A strong acid; A strong base Weak Tending toward a lower price or lower prices; as, wheat is weak; a weak market. Strong (military) Not easily subdued or taken. A strong position Weak Not stiff; pliant; frail; soft; as, the weak stalk of a plant. Strong Having wealth or resources....
A weak acid; A weak base Weak (physics) One of the four fundamental forces associated with nuclear decay. Weak (slang) Bad or uncool. This place is weak. Weak Having a narrow range of logical consequences; narrowly applicable. (Often contrasted with a strong statement which implies it.) We...
OX prices have been priced over downstream phthalic anhydride (PA) prices since end 2023 as seen on the chart above. The lack of a strong downstream demand recovery, and more price competitive naphthalene-based PA products exerted a downward pressure on OX-based PA cargoes. 展开 年份: 2024 ...
However, the lower the pH, the stronger the binding and the longer the elution times. This is useful for weakly basic or neutral peptides. At a pH of 3.2, there is still some ionization from the electron donating derived from the secondary carboxyl. However, below this pH the capacity of...
January is a key acid test Whilst global economies are currently experiencing a decline much is due to political scenarios rather than hard economic data. Uncertainty provoked by global heads has equated to investors putting their activity on ice. Confidence can be improved especial...