frost penetration depth
1frost line — noun : the depth to which frost penetrates the soil * * * frost line noun The underground limit to the penetration of frost into the earth • • • Main Entry: ↑frost * * * n. [in sing.] the maximum depth of ground below which the soil does not… …
2Microwave oven — A modern microwave oven …
3Road surface — A road in the process of being resurfaced Road surface (British English) or pavement (American English) is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or walkway. In the past… …
4Thomas Eakins — Self portrait, National Academy of Design, New York. In 1894 the artist wrote: My honors are misunderstanding, persecution neglect, enhanced because unsought. [1] …
5Rastra — is an insulating concrete form (IFC) used to make walls for buildings. It is composed of concrete and thastyron. Thastyron is a mixture of plastic foam and binder that is composed of eighty five percent recycled post consumer polystyrene waste… …
6Geotechnical engineering — [ Boston s Big Dig presented geotechnical challenges in an urban environment.] Geotechnical engineering is the branch of civil engineering concerned with the engineering behavior of earth materials. Geotechnical engineering includes investigating …
7climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
8permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …
9agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
10harbours and sea works — Introduction harbour also spelled harbor any part of a body of water and the manmade structures surrounding it that sufficiently shelters a vessel from wind, waves, and currents, enabling safe anchorage or the discharge and loading of… …
