THE FUNDAMENTAL CAUSE OF EVOLUTION OF THE EARTH''S SURFACE FEATURES

In the days when the uniformitarians triumphantly fought against the catastrophists, it was apparently thought by the leaders of the rising school that the ebb and flow of the oceanic water had been going on indefinitely all over the surface of our planet for an untold length of time. Beyond this, little was then     

Pleistocene Morainic and Non-Morainic Deposits in the Taqlaq Area,North of Aqsu,Sinkiang

正 With 5 Plates. INTRODUCTION In April 1943, while exploring the foothills of the southern Tienshan near the prosperous oasis of Aqsu-Wensu, I have repeatedly come across a series of well-preserved morainic deposits along the valley of the Terang Darya.     

国产37mm口径高炮自动机复进不到位时如何退弹

目前，国产37mm口径高炮（以下简称三七高炮）仍然是我国人工影响天气作业与服务中的主要装备一在实施人工影响天气作业时，三七高炮连续射击中有时会出现复进不到位的故障。     

四川省煤田地质局一三七队

<正>四川省煤田地质局一三七队(四川煤田地质一三七总公司)创建于1962年3月,地处川、渝、鄂、陕四省市结合部的达州市.为省直属(县处级)地勘事业单位。现有职工1200多人,高、中、初各级专业技术人员700余人,总资产数亿元,各类设备、仪器千余台(套)。具有国家、省部级颁发的固体、液体、气体矿产勘查、水工环地质调查、地灾害治理、环评、测绘等13个甲级资质证书。获ISO9001:2008国际质量体系、GB/T28001-2001职业健康安全管理体系及GB/T24001-2004/ISO14001:2004环境管理