溶剂油

At the same time, two different coal feeding methods - coal from the vertical pipe and from the inserted tube, were separately simulated and analyzed. According to the internal flow distributions under two different coal feeding methods, we made a judgement that the former feeding method was better than the latter.

为了进一步对煤粉捏合器进行优化设计，按照上述方法本文从改变旋转轴的转速、改变煤粉跟溶剂油的进口流量、改变搅拌桨叶形式以及改变搅拌桨叶外端与混合槽壁间距几个方面重新进行了数值模拟与分析。

Feedstock and product features of domestic and foreign petroleum hydrocarbon solvent oil are introduced together with the new products and technologies.

介绍了国内外石油烃类溶剂油原料和产品的性质、新产品和新的精制技术动态。

By the distribution of petroleum by-products, the main species include: petroleum coke, asphalt, sulfur, paraffin, fuel oil, solvent oil, 90 # automotive unleaded gasoline, 180 # air scrubber Friends, 0 # diesel oil, since each type of product models many not to introduce them one by one (we can according to customer's specific requirements for ordering) to establish a stable market network is our goal, but also aims to target customers provide the necessary products, we will ensure ample supply and low prices.

石油焦 、沥青、硫磺、石蜡、燃料油、溶剂油、90#车用无铅汽油、180#航空洗涤友，0#柴油等，由于每类产品的型号众多，暂不一一介绍（我们完全可以根据客户的具体要求订购）建立稳定的市场网络是我们的目标，更旨在为目标客户提供所需的产品，我们将保证货源充足，价格低廉。

Production of environmentally-benign solvent naphtha up to the international quality specification,with low aromatics and low sulfur,will be the trends in this aspect.

由于应用领域的不同，溶剂油的产品规格各有不同，对造成环境严重污染的硫化物和芳烃的含量都有一定的限制。

Key words Synchronization fluorescence spectrum technology; Diesel oil; 120 # solvent naphtha

关键 词：同步荧光光谱技术；柴油；120＃溶剂油

Various solvent naphtha fraction generally have to go through refining.

各种溶剂油馏分一般都需要经过精制加工。

The solvent naphtha purification technologies in China were reviewed.

溶剂油大部分是各种烃类的混合物。

Solanesol was extracted in the waste tobacco leaves by dynamic saponification method of ethanol and solvent naphtha.

建立了以废次烟叶粗提物为原料，采用乙醇和溶剂油动态皂化方法萃取茄尼醇的工艺。

Aromatic solvent naphtha was obtained by two-stage synthesis from C9 fractions from ethylene cracking with boiling range of 100~200℃ in the presence of Lewis acid as catalyst.

以沸程在100~200℃乙烯副产C9馏分为原料，进行了以Lewis酸为催化剂的两段聚合法制备芳烃溶剂油工艺的研究。

This article has described the technology to prepare aromatie solvent naphtha by use of the C9 fraction (100-200℃ boiling range) as raw material, few is acid as catalyst, through a cationic polymerization.

本文介绍了利用沸程在100~200℃间的C9馏分为原料，以Lewis酸作为催化剂，进行阳离子聚合反应制备芳烃溶剂油的工艺。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。