Sentences with phrase «different catalyst»

In a multi-step selection process, they investigated a large number of different catalyst materials.

Peterson's team has started putting together a database of common reaction chemicals and their interactions with different catalyst surfaces.

This group's achievements will lead to the development of methods for synthesizing various organic materials from butadiene by using different catalysts.

The process of splitting water (H2O) consists of two partial reactions, which are implemented with the help of different catalysts: water oxidation (which produces O2) and water reduction (which produces H2).

«Splitting water usually requires two different catalysts, but our catalyst can drive both of the reactions required to separate water into its two constituents, oxygen and hydrogen,» says study leader Associate Professor Chuan Zhao.

Each electrode is embedded with a different catalyst, typically platinum and iridium, two rare and costly metals.

A second electrode and a different catalyst will be needed to combine those electrons with the hydrogen ion to make hydrogen gas.

Additional experiments with 20 different catalyst - substrate pairs showed that the model could accurately predict selectivity.

He has developed a different catalyst — one that, when coupled with a photovoltaic cell, splits water into hydrogen and oxygen using energy from sunlight, just as plants do during photosynthesis.

A few years ago, researchers led by Harvard University chemist Daniel Nocera devised what they call an artificial leaf that uses a semiconductor combined with two different catalysts to capture sunlight and use that harvested energy to split water molecules (H2O) into H2 and oxygen (O2).

Using a technique called electron - back scatter diffraction (EBSD), we were also able to determine how these different catalyst grains were oriented and relate this to the shapes and growth rates of the graphene domains.»

Today, a different catalyst — the threat to U.S. competitiveness in the global economy — has prompted calls for new government action to stimulate our once - again - faltering pipeline of young scientists.

«The starting points can be different catalysts.

The book describes different familial patterns of parental alienation, compares alienation to a cult, explains how it is a form of emotional abuse, details the different catalysts to having the realization that one is an adult child of PAS, and describes the painful long - term consequences.