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As 37 PstK/36. 114 pieces were bought from Bofors in 1938–39 (some of them were returned to Sweden in 1940), 42 Polish-made guns were received from Germans in 1940–41 and 355 were produced by local manufacturers Tampella and VTT ( Valtion Tykkitehdas – State Artillery Factory) in 1939–41.
The name dates to at least the 1970s, when many of the communities in the area were yet to become incorporated cities and local community decisions were made 40 miles (64 km) away at the county seat. The North County section of San Diego County has historically been the most expensive region of San Diego, with such affluent neighborhoods as ...
Slot-die coating is a non-contact coating method, in which the slot-die is typically held over the substrate at a height several times higher than the target wet film thickness. [23] The coating fluid transfers from the slot-die to the substrate via a fluid bridge that spans the air gap between the slot-die lips and substrate surface.
Spin coating is widely used in microfabrication of functional oxide layers on glass or single crystal substrates using sol-gel precursors, where it can be used to create uniform thin films with nanoscale thicknesses. [6] It is used intensively in photolithography, to deposit layers of photoresist about 1 micrometre thick. Photoresist is ...
The salt spray test (or salt fog test) is a standardized and popular corrosion test method, used to check corrosion resistance of materials and surface coatings.Usually, the materials to be tested are metallic (although stone, ceramics, and polymers may also be tested) and finished with a surface coating which is intended to provide a degree of corrosion protection to the underlying metal.
San Diego County (/ ˌ s æ n d i ˈ eɪ ɡ oʊ / ⓘ), officially the County of San Diego, is a county in the southwest corner of the U.S. state of California, north to its border with Mexico. As of the 2020 census, the population was 3,298,634; [7] it is the second-most populous county in California and the fifth-most populous in the United ...
East County does not have an official geographic definition, although East County boundaries are unofficially drawn by the County of San Diego for its second district. [1] It commonly includes El Cajon , La Mesa , Lemon Grove , Poway , and Santee , as well as suburban and rural unincorporated communities such as Lakeside , Spring Valley , Jamul ...
Location of San Diego County in California. This is a list of the National Register of Historic Places listings in San Diego County, California.. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in San Diego County, California, United States.