查询词典 asphaltum

According to the approximation ability of WNN, the nonlinear system is able to be modeled, obvious effect was shown in process modeling of residuum cracking and prediction of asphaltum yield and pyrolysis gas yield.

利用小波网络的逼近性，对非线性系统进行建模和预测，通过渣油裂解的实例，将小波网络与RBF网络作为对比，可以看出，小波网络的建模和预测效果都优于RBF网络。

Application of deacidification technology in Ⅳ atmospheric and vacuum distillation unit of Zhonghai Asphaltum Stock Company is expounded.

目前，我国炼油厂对馏分油(直馏柴油、减压溜分油)脱酸多采用碱洗电精制工艺和加氢精制工艺。

Based on many lab test s and a case line, the measuring technique and application Index of Asphaltum road surface of Tongsan Express in Fuiian Province is studied, the quality standard and error controlling area is put forward, the aim is to promote the road quality.

在大量室内试验研究及试验段验证的基础上，对改性沥青混和设计和关键施工工序及质量控制进行了对比并提出了施工质量标准与误差允许范围，为进一步提高路面施工质量起积极的推动作用。

With the help of less core samples, detecting error of GPR for the thickness of asphaltum layer on highway is less than 5% via this method.

经检验，借助于少量钻芯数据，利用此法可使公路面层厚度检测的相对误差小于5％。

The petroleum of BoHai bay is a kind of high gluey, asphaltum and viscosity crude oil. Its emulsion is very difficult to be broke, only less than high pour point and heavy crude oil. And it is always a serious problem to choose several good kinds of demulsifiers in the oil gathering process of BoHai bay.

渤海地区海上原油的特点是属于高胶质沥青质环烷基稠油，其所形成的原油乳状液是比较难处理的原油乳状液，它的脱水难度仅次于高凝稠油，其针对性破乳剂的选择一直是困扰生产的主要问题。

A novel thermoplastic elastomer was prepared from modified asphaltum by SBS and SBR with some adjuvants.

用SBS和SBR对沥青进行改性并配以其他辅料制得TST ，其力学性能特别是疲劳实验表明该材料的技术指标能满足桥梁伸缩装置的要求。

The Research on New-type Energy Conserving and Truck-loaded Installation for Heating up Asphaltum with Remaining Heat of Exhaust Gas of Automobile

通过热处理技术，对沥青进行改性试验，提高了沥青的软化点及甲苯不溶物含量，改性后沥青可满足建筑沥青使用要求。

Asphaltum: Natural mineral compounds consist of carbon, hydrogen, sulphur and nitrogen or the residue from distillation of petroleum, coal tar or rosin.

沥青：天然产生的沥青是含有碳、氢、硫和氮的矿产化合物。人造沥青是蒸溜石油，煤焦油或松脂后的余下渣滓。

The feasibility of neural network application to asphalt concrete pavement performance forecast is set forth. Three main environmental factors-traffic, rainfall, temperature, which can lead to the direct change of pavement performance are used as the input layer of neural network. The performance indexes of asphaltum concrete pavement, i.e. dilapidation rate, smoothness, deflection, friction coefficient are used as output layer. The relation between environment factor and pavement performance is acquired by introducing the module of BP Neural Network in MATLAB.

阐述了应用BP神经网络进行沥青混凝土路面使用性能预测的可行性，以环境因素，即交通量、降雨量、温度等3个直接使路面性能发生变化的主要因素作为BP神经网络的输入层，以沥青混凝土路面的破损率、平整度、弯沉值、摩擦系数等4项性能指标作为输出层，采用MATLAB语言中的BP神经网络模块进行自学习，得出环境因素与路面使用性能之间的关系。

The full length of this road is 5721 meters, including six turning points and twelve upright curve, according to the requirement of the letter of assignment, we should fulfill the missions as follows: Route plane design, route vertical section design, roadbed design, road surface framework design (asphaltum road surface and concrete road surface) as well as selecting one kilometer for road surface drainage design, route transect design together with cubic meter of earth and stone.

此公路全线5721米，共设有六个转点，十二个竖曲线，根据设计任务书的要求，本次设计将要完成以下任务：路线平面设计，路线纵断面设计，路基设计，路面结构设计(沥青路面和水泥混凝土路面)以及选取一公里的路线进行路面排水设计，路线横断面设计，并进行土石方的调配。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。