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- *QB468-480 Non-optical methods of astronomy *QC170-197 Atomic physics. Constitution and properties of matter4 كيلوبايت (520 كلمة) - 18:14، 17 أغسطس 2011
- * O2 Minimizer® Process controller used to control oxygenation of mixed liquor by Schreiber Corp. * obligate aerobes Bacteria that can survive only in the presence of dissolved oxygen.21 كيلوبايت (2٬733 كلمة) - 10:30، 22 أكتوبر 2011
- [[ملف:Edge of Space of souag.png|تصغير|يسار|100بك| طبقات الغلاف الجوي]] [[en:Atmosphere of Earth]]14 كيلوبايت (225 كلمة) - 17:22، 13 نوفمبر 2010
- * earthen dam A dam made primarily of soil, sand, silt, and clay. * earthen reservoir A reservoir constructed in earth using excavated materials to form embankments.39 كيلوبايت (4٬803 كلمات) - 10:15، 22 أكتوبر 2011
- | journal=Journal of Geophysical | title=Practical Handbook of Photovoltaics: Fundamentals and Applications18 كيلوبايت (782 كلمة) - 22:00، 12 نوفمبر 2010
- ...India.jpg|96px]] || [[Image:Christaller model 1.jpg|96px]] || [[Image:Star of life.svg|96px]] ...ermore, as human relationship with the environment has changed as a result of [[globalization]] and [[technological change]] a new approach was needed to42 كيلوبايت (1٬551 كلمة) - 22:47، 6 سبتمبر 2013
- * ICBN International Commission on the Biological Effects of Noise. * ICE (1) Institute of Civil Engineers. (2) Internal combustion engine.25 كيلوبايت (3٬229 كلمة) - 10:24، 22 أكتوبر 2011
- 4 كيلوبايت (198 كلمة) - 09:09، 21 أغسطس 2012
- * tailings Residue from the separation of useful values from ore. * tailwater The runoff of irrigation water from the lower end of an irrigated .eld.40 كيلوبايت (4٬963 كلمة) - 10:39، 22 أكتوبر 2011
- [[Image:Ozone-montage.png|thumb||left|upleft|100px|Ozone is a rare gas on Earth found mostly in the [[stratosphere]].]] ...ng candle.PNG|thumb|upright|تجربة فيلو ألهمت الباحثين اللاحقين|alt=Drawing of a burning candle enclosed in a glass bulb.]]31 كيلوبايت (2٬623 كلمة) - 15:43، 13 نوفمبر 2010
- ...in sizing granular media .lters based on the bed depth and effective size of media. * laid length The total length of a pipe or pipeline after it has been placed in position.23 كيلوبايت (3٬224 كلمة) - 10:27، 22 أكتوبر 2011
- ...le (D/DBPR) Proposed U.S. EPA rule to limit the maximum contaminant level of trihalomethanes. ...-threshold level of a water sample which indicates the number of dilutions of clean, odor-free air necessary to reduce an odor to a level that most peopl45 كيلوبايت (6٬060 كلمة) - 10:13، 22 أكتوبر 2011
- * F wastes A class of hazardous wastes categorized from nonspeci.c sources as established by the * face velocity The linear velocity of air through a .lter.43 كيلوبايت (5٬626 كلمة) - 10:17، 22 أكتوبر 2011
- * A/O® Wastewater treatment process for biological removal of nitrogen by USFilter/Krüger. * AAEE American Academy of Environmental Engineers.72 كيلوبايت (9٬322 كلمة) - 10:52، 22 أكتوبر 2011
- * [[absolute atmosphere]] جو مطلق * [[absorbing of water]] مص الماء51 كيلوبايت (2٬739 كلمة) - 12:53، 8 سبتمبر 2011
- * sacri.cial anode A sacri.cial piece of metal, usually zinc or magnesium, electrically connected to a more noble * SAE Society of Automotive Engineers.82 كيلوبايت (10٬689 كلمة) - 10:36، 22 أكتوبر 2011
- * macroencapsulation Isolation of waste by embedding or surrounding it with a material that acts as a barrier * macrofouling The biological fouling of a water system with macroorganisms including clams, barnacles, and mussels.48 كيلوبايت (6٬157 كلمة) - 10:28، 22 أكتوبر 2011
- * P2Rx Pollution Prevention Resource Exchange; a coordinated effort of nine regional pollution prevention resource centers funded by the U.S. EPA. * paint .lter test Test to determine free water content of sludge sample.62 كيلوبايت (7٬901 كلمة) - 10:32، 22 أكتوبر 2011
- * C × T The product of the “residual disinfection concentration” (C) in mg/L determined befo * C × T99.9 The CT value required for 99.9% inactivation of Giardia lamblia cysts. c/c Center-to-center.74 كيلوبايت (10٬631 كلمة) - 10:11، 22 أكتوبر 2011