| 1. | In this paper , using the three - state hopping model firstly , we discuss the characteristic time to reach the steady state for the potassium channel and illuminate the validation of the model to transient behaviors
另外，本文首次利用这一三态跳跃模型讨论了钾离子通道到达稳态的特征时间，说明这一模型的建立对暂态特征也是有效的。 |
| 2. | Fourier transform method use high order frequency to analyse and imitate nonlinear and non - stationary data . emd method based on local characteristic time scale of the data is more fit to analyse nonlinear and non - stationary data than fourier transform method
Emd基于信号的局部时间特征尺度分析原信号，克服了傅里叶变换用高次谐波频率分量拟合非线性、非平稳信号的缺点。 |
| 3. | With the xiaping municipal solid waste lindfill taken as an example , laws of the rate and quantity of solid waste degradation varying with time were obtained by means of experimental data of amounts of organic matter and residue of degradation in test materials and the characteristic time of degradation
以深圳下坪垃圾填埋场为例，根据试验材料中的有机物和降解残余物含量以及特征降解时间，计算得到降解速率和降解量随时间变化规律。 |
| 4. | ( 3 ) by defining a measure parameter b , we show that there is a maximal region for the measure b in the patch temperature and patch size parameter plane where the coherence resonance phenomena are very remarkable , and the characteristic time of the output also confirm our result
通过定义圆硕士学位论文人工入sr r ’ st卜1厂515一个测量参数口，我们显示了在膜面积和温度的参数平面上，口的取值有一个最大的区域，对应系统的相干共振。 |
| 5. | The diffraction efficiencies of multiple holograms recorded and fixed in different number of batches are calculated and analyzed . if a special exposure schedules calculated based on the characteristic time constants of batch fixing scheme is incorporated for equalized diffraction efficiency , the greater the number of batches is , the higher the equalized diffraction efficiency of fixed holograms
结果表明，采用分批存储热固定技术，所分的批次数越多，经等衍射效率曝光时序记录后的全息图最终达到的等衍射效率值越高，并且所有全息图的写入曝光时间值越接近。 |
| 6. | With the characteristic time method , we also studied the condensation coefficients of water and argon in liquid - vapor equilibrium system . the simulated condensation coefficient decreases with the increase of temperature for both argon and water , and the condensation coefficient of water is larger than that of argon . though the polarity and the rotation are considered in the simulation of water , the difference between the condensation coefficients of water and argon is not remarkable
模拟获得的lennard - jones流体和水在平衡条件下的凝结系数表明：水和氩的凝结系数为温度的减函数；水的凝结系数略高于氩的凝结系数；虽然在水的模拟中考虑了分子的极性、旋转等因素，但模拟获得的水与氩的凝结系数之间的差距并不显著，具体原因仍有待于进一步的探讨。 |
| 7. | With md method , we studied evaporation and condensation process . by statistically analyzing the behavior of the colliding molecules with the interface , we presented a novel method , namely , the characteristic time method , to calculate the evaporation / condensation coefficient . in this method , the condensed then re - evaporated process is considered
对蒸发与凝结过程进行了分子动力学研究，提出了统计凝结系数的新方法- -特征时间法，该方法通过统计获得有效区分反射过程和凝结再蒸发过程的特征时间，从而使求得的凝结系数近似程度更好。 |
| 8. | 2 . the transient behav ; ors in the initial period of time and the characteristic time to reach the steady state for the molecular motor are discussed . the results are as follows : the transient behaviors relate to the transition rates and the initial condition , and the characteristic time is only determined by the transition rates
分析了在最初一段时间内分子马达的暂态特征及到达稳态所需的特征时间，结果表明：分子马达的暂态特征由初始条件和跃迁速率常数共同决定，而到达稳态所需的时间只由跃迁速率常数决定。 |
| 9. | In this paper a numerical method for equations of transport and biodegradation in the fractured media is discussed . because the equations consist of terms related to advection , diffusion , biochemical as well as the term of exchange betwen the fracture and the porous media , it is very difficult to find their solution . in order to find more efficient method for solving these equations , several numerical methods for the equations without biochemical terms are discussed first . the numerical results show that the cubic spline method can be used to solve advection flow dominated problem which often occurred in the fractured media . then , the equation with both advection - diffusion term and biochemical term are discussed . the splitting - operator is used to decouple the advection and diffusion terms with biochemical term in the equations . the way to determine the smaller time step for solving fast biochemical terms is introduced through comparing the order of characteristic time of biochemical term with that advection ( diffusion ) term . numerical simulation results show that good agreement between analytical solution and experiment result is attained
本文讨论了含裂隙介质地下水污染物输运与生物降解非线性方程组数值求解方法.方程含有对流项、扩散项、生长、死亡、吸附、解吸、趋化和孔隙与裂隙介质界面间的交换项的非线性偶合，使算法十分困难.本文讨论了无生化过程时的几种求解方法，数值结果表明：用三次迎风插值法对常见的对流项占优势，且场变量有较大梯度的问题较适用.在讨论有生化反应过程时，利用对流项与生化反应项的特征时间量级估算，给出了求生化过程作用子步的时间步长估算办法.用上述方法所得到的模拟结果与解析解、无化学反应和有化学反应的实测值对比，吻合很好 |
