Academic literature on the topic 'Crayfish. [from old catalog]'

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Journal articles on the topic "Crayfish. [from old catalog]"

1

Kouba, A., J. Hamáčková, M. Buřič, T. Policar, and P. Kozák. "Use of three forms of decapsulated Artemia cysts as food for juvenile noble crayfish (Astacus astacus)." Czech Journal of Animal Science 56, No. 3 (March 15, 2011): 114–18. http://dx.doi.org/10.17221/1301-cjas.

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Summerling (six-month old) noble crayfish fed two forms of freshly decapsulated (FD) Artemia cysts more than tripled their weight during a 75-day experiment under controlled conditions. Final survival rates were at the level of 90%. Feeding commercially available industrially decapsulated cysts resulted in both poor growth and reduced survival (22.2%). Therefore FD Artemia cysts may be an effective diet for crayfish culture, but dehydrated industrially decapsulated (DID) cysts should be used with caution to avoid products of low quality. That should be considered especially in slow feeders such as crayfish because of leaching of nutrients from DID cysts. Costs of the processing of freshly decapsulated cysts are discussed.
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2

Taqwa, Ferdinand Hukama, Yulisman, and I. S. Yulian. "The Use of Fresh Cogongrass as Transportation Media with Level Dry System for Broodstock of Crayfish on Various Old Time." Jurnal Pengolahan Hasil Perikanan Indonesia 17, no. 3 (January 15, 2015): 197. http://dx.doi.org/10.17844/jphpi.v17i3.8906.

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The research was to determine the effect of the use of fresh cogongrass as media packaging filler on survival rate of broodstock of crayfish that transported with level dry system for 24, 48, dan 72 hours which randomized completely design experiment. The research preparation were media preparation of pond water, preparation of filler material and preparation of experimental animal (3 days adaptation after arrived from producer and starvation for 24 hours). The major research were anestetion of broodstock of crayfish with direct sock of low temperature at 12oC for ±5 minutes, transportation experiment of broodstock with fresh cogongrass as material filler. The result showed that the use of fresh cogongrass on various old time of dry level system has a significantly different to time of recovery and survival rate of broodstock of crayfish after tranforted. The fastest time of recovery was 89.55 seconds for 24 hours transportation and significantly different with time of transportation for 48 hours and 72 hours. The survival rate after tranported the highest was 98.89% for 24 hours transportation and significantly different with time of transportation for 48 hours and 72 hours. This research showed that the use of fresh cogongrass as material packaging filler of dry level system was still effective until 48 hours.<br />Keywords: afresh cogongrass, broodstock of crayfish, various old time transportation, level dry system
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3

Bomfleur, Benjamin, Thomas Mörs, Marco Ferraguti, Marcelo A. Reguero, and Stephen McLoughlin. "Fossilized spermatozoa preserved in a 50-Myr-old annelid cocoon from Antarctica." Biology Letters 11, no. 7 (July 2015): 20150431. http://dx.doi.org/10.1098/rsbl.2015.0431.

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The origin and evolution of clitellate annelids—earthworms, leeches and their relatives—is poorly understood, partly because body fossils of these delicate organisms are exceedingly rare. The distinctive egg cases (cocoons) of Clitellata, however, are relatively common in the fossil record, although their potential for phylogenetic studies has remained largely unexplored. Here, we report the remarkable discovery of fossilized spermatozoa preserved within the secreted wall layers of a 50-Myr-old clitellate cocoon from Antarctica, representing the oldest fossil animal sperm yet known. Sperm characters are highly informative for the classification of extant Annelida. The Antarctic fossil spermatozoa have several features that point to affinities with the peculiar, leech-like ‘crayfish worms' (Branchiobdellida). We anticipate that systematic surveys of cocoon fossils coupled with advances in non-destructive analytical methods may open a new window into the evolution of minute, soft-bodied life forms that are otherwise only rarely observed in the fossil record.
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4

Urban, S. E., and G. L. Wycoff. "Densifying the Optical Reference Frame: The Tycho-2 Catalog of 2.5 Million Stars." International Astronomical Union Colloquium 180 (March 2000): 75–79. http://dx.doi.org/10.1017/s0252921100000130.

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AbstractSince the establishment of the Hipparcos Catalog as the defining source of the optical reference frame, densification beyond its ≈ 120,000 stars has been made possible by the utilization of the Tycho-1 Catalog. The ACT, combining the old Astrographic Catalog (AC) data with the Tycho-1 positions, is the best known example of this. The Tycho-2 consortium, led by E. Høg, has performed new reductions on the Tycho data. This not only has increased the astrometric and photometric accuracies of the original 1 million Tycho-1 stars, but also has added an additional 1.5 million stars. The U.S. Naval Observatory led the effort to compute the proper motions of these 2.5 million stars. They are based not only on the AC data but also include over 140 other ground-based catalogs, all directly reduced to the Hipparcos system. The result of these efforts is the Tycho-2 Catalog, available since February 2000. Positions, proper motions, and BT and VT magnitudes are given for 2.5 million stars. The catalog is 99% complete to V=11.0, and 90% complete to V=11.5. Positional accuracies at the mean epochs vary from < 10 mas for stars V < 9 to just under 100 mas for V > 12. Proper motion accuracies are estimated to be 1.3 mas/year to 3.0 mas/year for the same magnitude ranges. Photometric accuracies range from 0.02 magnitudes for the brightest stars to 0.25 magnitudes for the faintest.
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5

Ivezić, Ž., D. G. Monet, N. Bond, M. Jurić, B. Sesar, J. A. Munn, R. H. Lupton, et al. "Astrometry with digital sky surveys: from SDSS to LSST." Proceedings of the International Astronomical Union 3, S248 (October 2007): 537–43. http://dx.doi.org/10.1017/s1743921308020103.

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AbstractMajor advances in our understanding of the Universe have historically come from dramatic improvements in our ability to accurately measure astronomical quantities. The astrometric observations obtained by modern digital sky surveys are enabling unprecedentedly massive and robust studies of the kinematics of the Milky Way. For example, the astrometric data from the Sloan Digital Sky Survey (SDSS), together with half a century old astrometry from the Palomar Observatory Sky Survey (POSS), have enabled the construction of a catalog that includes absolute proper motions as accurate as 3 mas/year for about 20 million stars brighter than V=20, and for 80,000 spectroscopically confirmed quasars which provide exquisite error assessment. We discuss here several ongoing studies of Milky Way kinematics based on this catalog. The upcoming next-generation surveys will maintain this revolutionary progress. For example, we show using realistic simulations that the Large Synoptic Survey Telescope (LSST) will measure proper motions accurate to 1 mas/year to a limit 4 magnitude fainter than possible with SDSS and POSS catalogs, or with the Gaia survey. LSST will also obtain geometric parallaxes with accuracy similar to Gaia's at its faint end (0.3 mas at V=20), and extend them to V=24 with an accuracy of 3 mas. We discuss the impact that these LSST measurements will have on studies of the Milky Way kinematics, and potential synergies with the Gaia survey.
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6

Girelli, Giacomo, Micol Bolzonella, and Andrea Cimatti. "Massive and old quiescent galaxies at high redshift." Astronomy & Astrophysics 632 (December 2019): A80. http://dx.doi.org/10.1051/0004-6361/201834547.

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Aims. Questions of how massive quiescent galaxies rapidly assembled and how abundant they are at high redshift are increasingly important in the study of galaxy formation. Looking at these systems can shed light on the processes of galaxy mass assembly and quenching of the star formation at early epochs. In order to address these questions, we aim to identify and characterize massive quiescent galaxies from z ∼ 2.5 out to the highest redshifts at which these systems can be found. The final purpose is to compare the results with the predictions of state-of-the-art semi-analytical models of galaxy formation and evolution. Methods. We defined observer-frame color–color diagrams to optimally select quiescent galaxies at z > 2.5 and applied them to the COSMOS2015 catalog. We refined the spectral energy distribution (SED) fitting analysis for the selected candidates to confirm their quiescent nature, then derived their number density, mass density, and stellar mass functions. Finally, we compared the results with previous observations and some current semi-analytic models. Results. We selected candidates for quiescent galaxies in the redshift range 2.5 ≲ z ≲ 4.5 from the COSMOS2015 catalog by means of two color–color diagrams. The additional SED fitting analysis allowed us to select 128 galaxies, consistent with being massive (log(M*/M⊙)≥10.6), old (ages ≳0.5 Gyr), and quiescent (log(sSFR [yr−1]) ≤ −10.5) objects at high redshift (2.5 < z < 4.5). Their number and mass densities are in fair agreement with previous observations and, if confirmed, show a discrepancy with current semi-analytical models of galaxy formation and evolution, that underpredict the number of massive quiescent systems up to a factor of ∼12 at 2.5 ≤ z < 3.0 and ∼10 at z ∼ 4.0. The evolution of the stellar mass functions (SMFs) of these systems is similar to previous estimates and indicates a disagreement with models, particularly with regard to the shape of the SMF. Conclusions. The present results add further evidence to the possibility that massive and quiescent galaxies can exist out to at least z ∼ 4. If future spectroscopic observations carried out with, for example, the James Webb Space Telecope (JWST), confirm the substantial presence of such a population, further work on modeling the stellar mass assembly, as well as supermassive black hole accretion and feedback processes at early cosmic epochs, is needed to understand how these systems formed, evolved, and quenched their star formation.
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7

Yuan, Ye, Fan Li, Yanning Fu, and Shulin Ren. "New precise positions in 2013–2019 and a catalog of ground-based astrometric observations of 11 Neptunian satellites (1847–2019) based on Gaia-DR2." Astronomy & Astrophysics 645 (January 2021): A48. http://dx.doi.org/10.1051/0004-6361/202038776.

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Context. Developing high-precision ephemerides for Neptunian satellites requires not only the continuation of observing campaigns but also the collection and improvement of existing observations. So far, no complete catalogs of observations of Neptunian satellites are available. Aims. We aim to provide new, precise positions, and to compile a catalog including all available ground-based astrometric observations of Neptunian satellites. The observations are tabulated in a single and consistent format and given in the same timescale, the Terrestrial Time (TT), and reference system, the International Celestial Reference System (ICRS), including necessary changes and corrections. Methods. New CCD observations of Triton and Nereid were made at Lijiang 2.4-m and Yaoan 0.8-m telescopes in 2013–2019, and then reduced based on Gaia-DR2. Furthermore, a catalog called OCNS2019 (Observational Catalog of Neptunian Satellites (2019 version)) was compiled, after recognizing and correcting errors and omissions. Furthermore, in addition to what was considered for the COSS08 catalog for eight main Saturnian satellites, all observed absolute and relative coordinates were converted to the ICRS with corrections for star catalog biases with respect to Gaia-DR2. New debiasing tables for both the modern and old star catalogs, which were previously not provided based on Gaia-DR2, are developed and applied. Treatment of missing positions of comparison bodies in conversions of observed relative coordinates are proposed. Results. OCNS2019 and the new debiasing tables are publicly available online. OCNS2019 includes 24996 observed coordinates of 11 Neptunian satellites obtained over 3741 nights from 1847 to 2019. All observations are given in TT and ICRS. The star catalog biases are removed, which are significant for Nereid and outer satellites. We obtained 880 (5% of total now available) new coordinates for Triton over 41 nights (1% of total observation nights so far), and 790 (14%) for Nereid over 47 nights (10%). The dispersions of these new positions are about 0.″03 for Triton and 0.″06 for Nereid. Conclusions. OCNS2019 should be useful in improving ephemerides for the above-mentioned objects.
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8

Yuan, Ye, Fan Li, Yanning Fu, and Shulin Ren. "New precise positions in 2013–2019 and a catalog of ground-based astrometric observations of 11 Neptunian satellites (1847–2019) based on Gaia-DR2." Astronomy & Astrophysics 645 (January 2021): A48. http://dx.doi.org/10.1051/0004-6361/202038776.

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Context. Developing high-precision ephemerides for Neptunian satellites requires not only the continuation of observing campaigns but also the collection and improvement of existing observations. So far, no complete catalogs of observations of Neptunian satellites are available. Aims. We aim to provide new, precise positions, and to compile a catalog including all available ground-based astrometric observations of Neptunian satellites. The observations are tabulated in a single and consistent format and given in the same timescale, the Terrestrial Time (TT), and reference system, the International Celestial Reference System (ICRS), including necessary changes and corrections. Methods. New CCD observations of Triton and Nereid were made at Lijiang 2.4-m and Yaoan 0.8-m telescopes in 2013–2019, and then reduced based on Gaia-DR2. Furthermore, a catalog called OCNS2019 (Observational Catalog of Neptunian Satellites (2019 version)) was compiled, after recognizing and correcting errors and omissions. Furthermore, in addition to what was considered for the COSS08 catalog for eight main Saturnian satellites, all observed absolute and relative coordinates were converted to the ICRS with corrections for star catalog biases with respect to Gaia-DR2. New debiasing tables for both the modern and old star catalogs, which were previously not provided based on Gaia-DR2, are developed and applied. Treatment of missing positions of comparison bodies in conversions of observed relative coordinates are proposed. Results. OCNS2019 and the new debiasing tables are publicly available online. OCNS2019 includes 24996 observed coordinates of 11 Neptunian satellites obtained over 3741 nights from 1847 to 2019. All observations are given in TT and ICRS. The star catalog biases are removed, which are significant for Nereid and outer satellites. We obtained 880 (5% of total now available) new coordinates for Triton over 41 nights (1% of total observation nights so far), and 790 (14%) for Nereid over 47 nights (10%). The dispersions of these new positions are about 0.″03 for Triton and 0.″06 for Nereid. Conclusions. OCNS2019 should be useful in improving ephemerides for the above-mentioned objects.
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9

Marquis, Kathy. "Peter Devereaux and Carla Diane Hayden. The Card Catalog: Books, Cards, and Literary Treasures." RBM: A Journal of Rare Books, Manuscripts, and Cultural Heritage 19, no. 1 (May 17, 2018): 71. http://dx.doi.org/10.5860/rbm.19.1.71.

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In an early archives job, I typed the name and subject entries at the top of card sets we received from the Library of Congress. It was exacting work and I really enjoyed it, including the filing. At a venerable manuscript repository, the cards ranged from the printed ones I placed on top of the rods (to be double-checked before they slipped into their forever homes) and those written in a spidery handwriting that could easily have been 100 years old. It made me feel part of a long tradition of information mavens.
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10

Kumkova, Irina I., Vadim V. Bobylev, and Nina M. Bronnikova. "Densification of ICRS in the Optical by use of Old Pulkovo Observation Sets." International Astronomical Union Colloquium 180 (March 2000): 61–67. http://dx.doi.org/10.1017/s0252921100000117.

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AbstractModern tasks of high precision astrometry demand optical coordinate systems including more faint stars than are available now in current conventional systems (Hipparcos). For this purpose it is suggested to use old photographic observations accumulated in the Pulkovo Observatory. Extensive observational data have been obtained at Pulkovo Observatory during the last century in the framework of several programs, e.g. Pulkovo Galaxy plan, etc. Observations have been made with the Normal Astrograph from 1894 to the present. The data are investigated with the aim of extending the Hipparcos catalog to stars fainter than 11th magnitude. All available observations are taken into account. A description of the material considered is given. The distribution of the selected plates over the celestial sphere is shown as well. Coordinates of faint stars in the Hipparcos system are calculated for selected areas. The accuracy of computed star coordinates is analyzed. Results of the investigation are presented.
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Books on the topic "Crayfish. [from old catalog]"

1

Paulsen, Jasper, ed. Diamond Design: A Study of the Reflection and Refraction of Light in a Diamond. Seattle, USA: Folds.net, 2001.

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Jinan lü you zhi nan. Beijing: Zhongguo lü you chu ban she, 1985.

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Bascom, Robert O. The Fort Edward book: Containing some historical sketches with illustrations and family records. Peru, NY: Bloated Toe Publishing, 2012.

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Raúl, Aguilar Piedra, ed. Bosquejo de la república de Costa Rica. Alajuela, Costa Rica: Museo Histórico Cultural Juan Santamaría, 2001.

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Powers, Grant. An address delivered on the centennial celebration, to the people of Hollis, N.H., September 15th, 1830. Dunstable, N.H: Thayer and Wiggin, 1985.

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Sergo, Herman. Vihavald. [Tallinn]: Pegasus, 2008.

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Dzieje Polski do XIV stulecia. Poznań: Wydawn. Poznańskiego Tow. Przyjaciół Nauk, 2005.

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Bosquejo de la república de Costa Rica: Seguido de, apuntamientos para su historia con varios mapas, vistas y retratos. San José, Costa Rica: EUNED, Editorial Universidad Estatal a Distancia, 2007.

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Will, Georg Andreas. Nürnbergisches Gelehrten-Lexicon: Oder, Beschreibung aller nürnbergischen Gelehrten beyderley Geschlechtes nach ihrem Leben, Verdiensten und Schrifften zur Erweiterung der gelehrten Geschichts-Kunde und Verbesserung vieler darinnen vorgefallenen Fehler, aus den besten Quellen in alphabetischer Ordnung verfasset. Neustadt an der Aisch: Verlag Christoph Schmidt, 1997.

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Fifteen decisive battles of the world: From Marathon to Waterloo. New York: Da Capo Press, 1994.

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Book chapters on the topic "Crayfish. [from old catalog]"

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Friberg, Jöran, and Farouk N. H. Al-Rawi. "Goetze’s Compendium from Old Babylonian Shaduppûm and Two Catalog Texts from Old Babylonian Susa." In New Mathematical Cuneiform Texts, 391–419. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44597-7_10.

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Zelenskaya, Galina M., and Svetlana K. Sevastyanova. "Corpus of Patriarch Nikon’s Inscriptions on “Sacred Things”: Questions of Textology and Architectural and Artistic Design." In Hermeneutics of Old Russian Literature: Issue 20, 479–547. А.M. Gorky Institute of World Literature of the Russian Academy of Sciences, 2021. http://dx.doi.org/10.22455/horl.1607-6192-2021-20-479-547.

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In the vast and varied written heritage of Metropolitan and Patriarch Nikon, the inscriptions on the “holy things” that were written with the participa- tion of, or on his behalf, occupy a special place. These texts, different in volume and content, exist as notes on sheets of manuscript and early printed books, in the form of belts and compositions of tiled temple decoration, as well as on an- timenes, crosses, icons, bells, liturgical vessels, and seals. Many of them by their origin and location are associated with the patriarchal monasteries — the Resur- rection in New Jerusalem near Moscow, the Iversky Svyatoozersky in Valdai and the Onega Godfather on the Kiy-island. The corpus of the inscriptions, united by the name of the Primate, has never been studied in its entirety and systematically. The authors of the article attempted to fill these gaps by applying an integrated approach in the study. They prepared on the principle of a catalog a register of “holy things” — sacred objects that make up a single whole with the texts present- ed on them. The inscriptions are classified according to the functional purpose of the objects on which they are located. The groups of annals-historical, spiritual- educational, liturgical, historical-topographic, supplementary and owner’s in- scriptions are distinguished. Historical and philological research of texts is com- plemented by an analysis of the symbolic and semantic aspects of their architectur- al and artistic design. The inscriptions appear in the context of the iconic work of Patriarch Nikon, including hierotopic, iconographic and architectural programs, embodied with the participation of masters from Great, Small and White Russia. A comprehensive study allowed us to see the inscriptions and the personality of His Holiness Nikon from a perspective that reveals the richest spectrum of litur- gical, church-historical, patristic and artistic traditions of Old Russia, combined with new trends melted down in the furnace of Orthodoxy.
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