查询词典 asphaltum

Main contents include the path route design, Route design, Cross-sectional design, Longitudinal design, design with three vertical curve, Roadbed design, In subgrade pavement design, wet conditions in different structures of asphaltum highway surface, and the scheme design, reasonable economy, facilitating construction requirements and meet the design requirement, T calculation and allocate, Plant layout, Landscape design

主要内容包括道路选线设计；路线平面设计；横断面设计；纵断面设计，设计中有三个竖曲线；路基设计；路面设计，在路基在不同干湿状态下，对沥青路面的结构进行设计并对方案进行比选，要求经济合理，便于施工并满足各设计规范要求；土石方计算与调配；桥涵布设；景观设计

The average percent content of saturated hydrocarbons and aromatic hydrocarbons is changed from 56.32% to 60.38% and from 21.44% to 22.97% respectively, and resins compounds are increased by 2.09%, and asphaltum is reduced to 1.29%.

原油经配伍菌作用后含蜡质量分数平均降低17.56%，含胶质量分数平均降低26.54%，处理后的原油表观黏度与处理前相比降低50%，原油流动性得到改善。

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。

Asphaltum is a brownish-black solid or semisolid mixture of bitumens obtained from native deposits or as a petroleum byproduct, used in paving, roofing, and waterproofing.

沥青，是一种黑褐色固体或半固体沥青混合物，采自天然矿藏或是石油的副产品，用于铺路，封屋顶和防水。

Bried introdution: The product is from oil lube distillate cut and leavings without asphaltum.

产品简介：本产品以精制的大庆石蜡基油为基础油，添加极压，抗磨剂，防锈剂、防氧剂、抗泡剂等多种优良添加剂调试而成。

It mainly covers the basic components, technological nature and function, quality control approaches and usage approaches of commonly used architecture materials in engineering constructions such as calcareousness, gesso, concrete, beton, steel, limber, asphaltum, decoration materials, heat preservation, adiabatic and waterproof materials.

该课程主要讲述工程建设活动中常用建筑材料（石灰、石膏、水泥、混凝土、砂浆、钢材、木材、沥青、装饰材料、保温绝热及防水材料等）的基本组成、技术性能、质量检验方法和使用方法，并且讲述根据工程建设项目的特点和要求，合理选择和正确使用建筑材料的基本方法。

During the period of asphaltum-concrete road construction, construction group is huge, whether the construction machines can be attempered reasonably and efficiently, then dispose kinds of unexpected changes, is the key of construction process.

在沥青混凝土路面施工过程中，施工群体庞大，能否对各施工机械进行合理的、高效的调度，快速准确地处理施工过程中出现的各种突发变化，是整个施工过程的关键。

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。