degradation of structure的意思|示意

The effects of lanthanum salt-doping on the photocatalytic degradation of methylene blue in solution, phase structure and crystallite size of the TiO2 films were investigated.

研究了镧盐掺杂对样品相结构、晶粒尺寸和光催化降解亚甲基蓝活性的影响。

In this chapter we briefly review the structure, biosynthesis, degradation and regulation of collagen in tissues.

在本章中我们简要地叙述组织内胶原的结构，生物合成的、降鲜和调节。

The results show that the molecular structure and glass transition temperature of PVC unchanged after degradation.

结果表明，PVC在超声波辐照下可降解成低分子量产物，其分子结构与玻璃化温度基本未变。

During the land usage, a series of problems occur time to time, such as irrational land use structure, low degree of intensive usage, land resource degradation, serious loss of arable land.

在土地利用中，用地结构不合理、集约利用程度低、土地资源退化、耕地流失严重等一系列问题时有发生。

The reliability of an existing structure mainly depends on three factors, namely, the resistance degradation, the resistance posterior distribution and the live load.

分析斜拉桥结构动态可靠度时，目前抗力衰减预测的基本模型经验性都很大，对具体结构并不一定适用。

The main types of soil degradation were of poor nutrients, poor microorganism, bad structure, basification and heavy drought.

库区土壤退化类型有贫养分化、贫微生物化、结构劣化、碱化和严重干旱化。