Lead content, enrichment factors, and isotopic composition (208Pb/206Pb 207Pb/206Pb) measured in atmospheric particulate matter (PM10) samples collected for nine years at Ny-Ålesund (Svalbard islands, Norwegian Arctic) during spring summer are presented discussed. The possible source areas (PSA) inferred from Pb isotope ratio values were compared to cluster analysis of back-trajectories. Result...

− This paper treats a relay-feedback mass measurement system that uses a relay with dead zone and feeds back the displacement of the object. The efficacy of the proposed method has been already confirmed experimentally. In actual measurement, however, the object to be measured was guided by a spring for avoiding rotation. The effect of stiffness produced by this spring on mass estimation has no...

As networks and their structure have become a major field of research, a strong demand to visualize these networks has emerged. We address this challenge by formalizing the well established spring layout in terms of dynamic equations. We thus opening up the design space for new algorithms. Drawing from the knowledge of systems design, we derive a layout algorithm that remedies several drawbacks...

Bumalere village is located in the Loura region upper mountains of Karuni spring and at bottom there a called Likku spring. overgrown with trees, thorn bushes, steep rocks large rice fields foothills between Aba rivers. To reach this you have to pass through paths heights ravines that require energy it was customary time make houses for each tribe / Kabihu including on order avoid enemies who c...

4th Case. giment, a student of the military class, arrived at the cholera hospital in No. 5 barrack from the health camp at Perunkullia. He had been one of those who had drank the canal spring water. lie told me that he was very well when they marched out from Roorkee on the evening of the 19th; that after dinner (4 p.m. ) of the 20th he had felt unwell; that lie started to walk it off and was ...

Rotation of a single bacterial flagellar motor is powered by multiple stators tethered to the cell wall. In a " power-stroke " model the observed independence of the speed at low load on the number of stators is explained by a torque-dependent stepping mechanism independent of the strength of the stator tethering spring. On the other hand, in models that depend solely on the stator spring to ex...

Introduction Conclusions References Tables Figures ◭ ◮ ◭ ◮ Back Close Full Screen / Esc Abstract Introduction Conclusions References Tables Figures ◭ ◮ ◭ ◮ Back Close Full Screen / Esc Printer-friendly Version Interactive Discussion EGU Abstract An integrated sand and dust storm (SDS) forecasting system – CUACE/Dust (the Chi-nese Unified Atmospheric Chemistry Environment for Dust) has been deve...

We expand the anecdotic report by Johansson that back-and-forth linear harmonic motions appear uniform. Six experiments explore the role of shape and spatial orientation of the trajectory of a point-light target in the perceptual judgment of uniform motion. In Experiment 1, the target oscillated back-and-forth along a circular arc around an invisible pivot. The imaginary segment from the pivot ...

Metal foils attract a large field of applications, e.g. in micro-technology they are being used for sensors, actors, micro-electro-mechanical systems and in medical devices. Conventional sheet metal forming processes are in principle applicable for metal foil forming. Reducing the sheet thickness to the order of micrometers, however, causes various scaling effects. Therefore, the know-how of co...

Mercury is a toxic pollutant emitted from both natural sources and through human 7 activities. A global interest in atmospheric mercury has risen ever since the discovery of the 8 Minamata disease in 1956. Properties of gaseous elemental mercury enable long range transport 9 which can cause pollution even in pristine environments. Total gaseous mercury (TGM) was 10 measured from winter 2016 to ...