Examples of 'presence of hydrogen' in a sentence
Meaning of "presence of hydrogen"
The presence of hydrogen refers to the existence or occurrence of hydrogen gas in a particular environment or substance. Hydrogen is the lightest and most abundant element in the universe and can be found in various forms, including as a gas, liquid, or part of other compounds. Determining the presence of hydrogen is often important in scientific research, industrial processes, or in identifying potential hazards or sources of energy
How to use "presence of hydrogen" in a sentence
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presence of hydrogen
This step is performed in the presence of hydrogen.
The presence of hydrogen in the second reactor is optional.
The polymerizations were conducted in the presence of hydrogen.
The presence of hydrogen is necessary to prevent coking of the catalyst.
The column is eluted in the presence of hydrogen.
The presence of hydrogen is necessary to maintain the activity of the catalyst.
Hydrofinishing is done in the presence of hydrogen and a hydrofmishing catalyst.
The polymerisation may be performed in the presence of hydrogen.
Acridinium ester in the presence of hydrogen peroxide is oxidized to an excited state.
Hydrogenation of dimethyl disulphide in the presence of hydrogen sulphide.
Thus the presence of hydrogen in metal contributes to a decreased corrosion resistance.
These steps are carried out in the presence of hydrogen.
The presence of hydrogen improves catalyst stability and alkylate quality.
The reaction is done in the presence of hydrogen.
The presence of hydrogen may be interpreted to indicate the existence of water on a planet.
See also
The polymerization can be performed in the presence of hydrogen.
This value denotes the presence of hydrogen released at the negative electrode.
Step a can be carried out in the presence of hydrogen.
The presence of hydrogen or steam in the feed is beneficial for preventing carbon deposition.
Match test used to detect the presence of hydrogen gas.
The presence of hydrogen peroxide in the formulations imparts an inherent instability to these solutions.
Research suggests pipes may crack in the presence of hydrogen.
The presence of hydrogen generates pores in the solidified castings reducing the ductility and strength.
Polymerization in the presence of hydrogen.
In the presence of hydrogen and in the absence of chloroform comparative test No.
This sulphurisation generally takes place in the presence of hydrogen.
Heating this ammonium salt in the presence of hydrogen reduces it to elemental platinum.
The hydrocarbons contact a solid catalyst in the presence of hydrogen.
All these reactions require the presence of hydrogen peroxide in order to proceed.
The contacting is preferably carried out in the presence of hydrogen.
The test strip indicated the presence of hydrogen peroxide in the composition.
Manufacture of perchloroethylene from carbon tetrachloride in the presence of hydrogen.
This reaction may be carried out in the presence of hydrogen and of a palladium catalyst.
This sulphurization can be preceded or accompanied by an activation in the presence of hydrogen.
A hydrogen breath test detects the presence of hydrogen and methane in exhaled air.
Hydrocarbon conversion processes are often performed in the presence of hydrogen.
Most of these catalysts require the presence of hydrogen to reduce the catalyst deactivation.
A hydrogen sensor is a gas detector that detects the presence of hydrogen.
Principal reason for this shift is the presence of hydrogen which is generated during passivation.
The feedstock is contacted with the catalyst in the presence of hydrogen.
Step A is carried out in the presence of hydrogen peroxide and a base.
Thus the catalyst is not extremely sensitive to the presence of hydrogen.
In the presence of hydrogen sulfide, several organic substances could be photoassimilated.
We prefer to conduct the process in the presence of hydrogen fluoride.
The presence of hydrogen is not harmful, even in relatively large proportions.
The pretreatment may be conducted in the presence of hydrogen gas.
The presence of hydrogen is not detrimental, even in relatively large proportions.
Use of free radicals generated in the presence of hydrogen peroxide.
Finally, the presence of hydrogen is required in order to carry out the present process.
Hydrogenation with palladium on carbon in the presence of hydrogen gas.
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Examples of using Presence
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I feel here the presence of the demon
Their presence always indicates an abnormal process
We appreciate your presence and thank you
Examples of using Hydrogen
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A molar hydrogen to carbon ratio of the fuel
An accident with a battery vehicle containing hydrogen
A molar hydrogen to carbon ratio in the fuel
