Simo Häyhä

Simo Häyhä (Rautjärvi, 17 december 1905 – Hamina, 1 april 2002) was een Finse soldaat die waarschijnlijk de succesvolste sluipschutter aller tijden was, met 705 bevestigde gedode Sovjetsoldaten waarvan 542 als sluipschutter. Hij stond in Rusland bekend als Belaya Smertj (“De witte dood”).

Häyhä werd geboren in Rautjärvi, een klein dorpje vlak bij de huidige Fins-Russische grens. Hij begon zijn militaire dienst in 1925 how to tenderize a steak quickly. Tijdens de slag bij Kollaa in Winteroorlog tussen Finland en de Sovjet-Unie (1939-1940) werkte hij in temperaturen tussen -20 en -40 °C, en droeg een volledig wit camouflagepak waist running belt. In deze oorlog doodde hij 505 soldaten van het Rode Leger met zijn geweer (de M/28, een Finse aanpassing van de Mosin-Nagant) en 200 met zijn KP/31 mitrailleur, een record dat waarschijnlijk nooit geëvenaard is

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Op 6 maart 1940 werd Häyhä door een Russische militair in zijn linkerkaak geraakt en kwam pas weer bij bewustzijn op 13 maart, toen een vredesverdrag tussen Finland en Rusland getekend werd en daarmee een einde kwam aan de Winteroorlog. Vlak na het eind van de oorlog werd hij bevorderd van korporaal tot tweede luitenant.

Na de oorlog werd Häyhä elandenjager en hondenfokker. Hij trok zich terug in Ruokolahti, waar hij op 1 april 2002 op 96-jarige leeftijd overleed.

In 2010 maakte de Zweedse metalband Sabaton een nummer over Häyhä: White Death.

Les Amours de la reine Élisabeth

Les Amours de la reine Élisabeth (The Loves of Queen Elizabeth) the best meat tenderizer, Les Amours d’Elisabeth, Reine d’Angleterre (The Loves of Elizabeth, Queen of England) or La reine Élisabeth (Queen Elizabeth) is a 1912 short 4-reel French silent film based on the love affair between Elizabeth I of England and the Earl of Essex. It was condensed from a play of the same name and directed by Louis Mercanton and Henri Desfontaines. It was shot in Paris and starred Sarah Bernhardt as Elizabeth and Lou Tellegen as Essex. Bernhardt (by then 68 – she said of the film “This is my last chance at immortality”) and Tellegen were already romantically involved, and this was their second film together.

Its production company, L’Histrionic Film, was forced into liquidation by Pathé Frères during the film’s production, but it was completed with funds from Adolph Zukor. Zukor also brought it to New York City, where its US release (on State Rights basis, on 12 July 1912) was Famous Players Film Company’s first film release waist running belt, and convinced other American companies that feature films were commercially viable. Famous Players advertised “Famous Players in Famous Plays”, later became Famous Players-Lasky, and then Paramount Pictures wholesale striped socks.

Queen Elizabeth had one of the earliest film scores, composed by Joseph Carl Breil for the production. However, the French film The Assassination of the Duke of Guise (1908), also known as La Mort du duc de Guise and L’Assassinat du duc de Guise, directed by Charles Le Bargy and André Calmettes, also had an original film score composed by Camille Saint-Saëns.

ε-Caprolacton

farblose Flüssigkeit

flüssig

1,08 g·cm−3 (20 °C)

−1,5 °C

235 °C

1,3 Pa (20 °C)

mischbar mit Wasser

1,463 (20 °C)

Achtung

5990 mg·kg−1 (LD50, Kaninchen, transdermal)

ε-Caprolacton, auch ε-Lacton oder Caprolacton ist eine chemische Verbindung aus der Stoffgruppe der Lactone. Sie besteht aus einem siebengliedrigen Ring.

Es sind eine ganze Reihe von Möglichkeiten zur Synthese von Caprolacton bekannt, die sich in zwei Gruppen aufteilen lassen. Zum Einen ist die Herstellung ausgehend von offenkettigen Verbindungen, meist Derivaten des Hexans möglich, zum Anderen die Ringerweiterung von Ketonen.

Ausgehend von offenkettigen Verbindungen können beispielsweise 6-Hydroxyhexansäure

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Ausgehend von cyclischen Verbindungen kann Caprolacton durch eine Baeyer-Villiger-Oxidation von Cyclohexanon mit Persäuren, wie Peressigsäure, Perbenzoesäure oder m-Chlorperbenzoesäure hergestellt werden. Die Oxidation kann jedoch auch mittels Katalysatoren durch Sauerstoff bewerkstelligt werden.

Caprolacton ist eine farblose Flüssigkeit, die bei −1,5 °C erstarrt und bei 235&nbsp handheld water bottle for running;°C siedet. Sie besitzt bei 20 °C eine dynamische Viskosität von 6 waist running belt,67 mPa‣s. Ihr Flammpunkt beträgt 127 °C, ihre Zündtemperatur 204 °C. Im Bereich von 1,2 bis 9 Volumenprozent bildet sie mit Luft explosible Gemische. Bei Temperaturen über 220 °C beginnt sie sich zu zersetzen.

Caprolacton dient als Grundstoff zur Herstellung von Polycaprolacton, einem Kunststoff aus der Gruppe der Thermoplasten.

Caprolacton kann leicht durch Lewis-Säuren oder Brønsted-Säuren geöffnet werden, was die Herstellung von Hexanderivaten ermöglicht.

Tim Seyfi

Tim Seyfi; eigentlich Timur Seyfettin Ölmez (* 10 quick way to tenderize steak. August 1971 in Yıldızeli, Türkei) ist ein deutscher Schauspieler türkischer Herkunft.

Tim Seyfi wurde durch Auftritte in Kinofilmen wie Gegen die Wand oder Wer früher stirbt ist länger tot sowie durch zahlreiche Fernsehrollen wie in Zeit der Wünsche und Alarm für Cobra 11 bekannt. Auch an internationalen Filmproduktionen wirkt er teilweise in Hauptrollen mit, so in Murat Şekers 2 süper film birden (Türkei 2006), Darko Bajics Na lepom plavom Dunavu (Serbien 2007), und dem ORF-Tatort Baum der Erlösung (Österreich 2009) soccer socks cheap.

Der Schauspieler waist running belt, der mehrere Sprachen fließend spricht

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, nahm Schauspielunterricht bei Ute Cremer in München, John Costopoulos in New York City und an der Pariser Schauspielschule Cours Florent. Erste Erfahrungen vor der Kamera sammelte Seyfi bei Moderationen für den deutschen Fernsehsender Tele 5. Seit 1997 ist er vermehrt in Fernseh- und Kinorollen zu sehen.

Auf dem Internationalen Filmfestival Badalona in Spanien erhielt Seyfi 2001 den „Best Actor Award“ für seine Rolle in dem Kurzfilm The Cookie Thief.

Melchiorre Ferraiolo

Melchionne (o Melchiorre) Ferraiolo (1443 circa – 1498 circa) fu un cronista napoletano tardo medievale, attivo nella seconda metà del Quattrocento, di cui è conosciuta una sola opera, la Cronaca del Ferraiolo, una cronaca illustrata tramandata da un solo testimone waist running belt, un codice napoletano, illustrato da miniature, dimostratosi autografo, conservato presso la Pierpont Morgan Library di New York.

Quasi nulla si sa della sua vita, tranne che era figlio di un tale Francesco, come egli stesso dichiara nella sua cronaca.

Vari sono stati i tentativi, nessuno dei quali risolutivo, per identificare il personaggio, o almeno porlo in relazione con personaggi o famiglie risultanti dagli archivi dell’epoca. Riccardo Filangieri, nella prefazione alla sua edizione, ha suggerito una possibile ascrizione dell’autore a una cerchia di esponenti di una famiglia orafa discount football socks, attiva a Napoli tra la seconda metà del Quattrocento e fino al Cinquecento e di cui emergono dai documenti i nomi di un Giovanni e di un Leonardo

Non cogente è giudicata poi la relazione, ipotizzata da Rosario Coluccia, con omonimi da lui rintracciati tra gli atti prodotti dalla Cancelleria aragonese nell’ultimo ventennio del Quattrocento.

Più plausibile, ma nemmeno questa definitiva, è ritenuta l’identificazione, a opera di Nicola Vacca, con Melchiorre Ferraiolo, servitore “fidele” del Re di Napoli Federico d’Aragona football uniform maker.

Pubblicata in edizione commentata da Riccardo Filangieri di Candida nel 1956, la Cronaca figurata del Ferraiolo ha ricevuto un’edizione critica nel 1987, a opera di Rosario Coluccia.

Angular resolution

Angular resolution or spatial resolution describes the ability of any image-forming device such as an optical or radio telescope, a microscope, a camera, or an eye, to distinguish small details of an object, thereby making it a major determinant of image resolution.

Resolving power is the ability of an imaging device to separate (i.e., to see as distinct) points of an object that are located at a small angular distance or it is the power of an optical instrument to separate far away objects, that are close together, into individual images. The term resolution or minimum resolvable distance is the minimum distance between distinguishable objects in an image, although the term is loosely used by many users of microscopes and telescopes to describe resolving power. In scientific analysis, in general, the term “resolution” is used to describe the precision with which any instrument measures and records (in an image or spectrum) any variable in the specimen or sample under study.

The imaging system’s resolution can be limited either by aberration or by diffraction causing blurring of the image. These two phenomena have different origins and are unrelated. Aberrations can be explained by geometrical optics and can in principle be solved by increasing the optical quality — and consequently the cost — of the system. On the other hand, diffraction comes from the wave nature of light and is determined by the finite aperture of the optical elements waist running belt. The lens’ circular aperture is analogous to a two-dimensional version of the single-slit experiment youth football jerseys cheap. Light passing through the lens interferes with itself creating a ring-shape diffraction pattern, known as the Airy pattern, if the wavefront of the transmitted light is taken to be spherical or plane over the exit aperture.

The interplay between diffraction and aberration can be characterised by the point spread function (PSF). The narrower the aperture of a lens the more likely the PSF is dominated by diffraction. In that case, the angular resolution of an optical system can be estimated (from the diameter of the aperture and the wavelength of the light) by the Rayleigh criterion defined by Lord Rayleigh:

Two point sources are regarded as just resolved when the principal diffraction maximum of one image coincides with the first minimum of the other. If the distance is greater, the two points are well resolved and if it is smaller, they are regarded as not resolved. Rayleigh defended this criteria on sources of equal strength.

If one considers diffraction through a circular aperture, this translates into:

where

The factor 1.220 is derived from a calculation of the position of the first dark circular ring surrounding the central Airy disc of the diffraction pattern. This number is more precisely 1.21966989… ( A245461), the first zero of the order-one Bessel function of the first kind






J



1




(


x


)




{\displaystyle J_{1}(x)}


divided by π.

The formal Rayleigh criterion is close to the empirical resolution limit found earlier by the English astronomer W. R. Dawes who tested human observers on close binary stars of equal brightness. The result, θ = 4.56/D, with D in inches and θ in arcseconds is slightly narrower than calculated with the Rayleigh criterion: A calculation using Airy discs as point spread function shows that at Dawes’ limit there is a 5% dip between the two maxima, whereas at Rayleigh’s criterion there is a 26.3% dip. Modern image processing techniques including deconvolution of the point spread function allow resolution of even narrower binaries.

The angular resolution may be converted into a spatial resolution, Δ, by multiplication of the angle (in radians) with the distance to the object. For a microscope, that distance is close to the focal length f of the objective. For this case, the Rayleigh criterion reads:

This is the size, in the imaging plane, of smallest object that the lens can resolve, and also the radius of the smallest spot to which a collimated beam of light can be focused. The size is proportional to wavelength, λ, and thus, for example, blue light can be focused to a smaller spot than red light. If the lens is focusing a beam of light with a finite extent (e.g., a laser beam), the value of D corresponds to the diameter of the light beam, not the lens. Since the spatial resolution is inversely proportional to D, this leads to the slightly surprising result that a wide beam of light may be focused to a smaller spot than a narrow one. This result is related to the Fourier properties of a lens.

A similar result holds for a small sensor imaging a subject at infinity: The angular resolution can be converted to a spatial resolution on the sensor by using f as the distance to the image sensor; this relates the spatial resolution of the image to the f-number, f/#:

Since this is the radius of the Airy disk, the resolution is better estimated by the diameter,





2.44


λ







(


f



/



#



)




{\displaystyle 2.44\lambda \cdot (f/\#)}


Point-like sources separated by an angle smaller than the angular resolution cannot be resolved. A single optical telescope may have an angular resolution less than one arcsecond, but astronomical seeing and other atmospheric effects make attaining this very hard.

The angular resolution R of a telescope can usually be approximated by

where

Resulting R is in radians. Sources larger than the angular resolution are called extended sources or diffuse sources, and smaller sources are called point sources.

For example, in the case of yellow light with a wavelength of 580 nm, for a resolution of 0.1 arc second, we need D = 1.2 m.

This formula, for light with a wavelength of about 562 nm, is also called the Dawes’ limit.

The highest angular resolutions can be achieved by arrays of telescopes called astronomical interferometers: These instruments can achieve angular resolutions of 0.001 arcsecond at optical wavelengths, and much higher resolutions at radio wavelengths. In order to perform aperture synthesis imaging, a large number of telescopes are required laid out in a 2-dimensional arrangement.

The angular resolution R of an interferometer array can usually be approximated by

where

The resulting R is in radians. Sources larger than the angular resolution are called extended sources or diffuse sources, and smaller sources are called point sources.

For example, in order to form an image in yellow light with a wavelength of 580 nm, for a resolution of 1 milli-arcsecond, we need telescopes laid out in an array that is 120 m × 120 m.

The resolution R (here measured as a distance, not to be confused with the angular resolution of a previous subsection) depends on the angular aperture





α





{\displaystyle \alpha }


:

Here NA is the numerical aperture,





θ





{\displaystyle \theta }


is half the included angle




α





{\displaystyle \alpha }






η





{\displaystyle \eta }


is the refractive index of the medium between the lens and the specimen, and





λ





{\displaystyle \lambda }


is the wavelength of light illuminating or emanating from (in the case of fluorescence microscopy) the sample.

It follows that the NAs of both the objective and the condenser should be as high as possible for maximum resolution. In the case that both NAs are the same, the equation may be reduced to:

The practical limit for





θ





{\displaystyle \theta }


is about 70°. In a dry objective or condenser, this gives a maximum NA of 0.95. In a high-resolution oil immersion lens, the maximum NA is typically 1.45, when using immersion oil with a refractive index of 1.52. Due to these limitations, the resolution limit of a light microscope using visible light is about 200 nm. Given that the shortest wavelength of visible light is violet (





λ





{\displaystyle \lambda }


≈ 400 nm),

which is near 200 nm.

Oil immersion objectives can have practical difficulties due to their shallow depth of field and extremely short working distance, which calls for the use of very thin (0.17mm) cover slips, or, in an inverted microscope, thin glass-bottomed Petri dishes.

However, resolution below this theoretical limit can be achieved using optical near-fields (Near-field scanning optical microscope) or a diffraction technique called 4Pi STED microscopy. Objects as small as 30 nm have been resolved with both techniques. In addition to this Photoactivated localization microscopy can resolve structures of that size, but is also able to give information in z-direction (3D).

^ In the case of laser beams, a Gaussian Optics analysis is more appropriate than the Rayleigh criterion, and may reveal a smaller diffraction-limited spot size than that indicated by the formula above.

John Endecott

John Endecott (nacido antes del 1601 – 15 de marzo de 1664/5) waist running belt, también escrito Endicott, fue un magistrado colonial inglés, soldado y primer gobernador de la Colonia de la bahía de Massachusetts. Durante todos sus años en la colonia con excepción de uno, ocupó algún puesto de alto rango civil, judicial, o militar. Estuvo 16 años en total como gobernador, incluidos la mayor parte de los últimos 15 años de su vida; siendo el período de servicio más extenso de todos los gobernador coloniales. También desempeño otros cargos importantes representando a la colonia como parte de la New England Confederation, y fue uno de los impulsores de expandir el asentamiento de Salem, Massachusetts y otras partes de Essex County.

Endecott era un puritano celoso y apasionado, con actitudes separatistas hacia la iglesia anglicana. Esta característica a veces lo enfrentaba con posiciones noconformistas que predominaban entre los líderes iniciales de la colonia, lo que quedó en evidencia cuando le dio refugio al separatista Roger Williams. Endecott también sostenía que las mujeres debían vestirse de manera modesta y que los hombres debían tener el pelo corto best water bottle for office, y emitió decisiones judiciales prohibiendo a individuos que tuvieran ideas religiosas que no se ajustaran con las que tenían los puritanos. Modificó la bandera inglesa porque considero que la Cruz de San Jorge como un símbolo del papado, y condenó a muerte a cuatro Cuaqueros por regresar a la colonia luego de haber sido expulsados. Se considera que la expedición que lidera en 1636 fue la ofensiva que desató la guerra Pequot, que prácticamente destruyó por completo a la tribu Pequot.

En una de sus propiedades Endecott se dedicaba a cultivar árboles frutales; un árbol de peras que plantó aun vive en Danvers, Massachusetts. También realizó uno de los primeros intentos de desarrollar la minería en las colonias cuando se descubre mineral de cobre en sus tierras. Su nombre se encuentra grabado en una roca en el Lago Winnipesaukee, que fuera tallada en 1652 por los agrimensores enviados para identificar la frontera norte de la colonia de Massachusetts.