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Life on the edge: rotifers from springs and ephemeral waters in the Chihuahuan Desert, Big Bend National Park (Texas, USA)
Here we describe an on-going study of the rotifers inhabiting a sampling of springs (seeps), streams, ponds, tanks (diked ephemeral streams), and huecos and tinajas (small and large rock pools) ofExpand
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Paradox of planktonic rotifers: similar structure but unique trajectories in communities of the Great Masurian Lakes (Poland)
For decades ecologists have attempted to characterize zooplankton community structure (GHILAROV & TIMONIN 1972, SCHMID-ARAYA 1998, CASTRO et al. 2005). Many studies use indices such as speciesExpand
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New Touch Actuator Based on the Foil-Electret Principle
TLDR
A new touch actuator is described that consists of a single metalized foil electret, a number of independent metal back plate sections aligned with the holes of a front cover, and air gaps separating electret and backplate sections. Expand
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An examination of long-term ecological studies of rotifers: comparability of methods and results, insights into drivers of change and future research challenges
Long-term research (LTR) can provide insights into rotifer ecology that are not possible from short-term studies or experiments. However, such studies have become rarer in recent years due toExpand
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Preface: Crossing disciplinary borders in rotifer research
In August of 1974 at the 19th Congress of the Societas Internationalis Limnologiae (Winnipeg, Canada), a small group of aquatic scientists led by Dr. Agnes Ruttner-Kolisko proposed an innovativeExpand
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Presence of anisotropic (birefringent) crystalline structures in embryonic and juvenile monogonont rotifers
A systematic survey for the presence of birefringent (anisotropic) structures in rotifers was undertaken. Several common features of rotifers exhibit anisotropism (e.g. trophi & muscles). However,Expand
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Patterns of Rotifer Diversity in the Chihuahuan Desert
Desert aquatic systems are widely separated, lack hydrologic connections, and are subject to drought. However, they provide unique settings to investigate distributional patterns of micrometazoans,Expand
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Electret transducer having variable real air space
THE INVENTION CONCERNS ACOUSTIC TRANSDUCERS. AN ELECTRET TRANSDUCER INTENDED TO PRODUCE A DIRECTIONAL RESPONSE INCLUDES, IN PARTICULAR, AN ELECTRET MEMBRANE 92 AND A REAR PLATE 94 AND THE THICKNESSExpand
Procede de production d'hydrocarbures halogenes selectionnes contenant du fluor et de l'hydrogene, et compositions afferentes
Procede de fabrication de composes de formule HC(R1)2C(R1)2C(R2)2H dans laquelle chaque R1 est choisi independamment dans un groupe comprenant H, F, Cl, CN, R, OR, CO?2?R, C(O)R, OC(O)R, R?f, ORf,Expand
Process for the manufacture of hydrocarbons substituted by fluorine.
The invention relates to methods employing CERTAIN metalacycles nickel phosphite ligands, which are useful for the manufacture of certain substituted hydrocarbons. ALSO SELECTED COMPOUNDS DESCRIBEDExpand