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In common usage, the prefix dipolar, dative or coordinate merely serves to indicate the origin of the electrons used in creating the bond. For example, F 3 B ← O(C 2 H 5) 2 ("boron trifluoride (diethyl) etherate") is prepared from BF 3 and :O(C 2 H 5) 2, as opposed to the radical species [•BF 3] – and [•O(C 2 H 5) 2] +.
A network solid or covalent network solid (also called atomic crystalline solids or giant covalent structures) [1] [2] is a chemical compound (or element) in which the atoms are bonded by covalent bonds in a continuous network extending throughout the material.
The Tupolev Tu-95 (Russian: Туполев Ту-95; NATO reporting name: "Bear") is a large, four-engine turboprop-powered strategic bomber and missile platform. First flown in 1952, the Tu-95 entered service with the Long-Range Aviation of the Soviet Air Forces in 1956 and was first used in combat in 2015.
The partition type (or partition ID) in a partition's entry in the partition table inside a master boot record (MBR) is a byte value intended to specify the file system the partition contains or to flag special access methods used to access these partitions (e.g. special CHS mappings, LBA access, logical mapped geometries, special driver access, hidden partitions, secured or encrypted file ...
"Tu casa" (tú with an (acute) accent is the subject pronoun, tu with no accent is a possessive adjective) means "your house" in the familiar singular: the owner of the house is one person, and it is a person with whom one has the closer relationship the tú form implies.
In the 1970s, Tupolev concentrated its efforts on improving the performance of the Tu-22M bombers, whose variants included maritime versions. It is the presence of these bombers in quantity that brought about the SALT I and SALT II treaties. Also the efficiency and performance of the Tu-154 was improved, culminating in the efficient Tu-154M.
Lisa Tzwu-Fang Su was born in November [15] of 1969 [7] [2] in Tainan, Taiwan.She was born in a Taiwanese Hokkien speaking family. [16] She immigrated to the United States [2] at the age of 3 with her parents Su Chun-hwai (蘇春槐) and Sandy Lo (羅淑雅).
The ANT-10 (which received the Soviet Air Force designation R-7) made its first flight on 30 January 1930, [2] but its performance was little better than the R-5, while the R-5's wooden structure was advantageous at a time of metal shortages. The type was therefore abandoned later in the year in favour of the R-5.