查询词典 sulfur

Thus,total desulfurization percent of hydrotreated gasoline increases,and mercaptan sulfur content reduces,because of the higher depth of reaction.

通过提高反应深度，加氢汽油总硫的脱除率提高，汽油中硫醇硫含量下降。

Various influence factors of mercaptan sulfur in OCT-M hydrotreated FCC naphtha are analyzed , and hydrogenation reaction temperature and H2 S content in recycle hydrogen can be considered as the key influence factors.

对影响OCT-M加氢汽油硫醇硫含量的因素进行分析，认为加氢反应温度和循环氢中硫化氢浓度是主要影响因素。

Aiming at the high content of sulfur mercaptan and short induction period of the naphtha, countermeasures were taken for improving the quality in accordance with the resid FCC char...

针对经常造成重油催化裂化汽油硫醇硫含量偏高、诱导期偏短的问题，结合重油催化裂化生产的具体特点及经验，提出了改善汽油质量的对策，并取得了满意效果。

It provides a route tothe compounds which contains three functional groups, two carbon-nitrogentriple bonds and one carbon-carbon double bond. In water, metallic indiumpromotes carbon-sulfur bond coupling reaction of aromatic sulfonyl chloride withsuitable organic halides to afford sulfones. In the last chapter, metallic tin mediated allylation of aldimines with allylbromide was revealed.

第三章，我们研究了在水相介质中金属铟促进的烯丙基溴对1，1-二氰基-2-芳基乙烯的Michael加成反应，生成一个含碳碳双键和二个碳氮叁键的三官能团化合物，另外，金属铟在水介质中还可以促进芳基磺酰氯与卤代烃发生碳硫键的偶联，生成砜。

A brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold.

一种脆的、银白色非金属元素，与硒和硫有关联，用于合金及作半导体，主要作为碲化物存在于铜、镍、银、金矿石中。

The transformation reaction of organic sulfur compounds in the presence of methanol have been discussed in the paper.

本文探讨了甲醇存时有机硫化物的转化反应。

KF series of moisture analyzer,model RC1 residual chlorine analyzer,GQH dualpath infrared CO and CO2 analyzer,model ST201 bench turbiditymeter,model ZD gas chromatography with zirconia's sensor,model WKL microcoulomb sulfur analyzer.

KF型系列水份测定仪，RC1A型残余氯浓度分析仪，GQH型红外线分析仪，ST201型台式浊度仪，ZD型氧化锆检测器气相色谱仪，WKL型微库仑硫分析仪。

In this paper, four parts are included to study the role of cloud dynamics, microphysics and chemistry process in ozone photochemistry and sulfur chemistry in the troposphere.

本文分四部分研究了与云过程有关的云动力学、云微物理和化学过程对对流层大气臭氧光化学和硫化学的作用。

The traditional mineralizer fluorine and sulfur are replaced by basalt and slag.

矿化剂选用了玄武岩和矿渣替代了传统的氟硫矿化剂。

The mixing ratio s of reduced sulfur compounds in Beijing city and Tibetan highland were determined by using the method.

利用该方法测定了北京市和青藏高原地区还原态硫化合物的混合比，结果表明，北京市和青藏高原地区存在较强的COS和CS2 人为和自然排放

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。