Based on the test results, the paper establishes the degradation models of shear stress-strain backbone curve for both loading process. Comparing the two degradation models of backbone curve, it is revealed that the uniqueness between both degradation models of shear stress-strain backbone curve for any value of instataneous pore water pressure.

Percentage change(1984-2004) in household and soil quality data were used toconstruct the statistical variables and land degradation indices used in testing the induced intensificationand land degradation models.

In the present paper, the relations between the interfacial debonding rate, debonding length and the number of cyclic loading are obtained by the use of three different degradation models.

The results showed that neither in high nor low light intensity, in all cases 4BS degradation models seriously observed the L-H zero kinetics, that was to say the initial rates were constants.

Mechanisms for degradation of MOSFET's induced by hot carrier effect and degradation models are presented in the paper Also, the worstcase stress condition and typical life prediction models are shown Finally, technologies for characterization of MOSFET's degradation are summarized

Incorporating an accelerated test variable, we provide several new accelerated degradation models for failure based on the geometric Brownian motion or gamma process.

Accelerated Degradation Models for Failure Based on Geometric Brownian Motion and Gamma Processes

Estimation in Degradation Models with Explanatory Variables

We believe that this framework can deal with other non-uniform degradation models.

The results comprise an extended experimental data base, degradation models, improved certification and design tools as well as design guidelines.

This paper discribes the degradation phenomenon formed in the long-term cyclic charge and discharge of fast ionic conductor Na-β-Al_2O_3. Besides the rapid degradation (mcdel Ⅰ) generally assumed, there exists also a slower degradation (model Ⅱ)which starts at the grain boundaries or the phases between grains of the materials and accompanied by the recombination of electron-ions as well as the decline in electric properties such as electric conductivity etc. untill the failure of its...

This paper discribes the degradation phenomenon formed in the long-term cyclic charge and discharge of fast ionic conductor Na-β-Al_2O_3. Besides the rapid degradation (mcdel Ⅰ) generally assumed, there exists also a slower degradation (model Ⅱ)which starts at the grain boundaries or the phases between grains of the materials and accompanied by the recombination of electron-ions as well as the decline in electric properties such as electric conductivity etc. untill the failure of its mechanical structure.In addition, it points out that calcium ion is a very harmful additive for this sodium--alumina insulater in solid Na/S battery system. The harmful effect not only exists in the material when calcium ions are doped before sintering, but exists when the pure sintered sample is soaked in the molten solution(CaCl_2+NaCl), even the content of CaCl_2 is only 0.1 mol%. The mixed additives are concentrated abundantly around the grain boundary and triple grain junction zones. The activation energy of Nat ions will increase to 0.57 eV when the concentration of Ca~(2+) ions is up to 2.0 mol％, and then it will lead the fast ionic conductor to lose its superionic conductibility.

In this paper, the dynamic problem of a soil——nonlinear MDF shear structure interaction system is analyzed. A trilinear stiffness degradation model of the material of the super-structure is taken as a restoring force. By separating the nonlinear term in the equation of motion of the system into linear and nonlinear components and then putting the later to the right hand of the equation as an additional load, the nonlinear response of the system can be computed by means of the Modified Method of Fourier...

In this paper, the dynamic problem of a soil——nonlinear MDF shear structure interaction system is analyzed. A trilinear stiffness degradation model of the material of the super-structure is taken as a restoring force. By separating the nonlinear term in the equation of motion of the system into linear and nonlinear components and then putting the later to the right hand of the equation as an additional load, the nonlinear response of the system can be computed by means of the Modified Method of Fourier Transform-Time Domain Iteration (MFTTDI). Finally, a satisfactory convergent result is obtained.

According to a thermal degradation model of the kerogens, this paper gives a series of carves showing the relationship between the rate of oil generation and the depth of burial for the estimation of the total amount of oil generated in a specific area, The curves are constructed from the laboratory thermal degradation data of various source rocks together with reflatory index of vitrinites under various simulated temperature and the relationships between the maximum cumulative rate of oil generation...

According to a thermal degradation model of the kerogens, this paper gives a series of carves showing the relationship between the rate of oil generation and the depth of burial for the estimation of the total amount of oil generated in a specific area, The curves are constructed from the laboratory thermal degradation data of various source rocks together with reflatory index of vitrinites under various simulated temperature and the relationships between the maximum cumulative rate of oil generation and type exponents of kerogens…etc. With these plots,cumulative rate of generation curves are further determined according to the average type exponents of kerogens in the source rocks ineach formation in the western sag of the Liaohe depression; and the total amount of oil generated from the source rocks in various formations in the whole thermal evolution process by means of these data combined with related geochemical parameters. Principly, the technique as presented in this paper can be used to estimate qnantitatively any source rock body which had undergone various development stages.