查询词典 sulfur dioxide

The characterization results showed that the calcined sample in 300 ℃ was spongy structure tin dioxide with meso-porosity which was formed by accumulating nanoparticles (particle size: ca 5 nm).

结果表明，300℃焙烧处理后的样品由粒径约为5 nm的纳米粒子堆积而形成海绵状结构，其中孔的尺寸范围在2-8 nm，样品比表面积达到了134 m2·g-1。

Nanocomposite coatings were prepared by the blending method with nanosized antimony-doped tin dioxide slurry and waterborne polyurethane as raw materials.

以改性纳米ATO分散浆料和水性聚氨酯为原料，采用共混法制备了纳米复合涂料，并对其隔热性及基本性能进行测试。

The data acquisition from tin dioxide gas sensor array, sampling control, signal preprocessing , and pattern recognition techniques (principal components analysis and back-propagation networks) in electronic noses were also studied in this thesis.

本文在研制新型气敏传感器的同时，也研究了电子鼻中SnO〓气敏传感器阵列的数据采集、进样控制、响应信号的预处理方法以及主分量分析、B-P网络模式识别技术；研制的电子鼻系统在实验系统的基础上不断改进，对白酒、有机溶剂及汽油标号有很好的识别效果，向小型化和实用化迈进了一大步。

The spray pyrolysis technique has a great application potential to be a method to prepare the economical tin dioxide film for its unsophisticated equipment, low-cost and high deposition rate.

在经过深入的文献查阅和前期研究工作基础上，本文提出以无机金属盐SnCl_2·2H_2O和SbCl_3为原料，采用喷雾热分解法制备得到光学、电学性能优良的掺Sb的SnO_2薄膜，并深入探讨了喷雾热分解法的成膜机理。

The doped tin dioxide (SnO2) has promising prospects as the film materials of economical energy saving coating glass because of its excellent optical property, low-cost and easiness to handle.

喷雾热分解法以其设备简单、成本低、制备样品快等优点成为一种很有应用潜力的制备SnO_2薄膜的方法，另外喷雾热分解法在镀膜玻璃的工业化生产中有着广阔的应用领域。

The electrooxidative activity of hydroxypivalaldehyde was studied at a tin dioxide electrode by voltammetry, polarization curve and Potentiostatic electrolysis.

考察了温度、羟基新戊醛浓度、硫酸浓度和阳极电位等因素对羟基新戊醛电氧化的影响。

Keywords nano phase;tin dioxide;dispersant

纳米相；二氧化锡；分散剂

Sb doped Ti-base tin dioxide electrode with an inter-layer was prepared by electrochemical deposition and thermal oxidation. The micrograph of the electrode surface, the element composition of different layers and the structure of the electrode surface were analyzed by SEM, EDX and XRD.

采用电沉积热氧化法制备了含有中间层的Sb掺杂钛基SnO2 电催化电极(Ti/SnO2)，采用SEM、EDX以及 XRD 等检测方法对所制备电极的表面形貌、元素组成及结构进行分析，并以苯酚为目标有机物，研究所制备电极对有机污染物的电催化降解能力。

Nanopowder ; tin dioxide ; ultrasonic wave ; chemical precipitation

纳米；二氧化锡；超声波；化学沉淀法

Mesoporous tin dioxide (SnO2) was synthesized by thermal decomposition of the precursor obtained via a solvothermal method in the presence of SnCl4·5H2O, urea and ethanol.

采用溶剂热方法，以SnCl4·5H2O/尿素/乙醇三元体系合成了具有特定结构的前驱体，该前驱体经焙烧后得到了具有海绵状结构的介孔SnO2。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。