说笑
发表于 2025-3-26 21:29:21
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为现场
发表于 2025-3-27 02:30:55
What is biodegradation?, contains 2.6 x 10. tonnes of carbon as CO. which is in equilibrium with even larger amounts (1.3 x 10. tonnes) in solution in the rivers, lakes and oceans (Schlegel, 1986). From this pool of oxidised carbon begins a series of exquisitely complex biological processes driven primarily by solar energy
hallow
发表于 2025-3-27 08:14:40
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outrage
发表于 2025-3-27 11:25:06
Testing strategy and legal requirements,ng test (Ch. 3: 3.3.1) is first applied and if the percentage removal is more than 80% no further testing is required (Table 4.1). Surfactants which are degraded by less than 80% are then subjected to the Confirmatory test (activated sludge) procedure (Ch. 3: 3.3.2) and the value of percentage remov
Blemish
发表于 2025-3-27 17:29:15
Biodegradability of anionic surfactants,one or two hydrophilic groups. In aqueous solutions, anionics dissociate into a negatively charged anion and the (positively charged) counterion. The anion is the carrier of the surfactant properties and its negative charge is due to the presence of a sulfonate, sulfate, phosphate or carboxyl group
Bravura
发表于 2025-3-27 19:00:49
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pester
发表于 2025-3-27 22:16:56
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杀子女者
发表于 2025-3-28 02:24:38
Cyber-Physical Systems Security,d devices and has seen an increased use in different applications. Among the various benefits that CPS provides leading to its wide adaptation, one of them is its ability to seamlessly integrate systems from cyber and physical domain to create value. However, to fully realize such benefits various c