查询词典 tar cancer

The principle of low temperature Tar-removing device is the use the characteristics of tar from gas phase to liquid phase at low temperature.

低温除焦油装置的原理是利用气相焦油在低温时形成液相的特性，冷水机组将常温水制冷后，通过喷淋低温水使燃气降温，气体中的焦油充分液化后与水一起排出进入筛检程式过滤。

Then more tar with hydrocarbon substituent is expected than benzene in the engineering application of biomass gasification gas reburning with tar.

本文对所选取的苯、甲苯、苯乙烯和苯酚等典型焦油模型化合物还原NO开展了实验研究，分析各焦油组分还原NO的特性。

The key technologies are biomass gasification process, tar treatment and gas purification, Tar containing wastewater treatment and recycling, gas power generation and system control technology.

该系统达到以气代油，降低发电成本的目的，其关键技术包括生物质气化工艺，焦油处理及气体净化，焦油废水处理及其循环使用，燃气发电和系统控制技术等。

Low-boiling phenols in low-temperature coal tar are important chemical raw materials. For the identification and determination of the individual phenol boiling below 210℃ in the low temperature coal tar, the methods of gas chromatography, liquid-liquid chromatography followed by ultra-violet analysis and fractional distillation followed by infrared analysis were evaluated and compared.

随着煤炼油工业的发展，煤焦油中的酚类，特别是低級酚，作为化工原料的利用很重要，我們应用(1)气液色譜法，(2)液液色譜与紫外光譜法結合及(3)精餾与紅外光譜法結合三种不同方法对210°以前的低級酚进行了各种异构体的成分分析，比較分析結果：三种方法对同一样品进行分析时，最大絕对誤差在2％以内，其中以气液色譜法最为快速，液液色譜法次之，精餾-紅外光譜法費时間較多；但后二种方法所得数据較完全。

In this paper, density and viscosity of coal tar oil and hydrogen solubility in coal tar oil is studied fairly systematically, and is carried on the fitting analysis with Excel software.

本文较为系统地研究了煤焦油的密度、粘度和氢气在煤焦油中的溶解度等基础物性，并用Excel软件进行了拟合分析。

Using a new patented technology to effectively solve the problems of gas purification; use of special bacteria and aerobic, anaerobic method of combining wastewater treatment tar to achieve gasification power generation system of tar waste water recycling

2采用新型专利技术，有效解决了燃气净化中的难题；采用特种菌种和好氧、厌氧相结合的方法处理焦油污水，实现气化发电系统中焦油污水循环利用

The wet grinding process suitable for coal tar pitch particles must be investigated to prepare the coal tar pitch water slurry as a new clean fuel.

为制备煤沥青水浆清洁燃料，必须研究适合于煤沥青颗粒的湿法磨矿工艺。

Some oil fields have a mat of heavy tar at the oil water contact. This mat is produced by the degradation of oil as bottom waters move beneath the oil-water contact.Tar mats cause considerable production problems by inhibiting water from displacing oil.

由于油水界面下面底水的流动造成了原油的降减作用，一些油田的油水界面处常形成一种重油垫，由于重油垫阻止了水对油的替换作用，因而造成了许多严重的生产问题。

Some oil fields have amat of heavy tar at the oil water contact.This mat is produced by the degradation of oil as bottom waters move beneath the oil-water contact.Tar mats cause considerable production problems by inhibiting water from displacing oil.

由于油水界面下面底水的流动造成了原油的降减作用，一些油田的油水界面处常形成一种重油垫，由于重油垫阻止了水对油的替换作用，因而造成了许多严重的生产问题。

Some oil fields have a mat of heavy tar at the oil water contact. This mat is produced by the degradation of oil as bottom waters move beneath the oil-water contact.Tar mats cause considerable production problems by inhibit ing water from displacing oil.

由于油水界面下面底水的流动造成了原油的降减作用，一些油田的油水界面处常形成一种重油垫，由于重油垫阻止了水对油的替换作用，因而造成了许多严重的生产问题。

Objective To study the effect of chitosan in the prevention of fibrous scar formation in the epidural space after laminectomy.

目的 观察选择性脊神经后根切除术椎板切除后硬膜外几种防瘢痕粘连物质的作用并探讨其机制。

On his way to the lift, he looked back to us or was it me his eyes pointing?

当他要进电梯时，他回头看我们（或者说是我，他的眼光？