direct rays

n. 直射

English-Japanese new dictionary. 2007.

Look at other dictionaries:

  • Direct and indirect realism — Direct realism argues we perceive the world directly For representationalism in the arts, see Realism (visual arts). The question of direct or naïve realism, as opposed to indirect or representational realism, arises in the philosophy of… …   Wikipedia

  • Direct DNA damage — Direct DNA damage: The UV photon is directly absorbed by the DNA (left). One of the possible reactions from the excited state is the formation of a thymine thymine cyclobutane dimer (right). The direct DNA damage leads to sunburn, causing an… …   Wikipedia

  • Direct vision — Vision Vi sion, n. [OE. visioun, F. vision, fr. L. visio, from videre, visum, to see: akin to Gr. ? to see, ? I know, and E. wit. See {Wit}, v., and cf. {Advice}, {Clairvoyant}, {Envy}, {Evident}, {Provide}, {Revise}, {Survey}, {View}, {Visage},… …   The Collaborative International Dictionary of English

  • direct — I. verb Etymology: Middle English, from Anglo French directer, from Latin directus straight, from past participle of dirigere to direct more at dress Date: 14th century transitive verb 1. a. obsolete to write (a letter) to a person b. to mark… …   New Collegiate Dictionary

  • Direct insolation — US annual average solar energy received by a latitude tilt photovoltaic cell (modeled). Direct insolation is the solar irradiance measured at a given location on Earth with a surface element perpendicular to the Sun s rays, excluding diffuse… …   Wikipedia

  • Bundle of rays — Ray Ray, n. [OF. rai, F. rais, fr. L. radius a beam or ray, staff, rod, spoke of a wheel. Cf. {Radius}.] 1. One of a number of lines or parts diverging from a common point or center, like the radii of a circle; as, a star of six rays. [1913… …   The Collaborative International Dictionary of English

  • Pencil of rays — Ray Ray, n. [OF. rai, F. rais, fr. L. radius a beam or ray, staff, rod, spoke of a wheel. Cf. {Radius}.] 1. One of a number of lines or parts diverging from a common point or center, like the radii of a circle; as, a star of six rays. [1913… …   The Collaborative International Dictionary of English

  • Roentgen Rays —    Wilhelm Konrad von Roentgen (1845 1923), professor of physics at the University of Wurzburg, Germany, was working late on the night of November 3, 1893, after all his assistants had left the laboratory. He noticed that a fluorescent surface… …   Dictionary of eponyms

  • ray — 1. A beam of light, heat, or other form of radiation. The rays from radium and other radioactive substances are produced by a spontaneous disintegration of the atom; they are electrically charged particles or electromagnetic waves of extremely… …   Medical dictionary

  • Tropics — The Tropics are centered on the equator and limited in latitude by the Tropic of Cancer in the northern hemisphere, at approximately 23°26 (23.4°) N latitude, and the Tropic of Capricorn in the southern hemisphere at 23°26 (23.4°) S latitude.… …   Wikipedia

  • Climate change in Idaho — Idaho emits the least carbon dioxide per person of the United States, less than 23,000 pounds a year. Idaho forbids coal power plants. It relies mostly on nonpolluting hydroelectric power from its rivers [1] [2]. Over the last century, the… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.