查询词典 logarithmic

The author gives two methods to specify the scale interval by using fitting of three—broken—line as well as statistical hypothesis testing based on the estimate of the derivative of the double logarithmic curve.

由于实际动力系统的混沌吸引子其自相似性只能在一定的尺度范围内存在，文中给出了两种无标度区间的确定方法以正确地估计吸引子的分形维数，即三折线拟合方法和通过直接估计双对数曲线上每一点的导数并利用统计假设检验方法确定合理的无标度区间。

It was shown by the study that relationship of unadvantangeous porosity and the total porosity of hardened cement paste accords with logarithmic curve. The flexural strength and abrasion resistance of mortar can be roughly forecasted through calculating the density of mixture system.

研究表明，在条件一定情况下，浆体硬化后期的有害孔隙率与总孔隙率之间服从对数曲线关系；通过计算混合体系密实度的大小可以初步预测砂浆抗弯强度及耐磨性的优劣。

Dissolved oxygen increases with higher stirrer speed, which promote metabolism of microorganism, logarithmic curve will end earlier.

发酵槽培养实验中，当转速提高时，溶氧量增加，使得菌体生长代谢加快，对数生长期提前结束。

Due to the logarithmic nature of the pH curve, the transitions are, in general, extremely sharp; and, thus, a single drop of titrant just before the endpoint can change the pH significantly - leading to an immediate colour change in the indicator.

由于PH曲线的对数性质，一般而言转变是非常明显的，因此，等当点之前的一滴滴定液能使PH发生显著变化，引进指示剂颜色突变。

The development with age of the strength of super high strength concrete containing X FLOUR has the same trend as the one containing other mineral admixtures, that is, the strength develops fast in early age but slower in late age, in accordance with the logarithmic curve.

X粉超高强混凝土随龄期的强度发展规律与用其它掺合料配制的超高强混凝土的强度发展规律相同，即早期增长快，后期增长缓慢，呈对数曲线增长。

Turned perfect complete stress-strain curve in uniaxial compression test into Cauchy stress- logarithmic strain curve,so the tangential modulus can be acquired which is available for analyzing large deformation.

将材料常规单轴压缩全过程的应力-应变曲线转化为真实应力-真实应变的曲线，从而得到可用于大变形分析的切向弹性模量。

Graunt also was the first person to use mortality statistics to project population survival, probably by crudely fitting data samples to a logarithmic curve.

Graunt还是运用死亡率统计大致通过粗略匹配数据样本集勾画一条对数曲线来估算人群生存期的第一人。

The correlation between arbor and shrub coverage and buried groundwater level, the minimal area and buried groundwater level was characterized"S"and logarithmic curve respectively.

3对塔河下游植物群落个体数量特征的研究表明：随离河距增大，物种数、密度、草本盖度和频度与地下水埋深相关不显著；乔灌木盖度、最小面积与地下水埋深关系分别为"S"型和对数曲线。

An anomalous kink is observed in the back-gate logarithmic curve of both nMOS and pMOS, which is attributed to charged traps at the buried oxide/top silicon interface during irradiation.

分析表明电离辐射在埋氧／顶层硅界面处产生的界面态陷阱是导致异常kink效应产生的原因。

Test showed that the interpolation in the odd step was concise and quick in operation. The interpolation in the even step was used to improve accuracy. The logarithmic curve could be interpolated in the embedded Computerized Numerical Control system with multi-axis control and the precise grounding of conical milling cutter could be realized.

测试表明，奇数步插补简明快捷，偶数步插补精度提高，在嵌入式数控系统中能进行对数曲线的多轴联动插补控制，实现了锥度铣刀的精密磨削加工控制。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。