A analysis method of fatigue life reliability for composite structures is developed based on residual strength degradation theory.
以剩余强度衰减理论为基础，建立了一种复合材料结构疲劳寿命可靠性定量分析的工程方法。
Prof Ostrom has challenged the conventional "tragedy of the Commons" theory, arguing that societies and groups regularly devise rules and enforcement mechanisms which stop the degradation of nature.
奥斯特罗姆教授对传统的“公地悲剧”理论发起挑战，她主张，社会和团体经常制定规则和执行机制，遏制自然界的退化。
The second part is the theory analysis that the environment degradation and the green tax revenue.
第二部分是环境退化与绿色税收的理论分析。
Based on these experimental results, a suitable mathematical theory has been developed that incorporates the effect of microsphere size distribution and polymer degradation on drug release.
依据这些试验结果，结合了微球大小和聚合物降解度对于药物释放的作用得到了相应的数学上的结论。
The degradation process is explained by using the theory of secondary tunnel effect.
用二次隧道效应理论解释了这种退化过程。
The wide existence of immature oils throughout the world especially in China broke through the hydrocarbon generation theory through kerogen thermal degradation.
世界上特别是中国未成熟石油的普遍存在，突破了干酪根热降解成烃的理论模式。
By applying crystals' growth theory to construct material degradation model, we realize the algorithm and process simulation on biological material degradation.
应用晶粒长大理论建立材料降解的理论模型，实现了生物材料降解仿真算法以及过程模拟。
For different voltage stresses, a detail theory analysis on the degradation characteristics is presented. A new sight to the degradation mechanism in SOI NMOSFET's is provided.
对不同应力条件下的退化特性进行了详细的理论分析，对SOINMOSFET ' S器件退化机理提出了新见解。
Parameters of the storage degradation model are estimated through the regression theory, and the storage life of missile EMR under normal stress is predicted.
通过回归理论估计了贮存退化模型的参数，并用所建模型对弹用EMR正常温度应力下的贮存寿命进行了预测。
In this article, the theory and the current situation of the ultrasonic degradation of macromolecular substances were summarized, and the prospects of the ultrasonic degradation were also given.
对超声波降解大分子物质的原理及研究现状进行综述，并展望了超声降解的发展前景。
In this paper, root of blue algae in Taihu lake was introduced. For example, formation of blue algae in ecological theory was analyzed and degradation mechanism of lakeshore zone was generalized.
介绍了太湖发生蓝藻的根源，从生态学原理上分析了太湖蓝藻的成因，概括了湖滨带的退化机理及现状。
The shortage of the theory in anaerobic degradation of organic waste was pointed out.
提出了当前有机垃圾厌氧降解理论上的不足。
Currently, the basic control ways of land degradation in the world are still based on the ecological theory and the biological ways.
当前世界范围内对土地退化的治理，基本方法仍是基于生态学理论的生物方法。
Diffractive properties of two dimensional relief gratings made with electromagnetic anisotropic medium are theoretically analysed by using rigorous modal theory, and the degradation is discussed.
利用严格模式理论对二维电磁各向异性浮雕型介质光栅的衍射特性进行了理论分析，并对其退化情形进行讨论。
Diffractive properties of two dimensional relief gratings made with electromagnetic anisotropic medium are theoretically analysed by using rigorous modal theory, and the degradation is discussed.
利用严格模式理论对二维电磁各向异性浮雕型介质光栅的衍射特性进行了理论分析，并对其退化情形进行讨论。
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