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This research shall be obtain that ocean-sand motor shall have more compressive strength early, but later strength shall descend, by means of non-standard sand mixing sample is quite obvious. By means of 50% ocean-sand substitutes for river-sand to mix fine aggregate compressive strength early shall be risen 20%~30%; Adds slag to ocean-sand or a half of river-sand and ocean-sand to make motor test sample, Compressive strength、bending strength and tensile strength shall be according to slag additament, by means of. slag add itament substitutes for cement 40%~60% is most. But slag be able to substitute for cement is too enough, 1ater strength shall be descent.

由本研究可得知海砂拌和的水泥砂浆，其早期抗压强度较高，而晚期强度则有下降的趋势，其中以非标准砂拌和效果最为明显；若以50%海砂替代河砂做为拌和细骨材，其早期抗压强度约上升20%~30%；添加炉石於海砂或河砂、海砂各半的水泥砂浆，其抗压、抗弯及抗拉强度，会随著炉石添加量增加而增加，其中以40%~60%炉石替代量为最佳，但是炉石替代量过高，晚期强度会下降；在相同水灰比状况下以海砂拌和水泥砂浆做比较，以非标准砂拌和有较高的抗压强度，其强度约比标准砂高10%左右。

January 01, 2009 Sailboats, Turag River, Bangladesh Photograph by Dick Durrance II Graceful as butterflies, boats glide past rice fields on the meandering Turag River near Dacca, Bangladesh.

帆船，Turag河，孟加拉国在孟加拉国的达卡周边，蝴蝶般美丽的帆船从蜿蜒的Turag河河边的稻田旁经过。

Characteristics of 6 transformation models of 3 fluvial types and their genesis are discussed according to actual examples.

依据具体实例讨论了3类河型的6种转化模式的特点及其成因，分析了对应于各演化模式的古河型可能的空间分布特征。

A section of scholars claim that this was a major river during the third and fourth millennia BCE, and propose that it may have been the Sarasvati River of the Rig Veda.

一部分的学者声称这是公元前三千年到四千年期间的一条主要流河，还假设这也许是《梨俱吠陀》中的萨拉斯瓦帝河。

The Ohio river has been called the American Ruhr,As in Germany, the area along the

俄亥俄河被称作美国的鲁尔河，就像德国一样，沿河有丰富的高品千周的焦煤，并且因其

Located in the connecting Argentina, Brazil and Uruguay river system the source of the Paraguay River Pilcomayo River and the confluence of the dense trees on the headland.

地处连接阿根廷、巴西和乌拉圭大河系的源头，在皮科马约河与巴拉圭河汇合处的树木茂密的岬角上。

Eastwards of Palestine was precarious, and the Persian Empire too big to pick a fight with – unless one took all one's legions to the Euphrates and Oxus, like Alexander. The Romans were smarter than that.

巴勒斯坦以东的形势靠不住，而波斯帝国太过庞大，不适合对它发动战争，除非像亚历山大那样，把手下所有的军团统统派到幼发拉底河和阿姆河流域，但聪明的罗马人不至于那么做。

The Chinese have diverted part of the Irtysh river, which feeds Russia's Ob river and ends up in the Arctic, to a canal supplying the booming oil town of Karamai.

中国改变了额尔齐斯河（由南至北流经俄罗斯的鄂毕湾河，并最终汇入北极）的部分流向以便开凿出一条补给新兴石油城市克拉玛依的运河。

Topography from the north-east southwest tilt, Irtysh, and the middle ulungur 70-100 m above sea level, Buluntuohai lake elevation of 468 meters, central west of the Manas lake 257 meters, 189 meters southwest of the Ebinur It is the lowest point in this area.

地势由东北向西南倾斜，额尔齐斯河和乌伦古河中游海拔70—100米，布伦托海湖面海拔468米，中部偏西的玛纳斯湖257米，西南部的艾比湖189米，是本区的最低点。

During the twelfth century, the North East from the Chinese Altai Mountains west, south to the north of Yinshan arrived in Lake Baikal, Yenisey River, along the Irtysh River on the vast prairie, the distribution of a large number of nomadic tribes.

谁能帮我翻译文章？翻译成英文简议铁木真能够条件统一蒙古的几个基本摘要十二世纪时期，中国北方东起兴安岭西至阿尔泰山，南到阴山北抵贝加尔湖、叶尼塞河、额尔齐斯河一带广袤的大草原上，分布着众多的游牧部落。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。