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| Terms for subject Environment (6187 entries) |
| radon | radon (A radioactive gaseous element emitted naturally from rocks and minerals where radioactive elements are present. It is released in non-coal mines, e.g. tin, iron, fluorspar, uranium. Radon is an alpha particle emitter as are its decay products and has been indicted as a cause of excessive occurrence of lung cancer in uranium miners. Concern has been expressed at radon levels in some housing usually adjacent to granite rocks or old tin mining regions) | |
| ragadozó | predator (Animal which kills and eats other animals) | |
| ragadozó madár | bird of prey (Any of various carnivorous bird of the orders Falconiformes and Strigiformes which feed on meat taken by hunting) | |
| ragasztó | glue (A crude, impure, amber-colored form of commercial gelatin of unknown detailed composition produced by the hydrolysis of animal collagen; gelatinizes in aqueous solutions and dries to form a strong, adhesive layer) | |
| ragasztóanyag | adhesive (Substance used for sticking objects together, such as glue, cement, or paste) | |
| rágcsáló | rodent (Any of the relatively small placental mammals that constitute the order Rodentia, having constantly growing incisor teeth specialized for gnawing) | |
| rák | cancer (Any malignant cellular tumour including carcinoma and sarcoma. It encompasses a group of neoplastic diseases in which there is a transformation of normal body cells into malignant ones, probably involving some change in the genetic material of the cells, possibly as a result of faulty repair of damage to the cell caused by carcinogenic agents or ionizing radiation) | |
| rák kockázata | cancer risk (The probability that exposure to some agent or substance will adversely transform cells to replicate and form a malignant tumor) | |
| rakás | stack (The portion of a chimney rising above the roof) | |
| rákkeltő hatás vizsgálata | carcinogenicity test (Test for assessing if a chemical or physical agent increases the risk of cancer. The three major ways of testing for carcinogens are animals tests, epidemiological studies and bacterial tests) | |
| raszter vektorrá | raster to vector (Methods to convert remotely sensed raster data to vector format. A number of raster-to-vector and vector-to-raster conversion procedures have been developed and introduced to current releases of many GIS packages) | |
| raszter/képmező | raster (One of the two major types of internal data organization used in GIS. Raster systems superimpose a regular grid over the area of interest and associate each cell-or pixel, to use the image term- with one or more data records. The values associated with each grid cell may represent either real values or any scalar or nominal data values associated with the cell coordinates. Among the strengths of the raster method is its ability to accept data directly from remote sensing systems and to represent transitional information. Raster systems tend to be relatively storage-intensive and this imposes practical limits on the area of coverage, the resolution, or both of these. Capacity constraints are, however, becoming less significant as computer memory and storage become more powerful and as data compression techniques become more readily available) | |
| reakciókinetika | reaction kinetics (That branch of physical chemistry concerned with the mechanisms and rates of chemical reactions) | |
| reaktorbiztonság | reactor safety (Those studies and activities that seek to minimise the risk of a nuclear reactor accident) | |
| REDD+ | REDD+ | |
| REDD+ | REDD-Plus | |
| redox | oxidation-reduction (An oxidizing chemical change, where an element's positive valence is increased (electron loss), accompanied by a simultaneous reduction of an associated element (electron gain)) | |
| referenciaszám | reference number | |
| regeneráció | regeneration (The renewing or reuse of materials such as activated carbon, single ion exchange resins, and filter beds by appropriate means to remove organics, metals, solids, etc.) | |
| regeneráció | recovery |