1H or 1-H may refer to:
Science
*
Hydrogen (
1H), a chemical element
*1H, a number of chemical compounds with one
hydrogen atom
*
Hydrogen-1 (
1H, or Protium), an isotope of hydrogen
*1H, a grouping within an
Astronomical catalog
**1H 1617-155, a designation for the
Scorpius X-1 X-ray source
**1H 1908+047, a designation for the
SS 433
SS 433 is one of the most exotic star systems observed. It is located in the Milky Way galaxy, and is an eclipsing X-ray binary system, with the primary being a stellar-mass black hole. The spectrum of the secondary companion star sugg ...
star system
*
Astra 1H, an SES satellite launched in 1999
Other uses
*1H, a model of
Nissan H engine
The Nissan H series of automobile engines is an evolution of the Nissan "R" engine which was based on the 1.5-liter, three-main bearing "G" engine used in the 1960s. Both inline-four and inline-six versions were produced. It is a pushrod OHV desi ...
*1H NMR, a type of
Proton NMR
*1 H. Cas, a variant notation for
AR Cassiopeiae
AR Cassiopeiae (AR Cas) is a variable star in the constellation of Cassiopeia. It is thought to be a member of a septuple star system, one of only two known star systems with a multiplicity of 7, the other being Nu Scorpii.
Nomen ...
*UH-1H, a type of
Bell UH-1 Iroquois
The Bell UH-1 Iroquois (nicknamed "Huey") is a utility military helicopter designed and produced by the American aerospace company Bell Helicopter. It is the first member of the prolific Huey family, as well as the first turbine-powered helic ...
*Campath-1H, a brand of
Alemtuzumab
*Ardiden 1H, a model of
HAL/Turbomeca Shakti
*
Blendkörper 1H
The Blendkörper 1H was a non-lethal smoke grenade that was developed by Germany and used by the Wehrmacht during World War II.
Design
The Blendkörper 1H consisted of a glass bulb sealed with plaster of paris roughly the size as a light bulb b ...
, smoke grenade used by Germany in World War II
*SSH 1H, alternate name for
Washington State Route 534
State Route 534 (SR 534) is a short Washington state highway located in Skagit County. The long route runs east from (I-5) in Conway to in Lake McMurray. The highway was first designated as a state-maintained highway in 1937, when ...
*1H, one
hour
An hour (symbol: h; also abbreviated hr) is a unit of time conventionally reckoned as of a day and scientifically reckoned between 3,599 and 3,601 seconds, depending on the speed of Earth's rotation. There are 60 minutes in an hour, and 24 ho ...
*1H Year, 1st half of year
See also
*
H1 (disambiguation)
{{Letter-NumberCombDisambig
