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The 24-hour clock is the most commonly used method worldwide to physically represent the time of day. Some regions utilize 24-hour time notation in casual speech as well, such as regions that speak German , French , or Romanian , though this is less common overall; other countries that utilize the 24-hour clock for displaying time physically ...
Mecca Time was a proposed time standard that uses the line of longitude that goes through Mecca, Saudi Arabia (39°49′34″ E of the Greenwich Meridian) as its Prime Meridian. A clock based on this meridian would be at approximately UTC +02:39:18.3.
In 1974 MOL established the Saudi Arabian Shipping Co., Ltd. (SASCO) and Arabian Marine Operation Co. Ltd. (AMOCO) as joint ventures with the prince of Saudi Arabia in Jeddah. SASCO is the shipowner, while AMOCO manages tanker operations. MOL hoped that this joint venture would give it an advantageous status in any future nationalization of oil ...
Saudi Arabia Standard Time (Arabic: التوقيت القياسي السعودي, romanized: At-Tawqīt al-qiyāsiyy as-suʿūdiyy), abbreviated as SAST, is the standard time zone of Saudi Arabia. The time zone is 3 hours ahead of UTC with no daylight savings. [1] SAST is defined by the 45th Meridian East. Before a standardized time zone was ...
The GPS week number rollover is a phenomenon that happens every 1,024 weeks, which is about 19.6 years. The Global Positioning System (GPS) broadcasts a date, including a week number counter that is stored in only ten binary digits, whose range is therefore 0–1,023.
Jmol is computer software for molecular modelling of chemical structures in 3 dimensions. [2] It is an open-source Java viewer for chemical structures in 3D [3]. The name originated from ava (the programming language) + [mol]ecules, and also the mol file format. JSmol is an implementation in JavaScript of the functionality of Jmol. [4]
The joule per mole (symbol: J·mol −1 or J/mol) is the unit of energy per amount of substance in the International System of Units (SI), such that energy is measured in joules, and the amount of substance is measured in moles. It is also an SI derived unit of molar thermodynamic energy defined as the energy equal to one joule in one mole of ...
The Avogadro constant, commonly denoted N A [1] or L, [2] is an SI defining constant with an exact value of 6.022 140 76 × 10 23 mol −1 (reciprocal moles). [3] [4] It is this defined number of constituent particles (usually molecules, atoms, ions, or ion pairs—in general, entities) per mole and used as a normalization factor in relating the amount of substance, n(X), in a sample of a ...