tetrakis वाक्य
उदाहरण वाक्य
मोबाइल
- Thus, the compound can be seen as a stellation of the tetrakis hexahedron.
- The prefix " tetrakis " refers the presence of four of the same ligand, in this case dimethylamides.
- In geometry, the "'tetrakis square tiling "'is a tiling of the Euclidean plane.
- Tetrakis ( dimethylamino ) ethylene activates this bond for electrophilic sulfur addition either by one-electron reduction or by complexation.
- Upon heating to 150-190 �C decomposition occurs with the formation of tetrakis ( dimethylamino ) ethene, a strong electron donor.
- The " vertex-first " perspective projection of the 24-cell into 3-dimensional space has a tetrakis hexahedral envelope.
- Tris ( dimethylamino ) methane is formed in good yield ( 83 % ) in the reaction of DMF with tetrakis ( dimethylamino ) titanium.
- The edges of the tetrakis square tiling form a simplicial arrangement of lines, a property it shares with the triangular tiling and the kisrhombille tiling.
- The tetrakis hexahedron appears as one of the simplest examples in simplices ( chambers ) can be obtained by taking the radial projection of a tetrakis hexahedron.
- The tetrakis hexahedron appears as one of the simplest examples in simplices ( chambers ) can be obtained by taking the radial projection of a tetrakis hexahedron.
- Further reduction in the presence of more triphenylphosphine gives tetrakis ( triphenylphosphine ) palladium ( 0 ); the second reaction may be carried out without purifying the intermediate dichloride:
- The tetrakis square tiling was used for a set of commemorative postage stamps issued by the United States Postal Service in 1997, with an alternating pattern of two different stamps.
- The intersection of the three octahedra is a convex polyhedron with 14 vertices and 24 faces, a tetrakis hexahedron, formed by attaching a low square pyramid to each face of the central cube.
- Examples of chemicals sold in ampoules are injectable pharmaceuticals, air-sensitive reagents like tetrakis ( triphenylphosphine ) palladium ( 0 ), hygroscopic materials like deuterated solvents and trifluoromethanesulfonic acid, and analytical standards.
- A 24-cell viewed under a vertex-first perspective projection has a surface topology of a tetrakis hexahedron and the geometric proportions of the rhombic dodecahedron, with the rhombic faces divided into two triangles.
- The intramolecular Heck reaction involved tetrakis ( triphenylphosphine ) palladium ( 0 ) and potassium carbonate in acetonitrile at reflux to give diene "'39 "'and to complete the formation of the B ring.
- I did some investigation, and found that the disdyakis dodecahedron can be formed from a " rhombic " dodecahedron by quartering each face and raising the center point ( as " tetrakis " ).
- Electron rich organic molecules like tetrakis ( dimethylamino ) ethylene ( TDAE ) are effective reducing agents capable of generating the anion from alkyl halides such as 5-chloromethyl-6-nitrobenzo [ 1, 3 ] dioxole:
- Tetramethylurea is also formed during the oxidation of tetrakis ( dimethylamino ) ethylene ( TDAE ), a very electron-rich alkene and a strong reducing agent, available from tris ( dimethylamino ) methane by pyrolysis or from chlorotrifluoroethene and dimethylamine.
- The tetrakis hexahedron is the Kleetope of the cube, formed by adding a square pyramid to each of its faces, and the pentakis dodecahedron is the Kleetope of the dodecahedron, formed by adding a pentagonal pyramid to each face of the dodecahedron.
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