指数

We study it, in order to understand the application of mathematical formula in physics and chemistry more deeply.

在物理学上，有许多重要的物理量间的关系如大气压强随高度的变化关系，分子松弛运动与时间的关系等，均可用指数关系式或对数关系式来表示；在化学中，特别是化学反应速度与温度的关系，化学平衡常数随温度的变化等，通常也可用指数关系式或对数关系式来表示。

The suspended sediment exponent model and quadratic inversion model solving spectrum reflectance, spectrum reflectance mean value and reflectance first-order derivative are established respectively, based on the analysis of spectrum characteristics. The results showed that the 900 nm wavelength exponent model can accurately quantitatively inverse the suspended sediment concentrations.

在对其光谱特性进行分析的基础上，分别建立了悬浮泥沙光谱反射率、光谱反射率均值和反射率一阶微分的指数反演模型和二次反演模型，结果显示 900 nm 波长的指数模型可以较准确地定量反演出悬浮泥沙浓度。

In this paper, we study the decreasing types of the output of oil field opened by pouring water and the successive approximation method of its solution in mathematics and seepage flowing mechanics.

从数学和渗流力学概念对注水开发油田产量递减类型和判别求解方法进行了研究，提出产量递减类型应为指数递减和双曲线递减两种类型；双曲线递减的递减指数n的变化范围应为0＜n＜∞；递减类型判别和递减参数求解方法可以根据最小二乘法原理，采用数学逐次逼近法直接求解产量随时间递减的关系式。

In this paper, we discuss the number of the orthonormal set of exponential function in other cases. And we prove that either isn't a root of a equation of "odd" type or is even, any orthonormal set of exponential function in has at most two elements, where is the minimal primitives polynomial for.

本文讨论当ρ为其余情形时，指数型正交序列集中元素个数，证明了当ρ^(-1)不是奇数型方程的根或者其本原最小多项式g满足g为奇数时，则L^2中任何指数型正交集至多含有两个元素。

Of Zhouhe carps have haplotype Ⅱ; 81.25% of Jian carps have haplotype Ⅵ; 39.47% of mirror carps belong to haplotype I and 47.37% belong to haplotype II Haplotype diversity and nucleotide diversity within Zhouhe, jian and mirror carp samples were 0.1603, 0.3327, 0.6287 and 0.003042, 0.004838, 0.007163 respectively.

州河鲤中以单倍型Ⅲ为主，达91.37%，建鲤以单倍型Ⅵ为主，达81.25%；框鳞镜鲤中单倍型Ⅱ占39.47%，单倍型Ⅲ占47.37%；州河鲤、建鲤以及框鳞镜鲤群体内的单倍型多样性指数和核苷酸多样性指数分别为0.1603、0.3327，0.6287、0.003042，0.004838、

By combining these indices with seven thermodynamic properties reported in literature of such PCBs, including standard entropy (S0),standard enthalpy(H0),standard free energy(G0),total energy,thermal energy correction,zero-point vibration energyand constant volume molar heat capacity (C0V), a series of quantitative structure property relationship .

本文在前面工作[13-14]的基础上，建构了一种新的定位指数mW及基团对应指数D，用mW结合D与多氯联苯的热力学性质进行关联，建立了良好的预测模型，取得了与文献方法[15]同样优良的估算和预测结果，而本法采用的变量较少，计算也较为简便。

According to the second class standard of the national soil environment quality, pollution severity of heavy metals in the soil was evaluated by monomial pollution index method and Nemerow synthetic pollution index method.

依据国家土壤环境质量二级标准，用单项污染指数法和内梅罗综合污染指数法评价土壤重金属的污染程度。

Of course, doctor should also one who walk the talk and should be in normal BMI rather than the one who is in the "morbidly obese" BMI.

当然，医生也应走在一个谁说话，并应在正常的体重指数，而不是一个谁是"病态肥胖"身体质量指数。

The method of quality control based on multistage process capability indices from quality loss is discussed.

分析了基于5M1E的过程能力指数改进关键因素，为从源头探究将过程能力指数持续维持在经济、合理范围奠定了基础。

Otherwise, we construct an exponential fitting schur product multistep method based on schur product multistep method and exponential fitting method.

数值实验表明，该方法与传统方法相比，在同等步长下，方法的计算精度远远高于传统方法。另外，本文将此类指数拟合方法与Schur积多步方法结合起来，构造了一类指数拟合Schur积多步方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。