In the process of using high strength steel to produce spirally welded pipe, the yield strength is reduced due to Bauschinger's effect.
The spirally threaded shaft of a worm gear.
The spirally finned tube Banks are widely used in general boilers and HRSG because of a series of advantages.
A unisexual reproductive structure of gymnospermous plants such as conifers and cycads, typically consisting of a central axis around which there are scaly, overlapping, spirally arranged sporophylls that develop pollen - bearing sacs or naked ovules or seeds.
Any of numerous aquatic or terrestrial mollusks of the class Gastropoda, typically having a spirally coiled shell, broad retractile foot, and distinct head.
The forming principle and forming Angle of spirally-welded tube processing were introduced.
genus of Old World perennial herbs with spirally arranged toothed leaves.
A cracking failure analysis of the spirally welded tubes of the homemade low carbon steel was made.
The staminate flower is subtended by two leaf-like bracts. 150–200 stamens spirally arranged along the spike axis and the phyllome are located at the base of the spike axis.
A large, wild Himalayan goat(Capra falconeri) having a reddish-brown coat, spirally curved horns, and a long mane in the male.
國文精選館
