نتائج البحث

[[ms:Air kencing]] [[simple:Urine]]

[[en:Air]] [[simple:Air]]

:<math>c_{\mathrm{air}} = 331.3 \mathrm{m \cdot s^{-1}} \sqrt{1+\frac{\vartheta}{273.15^{\circ}\m c_{\mathrm{air}} = (331{.}3 + (0{.}606^{\circ}\mathrm{C}^{-1} \cdot \vartheta)) \ \mathrm{

[[ملف:C12 air ambulance.jpg|thumb|طائرة [[مروحية|هليوكوبتر]] مخصص [[simple:Ambulance]]

* L/d ratio A simple parameter used to aid in sizing granular media .lters based on the bed dept * Lanpac® Packing media for air stripping towers by Lantec Products, Inc.

* background concentration The general level of air pollutants in a region with all local sources of pollution ignored. * baghouse An air emissions control device that uses a fabric or glass .ber .lter to remove a

* packed bed scrubber An air pollution control device in which emissions pass through alkaline water to * PAPR Powered air-purifying respirator.

...web|url=http://www.ametsoc.org/sloan/cleanair/|title=History of the Clean Air Act|accessdate=2006-02-14|author=James R. Fleming|coauthors=Bethany R. Knor ...بير بعض من أول التشريعات البيئية الحديثة، [[قانون الهواء النظيف]] ([[Clean Air Act]]) لعام 1956.

[[Image:Simple photosynthesis overview.svg|thumb|التمثيل الضوئي يفصم ال | title = An Account of Further Discoveries in Air