He defined economics as the science that treats phenomena from the standpoint of price
BUMP to bring up somebody's post typically by posting the word "bump" on a message board. It can also stand for "Bring up my post" or "forget that". An example: "Man, bump dat teacher!".
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MWCO stands for Molecular Weight Cut-Off. It refers to the size of molecules that can pass through a particular membrane or filter, based on their molecular weight. It is often used in processes like ultrafiltration and dialysis.
200 MWCO
20 MWCO
The molecular weight cut-off (MWCO) of a membrane determines the size of particles or molecules that can pass through it. A higher MWCO allows larger molecules to pass through, resulting in a faster filtration rate as more particles can flow through the membrane. Conversely, a lower MWCO restricts larger molecules from passing through, leading to a slower filtration rate.
Urea has a molecular weight lower than 20 MWCO, so it should be able to diffuse through a 20 MWCO membrane. If urea is not able to diffuse through a 20 MWCO membrane, it may be due to factors like the membrane being damaged or having a different pore size than expected, or the presence of additional physical or chemical barriers that prevent urea diffusion.
200 MWCO
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The average diffusion rate of urea through a 200 MWCO (Molecular Weight Cut-Off) membrane would depend on various factors such as concentration gradient, temperature, and membrane properties. Typically, higher MWCO membranes allow for faster diffusion rates of smaller molecules like urea due to their larger pore sizes. Specific experimental data would be needed to calculate the exact diffusion rate in this scenario.
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