In order to approach the world level of shipbuilding,science within twelve years,it is necessary to survey the recent development in shipbuilding research of some leading maritime countries.This paper starts with stating the achievments of shipbuilding research work in this himdred years and steps taken by some leading countries for further development after the World War Ⅱ.Then it goes on to discuss the main achievments in the field of ship hydrodynamics and ship strength in recent years,and these ar...
About twenty years ago, one of the present authors (Hsing) described an investigation of the alkaloids of the Chinese drug, Han-fang-chi from which an alkaloid was obtained and proved to be identical with tetrandrine obtained from Stephania tetrandra S. Moore by Kondo. Besides, a second phenolic base was obtained and named as fangchinoline which contains 1C and 2H atoms less than tetrandrine. It was proved to be a demethyltetrandrine.In order to locate the position of the phenolic group of fangchinoline, th...
Wir untersuchten die kapillare Dichtigkeit an 6 Aeren der Grosshirnrinde.Die Materialien bestanden aus 6 Gehirnen von Kindern im Alter von 1—2 und 5 Jahren und 2 Gehirnen von Hunden. Diesen 8 Gehirnen injezierten wir Gelatinetusche,bzw.25% Argyrol. 1 Die Kapillaren der Grosshirnrinde und des -markes bildeten zusammen ein dichtes,mitein- ander verbundenes Netz.Die Netzmaschen in der Grosshirnrinde waren enger als diejenigen des Grosshirnmarkes. 2 Die kapillare Dichtigkeit in der Grosshirnrinde war$$...