A combination of QM AM1)/MM CHARMM) umbrella sampling MD simulations, B3LYP/CHARMM22, and SCS-MP2 potential energy calculations has been used to obtain free energy barriers to nucleophilic attack at both epoxide carbon atoms in the two substrates.
Quantification of their impact is complicated by the different comparison groups used across epidemiological studies and the combination of interventions examined under the umbrella of improved water or sanitation.
"It's a combination of all the technologies under one umbrella: face, logo, elements, age, gender, emotion and audio".
We detected a trend in flood management practice towards the combination of the different paradigms under the umbrella of integrated flood management, which aims at finding the most suitable solution depending on the respective regional conditions.
Evolving from the Latin word, umbra, meaning "shadow" or "shaded" and the term umbrella, which is a flat-topped rounded flower, which is a flat-topped rounded flower, the resulting term "umbrella" is a combination of both the object's shape and function.
"The term 'assisted living' is a 20-year-old concept that has become an umbrella term for a combination of housing with services, especially for the elderly," said Whitney Redding, a spokeswoman for the Assisted Living Federation of America, a trade organization in Fairfax, Va.
The heroine of "Umbrella" is one of those people.
Millionaires who drive should have $3 million of umbrella coverage.
The concert ends with the performance of "Umbrella".
The usefulness of umbrella terms was discussed at length.
