radiation decomposition
41Agriculture — General …
42Bec Auer — Manchon à incandescence Manchon à incandescence, monté ici sur une lampe à pression à pétrole, de type Petromax Un manchon à incandescence, ou manchon Auer, est une gaine de tissu incombustible imprégnée d oxydes de terres rares et/ou thorium,… …
43Manchon incandescent — Manchon à incandescence Manchon à incandescence, monté ici sur une lampe à pression à pétrole, de type Petromax Un manchon à incandescence, ou manchon Auer, est une gaine de tissu incombustible imprégnée d oxydes de terres rares et/ou thorium,… …
44Manchon à incandescence — Manchon à incandescence, monté ici sur une lampe à pression à pétrole, de type Petromax Un manchon à incandescence, ou manchon Auer, est une gaine de tissu incombustible imprégnée d oxydes de terres rares et/ou thorium, dont on entoure la flamme… …
45GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… …
46Earth's atmosphere — ppmvThe composition figures above are by volume fraction (V%), which for ideal gases is equal to mole fraction (that is, the fraction of total molecules). Although the atmosphere is not an ideal gas, nonetheless the atmosphere behaves enough like …
47noir — noir, noire [ nwar ] adj. et n. • XIIe ; neir 1080; lat. niger I ♦ Adj. A ♦ (Concret) 1 ♦ Se dit de l aspect d un corps dont la surface ne réfléchit aucune radiation visible, dont la couleur est aussi sombre que possible (⇒ noirceur; noircir;… …
48bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom …
49spectroscopy — 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… …
50boreal forest — ▪ northern forest Introduction also called taiga vegetation composed primarily of cone bearing, needle leaved, or scale leaved evergreen trees, found in regions that have long winters and moderate to high annual precipitation. The… …
