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1.Two mathematical models were established on the characteristic of resistance-temperature of critical temperature resistors (CTR) of V-P-Fe. They are power function-model and logarithm function-model.
为了建立与V-P-Fe系临界温度热敏电阻(Critical Temperature Resistor,CTR)的阻温特性相符合的数学模型,根据CTR在临界温度tc附近阻值的突变与幂函数、对数函数极限无限大处曲线斜率突变相类似的特点,以tc附近为极限无限大点,分别用幂函数和自然对数函数建立两种不同的数学模型。收藏指正
2.Beam halo-chaos for five different initial ion distributions is effectively controlled by a logarithm-function controller based on the variable.
结果显示，新的控制方法对强流加速器中5种初始分布的离子束均有较好的控制效果。收藏指正
3.and the swell is a power function or a logarithm function of time,deponding on the slope of line ～t . The theoretical results are verified by the test results of Ningxia expansive soil.
膨胀变形量是时间的幂函数，或是时间的对数函数，取决于·ε～t 直线的斜率．宁夏膨胀土的膨胀变形试验结果验证了本文的理论结果收藏指正
4.An appropriate cost function is constructed which avoids the use of the logarithm likelihood function that is lack of robust to the noise correlation, moreover, our method have many advantages such as, low complexity, suitable for coherence signals, etc.
构造适当的代价函数，避免了对数似然函数的使用，该方法对色噪声协方差矩阵特征值分散具有稳健性，同时具有较低的计算复杂度和适用于相关甚至相干源等优点。收藏指正
5.A LAW OF THE ITERATED LOGARITHM FOR RANDOM WIN-DOW-WIDTH KERNEL ESTIMATOR OF A NONPARAMETRIC REGRESSION FUNCTION
非参数回归函数的随机窗宽核估计的重对数律收藏指正
6.The log() function returns the natural logarithm (base E) of a number.
函数的作用是：返回一个数值的自然对数。收藏指正
7.In this Research, the plant esterase of wheat and α-ethanoic acid naphthalene ester were taken as materials to inspect the relation between the wheat esterase and the organic phosphorus, ten linearity equations were established which expressed the esterase vigor and the organic phosphorus density logarithm with the change of the numerical value of ultraviolet resorption, and the monotony range and the extremum of the function were confirmed.
摘要本研究以小麦为植物酯酶的酶源，α-乙酸萘酯为底物，考察了小麦酯酶与有机磷农药之间作用的关系，建立了10个以吸光值变化表示的酶活性与有机磷农药浓度对数之间的线性方程，并确定了函数的单调区间和极值。收藏指正
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