migrating group造句
例句与造句
- The migrating group, R 1 migrates with complete retention.
- Each migrating group is at least three to five generations removed from the previous arrivals.
- The migrating groups took over lands that belonged to The Bannock, Nez Perce and Blackfeet.
- This migrating group became, in time, the Seljuk Empire.
- They formed a buffer zone on the Roman border on the Rhine, around whom the migrating groups needed to pass.
- It's difficult to find migrating group in a sentence. 用migrating group造句挺难的
- A [ 1, j ]-sigmatropic rearrangement is also a two component pericyclic reaction : one component is the ?-system, the other component is the migrating group.
- The next step requires a bond rotation to conformer "'3 "'which places the migrating group R in position for attack on the second carbonyl group in a pm.
- The mountain areas of present-day Ukraine, Slovakia, Poland and the Czech Republic have been partly colonized by migrating groups of Vlach ( Romanian ) shepherds from further south.
- If the migrating group remains on the same face of the ? system, the shift is known as antarafacial shift, which are impossible for transformations that occur within small-or medium-sized rings.
- In cases of stereochemical retention, the migrating group translates without rotation into the bonding position, while in the case of stereochemical inversion the migrating group both rotates and translates to reach its bonded conformation.
- In cases of stereochemical retention, the migrating group translates without rotation into the bonding position, while in the case of stereochemical inversion the migrating group both rotates and translates to reach its bonded conformation.
- Six months earlier, the " Tropeognathus ", resting among a colony of breeding " Tupandactylus " in Brazil, flies off for migrating group of the iguanodont " Dakotadon " and the nodosaur " Polacanthus ".
- However, another stereochemical transition effect equally capable of producing inversion or retention products is whether the migrating group remains on the original face of the ? system after rebonding or instead transfers to the opposite face of the ? system.
- The exact reaction mechanism is not completely clear, but evidence indicates that the rearrangement occurs intermolecularly and that the migrating group is transferred to a polyalkylbenzene, not to the sulfonic acid ( sulfonation only takes place " after " migration ).
- The Northern Kankana-eys live in Sagada and Besau, west of Mountain province, and whom Dr . H . Otley Beyer believed to have originated from a migrating group from Asia who landed on the coasts of Pangasinan before moving to Cordillera.
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