运气
发表于 2025-3-27 00:07:38
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改革运动
发表于 2025-3-27 03:12:13
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繁殖
发表于 2025-3-27 06:50:40
Origin and occurrence of halogenated organic matter in soildicate that the turnover of organohalogens in the environment encompass a complex pattern of processes, such as production (halogenation), mineralisation (dehalogenation) and transformation in addition to retention and release from pools and large scale fluxes.
披肩
发表于 2025-3-27 10:32:17
Formation of organic chlorine compounds of low molecular weight in the chloroperoxidase-mediated rea occur to a small extent, because hydrogen peroxide may give rise to active chlorine. Since soil contains all the necessary precursors, enzymatic chlorination is a plausible mechanism for the formation of organic chlorine compounds in the terrestrial environment.
神化怪物
发表于 2025-3-27 16:48:28
On the possible role of humic materials in the environmental organohalogen budget: The enzymaticallychlorophenol - humic acid product as well as the possible enzymatically mediated polymerization of 4-chlorophenol as a concurrent reaction to the incorporation are reported. The possible extent of the reaction in the environment is discussed.
Embolic-Stroke
发表于 2025-3-27 21:37:43
1383-8598and human health? .Those in favour argue that certain chlorinated compounds (PCBs, DDT,CFCs, etc.) have large negative environmental effects. The use ofchlorine in disinfectants leads to the production of chloroform, whilebulk products (PVC) contribute to the production of chlorinateddibenzo-.p.-di
身心疲惫
发表于 2025-3-27 22:14:34
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顽固
发表于 2025-3-28 05:29:09
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使熄灭
发表于 2025-3-28 06:29:26
Evidence of naturally produced and man-made organohalogens in water and sedimentsral reviews of this subject have been published (Neidleman & Geigert, 1986; Gribble, 1992; Faulkner, 1993; Gribble, 1994) it is often stated that very few organohalogens are naturally produced or that natural production plays a small role in the total turnover of organohalogens in the environment (e.g. New Encyclopædia Britannica, 1992).
不规则的跳动
发表于 2025-3-28 11:39:08
AOX in groundwaterounds can be biased; with a few exceptions (e.g. Page, 1981; Kenrick .., 1985; Veenendaal, Beek and van Puijker, 1986) groundwater monitoring of organic contaminants have been restricted to one or a few classes of contaminants. When point sources play an important role, the number of contaminants and their concentrations can be much larger.