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Two coordination polymers [Pb6(H2O)24]·3H2O(1)(H3cit=citric acid)and Pb(H2O)2(2)(tar=tartaric acid)were synthesized under hydrothermal conditions and characterized via IR,TG-DTA,C,H,N elemental analysis,XRD and single crystal X-ray diffraction analysis.

在水热条件下，合成了2个含柔性配体柠檬酸和酒石酸的二价铅配位聚合物[Pb6(H2O)24]。3H2O(1)(H3cit=citricacid)及Pb(H2O)2(2)(tar=tartaricacid)。用红外光谱、差热-热重、元素分析、粉末X射线衍射及单晶X射线衍射等手段对化合物进行了表征。化合物1属三斜晶系，P1空间群，a=0.97053(19)nm，b=0.9764(2)nm，c=1.0955(2)nm，α=109.016(3)°，β=98.380(3)°，γ=92.136(3)°，V=0.9671(3)nm3，Z=2，R1=0.0420，wR2=0.1049，GOF=1.064。

Jinan Iron and Steel Group Corporation, Jinan 250101,China） Abstract : In order to obtain better disposition of acid tar, the experimental plan of blending and coking is applied.

酸焦油聚合物配煤炼焦试验研究齐婳，陈昌华，李德瑾，胡新亮，纪同森

He could sit there, cool and at his ease under the warm May sun, and find the gall to mourn his own good luck while less than ten feet away a bunch of men were working and sweating and burning their hands on great big buckets filled with bubbling tar, men who had to work so hard in their ordinary round of days that this looked like a respite.

他只是悠闲地坐在五月温暖的阳光下，对自己的好运唉声叹气。在离他不到10英尺远的这群挥汗如雨辛苦工作着的人，却要忍受着桶里滚烫沥青对他们双手的灼烧，即使在这些被看作是渡假的日子里也要如此卖命地劳作。

Metal surface heat treatment, electroplating, spray before the cleansing, extraction, transportation, refining, and oil pipelines, storage tanks, tankers, etc. grease, wax scale, coal tar, asphalt, such as cleaning.

金属表面热处理，电镀，喷漆前清洗，采油，输油，炼油，及油井输油管，储油罐，槽车等的油垢，腊垢，煤焦油，沥青等清洗。

The pavement on the road is covered with black tar.

这条能马路的人行道上铺的是黑色的柏油。

Now, it is the dirt road into a tar road, there is a pedestrian bridge.

现在，人们把土路变成了柏油大路，还有了人行天桥。

Through the analysis of the cause of early illness of road surfaced with tar and concret.

下面就以上几种常见病害的形成原因进行简单分析并结合实际提出一些相应的预防措施。

At the first international Road Congress in Paris in 1908,"The Road of the Future" and of course, the new road construction materials, tar, its competitors and bitumen were discussed as well as these materials' significance for the future of road construction technology.

在第一届国际公路国会于1908年在巴黎&之路的未来&，当然，新的公路建设材料，焦油，其竞争对手和沥青进行了讨论，以及这些材料的意义，未来的公路建设技术。

The colorful lights dotted on the wet and cold surface of the tar road.

我们就在骑楼下躲雨，看绿色的邮筒孤独地站在街的对面。

The road was covered with tar.

道路被柏油覆盖着。

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。