Sentence examples for a sample of hydrogen from inspiring English sources

Using a vacuum pump, students collect a sample of hydrogen chloride gas, common to toilet bowl cleaners and the human stomach, in a small leak-proof container at room temperature but at a pressure six times lower than the atmosphere's.

A sample of titratable hydrogen ions includes free insoluble H+ ions and their combinations with acids and proteins.

The compression of a cylindrical sample of hydrogen contained in a hollow shell of Pb or Au has been analyzed in the framework of the experiments to be performed in the heavy ion synchrotron SIS100 to be constructed at the Gesellschaft fűrs Schwerionenforschung (GSI) Darmstadt.

Alexander Drozdov and Mikhail Eremets, physicists at the Max Planck Institute for Chemistry in Mainz, Germany, and colleagues tried something slightly different last year: They squeezed a tiny sample of hydrogen sulfide and saw its electrical resistance vanish at 190 K, as they reported in December on the preprint server arXiv.org.

Any sample of hydrogen whatever can be taken as the standard, and the atomic weight of a second element will be determined by the weight of that element which combines with it.

This degree of accuracy is enough to distinguish, for example, a sample of water from a sample of pure hydrogen peroxide: the ratio of oxygen to hydrogen is reconstructed to within 8±0.5% of the true value.

Comparison with earlier measurements of molecular hydrogen formation on a sample of polycrystalline olivine shows that amorphous materials are more efficient catalysts.

Open image in new window Fig. 5 A chromatograph for a collected sample of generated hydrogen stream from 2nd GLS upon injecting 25 wt% NaBH4 and 3 M HCl at 0.97 and 1.25 ml/min, respectively.

The design and development of a glass fabricated microimpinger for gas phase sampling of hydrogen cyanide is described.

Samples of hydrogen peroxide were placed inside the tube in a plastic weigh boat, and the SPE was inserted through a small slit in the glass tube approximately 50 cm above the sample.

After obtaining samples of hydrogen expected to be enriched in deuterium, he detected a spectrum that agreed with his predictions for deuterium from the Bohr atomic model.