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back pressure porosity băk pre˘sh′er pa-ro˘s′i˘-tē: porosity produced in dental castings thought to be due to the inability of gases in the mold to escape ...
Free of charge: Ukrainian Exporters Database offers free access. Search guide: Search data by industry sector or/and keyword. Feedback: If you did not find specific ...
Soil is a mixture of minerals, organic matter, gases, liquids, and countless organisms that together support life on Earth. Soil is a natural body called the ...
TRAINS NTMs, the global non-tariff measures database, provides comprehensive and systematic information on a broad range of policy instruments that can have an effect ...
The K 2 O content was also varied to accommodate the need to match the coefficient of thermal expansion for metal alloys used in dental metal-ceramic techniques.
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First draft prepared by Dr Zoltán Adamis, József Fodor National Center for Public Health, National Institute of Chemical Safety, Budapest, Hungary; and Dr Richard B ...
Soil mechanics is a branch of soil physics and applied mechanics that describes the behavior of soils. It differs from fluid mechanics and solid mechanics in the ...
Chapter 74 - Mining and Quarrying MINING: AN OVERVIEW. Norman S. Jennings. Minerals and mineral products are the backbone of most industries. Some form of mining .
Afghanistan: Land of the Afghans [Arachosia / Khorasan / British South Asia / Southern Turkestan] Slavery48,000 BC: Farming Communities found by Smithsonian
Gemstone and Jewelry Glossary. From abalone to zircon, learn about gemstone and jewelry terms in our extensive photographic glossary. Simply select the first letter ...
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