单词 | trigonal |
释义 | BETA Examples oftrigonalDictionary> Examples oftrigonal trigonalisn’t in the Cambridge Dictionary yet. You can help! Add a definition Boron is an element that has a strong affinity for organic material since it formstrigonaland tetrahedral complexes with oxygen groups. From theCambridge English Corpus Thetrigonalform is obtained by slow cooling from the melt. From Wikipedia ![]() This indicates that the mineral has a primitive lattice and belongs to the hexagonal/trigonalpoint group. From Wikipedia ![]() When coordinated theirtrigonalpyramidal molecular geometry results in a smaller ligand cone angles than might be expected, making them appealing as ligands. From Wikipedia ![]() Ordinarily, three-coordinated compounds adopttrigonalplanar or pyramidal geometries. From Wikipedia ![]() Melonite occurs astrigonalcrystals, which cleave in a (0001) direction. From Wikipedia ![]() Phosphoranes adopt atrigonalbipyramidal molecular geometry with the two apical bonds longer than the three equatorial bonds. From Wikipedia ![]() A high temperature form with titanium atoms withtrigonalprismatic coordination is also known. From Wikipedia ![]() However, for the five point groups in thetrigonalcrystal class there are two possible lattice systems for their point groups: rhombohedral or hexagonal. From Wikipedia ![]() The cancrinite group are minerals with hexagonal andtrigonalcrystal systems with various anions and cations located in cages within the main frame. From Wikipedia ![]() Note:trigonalsymmetry is part of the hexagonal group, but not all hexagonal crystals aretrigonal. From Wikipedia ![]() Its crystal system istrigonalhexagonal scalenohedral with symbol 2/m. From Wikipedia ![]() The shape of the shell istrigonalovate, with a subtruncated posterior margin and a rounded ventral and anterior margin. From Wikipedia ![]() The tris(dithiolene) complexes were the first examples oftrigonalprismatic geometry in coordination chemistry. From Wikipedia ![]() Simple bonding theories point to thetrigonalplanar structure. From Wikipedia ![]() It crystallizes in thetrigonalcrystal system as equant, distorted prisms withtrigonalpyramid terminations. From Wikipedia ![]() It crystallizes in thetrigonal- rhombohedral system and has a white vitreous appearance with a conchoidal fracture. From Wikipedia ![]() It crystallizes in thetrigonalcrystal system and shows a variety of crystal habits including tabular, acute rhombohedral, pseudo-cubic and pseudo-cuboctahedral. From Wikipedia ![]() The shape of the molecule is a distortedtrigonalbipyramid. From Wikipedia ![]() A nonahydrate is been characterized in the solid state, with a face-cappedtrigonalprism structure. From Wikipedia ![]() These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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