查询词典 modified bessel function

The compatibility of grafted version with butylruber matrix was studied by analsising solubility parameter of A-151 and butyl rubber, surface free energy of modified nano-silica and unvulcanized tensile compound butyl rubber. In the paper, the effects of modified nano-silica on physical properties of vulcanizes were studied.

通过研究偶联剂(A-151)和氯化丁基橡胶的溶解度参数、改性纳米二氧化硅和未硫化增强硫化胶的表面自由能分析了改性纳米二氧化硅与未硫化增强胶的相容性。

Based on a brief review of semiconductor photocatalytic mechanism and researches in the past 30 years on TiO2 heterogeneous photocatalysis, this paper emphasizes that the natural vanadiferous rutile and its modified products, which have not been investigated by either Chinese or foreign research groups, degrade halogenated organic contaminants. By means of grinding, heating in situ, heating, quenching and electron irradiation, the natural rutile could be modified.

在简述半导体光催化理论及TiO2多相光催化作用近30年研究现状的基础上，重点对国内外一直处於空白状态的天然含钒金红石光催化性能进行研究。

From the FTIR and GPC analysis of modified TDI-trimer, it can be concluded that there are main pentamer structures in the modified TDI-trimer.

TDI单体采用分批加入的合成工艺可以控制产物中游离单体含量在1.0%以下，符合环保要求。

In qualifying it was all Cavalieri, who went on to TQ all three rounds of Truck Modified and 4wd Modified.

在符合资格的，它是所有卡瓦列里，谁接着就tq所有三轮卡车改装越野车和改装。

The properties of the SBR-modified asphalts were compared with that of SBS-modified asphalt before and after adding sulfur.

与SBS改性沥青正好相反，后者的低温性能较好，高温性能较差，表现为软化点低，高温动态力学性能较差，具有很高的低温延度。

Orthogonal experimental method is used to carry out a test for shearing between waterproof layers. The test is made on crumb rubber modified asphalt and SBS modified asphalt, subjected to different temperature, thickness of paved ply and diameter of bestrewed detritus.

为研究桥面防水粘结层的层间剪切性能，通过正交试验法分别对胶粉改性沥青和SBS改性沥青两种防水材料在不同温度、铺设厚度、撒布碎石粒径下进行了层间剪切试验。

The CAWs, graphite and mineral oil were directly mixed to make the CAW modified carbon paste electrode and the electrocatalysis of the modified electrode to hydroquinone was studied.

用直接混合法制备了碳原子线修饰碳糊电极，并研究了对苯二酚在该电极上的电化学行为。

A modified aerial image was obtained by convolving the aerial image with a Gaussian filter to smear the image in a manner analogous to resistive diffusion, and then applying a variable threshold resist model on the modified image to predict the CD variations.

用高斯滤波器与空间影像进行卷积，得到改进的空间影像来模拟光刻胶的扩散，然后使用可变阈值光刻胶模型，以实际工艺数据拟合该模型参数，再把改进空间影像的相关信息作为输入，并根据可变阈值光刻胶模型所确定的光强阈值来预测CD变化，从而使光刻仿真的结果更精确地附合实际测量数据。

Using modified conventional powder metallurgy process for sintered Nd-Fe-B magnets , including annealing of ingot alloy, hydrogen decrepitating, modified jet mill and adding additive during jet milling, we have mass-produced high performance and high corrosion resistance sintered Nd-Fe-B magnets from a conventional ingot alloy without strict protections against oxidation.

利用改进的传统粉末冶金工艺(铸锭热处理、氢爆、改进型气流磨设备以及在气流磨中掺入添加剂等)，在无严格的防氧保护情况下，从传统合金铸锭出发，工业化生产出具有高耐蚀性的N48～50档烧结Nd-Fe-B 磁体。

Many factors such as surface area, amount, chemical characterization, surface-coated condition, freshness and variety and category of experimental animal all affect their toxic intensity. This article studied the acute toxicity of Fe3O4 nanoparticles of non-modified and modified on ICR-mouse by douching stomach.

纳米颗粒的表面积、数目、化学性质、表面包被情况、新鲜度及试验动物的品系、种属等等方面的差异均影响纳米颗粒的毒性作用，本实验将自制的未经改性和经油酸钠改性的Fe3O4纳米颗粒对ICR 小鼠的口服急性毒性进行了研究。

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