Example sentences of "at [no cls] [conj] [verb] [prep] " in BNC.
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1 | Ignatov ( 1965 ) reported that in winter at Vostok , almost 3500 m above sea level on the high Antarctic plateau , kerosene ( paraffin ) becomes a jelly at -60°C and solidifies at -85°C . |
2 | Even with 64 levels of grey scanned at 300dpi and printed at 600dpi the reproduction , when printed , will be of worse quality than a newspaper photograph . |
3 | Biopsy specimens were transferred into tubes with 80% ethanol as previously described for ethanolic platelet activating factor extraction from cells as well as from biopsies and frozen at -20°C until assayed for platelet activating factor activity . |
4 | Biopsy specimens should be conserved in 80% ethanol and frozen at -20°C until assayed for platelet activating factor activity . |
5 | The perturbation had a maximum amplitude at 60°N and decreased to zero at 82.5°N and 27.5°N . |
6 | At the end of collection , urine volumes were measured and aliquots frozen at -30°C until assayed for cyclic nucleotide and creatinine content . |
7 | Bacterial colonies from freshly streaked plates containing ampicillin at 100µg/ml and chloramphenicol at 25µg/ml were innoculated into YT-broth containing the above concentrations of antibiotics , and grown shaking at 37°C until the OD 450 was 0.5 . |
8 | The plasma was stored at -80°C until assayed for endotoxin using a modified limulus amoebocyte lysate assay ( Coatest Endotoxin , Kabi Diagnostica , Molndal , Sweden ) . |
9 | K acetate 8M ( unc vol. ) was then added and mixture was incubated for 45 min. at 0–5°C and centrifuged at 10Kg for 15 min. 1 volume of 2-propanol was added to the supernatant which was left at room temperature for 30 min. and centrifuged 10 Kg , for 10 min . |
10 | The sketchier MicroSparc-III , expected to produce silicon in early 1995 , will pick up at 100MHz and go to 125MHz by the beginning of 1996 . |
11 | The sketchier MicroSparc-III , expected to produce silicon in early ‘ 95 , will pick up at 100MHz and go to 125MHz by the beginning of ‘ 96 . |
12 | The pH of the gastric juice was measured with a Philips digital pH meter and the juice samples stored frozen at -70°C until analysed for the presence of bile acids . |