A description of the new N a t ional Bureau of Standards " low" en ergy free-air chamber is given. The standard chamber is designed to mea sure t l1e expos ure dose II: roe ntgens for X-ray beams generated at pote ntials fr ol11. 20 to 100 kIi ovolts-co nstant-poten tJaI (kvcp) '':Ith filtration s ranging from 2 millimet e rs of bery lli um to 2 mIi lune ters of b ery l hum plus 41m 11Ime ters ...

We reply to the remarks by Láng and Horányi [Electrochim. Acta Vol. (2006) page] on the meaning of the notion of “electrosorption valency” used in I. Abou Hamad et al., Electrochim. Acta 50 (2005) 5518. It is concluded that, contrary to the assertion of Láng and Horányi, the magnitude of the current in the external circuit upon adsorption of an ion of charge ze with partial charge transfer is i...

This global systematic analysis and review investigate the impacts of previous land use system, climate zone, forest type age on soil organic carbon (SOC), total nitrogen (TN), phosphorus (TP) stock, bulk density (BD) pH at layers 0–20, 20–60 60–100 cm, following afforestation. Data came from 91 publications SOC, TN TP stock changes, covering different countries zones. Overall, afforestation si...

There could be a Higgs boson with a mass less than 100 GeV/c 2 in the LEP data if its decay width and modes are not dominated by b quarks. At present, the quantum interference between signal and background processes has not been considered in flavour independent searches but when it is, the long-sought particle may appear.

The double beta decay of 100Mo to the 01 and 2 + 1 excited states of 100Ru is studied using the NEMO 3 data. After the analysis of 8024 h of data the half-life for the two-neutrino double beta decay of 100Mo to the excited 01 state is measured to be T (2ν) 1/2 = [5.7 +1.3 −0.9(stat)±0.8(syst)]·10 y. The signal-to-background ratio is equal to 3. Information about energy and angular distributions...

Alan Mathison Turing (1912 1954) was an English mathematician, logician, cryptanalyst, and computer scientist. He was highly influential in the development of computer science, providing a formalisation of the concepts of "algorithm" and "computation" by way of the Turing machine. His work played a pivotal role in the creation of the modern computer science. Turing is widely considered to be th...

60 adult Rattus novergicus (both sexes) of mean body weight of 150.0±3.5g were distributed into six groups of ten rats per group (same sex). The groups A, B, C, D, E and F were exposed to adjusted dosages of 0%, 20%, 40%, 60%, 80% and 100% of DDVP respectively by inhalation from day 1 to day 28. Biochemical analysis indicated that DDVP caused significant decrease (p<0.05) in GPT activity, WBC a...