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Study on treatment of coal tar waste water by chlorine dioxide;2. Determination of naphthalene in coal tar by capillary pillar gas chromatography

白色易挥发晶体，有温和芳香气味，粗萘有煤焦油臭味；蒸汽压 0.13kPa/52.6℃闪点：80℃；熔点 80.1℃沸点217.9℃；不溶于水，溶于无水乙醇、醚、苯，相对密度(水=1)1.16；相对密度(空气=1)4.42；稳定性：稳定；危险标记：8；主要用途：用于制造染料中间体、樟脑丸、皮革、木材保护剂等

The research coal tar surface active position spot is studies the coal tar and the methane action mechanism foundation.

研究煤焦表面的活性位点是研究煤焦与甲烷作用机理的基础。

The paper introduces coal tar processing and new technology of coal tar separation both at home and abroad and the shortcomings of domestic technology. PRO/Ⅱ was used to simulate two-column continuous distillation and was found to be a good tool to improve the technology.

介绍了国内外煤焦油加工发展的现状和煤焦油分离的新技术，阐述了我国在该领域存在的不足，并以PRO/Ⅱ为工具对煤焦油两塔式连续蒸馏进行了模拟研究。

Datong coal industry group, established in 1998, is a professional engaged in coal tar, carbon black oil, fuel oil, coke, methanol, kaolin, such as the production, warehousing, logistics company.

大同市同业煤化集团公司成立于1998年，是一家专业从事煤焦油、炭黑油、燃料油、焦炭、甲醇、高岭土等产品的生产、仓储、物流的公司。

A company in 2006 introduced Japanese JFE's coal tar processing technology into the country's installed production capacity of a single set of the largest and most technologically advanced coal tar processing base, and achieved good economic results.

国外发达国家如德国、日本等煤焦油加工行业高度发达，而我国企业煤焦油加工技术水平低、规模小、污染严重。A公司2006年引进日本JFE公司煤焦油加工技术，建成全国单套装置生产能力最大、技术最先进的煤焦油加工基地，取得了良好的经济效益。

A model for predicting the sulphur content in hot metal based on neural networks is introduced. Blast temperature, blast flux, top temperature, burden, coal injection rate, sulphur content in ore, sulphur content in coke, sulphur content in coal and silicon content of last tap were selected as inputs. The inputs were treated with time lag to improve prediction.

采用3层BP神经网络来预报高炉铁水硫含量，根据高炉冶炼的实际生产数据，选取风温、风量、炉顶温度、焦炭负荷、喷煤量、矿石硫含量、焦炭硫含量、煤粉硫含量和上一炉铁水硅含量9个因素作为输入变量，为提高神经网络预报的准确率，对输入参数进行时滞处理。

Since one stove can save half the coal, if I buy 2, no coal will be needed!

一个炉子可以省一半的煤，那么如果我买两个炉子的话，不就可以把煤全都省下来了吗？

Seeing the coal gas comes out, I know, my coal stove drum breeze machine

看到煤气出来，我就知道，我的煤炉鼓风机

Since one stove can save half coal, if buy two, no coal will needed!

炉子可 省半煤，那么如果买两炉子话，就可把煤全都省下来吗？

The territory is rich in minerals, coal, limestone, granite, marble, is an important industrial basewo xian have an installed capacity of 3.5 kilowatts of power plants on the county is located in Hongo Zhang Village,pang pang ta mine Luliang Huozhou Group through the coal company to a series of technological transformation, expansion, and now production reached 3,000,000 tons / year, rural enterprises 11 brick factory, a pre-plant, 12 stone factory, paper mill 2, a shoe factory. 108 Highway 16 through the territory of the village, the rest of the village road are simple.

境内矿藏丰富，煤、石灰石、花岗石、大理石，是我县重要的工业基地，有装机容量3.5千瓦的县发电厂就座落于本乡张家沟村，庞庞塔煤矿通过霍州煤电集团吕梁能化公司一系列的技改、扩产，现在产量也达到了300万吨／年，乡村企业有砖厂11家，预制厂一家，石子厂12家，造纸厂2家，鞋底厂一家。108省道贯通境内16个村，其余村都简易公路。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。