Examples of 'represent hydrogen' in a sentence
Meaning of "represent hydrogen"
represent hydrogen ~ refers to the symbolic or abstract representation of the chemical element hydrogen (H). It is commonly used in chemistry, physics, and other scientific fields to denote or stand for hydrogen in formulas, equations, or diagrams
How to use "represent hydrogen" in a sentence
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represent hydrogen
Dashed lines represent hydrogen bonds.
These compounds all bear an asymmetric carbon when the R groups specified above represent hydrogen.
May particularly represent hydrogen.
White spheres represent hydrogen atoms, which help render the surface of the wire chemically non-reactive.
In a still further embodiment Rx and Ry represent hydrogen.
Rd and Re each represent hydrogen or a lower alkyl group ;.
However Ra and Rb preferably both represent hydrogen atoms.
Rb and Rc each represent hydrogen or Rb and Rc together represent a bond ;.
Most preferably, they represent hydrogen.
Ra and Rb each represent hydrogen or Ra and Rb together represent a bond,.
Each red ball represents an oxygen atom, and the grey sticks represent hydrogen atoms.
And R4 independently represent hydrogen atom or methyl group.
A compound according to any preceding claim wherein R5a-d independently represent hydrogen.
The symbols R1 independently represent hydrogen or a methyl group.
Particularly preferred are the compounds in which R3 and R4 both represent hydrogen.
See also
And R6 each independently represent hydrogen or alkyl group or.
Compounds according to claim 1 wherein R and R1 are the same and represent hydrogen.
Therefore, it was intuitive to represent hydrogen with the letter H.
A preferred set of compounds of formula III are those wherein R5 and R6 both represent hydrogen.
And R4 considered independently represent hydrogen or a lower alkyl group or.
Represent hydrogen or methyl ;.
As is customary in organic chemistry, R can represent hydrogen or an alkyl group.
When R ² and R ³ both represent hydrogen the nitrogen atom is preferably protected as the phthalimide.
Preferably, Ra and Rb independently represent hydrogen or methyl.
Y1 to Y3 independently represent hydrogen atoms or 1 to 8 carbon linear or branched alkyl groups.
Suitably, Rs and Rt each independently represent hydrogen or alkyl.
R2 can represent hydrogen.
In another variant of the invention, the two R 5 groups represent hydrogen atoms.
Thus, R can in particular represent hydrogen or a methyl or isopropyl radical.
And R8 independently of one another represent hydrogen.
And R5 each independently represent hydrogen or substituted or unsubstituted alkyl ;.
Wherein at least four R1 groups represent hydrogen.
And R4 each independently represent hydrogen or an electron donating substituent, and.
Preferably R ' and R " are the same or different and represent hydrogen or methyl.
R ⁷ and R ⁸ independently represent hydrogen or alkyl groups of up to 5 carbon atoms.
And R5 preferably do not represent hydrogen.
And R2 represent hydrogen or alkyl, one at least of the substituents being equal to hydrogen ;.
A compound of the formula wherein R and R ¹ both represent hydrogen or combine to form a bond ;.
And R 6 represent hydrogen or lower alkyl and may be the same or different ;.
Preferably, Rs and Rt each represent hydrogen.
And R7 independently represent hydrogen atom or an alkyl group containing 1 to 6 carbon atoms ;.
In one embodiment R2 can represent hydrogen.
R2 and R3 represent hydrogen atoms or a linear hydrocarbon groups having no more than 3 carbons.
In another embodiment R6 and R7 independently represent hydrogen or methyl or ethyl.
And R4 represent hydrogen and n has a value of 1.
R2c and R2d independently represent hydrogen or alkyl.
A bleaching composition according to claim 27, with the proviso that R3 does not represent hydrogen.
Represents wherein Ra9 represent hydrogen or fluorine ;.
And R 5 represent hydrogen or alkyl, cycloalkyl, aryl or arylalkyl a group Medicaments.
X and Y, which are identical or different, represent hydrogen or a methyl radical ;.
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Examples of using Hydrogen
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