tar是什么意思

网络释义

用法例句

Study on treatment of coal tar waste water by chlorine dioxide;

二氧化氯处理(煤)焦油废水的研究

Determination of naphthalene in coal tar by capillary pillar gas chromatography;

毛细管柱气相色谱法测定(煤)焦油中萘

Zhaotong lignite, with rich reserve and shallow buried depth, can be easily exploited and generate many products by low-temperature pyrolysis, including tar, pyrolysis gas, semi-coke and lignite ash.

对昭通褐煤及其热解产物性质的实验研究表明,(煤)焦油含氧高,含硫低,轻柴油馏分高达60%,可直接用作燃料油,或用于生产轻柴油;热解煤气热值约为18MJ/m3,属中热值煤气,可用作城市煤气或工业锅炉的燃料;半焦着火点低,热值约为20MJ/kg,可作为清洁燃料用于发电或民用;褐煤灰的主要组分是氧化钙和氧化硅,可用于生产水泥或建材。

The review of coal-tar oil market in recent years and forecast in the future;

近年(煤)焦油市场回顾与后市展望

Naphthalene content in coal-tar oil and cleaning oil was analyzed and determined using SE-54 capillary column.

用 SE- 5 4毛细管柱分析了(煤)焦油和下游产品洗油中的萘含量 ,比国标法分离度好 ,用内标法 (对四甲苯做内标 )定量准确可

It was found that the coal-tar oil had well combustion characteristics after being emulsified.

研究发现(煤)焦油在掺水乳化后具有良好的流动性、稳定性和燃烧特性。

Shape selective isopropylation products of coal tar naphthalene over different zeolite catalysts have been studied by capillary gas chromatography/mass spectrometry (CGC/MS) combined with computerized library search and manual interpretations of mass spectra.

采用毛细管气相色谱 /质谱 (CGC/MS)联用技术 ,经计算机质谱库检索并结合人工谱图解析 ,研究了在不同沸石分子筛催化剂上(煤)焦油萘择形异丙基化产物的组成。

The Development of Coal-tar Industry of Our Country;

我国(煤)焦油行业的发展方向

Inquiry and analysis on domestic and oversea technology for process of coal-tar;

国内外(煤)焦油加工工业的发展探析

The reaction modes,such as thermal cracking,cracking with the presence of catalyst and/or hydrogen,for processing the mixture of Lungu heavy oil and a kind of coal-tar were studied using an autoclave reactor.

采用高压釜对轮古稠油和某(煤)焦油的混合油进行各种类型的反应研究,考察了反应条件以及催化剂浓度、稠油与(煤)焦油质量比、供氢剂和蜡油循环对产物分布的影响。