Example sentences of "at which [noun] [vb mod] " in BNC.

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1 Management is harder when risk factor stratification shows that a person is at increased risk but does not have a likely or predominant mechanism at which treatment can be targeted .
2 To progress the analysis to the level at which activities could be identified , a root definition was developed for each sub-system in turn , and a second-level conceptual model constructed .
3 Finally we viewed a most moving film which clearly demonstrated the pain of grief unresolved and unsupported by the rituals at which others may offer love and remembrances .
4 It is the site for regular meetings of all field staff with their area supervisor , at which problems can be aired , and official policy directives transmitted to the field .
5 ‘ There should be a much higher threshold at which solicitors would need to consult the board .
6 If this is right , then it seems that there is , as Butler ( 1984 ) puts it , " no point at which interpretation may reasonably stop " ( 1984 : 20 ) .
7 When suing a limited company a formal company search should be made , preferably by law agents , to confirm the current address of the debtor company 's registered office at which documents must be served .
8 There are only a limited number of possibilities for public launches of campaigns and campaign materials , and only a limited number of points in the year at which materials can be promoted centrally .
9 It was also argued earlier in the book that there is always some point at which customers will turn from a differentiated product to yours because your price is so much lower .
10 There must come a point at which man must stop trying to decide his own destiny , and I believe that point has come now , in our time .
11 Jevons used exaggerated estimates of the rate at which consumption would increase in the future , and Royal Commissions in 1866 and 1901 dismissed his arguments as alarmist .
12 It is hard to identify a dividing line at which making can be said to be completed and implementation to start .
13 Higher rates of stocking can be supporting using aeration which not only increases the rate at which oxygen can dissolve in water but also that at which carbon dioxide moves from the water into the atmosphere .
14 Area is the important variable for a lung , for it is area that determines the rate at which oxygen can be taken in , and waste carbon dioxide pushed out .
15 This highlights one of the problems of the approach that the time at which reasonableness should be considered is the time of contract .
16 Where fees are based on time charges the effect of programme delay may not influence cash flow , unless the stages at which accounts can be rendered are linked to progress points .
17 The memorandum went on to discuss a rally to be held in Durban in March 1990 at which Buthelezi would urge the lifting of sanctions and support President De Klerk .
18 Since sexuality increased the possibilities of genetic variation , it also greatly accelerated the rate at which evolution could proceed as organisms encountered new environments .
19 The mutation rate is bound to place an upper limit on the rate at which evolution can proceed .
20 Thus the routes to becoming an art teacher have become more flexible , both in terms of the range of courses available and the stages at which students can choose a career as a teacher of art and design .
21 On January 21st it forwarded to NCR written requests from owners of 51% of the shares for a special shareholders ' meeting , at which AT&T will seek to oust the NCR board .
22 Bored soldiers were showing how various mechanisms operated and explaining the rate at which bullets could be discharged .
23 This conclusion is supported by the fact that changes in the fossil record , even rather rapid ones like the increase in human brain size in the last four million years , were slower by a factor of 1,000 than the rate at which changes can be produced by artificial selection in laboratory populations or domestic animals .
24 In the early studies we chose to look at them twenty-four hours after training on the grounds that any structural change would take time to build up , ; more recently he has pushed the earliest time at which changes can be found back to as little as an hour after the bird pecks the bead .
25 The depth of seal is the vertical distance between the normal water level in the trap and the level at which air can get through the trap ( see drawing ) .
26 Having established the rotor positions at which switching must occur to maximise the torque , it is possible to deduce the pull-out torque .
27 Hence investment will proceed up to the point at which the rate of return just equals the interest rate at which firms can borrow .
28 Using the stock concept , at a point in time an investment project is profitable if the present value of net operating benefits the stream of future operating profits discounted at the interest rate at which firms must borrow funds — exceeds the initial purchase price of the new capital good .
29 Constituting themselves as a Council of Action , the leaders called a Special Conference of labour movement organizations for August 13th , at which decisions would be taken to ‘ instruct their members to ‘ down tools ’ … ’ .
30 Nevertheless , as more is learnt about the molecular details of viral infections , points at which viruses might be vulnerable to selective attack are being uncovered .
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