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1)  transition tangent
缓和切线
2)  tangent run-off
切线缓和段
3)  easement curve
缓和曲线
1.
Coordinate Calculation of Easement Curve Center and Side Stakes Using VB;
使用VB编程实现缓和曲线中边桩坐标计算
2.
A constrained optimization method for deciding easement curve length in the raising operation speed of the existing railway;
既有线提速时缓和曲线长度的最优化算法
3.
Accuracy analysis of coordinating calculation of easement curve;
缓和曲线坐标计算的精度分析
4)  spiral curve
缓和曲线
1.
Research on characters and calculation of arc length about parallel sidelines of spiral curve;
缓和曲线的平行边线的性质及弧长计算研究
5)  adjustment curve
缓和曲线
1.
The method of round or adjustment curve suruey and design is laying geometer out the angle bisector according to cosine the ormern.
全站仪安置在分角线上任意点测设圆曲线,以及缓和曲线原理是根据余弦定理,全站仪测设方法是应用极坐标法进行测设曲线。
2.
On basis of the features of the center line of the railway alignment,the author describes the methods of calculation and treatment of the lateral movement of the adjustment curves and the center line of the railway alignment at curved section,placing emphasis on the derivation of the calculation formula of the transition of the curves.
根据线路中线的特点,介绍了线路平面缓和曲线和线路中线在曲线地段侧移的计算和处理方法。
3.
On the basis of the study of the chevron alignment sign home and abroad, the placing of chevron alignment sign is discussed by the method of tangential protrusion in distance on rural high-level road with adjustment curve.
在国内外关于线形诱导标志的研究基础上 ,按照切线支距法 ,对我国山区高等级公路含有缓和曲线路段的线形诱导标志设置进行了探
6)  transition curve
缓和曲线
1.
Computation formulas of points on transition curve in road construction and application of program CASIO-fx4500;
公路缓和曲线点位计算公式和CASIO-fx4500程序应用分析
2.
The calculation of plan location of pre-cast hollow slab beams on transition curve of small radius;
小半径缓和曲线上预制空心板梁的平面布置计算
3.
Coordinates computation of non-ground transition curve;
非基本型缓和曲线的坐标计算
补充资料:缓和加氢裂化
分子式:
CAS号:

性质: 是在中等压力(6.5~10MPa)下对重质馏分油进行加氢裂化增产轻质油品(汽油、煤油、柴油)和裂解原料的炼油技术。流程与高压加氢裂化相似,但它们为一次通过,尾油不循环,且原料为直馏减压馏分油(减压瓦斯油)。其装置投资和操作费均低于高压加氢裂化,约为后者的60%。但所能处理原料的范围和产品灵活性都较小。

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