Results 141 to 150 of about 2,747 (242)

Concepts for manned lunar habitats [PDF]

open access: yes
The design philosophy that will guide the design of early lunar habitats will be based on a compromise between the desired capabilities of the base and the economics of its development and implantation.
Butterfield, A. J.   +7 more
core   +1 more source

Dry anaerobic digestion of organic residues on-farm - a feasibility study [PDF]

open access: yes, 2006
Objectives The feasibility study shall answer the following questions: Are there economical and ecological advantages of on-farm dry digestion biogas plants?
Lehto, Marja   +2 more
core  

Theoretical Comparison between a Traditional Anaerobic Digestion and an Innovative One [PDF]

open access: yes, 2017
The paper, after analyzing the technical characteristics of anaerobic digestion traditional plants of zootechnical effluents, identifies those relating to an innovative system, which divides the evolutionary stages of biodegradation of the material in ...
Di Bernardo, Ezio   +2 more
core  

Влияние параметров скребкового конвейера на требуемую мощность привода [PDF]

open access: yes, 2011
В статье рассмотрены вопросы снижения требуемой мощности привода скребкового конвейера для удаления опилок из лесопильного цеха. Рассмотрены факторы (расстояние между скребками, размеры скребков), влияющие на требуемую мощность привода.
Дулевич, Александр Федорович   +1 more
core  

Synergism of He-3 acquisition with lunar base evolution [PDF]

open access: yes
Researchers have discovered that the lunar surface contains a valuable fusion fuel element that is relatively scarce on Earth. This element, He-3, originates from the solar wind that has bombarded the surface of the Moon over geologic time.
Crabb, T. M., Jacobs, M. K.
core   +1 more source

PERENCANAAN GEAR BOX DAN ANALISIS STATIK RANGKA CONVEYOR MENGGUNAKAN SOFWARE CATIA V5 [PDF]

open access: yes
Conveyor merupakan alat untuk mengangkut bahan-bahan industri. Sedangkan Motor listrik, Gearbox, pulley belt, rangka dan sabuk karet (belt conveyor) ini adalah komponen dari conveyor, dimana komponen dari sabuk karet ini berfungsi untuk membawa sampah
Purwoko, Widyo, Yamin, Ing. Mohamad
core  

Study on recognition of coal and gangue based on multimode feature and image fusion. [PDF]

open access: yesPLoS One, 2023
Zhao L   +6 more
europepmc   +1 more source

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