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公开(公告)号：US20210161082A1
公开(公告)日：2021-06-03
申请号：US17040681
申请日：2019-03-25
摘要： An air distribution conduit (1) for use in a greenhouse defined by an elongated lower end (2) of an elongated cultivation gutter (3) and by an elongated flexible sheet (4) having two elongated side ends (5,6) which elongated side ends (5,6) are connected to the elongated cultivation gutter (3) and wherein the conduit (1) is provided with multiple openings (12,19) along its length fluidly 0 connecting the interior (13) of the conduit (1) with the exterior (14) of the conduit (1).
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公开(公告)号：US20190150376A1
公开(公告)日：2019-05-23
申请号：US16091665
申请日：2017-04-04
摘要： A process to reduce the temperature of a feed of air by (a) contacting the feed of air with liquid water, wherein part of the water evaporates to obtain air with a higher humidity and a reduced temperature. The air obtained in step (a) is contacted in step (b) with an aqueous hygroscopic solution to obtain air with a reduced humidity. In a step (c) the air obtained in step (b) is contacted with liquid water, wherein part of the water evaporates to obtain air with a reduced temperature as compared to the air obtained in step (a). In a step (d) the water diluted hygroscopic solution obtained in step (b) is concentrated and cooled to obtain a concentrated and cooled hygroscopic solution, with the solution being used as the aqueous hygroscopic solution or as part of the aqueous hygroscopic solution in step (b).
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