In fact, some pesticides like DDT have been DDTn.滴滴涕(旧时尤用作农prohibited in most countries because of the damage they业杀虫剂)2 as for 至于,关于(= as to)cause to people and the environment. As fort chemical3too...to...太… …而不能fertilisers, crops grown with them usually ...
Pesticides used for controlling of harmful insects are called insecticides. Insecticides in early time are mainly biological insecticide (e.g. pyrethrum, nicotine, etc.) and inorganic compounds. Until the 1940s, the discovery and application of DDT and HCH had greatly promoted the rapid development...
Until the 1940s, the discovery and application of DDT and HCH had greatly promoted the rapid development of organic pesticides, leading to the emergence of three categories of organic pesticides including organochlorine, organophosphate and carbamate. In addition to being widely used in agriculture, ...
DDT. 01:17 Give the chemical name of the following substances.Chloroform. 01:14 Give the chemical name of the following substances.Freon 01:17 Account for the following: Haloalkanes undergo nucleophilic substituti... 03:12 How do SN^1 differ fromSN^2 reactions ? 03:37 Identify the ...
para,para'-DDT para,para'-Diaminodiphenyl sulphide PARA,PARA'-DIPHENYLMETHANE DIISOCYANATE para,para'-Kelthane PARA,PARA'-METHYLENEBIS(PHENYL ISOCYANATE) para,para'-Thiodianiline para-(Di(2-chloroethyl) aminophenyl) butyric acid para-Acetophenetidide ...
(-)-o,p'-Ddt (-)-Oxazepam hemisuccinate sodium salt (-)-Penicillamine (-)-Phenylephrine hydrochloride (-)-Phenylisopropylamine (-)-Pin-2(10)-ene (-)-Primaquine (-)-Profenofos (-)-Propylene oxide (-)-Quinine dihydrochloride (-)-R,R-1,2-Diaminocyclohexane ...
Product Name4-Chlorobenzyl pinacolone MFC13H17ClO CAS127141-86-0 Product NameS-α-cyano-3-phenoxy benzyl alcohol MFC14H11NO2 CAS122395-47-5 Product NameDESMETRYN MFC8H15N5S CAS1014-69-3 Product Name4,4'-DDT (13C12) MFC14H9Cl5
of widespread usage. Examples are water, aspirin, chlorophyll, heme, methotrexate, folic acid, caffeine, thyroxine, epinephrine, barbital, etc.; also common abbreviations for chemically defined substances, such as ACTH, MSH, BAL, DDT, which are spoken as such and not in terms of the words ...
Other examples include dichlorodiphenyltri-chloroethane (DDT), polychlorinated biphenyls (PCBs), methyl tertiary-butyl ether (MTBE), tributyltin (TBT), ethiny-lestradiol and diclofenac, to name but a few. At least in part, the unexpected collateral effects associated with the use of these ...
DDT Chlorophenothane 029 Chlordanes N,N'-ditolyl-p-phenylenediamine, 030 N-tolyl-N'-xylyl- p-phenylenediamine and N,N'- dixylyl-p-phenylenediamine 031 2,4,6-tri-tert-butylphenol 032 Toxaphene Standards of ban Remark [1] Ban of intentional addition [2] Ban of attachment, ...