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A superhard material is not necessarily "supertough". For example, the fracture toughness of diamond is about 7–10 MPa·m 1/2, [16] [17] which is high compared to other gemstones and ceramic materials, but poor compared to many metals and alloys – common steels and aluminium alloys have the toughness values at least 5 times higher. [18]
[7] Even though these complex polysaccharides are not very digestible, they provide important dietary elements for humans. Called dietary fiber, these carbohydrates enhance digestion. The main action of dietary fiber is to change the nature of the contents of the gastrointestinal tract and how other nutrients and chemicals are absorbed.
For example, in copper 29 Cu, according to the Madelung rule, the 4s subshell (n + l = 4 + 0 = 4) is occupied before the 3d subshell (n + l = 3 + 2 = 5). The rule then predicts the electron configuration 1s 2 2s 2 2p 6 3s 2 3p 6 3d 9 4s 2, abbreviated [Ar] 3d 9 4s 2 where [Ar] denotes the configuration of argon, the preceding noble gas.
The diameter of the nucleus is in the range of 1.70 fm (1.70 × 10 −15 m [7]) for hydrogen (the diameter of a single proton) to about 11.7 fm for uranium. [8] These dimensions are much smaller than the diameter of the atom itself (nucleus + electron cloud), by a factor of about 26,634 (uranium atomic radius is about 156 pm ( 156 × 10 −12 m ...
It is immediate from the definition that S P 2 is closed under unions, intersections, and complements. Comparing the definition with that of and , it also follows immediately that S P
Gauss notation (also known as a Gauss code or Gauss words [1]) is a notation for mathematical knots. [2] [3] It is created by enumerating and classifying the crossings of an embedding of the knot in a plane.
The Hyundai ix35 FCEV or Tucson FCEV [1] is a hydrogen fuel cell electric vehicle developed by Hyundai.The model is a left-hand drive only conversion to the SUV platform it is based on and was the first of its type to be mass-produced and sold commercially in the world.
The Government of the Socialist Republic of Vietnam (Vietnamese: Chính phủ nước Cộng hòa xã hội chủ nghĩa Việt Nam; less formally the Vietnamese Government or the Government of Vietnam, Vietnamese: Chính phủ Việt Nam) is the cabinet and the central executive body of the state administration of Vietnam.