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potent insecticide

См. также в других словарях:

  • Pesticide toxicity to bees — Pesticides vary in their effect on bees. Contact insecticides, those which kill by touching the organism, affect the worker bee that is directly sprayed. Systemic insecticides, those that are incorporated by treated plants, can contaminate nectar …   Wikipedia

  • Parathion — IUPAC name O,O Diethyl O (4 nitrophenyl) phosphorothioate …   Wikipedia

  • Plant defense against herbivory — Poison ivy produces urushiol to protect the plant from herbivores. In humans this chemical produces an allergic skin rash, known as urushiol induced contact dermatitis …   Wikipedia

  • Chemical engineering — Process engineers design, construct and operate plants Chemical engineering is the branch of engineering that deals with the application of physical science (e.g., chemistry and physics), and life sciences (e.g., biology, microbiology and… …   Wikipedia

  • Sclerocarya birrea — Marula Scientific classification Kingdom: Plantae (unranked): Angiosperms …   Wikipedia

  • scab|rin — «SKAB rihn», noun. a potent insecticide obtained as an oily yellow liquid from the roots of various plants of the composite family. Formula: C22H35NO ╂[< New Latin scabra species name of a plant that yields it + English in] …   Useful english dictionary

  • Organophosphate — General chemical structure of an organophosphate An organophosphate (sometimes abbreviated OP) is the general name for esters of phosphoric acid. Phosphates are probably the most pervasive organophosphorus compounds. Many of the most important… …   Wikipedia

  • DDT — For other uses, see DDT (disambiguation). DDT …   Wikipedia

  • Health and Disease — ▪ 2009 Introduction Food and Drug Safety.       In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …   Universalium

  • Müller, Paul Hermann — ▪ Swiss chemist born Jan. 12, 1899, Olten, Switz. died Oct. 12, 1965, Basel  Swiss chemist who received the Nobel Prize for Physiology or Medicine in 1948 for discovering the potent toxic effects on insects of DDT. With its chemical derivatives,… …   Universalium

  • endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

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