to keep up pressure
31Nuclear 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] …
32Hydraulic machinery — are machines and tools which use fluid power to do work. Heavy equipment is a common example.In this type of machine, high pressure hydraulic fluid is transmitted throughout the machine to various hydraulic motors and hydraulic cylinders. The… …
33Spacesuits in fiction — Science fiction authors have designed imaginary spacesuits for their characters almost since the beginning of fiction set in space.Often, comic book creators seem unaware of the effects of internal pressure which tends to inflate a spacesuit in… …
34Vietnam War — a conflict, starting in 1954 and ending in 1975, between South Vietnam (later aided by the U.S., South Korea, Australia, the Philippines, Thailand, and New Zealand) and the Vietcong and North Vietnam. [1960 65] * * * (1955–75) Protracted effort… …
35Ittar — or Attar or itr is a natural perfumes extracted from the juices of flowers like the jasmine, rose or sandal, herbs, spices, barks in to base oil such as Sandalwood oil. Sandalwood oil is used as base in making Attar while western perfumes, are… …
36Density of air — The density of air, ρ (Greek: rho) (air density), is the mass per unit volume of Earth s atmosphere, and is a useful value in aeronautics and other sciences. Air density decreases with increasing altitude, as does air pressure. It also changes… …
37Monsoon of Indian subcontinent — Indian subcontinent with flags of individual countries A Monsoon of the Indian subcontinent is among the several geographically distributed observations of the global monsoons. In the subcontinent, it is one of oldest weather observations, an… …
38SummerSlam (1998) — Infobox Wrestling event name=SummerSlam (1998) tagline=Highway to Hell theme=Highway to Hell (AC/DC) promotion=World Wrestling Federation date=August 30 1998 venue=Madison Square Garden city=New York, New York attendance=21,588 lastevent=… …
39Adiabatic flame temperature — In the study of combustion, there are two types of adiabatic flame temperature depending on how the process is completed: constant volume and constant pressure. The constant volume adiabatic flame temperature is the temperature that results from… …
40Vasovagal response — Vasovagal episode Classification and external resources Vagus nerve ICD 10 R55 …
