Presence example sentences

Now what was it you wanted?” The man stared closely at Mr Purcell, as though just now aware of his presence.For example, dodecane, a constituent of kerosene oil on heating to 973K in the presence of platinum, palladium or nickel gives a mixture of heptane and pentene.Since a water molecule is eliminated from the alcohol molecule in the presence of an acid, this reaction is known as acidic dehydration of alcohols.In fact, even the process of nitrogen-fixing by bacteria does not take place in the presence of oxygen.Carbon is incorporated into life-forms through the basic process of photosynthesis which is performed in the presence of Sunlight by all life-forms that contain chlorophyll.This is what Rajat has to say about the challenges of his job: In the capacity of the country manager the global manager has to deal with establishing his company s legal and business presence in the form of a local office or business partner, contacting and negotiating with clients, with legal bodies including lawyers and immigration authorities since the services involve having technical staff from India to be based in USA/Europe, as also with local companies offering recruitment services.When benzene is treated with an alkyl halide in the presence of anhydrous aluminium chloride, alkylbenene is formed.Here “shyness” and “friendliness” represent traits along which individuals can be rated in terms of the degree of presence or absence of the concerned behavioural quality or a trait.On testing these leaves for starch it was clear that photosynthesis occurred only in the green parts of the leaves in the presence of light.Better performance in the presence of others is because the person experiences arousal, which makes the person react in a more intense manner.Benzene was found to be a stable molecule and found to form a triozonide which indicates the presence of three double bonds.Saturated hydrocarbons are fairly unreactive and are inert in the presence of most reagents.Prof Ahmad informed them that the forest officers could recognise the presence of some animals in the forest by their droppings and footprints.On the other hand, high levels of anxiety that are distressing and interfere with effective functioning indicate the presence of an anxiety disorder — the most common category of psychological disorders.For example, despite the presence of a green leaf and optimal light and CO2 conditions, the plant may not photosynthesise if the temperature is very low.