explosion efficiency
41Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
42Hot bulb engine — The hotbulb, or hot bulb engine or vaporizing oil engine is a type of internal combustion engine. It is a surface ignition engine in which the superheated fuel is ignited by being brought into contact with oxygen rich fresh air, rather than by a… …
43Liste de projets enregistres par Steve Albini — Liste de projets enregistrés par Steve Albini Steve Albini est un musicien et ingénieur du son reconnu dont les nombreux projets d enregistrements ont exercé une grande influence dans le domaine de la musique indépendante. Depuis 1997, bon nombre …
44Liste de projets enregistrés par Steve Albini — Steve Albini est un musicien et ingénieur du son reconnu dont les nombreux projets d enregistrements ont exercé une grande influence dans le domaine de la musique indépendante. Depuis 1997, bon nombre de ses projets ont été enregistrés aux… …
45Coal power in the People's Republic of China — Entrance to a small coal mine in China. A coal shipme …
46Nuclear meltdown — Three of the reactors at Fukushima I overheated, causing core meltdowns. This was compounded by hydrogen gas explosions and the venting of contaminated steam which released large amounts of radioactive material into the air.[1] …
47Battery (electricity) — For other uses, see Battery (disambiguation). Various cells and batteries (top left to bottom right): two AA, one D, one handheld ham radio battery, two 9 volt (PP3), two AAA, one C, one …
48oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
49Robert H. Goddard — Infobox Engineer image width = 150px caption =Robert Hutchings Goddard (1882 1945) name = Robert H. Goddard nationality = United States birth date = October 5, 1882 birth place = Worcester, Massachusetts death date = August 10, 1945 death place …
50Project Orion (nuclear propulsion) — An artist s conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. Project Orion was a study of a spacecraft intended to be directly propelled by a series of explosions of atomic bombs behind the… …
