Sentence examples for chemical origin from inspiring English sources

However, scientists say that is enough to reconstruct the chemical origin of the sun and its family of planets.

Though the accident at Seveso was of chemical origin and the second was of nuclear origin there are similarities.

The light produced by such living organisms as mushrooms, glowworms, and certain fishes is of chemical origin.

Seo, D.-H. et al. The structural and chemical origin of the oxygen redox activity in layered and cation-disordered Li-excess cathode materials.

"The chemistry is very robust: all the yields are good, and the chemistry is simple," said Dr. Joyce, an expert on the chemical origin of life at the Scripps Research Institute in San Diego.

Culture-media containing sulfide of biogenic and of chemical origin was used to see the effect of metal-sulfide layers developed in different ways.

In 1953, they completed the classic experiment on the chemical origins of life.

Furthermore, PCA allows the chemical origins of the degradation fingerprints to be assessed with comparative ease.

The House bill specifically mentions "biological evolution, the chemical origins of life, global warming and human cloning" as areas that "some teachers are unsure" about teaching.

Understanding the chemical origins of DNA and RNA in the context of origins of life continues to be an enigma, which has spawned a plethora of investigations of plausible pathways (Fig. 1 1.

This is, understandably, a 'bias' that is currently driving many of the investigations in our laboratory as (reasonably) is the case with many of the groups trying to understand the chemical origins of DNA/RNA and/or the alternative nucleosides.