5,423 research outputs found
Analisis Kandungan Nutrisi Gracilaria Edule (S.G. Gmelin) P.C. Silva dan Gracilaria Coronopifolia J. Agardh untuk Pengembangan Perekonomian Masyarakat Pesisir: Nutrition Content Analysis To Gracilaria edule (S.G. Gmelin) P.C. Silva and Gracilaria coronopifolia J. Agardh For Economic Development Of Coastal Communities
No full textFood is a basic human need. Development of nutritious food can be done by utilizing marine natural resources such as seaweed that utilization is not optimal. This study aims to determine the composition of total nutrients (ash content, water content, carbohydrates, fats and proteins) of red seaweed Gracilaria edule (S.G. Gmelin) P.C. Silva and Gracilaria coronopifolia J. Agardh. Proximate analysis using Apriyantono, et al, modified method. Research shows that Gracilaria edule (S.G. Gmelin) P.C. Silva has higher fat content than Gracilaria coronopifolia J. Agardh which is 18,99%; for carbohydrate levels, Gracilaria coronopifolia J. Agardh has higher carbohydrate content than Gracilaria edule (S.G. Gmelin) P.C. Silva is 1.38%; while for protein content has the same protein content that is 0,01%. Water content in seaweed Gracilaria edule (S.G. Gmelin) P.C. Silva higher water content than Gracilaria coronopifolia J. Agardh that is 72,95%%; For ash content, seaweed Gracilaria coronopifolia J. Agardh has higher ash content than Gracilaria edule (S.G. Gmelin) P.C. Silva and for coarse fiber, seaweed Gracilaria edule (S.G. Gmelin) P.C. Silva is higher that is 7.62%. Seaweed contains many essential nutrients necessary for the human body, such as Protein, Carbohydrates and Rough Fiber. Its low fat content and high coarse fiber make seaweed good for consumption. Thus, Gracilaria edule (S.G. Gmelin) P.C. Silva and Gracilaria coronopifolia J. Agardh can be developed into functional food so as to increase market demand and coastal economy can also increase
Analisis Kandungan Nutrisi Gracilaria Edule (S.G. Gmelin) P.C. Silva dan Gracilaria Coronopifolia J. Agardh untuk Pengembangan Perekonomian Masyarakat Pesisir
No full textFood is a basic human need. Development of nutritious food can be done by utilizing marine natural resources such as seaweed that utilization is not optimal. This study aims to determine the composition of total nutrients (ash content, water content, carbohydrates, fats and proteins) of red seaweed Gracilaria edule (S.G. Gmelin) P.C. Silva and Gracilaria coronopifolia J. Agardh. Proximate analysis using Apriyantono, et al, modified method. Research shows that Gracilaria edule (S.G. Gmelin) P.C. Silva has higher fat content than Gracilaria coronopifolia J. Agardh which is 18,99%; for carbohydrate levels, Gracilaria coronopifolia J. Agardh has higher carbohydrate content than Gracilaria edule (S.G. Gmelin) P.C. Silva is 1.38%; while for protein content has the same protein content that is 0,01%. Water content in seaweed Gracilaria edule (S.G. Gmelin) P.C. Silva higher water content than Gracilaria coronopifolia J. Agardh that is 72,95%%; For ash content, seaweed Gracilaria coronopifolia J. Agardh has higher ash content than Gracilaria edule (S.G. Gmelin) P.C. Silva and for coarse fiber, seaweed Gracilaria edule (S.G. Gmelin) P.C. Silva is higher that is 7.62%. Seaweed contains many essential nutrients necessary for the human body, such as Protein, Carbohydrates and Rough Fiber. Its low fat content and high coarse fiber make seaweed good for consumption. Thus, Gracilaria edule (S.G. Gmelin) P.C. Silva and Gracilaria coronopifolia J. Agardh can be developed into functional food so as to increase market demand and coastal economy can also increase.</jats:p
Nonequilibrium and classical dissipation scalings in DNS of homogeneous isotropic decaying turbulence
No full textWe present data from direct numerical simulations of homogeneous isotropic decaying turbulence showing both the non-equilibrium and the classical dissipation scalings reported in wind-tunnel experiments of both regular and fractal grid-generated turbulence, i.e. Cε ∼ (Re0/Reλ)n with n of order unity and Cε ∼ constant, respectively (Re0 and Reλ are global and local Reynolds numbers). These two dissipation behaviours lead to different power-law decay exponents in both regimes also in accord with the experiments. Finally, we show that in both regimes the maximum non-linear energy cascade flux, Π, reasonably satisfies the classical expectation that Π ∼ K3/2/l
Active commuting reduces sociodemographic differences in adherence to recommendations derived from leisure-time physical activity among Brazilian adults
No full textAbstract not availableG.F. Del Duca, M.V. Nahas, L.M.T. Garcia, S.G. Silva, P.C. Hallal, M. A. Pere
Interview With P.C. Hodgell
No full textP.C. Hodgell, author of God Stalk and Dark of the Moon, was one of the many authors who attended Mythcon XIX in Berkeley last summer. She was good enough to meet with the Mythic Circle writers\u27 roundtable and share some of her experiences with us. The following is transcribed from a low-quality tape; when it was possible to recognize a speaker’s voice I have identified them - others are noted as ct. Hope you enjoy it
Acetabularia acetabulum P. C. Silva
No full textMadrepora acetabulum Linnaeus, Systema Naturae, ed. 10, 1: 793. 1758. "Habitat in O. Europaeo, Americano." Basionym of: Tubularia acetabulum (L.) L. (1767). Lectotype (John in Spencer & al. in Taxon, in press): [icon] “Acetabulum” in Tournefort, Inst. Rei Herb.: 569, t. 338. 1700. Current name: Acetabularia acetabulum (L.) P.C. Silva (Dasycladaceae).Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part M), pp. 651-689 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 651, DOI: 10.5281/zenodo.29197
Hormophysa cuneiformis P. C. Silva
No full textFucus triqueter Linnaeus, Mantissa Plantarum Altera: 312. 1771, nom. illeg. "Habitat in Mari Capensi. Koenig." RCN: 8324. Lectotype (Irvine in Spencer & al. in Taxon, in press): Herb. Linn. No. 1274.8 (LINN). Current name: Hormophysa cuneiformis (J.F. Gmel.) P.C. Silva (Cystoseiraceae). Note: A later homonym of Fucus triqueter Gmelin (1768), and hence illegitimate (see Spencer & al. in Taxon, in press).Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part F), pp. 516-528 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 526, DOI: 10.5281/zenodo.29197
La rhodophycée <i>Gelidium spinosum</i> (S.G. Gmelin) P.C. Silva, des côtes de Monastir (Tunisie) : quelques éléments hydrobiologiques et potentialités en agar-agar
No full textLa rhodophycée Gelidium spinosum (S.G. Gmelin) P.C. Silva (Rhodophycées ; Gélidiales) a été étudiée pendant une année, depuis septembre 2000 jusqu’à août 2001, sur la côte de Monastir (Est de la Tunisie). Les résultats globaux obtenus montrent que le poids humide maximum (environ 37 g/individu) a été atteint en mai. La longueur maximale (environ 11 cm) a été enregistrée en juin. La biomasse maximale en poids humide (environ 7000 g/m2) a été obtenue en mai. Quant à la fertilité, elle a varié entre 0%(Mai) et 100% (Septembre, Juin, Juillet et Août). Concernant le rendement en agar, le maximum a été obtenu en avril (33.4 % du poids sec), La force de gel maximale a atteint environ 705 g.cm-² (juin). Le point de gélification et le point de fusion les plus élevés ont été obtenus respectivement en août (34.33°C) et septembre (94.33°C).Mots-clés : Gelidium spinosum, poids, longueur, biomasse, fertilité, agar-agar
The rhodophyta Gelidium spinosum (S.G. Gmelin) P.C. Silva of Monastir coastline : a light on some hydrobiological aspects
No full textفي هذه الدراسة تمت متابعة الطحلب الأحمر Gelidium spinosum على سواحل المنستير منذ سبتمبر 2000 إلى أوت 2001 و أبرزت النتائج المتحّصل عليها أن الوزن الأقصى تم تسجيله في ماي وهو حوالي 37غ أما الطول الأقصى (11 صم) فقد تم الحصول عليه في شهر جوان . و أما الكتلة الحيوية الأعلى فقد تم التحصل عليها في شهر ماي (حوالي 7 كغ/م2) . أما نسبة الخصوبة فتراوحت بين 0 و 100% .
كل هذه النتائج بينت لنا أن الطحلب Gelidium spinosum هو نبتة معمرة لكن حضورها متميز أكثر في الربيع والصيف .La rhodophycée Gelidium spinosum (S.G. Gmelin) P.C. Silva (Rhodophycées (Gelidiales .Rhodophyta ) a été étudiée pendant une année, depuis septembre 2000 jusqu’à août 2001 , sur la côte de Monastir (Tunisie) . Les résultats globaux obtenus montrent que le poids humide moyen maximum (environ 37 g /individu) a été atteint en mai. La longueur maximale (environ 11 cm) a été enregistrée en juin. La biomasse maximale (environ 7000g poids humide/ m2) a été obtenue en mai. Quant à la fertilité, elle a varié entre 0%(Mai) et 100% (Septembre, Juin, Juillet et Août) .The red algae Gelidium spinosum (Gelidiales .Rhodophyta ) was studied throughout a year, since September 2000 to August 2001,along Monastir coasts
(East of Tunisia).Main results showed that the average of wet weight was obtained in May (37 g/ individual).In June, we have recorded the maximum of length (about 11 cm).Wet biomass has reached its maximum in May (7000g wet weight/ m-2 ).The fertility varied between 0 and 100%(September, June, July and August).Publishe
Inexpensive Two-tip Nanomanipulator For A Sem
No full textOne of the major obstacles for nanotechnology progress is the lack of effective tools and processes to build, characterize and manipulate nanosystems. Here, we present the development of a low-cost nanomanipulator with two probe tips that operates inside a scanning electron microscope. This manipulation system is based on parallel-guiding-plate-spring mechanism and inexpensive materials. The movements are divided on coarse and fine displacements, which are based on picomotors and piezoelectric elements, respectively. The nanomanipulator was applied to transport and manipulate nanotubes and semiconductor nanowires. The probe tips have independent electrical contacts, so that electrical two point measurements can be performed in situ. The system is expected to be a valuable tool for research laboratories working with nanostructures. © 2007 Elsevier B.V. All rights reserved.2541 SPEC. ISS.405411Junno, T., Deppert, K., Montelius, L., Samuelson, L., Controlled manipulation of nanoparticles with an atomic force microscope (1995) Appl. Phys. Lett., 66, pp. 3627-3629Falvo, M.R., Clary, G.J., Taylor, R.M., Chi, V., Brooks, F.P., Washburn, S., Superfine, R., Bending and buckling of carbon nanotubes under large strain (1997) Nature, 389, pp. 582-584Junno, T., Carlsson, S.B., Xu, H.Q., Montelius, L., Samuelson, L., Fabrication of quantum devices by Angström-level manipulation of nanoparticles with an atomic force microscope (1998) Appl. Phys. Lett., 72, pp. 548-550Martin, M., Roschier, L., Hakonen, P., Parts, U., Paalanen, M., Schleicher, B., Kauppien, E.I., Manipulation of Ag nanoparticles utilizing noncontact atomic force microscopy (1998) Appl. Phys. Lett., 73, pp. 1505-1507Eigler, D.M., Schweizer, E.K., Positioning single atoms with a scanning tunneling microscope (1990) Nature, 344, pp. 524-526Nakabayashi, D., Silva, P.C., González, J.C., Rodrigues, V., Ugarte, D., Low-cost nanomanipulator for in situ experiments in a FEG-SEM (2006) Microsci. Microanal., 12, pp. 311-316Yu, M.F., Dyer, M.J., Skidmore, G.D., Rohrs, H.W., Lu, X.K., Ausman, K.D., Von Ehr, J.R., Rouff, R.S., Three-dimensional manipulation of carbon nanotubes under a scanning electron microscope (1999) Nanotechnology, 10, pp. 244-252Kim, K.S., Lim, S.C., Lee, I.B., An, K.H., Bae, D.J., Choi, S., Yoo, J.-E., Lee, Y.H., In situ manipulation and characterizations using nanomanipulators inside a field emission-scanning electron microscope (2003) Rev. Sci. Instrum., 74, pp. 4021-4025Lim, S.C., Kim, K.S., Lee, I.B., Jeong, S.Y., Cho, S., Yoo, J.-E., Lee, Y.H., Nanomanipulator-assisted fabrication and characterization of carbon nanotubes inside scanning electron microscope (2005) Micron, 36, pp. 471-476Howell, L.L., (2001) Compliant Mechanisms, , Wiley-Interscience, New York, USAMelmed, A., The art and science and other aspects of making sharp tips (1991) J. Vac. Sci. Technol. B, 9, pp. 601-608Ekvall, I., Wahlström, E., Claesson, D., Olin, H., Olsson, E., Preparation and characterization of electrochemically etched W tips for STM (1999) Meas. Sci. Technol., 10, pp. 11-18Ibe, J.P., Bey Jr., P.P., Brandow, S.L., Brizzolara, R.A., Burnham, N.A., DiLella, D.P., Lee, K.P., Colton, R.J., On the electrochemical etching of tips for scanning tunneling microscopy (1990) J. Vac. Sci. Technol. A, 8, pp. 3570-3575Nakabayashi, D., Silva, P.C., Ugarte, D., Nanomanipulation and characterization of individual nano-objects inside a SEM (2007) Int. J. Nanotechnol., 4, pp. 609-617Rong, W., Ding, W., Mädler, L., Ruoff, R.S., Friedlander, S.K., Mechanical properties of nanoparticle chain aggregates by combined AFM and SEM: isolated aggregates and networks (2006) Nano Lett., 6, pp. 2646-2655Dai, H.J., Hafner, J.H., Rinzler, A.G., Colbert, D.T., Smalley, R.E., Nanotubes as nanoprobes in scanning probe microscopy (1996) Nature, 384, pp. 147-150Wang, Z.L., (2003) Nanowires and Nanobelts: Material, Properties and Devices. Metal and Semiconductor Nanowires, 1. , Kluwer Academic Publishers, BostonGonzalez, J.C., da Silva, M.I.N., Lozano, X.S., Zanchet, D., Ugarte, D., Ribeiro, E., Gutierrez, H.R., Cotta, M.A., Structural and optical characterization of strained free-standing InP nanowires (2006) J. Nanosci. Nanotechnol., 6, pp. 2182-218
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