permeability of soil
91Piner Creek — Geobox|River name = Piner Creek native name = other name = category = stream etymology = nickname = image caption = Piner Creek immediately above the confluence with Santa Rosa Creek. country = United States state = California region = Sonoma… …
92ion-exchange reaction — ▪ chemical reaction Introduction any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …
93Mechanically stabilized earth — A diagram of a mechanically stabilized earth wall as it would be modeled in a finite element analysis. Mechanically stabilized earth or MSE is soil constructed with artificial reinforcing. It can be used for retaining walls, bridge abutments,… …
94Well drainage — means drainage of agricultural lands by wells. Agricultural land is drained by pumped wells (vertical drainage) to improve the soils by controlling water table levels and soil salinity. Contents 1 Introduction 2 Design 3 Flow to wells 4 …
95Heavy equipment (construction) — Heavy machinery redirects here. For the album by Anders Johansson, Jens Johansson and Allan Holdsworth, see Heavy Machinery (album). Heavy equipment vehicles of various types parking near a highway construction site …
96Hydrometer — Not to be confused with Hygrometer. Hydrometer from Practical Physics Schematic drawing of a hydrometer. The lower the densi …
97Pore water pressure — refers to the pressure of groundwater held within a soil or rock, in gaps between particles (pores). For example, in a high permeability soil, the pressure would be close to hydrostatic in no flow conditions. It is also referred to as tensiometer …
98Dynamic load testing — of piles is a fast and effective method of assessing foundation bearing capacity that requires instrumenting a deep foundation with accelerometers and strain transducers and analyzing data collected by these sensors. The procedure is based on the …
99Electromagnetism — Electricity · …
100Ciclosporin — Cyclosporin redirects here. For other types of cyclosporin, see Cyclosporins. Ciclosporin Systematic ( …
