Example sentences of "levels of [noun pl] [prep] the " in BNC.

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1 TAGH might be acting by enhancing the effect of the physiological levels of ligands of the EGF receptor in the hepatocyte environment by phosphorylation of the EGF receptor .
2 Eastern Europe must try to maintain satisfactory levels of exports to the West in order to service its debt obligations there and satisfy domestic needs at a time when it is being pressed to greatly increase exports of manufactures to the Soviet Union to pay for increasingly costly imports .
3 Although there is no proof that these conditions are caused by pollution from the plants , investigations by environmental lawyers have found high levels of dust and sulphur dioxide — both of which are known respiratory irritants — in the vicinity of the plants , together with above-average levels of dioxins in the soil .
4 It goes on to say that , coupled with the large safety margin involved , it is ‘ extremely unlikely that anyone is being harmed by current levels of dioxins in the environment . ’
5 But although great strides have been taken in recent years to reduce the levels of dioxins in the environment , many governments recognise more research and monitoring is needed .
6 Semiconductors rely on gaps between the characteristic energy levels of electrons in the material ; while these remain large , currents can not flow .
7 To do this we look at the very small differences in energy levels of electrons in the atom that these nuclear properties produce .
8 These beers are also made with substantial levels of adjuncts to the malt mash : maize , rice , triticale , wheat flour and potato starch .
9 Levels of hydrocarbons in the environment of Sullom Voe and Yell Sound are in the range of 15 and 600 parts per million , compared with as much as 3000ppm in the Firth of Forth and up to 5000ppm around a North Sea oil platform .
10 In all the countries we studied there is a need to work toward developing more rational and systematic personnel systems that recognize that there are many types and levels of jobs in the social services and that clarify the nature of these jobs and the specific skills and knowledge required to perform them .
11 The careers of other scholars of the period who reached the highest mevleviyets likewise suggest that by this time teaching on at least two levels of medreses beyond the Sahn had become customary , the top level being composed of the Suleymaniye medreses and the later imperial medreses , such as those of Selim II and Murad III .
12 It has been shown above that , on the basis of the careers of a number of Muftis in the late sixteenth and early seventeenth centuries , one might tentatively conclude that by that time it was as a practical matter desirable , if not absolutely necessary , to have taught on at least two levels of medreses beyond the Sahn in order to have a chance to attain the highest office in the learned profession .
13 Thirdly , those of us who are overweight tend to have higher levels of fats in the blood , and fibre-rich foods , when combined with weight loss , can help this enormously and thus lower the risk of heart disease .
14 And the DoE is investigating the levels of pollutants in the home .
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