An initial effect from the applied incident radiant energy was detected, however, which was interpreted to be due to the exposed surface of the BeO reaching a high temperature so rapidly that, momentarily, little heat was generated in the mass of the material and no immediate temperature rise ...
An example from electronics is the 30 ohm electrical resistance of a 3 cm length of a conductor having a resistivity of 10 ohms/cm. Sign in to download full-size image FIGURE 18. (a) Intrinsic versus (b) extrinsic reflection properties of a material. (c) Interface reflectivity. According ...
Williams, in The Science of Color (Second Edition), 2003 2.8.1.4 Radiant intensity The radiant power emitted by a surface can depend on the direction the light propagates away from the surface. For example, if the surface were a mirror illuminated by a laser, the radiant power emitted from...
连接性状语,如to begin with; in the first place, in the second place; next, then; finally, last, lastly; to conclude, also, besides, furthermore, moreover, then, in addition; equally, likewise, similarly; for example, for instance, that is; consequently, hence, so, therefore, thus; in...
You may ask what time an EC willremain radiantor activated. The answer depends upon the needs of your situation. Whencreated energy by VKis consumed, more energy would be requiredif you haven’t accomplished your goal yet. Every time you request VK to activate the EC, you should leave VK...
12, 2009 – Two or three of the contestants tricked out their tiny solar-powered cars, hoping to gain an advantage in speed and thus edge out the competition. They introduced, for example, magnifying sheets and complicated gear assemblages. Gabrielle Theriault and Veronique Zambon, both of ...
The biotic components can be further grouped into two basic components from the nutrition point of view: (i) Autotrophic Components– They include all green plants that fix the sun’s radiant energy and manufacture food from inorganic substances. ...
Conversely, in the SI system the mass unit of kilogram is often used to express force (of gravity), as in a person’s weight, for example. In this sense, a convenient conversion factor between the systems is to use the “weight equivalent” of 2.2 lbs for a 1 kg mass. Work and ...
Photon energyis linked tooptical frequencyν through the relationE=hν (whereh= 6.6261 × 10−34J s). Each photon essentially conveys an energyEfrom one piece of matter to another, for example from a television screen to a human retina. ...
Photochromic materials can be used for the design of optical switches, optical data storage devices, energy-conserving coatings, eye-protection glasses, and privacy shields. Photochromic materials and systems have several important uses depending on the rates of the optical transformations. For example,...