Example sentences of "of about 30 " in BNC.
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| 1 | This means that leaded bronze is relatively weak and may explain why the statuette in Figure 5.2 , which has a particularly high lead content of about 30 per cent , was broken at the neck . |
| 2 | The gamma radiation has a range of about 30 cm , and for a typical sherd of pottery , this means that the soil contributes the majority of the gamma dose . |
| 3 | In human terms , he 'd reached the age of about 30 — a critical time for self-reflection , I remember ! |
| 4 | PRESIDENT Bush has ordered the withdrawal from Peru of about 30 US Army Green Berets in protest at President Alberto Fujimori 's suspension of the constitution and assumption of dictatorial powers . |
| 5 | This implies a maximum depth of about 30 feet and probably accounts for much of the discrepancy between the original estimate of building costs of £12,000 and the £25,000 actually spent . |
| 6 | Pitch , of course , gets progressively softer as it is heated , and similarly , since the rocks of the mantle are also at high temperatures — the temperature in the earth increases downwards at a rate of about 30 degrees C per kilometre — they can also be thought of as being rather ‘ soft ’ . |
| 7 | The Jutland ( also known as the Sortbroget Jydsk Malkekvæg , or SJM ) in its old form is virtually extinct , though a herd of about 30 black-and-white and grey-and-white Jutland cattle is being preserved by a family on the island of Fünen . |
| 8 | They argued that existing maps and digitized files from them are unable to meet these needs at global or regional scale and only remote sensing could help in the short term : the availability of stereometric data from the French SPOT satellite has already led to proposals for automated creation of global digital elevation models with a spatial ( XY ) resolution of about 30 m ( Muller 1989 ) . |
| 9 | It is also clear that additionality has varied considerably amongst zones : while Rotherham 's additionality amounts to 60 per cent , others , such as Dudley and Clydebank , reveal totals of about 30 per cent . |
| 10 | An excellent brigade of about 30 officers and men ably captained by the Works Manager , Mr C.L. Mason , assisted by Second Officer Mr H.H. Coker , has several smart records to its credit . |
| 11 | The winter populations in 12 major wildfowl localities in the county for the period 1964/65 to 1974/5 are summarised in the table on page 86 , and a comparison of these figures with similar figures for the same areas between 1947 and 1964 indicates an overall decline of about 30 per cent . |
| 12 | Here the drill rig , which after numerous delays had only recently arrived from the mining camps of Northern Quebec , was boring downwards at a rate of about 30 m per day . |
| 13 | For instance , the day 's two leaders in theoretical physics are men of about 30 years , their ideas have been generally expounded by men about 50 years or older and one is certain many of these widely read expositions do not reveal the mentalities of the young creative thinkers . |
| 14 | Some of the larger birds , like the blackbirds and thrushes , often risk a little dive-bombing , in which they swoop down on the owl from a distance of about 30 feet , heading straight for it , and then swerve aside only at the very last moment , when they are no more than a foot away . |
| 15 | In the last phase of the shot the effect of impact causes a few cycles of vibration at a frequency of about 30 Hz . |
| 16 | A woman of about 30 lurched out of the Post Office in front of us and staggered down the road a few steps before falling — her exposed thighs and palms making a sickening ‘ slap-smack ’ sound on the pavement . |
| 17 | I became one of about 30 examiners out on the road , either on my own or with one colleague , and in my two year stint conducted 10 separate enquiries ( often involving more than one company ) . |
| 18 | By comparison , Diplodocus , the biggest of the dinosaurs , was typically 28 m ( 91 ft ) long , while a modern blue whale can reach a length of about 30 m ( 100 ft ) . |
| 19 | The latest of the GSP 's Regional Geochemistry series , Regional geochemistry of the East Grampians area , is to appear in a new format , in which the regional geochemistry of about 30 elements is displayed in colourful and striking digital imagery . |
| 20 | The regional geochemistry of about 30 elements is displayed in digital imagery . |
| 21 | recommended that the procedure is applied to spontaneous speech samples of about 30 minutes ' duration , although there is no reason why this should not be varied . |
| 22 | There 's a crowd of about 30 people but , as far as Mr Breed is concerned , he is playing Wembley Stadium . |
| 23 | The next 30 years saw a drop of about 30 per cent , very unevenly distributed and with many fluctuations . |
| 24 | In the UK , Plattner confessed that R/2 had a limited presence of about 30 sites . |
| 25 | Over 2000 delegates were in attendance with about one third coming from outside the US — this year a contingent of about 30 represented the former communist countries of Eastern Europe . |
| 26 | I go into the end-game ( the colours ) with a lead of about 30 — and then win on the black . |
| 27 | This was , at least , an improvement on an earlier pattern , where I went into the end-game with a lead of about 30 — and then lost on the black . |
| 28 | In frame one I went into the colours , feeling completely hysterical , with a lead of about 30 — and won on the brown ! 61–32 . |
| 29 | It 's quite a common condition , mostly affecting people under the age of about 30 , both sexes equally , and obviously can be very distressing . |
| 30 | It seems a more unlikely plant than most to be a herb , but the whole of it , leaves , stems etc. , consist of about 30 per cent mucilage , and this has a great number of medicinal applications , known for many centuries . |