the examination and regulation of manufacture, etc., of chemical substances the objective of this law is to prevent pollution of the environment by chemical substances with persistent harmful properties by establishing a system of examination to determine, whether or not such substances have persistent...
, the norse goddess of beauty, love, and fertility. however, selfström's experiment does not mark the element's first discovery; years earlier in mexico, spanish mineralogist andrés manuel del río had isolated numerous compounds from a sample of a mineral he termed "brown lead" (later renamed vanadinite...
and certain knit styles. preparation, also known as pretreatment, consists of a series of various treatment and rinsing steps critical to obtaining good results in subsequent textile finishing processes. in preparation, the mill removes natural impurities or processing chemicals that interfere with...
. patients who progress to this phase are often critically ill and require intensive care . symptoms of ischemic colitis vary depending on the severity of the ischemia. the most common early signs of ischemic colitis include abdominal pain (often left-sided), with mild to moderate amounts of rectal bleeding...
asbestos / / downloads [en] [fr] [de] [hr] [cs] [it] [hu] [lv] [lt] [pl] [ro] [sl] [es] [tr] description during the last decade, the european union has forbidden the manufacture, distribution and trading of asbestos and has been regulating activities related to the removal of this material. however,...
used in animal feed (6) apply panel on additives and products or substances used in animal feed filter panel on biological hazards (9) apply panel on biological hazards filter panel on contaminants in the food chain (6) apply panel on contaminants in the food chain filter panel on food additives and...
(ijgi) j — multidisciplinary scientific journal (j) journal of cardiovascular development and disease (jcdd) journal of clinical medicine (jcm) journal of composites science (j. compos. sci.) journal of developmental biology (jdb) journal of functional biomaterials (jfb) journal of functional morphology...