What monomer unit might be used to prepare the given polymer?From what two monomer units are the following polymer made?Describe the step-growth and chain-growth polymerization by using the following terms: monomer, reaction, rate, molecular weight.What monomer is required to...
Tremella polysaccharide is soluble in water, but difficult to dissolve in high-concentration organic solvents. Researchers took advantage of this feature to extract tremella polysaccharide. At present, many methods are used to extract tremella polysaccharide, including hot water extraction, alkali extraction...
Among them, the most common organisms found inside are immature stages of Diptera and Coleoptera [7,8,9,10]. Moth flies (Insecta: Diptera: Psychodidae) are commonly found in water bodies, as the majority of psychodid species develop in water during larval stages, with a few exceptions that...