Sentences with phrase «composed of hydrogen molecules»

Not exact matches

Normal ice is composed of water molecules, each made of an oxygen atom bonded to two hydrogen atoms.

On a yellow pad, Blackwell draws a portrait for me of a prototypical quorum - sensing signal molecule: a ring of carbon atoms attached to some hydrogen, nitrogen, and oxygen atoms, trailing off in a long tail composed of more carbon atoms.

Methane is a molecule composed of one carbon atom linked to four hydrogen atoms.

As synthesized ZIF - 8 is a highly porous material composed of a number of micro-pores of 0.34 nm and 1.16 nm, hydrogen gas with a kinetic diameter of 0.289 nm can easily penetrate inside the ZIF - 8 membrane, while large molecules (> 0.34 nm) are effectively screened by the MOF filter.

Louie noted that many past efforts had focused on just a few molecules within the material — in this case, the crystallized form of pentacene, which is composed of hydrogen and carbon — to learn about these exotic effects.

In galaxies like the Milky Way, dense gas traced by HCN but composed mainly of hydrogen molecules is always associated with regions of active star formation.

These shock waves, in turn, heat some of the gas — composed mainly of hydrogen molecules — to thousands of degrees.

Composed of carbon, hydrogen, nitrogen and oxygen atoms (forming the CH3NCO molecule) a tragic methyl isocyanate gas leak caused thousands of deaths and injuries during what is considered to be the deadliest industrial accident in history — the Indian 1984 Bhopal disaster.

DNA (DeoxyriboNucleic Acid) a molecule composed of two chains of nucleic acid bases held together by hydrogen bonds in a pattern resembling a flexible twisted ladder.

From a physiological and biochemical perspective, the cell membrane consists of a «phospholipid bilayer» — two rows of molecules composed primarily of fats (lipids) and phosphorus (in a special form called «phosphate» that involves a combination of phosphorus with oxygen and hydrogen).

Natural gas liquids (NGLs) are hydrocarbons — in the same family of molecules as natural gas and crude oil, composed exclusively of carbon and hydrogen.

Natural gas is primarily methane, composed of individual molecules that have one central carbon atom and four hydrogen atoms on the outside, positioned as if at the corners of a triangular pyramid (a tetrahedron).