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A simple mnemonic rule states that 5 nines allows approximately 5 minutes of downtime per year. Variants can be derived by multiplying or dividing by 10: 4 nines is 50 minutes and 3 nines is 500 minutes. In the opposite direction, 6 nines is 0.5 minutes (30 sec) and 7 nines is 3 seconds.
The company earned global respect for a variety of products. They introduced the world's first handheld scientific electronic calculator in 1972 (the HP-35), the first handheld programmable in 1974 (the HP-65), the first alphanumeric, programmable, expandable in 1979 (the HP-41C), and the first symbolic and graphing calculator, the HP-28C.
The International Accounting Standards Committee (IASC) was established in June 1973 by accountancy bodies representing ten countries. It devised and published International Accounting Standards (IAS), interpretations and a conceptual framework.
With a gyromagnetic ratio 40.5% of that for 1 H, 31 P-NMR signals are observed near 202 MHz on an 11.7-Tesla magnet (used for 500 MHz 1 H-NMR measurements). Chemical shifts are typically referenced to 85% phosphoric acid, which is assigned the chemical shift of 0, and appear at positive values (downfield of the standard). [2]
The economy of the People's Republic of China is a developing mixed socialist market economy, incorporating industrial policies and strategic five-year plans. [29] China is the world's second largest economy by nominal GDP and since 2017 has been the world's largest economy when measured by purchasing power parity (PPP).
This was less flexible than the previous rule. The old agreement was terminated on 30 June 2005 forcing ACCA members to accept the so-called "8 unfair terms" e.g., hold a degree recognised by HKICPA, work under HKICPA authorised employers, attend workshops and pass HKICPA's Final Professional Examination (FPE), etc.
Windows 7 is a major release of the Windows NT operating system developed by Microsoft.It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009. [10]
Unit 731 (Japanese: 731部隊, Hepburn: Nana-san-ichi Butai), [note 1] short for Manchu Detachment 731 and also known as the Kamo Detachment [3]: 198 and the Ishii Unit, [5] was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that engaged in lethal human experimentation and biological weapons manufacturing during the Second Sino-Japanese War ...