侧扫声纳探测的若干问题     

庄杰枣  王绍智  郑铁民  栾锡武  官晨钟 《海洋测绘》1996,(4)

根据侧扫声纳换能器的波柬分布特点,论述侧扫声纳拖鱼离海底高度与扫描范围之间的关系,从而掌握了一个简单易行的计算公式;高频与中频侧扫声纳的波束分布特征不同,导致横向分辨率的差异。文中还介绍精确确定拖鱼位置的方法和根据阴影计算海底物体高度的方法。  相似文献   

厦门港球型侧腕水母Pleurobrachia globasa摄食的初步研究   总被引：2，自引：0，他引：2  

郑慧苑  丘书院 《台湾海峡》1990,9(3):200-205

  相似文献   

THE TA YEH IRON DEPOSIT     

王恒升 《地质学报》1926,5(2):161-171

Ⅰ. INTRODUCTION. Among the famous contact iron deposits in China, we should perhaps count first the one occurring at Ta Yeh. Hsien, southeastern Hupei. The historic record on this deposit dated back to the end of Han-dynasty~1 (about  相似文献   

Proceedings of the First General Meeting     

《地质学报》1922,1(Z1):2-4

The first general meeting of the Geological Society of China was heldon the evening of March 2,1922 in the lecture hall of the Library Buildingof the Geological Survey in Peking in the presence of distinguished foreign  相似文献   

Foraminifera from the Donetz Basin and Their Stratigraphical Significance     

J.S.LEE 《地质学报》1937,(Z1)

The material dealt with in the present paper was collected by thelate Dr. V. K. Ting in 1933 with the specific object of determining theboundaries of the Carboniferous and Permian developments in Russiaand their stratigraphical relation to the Huanglung, Chuanshan and  相似文献   

A TENTATIVE ESTIMATE OF THE AGE OF THE GRABEN FAULT IN CENTRAL SHENSI AND SHANSI     

馮景蘭 《地质学报》1934,13(1)

INTRODUCTION One of the major structural features in north China is the great fault system in central Shensi and Shansi known as the Weiho (渭河) Graben and Fenho (汾河) Craben respectively (Fig. 1). Dr. Bailey Willis seems to  相似文献   

On the Occurrence of Pre-Sinian Volcanic Series and Related Intrusive Rocks in the Vicinity of Fulin,Sikang     

C. J. PENG  H. CHU 《地质学报》1944,(Z1):76-97

正 Ⅰ. INTRODUCTION During the geological reconnaissance in E Sikang in 1941-1942 the writers observed an old acid volcanic series, together with related intrusive rocks, in the southeastern part of the province, mainly in the valley of the Tatuho (Tungho)~1. In 1930, the extrusive rocks of this valley between Tsutati (Anshunchang)~2 and Chinkouho~3  相似文献   

A Lower Carboniferous Blastoid from the Tushan District,Kueichou   总被引：1，自引：0，他引：1  

Y. S. CHI Geological Survey of China 《地质学报》1943,(Z2):111-113,115

正 During our geological reconnaissance of the south-eastern part of Kueichou in January 1941, Mr. S. C. Huo' and I collected two specimens of a Blastoid.  相似文献   

On Two New Saurischians From Lufeng,Yunnan     

CHUNG-CHIEN YOUNG 《地质学报》1948,(Z1):83-104

正 The so far described Saurischians,Lufengosaurus huenei,L.magnus,Yunnanosaurus huangi and Gyposaurus sinenensis~1 from die Red Beds ofLufeng,Yunnan,belong all to the sub-order Prosauropoda.In die present  相似文献   

超长大直径钻孔灌注桩荷载传递机理研究     

孙亚哲  高倚山  王沪生 《上海国土资源》2007,(1):58-62

通过对某大型地下工程桩静载荷试验实测资料的分析,研究了超长大直径钻孔灌注桩荷载传递机理。  相似文献