Results 51 to 60 of about 381,789 (309)
Trade-offs Between Water Transport Capacity and Drought Resistance in Neotropical Canopy Liana and Tree Species [PDF]
, 2016 In tropical forest canopies, it is critical for upper shoots to efficiently provide water to leaves for physiological function while safely preventing loss of hydraulic conductivity due to cavitation during periods of soil water deficit or high ...
De Guzman, Mark E. +3 more
core +1 more source
Research on automatic control technology of large mining height hydraulic support
Gong-kuang zidonghua, 2018 In view of problems of high roof pressure, serious spalling and roof falling and instable support in production of large height mining face, demands of automation control technology of the large mining height hydraulic support were analyzed.
WANG Haiju
doaj +1 more source
Advanced Engineering Materials, EarlyView.The presented study focuses on the fracture behaviour of carbon‐bonded magnesia MgO–C refractories, where environmentally friendly fructose, collagen and lignin serve as temporary binding agents. The partial substitution of the source material with recycled MgO–C reduces the fracture resistance, which can be counteracted by the additional introduction ...
Marc Neumann +6 more
wiley +1 more source
Light detection instrument Patent [PDF]
, 1970 Detection instrument for light emitted from ATP biochemical ...
Chappelle, E. W., Hoffman, D. G.
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Thermophysical Properties of the Desulphurization Slags With Various CaS and CaO/Al2O3 Ratio
Advanced Engineering Materials, EarlyView.This article investigates how CaS content and the CaO/Al2O3 ratio influence the thermophysical properties of desulphurization slags. Using experimental measurements and thermodynamic simulations, this study reveals complex effects on viscosity, surface tension, and density, providing new insight into slag structure and phase behavior under ...
Eldar Salpagarov +4 more
wiley +1 more source
Fuel/hydraulic transfer valve improves reliability of Atlas space launch vehicle [PDF]
, 1980 The Atlas fuel hydraulic transfer valve design is described. The design satisfies primary goals such as fuel and oil isolation before launch in order to use existing ground support and airborne hardware and procedures.
Ogman, M.
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WETWALL - an innovative design concept for the treatment of wastewater at an urban scale [PDF]
, 2018 Rising temperatures, increasing food demand and scarcity of water and land resources highlight the importance of promoting the sustainable expansion of agriculture to our urban environment, while preserving water resources.
Arias, Carlos Alberto +7 more
core +4 more sources
Gong-kuang zidonghuaDue to the disturbance of geological disasters such as deep mining and rock burst, there are problems such as poor self perception capability, weak intelligent anti impact adaptive capability, and lack of decision-making and control capability in the ...
ZHANG Fan +3 more
doaj +1 more source
Research of precise pushing control scheme for hydraulic support and its applicatio
Gong-kuang zidonghua, 2017 For problems of poor control precision of hydraulic system of hydraulic support and inconsistent step distance of support pushing, a precise pushing control scheme for hydraulic support was put forward.
WANG Feng
doaj +1 more source
Meikuang Anquan, 2021 In order to realize the safety, high efficiency and high recovery rate mining of 9-13 m thickness hard coal seam in Jinjitan Coal Mine, the top coal recovery rate and coal wall stability of different cutting heights are analyzed by theoretical analysis ...
MENG Xiangjun +6 more
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