- time of its use,
self-
hardening steel and air-
hardening steel, is
considered to be both the
first tool
steel and the
first air-
hardening steel. It was invented...
- into the surface.
Different depths of
hardening are
desirable for
different purposes:
sharp tools need deep
hardening to
allow grinding and resharpening...
- the
Bessemer works in 1856, and used as much as 2-5 per cent in his
self-
hardening tool steel.
Alexandre Pourcel, of the
French Terre-Noire Cie., was able...
-
Radiation hardening is the
process of
making electronic components and
circuits resistant to
damage or
malfunction caused by high
levels of
ionizing radiation...
- Karn said, "There was a
definite change in
style when I
stopped using self-
hardening clay in the mid '80s and
began sculpting with more
conventional clay...
-
self-proclaimed Prin****lity of Trinidad,
claiming title over the
uninhabited island of
Trindade in the
South Atlantic Ocean.
James Aloysius Harden was...
- materials. The cold-work tool
steels include the O
series (oil-
hardening), the A
series (air-
hardening), and the D
series (high carbon-chromium).
These are steels...
-
Katherine (October 23, 2017). "A new polyurethane-based
material could mean
self-
hardening,
almost impenetrable helmets".
Defense Systems.
Retrieved August 30...
- the JSDF
comprises the ****an
Ground Self-Defense Force, the ****an
Maritime Self-Defense Force, and the ****an Air
Self-Defense Force. They are controlled...
-
theory and
computer science literature are "
self-replicating programs", "
self-reproducing programs", and "
self-copying programs". A
quine is a
fixed point...
