This is the one part of the HIV virus outer coating that does not change, because it is the attachment point to T lymphocytes, the key cell in cell-mediated immunity.

* 1876 – The April Uprising, a key point in modern Bulgarian history, leading to the Russo-Turkish War and the liberation of Bulgaria from domination as an independent part of the Ottoman Empire.

A key point which is often overlooked is that published lower bounds for problems are often given for a model of computation that is more restricted than the set of operations that you could use in practice and therefore there are algorithms that are faster than what would naively be thought possible.

This was a key turning point in the Battle of the Atlantic, enabling the Royal Air Force, the U. S. Army Air Forces, and the U. S. Navy to provide aerial coverage in the Mid-Atlantic gap.

Beef extract was eventually reintroduced as a key Bovril ingredient in 2006, after the European Commission lifted its ban on the export of Britain's beef products ; it was only at this point that the manufacturer stated explicitly that this had been the main reason for beef's removal.

Calvin considered the first coming of Christ as the key turning point in human history.

As the key size increases, so does the complexity of exhaustive search to the point where it becomes impractable to crack encryption directly.

Cameroon lies at a key point in the Trans-African Highway network, with three routes crossing its territory:

Such keyboards use a minimum of seven keys, where each key corresponds to an individual braille point, except one key which is used as a spacebar.

* A key plot point in the comedy Evolution involves nitrogen-based life forms, and using selenium-based shampoo to poison them ( with the bonus of a product placement for Head & Shoulders ).

Episodes ( if applicable ) and entries are usually alternated until the " final entry " of the subject, by which point the music has returned to the opening key, or tonic, which is often followed by closing material, the coda.

A key point in finance, which affects decisions, is the time value of money, which states that a unit of currency today is worth more than the same unit of currency tomorrow.

Partition was not by itself the key breaking point between pro-and anti-Treaty campaigners ; both sides expected the Boundary Commission to emasculate Northern Ireland.

The 1857 Sepoy Rebellion, or Indian Mutiny, an uprising initiated by Indian troops, called sepoys, who formed the bulk of the Company's armed forces, was the key turning point.

Her rage at losing makes her join the Greeks in the battle against Paris's Trojans, a key event in the turning point of the war.

related to Polish & Russian ' klucz ' ( a key, a hint, a main point )

For example, a key frame could be set to indicate the point at which audio will have faded up or down to a certain level.

" He then seized the records, snatched the bill from the hands of the clerk, drove the members out at the point of the bayonet, locked the doors, put the key in his pocket, and returned to Whitehall.

Although Whitehurst described the FBI's sloppy investigation of the bombing site and its handling of other key evidence, he was unable to point to any direct evidence that he knew to be contaminated.

A key point of contention in the case was the unmatched left leg found after the bombing.

The key point is that if no one else is keen to bet, then the most a player can raise by ( in a limit game ) is one single bet.

In concrete terms, from a security point of view, there is now a " single point of failure " in the public key revocation system.

There are but two means of spreading information ( i. e. a key revocation ) in a distributed system: either the information is " pushed " to users from a central point ( or points ), or else it is " pulled " from a central point ( or points ) by the end users.

I have just asked these questions in the Pentagon, in the White House, in offices of key scientists across the country and aboard the submarines that prowl for months underwater, with neat rows of green launch tubes which contain Polaris missiles and which are affectionately known as `` Sherwood Forest ''.

The symposium provides an opportunity to confront the self with specific statements which were made at particular times by identifiable communicators who were addressing definite audiences -- and throughout several hundred pages everyone is talking about the same key symbol of identification.

When he was bent over behind the wheel of the station wagon, feeling in his trouser cuffs for the ignition key which he had dropped a moment before, she came out of the house with an enormous Rumanian shawl over her head, which she had bought in that country during one of their trips abroad, and handed him a clean handkerchief through the window.

The long-range objective is to bring about consolidation of ownership through use of land exchange authority and through purchase on a moderate scale of inholdings which comprise key tracts for recognized National Forest programs such as recreation development, or which are a source of damage to lands in National Forests and National Grasslands.

Over a relatively short period of time, usually about four to twelve weeks, the worker must be able to shift the focus, back and forth, between immediate external stressful exigencies ( `` precipitating stress '' ) and the key, emotionally relevant issues ( `` underlying problem '' ) which are, often in a dramatic preconscious breakthrough, reactivated by the crisis situation, and hence once again amenable to resolution.

Similarities to the approach which I have described are evident in the prompt establishment of a helping relationship, quick appraisal of key issues, and the immediate mobilization of treatment plans as the essential dynamics in helping to further the ego's coping efforts in dealing with the interplay of inner and outer stresses.

In order to focus clearly upon the operation of this one force, which we may call the effect of `` public-limit pricing '' on `` key '' wage bargains, we deliberately simplify the model by abstracting from other forces, such as union power, which may be relevant in an actual situation.

Pulley had set her up at the Semiramis Hotel, but she grew impatient waiting for a royal reception and moved to a luxurious apartment to which the royal pimp had no key.

Mr. Schaefer also recommended that the snow emergency route plan, under which parking is banned on key streets and cars are required to use snow tires or chains on them, should be `` strictly enforced ''.

A publicity release from Oregon Physicians Service, of which Harvey is president, quoted him as saying the welfare office move to Salem, instead of `` crippling '' the agency, had provided an avenue to correct administrative weaknesses, with the key being improved communications between F & A and the commission staff.

and one U.S. official said: `` The key question now is which side picks up the phone first ''.

The committee debated the possibility of a shift key function ( like the Baudot code ), which would allow more than 64 codes to be represented by six bits.

A key text is Jeff Nuttall's book Bomb Culture ( 1968 ), which traced this pervasive theme in popular culture back to Hiroshima.

A key problem in the design of good algorithms for this problem is that formulas for the variance may involve sums of squares, which can lead to numerical instability as well as to arithmetic overflow when dealing with large values.

In July 1992, Azerbaijan ratified the Treaty on Conventional Armed Forces in Europe ( CFE ), which establishes comprehensive limits on key categories of conventional military equipment.

AES is a variant of Rijndael which has a fixed block size of 128 bits, and a key size of 128, 192, or 256 bits.

He desired to invade Africa, which, thanks to its grain, had become the key to holding Italy.

His reign was marred by a constitutional struggle with the Aragonese nobles, which eventually culminated in the articles of the Union of Aragon-the so-called " Magna Carta of Aragon ", which devolved several key royal powers into the hands of lesser nobles.

Ambergris is key to the Ian Cameron novel The Lost Ones, from which came the 1974 Disney film, The Island at the Top of the World.

The Book of Amos contains several different key activities and genres which are used to expound upon its themes.