gerontocracy
发表于 2025-3-25 06:57:03
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防止
发表于 2025-3-25 07:29:55
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indecipherable
发表于 2025-3-25 12:00:41
Physical Properties of Dust and Chips,relationships, and specific surface. Most of these properties are unique for wood dusts due to their originating mechanism (brittle fracture) and the porous nature of solid woods. We treat here only those properties which influence the basic processes covered by this work. Most of these properties c
Morbid
发表于 2025-3-25 19:28:42
Behavior of Dust and Chips in Bulk,ifies the shear stress-normal stress relationship and hereby the flow properties (see Fig. .). These evidences led to the recognition that, in the case of granular bulk materials, it is purposeful to include the porosity as a variable into the stress state analysis. It is especially true if the part
乐意
发表于 2025-3-25 20:20:28
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Enzyme
发表于 2025-3-26 03:40:37
Pneumatic Conveying,tream in a suction hood. It is convenient to use this air stream also for transporting the collected dust and chips in a pipeline to the storage bin. The aerodynamic resistance (drag) on the particles supplies the force for pneumatic transport: if this force exceeds the force required to displace th
agnostic
发表于 2025-3-26 04:38:28
Separation of Particles from the Airflow,approaches are introduced in the calculation of particle separation in cyclones and a unique analysis for fractional separation efficiency is presented. Calculation of air recirculation is treated in detail with worked examples. Diagrams are elaborated for quick selection of appropriate operational
Ointment
发表于 2025-3-26 09:06:49
Auxiliary Equipments,s the ventilator (prime mover) which provides the necessary energy to the conveying gas. In the design of an extraction and conveying system, it is a need to identify both the gas flow rate and the pressure drop to ensure reliable transportation.
LAIR
发表于 2025-3-26 13:41:30
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Arbitrary
发表于 2025-3-26 17:20:08
Book 2022nd chips, ensuring clean air in the workrooms, and avoiding health, fire and explosion risks. All scientific backgrounds of these problems are not fully known today, and efforts should be made to fill this gap. The work contains significant new derivations and calculation methods and experimental re