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trees may be very simple, such as those found on a low- pressure well that must
be pumped, or they may be very complex, as in the case of a high-pressure well
with multiple producing strings. Artificial lift. Many oil wells do not have a ...
The production of emulsions depends on the emulsifying agent used. Equipment
includes a wide variety of agitators, colloid mills, homoge- nizers, and ultrasonic
devices. Radioactive dosage forms. A radiophannaceutical is a medical product ...
hybrid seed. The production of hand-produced Fj hybrid seed of other plants,
including ornamental flowers, has been economical only because greenhouse
growers and home gardeners have been willing to pay high prices for hybrid
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The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review