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Knock off

These should be physically robust and well supported so they cannot be knocked off accidentally or vibrate until they fail by fatigue. [Pg.176]

Figure 10-11. Condensate in the steam—the result of too few steam traps-knocked off the impingement plate and damaged the calandria tubes. Figure 10-11. Condensate in the steam—the result of too few steam traps-knocked off the impingement plate and damaged the calandria tubes.
Reactions under pressure are usually carried out in an autoclave. However, several simple vessels can be used for reactions at moderate pressure. A heavy walled Pyrex test tube or Kjeldahl flask drawn out and sealed with an oxygen torch makes a suitable container for many Diels-Alder reactions. The tube can be heated in an oil or water bath, but care must be exercised to protect against explosions. At the conclusion of the reaction, the tube is cooled to room temperature, the neck is scratched with a file or carborundum chip, and a hot Pyrex rod is touched to the scratch. A large crack in the neck should result, and the sealed top can be easily knocked off. [Pg.172]

Abklingzeit,/. decay period, abklopfen, v.t. beat beat off, knock off scale off (Med.) percuss, abklbren, v.t. boil out (for redyeing). abkoalleUt v.t. go off, explode. — v.t. fire off. abkneifen, v.t. pinch off, nip off. abknicken, v.t. bend (sharply) crack or snap off. [Pg.5]

The mojito is also being knocked off and reinvented—the sincer-est form of flattery. Douglas Rodriguez, the Latino celebrity chef, serves a mojito martini at Chicama in New York—a two-fisted attempt to grab two trends at once. Mary s Off Jane, a New York cafe, bakes mojito cookies. [Pg.123]

Design of vessel and vent line pipe supports is very important because very large forces can be encountered as soon as venting begins. Figure 4 shows the equations and nomenclature to calculate forces on pipe bends. The authors have heard of situations where vent line bends have been straightened, lines broken off, or vent catch tanks knocked off their foundations by excessive forces. For bends, the transient effects of the initial shock wave, the transition from vapor flow to two-phase flow, and steady state conditions should be considered. Transient conditions, however, are likely to be so rapid as to not have enough dura-... [Pg.335]

False. In the UK you are not required to wear a helmet whilst cycling. However, should you fall or be knocked off your bike, wearing a helmet could save you from a potentially life-threatening head injury. [Pg.21]

King s College condenser, 131 Knives, glass-cutting, 37 Knocking off bits of tubing, 51 Koz/m/glass, 23,112 Komr alloys, 111 Kovar-io-Pyrex 102, 112... [Pg.96]

Sometimes there is not enough tubing left beyond the scratch to hold in the hand, so that the normal method for small tubing (p. 49) cannot be used. The easiest method to use in this case is to scratch the tube and then place it on the top of a triangular file, with the scratch opposite to and above the edge of the file (Figure IQ. The end of the tube is then knocked off by giving it a sharp blow with a heavy object. [Pg.125]

To fix on the window as shown in Figure 75,7, a bulb is blown in the capillary, the top of the bulb is blown out to a bubble, knocked off, and the end remaining is fire-polished and finally ground flat. The tube can be filled with gas through a side arm joined to one of the electrode chambers the spectrum tube may be sealed off, or provided with a stopcock. TIk capillary tube in Figure 75, II, is sealed to the glass at one end only of the capillary. To do this, the capillary is joined to a wider tube, which is cut off and flared out to make the... [Pg.176]

Metals are immune to radiation damage by ionization. This is also a consequence of the free electron structure. Fast charged particles and ionizing rays can knock off electrons from the atoms they encounter. In metals, the positive vacancies so formed are immediately filled up by the electron gas, leaving no sign of damage apart from a small amount of heat. [Pg.7]

All operations take place simultaneously in different stations. Sixteen stations were commonly used in earlier machines with outputs between 500 and 1000 TPM and tablet diameters up to 15 mm. Presses with outputs orders of magnitude greater than the above are now widely available. The dies are filled as they pass beneath a stationary feed frame, which may be fitted with paddles to aid material transfer. The die cavities are completely filled and excess ejected prior to compression. Compression involves the movement of both punches between compression rolls, in contrast to single station operations where only the upper punch effects compression. Ejection occurs as both punches are moved away from the die on cam tracks until the tablet is completely clear of the die, at which point it hits the edge of the feed frame and is knocked off the press. Tooling pressure may be exerted hydraulically, rather than through the use of mechanical camming actions, as is the case with machines produced by Courtoy. [Pg.318]

We all know that the losses in the output capacitor of any Flyback are high, due to the choppy waveform of the current they encounter coming through the diode. It is obvious that reducing the ESR to zero would totally knock off a major chunk of losses, boost the published efficiency curves, and allow a much higher maximum achievable power for the device. However, OmQ would have been much too obvious, wouldn t it So it was a case of Buck the ESR and Boost the efficiency. In other words, a perfect Buck-Boost. [Pg.125]

The first explosion occurred without warning. One man 14 ft from the furnace was knocked off his feet. No fire or smoke was reported. About 5 sec later a second and more violent explosion occurred. The entire area... [Pg.183]

Light is strong enough to knock off electrons from cesium, which makes this phenomenon useful as a coating for photoelectric cells and electric eye devices. Cesium iodide (Csl) is used in scintillation counters (Geiger counters) to measure levels of external radiation. It is also useful as a getter to remove air molecules remaining in vacuum tubes. [Pg.61]

Two problems with particle collection by impactors are bounce-off and reentrainment (John, 1995). Reentrainment is the resuspension of a previously collected particle from the surface into the gas flow due either to the motion of the air over the surface or to impact of an incoming particle. When a particle strikes a surface, if it does not stick, it can bounce off back into the gas steam, break into fragments, or cause a previously adsorbed particle to be knocked off into the gas stream in all three cases the collection efficiency is lowered and the net effect is referred to as bounce-off. To minimize these problems, the surface of the impactor is often coated with a soft, energy-absorbing substance such as oil, water, grease, resin, or paraffin, which helps... [Pg.610]


See other pages where Knock off is mentioned: [Pg.2300]    [Pg.177]    [Pg.201]    [Pg.174]    [Pg.5]    [Pg.9]    [Pg.432]    [Pg.129]    [Pg.81]    [Pg.35]    [Pg.125]    [Pg.183]    [Pg.150]    [Pg.198]    [Pg.439]    [Pg.441]    [Pg.6]    [Pg.90]    [Pg.161]    [Pg.163]    [Pg.460]    [Pg.315]    [Pg.316]    [Pg.173]    [Pg.76]    [Pg.543]    [Pg.390]    [Pg.712]    [Pg.242]    [Pg.243]    [Pg.233]    [Pg.241]    [Pg.442]   
See also in sourсe #XX -- [ Pg.151 ]




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