.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2013000200003
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Evaluación del efecto de diferentes diluciones de agua de coco suplementada con biotina, para la producción de levadura (Saccharomyces cerevisiae) a nivel matraz y en biorreactor de tanque agitado. Colegio de Postgraduados
Pérez Ramírez, Jacqueline.
En esta investigación, se evaluó el efecto de las diluciones del agua de coco y la adición de biotina sobre el crecimiento de Saccharomyces cerevisiae. En este sentido, la dilución 1:1 adicionada con biotina (µ= 0.21 h-1) y biomasa (3.32 g/L) fue suficiente para dar los requerimientos nutricionales a la cepa estudiada, en comparación con el agua de coco 100% (µ= 0.13 h-1) y biomasa (3.28 g/L) y un medio cultivo sintético (µ= 0.12 h-1) con biomasa de 2.86 g/L. Los nutrientes disponibles en diluciones 1:2 (µ= 0.18 h-1) y biomasa (2.25 g/L), podrían ser considerables para estudios posteriores; no así, las diluciones 1:5 y 1:10 que parecen inadecuadas para el óptimo crecimiento de S. cerevisiae. Se observó el efecto positivo de la biotina sobre el crecimiento...
Palavras-chave: Cepa; Medio de cultivo; Biomasa; Strain; Culture medium; Biomass production; Maestría Tecnológica; Agroindustria.
Ano: 2011 URL: http://hdl.handle.net/10521/643
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Evaluation of strain, dietary energy level and stocking density on broiler feathering Rev. Bras. Ciênc. Avic.
Moreira,J; Mendes,AA; Garcia,RG; Garcia,EA; Roça,RO; Nääs,IA; Dalanezi,JA; Pelícia,K.
This study evaluated the effects of strain, stocking density and dietary energy level on the feathering of broiler chickens. Four trials were carried out between September 2000 and April 2002. There were 10,685 broiler chicks from the strains Ross 308, Cobb 500, Hybro PG, Hubbard, MPK, and Isa Vedette. The bids were reared at stocking densities varying between 10 and 16 birds/m² and were given diets containing different metabolizable energy levels. Broiler feathering was evaluated either by atrributing scores from 1 to 10 to feather covering along the thigh and back (visual inspection), or by determining the percentage weight of the feathers at 28 and 42 days of age. Increasing rearing densities resulted in poorer feathering, mainly if 12 or 13 birds/m²...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Broiler chickens; Dietary energy; Feathering; Strain; Stocking density.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2006000100002
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Fiber level for laying hens during the growing phase Ciência e Agrotecnologia
Freitas,Ednardo Rodrigues; Braz,Nádia de Melo; Watanabe,Pedro Henrique; Cruz,Carlos Eduardo Braga; Nascimento,Germano Augusto Jerônimo do; Bezerra,Roseane Madeira.
Feeding management of laying hens has been focused on the direct influence of nutrient intake on weight gain, especially at growing phase. This study evaluates nutrient digestibility, performance, development of the digestive tract, body composition, and bone quality of two strains of laying hens fed with different levels of neutral detergent fiber (NDF) during the growing phase from the 7th to the 12th week of age. A total of 1,296 birds were distributed in a completely randomized design in a 2 x 3 factorial arrangement (two strains x three levels of NDF) with four replicates of 54 birds per treatment. Semi-heavy (Hy Line Brown) and light-strain (Lohman LSL) pullets were allotted to dietary treatments consisting of 14.50, 16.50, and 18.50% NDF. An...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Growth; Insoluble fiber; Neutral detergent fiber; Strain.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542014000200010
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Fitness cost of resistance to Bacillus thuringiensis in velvetbean caterpillar Anticarsia gemmatalis Hübner (Lepidoptera, Noctuidae) Rev. Bras. entomol.
Sosa-Gómez,Daniel Ricardo; Miranda,José Ednilson.
Selection pressure to obtain resistant genotypes can result in fitness cost. In this study, we report the effects of the selection pressure of a commercial formulation of Bacillus thuringiensis on biological aspects of a Dipel-resistant strain of velvetbean caterpillar, Anticarsia gemmatalis Hübner. Comparisons of Dipel-resistant and susceptible individuals revealed significant differences in pupal weight and larval development time. Both strains (Dipel-resistant and susceptible) were susceptible to Cry1Ac toxin expressed in foliar cotton tissues. Resistant and susceptible strains showed low survival rates of 22.5% and 51.2%, respectively, when fed with Greene diet containing Bt-cotton. Larvae bioassayed after three laboratory generations presented lower...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anticarsia gemmatalis; Toxin; Cry1Ac; Dipel-resistant; Strain.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262012000300014
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Host plant association and genetic differentiation of corn and rice strains of Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) in Colombia Neotropical Entomology
Saldamando,Clara I; Vélez-Arango,Ana M.
Spodoptera frugiperda (Smith) is a polifagous insect of major economic impact in the western hemisphere and exhibits two strains (i.e., corn and rice) that are morphologically identical but differ in ecology, genetics and physiology. In this work we identified these strains and their respective hybrids by using a PCR-RFLP of the COI gene and PCR of the tandem region FR. Moreover, we performed a population structure analysis by using 253 larvae from Tolima, a region where S. frugiperda is a pest on corn, rice, sorghum and cotton. Corn strain was found on 42% in corn, 34% in cotton, 19% in sorghum and 0.04 % in rice and rice strain on 35% in corn, 0.06% in cotton, 0.06% in sorghum and 53% in rice, demonstrating that corn strain specificity is superior to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Strain; Population genetics; Pest.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000600012
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Long-term slip rates and fault interactions under low contractional strain, Wanganui Basin, New Zealand ArchiMer
Lamarche, G; Proust, Jn; Nodder, Sd.
The newly mapped Kapiti-Manawatu Fault System (KMFS) in southern North Island, New Zealand, accommodated similar to 3.5 km of basement throw over the last 3 Myr. Along-strike throw profiles are generated using seven stratigraphic markers, interpreted from seismic reflection profiles acquired < 3 km apart. The profiles are symmetrical about their point of maximum displacement, and cumulative profiles suggest that the reverse fault system behaves coherently. The KMFS originates from the reactivation of extensional structures, with fault lengths remaining constant over time. Contractional deformation started at circa 1750 +/- 400 ka. Maximum dip-slip rates along individual faults are 1.77 +/- 0.53 and 0.74 +/- 0.22 mm yr(-1) for the 0 - 120 and 120 - 1350...
Tipo: Text Palavras-chave: Slip rate; Fault displacement; Seismic reflection; Reverse fault; Strain; Fault interaction.
Ano: 2005 URL: https://archimer.ifremer.fr/doc/00248/35902/34425.pdf
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Mechanical Behavior of Concrete Modified by Replacement of Cement by Rice Husk Ash BABT
Saravanan,M.M.; Sivaraja,M..
ABSTRACT Construction industry is in need of lump sum quantities of materials which has increased both their demand and price. The use of large quantities of cement leads to increasing CO2 emission and as a consequence, the greenhouse effect. Consumption of wastes and byproducts from various sources in the manufacture of concrete has gained a great deal of importance in present days. Various researches are currently being conducted concerning the use of such products in concrete. RHA is a carbon neutral green product. Lots of ways are being thought of for disposing them by making commercial use of this. Rice husk ash is a good super-pozzolan which can be used to make special concrete mixes. The rice husk ash has been taken for this present study due to its...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Husk ash; Strain; Compressive; Split tensile; Flexural.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132016000300608
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Molecular demonstration of intermittent shedding of Leptospira in cattle and sheep and its implications on control Ciência Rural
Rocha,Bruno Ribeiro; Narduche,Lorena; Oliveira,Clara Slade; Martins,Gabriel; Lilenbaum,Walter.
ABSTRACT: For a long time, it has been stated that urine leptospiral shedding is intermittent, which was observed primarily by culturing. However, culturing presents serious limitations, mainly low sensitivity, and failure on detection of leptospires cannot be neglected. PCR presents several advantages, mainly higher sensitivity. The present study aimed to analyze the occurrence of intermittency on leptospiral shedding by PCR in naturally and experimentally infected animals. In this study two experiments were conducted, the first with 60 cows naturally infected from an endemic herd. The second one was conducted in three sheep experimentally infected, each one with a different strain of Leptospira (strains Copenhageni L1-130, Canicola LO-4 and Pomona...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cows; Intermittent; PCR; Sheep; Strain.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000800453
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Morphological changes of the intestinal mucosa of broilers and layers as affected by fasting before sample collection Rev. Bras. Ciênc. Avic.
Zavarize,KC; Sartori,JR; Gonzales,E; Pezzato,AC.
The present study aimed at evaluating the histo-morphological changes resulting from different fasting periods before the collection of tissue samples in different segments of the small intestine (duodenum, jejunum and ileum) of 7-d-old male chicks of a broiler and a layer strain. A completely randomized experimental design in in a 2x7 factorial arrangement, being two strains with different growth rates (Ross 308 and HyLine® W36) and seven fasting periods (0, 2, 4, 6, 8, 10 and 12 hours ), with six replicates, totaling 84 birds. The comparison of the morphometrics of the duodenum, jejunum and ileum of broiler and layer chicks demonstrated faster digestive tract development in broilers relative to layers. The fasting period caused morphological changes in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fasting; Intestine; Morphology; Organs; Strain.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2012000100004
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Morphological characteristics of ovarian development of two Nile tilapia (Oreochromis niloticus) strains in mixed-culture systems Arq. Bras. Med. Vet. Zootec.
Neves,P.R.; Natali,M.R.M.; Ribeiro,R.P.; Vargas,L.; Maehana,K.R.; Marengoni,N.G..
This study was carried out to morphologically characterize and classify the stages of gonad development in different Nile tilapia strains (Oreochromis niloticus). Eighty-four and ninety-two ovaries from Bouaké and Chitralada strains, respectively, were evaluated at different ovarian developmental phases: initial (104 days of culture), intermediate (152 days of culture), and the final (279 days of culture). The ovaries were microscopically evaluated and submitted to histological processing and hematoxylin-eosin staining to determine their characteristics and be classified. No morphological differences in ovaries between strains were observed during the initial phase (stage A - immature). During the intermediate growing phase, higher gonad development was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Oreochromis niloticus; Morphology; Ovarian development; Strain.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352009000500021
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Obtención de híbridos mejorados de shii-take (lentinula edodes) para fortalecer la tranferencia de su tecnología. Colegio de Postgraduados
Galván Pallach, Fernando.
Esta investigación consistió en formar híbridos entre diferentes cepas de Lentinula edodes que presentaran equivalentes o mejores resultados y características que sus cepas progenitoras, Se evaluaron 16 cepas de Lentinula edodes. Para después realizar cruzas DI-MON entre las cepas de Lentinula edodes y los monospóricos de la cepa CP-7, y cruzas MON-MON entre los monospóricos de la cepa CP-7 y CP-188. Para el crecimiento micelial en masters, los híbridos DI-MON [97] X [7]32, [189] X [7]11 y [95] X [7]11, fueron los más precoces. Para el crecimiento micelial en bolsas, las cepas CP-172, CP-174, CP-188*, CP-97, CP-189, CP-7*, CP-163 y el híbrido MON-MON [7]32 X [188]29, fueron los mas precoces. Para la formación de costra café, el híbrido MON-MON [7]32 X...
Tipo: Tesis Palavras-chave: Lentinula edodes; Cepa; Híbrido; Crecimiento micelial; Fructificación; Maestría; EDAR; Estrategías para el Desarrollo Agrícola Regional; Strain; Hybrid; Mycelial growth; Fruiting.
Ano: 2008 URL: http://hdl.handle.net/10521/1452
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Physiological Responses of Slow-Growing Chickens under Diurnally Cycling Temperature in a Hot Environment Rev. Bras. Ciênc. Avic.
Mutibvu,T; Chimonyo,M; Halimani,TE.
ABSTRACT Free-range chicken production has significantly increased in recent years and it often entails exposing birds to cyclic environmental conditions. The objective of the current study was to investigate the effect of bird strain and sex, and rearing system on the physiological responses of Potchefstroom Koekoek (PK), Ovambo (OV) and Naked Neck (NN) chickens reared in a hot environment. Body weight (BW), rectal temperature (RT), respiratory rate (RR) and heart rate (HR) were determined weekly for 4 weeks, in 3 slow-growing chicken strains under cyclic environmental conditions. A total of 288, 20-week old Potchefstroom Koekoek (PK), Ovambo (OV) and Naked Neck (NN) chickens were separated by sex and allocated to extensive and intensive rearing systems....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Extensive; Intensive; Respiratory rate; Heart rate; Strain; Temperature.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2017000400567
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Prospecting of rhizobium for soy cultivation in soils with deficient natural drainage in the pampa biome. Repositório Alice
MATTOS, M. L. T.; CROCHEMORE, A. G.; GALARZ. L. A..
2015
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Biological fixation of nitrogen; Strain; Soy; Lowlands.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1028524
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The importance of endogenous nutrition of chicks from divergent strains for growing tested by deutectomy Rev. Bras. Ciênc. Avic.
Gonzales,E; Leandro,NSM; Dalke,F; Brito,AB; Cruz,CP.
Effects of yolk sac removal (deutectomy) upon performance of chicks from three divergent strains were tested to evaluate the importance of endogenous nutrition on the post-hatch phase. Chicks from three different strains (Hy-Line W98, Cobb 500, and JA57) were submitted to a surgery procedure after hatching. Half of them had the residual yolk removed, and the other constituted a sham-deutectomized group. After operation, chicks were designated to a 3 x 2 factorial design (3 strains x 2 presence/absence of yolk sac), in a total of six experimental groups and ten replications of two to four birds. During 14 experimental days all birds were fed ad libitum a 21% CP and 3050 kcal/kg EM mash diet. Data were analyzed by ANOVA, and Tukey's test (p<0.05)....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Body weight; Chick; Deutectomy; Strain; Yolk sac.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2008000300006
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Une théorie de plaque sandwich ArchiMer
Mace, M.
The objective of this paper is to present a new two-dimensional plate theory inside which a very thin layer is sandwiched. Based upon a prescribed displacement field and a shear stress field fulfilling continuity conditions at the interfaces, this model takes into account the shearing strain due to the high rigidity ratio between the thick skins and the thin film. It is also shown how the present theory was assessed when calculating a rectangular sandwich plate for which Pagano proposed an "exact" three-dimensional solution.
Tipo: Text Palavras-chave: Mathematical models; Strain; Shear strength; Ship technology; Composite materials; Cisaillement; Film mince; Théorie de plaque sandwich; Calculs de structures composites.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-1082.pdf
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Viscosity of egg white from hens of different strains fed with commercial and natural additives Ciênc. Tecnol. Aliment.
Spada,Fernanda Papa; Gutierrez,Érika Maria Roel; Souza,Miriam Coelho de; Brazaca,Solange Guidolin Canniatti; Lemes,Dayane Elizabeth Aoqui; Fischer,Flávia Salgado; Coelho,Antonio Augusto Domingos; Savino,Vicente José Maria.
Yolk color and egg white (albumen) cleanliness and viscosity are important parameters by which consumers judge the quality of eggs. This study aimed to investigate changes in albumen viscosity during storage of eggs for up to 36 days from two different commercial laying hen strains (Carijo Barbada and Isa Brown) fed a diet containing annatto (1.5 and 2.0%) or a synthetic additive without synthetic colorants (control). Analyses of humidity, albumen height, pH, viscosity, foam formation, and stability were carried out on eggs. Carijo Barbada strain had smaller albumen, lower humidity and higher egg white viscosity than Isa Brown strain; however, with storage, viscosity lowered significantly on both strains. Initially, the addition of 2.0% of annatto or a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Strain; Egg; Foam formation; Foam stability; PH; Albumen height.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612012000100007
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酸楊桃接菌式發酵之研究 Taiwan Agricultural Research Institute
楊淑惠; 王惠亮; Shu-Hui Yang;Hui-Liang Wang.
[[abstract]]由傳統楊桃汁醃漬法中分離之菌種以酵母菌為主,初步鑑定出Candida pelliculosa,C. inconspicua,C. ciferrii,Saccharomy ces cerevisiae等,在傳統醃漬過程中,會有少量醋酸產生,其可滴定酸度、草酸、抗壞血酸及胺基態氮等的含量經醃漬後會有較明顯的減少,以接菌式發酵製造之楊桃汁,因發酵時間短,未有醋酸被測得,而其他有機酸、pH值、酸度、粗蛋白質及胺基態氮等的含量變化並不明顯。糖類在醃漬發在醃漬發酵初期即被大量消耗,到中,後期已無法測得。傳統醃漬楊桃汁的嚐好性品評得分1.0─4.0分不等,接菌式發酵楊桃汁的嚐好性品評得分3.0分。
Palavras-chave: 酸楊桃 發酵 菌株 接菌 成份 Tart carambola; Fermentation; Strain; Inoculating; Copmposition [[classification]]15.
Ano: 1996
Registros recuperados: 20
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