... What's a Population . ... It varies, ecologists use the word "population" in several ways; typically a "somewhat isolated collection of individuals." ... There are two "basic models" of population growth. Exponential growth, and logistic growth. ... In logistic growth there are "density-dependent" changes in growth rate that REGULATE population growth. ... The exponential and logistic models treat all individuals in a population the same; but we know that baby's don't reproduce but adults do! ...

If you select Select item, the Data retrieval from observatory list dialog box will appear. Click on one of two radio buttons to the left of data fields intended for observatory code or name and introduce the required data. In case of observatory name it is possible to introduce its fragment. ... If it is necessary to enter new observatory into the list, mark one of the entries with missing data and select Edit in drop-down menu. ... In this case Landscape mode should be selected. ...

This module provides for server-side imagemap processing. ... Configurable generation of imagemap menus. The lines in the imagemap files can have one of several formats: directive value [x,y ...] . ... The directives can come in any order, but are processed in the order they are found in the imagemap file. base Directive . ... Module: mod_imap . ... Its value is overridden by a default directive within the imagemap file. ... Its value is overridden by a base directive within the imagemap file. ...

D.Chumbalov and A.Romashchenko. ... Proc. 40th International Symposium in Mathematical Foundations of Computer Science (MFCS), Part 1. ... Preliminary version: Proc. 6th International Computer Science Symposium in Russia (CSR), 2011.) download: arXiv:1102.5538 , slides: pdf . ... Bulletin of the EATCS (The Logic in Computer Science Column by Yuri Gurevich) no. 97 (2009) pp. 126--136. download: pdf . ... Lecture Notes in Computer Science 5162 Springer 2008 pp. 527-538). download: pdf . ...

... Installing NEdit . ... Selecting, Cutting, and Pasting Text . Finding and Replacing Text . ... Text Filling (Word Wrap) . ... Modifier keys . ... Alt Key . Keyboard Shortcuts . Menu Accelerators . ... Keyboard Shortcuts within Dialogs . ... Arrow Keys . ... Binding Keys to Actions . ... Changing Menu Accelerator Keys . Action Routines . Actions Representing Menu Commands : . Menu Action Routine Arguments: . Keyboard-Only Actions . Arguments to Keyboard Action Routines . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... An artificial comet holds secrets to Earths life . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Watch comets in action . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... Accelerating black holes, spin-2/3fields and C-metric . A TOPOLOGICAL EXTENSION OF GENERAL RELATIVITY TO EXPLORE THE NATURE OF QUANTUM SPACETIME, DARK ENERGY AND INFLATION . EFFECTIVE THEORY FOR QUANTUM GRAVITY . TESTS OF GENERAL RELATIVITY AND ALTERNATIVE THEORIES OF GRAVITY USING GRAVITATIONAL WAVE OBSERVATIONS . ... THE MASS OF THE OPPENHEIMER-SNYDER-BLACK HOLE: ONLY FINITE MASS QUASI-BLACK HOLES . ... NEUTRINO MASS AND THE STANDARD MODEL . Neutrino masses and flavor mixing . ...

The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The term "astronaut" derives from the Greek words meaning "space sailor," and refers to all who have been launched as crew members aboard NASA spacecraft bound for orbit and beyond. Since the inception of NASA's human space flight program, we have also maintained the term "astronaut" as the title for those selected to join the NASA corps of astronauts who make "space sailing" their career profession. ...

Stellarium 0.12.3 . ... Classes . ... StelObjectMgr Class Reference . ... voidљ . selectedObjectChanged ( StelModule::StelModuleSelectAction action) . ... findAndSelect (const StelCore *core, const Vec3d &pos, StelModule::StelModuleSelectAction action= StelModule::ReplaceSelection ) . ... Find and select an object from its translated name. ... findAndSelect (const QString &name, StelModule::StelModuleSelectAction action= StelModule::ReplaceSelection ) . ... getWasSelected (void) const . ...

... S.A. Shevchenko and A.N. Tereshchenko 'Photoluminescence in germanium with a quasi-equilibrium dislocation structure' Physics of the Solid State, 49, No.1, 28-33 (2007) . S.A. Shevchenko and A.N. Tereshchenko 'Peculiarities of dislocation photoluminescence in germanium with quasi-equilibrium dislocation structure' Phys.stat.sol.(c), 4, 2898-2902 (2007) ... top . ... S.A.Shevchenko 'Electroconductivity of germanium with dislocation grids' Zh.Eksp.Teor.Phys.( JETP), 115, N1, p.115 (1999) ... top . ...

In this chapter we will consider two very simple but useful Web agents that I have written on Actor Prolog for my own needs. ... Let us start the Web agent. Fig. ... Start of the Web agent. The Context diagram consists of three blocks: "Logic Programming Sites", "Edit", and "Check". ... Some Web sites that are linked with the logic programming and Prolog are listed in the pulldown list (these addresses are transferred to the "Edit" block from the "Logic Programming Sites" block). ...

. A tree for site navigation will open here if you enable JavaScript in your browser. HOME . ABOUT ST-ECF . CONTACT . Footprintfinder (@STSCI) . DER_SNR: a signal-to-noise ratio estimator (@STSCI) . PyMIDAS (@ESO) . PyRAF (@STScI) . AstoLib (@scipy.org) . Maintained by Richard Hook <rhook@eso.org> .

Klimov,S.I., V.V.Kopeikin, V.V. Krasnosel`skikh, A.M.Natanzon, A.E.Reznikov, M.P.Gough, S.P.Kingsley, T.A.Lachlan-Cope, H.G.Muller, L.J.C.Woolliscroft. ... Space Res., (1990), v.10, No.3-4, (3)35-(3)38. Grard,R., C.Nairn, A.Pedersen, S.Klimov, S.Savin, A.Skalsky, J.G.Trotignon. ... Space Sci., (1991), vol.39, No.1/2, pp.89-98. ... Res. ... Space Res., (1991), vol.11, No.9, pp.( ... Space Res., vol.11, No.9, p.(9)15-(9)18, 1991. ... Adv. space Res., v.11, No.9, p.19-34, 1991. ...

... Спецификация в пределах формы : меню, из которого пользователь может выбрать один или несколько элементов. Меню выбора, которое может быть "активизировано" некоторым зависящим от броузера образом; обычно в графических броузерах это означает ниспадающее меню. ... SELECT NAME= имя > . элементы OPTION . SELECT> . ... OPTION элементы. Пример: <SELECT NAME="flavor"> <OPTION VALUE=a>Vanilla <OPTION VALUE=b>Strawberry <OPTION VALUE=c>Rum and Raisin <OPTION VALUE=d>Peach and Orange </SELECT> . ...

SAI VO . ... SAI CAS . ... main [?] . ... Cross-match your data with our catalogue! User table: Must be valid VOTable or CSV file . Format of the input file: . VOTable - XML-based format . CSV (Comma-Separated Values) - simple text format . CSV format requires names of columns with coordinates. Name of RA column: Dec: . Hint: CSV is a simple text format where the data columns are separated by the comma and the first line contains the names of the corresponding columns. ...

TOOLS OF TEST GENERATION FOR SATELLITES CONTROL PROGRAMS Andrey Tyugashev, Ekaterina Myasnikova, Elena Sopchenko S.P. Korolyov Samara State Aerospace University (National Reseach University) The paper presents a research in the field of test automation for testing spacecraft control programs. ... Programmers or designers of spacecraft systems write tests manually. ... Tests are carried out by issuing the control actions on the spacecraft and condition monitoring systems parameters of the spacecraft. ...

... Hidden Treasures of M78 . ... About 1,600 light-years away and nestled in the nebula rich constellation Orion , the large, bright, reflection nebula is well-known to telescopic skygazers. ... The winning entry shows off amazing details within bluish M78 (center) embraced in dark, dusty clouds, along with a smaller reflection nebula in the region, NGC 2071 (top). ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: M 78 - reflection nebula - star formation . ...

... The predicted magnetic conjugations correspond to the less then 5 deg relative geocentric angular distance of the two satellites magnetic footprints. ... Universal time) . ... the difference between two satellites corrected geomagnetic local times (see as well column 11) . ... the difference between two satellites corrected geomagnetic latitude (see as well column 12) . ... the satellite geographical latitude . ... the corrected geomagnetic local time . ... the corrected geomagnetic latitude . ...

... Make up at least 5 data points, each with an x value, a y value and an uncertainty in the y value. ... Right-click on the top of the column containing the x-data and drag your mouse to the bottom of the column to select it. ... You must first enter the Positive Error Value (the `up error bars') ­ click at top of the column of y error values and drag down to select all of the values (in the above screenshot the y error values are in the column labeled ). ... Let's try fitting a straight line. ...

System of astrometric databases of Pulkovo observatory. 26-inch refractor . Pulkovo system of astrometric databases consists of three databases, which contain results of processing photographic and CCD observations, obtained with the 26-inch refractor and the Normal astrograph of Pulkovo observatory. Pulkovo photographic catalogs: Pul-2, Pul-3 (Pul-3 SE), Pul ERS . Results of photographic and CCD observations of Solar system objects . ... Normal Astrograph ...