etching

etchings of animals and wildflowers.

a beautiful etching of a bird

Goya's etchings describe the horrors of war in grotesque detail.

This paper describes a new crosshatching technology on PI flexible substrate, using chemically etching method.

Finally, a mechanism of AC etching for aluminum foil in HCl and a theoretical rule for choosing electroetching conditions were suggested on the results.

The composition and characteristic of liquid photo imageable etching resist ink is introduced briefly, and the perfect blueprint is also described in this paper.

Because the distribution of molecular director was not affected by lamellar decorating after quench, chemical etching and SEM technique were used to reveal disclination and director patterns.

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing 〔magnaflux particles, ultrasonic etc）.

Using the etching needle, litho crayon, various aquatint solutions, or greasy tusche washes on copperplates or lithostones, artist such as John Cage, E.