查询词典 exponential curve

R-T characteristic is not a strictly exponential curve and material constant is the function of temperature.

研究表明，NTC多晶氧化物半导体的电导是由晶粒中载流子的热激发并穿过晶界势垒形成的，电导同时受晶粒和晶界的控制；材料的电阻–温度特性不是严格的指数曲线；材料常数与温度有关。

Although chargingoccurs at an exponential rate, the very beginning of the exponential curve approximates a straight line.

虽然充电是以指数率进行的，但该指数曲线的最开头那一部分接近于一根直线。

The slightest exponential curve from a big trend would eventually surpass the steepest linear curve they saw while losing.

大趋势的指数曲线最终会超过亏损时最陡峭的线性曲线。

Exponential curve, but the curve of isobaric process is flatter than that of isochoric

定压过程线与定容过程线在T-s 图上都是指数曲线，但从同一状态出发的定压过程线比定容过程线平坦些。

On the basis of 414 soil profiles from 14 provinces, it was found that soil organic carbon, differing from soil inorganic carbon and other elements, has a trend of exponentially decreasing with depth. Integral analysis of exponential curve contrasting with the linear model affords the uncertainties of linear model and exponential model for carbon storage calculation. It was found that the integration of TOC with the linear model has errors between +20% to +100%, much higher than that of the exponential model (-10% to +20%).

在收集分析14个省市414条的土壤剖面数据的基础上，发现土壤有机碳的垂直分布与无机碳和其他元素不同，存在指数分布规律，运用面积积分运算方法发现利用直线模型计算土壤有机碳库的误差(+20％~+100％)远大于指数模型的误差(-10％~+20％)。

Utilizing Multivariate Regression Modeling and Spectral Derivative to establish five function pattern cotton dry matter accumulation modeling based on Ratio Vegetation Index and Normalized Difference Vegetation Index,all correlation coefficient is highly positive(α=1%,n=96),based on RVI modeling has a higher precision than NDVI does,hyperbolic curve fitting,exponential curve fitting and logarithmic curve fitting have further improved analysis against cotton dry matter accumulation.

利用北疆8个棉花主栽品种(其中2个棉花品种设4水平种植密度)的各生育期冠层高光谱数据，经多元统计分析与光谱微分处理，建立了基于比值植被指数和归一化植被指数的5种函数形式的棉花干物质积累估测模型，相关系数均达到了极显著水平(α=1%，n=96)。

Results There was a linear trend between logarithmic X and Y, the equation of logarithmic curve was able to be fitted, There was a linear trend between logarithmic Y and X, the equation of exponential curve was able to be fitted, There was a linear trend between logarithmic X and logarithmic Y, the equation of power curve can be fitted. There is a parabola pattern between X and Y, the equation of parabola was able to be fitted.

结果 X取自然对数与Y作散点图有直线趋势，拟合对数曲线方程；Y取自然对数与X作散点图有直线趋势，拟合指数曲线方程；X取自然对数与Y取自然对数作散点图有直线趋势，拟合幂函数曲线方程；原始数据X和Y成抛物线关系，拟合抛物线方程。

The results indicate that the vertical distribution of solar radiation shows S-curve at the early stage and the late stage of Phragmites communis growth,while it is exponential curve at the peak stage.

结果表明：芦苇群落内太阳辐射的垂直分布在生长前期(5月)和后期(9月)呈S型曲线，生长盛期(6月和7月)呈指数曲线变化。

Different from the routine trapeziform curve of frequency converting speed system, the motor's speed was adjusted according to exponential curve , and soft braking was realized by detent unit contained in the power module, enhancing the fluency and stability when running.

自动门的运行速度曲线与常用的梯形变频调速曲线不同，采用S形曲线对电机进行调速控制，以及采用自带缓冲制动单元的功率模块实现柔性制动，增强了自动门运行的稳定性和平滑性。

At present,people often predict soft-ground settlement with the method of exponential curve and double-curve extent;but the result is not ideal.

中国地质大学环境学院武汉430074，深圳市规划与国土资源局土地投资开发中心深圳518034，中国地质大学环境学院武汉430074袁琴

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。