- nitrogen family explosives
- 氮族炸药
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
Nitrogen fixation — is the natural process, either biological or abiotic, by which nitrogen (N2) in the atmosphere is converted into ammonia (NH3).[1] This process is essential for life because fixed nitrogen is required to biosynthesize the basic building blocks of … Wikipedia
Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P … Wikipedia
Gunpowder magazine — A gunpowder magazine is a magazine (building) designed to store the explosive gunpowder in wooden barrels for safety. Very few survive in the United Kingdom, as gunpowder is no longer manufactured there. Gunpowder, until superseded, was a… … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… … Universalium
Haber, Fritz — born Dec. 9, 1868, Breslau, Silesia, Prussia died Jan. 29, 1934, Basel, Switz. German physical chemist. After early research in electrochemistry and thermodynamics, he developed, with his brother in law Carl Bosch (1874–1940), the Haber Bosch… … Universalium
amine — aminic /euh mee nik, euh min ik/, adj. aminity /euh min i tee/, n. /euh meen , am in/, n. Chem. any of a class of compounds derived from ammonia by replacement of one or more hydrogen atoms with organic groups. [1860 65; AM(MONIUM) + INE2] * * *… … Universalium
Military equipment of Turkey — The military equipment of Turkey includes a wide array of arms, artilleries, large surface vessels, cannons, armored vehicles, mortars, unmanned vehicles and many different equipments. Contents 1 Historical development 1.1 General 1.2 1923 1950 … Wikipedia
Fritz Haber — Infobox Scientist name = Fritz Haber image size=180px birth date = 9 December 1868 birth place = Breslau, today Poland nationality = Germany death date = death date and age|df=yes| 1934|1|29|1868|12|9 death place = Basel, Switzerland field =… … Wikipedia
Dinitrogen pentoxide — Dinitrogen pentoxide … Wikipedia
technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… … Universalium