The dedicated facility built for the assembling of the nearly 1000 RPC units of the ATLAS m-spectrometer is described in detail. The necessity of keeping the gravitational sagitta below 10 mm for the 5-m-long RPC units has driven the careful design of the extruded Al lateral profiles and suspension end-plates. A special assembly table allows to maintain the mechanical tolerances of each unit we...

Numerous planktonic species have disjunct distribution patterns in the world's oceans. However, it is unclear whether these are truly unconnected by gene flow, or whether they are composed of morphologically cryptic species. The marine planktonic chaetognath Sagitta setosa Müller has a discontinuous geographic distribution over the continental shelf in the northeastern Atlantic, Mediterranean S...

fifty-four specimens of the kingsoldier bream, argyrops spinifer (forsskal, 1775) from coastal waters of the persian gulf, in bushehr province, were aged by otolith readings to assess the suitability of using otolith length/weight for age estimation in this fish. otolith length and weight increased along with an increase in length and age of the fish. the relationship between fish length (tl) a...

We studied the species diversity and abundance of small terrestrial mammals in spring autumn period 2016-2019 four groups habitats protected area “Sarykum barkhans” Dagestan Nature Reserve: barkhan, floodplain forest, ailant plantations, territory cordon. During study period, 10 were recorded – E. roumanicus, C. suaveolens, leucodon, M. musculus, macedonicus, A. fulvipectus, migratorius, social...

The 15-m long superconducting dipoles of the Large Hadron Collider (LHC) with two-in-one design are curved by about 5 mrad to follow the beam trajectory. They are supported on three cold feet to minimise the vertical sagitta induced by their 35 tonnes weight. The cold masses contain at both ends local multipolar correctors to compensate for the detrimental effect of persistent current during in...

The feeding biology and the vertical migration of Sagitta friderici were examined over 24 h at two stations in the southern Benguela during spring (October) 1987. Together with studies conducted during summer (February 1991) and winter (May 1984), they serve to allow valuable generalizations of the biology and ecology of this abundant chaetognath. Populations migrate vertically and feed nocturn...