permeability of soil
41Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… …
42Cross-boundary subsidy — Alaskan boreal forest in Yukon National Wildlife Refuge Cross boundary subsidies are caused by organisms or materials that cross or traverse habitat patch boundaries, subsidizing the resident populations. The transferred organisms and materials… …
43Metamaterial cloaking — Electromagnetism Electricity · …
44Marcellus Formation — Stratigraphic range: Middle Devonian …
45William Glanville — Infobox Engineer image width = caption = name = William Glanville nationality = British birth date = 1 February 1900 birth place = Willesdon, Middlesex death date = Death date and age|1976|06|30|1900|02|01 death place = Northwood, Middlesex… …
46cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
47Maxwell's equations — For thermodynamic relations, see Maxwell relations. Electromagnetism …
48Hydrograph — There are two meanings for hydrographs both coming from hydro meaning water, and graph meaning chart. A hydrograph plots the discharge of a river as a function of time. This activity can be in response to episodal event such as a… …
49Chemical biology — is a scientific discipline spanning the fields of chemistry and biology that involves the application of chemical techniques and tools, often compounds produced through synthetic chemistry, to the study and manipulation of biological systems.… …
50Terzaghi's Principle — Karl von Terzaghi s Principle, also known as Terzaghi s theory of one dimensional consolidation, states that all quantifiable changes in stress to a soil [compression, deformation, shear resistance] are a direct result of a change in effective… …
