asphalts的例句大全

The authors discussed systematically the low temperature behaviour of six types of the different asphalts mix with tests in room, and analysed the variation regulation of shrinkage coefficient, tensile strength and creep modulus with the change of temperature.

通过室内试验，系统地研究了6种不同沥青的混合料低温性能，着重分析了收缩系数、抗拉强度和蠕变模量随温度变化的规律。

Based on Penetration Test, the construction temperatures of the four Warm Mix Asphalts are determined. And then, the author uses the gyratory compactor ( SGC) to verify the science and applicability of the Penetration Test with the indicator of Porosity.

通过贯入法，本文确定了四种不同机理温拌沥青混合料的施工温度，并通过旋转压实仪（SGC）以空隙率为指标验证了贯入法的科学性和适用性。

In this study, dynamic shear modulus master curves and time-temperature shift factors for two type's of asphalts ( a 70# unmodified asphalt and a SBS modified asphalt) were determined according to the time-temperature superposition principle.

本研究根据时间-温度置换原理确定了两种沥青（70号普通沥青和SBS改性沥青）的动态剪切模量主曲线和时间-温度转化因子。

Study on thermal conversion of vacuum residues and their deoiled Asphalts by supercritical fluid extraction

减压渣油及其超临界抽余油热转化性能的研究

Compared to the asphalts modified by the LDPE and SBS added directly, the LDPE/ SBS blends modified asphalts in the presence of reactive agent showed much better storage stability at high temperature.

结果表明：直接添加LDPE、SBS所得到的改性沥青，其高温贮存稳定性很差，在反应剂加入后得到了一定程度的改善。

Determination of Molecular Weights of Petroleum Residues and Asphalts by Cryoscopy(ⅰ)─ Feasibility of the Method

冰点降低法测定渣油和沥青的分子质量（Ⅰ）&方法的可行性研究

SBS modified asphalts were prepared through adding different types and different brands of SBS into Esso AH-90 asphalt at same dosage and same processing condition, and their effects on modified asphalt performance were analyzed via technical indexes.

对埃索AH-90号沥青，分别掺入相同剂量不同种类、不同牌号的SBS，按照相同的加工工艺制备SBS改性沥青，通过技术指标试验来分析SBS类型和牌号对SBS改性沥青性能的影响。

Dynamic viscosity ratio at 70 ℃ is sensitive in long term aging, which can be used to characterize the anti-aging performance of the two asphalts in long term aging.

70℃动力粘度比对长期老化敏感，可以表征两种沥青的抗长期老化性能的优劣。

It has been found that the age hardening of asphalts is mainly due to the increase of asphaltene content.

沥青质含量的增加是沥青老化后性质变坏的重要原因。

a rustics opinion on ductility of sbs modified asphalts

刍议SBS改性沥青的延度性质

through lots of force ductility tests, the tensile performances of the different sbs modified asphalts in different temperatures are analyzed.

采用测力延度试验，本文分析了不同SBS改性沥青在不同温度，不同改性剂掺量下的性能变化特点。

standard test method for specific gravity , api gravity , or density of cutback asphalts by hydrometer method

用比重计法测定稀释沥青比重api比重或密度的标准试验方法

Flame-retardant asphalts with different flame-retardant ( H , L , W ) were prepared.

选用三种阻燃剂 分别制备 了不同的阻燃沥青.

Analysis of Property Differences of Two Kinds of Asphalts

两种重交通沥青性质差异的分析

Research on Production Technology of Aging Resistance Asphalts

耐老化型道路沥青生产技术研究

Research progress of ground tire rubber modified pavement asphalts

废橡胶粉改性道路沥青的研究进展

The true molecular weight distribution curve can distinguish the performance of different asphalts quickly.

根据准确的相对分子质量分布图可以快速对比不同沥青的性能。

Standard method of test for absolute viscosity of asphalts

沥青绝对粘度测定法

Wax distribution in two typical paving asphalts

两种典型道路沥青中的蜡分布

The experimental results show that each constituent of asphalts changes into the near heavier one;

结果表明，沥青的各组分变重，平均分子量增大；