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Pine tar is an effective antiseptic and disinfectant when applied to cuts on the skin, but Berkeley argued for the use of pine tar as a broad panacea for disease in general.

松焦油是一种有效地防腐剂和用于皮肤伤口的消毒剂，但是贝克莱认为松焦油可被普遍用于治病的万能药。

Coal tar pitch and petroleum pitch were prepared from petroleum residues and coal tar by air blowing respectively.

分别以煤焦油为原料在300℃空气氧化120min～480min和以石油渣油为原料在220℃空气氧化300 min～720 min，制备了一系列具有相近软化点的煤焦油沥青和石油沥青。

Coal tar pitch and petroleum pitch were prepared from petroleum residues and coal tar by thermal reactions respectively.

分别以煤焦油为原料，在430℃热缩聚50min～270min和以石油渣油为原料在 310℃热缩聚130 min～370 min，制备了一系列具有相近软化点的煤焦油沥青和石油沥青。

Coal tar and coal tar pitch are usually thick, black, or dark-brown liquids or semisolids with a smoky odor.

煤焦油和煤焦油沥青通常厚，黑色或深褐色的液体或semisolids了黑烟和90.4%。

They would make turpentine from tar and get the black, sticky tar on the heels of their feet.

他们用焦油制造松节油，这样他们的脚上就会沾上黑色黏稠的焦油。

If so, then deeply inhaled smoke from low-tar-delivery cigarettes might be more harmful than uninhaled smoke from high-tar cigarettes.

假如这样的话，狂抽低焦油香烟可能比不抽高焦油香烟，对人体健康损害更大。

If so, then deeply inhaled smoke from low-tar-delivery cigarettes might be more harmful than uninhaled smoke from high-tar cigarettes.

若果真如此，从低焦油卷烟中深深吸入的烟对人的危害可能比高焦油卷烟中未被吸入的烟更大。

If so, then deeply inhaled smoke from low-tar-delivery cigarettes might be more harmful than uninhaled smoke from high-tar cigarettes.

不管事实真相是怎样的，具有讽刺意味的是，低焦油卷烟竟然比高焦油卷烟可能更有损于健康。

If so, then deeply inhaled smoke from low-tar-delivery cigarettes might be more harmful than uninhaled smoke from high-tar cigarettes.

并且言称其公司的科学家们已加入某评估委员会，正在研究制定新的 ISO 标准。

If so, then deeply inhaled smoke from low-tar-delivery cigarettes might be more harmful than uninhaled smoke from high-tar cigarettes.

注释： [1]Waterloo：在比利时中部靠近布鲁塞尔的城镇，为拿破仑 1815 年 6 月 18 日遭到决定性失败的&滑铁卢&；而在加拿大安达略省东南部和美国衣阿华州东北部各有一座城市，一般译名为&沃特鲁&，以示区分。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。