Results 41 to 50 of about 164 (122)
Integrating ecological feedbacks across scales and levels of organization
Ecography, Volume 2026, Issue 5, May 2026.In ecosystems, species interact in various ways with other species, and with their local environment. In addition, ecosystems are coupled in space by diverse types of flows. From these links connecting different ecological entities can emerge circular pathways of indirect effects: feedback loops.
Benoît Pichon +4 more
wiley +1 more source
An atlas of plant selenium metabolism
New Phytologist, Volume 250, Issue 4, Page 2041-2060, May 2026.Summary Selenium (Se) is not only a rare and toxic element but also an essential micronutrient for humans and animals that is often in short supply. Terrestrial plants do not require Se, but it can have growth‐promoting or negative effects, depending on the exposure level.
Jeroen van der Woude +3 more
wiley +1 more source
THE TRAFFIC IN REPAIRMEN AND A CASE OF GENDER IMPROPRIETY IN POST‐WAR SARAJEVO
Cultural Anthropology, Volume 41, Issue 2, Page 275-296, May 2026.ABSTRACT In postwar Sarajevo, repair is mainly a masculine activity, and people lean on communal networks to get things fixed under dire economic circumstances. Yet increased numbers of women without men in their households as an effect of the war necessitate the mediation of other women in facilitating access to men's labor.
HALİDE VELİOĞLU
wiley +1 more source
Advanced Functional Materials, Volume 36, Issue 31, 16 April 2026.MAGTWIST: A compact magnetic rotary actuator, enabling smooth, stepless rotation, and on‐demand locking. Inspired by peristalsis, a soft polymer belt generates a traveling‐wave, enabling 270° rotation when heated. Cooling stiffens the belt, locking it in position and enabling it to withstand high loads.
Simon Frieler +3 more
wiley +1 more source
Przedsiębiorstwo Budowy Szybów (Shaft Sinking Company) - non-standard tasks in shaft construction
, 2007 W grudniu 2003 roku Kopex SA zawarł kontrakt na pogłębienie szybu głównego oraz wykonanie i wyposażenie wyrobisk towarzyszących w kopalni rudy miedzi i cynku Cayeli Bakir Isletmeleri w Turcji. W ramach zadania polegającego na udostępnieniu nowego poziomu
Rusek, J., Sanocki, T.
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, 2014 Methods of determining the depth of rock mass freezing for the purpose of shaft sinking in solid rocks in difficult hydrogeological and geomechanical conditions are analyzed in this paper.
Duda, R.
core +1 more source
Scientific basis development of deep iron ore shaft sinking designing
, 2012 Дисертація на здобуття наукового ступіня доктора технічних наук за спеціальністю 05.15.04 «Шахтне і підземне будівництво». – ДВНЗ «Національній гірничий університет».
Харін, Сергій Анатолійович
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, 1955 Until recent years, mining has depended upon the muscles of men to supply the power required to obtain ore. With the rising cost of labor and the increased demand for metals, mine management has turned to machines to meet these demands.
Owsley, Frederick D.
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Compressed-Air and Steam Apparatus for Sinking Wells
, 1889 Patent for "a simple and inexpensive apparatus for drilling the rock and earth until sufficient loose material has accumulated in the shaft, and then remove such material by the pressure of an aeriform fluid - such as steam or compressed air" (lines 23 ...
Goodrich, Hervey K.
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Failure Mechanism and Control Countermeasures for Argillaceous Surrounding Rock of Horsehead Roadway under High Stress. [PDF]
Materials (Basel), 2023 Qian D +9 more
europepmc +1 more source