When 1 ml of conjugate was passed through a column ( Af ), the first and second milliliter fractions collected were the most specific and gave no nonspecific staining in some experiments, and very little in others.

When this is not possible, proper blocking, replication, and randomization allow for the careful conduct of designed experiments.

When animals or people free-run, experiments can be done to see what sort of signals, known as zeitgebers, are effective in entrainment.

When Watt returned to Britain, he began experiments along these lines with hopes of finding a commercially viable process.

When dealing with experiments that are random and well-defined in a purely theoretical setting ( like tossing a fair coin ), probabilities describe the statistical number of outcomes considered divided by the number of all outcomes ( tossing a fair coin twice will yield HH with probability 1 / 4, because the four outcomes HH, HT, TH and TT are possible ).

When Germain's correspondence with Gauss ceased, she took interest in a contest sponsored by the Paris Academy of Sciences concerning Ernst Chladni's experiments with vibrating metal plates.

When he returned to Brazil, he conducted experiments in wireless in Campinas and São Paulo ( 1892 – 1893 ).

When being interrogated, the scientist briefly mentions Gruinard Island and how it will be uninhabitable for a century due to anthrax experiments.

When used, however, experiments typically follow the form of the clinical trial, where experimental units ( usually individual human beings ) are randomly assigned to a treatment or control condition and one or more outcomes are assessed.

When these variables are not well correlated, natural experiments can approach the power of controlled experiments.

When Damon was 9, he moved to Turkey for three months before settling in Oldham, Essex, outside Colchester, in an area described by Albarn as " one of those burdgoening Thatcher experiments where they were building loads of small estates ".

When the experiments backfire, Barnabas turns on her.

When the Doctor first visits the planet in the 1963 serial The Daleks, Skaro is a nuclear wasteland, whose principal features are a petrified forest, the endless highly acidic rain, a lake containing the results of Davros ' early experiments, and the Dalek city, Kaalann.

When he expels the brilliant Jewish student Albert Michaelson, a scientific genius whose experiments on the streets of Virginia City often cause commotion, Ben Cartwright steps in and confronts Norton on his bigotry.

When religion is related to reform movements of the period, such as abolition, women's rights, and utopian social experiments, the region expands to include areas of central New York that were important to these movements.

When there are many attributes, experiments with Conjoint Analysis include problems of information overload that affect the validity of such experiments.

When Steuben's success at producing blanks for Hawkes became assured, Carder began to experiment with colored glass and continued experiments that were started in England.

When he was nine, Beckman found an old chemistry textbook and began trying out the experiments.

When the Yuuzhan Vong captured Yavin 4, she was taken prisoner and subjected to experiments designed to create a Vong-human hybrid.

When an alien race's experiments in eternal universal observation cause damage to Eternity, he is narrowly saved by the actions of the Fantastic Four, Doctor Strange, Black Panther, Storm, Gravity and the Silver Surfer, Strange using Gravity as a ' scalpel ' based on his gravity-wielding powers to cut out the damaged portions while Storm serves as a temporary host to Eternity's consciousness as the other heroes hold back the universe's ' antibodies ' as they try to attack the perceived cause of the damage.

When the experiments do not go well, the scientist becomes enraged and hacks the body to pieces.

When performing experiments with denaturants, surfactants or other amphiphilic molecules, the microenvironment of the tryptophan might change.

When he had finished he led him and the mare to the porch.

When Fred Powell's brother-in-law, Charlie Keane, moved into the dead man's home, the anonymous letter writer took no chances on Charlie taking up where Fred had left off and wasted no time on a first notice:

When several minutes had passed and Curt hadn't emerged from the livery stable, Brenner reentered the hotel and faced Summers across the counter.

When the sea was visible ahead of them, the relief was as great as if the sun had come out.

`` When I was in college '', I grinned, `` I remember a poem I had to read in my lit class.

When he sank on his knees, they had allowed him to char without administering the stroke of mercy.

When they had licked the last of the wieners' taste from their fingers, they settled back, and Cappy offered Ernie a cigarette.

When I mentioned that for my first long voyage I did not even have the money for the return fare, but had trusted to luck that I would earn a sufficient amount, the young people looked at me doubtingly.

When, in 1832, the South Carolina nullifiers adopted the principle of state interposition which Madison had advanced in his old Virginia Resolve, they elicited no encouragement from that senior statesman.

When these had been pocketed, we could still spend a morning cracking open other pebbles for our delight in seeing how much prettier they were inside than their dull exteriors indicated.

When the hay wagon had gone, and an interval passed, a huckster's cart might turn the corner.

When Peter B. Kyne ( Pride Of Palomar, 43 ) informed us in 1921 that we had an instinctive dislike for the Japanese, did the heated debates of the Californians settle the truth or falsity of the proposition??

When the possibility that he had not given reconsideration to so weighty a decision seemed to disconcert his questioners, Mr. Eisenhower was known to make his characteristic statement to the press that he was not going to talk about the matter any more.

When May came the Caravan had already crossed the Equator.

When Captain John Gibault of Salem had visited Burma in 1793 his ship, the Astra, had been promptly commandeered and taken by her captors up the Irrawaddy River.

When he discovered they had received from the Company's Court of Directors no permission to live in India, coupled with the fact that they were Americans who had been sent to Asia to convert `` the heathen '', he became more belligerent than ever.

When he remembered that he might have not signed the check, Mercer made out another for the same amount, instructing the bank to destroy the other -- especially if he had happened to have absent-mindedly signed both of them.

When Johnny Mercer and Harold Arlen began their collaboration in 1940, Mercer, like Arlen, had several substantial film songs to his credit, among them `` Hooray For Hollywood '', `` Ride, Tenderfoot, Ride '', `` Have You Got Any Castles, Baby??

When Nan Patterson, a stunning and money-minded chorus girl who had appeared in a Floradora road show, rode down Broadway in a hansom cab with her married lover, Frank Young, she stopped the cab to disclose that Young had been shot dead, tearfully insisting that he had shot himself although experts said he could not have done so.

When, in March, 1640, the two towns were united under Coddington, Gorton claimed the union was irregular and illegally constituted and that it had never been sanctioned by the majority of freeholders.

When the captives arrived in Boston, `` the chaplain ( of their captors ) went to prayers in the open streets, that the people might take notice what they had done in a holy manner, and in the name of the Lord ''.