Two types of HIV have been characterized HIV 1 and HIV 2.

Many inorganic compounds are characterized by high melting points.

Sand, Portland cement, and thousands of minerals are examples of silicates.

Many systems are characterized by the range of frequencies to which they respond.

The 1950s are characterized through a cold war between east and west.

For example, silver hydroxide Ag(OH) decomposes spontaneously to the oxide (Ag2O).

Around the same time Richard Dedekind showed that the natural numbers are uniquely characterized by their induction properties.

Every mental phenomenon, every psychological act, has a content, is directed at an object (the intentional object ).

Nine noncoding sRNAs have been characterised in M. tuberculosis , with a further 56 predicted in a bioinformatics screen.

The Apache projects are characterized by a collaborative, consensus based development process and an open and pragmatic software license.

These games are characterized by single screen, non scrolling levels and cooperative two player action.

The general formula of a carboxylic acid is R C(O)OH with R referring to the rest of the (possibly quite large) molecule.

The Amazon River and its tributaries are characterized by extensive forested areas that become flooded every rainy season.

Twenty other radioisotopes have been characterized with atomic weights ranging from 92.926 u (93Rh) to 116.925 u (117Rh).

Despite that fact, no liverwort genomes have been sequenced to date and only few genes identified and characterized.

Such oils are called siccative, or drying, oils, and are characterized by high levels of polyunsaturated fatty acids.

The city enjoys a sunny climate, with the summer months (October to April) characterised by hot days followed by afternoon thundershowers and cool evenings, and the winter months (May to September) by dry, sunny days followed by cold nights.

It is widely accepted in the scientific and academic communities that intelligent design is a form of creationism, and some have even begun referring to it as intelligent design creationism.

There are also common themes to the different styles, which are often classified by families ( ), sects ( ) or schools ( ).

Epilepsy (from the Ancient Greek verb ἐπιλαμβάνειν meaning to seize, possess, or afflict ) is a group of neurological disorders characterized by epileptic seizures.

Neutral metals (Fe I, Cr I) beginning to gain on ionized metal lines by late F. Their spectra are characterized by the weaker hydrogen lines and ionized metals.

With the creation of the province of Azuero on April 4, 1850 this flag became the official flag of the province and subsequently, became the official flag of Los Santos province, heir of the former Azuero province.

In 2000 transition countries were characterised by a strong rebound in economic activity and by a generally more favourable economic climate .

In the field of multi agent systems, understanding how to engineer systems that are capable of presenting self organized behavior is a very active research area.

The Musteloidea in turn consists of the Mustelidae (mustelids weasels), Procyonidae (procyonids raccoons), Mephitidae (skunks) and Ailurus (red panda).

Primates are characterized by large brains relative to other mammals, as well as an increased reliance on stereoscopic vision at the expense of smell, the dominant sensory system in most mammals.

We need international crimes that are minimally characterized commonsensical analogues of domestic crimes with as little room for interpretation as possible.

Eleven radioisotopes have been characterized, with the most stable being 44Ti with a half life of 63 years, 45Ti with a half life of 184.8 minutes, 51Ti with a half life of 5.76 minutes, and 52Ti with a half life of 1.7 minutes.

38 radioisotopes have been characterized, with the most stable being praseodymium 143 with a half life of 13.57 days and praseodymium 142 with a half life of 19.12 hours.

As for other amphibians, the first Lissamphibia, characterized by the first frogs, are known from the Early Triassic, but the group as a whole did not become common until the Jurassic, when the temnospondyls had become very rare.

19 radioisotopes have been characterized with the most stable being 50Cr with a half life of (more than) 1.8 years, and 51Cr with a half life of 27.7 days.

Two months later, these protesters, whom the government referred to as hooligans , were brutally dispersed by the miners from Jiu Valley, called in by President Iliescu this event became known as the mineriad (see June 1990 Mineriad).

They were also characterized by having no armour, the development of a horny beak, an elongated pubis that eventually extended past the ilium, and a missing hole in the lower jaw.

Remember, our evolutionary conserved sequences we're using on this array allow us to detect even novel or uncharacterized viruses, because we pick what is conserved throughout evolution.

However severe disease is characterized by virtually constant ulceration (new lesions developing before old ones have healed), and may cause debilitating chronic pain and interfere with comfortable eating.

Generally speaking, the jobs that young people get abroad are also characterized by instability, with long working hours and low wages that do not ensure a decent life, and even less so a future.

In this context, if markets are characterized by what economists call perfect competition, once the opportunity cost of all inputs has been paid, there is nothing left to distribute.

The buildings in the Upper Ward are characterised by the use of small bits of flint in the mortar for galletting, originally started at the castle in the 17th century to give stonework from disparate periods a similar appearance.

) Punctuated equilibrium Early in his career, Gould and Niles Eldredge developed the theory of punctuated equilibrium, according to which evolutionary change occurs relatively rapidly, alternating with longer periods of relative evolutionary stability.

Side scrolling run and gun games are an attempt to marry platform games with shoot 'em ups, characterized by a minimal focus on precise platform jumping and a major emphasis on multi directional shooting.

The material contained in the OT levels has been characterized as bad science fiction by critics, while others claim it bears structural similarities to gnostic thought and ancient Hindu beliefs of creation and cosmic struggle.

In all, 31 radioisotopes of neodymium have been detected , with the most stable radioisotopes being the naturally occurring ones 144Nd (alpha decay with a half life (t1 2) of 2.29 1015 years) and 150Nd (double beta decay, t1 2 7 1018 years, approximately).

The Market for Lemons and Asymmetric Information Akerlof is perhaps best known for his article, The Market for Lemons Quality Uncertainty and the Market Mechanism , published in Quarterly Journal of Economics in 1970, in which he identified certain severe problems that afflict markets characterized by asymmetric information, the paper for which he was awarded the Nobel Memorial Prize.

Anglo Norman warfare during the reign of Stephen was characterised by attritional military campaigns, in which commanders tried to seize key enemy castles in order to allow them to take control of their adversaries' territory and ultimately win a slow, strategic victory.

Skyscrapers usually have particularly small surface area of what are conventionally thought of as walls, because the walls are not load bearing and therefore most skyscrapers are characterized by large surface areas of windows made possible by the concept of steel frame and curtain walls.