Frases sobre 'Chemical'

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Elements which are similar as regards their chemical properties have atomic weights which are either of nearly the same value (eg. Pt, Ir, Os) or which increase regularly (eg. K, Ru, Cs).

Autor: Dmitri Mendeleev
Value , Same , Either , Chemical

I was also interested in formulating the path of chemical reactions.

Autor: Kenichi Fukui
Also , Path , Interested , Chemical

In 1893 I founded a chemical company which I ran until 1899.

Autor: Leo Baekeland
Until , Which , Company , Chemical

I got my undergraduate degree in chemical engineering.

Autor: Leroy Chiao
Got , Engineering , Degree , Chemical

I was a Dow Chemical baby. My dad designed chemical plants for Dow Chemical.

Autor: Mike Dean
Dad , Plants , Baby , Chemical

The instruments, glassware, and chemical reagents necessary for my project were the same as my 19th-century predecessors had.

Autor: Rita Levi-Montalcini
Project , Were , Same , Chemical

Even when they are saturated in the sense of the older theory of valence, the elementary atoms still possess sufficient chemical affinity to bind other seemingly also saturated atoms and groups of atoms, under generation of clearly defined atomic bonds.

Autor: Alfred Werner
Sense , Theory , Generation , Chemical

It has long been known that the chemical atomic weight of hydrogen was greater than one-quarter of that of helium, but so long as fractional weights were general there was no particular need to explain this fact, nor could any definite conclusions be drawn from it.

Autor: Francis William Aston
Need , Long , Explain , Chemical

Football tactics are rapidly becoming as complicated as the chemical formula for splitting the atom.

Autor: Jimmy Greaves
Football , Complicated , Chemical , Tactics

Thus at the beginning of 1906 it seemed to be established that the emitters of the spectral series of chemical elements are their positive atomic ions.

Autor: Johannes Stark
Beginning , Positive , Elements , Chemical