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指数方程     
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  exponential equation
     The changes of yearly crown size were consistent with the exponential equation,y=50.371e0.2527x(R2=0.989 9).
     年冠幅变化符合指数方程:y=50.371e0.2527x(R2=0.989 9);
短句来源
     The Comparison between Unbiased GM (1,1) Model and Exponential Equation Model
     无偏GM(1,1)模型与指数方程模型的比较
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     SOLUTION OF EXPONENTIAL EQUATION OF MATRIX e A=P WITH APPLICATIONS
     矩阵指数方程e~A=P的解及其应用
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     This papar concerns that the fits of the diameter distribution of unevenaged forest by facter "g" suggested by de liocurt and exponential function N=k·e~(-2D) with the factor, and compare with the results fitted by weibull distribution and exponential equation N=A+B(D—k)~n.
     本文利用de Liocourt提出的“q”因子和与之相关的指数函数N=k·e~(2D)分别对异龄林的直径分布进行了拟合,并与应用较广且适应性强的weibull分布和被认为效果良好的加平移系数的指数方程N=A+B(D—K)~n的拟合结果进行了比较。
短句来源
     The results show that the changes of NO_3~- -N couldbe fitted by exponential equation Y=A·e~(b/t), increasing with time while NH_4~+ - N increasedon the first day and then rapidly decreased.
     结果表明,不施及施磷后,土壤NO~-_3—N含量以指数方程Y=A·e~(b/t)随时间递增,NH~+_4—N含量在第一天有所增加,后迅速减少。
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  exponent equation
     the exponent equation was =0.0192×e0.018 8x.
     指数方程=0.0192×e0.0188x。
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     Degradation kinetics of Cry1Ab toxin proteins were fitted to exponent equation in each treatment, and half life of the toxin protein was determined.
     建立了各处理中Cry1Ab降解的动力学指数方程 ,相应地得出了其降解的半衰期。
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     The method and system of the infrared point measurement of temperature is introduced. Modification of colorimeter temperature is expounded. The modification data of emissivity using polynomial or exponent equation are given by computer simulation.
     简要介绍一种微处理器控制的红外点测温方法及系统结构 ,重点阐述双色测温Tc比色温度的修正方法 ,用计算机给出了一组多项式和指数方程的发射率仿真修正数据 ,从而实现物体温度的高精度检测
短句来源
     Catulate the flowrate by taking the exponent equation of permeability and pressure into Darcy equation.
     将拟合的渗透率与压力的指数方程带入达西公式计算流量。
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     Non-linear Least Squares Algorithm is used to solve the parameters in the exponent equation, and the calculation procedure of predicting ultimate pile load by means of the exponent equation is simplified.
     用非线性最小二乘法求解指数方程中的有关参数 ,从而简化了指数方程法预测基桩极限荷载的计算过程。
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更多       
  exponential function
     This papar concerns that the fits of the diameter distribution of unevenaged forest by facter "g" suggested by de liocurt and exponential function N=k·e~(-2D) with the factor, and compare with the results fitted by weibull distribution and exponential equation N=A+B(D—k)~n.
     本文利用de Liocourt提出的“q”因子和与之相关的指数函数N=k·e~(2D)分别对异龄林的直径分布进行了拟合,并与应用较广且适应性强的weibull分布和被认为效果良好的加平移系数的指数方程N=A+B(D—K)~n的拟合结果进行了比较。
短句来源
     Based on the consideration of the contribution of pH value, initial concentration of fluorobenzene, ozone flux and reaction temperature to the ozonation process, a simplified mechanistic model for fluorobenzene degradation by ozone was derived, and the kinetic reaction equation was fitted as an exponential function: C = C0exp(-0.324 exp(-7437/RT) QO30.41C0-0.372[OH-]0.0942t).
     氟苯在臭氧氧化下的降解符合表观一级动力学,采用幂指数方程描述反应动力学,得到方程C=C0exp(-0.324exp(-7437/RT) QO30.41C0-0.372[OH-]0.0942t)。
短句来源
     Results KCNQ2/3 current recorded in CHO cells was a slow-activation low-threshold non-inactivating,voltage-dependent outward potassium current. KCNQ2/3 current was elicited at about-60 mV,V_(1/2)(-26.8±1.2) mV and the deactivation current fitted two exponential function,with τ_(fast) of 101ms and τ_(slow) of 309 ms.
     结果KC-NQ2/3电流呈现慢激活、低阈值、非失活、电压依赖性的外向钾离子电流特点,其激活电压的阈值在-60 mV,半数激活电压值(-26.8±1.2)mV,其去活曲线可用双指数方程拟合,fτast约101 m s; sτlow约为309 m s。
短句来源
     The modified chromatographic exponential function(MCEF) was used to evaluate the quality of the CE separation. The optimized condition(5.0 mmol/L borate,18.5 mmol/L phosphate,6.1% acetonitrile,applied voltage(18.2 kV)) provided the best separation by capillary zone electrophoresis(CZE).
     以丹参为研究对象,将改良的色谱指数方程用于评价酚酸类成分的电泳分离性能,用粒子群优化算法对分离条件进行全局寻优,获得最佳的区带电泳分离条件(5.0 mmol/L硼砂,18.5 mmol/L磷酸二氢钠,6.1%乙腈,运行电压18.2 kV)。
短句来源
     The fracture force exerted at stem of different rice seedlings increases as increasing of the number of rice seedlings in one soil ball, which follows the exponential function P=2 891 2K exp(0 289 4 n ).
     一穴多株秧苗承受的拔断力随株数的增加而增大 ,其变化趋势可由指数方程 P=2 .891 2 K exp(0 .2 894 n)表达
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  index equation
     3、Aggregate selection index method to improve the growth process characters ,the value of the clones 4 factors are the improved parameters, an index equation can be got : I=0.05753Y_1+0.56421Y_2-0.30833Y_3+1.45638Y_4 based on the equation, the clones such as 1011、1101、797、194、187、447、95 should be selected.
     3、利用综合选择指数对所提取的4 个因子进行选择,求得指数方程: I=0.05753Y_1+0.56421Y_2-0.30833Y_3+1.45638Y_4根据指数值得到较优的无性系是1011、1101、797、194、187、447、95。
短句来源
     The index equation Ⅰ=1.647P1+2.993P2+1.522P3+0.0862P4-0.l17P5-1.779P6-1.995P7had been obtained,using synthetic index selection model. Depend on the model,the best genotype families were selected. The paper analysed synthetic index selection method reasonable and efficient.
     该四性状与高、径之间呈极显著遗传相关.采用综合指数选择摸式得指数方程为I=1.647P1+2.993P2+1.522P3+0.086P4-0.ll7P5-1.779P6-1.995P7,据此选出遗传型最佳家系,并分析了综合指数选择法的合理性和有效性.
短句来源
     By using the index equation modular φ (m') as transformation, the speed of encryption and decryption is further increased.
     这种体制用模φ(m′)的指数方程进行变换运算,使得加解密过程的运算速度进一步提高;
短句来源
     The relationship between decomposition rate and decaying time could be described by index equation.
     腐解过程木质素、纤维素、全碳的总量均呈下降趋势 ,其分解率与腐解时间的关系可用指数方程来描述。
短句来源
     By these results, recurring multifactorial model objective equationand hazard index equation were founded.
     依此结果建立复发多因素模型目标方程和危险指数方程
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  exponential equation
An exponential equation dh/dt = aexp(-bh) was also established, where parameters a and b have different expressions according to different reaction mechanisms, and different values for different reaction systems.
      
The suggested exponential equation to describe this dependence can be applied for prediction of the thawing depth of arable peat soils in the European part of Russia and in West Siberia.
      
The time dependence was represented by an exponential equation; the time constant decreased with increasing particle charge and/or applied voltage, and the equilibrium mass of the deposition layer increased with particle charge.
      
Variations of Lendacin concentration in water were approximated with a double exponential equation (CL = C∞{a[1- exp(-k1τ)] + b[1- exp(-k2τ)]}) describing fast initial burst followed by slow release of Lendacin.
      
The pre-anthesis nitrogen uptake rate by plant changed with the PDT in a negative exponential pattern, and post-anthesis nitrogen uptake rate changed with leaf area index (LAI) in an exponential equation.
      
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  exponent equation
Our results illustrate that this equation is much closer to the Liouville problem -Δu=eu in dimension two than the usual critical exponent equation, namely is.
      
If the ramification divisor of Λ is a quartic curve which is the union of simply connected curves, we show that Λ is a symbol algebra and satisfies the 'index equals exponent' equation.
      
It is found that in terms of the ratio of the reduced gas velocity to the similarity variable, the exponent equation derived from the condition of zero pressure gradient and that derived from the theory of singularity are of identical form.
      
  exponential function
The proposed method weights the blur PSF centered at an edge pixel with an exponential function, and consequently decreases the coefficients of the PSF in the direction orthogonal to the edge.
      
The unsaturated hydraulic conductivities followed an exponential function of pressure head.
      
The kinetics of fluorescence inactivation under acidic conditions was fitted by a two-exponential function where the initial inactivation rate was proportional to the fourth power of proton concentration.
      
The permeability of the stratum is assumed to be an exponential function of the coordinates.
      
The character of this change is well described by an exponential function.
      
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  index equation
Based on a small damage assumption, a damage index equation is revealedn the context of elasticity.
      
It turns out that the resulting damage index equation inherently suffers from singularities near inflection nodes.
      
With the aid of the singular value decomposition technique, the solution to the damage index equation is achieved in the Haar wavelet space.
      
Next, the physical desired solution to the damage index equation is reconstructed from the one in the wavelet space.
      
This model first predicts height growth with the polymorphic site index equation.
      
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