Examples of 'ra and rb' in a sentence
Meaning of "ra and rb"
ra and rb - These terms are likely abbreviations or acronyms that require more context or information to provide an accurate definition. They could pertain to various fields such as science, technology, or business
How to use "ra and rb" in a sentence
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ra and rb
Relations ra and rb must be of the same type.
The distances between the electron and the nuclei are denoted ra and rb.
Ra and Rb in the scheme are as defined before.
Embodiments of the present invention include those compounds wherein Ra and Rb are each hydrogen.
Ra and Rb may be the same or different.
In another aspect of the invention Ra and Rb is methyl.
Ra and Rb can each represent a hydrogen atom or an alkyl group.
In one aspect Ra and Rb are both hydrogen.
Ra and Rb are preferably the same.
In such embodiments Ra and Rb are preferably hydrogen.
Ra and Rb can be linked with each other to form a ring.
The current i does not run through the resistors Ra and Rb.
Ra and Rb are same as above.
In another embodiment of the present invention Ra and Rb are both methyl.
Ra and Rb together with the nitrogen atom to which they are attached represent.
See also
A compound according to any preceding Claim wherein Ra and Rb is each a hydrogen atom.
Most conveniently Ra and Rb are selected from methyl and ethyl for example methyl.
Wherein Y is sodium or potassium and Ra and Rb are as defined above.
The groups Ra and Rb may have one of the preferred meanings given below.
An amount of energy dissipation at the resistors Ra and Rb is expressed by formula 2.
The groups Ra and Rb may be the same or different.
The compound of claim 5 wherein at least one of Ra and Rb is methyl.
In which Ra and Rb are protecting groups and LG is a leaving group.
A process according to any one of claims 1 to 4 wherein Ra and Rb are both acetyl.
However Ra and Rb preferably both represent hydrogen atoms.
The feed 1 enters a hydrodemetallization step with permutable guard reactors constituted by reactors Ra and Rb.
Ra and Rb are each individually.
Most preferably Ra and Rb each are glycine.
Ra and Rb independently represent hydrogen, hydrocarbon or a heterocyclic group ;.
In one preferred embodiment, Ra and Rb are each independently methyl or trifluoromethyl.
Ra and Rb are selected from hydrogen, halogen and haloalkyl.
Hydrogen atom ; provided that Ra and Rb are not hydrogen atoms at the same time.
Ra and Rb are independently selected from,.
In other embodiments, Ra and Rb are independently fluorine or iodine.
Ra and Rb are such that the - NRaRb is a primary, secondary or tertiary amine group.
In certain instances, at least one of Ra and Rb is alkyl.
Wherein Ra and Rb are protecting groups.
In some aspects of these embodiments, Ra and Rb are hydrogen.
Preferably Ra and Rb are both hydrogen.
A compound according to claim 2 wherein Ra and Rb are both methyl.
With regard to the Ra and Rb radicals, there are in principle no restrictions.
According to a further preferred embodiment, Ra and Rb form either.
Preferably Ra and Rb are joined together to form a phenyl, which is preferably substituted.
In certain instances, Ra and Rb are both methyl.
Thus, each Ra and Rb on adjacent carbons can be the same or different.
In certain instances, Ra and Rb are both alkyl.
Whilst Ra and Rb may be different, more conveniently they represent identical moieties.
Most preferably, both Ra and Rb are methyl.
Preferably, Ra and Rb independently represent hydrogen or methyl.
The compound of claim 1 wherein Ra and Rb are each hydrogen.
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Relations ra and rb must be of the same type
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