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Code 1: A time critical event with response requiring lights and siren. This usually is a known and going fire or a rescue incident. Code 2: Unused within the Country Fire Authority. Code 3: Non-urgent event, such as a previously extinguished fire or community service cases (such as animal rescue or changing of smoke alarm batteries for the ...
The message "Pr 3." would be sent "Pr 3. Pr 3." for example. The Sayville transmissions varied this practice by sometimes sending "Pr Pr 3 Pr. 3." – a significant variation that a casual listener might overlook. These were alleged to be a key to an acrostic code. [11]
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USS Wake (PR-3) was a United States Navy river gunboat operating on the Yangtze River. Originally commissioned as the gunboat Guam (PG-43) , she was redesignated river patrol vessel PR-3 in 1928, and renamed Wake 23 January 1941.
Praseodymium(III) nitrate is any inorganic compound with the chemical formula Pr(NO 3) 3 ·xH 2 O. These salts are used in the extraction and purification of praseodymium from its ores. [2] The hexahydrate has been characterized by X-ray crystallography. [3] Praseodymium nitrate can be prepared by treating praseodymium oxide with nitric acid:
Puerto Rico Highway 53 (PR-53) or unsigned Interstate PR3 is a main tollway that is parallel to Puerto Rico Highway 3, which goes from Fajardo to Salinas. [6] Some segments are still in planning, but when finished it will be about 58 miles (93 km) in length.
This pattern results from binding of ANCAs to antigen targets throughout the neutrophil cytoplasm, the most common protein target being proteinase 3 (PR3). For example, PR3 is the most common antigen target of ANCA in patients with granulomatosis with polyangiitis. In active granulomatosis with polyangiitis, c-ANCA is found over 90% of the time.
The value for the Pr 3+ /Pr couple is −2.35 V. [25] However, in highly basic aqueous media, Pr 4+ ions can be generated by oxidation with ozone. [ 26 ] Although praseodymium(V) in the bulk state is unknown, the existence of praseodymium in its +5 oxidation state (with the stable electron configuration of the preceding noble gas xenon ) under ...