polar surface造句

Asteroids with these spectral and orbital characteristics are thought to have all originated from the " Rheasilvia crater ", a large impact crater on the south-polar surface of 4 Vesta, which is the main-belt's second-most-massive asteroid after 1 Ceres . " Tinchen " has a rotation period of 3.671 hours.
The polar surface area of Blonanserin is 19.7 ?It is commonly accepted that a compound needs to have polar surface area less than 90 ?to cross the blood brain barrier so blonanserin is expected to be quite permeable as is demonstrated by a high brain / plasma ratio of 3.88.
The polar surface area of Blonanserin is 19.7 ?It is commonly accepted that a compound needs to have polar surface area less than 90 ?to cross the blood brain barrier so blonanserin is expected to be quite permeable as is demonstrated by a high brain / plasma ratio of 3.88.
It's difficult to find polar surface in a sentence. 用polar surface造句挺难的

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