查询词典 modified bessel function

Firstly, the sisal fiber surface is modified by chemical method, the influence of the kinds and amounts of modified reagents are investigated.

首先，通过化学方法对天然剑麻纤维进行了表面改性处理，考察了改性用的偶联剂种类以及其对纤维改性效果的影响。

The sodium silicate was modified with modified resin and then was used for preparation of moulding sand.

采用改性树脂对水玻璃进行改性处理，并用改性后的水玻璃配制型砂。

The authors discuss a new numerical simulation method of the downburst wind loads on the basis of the previous research. Firstly, the wind speed is expressed as the sum of an instantaneous mean wind speed and an amplitude-modulating non-stationary fluctuating wind speed. Secondly, a new method based on the modified Osegguera and Bowles/Vicroy model to simulate the mean wind is presented and the fluctuating wind is simulated by a modified spectral representation method.

在将下击暴流风速表达为时变的平均风速和调制的非平稳脉动风速之和的前提下，本文采用基于改进的OBV模型Oseguera and Bowles/Vi-croy(OBV的方法来模拟平均风速，其平均风速直接由改进的OBV模型表达，而不同于已往研究中将平均风速表达为竖向风剖面与时间函数的乘积，并采用结合快速傅里叶变化的谐波叠加法来模拟调制的非平稳脉动风速。

Methods: The sodium stearate was selected to modify the magnesia powder,and the modified time,the pH value of solution and temperature for the influence of the modified effect were reviewed.

方法采用硬脂酸钠对氧化镁粉体进行表面改性，考察了浓度、温度和溶液pH值对吸附量的影响。

In the pH=7.00 phosphate buffer solution, a detailed study of diethyl stilbestrol's electrical behavior has been done at the MWNT /graphite modified electrode. The results show that: the diethyl stilbestrol can generate a sensitive oxidation peak at about +0.375V and a weak reduction peak at about +0.095V on the MWNT /graphite modified electrode respectively.

在pH=7.00的磷酸盐缓冲溶液中，利用MWNT/石墨修饰电极，系统研究了该修饰电极对己烯雌酚的氧化，阳极扫描过程中，在+0.375V出现一个灵敏的氧化峰，阴极扫描过程中，在+0.095V出现一个还原峰。

Compared the performances of three kinds of modified polyester fiber ,introduced the main finishing and dyeing process of lowly twist fabric,strongly twist fabric and the stockinet,and discussed the key links of the modified polyester process through instances.

比较了3种改性涤纶品种的原料性能，介绍了低捻织物、强捻织物和弹力织物的主要染整工序，并通过实例具体讨论了改性涤纶产品加工过程中的关键环节

Evaluation of particleboard made from rice straw bonded with NaOH modified SPI adhesive The effects of mold pressing temperature, mold pressing pressure, mold pressing time, initial moisture content of NaOH modified SPI adhesive coated rice straw, etc. on the mechanical properties of strawboard were investigated.

NaOH改性大豆分离蛋白胶粘剂对稻秸致密成型的影响研究研究NaOH改性大豆分离蛋白胶粘剂与切碎稻秸的模压温度、压力、模压时间、稻秸初始含水率等参数对稻秸成型板的物理特性和机械性能指标的影响。

If the specific surface area (0.3391 m2/g) of non-modified tea extracted residual was set as 1, the specific surface area of 9 adsorbents, modified with optimized condition, will be 24.7 thiocarbamide plus phosphorylation (1, 12.2 phosphorylation (1, 6.7, 6.5 phosphorylation (2, 6.1 (sodium thiosulfate modification), 5.9 formaldehyde (1, 5.8 formaldehyde (2, 5.4, and 4.9.

设未经修饰过茶叶渣比表面积(0.3391 m2/g)之相对比值为1，其余九种化学修饰化法制备之吸附剂比表面积相对比值分别为硫脲加磷酸化修饰处理法24.7，磷酸化修饰处理法 12.2，磷酸化修饰处理法 6.7，硫脲提升纤维素架桥作用6.5，硫代硫酸钠修饰处理法6.1，甲醛修饰处理法 5.9，甲醛修饰处理法 5.8，醋酸修饰处理法5.4，柠檬酸修饰处理法4.9。

A gold electrode modified by thionine covalently bound to self-assembled cysteamine monolayer has been prepared. The Th-SAM modified electrode is electroactive and exhibits two redox couples which formal potentials are more positive than that of thionine in bulk solution.

在电极表面进行化学修饰，将具功能性的分子、离子或聚合膜固定在电极表面，使电极具有某种特定的化学和电化学性质，是目前电化学和电分析化学研究中最活跃的领域之一。

Objective: To verify whether hot PBS washing after the enzymatic reaction between tyramine and horseradish peroxidase can improve the sensitivity and specificity of catalyzed signal amplification. Methods: Using 7 different types of primary antibodies and 2 tomor microarray system, we carried out EnVision, LSAB, Standard CSA, and modified CSA staining sod compared their sensitivities and specificities. Results: The modified CSA method was the moat sensitive one among the 4 methods.

目的：探讨酪胺与过氧化物酶发生酶促反应后，用热缓冲液洗以进一步提高和改善催化信号放大法的敏感性和特异性方法：应用7种不同类型的一抗，2张不同肿瘤的组织芯片，同时进行EnVision法、LsAB法、标准CSA法和改进CSA法染色，比较敏感性和特异胜。

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