Sentences with phrase «of ammonia molecules»

«By scanning the instrument across the length of the station and pointing it toward suspected leaks, we hope to identify the location of possible ammonia leaks via the mass spectrum signature of ammonia molecules,» Kowitt explained.

Not exact matches

The energy in the plasma excites nitrogen molecules, one of the two components that go into making ammonia, allowing them to react more readily on the catalysts.

Q: Supernovas produce most of the heavy elements, but what about non-element molecules, like water and ammonia and many others we find naturally on Earth?

Over a quarter - century, the frozen ammonia - cyanide blend had coalesced into the molecules of life: nucleobases, the building blocks of RNA and DNA, and amino acids, the building blocks of proteins.

To their surprise, the ice bubbled like boiling water at temperatures between -210 C / -346 F and -120 C / -184 F. Analysis of the gas showed it to be hydrogen molecules, which the researchers believe were formed from methanol and ammonia broken up by UV irradiation.

To get a different view, astronomer Giovanna Tinetti and her colleagues at the European Space Agency and University College London focused instead on the light grazing the atmosphere of HD 189733 b. Tinetti had predicted that water would absorb more light at the longer wavelength of 5.8 microns (thousandths of a millimeter) than at 3.6 microns, in contrast with other molecules such as methane and ammonia.

Scientists of Karlsruhe Institute of Technology (KIT) studied the reactions under close - to - reality conditions: With the help of X-rays, they observed the interactions of the nitrogen monoxide pollutant molecule and of the reduction agent ammonia with iron and copper centers, i.e. transition metal ions in Fe - ZSM - 5 and Cu - SSZ - 13, where the reaction takes place.

With the help of the X-ray methods, the researchers studied and compared the interactions of the pollutant molecule nitrogen monoxide and the reducing agent ammonia with the iron and copper centers.

That suggests that the bubbles are made of hydrogen that the ultraviolet light split off methane and ammonia molecules, Tachibana says.

Photosynthesis allows them to take in the latter directly from the air, but they have to procure nitrogen through their roots in the form of organic molecules like ammonia or urea.

While its extreme conductivity makes graphene especially suited for small - scale electronics, the authors» primary interest lay in how it accommodated nearly any type of molecule — specifically, ammonia — they placed between it and the ferroelectric layer.

The American chemists have also found that the titanium atoms in the metcar Ti8C12 can bond other molecules, including water and ammonia, to the surface of the metcar to yield compounds with the formulae Ti8C12 (H2O) 8 and Ti8C12 (NH3) 8.

They pointed a variety of infrared telescopes at interstellar dust clouds and discovered dips at specific frequencies corresponding to molecules including methanol, ammonia, and water ice.

Saturn's much smaller moon, Enceladus, features a network of icy volcanoes spewing ammonia, formaldehyde, and other organic molecules.

He usually has to settle for the whisper of hydrogen and ammonia molecules, picked up by radio towers scattered across the world.

Newly arrived at UC Berkeley, Townes soon learned of plans by young professor William «Jack» Welch to build a short - wavelength radio telescope, and offered some of his startup funds to build a maser amplifier and microwave spectrometer so the telescope could be used to search for evidence of complex molecules, like ammonia, in space.

At the University of Southern California, researchers placed two to four molecules of ammonia inside a droplet of helium kept at near absolute zero or -459 °F.

In the past year the first results from the Breakthrough Listen project were published; FLAG, the world's most sensitive phased array feed receiver was commissioned; first data was released from the ammonia survey of the Gould Belt; two new molecules were detected in the ISM (HC5O and C7H); the first full season for observing with ARGUS and MUSTANG - 2 was completed; and the recent Terzan 5 results directly measured the gravitational potential of a globular cluster for the first time.

These calculations aided in the assignment of the experimental spectra to specific arrangements between the ammonia molecules in a specific cluster.

While ammonia gas and liquid behavior is dominated by the interactions between pairs of molecules, the main building block for solid ammonia is a trimer, three molecules arranged in an acute triangle.

Results: While the bouncing and jostling behavior of collections of water molecules has been understood for some time now, scientists have just established that ammonia, thought to behave differently, has the same characteristics with water in the bonding of adjacent molecules.

The sensitivity of the molecule to a broad range of excitations and the ease with which it can be observed in a number of regions has made ammonia one of the most important molecules for studies of molecular clouds.

One well - known model for the beginnings of life on Earth posits that terrestrial life sprang from complex molecules such as amino acids and sugars produced by electrical discharges in a primeval atmosphere replete with gases such as methane, hydrogen, ammonia and water.

Its instruments can't capture microbes or detect life, but in a couple of dozen passes through the plumes of Enceladus, it has detected various molecules associated with life: water vapor, carbon dioxide, methane, molecular nitrogen, propane, acetylene, formaldehyde and traces of ammonia.

According to Burgasser, the presence of molecules like methane or ammonia, which can only survive at cold temperatures, suggest an object is a brown dwarf.

According to Dr. Ariel Policano, a naturopathic physician, watermelon helps the liver process ammonia — a toxic nitrogen - containing waste product left over from amino acid metabolism and converts it into a molecule known as urea, a component of urine that is safely excreted from the body.

Ammonia, NH3, is a simple molecule made up of nitrogen and hydrogen.

The H2SO4 can then condense together with water vapor (and perhaps organic compounds and / or ammonia) to form a stable cluster of molecules: A new particle is typically 1 - 2 nanometers in diameter.