谦虚的人
发表于 2025-4-1 02:22:00
Preparation of Cationic Polyelectrolytes by Spontaneous Polymerizationand it can be noted that the syntheses of these water-soluble polyions has been concerned primarily with the preparation of ionene polymers (2) by polycondensation reactions, with the polymerization of cationic vinyl monomers in which the positively charged site is located far from and not in resona
affect
发表于 2025-4-1 09:34:55
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我还要背着他
发表于 2025-4-1 10:39:29
Water-Soluble Polymers as Flocculants in Papermaking The water systems surrounding this basic process will be described in more detail below, as will the complete papermaking system. Figure 1 shows a Fourdrinier paper machine (the most common type), looking from the continuously moving wire toward the driers.
Initial
发表于 2025-4-1 16:25:36
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TEM
发表于 2025-4-1 18:30:58
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Adornment
发表于 2025-4-1 23:48:05
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GREG
发表于 2025-4-2 05:37:17
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PALSY
发表于 2025-4-2 08:58:33
Water-Based Finishes in Response to Environmental Constraintstor. As a result, the coating industry has developed finishes like the epoxies for primers and the thermosetting acrylics for topcoats (1). These coatings have proved their value in the appliance industry in providing durability, color stability, corrosion and detergent resistance as well as long-term decorative effects.
Classify
发表于 2025-4-2 13:23:05
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无表情
发表于 2025-4-2 18:12:25
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