指数方程

结果表明，湿地进出水COD服从指数方程规律。

The results show that the COD at the inflow and outflow follows the rule of exponential equation .

橡胶缓冲冲击的效果只与橡胶厚度有关，且随橡胶厚度的增加而增强；橡胶的缓冲能力与橡胶厚度的关系可用指数方程表示。

In case of flexible impacting with rubber cushion , the buffering effect varies only with the thickness of rubber cushion , which can be expressed as exponential equation .

以指数方程变换RGB三原色阶调的得失计算

Gain and Loss Calculation of Transforming RGB Tricolor Tone with Exponent-TRC

经胃灌入后，~（59）Fe在大鼠内的整体滞留，能很好地拟合二项指数方程。

After gastric intubation , the whole body ~ ( 59 ) Fe-retentions in rats were fit to two compartment exponential equations .

将分形的思想引入到一类指数方程的研究中，研究指数方程解与Julia集理论的关系。

The paper applies the fractal theory to some exponential equations , studies the relation between roots of some complex exponential equation and theory of Julia sets .

通过对有机质、全氮、C／N比差异较大的10种土壤进行盆栽和培养试验，用对数方程、指数方程、幂函数方程对土壤氮素矿化过程进行了摸拟。

The pot and incubation experiments were carried out with 10 soils by different indexes including organic matter , total nitrogen content and C / N ratio , nitrogen mineralization processes of soils are simulated using logarithmic , exponential and power functions .

矿渣层中的重金属含量随堆放时间的增长而降低，可用负指数方程很好地描述矿渣中的重金属（Pb、Zn和Cd）的自然释放过程。

With prolongation of piling time , the contents of these heavy metals in the slags decrease gradually . The natural releasing processes of Pb , Zn and Cd in the slags can be primely described with minus-exponent equation ;

利用Nagamori的悬浮指数方程对渣中铜和硫的机械夹杂损失进行了计算，分析了铜机械损失的形态。

Losses in copper and sulfur in residue resulting from mechanical entrainment are calculated using Nagamori ′ s physical suspension exponential equation , and the mechanical loss form of copper is analysed .

多年生柠条根系虽然可分布到500cm以下土层，但是大部分根量分布在0～150cm土层，根系随深度分布可用指数方程描述；

Although the brush root penetrates to a depth of more than 500 cm , most of the root mainly distributed in the upper 150 cm soil , the relationship between root and depth is exponential function .

吸附系数与压力之间的关系可用指数方程描述。

Peer Pressure The relationships could be described with exponential equations .

关于2阶矩阵指数方程的一点探讨

A Research on 2 × 2 Exponential Matrix Equations

幂指数方程拟合物种多度分布模型的研究

Study on fitting the model of species abundance distribution by the power-exponent equation

将数量化立地指数方程转化为数量化立地质量得分表，并在其基础上编制了数量化立地质量评分表。

Transform the quantitative site index equation into quantitative site quality score table .

结果表明：每种植物的出苗率都随着沙埋深度的增加而降低，而且遵循着指数方程关系。

In the burial experiment , seedling emergence declined exponentially with sand burial depth .

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。

The relationship between decomposition rate and decaying time could be described by index equation .

依此结果建立复发多因素模型目标方程和危险指数方程。

By these results , recurring multifactorial model objective equationand hazard index equation were founded .

首次提出用幂指数方程来拟合物种多度分布模型。

The power-exponent equation is first used to fit the model of species abundance distribution .

稻田土壤的有机质数量演化可以幂指数方程表示。

The changes of SOM contents in paddy soil could be expressed by a power exponent equation .

在加热过程中，胶层粘度随温度和时间的变化可用二重指数方程描述。

The viscosity change of a glue line with temperature and time could be described qualitatively by a dual equation .

结合工程实例，分析了双曲线法，灰色系统理论方法及指数方程法在基桩极限荷载预测中的应用效果。

Predicting effects of hyperbola method , grey theory method and exponent equation method are studied through predicting the field measured data .

以指数方程模拟压缩过程，根据万能试验机实测数据，计算出草砖的压缩试验系数。

According to the data from testing machine , the testing coefficients of straw bale were calculated , based on an exponent model .

结果表明，在水冲洗条件下硝酸根和铵根的释放质量浓度呈一阶指数方程降低；

The results show that the releases of ammonium and nitrate nitrogen lower in exponential model , under the conditions of water washing ;

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；

By using the index equation modular φ ( m ' ) as transformation , the speed of encryption and decryption is further increased .

方法：在传统的曝光指数方程的基础上，运用了数学推理和物理中的杠杆平衡理论。

Method : On the basis of the difference of exposure index , lever principle that normally applies to mathematics and physics is employed .

结果表明，交变电场作用下煤的渗透率与体积应力的关系基本上符合负指数方程；

The result shows that the relationship between permeability of the coal samples and volume stress in AEF well accords with negative exponential function ;

霜害温度出现的累积概率随日序的变化可以用指数方程表示。

The variation in wheat jointing date and the occurrence of low temperatures for frost injury ( LTFI ) in Huang-Huai wheat production areas are analyzed .

研究结果表明：秸秆生物量的降解呈现出先快后慢的指数方程曲线规律。

The results showed that the degradation rate of straw biomass was fast and then slow over time , which fit the single phase exponential equation .

昆虫病毒在田间随时间的衰减过程为单调下降型，可用指数方程描述这种衰减。

The decay process of insect virus in the field as the increase of time is the continuous decline type , and can be described with the exponential equation .

根据气井指数方程和物质平衡方程，在定压生产方式下，推导出了气井无因次产量与无因次时间关系式。

The relation expression between dimensionless production and dimensionless time of gas well in the productive condition at constant pressure is derived out according to exponential equation and material balance equation .

通过数学分析，结论是：不能采用负指数方程描述悬浮物的沉降规律。

Through mathematic analysis , the author of this paper comes to a conclusion that negative exponential equation can not be used to elucidate the regularity of the settling of suspended matter .