Since sister chromosome separation mechanism was founded in the recent years that securin/PTTG is degradated by APC(anaphase-promating complex),after its degradation,separase/ESPl activates, activing ESP1 then hydrolyzes cohesin/SCC1, and sister chromosome separates in the centromere in the mitosis anaphase.

The equipment safety insurance is extremely important in petrochemical plant due to its special conditions.

Preservation of Digital Evidence during the Process of Investigating;

When we assess the level of higher education,the collection,preservation means and collation of higher education file is the basic inspection.

As an institution of debt preservation, subrogation originated from ancient Roman law.

Depending on states and situations in which Real Right moves and operates,Real Right has basic implementing effect,derivative preserving effect and transformed relief effect.

The implementing,preserving,remedy and disposition power are basic powers and functions which embody the nature of creditor s right, of whose division into complete and incomplete one bases on expansion,restriction and loss of such powers.

Proof preserving is a system that the courts protect proof and ensure the ability to prove facts including proof preserving before action and in the procedure.