A nano-particle foam unloading agent applied in unloading liquid of deep gas well
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چکیده
منابع مشابه
What is Phloem unloading?
Several studies of phloem unloading have failed to distinguish between transport events occurring at the sieve element/companion cell boundary and subsequent short-distance transport through parenchyma cells. Indirect evidence has been obtained for symplastic unloading in storage and utilization sinks. In other sinks transfer to the apoplast may occur, but not necessarily at the sieve element/c...
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In the chemical industry, many process operations depend on complex multi-phase flow processes. Apart from the transport of fluids through pipelines or vessels, flow processes in combination with chemical reactions, heat and mass transfer are of crucial importance. Detailed knowledge of the local parameters becomes more and more important with increased development levels of process operation. ...
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1543 it before publication.' We have recently become aware of a published thesis by Margot M. Bartelings8 at the University of Leiden that discusses cardiac development and uses the new terminology of Pexieder et a17 as well as the classic nomenclature. Although we are in general satisfied with this suggested nomenclature,7 we believe it would benefit from clarification on two points. For our o...
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A new approach to the design of light manipulator arms with long links is proposed in this paper. In contrast with traditional schemes, a flexible link is provided with a special force unloading system (FUS) having electrohydraulic drives. As a result, the static and dynamic errors caused by link structural deflections are minimized. Strategy of control the unloading actuators with measuring st...
متن کاملHindlimb unloading alters ligament healing.
We investigated the hypothesis that hindlimb unloading inhibits healing in fibrous connective tissue such as ligament. Male rats were assigned to 3- and 7-wk treatment groups with three subgroups each: sham control, ambulatory healing, and hindlimb-suspended healing. Ambulatory and suspended animals underwent surgical rupture of their medial collateral ligaments, whereas sham surgeries were per...
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ژورنال
عنوان ژورنال: Petroleum Exploration and Development
سال: 2016
ISSN: 1876-3804
DOI: 10.1016/s1876-3804(16)30081-7