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Relative density, or specific gravity, is the ratio of the density of a substance to the density of a given reference material. Specific gravity for liquids is nearly always measured with respect to water at its densest ; for gases, the reference is air at room temperature. The term "relative density" is often preferred in scientific usage.
Charybdotoxin (CTX) is a 37 amino acid neurotoxin from the venom of the scorpion Leiurus quinquestriatus hebraeus (deathstalker) that blocks calcium-activated potassium channels. This blockade causes hyperexcitability of the nervous system. It is a close homologue of agitoxin and both toxins come from Leiurus quinquestriatus hebraeus. It is named after Charybdis, a sea monster from Greek myth.
Tresaith is a coastal village in Ceredigion, Wales, between Aberporth and Llangranog. It is linked to the former by a two-mile section of the Ceredigion Coast Path, part of the Wales Coast Path. Tresaith is within the Ceredigion Heritage Coast which offers extensive walking and views. There is an abundance of wildlife and flora. Many kinds of seabirds can be spotted and regular sightings of grey seals and dolphins are made.
Batch distillation refers to the use of distillation in batches, meaning that a mixture is distilled to separate it into its component fractions before the distillation still is again charged with more mixture and the process is repeated. This is in contrast with continuous distillation where the feedstock is added and the distillate drawn off without interruption. Batch distillation has always been an important part of the production of seasonal, or low capacity and high-purity chemicals. It is a very frequent separation process in the pharmaceutical industry.
GDNF family receptor alpha-1 (GFRα1), also known as the GDNF receptor, is a protein that in humans is encoded by the GFRA1 gene.
Cyclic nucleotide-gated channel alpha 1, also known as CNGA1, is a human gene encoding an ion channel protein. Heterologously expressed CNGA1 can form a functional channel that is permeable to calcium. In rod photoreceptors, however, CNGA1 forms a heterotetramer with CNGB1 in a 3:1 ratio. The addition of the CNGB1 channel imparts altered properties including more rapid channel kinetics and greater cAMP-activated current. When light hits rod photoreceptors, cGMP concentrations decrease causing rapid closure of CNGA1/B1 channels and, therefore, hyperpolarization of the membrane potential.
Intercellular adhesion molecule 5 is a protein that in humans is encoded by the ICAM5 gene.
The Little River is a short river in Madawaska, Maine, about 4 miles (6 km) from the Canada–United States border. The river flows west 5.1 miles (8.2 km) from its source to Long Lake. The lake drains — via Mud Lake, Cross Lake, Square Lake, and Eagle Lake — into the Fish River, a tributary of the Saint John River.
The Little River is a short, mostly-tidal river in Perry, Maine. From Boyden Stream Reservoir it runs about 2 miles (3 km) east to Passamaquoddy Bay.
Clynelish Distillery is a distillery near Brora, Sutherland in the Highlands of Scotland.
The Pittyvaich distillery was a producer of single malt Scotch whisky that operated between 1974 and 1993.
The Ladyburn distillery was a producer of single malt Scotch whisky that operated between 1966 and 1975.
Malvern Water is a brand of bottled drinking water obtained from a spring in the range of Malvern Hills that marks the border between the counties of Herefordshire and Worcestershire in England. The water is a natural spring water from the hills that consist of very hard granite rock. Fissures in the rock retain rain water, which slowly permeates through, escaping at the springs. The springs release an average of about 60 litres a minute. The flow rate depends on rainfall and can vary from as little as 36 litres per minute to over 350 litres per minute.
Aboso is a town near Tarkwa, and is the capital of Wassa West district, a district in the Western Region of Ghana. Aboso is the 78th most populous settlement in Ghana, with a population of 9,945 people. At the Ghana census of 18 March 1984, there were 4,700 inhabitants living in the town.
JWH-116 is a synthetic cannabinoid receptor ligand from the naphthoylindole family. It is the indole 2-ethyl derivative of related compound JWH-018. The binding affinity of JWH-116 for the CB1 receptor is reported as Ki = 52 ± 5 nM.
Cucunatí is a corregimiento in Chepigana District, Darién Province, Panama with a population of 1,346 as of 2010. It was created by Law 58 of July 29, 1998, owing to the Declaration of Unconstitutionality of Law 1 of 1982. Its population as of 2000 was 1,105.
German submarine U-2509 was a Type XXI U-boat of Nazi Germany's Kriegsmarine, built for service in World War II. She was ordered on 6 November 1943, and was laid down on 17 June 1944 at the Blohm & Voss yard at Hamburg, as yard number 2509. She was launched on 27 August 1944, and commissioned under the command of Korvettenkapitän Rudolf Schendel, on 21 September 1944.
Naryn Castle or Narenj Castle is a castle in the city of Nain, Iran, and is one of the attractions of Nain County. This castle was built by the Parthian Empire.
HAT-P-19 is a K-type main-sequence star about 650 light-years away. The star is old yet metal enriched, having amount of heavy elements 250% of solar abundance. The survey in 2012 have failed to find any stellar companions to HAT-P-19.
References
- ↑ Ordnance Survey 1:25,000 scale Explorer map sheet 199 Lampeter
Coordinates: 52°15′03″N4°05′23″W / 52.2509°N 4.0896°W
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