- ionization medium
- 電離介質
English-Chinese dictionary. 2013.
English-Chinese dictionary. 2013.
Ionization chamber — An ionization chamber is a device used for two major purposes: detecting particles in air (as in a smoke detector), and for detection or measurement of ionizing radiation. An ionization chamber is an instrument constructed to measure the number… … Wikipedia
Medium-Chain-Acyl-CoA-Dehydrogenase-Mangel — Klassifikation nach ICD 10 E71.3 Störungen des Fettsäurestoffwechsels … Deutsch Wikipedia
Interstellar medium — Interstellar redirects here. For other uses, see Interstellar (disambiguation). The distribution of ionized hydrogen (known by astronomers as H II from old spectroscopic terminology) in the parts of the Galactic interstellar medium visible… … Wikipedia
Negative air ionization therapy — is the use of air ionisers as an experimental non pharmaceutical treatment for seasonal affective disorder (SAD) and mild depression. For SAD, a randomized controlled trial (RCT) comparing high (4.5x1014 ions/second) and low (1.7x1011… … Wikipedia
Timeline of knowledge about the interstellar and intergalactic medium — Timeline of the interstellar medium and intergalactic medium* 1848 Lord Rosse studies M1 and names it the Crab Nebula * 1864 William Huggins studies the spectrum of the Orion Nebula and shows that it is a cloud of gas * 1927 Ira Bowen explains… … Wikipedia
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula … Universalium
Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… … Wikipedia
plasma — plasmatic /plaz mat ik/, plasmic, adj. /plaz meuh/, n. 1. Anat., Physiol. the liquid part of blood or lymph, as distinguished from the suspended elements. 2. Cell Biol. cytoplasm. 3. whey. 4. a green, faintly translucent chalcedony. 5. Physics. a … Universalium
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high … Wikipedia