The works of Anderson amount to six thin quarto volumes, and as the last of them was published in 1619, it is probable that the author died soon after that year, but the precise date is unknown.

This allows for determination of the amount of a chemical in a material by comparing the results of unknown sample to those of a series known standards.

Another research indicates there is a strong link between essential tremor in males and the amount of meat consumed, but the exact mechanism is yet unknown.

Because of the manner in which the head of the Soviet project, Lavrenti Beria, used foreign intelligence ( as a third-party check, rather than giving it directly to the scientists, as he did not trust the information by default ) it is unknown whether Fuchs's fission information had a substantial effect ( and considering that the pace of the Soviet program was set primarily by the amount of uranium they could procure, it is hard for scholars to accurately judge how much time this saved the Soviets ).

* April 2 – Sverdlovsk Anthrax leak: A Soviet biowarfare laboratory at Sverdlovsk accidentally releases airborne anthrax spores, killing 66 plus an unknown amount of livestock.

This is equal to the amount of additional information ( in bits, if the base of the logarithm is 2 ) which is provided when a raven of unknown color is discovered to be black, given the hypothesis that not all ravens are black.

The amount of economically recoverable oil shale is unknown.

Bioassays are conducted by determining the amount of preparation of unknown potency required to produce a definite effect on suitable test animals or organs or tissue under standard conditions.

Thus the amount of the test substance required to produce the same biological effect as a given quantity the unit of a standard preparation is compared and the potency of the unknown is expressed as a % of that of the standard by employing a simple formula.

Students might be given a fluid sample containing an unknown ( to the student ) amount of protein.

In the illustration, the results for the diluted test samples can be compared to the results of the standard curve ( the blue line in the illustration ) in order to determine an estimate of the amount of protein in the unknown sample.

In June 2004, Alcover filed a civil lawsuit against Givens and her sister ( the owner of the SUV Givens was driving ) for an unknown amount.

When these assumptions are violated there is an unknown amount of uncertainty introduced into the reported value of what the 100-year flood means in terms of rainfall intensity, or river flood depth.

He later reappears in Kingdom Hearts 358 / 2 Days, finding a large amount of treasure maps all leading to boxes that are actually set to release Heartless once Hook opens the chest ( unknown to Hook and Smee, however, is that these chests were set up to help build Pete's Heartless army ).

The sample with an unknown amount of antigen is immobilized on a solid support ( usually a polystyrene microtiter plate ) either non-specifically ( via adsorption to the surface ) or specifically ( via capture by another antibody specific to the same antigen, in a " sandwich " ELISA ).

Spain legally amassed approximately 180 tons of gold and 8200 tons of silver through its endeavors in the New World, and another unknown amount through smuggling, spending this money to finance wars and the arts.

In addition, export quotas on Chinese rare earth elements have resulted in an unknown amount of supply.

Objects that use this pattern are generally only in a state that is prone to balking temporarily but for an unknown amount of time.

By the time Major Mills got his men back under control, the police had fired 114 rounds of rifle ammunition, and an unknown amount of revolver ammunition as well, not counting 50 rounds fired from the machine guns in the armoured car outside the Park.

Ingram told the press that he did not know how much that meal cost, but that a charitable donation of an unknown amount had been given to a charity whose name he did not know, equivalent to her share of the meal.

Smith fought longer but also eventually settled for an unknown amount.

Absurdism, therefore, is a philosophical school of thought stating that the efforts of humanity to find inherent meaning will ultimately fail ( and hence are absurd ) because the sheer amount of information as well as the vast realm of the unknown make certainty impossible.

Therefore, the cumulative amount of the future royalty payments is also an unknown.

* An amount of information is a quantification of how large a given instance, piece, or pattern of information is, or how much of a given system's information content ( its instance ) has a given attribute, such as being known or unknown.

In one experiment, Redi took six jars, which he divided in two groups of three: in the first jar of each group, he put an unknown object ; in the second, a dead fish ; in the last, a raw chunk of veal.

In March 2008 major recalls of Heparin were announced by pharmaceuticals due to a suspected and unknown contamination of the raw Heparin stock imported from China.

However, they remain unknown to the public at large due to their political incorrectness and raw style.

Often the relative carbon footprint of production, raw material sourcing and the supply chain is unknown.

Advanced metalwork is unknown, as raw materials on the island are extremely rare.

On 29 – 31 October 2011, a large but unknown quantity of raw sewage was deliberately diverted into the Crane.

European Amanita rubescens is known to contain a hemolytic poison in its raw state ; it is unknown whether North American A. rubescens and A. novinupta are similarly toxic in its raw state.

Previously unknown sections of the film were discovered in film museums and archives around the world, and the footage was digitally cleaned and repaired to remove defects.

The flickering black-and-white footage, ( characteristic of F2 propagation ) included Jasmine Bligh, one of the original BBC announcers, and a brief shot of Elizabeth Cowell, who also shared announcing duties with Jasmine, an excerpt from an unknown period costume drama and the BBC's station identification logo transmitted at the beginning and end of the day's programmes.

In 1985 a relatively unknown producer named Steve Rotfeld began compiling stock footage of various sports-related errors and mistakes and compiled them into a program known as Bob Uecker's Wacky World of Sports.

( However, the appearance in Battlefront II was archive footage and it is unknown whether it was him or another actor in the role of Calrissian in Elite Squadron however he appears through Archive footage for that games full-motion sequences ).

Williams voiced Lando Calrissian in the video game Star Wars Jedi Knight II: Jedi Outcast and Star Wars Battlefront as well as the spin-off Star Wars Battlefront: Elite Squadron ( however, the Battlefront appearances were archive footage and his voice-appearance in Elite Squadron is left uncredited or unknown ).

While a narrator talks about the LZ 127 Graf Zeppelin, footage of the LZ 130 Graf Zeppelin II under construction is erroneously shown ; it is therefore unknown if the newsreel was genuine.

A man of good looks and high society, he was among a number of Formula One drivers rumoured to be the unknown driver in Claude Lelouch's 1977 short footage film C ' était un rendez-vous, although Lelouch claimed to have driven the car himself.

* " Mum " – 2: 42 ( director / editor unknown, uses footage from Darfur )

The status of the KTLA series is unknown ; brief footage is known to survive through 1972 CBS promos.

The fate of the footage is unknown.

Chance interception of high-level communication is not unknown: during the 1982 Falklands conflict, a radio ham in London had intercepted and taped a conversation between the then-Prime Minister's press secretary Sir Bernard Ingham and the Assistant Director-General of the BBC, in which the BBC was pressurised into sharing war footage with commercial rivals ITN.

Leaked footage of Reich was later uploaded to YouTube by an unknown source.