Definitions
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Mach.) Acting directly, as one part upon another, without the intervention of other working parts.
- adjective one in which motion is transmitted to the crank without the intervention of a beam or lever; -- also called
direct-action steam engine . - adjective one in which the steam piston rod is directly connected with the pump rod; -- also called
direct-action steam pump .
Etymologies
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Examples
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Its key experimental medicine, Setrobuvir, is a direct-acting antiviral compound that is currently being evaluated by the U.S. company in a phase II study in combination with Roche's Pegasys and Copegus.
Roche Buys U.S.-Based Anadys in Bid to Boost Hepatitis Franchise Goran Mijuk 2011
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It is advisable to use a direct-acting alpha-adrenergic agonist, such as norepinephrine, because their actions are not dependent upon the release of intracellular amines, the metabolism and availability of which are altered by MAO-I's.
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Biotron said BIT225 is the first in a new class of direct-acting antiviral drugs for hepatitis C, targeting a specific virus protein essential to virus production and replication.
Biotron Soars on Results for Hepatitis C Drug Gavin Lower 2011
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It is obvious that the theoretically perfect air compressor is a direct-acting one with a conical air cylinder, the base of the cone being nearest the steam cylinder.
Scientific American Supplement, No. 799, April 25, 1891 Various
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Norwalk direct-acting straight line air compressor, with compound air cylinder.
Scientific American Supplement, No. 799, April 25, 1891 Various
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Experience has conclusively proved that it does not pay to build air compressors with vertical cylinders, and moreover we have found out that there is nothing in the apparent difficulty in equalizing the strains in a direct-acting engine.
Scientific American Supplement, No. 799, April 25, 1891 Various
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This a straight line direct-acting engine, with steam and air pistons connected to a single rod through a crosshead which connects with two fly wheels.
Scientific American Supplement, No. 799, April 25, 1891 Various
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Steam is generated in forty boilers, fired by furnace gas, for eight vertical direct-acting blowing engines.
The Johnstown Horror!!! or, Valley of Death, being A Complete and Thrilling Account of the Awful Floods and Their Appalling Ruin James Herbert Walker
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The early direct-acting compressor used steam at full pressure throughout the stroke.
Scientific American Supplement, No. 799, April 25, 1891 Various
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It will be observed that each steam cylinder has an air cylinder connected directly to the tail rod of its piston, so that it is a direct-acting machine, except in that the strains are transmitted through a single fly wheel, which is attached to
Scientific American Supplement, No. 799, April 25, 1891 Various
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