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The company was established in the 1950s as the ground engineering division of GKN plc. [5] In 1960, it expanded into a stand-alone piling and ground improvement company and, in 1975, it acquired the German company Johann Keller and took on that name. [5] In 1984, Keller bought Hayward Baker Inc., a US ground engineering business. [6]
To complete the diagnosis, the extent of the disease must be assessed. This is defined as: mild (1-2mm), moderate (3-4mm) or severe (≥ 5mm) depending on the amount of attachment loss present. Radiographs such as bitewings, intra-oral periapicals or a panoramic radiograph can be taken to help assess the bone loss and aid in diagnosis.
The Irving–Williams series refers to the relative stabilities of complexes formed by transition metals.In 1953 Harry Irving and Robert Williams observed that the stability of complexes formed by divalent first-row transition metal ions generally increase across the period to a maximum stability at copper: Mn(II) < Fe(II) < Co(II) < Ni(II) < Cu(II) > Zn(II).
Hardy Diagnostics is an American company that manufactures and sells bacteriological culture media, reagents, automated microscope slide staining machines, and rapid identification kits for microbiological testing in clinical, research, and industrial laboratories. The company's culture media is useful in the detection of bacterial pathogens ...
In combustion, Williams diagram refers to a classification diagram of different turbulent combustion regimes in a plane, having turbulent Reynolds number as the x-axis and turbulent Damköhler number as the y-axis. [1] The diagram is named after Forman A. Williams (1985). [2] The definition of the two non-dimensionaless numbers are [3
The resulting 1,3-dipole reductively acetylates lipoamide-E2. [ 2 ] In terms of details, biochemical and structural data for E1 revealed a mechanism of activation of TPP coenzyme by forming the conserved hydrogen bond with glutamate residue (Glu59 in human E1) and by imposing a V-conformation that brings the N4’ atom of the aminopyrimidine to ...
[5] There were also particular significant advantages in the amalgamation such as Hardy Spicer's strength in the EU and USA whereas GKN was weak in both those parts of the world. [6] [7] As GKN Driveline its constant velocity joints take near 50 per cent of the world market and Driveline employs about 22,000 people at 46 locations across 23 ...
The CAS code shows this is (top row) ISO 125 film, (bottom row) 24 exposures, +3/−1 f-stop exposure tolerance. The DX barcode reads 017563, showing DX number 109-12, 24 exposures. DX (Digital indeX) encoding is a standard for marking 35 mm and APS photographic film and film cartridges, originally introduced by Kodak in 1983.