By means of the characteristic analysis on geometry, kinematics and dynamics of the crenulation cleavage in Dalangshan area, this paper reveals that the crenulation cleavage is the basis of the formation and development of three large scale NW -trend brittle -- ductile shear zones from indosinian epoch to Yanshanian ePOch.

Geological characteristics of Wengeng thrust fault in Langshan area of western Inner Mongolia

Houshan area of Langshan Mountains, Inner Mongolia, was a convergent tension basin.

There apparently exist extensional deformation and layer parallel plane in Langshan group in the earliest stage.

The paper compared Langshan chicken(Nantong Colony) fattening of same energy level and different protein level of 18%,16.

Langshan chicken in Nantong city is a world-famous breed.

The "stemma equimultiple random select cross method"(experiment group) and "random mating method(ck)" were used to propagate offspring population of Langshan chicken.

Initial Study on the Lethal Equivalent of New Langshan Chicken;

The host succession, Langshan Group, of the Dongshengmiao deposit has been studied for many years.

Langshan group,west Inner Mongolia, was successively subjected to strongly extentional,compressional and shear deformation at different structural levels, According to detailed structural analysis and regional correlation,Langshan group could be stratigraphicaly divided into three formations which is correspond to Shujigou, Zenglongchang and Agulogou of Zhaertai group respectively.

1、Through measuring the Geological section in this area, which shows that the strata comes mainly from Mesoproterozoic Langshan group, which can be divided into three formations from bottom to upper: the first formation, the second formation and the third formation.