When the group of characters learn that some people are coming for them, they stage a counterattack, but are foiled by the astronauts who burn the last remaining books from Earth, unknowingly annihilating the entire colony.

When the alien Badoon launched an attack on Centauri IV, annihilating the human colony and methodically eradicating the natives, Astro and Yondu attempted to escape in Astro's ship.

When Rosenfeld named them, the only known leptons were electrons and muons, which are in fact of small mass — the mass of an electron () and the mass of a muon ( with a value of ) are fractions of the mass of the " heavy " proton ().

When H. pylori infection is present, the most effective treatments are combinations of 2 antibiotics ( e. g. Clarithromycin, Amoxicillin, Tetracycline, Metronidazole ) and 1 proton pump inhibitor ( PPI ), sometimes together with a bismuth compound.

When conditions are conducive to stomatal opening ( e. g., high light intensity and high humidity ), a proton pump drives protons ( H < sup >+</ sup >) from the guard cells.

When excess intracellular lactate is released into the blood, maintenance of electroneutrality requires a cation ( e. g. a proton ) to be released, as well.

When a proton encounters its antiparticle, the reaction is not as simple as electron-positron annihilation.

When a nucleus loses a proton the atomic number decreases by 1.

When the compound is not particularly acidic, and, as such, the molecule does not give up its proton easily, a base stronger than the commonly known hydroxides is required.

When light activates the retinal, the protein pumps protons across the membrane, and the organism makes ATP using the proton gradient generated.

When an excess of parahydrogen is used during hydrogenation reactions ( instead of the normal mixture of orthohydrogen to parahydrogen of 3: 1 ), the resultant product exhibits hyperpolarized signals in proton NMR spectra.

Pertwee used the phrase when he acted in the stage play Doctor Who-The Ultimate Adventure in 1989 ; When Colin Baker took over the role in the play he amended the line to " Reverse the linearity of the proton flow.

When gravitation waves with frequencies around 3, 000 Hz pass through the MiniGRAIL ball, it will vibrate with displacements on the order of 10 < sup >− 20 </ sup > m. For comparison, the cross-section of a single proton ( the nucleus of a hydrogen atom ), is 10 < sup >− 15 </ sup > m ( 1 fm ).

When in the form of thin membranes, proton conductors are an essential part of small, inexpensive fuel cells.

When deprotonated, the enediolate then collapses and, abstracting a proton from protonated glutamate 165, forms the GAP product.

When an ortho-H < sub > 3 </ sub >< sup >+</ sup > and a para-H < sub > 2 </ sub > collide, the transferred proton changes the total spins of the molecules, yielding instead a para-H < sub > 3 </ sub >< sup >+</ sup > and an ortho-H < sub > 2 </ sub >.

When an antiproton gets close to a xenon nucleus, an electron-positron pair can be produced, and with some probability the positron will be captured by the antiproton to form antihydrogen.

When I show up he will know you are a good wife to have told him about it ''.

When the Know-nothings get control, it will read, All men are created equal except Negroes and foreigners and Catholics.

When the reactionary response is thus bolstered by an intellectual defense, the characteristics of that defense are explicable only in terms of the basic attitudes of unanalyzed reaction.

When combined with the metaphysical notion that pure forms of this universe are best appreciated when least embodied in a material substratum, it becomes clear that while earth will be dross on a scale of material-formal ratios, celestial bodies will be of a subtle, quickened, ethereal existence, in whose embodiment pure form will be the dominant component and matter will be absent or remain subsidiary.

She used to tell me, `` When I stand there and look at the flag blowing this way and that way, I have the wonderful, safe feeling that Americans are protected no matter which way the wind blows ''.

When we consider the disorganized state of the world community, and the legacy of predispositions adversely directed against all who are identified as Jews, it is obvious that the struggle for the minds and muscles of men needs to be prosecuted with increasing vigor and skill.

When these fields are surveyed together, important patterns of relationship emerge indicating a vast community of reciprocal influence, a continuity of thought and expression including many traditions, primarily literary, religious, and philosophical, but frequently including contact with the fine arts and even, to some extent, with science.

When different colors are used, she is just as likely to color trees purple, hair green, etc..

When finally the two bedraggled men reach their friend's home, Voltaire's fears are once again aroused.

`` When are you to leave ''??

When the roof blocks are all in place, the final rows of wall blocks are mortared into position.

When the aid operations are reorganized the Peace Corps should remain a semi-autonomous, functional unit.

When the budget goes to trustees for approval it is the president's budget, to which his faith and credit are committed ; ;

When they have 4 to 6 leaves and are thrifty little plants, it's time to set them out where they are to remain.

When aircraft are no longer helpless on airfields, they are no longer vulnerable to Aj.

When more than two figures are separated by subtraction symbols the subtraction must be carried out from the left to right if the result is to be correct.

When they're on, the top edges are planed even with the sheer batten.

When painting, Mason's physical eyes are half-closed, while his mind's eye is wide open, and this circumstance accounts in part for the impression he wishes to convey.

When improvements are recommended in working conditions -- such as lighting, rest rooms, eating facilities, air-conditioning -- do you try to set a measure of their effectiveness on productivity??

When sufficiently accurate and complete measurements are available, it will be possible to set limits on the thermal and electrical characteristics of the surface and subsurface materials of the moon.

When some thirteen records of newly and recently born individuals are collated, little or no correlation between length and distribution can be detected.

When three dice are tossed repeatedly, what is the probability that the number of aces is 0 ( or 1, or 2, or 3 )??

When his eyes began to focus, he saw Jess charging at him with a pitchfork.

When she appeared at the store to help out for a few hours even my looking at her was surreptitious lest my Uncle notice it.

When she would do these things, he would turn blind for an instant and become sick at his stomach.

When he started school at the age of five-and-a-half, he could not understand why the alphabet begins with the letter A, instead of C, as in the scale.

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 the Revolution broke out, he, along with Jefferson and Jay, abandoned his career at the bar, with considerable financial sacrifice.

When we turn to Aristotle's ideas on the moral measure of literature, it is at once apparent that he is at times equally concerned about the influence of the art.

When Quiney and William Parsons wrote to Greville in 1593 asking his consent in the election for bailiff, they sent the letter to Mr. William Sawnders, attendant on the worshipful Mr. Thomas Bushell at Marston.

When he came home from his office at the end of the afternoon, Breasted never knew what gathering he should expect to find, but there almost always was one.

There is, of course, nothing new about dystopias, for they belong to a literary tradition which, including also the closely related satiric utopias, stretches from at least as far back as the eighteenth century and Swift's Gulliver's Travels to the twentieth century and Zamiatin's We, Capek's War With The Newts, Huxley's Brave New World, E. M. Forster's `` The Machine Stops '', C. S. Lewis's That Hideous Strength, and Orwell's Nineteen Eighty-Four, and which in science fiction is represented before the present deluge as early as Wells's trilogy, The Time Machine, `` A Story Of The Days To Come '', and When The Sleeper Wakes, and as recently as Jack Williamson's `` With Folded Hands '' ( 1947 ), the classic story of men replaced by their own robots.

When he was 15, his parents finally allowed him to attend classes at the Academy of Fine Arts in Vienna.

When the knife went into his chest, he went down at once.

When Peter had reached his majority at eighteen??

When he was going to town, nothing was good enough -- he had cursed at Winston once for leaving a fleck of polish on his shoelace.

When the whole bottom has hardened, use a disk sander to feather the edges of the cloth at the keel line and near the spray rail.

When I arrived at Viola's I was shown, to my surprise, into the kitchen.

When a witness at court was asked if he had been kicked in the ensuing rumpus, he replied, `` No, it was in the stomach ''.

When it was worn in the breast, or even on the sleeve, we at least knew where it was ''.

When we look at countries like Iran, Iraq, Pakistan, and Burma, where substantial progress has been made in creating a minimum supply of modern men and of social overhead capital, and where institutions of centralized government exist, we find a second category of countries with a different set of problems and hence different priorities for policy.

When this proposal was made, Stalin spoke with stronger emotion than at any other time during the Conference.

When we repeat the remark that such suffering was a bad thing, the feeling with which we made it last week may be at or near the vanishing point, but if we were asked whether we meant to say what we did before, we should certainly answer Yes.

When the patient was not allowed to move his body in any way at all, the following striking results occurred.