稳定化选择又叫自发平衡(homeostasis)，意指在病原物同一位点上对无毒性基因的选择优先于毒性基因，是定向选择的反面。
最佳策略是制定一份详细的迁移计划，记录对稳定状态的更改，选择一种备份解决方案并了解回滚和恢复说明，这一切将有助于最小化停机时间，从而最大化您的工作成果。
Keeping a migration plan, documenting changes to stable states, having a backup solution, and having rollback and recovery instructions will help minimize your downtime and maximize your results.
与游离脂肪酶相比较，固定化脂肪酶热稳定性提高了30%，而选择性没有显著变化。
Compared with free lipase, the thermostability(thermal stability) of immobilized lipase was improved(increased) by 30%; however, no significant changes in selectivity was observed.
结果表明：选择自身粘度较小且溶剂化能力较弱的增塑剂及随增塑剂用量增加，PVC增塑糊粘度下降、粘度稳定性逐渐变好，有利于PVC增塑糊的排气性能提高，延长PVC增塑糊的凝胶化时间。
The results show that the viscosity of PVC plastisol is decreased and the viscosity stability is improved when self - viscosity and the property of solution of PVC plasticizer are poorer.
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