2 edition of Spectrophotoelectric sensitivity of thalofide found in the catalog.
Spectrophotoelectric sensitivity of thalofide
William W. Coblentz
Running title: Photoelectric sensitivity.
|Other titles||Photoelectric sensitivity.|
|Statement||by W. W. Coblentz, physicist, Bureau of Standards. June 17, 1920 ...|
|Series||Scientific papers of the Bureau of Standards,, no. 380|
|LC Classifications||QC611 .C775|
|The Physical Object|
|Number of Pages||258|
|LC Control Number||20026642|
Eighty-fivescans were read as either positive or negative for appendicealpathology with a sensitivity of 89%, a specificity of,92%, and an accuracyoI 92% in value of. sensitive types. Noteworthy among the devel-opments of these years were the first Thalofide cells, used as the basis of an infrared signalling system during the First World War. These war years were spent as a civilian consultant at the Naval Experimental Station in New London, Conn. After the war, Sponable returned to me case.
called ‘Thalofide cell’, which is highly sensitive to low-intensity, long-wavelength light and thallium-activated NaI or NaCl crystals are used in some types of scintillation detectors. Thallium-containing alloys are also used as good quality bearings, having a very high . TFT display TFT zaslon Thailand Tajland thallic od talija thallium talij thalofide talijev sulfid Thames Temza than nego, od, onda thane barun, posjednik lenskog dobra, posjednik lenskog dobra u anglosasko doba, vlastelin thank hvala, zahvalila, zahvaliti, zahvalnost Thank you Hvala, Zahvaljujemo Vam thank you and the same to you! hvala, i vama također thank you very much hvala lijepa, hvala.
The Movietone sound system is an optical sound-on-film method of recording sound for motion pictures that guarantees synchronization between sound and picture. It achieves this by recording the sound as a variable-density optical track on the same strip of film that records the pictures. The initial version was capable of a frequency response of Hz. Although sound films today use variable. Apohemoglobin (apoHb) is produced by removing heme from hemoglobin (Hb). However, preparations of apoHb may contain damaged globins, which render total protein assays inaccurate for active apoHb quantification. Fortunately, apoHb heme-binding sites react with heme via the proximal histidine-F8 (His-F8) residue, which can be monitored spectrophotometrically.
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SPECTROPHOTOELECTRICSENSITIVITYOF THALOFIDE tz UCTION Thalofideisalaboratorypreparationofthallium-oxy-sulfid Spectrophotoelectric sensitivity of thalofide / By William W. (William Weber) Coblentz and United States. National Bureau of Standards. Scientific Papers of the Bureau of Standards.
The Journal of Research of NIST and its predecessors report NIST research and development in metrology and related fields of: physical science, engineering, Spectrophotoelectric sensitivity of thalofide book mathematics, statistics, biotechnology, information technology.
At 20° C. the spectrophotoelectrical sensitivity curve of proustite has a slight maximum at about. and a marked sensitivity with a wide maximum (at about ?) in the ultra-violet. At ° C.
the intrinsic spectrophotoelectrical sensitivity is greatly increased; but the max. reaction is confined mainly in a sharp maximum at ?. Spectrophotoelectric sensitivity of thalofide Spectroradiometric investigation of the transmission of various substances, II Studies of instruments for measuring radiant energy in absolute value: an absolute thermopile Temperature estimates of the planet Mars, and " This appears to have been overlooked by Germann and Hylan in their recent contentions (J.
Phys. Chem, 28, ()). Oct., ] PHOTOGRAPHIC SENSITIVITY. With a few exceptions, the densities were determined by means of the thalofide cell densitometer. Dec., I 9 2 3.
1 higher sensitivity than AgBr, with physical developers, which supply free Ag + ions, supports this view. The existence of internal sensitive nuclei or spots in the grain prior to exposure seems to be substantiated by the following FIG.
l i D. unreliable “thalofide” detectors for use as sensors in an infrared s ignalling device consisting of. through the s for high-sensitivity, Book.
Sep ; MEAS SCI TECHNOL. Zusammenfassung. Wir unterscheiden zwei Arten von Elektrizitätsleitung: solche mit Materietransport (Ionen- oder elektrolytische Leitung) und solche ohne Materietransport (Elektronen- oder metallische Leitung).
Die erste ist bekannt an Lösungen von Salzen, Säuren und Basen, in geringem Maße auch an einheitlichen Flüssigkeiten, und besonders an geschmolzenen polaren Verbindungen. THE publicity recently given (Times, September 24 and 28) to reports of the successful synchronisation of speech and action in kinematography makes the present an appropriate time for describing.
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John Logie Baird FRSE (/ ˈ l oʊ ɡ i b ɛər d /; 13 August – 14 June ) was a Scottish inventor, electrical engineer, and innovator, demonstrating the world's first working television system on 26 January He also invented the first publicly demonstrated colour television system, and the first purely electronic colour television picture tube.
The Movietone sound system is an optical sound-on-film method of recording sound for motion pictures that guarantees synchronization between sound and picture. It achieves this by recording the sound as a variable-density optical track on the same strip of film that records the pictures.
The initial version was capable of a frequency response of Hz. Book January their high sensitivity does not coincide with the fast response time, which limits real detector functions. "Thalofide Cell"—a New PhotoElectric Substance.
Article. Mechanical television or mechanical scan television is a television system that relies on a mechanical scanning device, such as a rotating disk with holes in it or a rotating mirror drum, to scan the scene and generate the video signal, and a similar mechanical device at the receiver to display the picture.
This contrasts with vacuum tube electronic television technology, using electron beam. You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read.
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Publishing Support. Login. and have the potential for fabrication in large arrays. As shown in Ch.2, the sensitivity of these devices is directly related to their capacitance and can therefore be improved by shrinking the size of the detectors, Case T W The thalofide cell: a new photoelectric substance Phys.
Rev. 15 A detailed experimental study is reported of electron photoemission at a solution–nitrogen interface by aqueous solutions of potassium or sodium ferrocyanide.
Old work on this problem is briefly reviewed as well as similar studies with organic systems and alkali metals in liquid ammonia. The following topics are covered: outline of experimental methods; variations of collected current with.
Television (TV), sometimes shortened to tele or telly, is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in color, and in two or three dimensions and term can refer to a television set, a television show, or the medium of television sion is a mass medium for advertising, entertainment, news, and sports.
Dieses Kapitel ist Teil des Digitalisierungsprojekts Springer Book Archives mit Publikationen, die seit den Anfängen des Verlags von erschienen sind. Photoelectric Sensitivity of Bismuthinite and various other Substances.
Bull. Bur. of Stand. 14,Spectrophotoelectric sensitivity of thalofide. Ibid. 16, Nr. Certain lines, grouped as /b c/ and /b d/ lines because of sensitiveness to pressure, appeared to be displaced relative to /b a/ and /b b/ lines, so that in the International Astronomical Union recommended that light be taken from a central zone mm.
wide in a mm. arc instead of from one 2 mm. wide in a 6-mm. arc.The second kind of detectors, called the photon detectors, was mainly developed during the 20th Century to improve sensitivity and response time.
These detectors have been extensively developed since the ’s. Lead sulphide (PbS) was the first practical IR detector with sensitivity .The concept of television was the work of many individuals in the late 19th and early 20th centuries, with its roots initially starting from back even in the 18th century.
The first practical transmissions of moving images over a radio system used mechanical rotating perforated disks to scan a scene into a time-varying signal that could be reconstructed at a receiver back into an approximation.