查询词典 modified bessel function

The four different ERH/EMC models including the Henderson, Chung-Pfost, modified Halsey and Oswin equations were respectively used to investigate the fitting agreement of the measured data. Based on the comparison of the residual distributions, the coefficient of determination R2 values, the residual sum of squares SSE values, and the mean relative percentage deviation P values obtained from the regression analysis of six temperatures 20、30、35、40、50 and 60 ℃ tests, the Oswin model with two parameters and the modified Oswin model with three parameters all had the equivalent representative to the prediction of ERH/EMC values for the samples of lemon balm, and was also the best predicting models for the desorption isotherms of lemon balm.

试验时分别以四种平衡含水率模式，即Henderson、Chung-Pfost、修正Halsey与Oswin方程式，经由量测数据适称性之探讨，综合回归分析之残差图及决定系数R2值、残差平方和SSE值与平均相对偏差百分比P值比较后，获致在六个温阶20、30、35、40、50与60 ℃下，Oswin二参数模式与修正Oswin三参数模式皆具有相等的之平衡含水率与平衡相对湿度之适用代表性，可作为香蜂草去湿平衡含水率之最佳预测模式。

The results show that the contact angle, the average ratio of swelling, the surface hydroxyl and the oxy group of the MACR are all raised, the structure of MACR modified asphalt is more uniform and compact, which greatly improves the performance of modified asphalt.

结果表明：活化后胶粉表面接触角、平衡溶胀率、表面羟基含量、含氧基团均增加，使得胶粉表面活性大大加强，活化胶粉改性沥青的结构更加均匀和致密，因而性能更优越。

According to Floquet theory and transition curves of Mathieu equation, two different modified strained parameter methods are compared on precision of periodic solutions. The effect of viscous damp on parametrical rolling stability is analyzed with the modified strained parameter method.

根据Floquet理论和方程的稳定性过渡曲线，比较2种不同改进变形参数法的求解精度，利用改进变形参数法来分析黏性阻尼变化对参数横摇稳定性的影响。

A simple pistil formed from one modified leaf, or that part of a compound pitil formed from one modified leaf; megasporophyll.

心皮 Carpel 组成单雌蕊或复合雌蕊的变态叶；大孢子叶。

Mercaptoethanol self-assembled monolayer modified gold electrode has been fabricated. The electrochemical behavior of metol (N-methyl p-aminophenol sulfate) and p-benzenediol at ME/Au SAMs have been studied. The modified electrode shows an excellent electrocatalytic activity for the oxidation of metol and p-benzenediol, and accelerates electron transfer rate.

在裸Au电极上制备了2-巯基乙醇自组装膜电极，研究了该电极催化米吐尔和对苯二酚氧化的电化学行为，发现该膜加速了电子传递速率，测得米吐尔和对苯二酚的扩散系数分别为D 2.1×10^(-5)平方公分/s、D 2.7×10^(-6)平方公分/s，初步探讨了电催化机理。

When the temperature of the modified Mo-grids is kept at 650 ℃, the modified Mo-grids' electron emission can not be detected with microammeter after 1000h life-span.

将样品进行电子管模拟栅发射试验，栅极温度为 650℃，试验 1000h以上基本无栅发射电流，可以提高栅控管的可靠性和寿命。

By using accelerating Aitken method in iterative method of nonlinear equations, a new modified method is given. The method is applied to modified Newton method, thereby a new method is developed, which is faster and stable. Also, its algorithm is given. Numerical results show that the new method is very efficient.

通过对非线性方程组的迭代法引入Aitken加速技术，设计了一种非线性方程组的迭代解法的加速方法；将该方法与M步Newton法相结合，得到一种收敛速度快而且计算稳定的方法，并给出了具体算法；数值结果表明了新算法是有效的。

According to the XPS results, a formula for thickness calculation of silane-modified layer is also given. Based on the formula, the silane-modified layer thickness are calculated. The results show that they are about 1～2nm, which are equivalent to 1～2 monomolecular layers.

根据XPS结果给出了评估硅烷修饰层的计算公式，并据此计算获得了HA表面修饰层的厚度，各种修饰层的厚度约为1～2nm，相当于1～2个单分子层。

The application of modified emulsified asphalt to road surface crack , slurry seal coat,penetration layer,mucosity layer,gravel mantle and so on of roadway are discussed . It proves that modified emulsified is a new material used for highway maintain.

改性乳化沥青是公路养护的一种新材料，探讨其在道路路面裂缝、稀浆封层、透层和粘层以及石屑罩面等方面的应用。

The NBR vulcanizates modified by in situ formed LiAA and EPDM vulcanizates modified by in situ formed NaAA had high water-swelling ratio over 800% and 300%, respectively.

结果说明：电解质水溶液对原位合成丙烯酸盐改性硫化胶的吸水膨胀过程有影响。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了