| technology |
Technology (Gr. τεχνολογια < τεχνη "craftsmanship" + λογος "word, reckoning" + the suffix ια) has more than one definition. One is the development and application of tools, machines, materials and processes that help to solve human problems. As a human activity, technology predates both science and engineering. ...
출처: en.wikipedia.org/wiki/Technology
|
|---|---|
| technetium |
Technetium is a chemical element that has the symbol Tc and the atomic number 43. Pronounced tek-nee-see-um, the chemical properties of this silvery grey, radioactive, crystalline transition metal are intermediate between rhenium and manganese. Its short-lived isotope Tc-99m is used in nuclear medicine for a wide variety of diagnostic tests. ...
출처: en.wikipedia.org/wiki/Technetium
|
| technician |
Although technology includes psychological and sociological as well as a technical knowledge, a technician is generally someone in a field who has a relatively shallow understanding of the general technical principles compared to experts, but usually more than the average layperson. This middle grade of understanding of theory is generally mastered to allow the technician to become an expert in a specific tool and thus part of a larger process or production. ...
출처: en.wikipedia.org/wiki/Technician
|
| technetium Tc 99m sulfur colloid |
A radiolabeled substance that is used to help identify sites of tumor development.
출처: www.stjude.org/glossary
|
| technology |
The techniques used to produce artifacts.
출처: www.modernhumanorigins.com/t.html
|