• Each component part of pitch has different show and effects to the whole system stability in the modified pitch system of SBS.

    SBS改性沥青体系中,沥青各个组分整个体系稳定性不同表现作用

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  • It is obtained by distilling soft pitch in modified pitch column under certain pressure and temperature after certain time heating.

    中温沥青经过一定压力温度下经过一定时间热处理获得

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  • Moreover, the modified pitch of the invention has the advantages of simple production technology, easy operation and low cost, can utilize tyre rubber and realize the reuse of waste.

    而且改性沥青生产工艺简单易于操作成本。并使用轮胎橡胶实现废物再利用。

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  • Through the comparison among typical modified pitch production processes and features both at home and abroad, the value and position of ACRE's modified pitch process have been established.

    并同国内外典型沥青工艺特点进行了比较,认为ACRE改质沥青工艺具有重要实用价值

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  • The recent developments of modified pitch in China are introduced. The new manufacturers for pitch, improvement for technological process as well as its variation trends of standard are reviewed.

    阐述国内改质沥青一些最新进展;介绍了一些新的质沥青企业、生产技术完善情况以及改质沥青标准变迁情况。

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  • This article mainly introduces that the hot-melt winter construction synthetic technology is applied with modified high polymer pitch waterproof rolling material.

    本文重点介绍高聚物改性沥青防水卷材使用热熔施工综合应用技术

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  • Formulation, process technology and properties of cationic chloroprene latex modified emulsified pitch paint for Bridges are introduced.

    介绍了氯丁胶乳改性阳离子乳化沥青配方工艺及其性能特点。

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  • In this paper, pitch—based spherical activated carbon(PSAC)was modified by the airoxidation treatment.

    利用空气氧化处理法对沥青基球状活性炭进行了改性

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  • Methods of modified coal tar pitch for preparing high specific surface area activated carbon were studied.

    研究了用于制备高比表面积活性炭改质沥青的调制方法

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  • This article deals with the kinetics of thermal decomposition process of non-coking coal with modified coal tar pitch used in a steel company.

    本文对国内某钢铁公司焦化厂所用焦煤配改质沥青的分解过程进行动力学研究

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  • It was indicated that the modified coal pitch, which had not only a great deal of mesophase microbead but good thermostability as well, can be qualified to be an excellent carbon precursor.

    研究结果表明:改性后沥青不仅出现大量中间相小球,而且耐热性优良作为炭材料优质的基体前驱体。

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  • At present, modified bitumen has improved pitch quality effectively, and therefore it has got the extensively approval, and has got fairly better use effect.

    目前改性沥青作为一种提升沥青品质有效途径得到了行业的广泛认可取得好的使用效果。

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  • The spectral parameters were predicted using the conditional probabilistic distribution function based on the pitch and were modified synchronizingly with the pitch using the sinusoidal model.

    频谱参数预测公式由各下的条件概率密度函数导出,频谱参数的修改通过正弦模型实现。

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  • The modified rubber of the invention can effectively improve the property of pitch, is suitable for roadway paving, and has long service life and can reduce the sequent maintenance charges.

    本发明中的新型改性橡胶有效改善沥青性能适合铺设道路路面,使用寿命减少后续维护费用。

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  • Thermal behavior of modified coal tar pitch was analyzed with thermogravimetric and differential scanning calorimetry (TG-DSC).

    采用示差扫描量热技术(TG - DSC)对改性前后沥青热解行为进行分析。

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  • Shapes of coal tar pitch modified were observed through SEM and thermal behavior was analyzed with Thermo-Gravimetric Analysis (TGA).

    采用扫描电镜观察改性沥青形貌;采用热解重量分析仪分析改性沥青的行为

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  • Pyrolysis process of the modified coal tar pitch is studied using FT IR and element analysis, respectively.

    采用FT- IR元素分析研究改性沥青热解过程

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  • The thermal weight loss of asphaltine in the pitch road building oil modified with different additives is studied with derivative thermo - gravimetric analyzer in inert atmosphere.

    惰性气氛中利用分析仪研究了不同添加剂改质煤沥青筑路沥青质的热失重情况

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  • The plastometer thickness of No. 2 coking coal and 1/3 coking coal increased dramatically by adding modified coal tar pitch, meanwhile, the coal caking indexes increased dramatically.

    随着改质沥青加入21/3焦煤的胶质层厚度显著增加,焦2煤粘结性指数也显著增加。

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  • The results show that the fixed carbon in coal-tar pitch modified with activating agent has been increased.

    实验结果表明活化剂改性后煤沥青,固定含量提高。

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  • The results show that phase change of the modified coal tar pitch is different from that of parent coal tar pitch for their respective compositions change greatly.

    研究表明,经过改性沥青结晶组分存在形式、数量以及转变方式发生很大变化;改性后煤沥青的表观活化能降低、反应活性变大;

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  • The raw material undergo chemical treatment and dilution for the modified tall oil pitch binding material to be obtained. and its dilute solution is used as a core binder for foundry use.

    以浮沥青原材料,经化工处理稀释成为改性浮油粘结剂。可以作为铸造用型、砂的粘结剂。

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  • The performance and usage of coal-tar asphalt were introduced. Meanwhile, it was assumed the excellent characteristics, mechanism and technology of the modified coal tar pitch.

    介绍了沥青性能用途以及有广泛用途的煤焦油改质沥青的优异特性,改质机理生产工艺

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  • It is in keeping with the requirement of environmental protection and economic efficiency to produce impregnating pitch from petroleum bitumen modified.

    认为石油沥青经过改性后制备浸渍剂沥青符合环保经济性要求

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  • The molecular structure of cholesteric liquid crystals is spiral, and its pitch can be modified reversibly by heat or cool, irradiation, and electric field.

    甾相液晶分子螺旋结构并且螺距可以加热冷却、光照和施加电场的方法进行可逆调整。

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  • Tests show, the modified restoration scheme can reduce the pitch error due to channel errors at least 10% on channels with bit-error-rates above 1%.

    实验结果表明1%以上的随机误码率下,采用本文提出纠错 算法后,信道误码引起的声码器基音参数误差能够降低10%以上。

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  • Tests show, the modified restoration scheme can reduce the pitch error due to channel errors at least 10% on channels with bit-error-rates above 1%.

    实验结果表明1%以上的随机误码率下,采用本文提出纠错 算法后,信道误码引起的声码器基音参数误差能够降低10%以上。

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