The sample, after being purged by reversed extraction and purified byPVP - kieselguhr column, was enriched through Amberlite XAD - 7 column. 样品经过乙酸乙酯反萃取及PVP - 硅藻土层析柱后, 再径XAD - 7柱浓缩.
Therefore, the minimum ISL encapsulated packet for FDDI is 47 bytes.因此最小的被ISL封装的FDDI帧大小是47字节.His ideas were encapsulated in a book called 'Democratic Ideals and Reality'.他的观点已经被概括进一本名为《民主理想和现实》的书中。The problems ...
清除街道上淤积的雨水是谁的工作?Whose job is it to clear the accumulated rainwater from the streets?如果航道和港口出现了泥沙淤积的问题,那么就必须要解决它.It requires effective solutions if the port and waterway sedimentation problems occur.淤积的主要原因是回流淤积.The silta...
让他尽力使坏(或反对我)好了, 我不怕.Let him do his worst; I'm not afraid.不可轻易表示赞成或反对.Do not lightly express your approval or disapproval.这些情况确实奇怪,以致被援引作为非难或反对我们学说之用.These cases are so wonderful that they were introduced as difficul...
Stem erect or floating, elongate, 5 - angled, nodes often with adventitious roots.茎直立或漂浮, 拉长, 5具角, 节通常具不定根的.He walked at a rapid pace with his back straight and his head held erect.他昂首挺胸地快步而行。Stand reasonably erect, your...