Xem 1-10 trên 10 kết quả Long wavelength
  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: Intermittent long-wavelength red light increases the period of daily locomotor activity in mice...

    pdf8p thulanh23 21-11-2011 22 2   Download

  • In the long term, the earth must shed energy into space at the same rate at which it absorbs energy from the sun. Solar energy arrives in the form of shortwavelength radiation. Some of this radiation is reflected away by the earth's surface and atmosphere. Most of it, however, passes straight through the atmosphere to warm the earth's surface. The earth gets rid of this energy (sends it back out into space) in the form of long wavelength, infra-red radiation.

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  • Siemens Milltronics Process Instruments has a long and successful history specializing in the manufacture of equipment for industrial process measurement. Based in Peterborough, Canada, Siemens Milltronics (PI2) is now a key member of the Sensors and Commu nication division within the Siemens Industry division, supplying instrumentation across the globe. Founded in 1954 by Stuart Daniel, a former employee of Canadian General Electric, the company began as Milltronics and engineered electronic ball mill grinding controls for the cement and mining industry.

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  • Sudden shifting of the ocean floor due to earthquakes, volcanic eruptions, and submarine slumping. open ocean: short heights, long wavelengths (100 km), and long periods 400500 mph!!! shallow water: their length shortens and their height increases dramatically. These are NOT tidal waves

    ppt36p thachthaoxanh 24-08-2011 29 5   Download

  • n this book some recent advances in development of photodetectors and photodetection systems for specific applications are included. In the first section of the book nine different types of photodetectors and their characteristics are presented. Next, some theoretical aspects and simulations are discussed. The last eight chapters are devoted to the development of photodetection systems for imaging, particle size analysis, transfers of time, measurement of vibrations, magnetic field, polarization of light, and particle energy.

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  • Temperature Measurement of Transparent Solid Bodies Pyrometric, Contactless Method All solid bodies which partially or totally transmit thermal radiation in the wavelength of visible and infrared radiation, are classified as transparent bodies . The notation used to consider pyrometric methods for measuring the surface temperature of solid bodies has already been introduced in Section 8.2. It will be recalled that solid bodies, which have a transmission factor limited to a = 0, are non-transparent bodies in the whole range of wavelengths used in optical pyrometry .

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  • Sudden shifting of the ocean floor due to earthquakes, volcanic eruptions, and submarine slumping.open ocean: short heights, long wavelengths (100 km), and long periods 400-500 mph!!! shallow water: their length shortens and their height increases dramatically...

    ppt33p thachthaoxanh 24-08-2011 27 3   Download

  • Optical Amplifiers As seen in Chapter 5, the transmission distance of any fiber-optic communication system is eventually limited by fiber losses. For long-haul systems, the loss limitation has traditionally been overcome using optoelectronic repeaters in which the optical signal is first converted into an electric current and then regenerated using a transmitter. Such regenerators become quite complex and expensive for wavelength-division multiplexed (WDM) lightwave systems.

    pdf53p khinhkha 29-07-2010 37 8   Download

  • Topical Systemic 6-Methylcoumarin + Aminobenzoic acid and esters + Bithionol + Chlorpromazine + Diclofenac + Fluoroquinolones + Halogenated salicylanilides + Hypericin (St John's Wort) + + Musk ambrette + Piroxicam + Promethazine + Sulfonamides + Sulfonylureas + A very uncommon type of persistent photosensitivity is known as chronic actinic dermatitis. These patients are typically elderly men with a long history of preexisting allergic contact dermatitis or photosensitivity. They are usually exquisitely sensitive to UV-B, UV-A, and visible wavelengths.

    pdf5p konheokonmummim 03-12-2010 35 4   Download

  • The structure of peptidase T, or tripeptidase, was deter-mined by multiple wavelength anomalous dispersion (MAD) methodology and re®ned to 2.4 A Ê resolution. Pep-tidase T comprises two domains; a catalytic domainwith an active site containing two metal ions, and a smaller domain formed through a long insertion into the catalytic domain. The twometal ions, presumablyzinc, are separatedby3.3 AÊ , and are coordinated by ®ve carboxylate and histidine ligands.

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