When infants are taught to sign, parents are able to converse with them at a developmental stage when they are not yet capable of producing vocal speech, which requires fine control of both breathing and the vocal tract.

When separating proteins or small nucleic acids ( DNA, RNA, or oligonucleotides ) the gel is usually composed of different concentrations of acrylamide and a cross-linker, producing different sized mesh networks of polyacrylamide.

When food is plentiful, many hydras reproduce asexually by producing buds in the body wall, which grow to be miniature adults and simply break away when they are mature.

When not coerced legally to do otherwise, monopolies typically maximize their profit by producing fewer goods and selling them at higher prices than would be the case for perfect competition.

When air masses move up and over mountains, the air cools producing orographic precipitation ( rain or snow ).

When thrown against a hard surface, the glass would shatter and the contents would instantly ignite, liberating choking fumes of phosphorus pentoxide and sulphur dioxide as well as producing a great deal of heat.

When not touring, Wertico divides his career among session work, producing, teaching, composing and leading his own groups.

When the union with Sweden was dissolved in 1905, the university became important for producing highly educated men and women who could serve as experts in a society which placed increasing emphasis on ensuring that all its citizens enjoy a life of dignity and security.

When there are two independent causes of variability capable of producing in an otherwise uniform population distributions with standard deviations and, it is found that the distribution, when both causes act together, has a standard deviation.

When the oxygen is depleted, fermentation begins, producing ethanol as a waste product ; however, this evaporates during baking.

When done properly this produces a received signal which more closely resembles the original or desired signal, allowing the use of higher frequencies or producing fewer bit errors.

When the French Government first investigated the idea of overhauling their system of measurement, Talleyrand, in the late 1780s, acting on Concordet's advice, invited Riggs, a British Parliamentarian and Thomas Jefferson, the American Secretary of State to George Washington, to work with the French in producing an international standard by promoting legislation in their respective legislative bodies.

During this time, Fox put much of its efforts into producing reality fare such as Who Wants to Marry a Multi-Millionaire ?, Temptation Island, Married by America and Joe Millionaire, as well as video clips shows such as World's Wildest Police Videos and When Animals Attack!

When V < sub > 2 </ sub > is " off ", V < sub > 4 </ sub > is " off " as well and V < sub > 3 </ sub > operates in active region as a voltage follower producing high output voltage ( logical " 1 ").

When the person stops drinking, the body tries to make up for lost time by producing more glutamine than it needs.

When carbon dioxide dissolves in water it exists in chemical equilibrium producing carbonic acid:

After producing a film adaption of his 1968 novel Only When I Larf, Deighton and photographer Brian Duffy bought the film rights to Joan Littlewood and Theatre Workshop's stage musical Oh, What a Lovely War!

When their royal jelly producing glands begin to atrophy, they begin building comb cells.

When this play moved to the Criterion in Piccadilly with Michael Codron directing, he was visited backstage by Stanley Baker, one of the four stars in Caine's first film, A Hill In Korea, who told him about the part of a Cockney corporal in his upcoming film Zulu, a film Baker was producing and starring in.

When courting, the male ascends some 30m before diving over an interested female at high speed and producing a high-pitched sound.

When the company began producing comic books in autumn 1939, Beck was assigned to draw a character created by writer Bill Parker called " Captain Thunder ".

When the first lunar nightfall came on May 3, 1967, Surveyor 3 was shut down because its solar panels were no longer producing electricity.

When he could not find the end to the knot to unbind it, he sliced it in half with a stroke of his sword, producing the required ends ( the so-called " Alexandrian solution ").

When the band broke up in 1979, all three members began producing albums for other artists.

When Toho began producing a new generation of monster movies in the late 1980s, beginning with Godzilla 1985, UPA capitalized on its Toho contract and helped introduce the new kaiju features to the Western world.

Neurons generate electrical signals that travel along their axon s. When a pulse of electricity reaches a junction called a synapse, it causes a neurotransmitter chemical to be released, which binds to receptors on other cells and thereby alters their electrical activity.

When an action potential, traveling along an axon, arrives at a synapse, it causes a chemical called a neurotransmitter to be released.

When heat and pressure are applied to the layers, a chemical reaction ( polymerization ) transforms the layers into a high-pressure thermosetting industrial laminated plastic.

When two distinct elements are chemically combined, with the atoms held together by chemical bonds, the result is termed a chemical compound.

When applied to the simplest two-electron molecule, H < sub > 2 </ sub >, valence bond theory, even at the simplest Heitler-London approach, gives a much closer approximation to the bond energy, and it provides a much more accurate representation of the behavior of the electrons as chemical bonds are formed and broken.

When a particular substance, whether chemical or biotic — reaches unsafe levels in the bloodstream, the body can effectively dilute — or at least maintain equilibrium of — the offending substances by storing it in new fat tissue.

When heat is applied to the meat a chemical reaction happens that turns the hemoglobin white.

When it appears, it imparts to chemical structures some of the reactive and interactive properties of the-OH of water ( ionizability, hydrogen bonding, etc .).

When the Justice Society's forced attempt to stop them by sending Hawkman and Captain Marvel against them met with failure and resulted in Superman and Batman briefly infiltrating the White House, Luthor, in an enraged and desperate gambit after Superman's rapid defeats of his plans, used a variant combination of the " super-steroid " Venom ( a chemical associated with the Batman villain Bane ), liquid synthetic Kryptonite, and an Apokoliptian battlesuit to fight Superman directly.

When a meteoroid enters the atmosphere, frictional, pressure, and chemical interactions with the atmospheric gasses cause the body to heat up and emit light, thus forming a fireball, also known as a meteor or shooting / falling star.

When describing the pharmacokinetic properties of a chemical, pharmacologists are often interested in LADME:

When the solution comes into contact with air the chemical reaction that created it is reversed and particles of calcium carbonate are deposited.

When this happens the solution comes into contact with air and another chemical reaction takes place.

When dry, clay becomes firm and when fired in a kiln, permanent physical and chemical changes occur.

When rocks melt they do so incrementally and gradually ; most rocks are made of several minerals, all of which have different melting points, and the physical / chemical relationships controlling melting are complex.

When this light encounters a pigment, parts of the spectrum are absorbed by the chemical bonds of conjugated systems and other components of the pigment.

When khat leaves dry, the more potent chemical, cathinone, decomposes within 48 hours leaving behind the milder chemical, cathine.

When the cell is not fully charged, most of this energy is converted to chemical energy.

When discovered on the eve of World War II, this insight led multiple countries to begin programs investigating the possibility of constructing an atomic bomb — a weapon which utilized fission reactions to generate far more energy than could be created with chemical explosives.

When a sink becomes stopped-up or clogged, a person will often resort to use a chemical drain cleaner or a plunger, though most professional plumbers will attack the clog with a drain auger ( often called a " plumber's snake ").

When expressed as a series of chemical processes it often includes seven or twelve stages concluding in multiplication, and projection.