18

A simple sol–gel technique for preparing hydroxyapatite nanopowders

Year:
2005
Language:
english
File:
PDF, 217 KB
english, 2005
25

Geometry design of trapezoidal threaded variable pitch lead screws

Year:
1992
Language:
english
File:
PDF, 829 KB
english, 1992
30

A High-Energy Room-Temperature Sodium-Sulfur Battery

Year:
2014
Language:
english
File:
PDF, 988 KB
english, 2014
31

Failure Analysis of GCr15 Steel Balls in Ball Screw Pair

Year:
2014
Language:
english
File:
PDF, 1.61 MB
english, 2014
44

Malignant thymoma

Year:
1992
Language:
english
File:
PDF, 707 KB
english, 1992