upgrade

Study on upgrading of bio-oil catalyzed over solid acids;

固体酸改质生物油的研究

Effects of the operating conditions in the mix zone on FCC naphtha olefin upgrading

油剂混合区的工艺条件对催化裂化汽油改质的影响

Factors affecting the coke formation and olefins conversion during the upgrading of FCC naphtha,such as catalyst microactivity(MA),various narrow fractions of FCC naphtha,reaction temperature and MHSV,were studied by using a MAT-GC on-stream analysis system and a fixed fluidized bed device.

利用微反-色谱联合实验装置和固定流化床实验装置,考察了FCC汽油改质过程中,催化剂活性、FCC汽油窄馏分、反应温度和质量空速对催化剂积炭和烯烃转化的影响。

Research on straight-run gasoline modification

直馏汽油的催化改质研究

The behavior of pyrolysis condensation of coal-tar pitch during the thermal polymerization modification is described.

研究软化点在评价煤沥青聚合程度中的作用,描述热聚合改质过程中煤沥青热解缩聚行为,并分析了中温煤沥青热聚合改质过程中各种沥青组分随热聚合温度和热聚合时间的转变规律。

Progress in technologies of decreasing olefin of FCC gasoline was introduced in detail from modification of FCC gasoline property such as hyogenization, etherification, isomerization, alcylation etc.

论述了催化裂化汽油降烯烃的重要意义 ,从加氢、醚化、异构化、烷基化等FCC汽油直接改质方面着手 ,详细介绍了国内外FCC汽油降烯烃改质技术的最新进展情况 ,同时介绍了离子液体这一全新的降烯烃介

Experimental study on using ionic liquids to upgrade heavy oil;

离子液体催化改质稠油实验研究

Study on the coking gasoline non-hydrogenative refining upgrade;

焦化汽油非加氢精制改质的研究

According to the slag (FeO) content high, the slag splashing process is upgraded with the high-carbon magnetic pellet and the converter service life can be prolonged.

针对转炉终渣 (FeO) %高 ,采用高碳镁球进行改质处理 ,可明显改善溅渣护炉工艺效果 ,进一步提高炉

The improtant function of the reformed-pitch during the carbon-products preparing were simply introduced, whereas two kinds of technology to produce pitch reformed.

简要介绍改质沥青在炭素制品生产中的重要作用以及生产改质沥青的二种工艺。

The Coke Plant,based on a profound analysis of the problems existing in modified asphalt production,has taken appropriate measures,thus reducing operational cost and enhancing tar processing benefits.

对焦化厂改质沥青生产中存在的问题进行了分析,并采取了相应的措施,降低了其运行成本,提高了焦油加工效益。

Modified Nanoscale HZSM-5 for Upgrading of Low Quality Light Oil;

改性纳米HZSM-5在低品质轻油改质中的应用研究

Transformation of 70kt/a NON-Hydroupgranding Gasoline Equipment

70kt/a汽油非临氢改质装置消缺改造

Do Not Modify Mat IDs or Material

不改变材质或材质id号

To change the nature or natural qualities of.

使性质改变改变…的性质或自然属性

and beans also improve the quality of the soil.

而豆类还可以改善土质。

The quality of industrial growth continued to improve.

工业增长质量继续改善

change completely the nature of something.

完全改变事物的本质。

Substantial Transformation - Supplementary Criteria

实质性改变—补充标准

(iii) Substantial Transformation - Supplementary Criteria

(ⅲ) 实质性改变—补充标准

Airplanes have transformed warfare.

飞机改变了战争的性质。

Improve quality of work-product

改进工作-产品质量

The post office aimed to improve its quality of service.

邮局锐意改善服务质量。

The Post Office aims to improve its quality of service.

邮局锐意改善服务质量.

The post office aim to Improve Its quality of service

邮局锐意改善服务质量

An amount or quantity added or subtracted in order to correct.

改正量为改正而加入或抽除的数或质

(ii) Substantial Transformation - Change in Tariff Classification

(ⅱ) 实质性改变—税则归类改变

Substantial Transformation - Change in Tariff Classification

实质性改变—税则归类改变

To alter the nature or characteristics of.

使变质改变…的性质或特征