Results 101 to 110 of about 10,581 (221)
Distribution and microhabitat selection of Hydropsyche exocellata Dufour (Trichoptera, Hydropsychidae) in a Mediterranean river affected of organic pollution : the Guadaira River (S. Spain) [PDF]
During the wet season, floods in the Guadaira river can reach up to 2000 m3/s flow, whereas during dry season the river only receives crude domestic sewage effluents and periodical industrial effluents from olive oil factories.
Gallardo-Mayenco, Alfonso +1 more
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The Microbial Flora of Acid Mine Water and its Relationship to Formation and Removal of Acid [PDF]
(print) viii, 124 p. illus. 28 cm.Title Page -- Table of Contents -- List of Tables -- List of Figures -- I: Introduction -- II: The Influence of Acid Water on Aerobic Heterotrophs of A Normal Stream -- III: The Relative Influence of Iron, Sulfate and ...
Dugan, Patrick R. +1 more
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Economic resilience : including a case study of the global transition network
This paper explores the dynamic properties of organisms and ecosystems that make them so resilient and capable of adapting to changing circumstances, allowing them to maintain an overall condition of coherence, wholeness and health while living in ...
RICHARDSON, Julie
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Systematics of Some Reindeer Lichens (Cladonia Subg. Cladina) in the Southern Hemisphere [PDF]
Cladonia arbuscula subsp. squarrosa (Wallr.) Ruoss and C. stygia (Fr.) Ruoss are reported for the first time from the Southern Hemisphere. Populations of C. arbuscula in New Zealand and Australia are recognized as subsp. stictica Ruoss, subsp.
Ahti, T., Ruoss, E.
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The feasibility was explored for synergistic addition of coal slime and silica calcium slag for saline-alkali soil improvement. A pot method was used to evaluate the effects on physicochemical properties of saline-alkali soil and wheat growth.
Ruixin An +3 more
doaj
High-ash coal slime water, characterized by its stable colloidal suspension of fine kaolinite particles, poses a significant challenge in the coal preparation industry because it is hard to achieve efficient solid–liquid separation.
Jing Chang +5 more
doaj +1 more source
Rationalisation of Ukrainian industrial enterprises in a context of using torque flow pumps on the basis of valuation of the life cycle of pumping equipment [PDF]
Стаття присвячена обґрунтуванню економічної ефективності використання вільновихрових насосів на промислових підприємствах України на основі оцінки життєвого циклу насосного обладнанняСтатья посвящена обоснованию экономической эффективности использования ...
Herman, Viktor Fedorovych +8 more
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EXPERIMENTAL STUDY ON ANTI-FREEZING ADHESIVE ROLLER WITH PTFE
In order to study the turnabout roller coal slime freezing adhesion problem in the process of open-pit mine during winter,experimental apparatus was designed by ourselves,simulated the production site,studied the change of freezing adhesive ...
WANG ChunHua +3 more
doaj
Adsorption characteristics of metal ions on kaolinite
The adsorption of negative charge on kaolinite particles surface is the main reason that causes coal slime water settle difficult.By studing adsorption dynamics of Ca2+, Mg2+, K+ and Na+ on kaolinite, adsorption tests of single kind of ions on kaolinite,
Zhang Zhijun +4 more
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