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Glossary of environmental science print that page

physical factors of the environment (see also biotic ). absorption pit (soakaway) – a hole dug in permeable ground and filled with broken stones or granular material and usually covered with earth allowing collected water to soak into the ground. absorption - one substance taking in | 2011/4/6 1:23:03

Geosynthetic print that page


separation, reinforcement, filtration and/or drainage. According to ASTM, a GEOTEXTILE is “any permeable textile material used with foundation soil, rock, earth, or any other geotechnical engineering-related material, as an integral part of a man-made project, structure or system”. Geo

Building insulation materials print that page


Insulation may be categorized by its composition (material), by its form (structural or non-structural), or by its functional mode (conductive, radiative, convective). Non-structural forms include batts, blankets, loose-fill, spray foam, and panels. Structural forms include insulating concrete

LASIK print that page


The LASIK technique was first made possible by the Colombia -based Spanish ophthalmologist Jose Barraquer , who, around 1950 in his clinic in Bogotá , Colombia, developed the first microkeratome , and developed the technique used to cut thin flaps in the cornea and alter its shape, in a

Cornea print that page


The cornea is the transparent front part of the eye that covers the iris , pupil , and anterior chamber. Together with the lens , the cornea refracts light, with the cornea accounting for approximately two-thirds of the eye's total optical power . [ 1 ] [ 2 ] In humans, the refractive

Leachate print that page


Leachate is a widely used term in the Environmental sciences where it has the specific meaning of a liquid that has dissolved or entrained environmentally harmful substances which may then enter the environment. It is most commonly used in the context of land-filling of putrescible or industrial

Masonry print that page


Masonry units, such as brick, tile, stone, glass brick or concrete block generally conform to the requirements specified in the 2003 International Building Code ( IBC ) Section 2103. Contents 1 Applications 1.1 Advantages 1.2 Disadvantages 1.3 Structural limitations 2 Veneer

Contact lens print that page


A contact lens (also known simply as contacts for a pair) is a corrective , cosmetic , or therapeutic lens usually placed on the cornea of the eye . Leonardo da Vinci is credited with describing and sketching the first ideas for contact lenses in 1508, but it was more than 300 years later

Landslide mitigation print that page


Landslide mitigation refers to lessen the effect of landslides by constructing various man made projects at the slopes which are vulnerable to landslides planning for landslides hazard mitigation as its phenomenon is instant. Landslides can be triggered by many often concomitant causes. In

Duct (HVAC) print that page


A duct system is often called ductwork . Planning ('laying out'), sizing, optimizing, detailing, and finding the pressure losses through a duct system is called duct design . [ 2 ] Contents 1 Materials 1.1 Polyurethane and Phenolic insulation panels (pre-insulated air ducts) 1