Example sentences of "for long period in " in BNC.

  Next page
No Sentence
1 Stainless steel is also attacked by the cleaning fluids intended for silver-plated cutlery and by immersion for long periods in vinegary solutions , particularly if the vinegar has salt with it , as in the case of pickles .
2 Do n't sunbathe for long periods in the same position .
3 Daphnia will survive for long periods in your tank .
4 In addition to their role as refuse removers , these crustaceans also provide a valuable food source for some fish , particularly Mandarins , which are next to impossible to maintain for long periods in aquaria which are not well stocked with inverts and living rock .
5 In the 1970s he was detained without charge or trial for five years and tortured and held for long periods in leg-irons .
6 A shorter half-life of lymphocytes expressing the lower- M r isoforms has also been observed in sheep , whereas cells with a ‘ naive ’ phenotype persist for long periods in mice after adoptive transfer .
7 As the products of such events could be stored for long periods in the thick sub-cratonic lithospheric keel , there is ample scope for ancient relict-enriched mantle to be involved in younger igneous events .
8 Headless Periplaneta and Schistocerca can be trained to flex their legs for long periods in order to avoid an electric shock .
9 To investigate our rhythms , some individuals have lived for long periods in underground caves , cut off from sunlight .
10 In this research , palynology was dominant for many years but subsequently enormous potential has been offered by research developed by F. Oldfield on mineral magnetic properties which are valuable because many magnetic properties are environmentally diagnostic , are preserved for long periods in many situations , and have parameters which are easy to measure .
11 Not only is there no suggestion in the biographical sources or in documents that Fahreddin Acemi ever held a kadilik , but there is also positive evidence that for long periods in his Muftilik he could not have been kadi of Edirne , at least , since someone else was .
12 For long periods in the past , however , towns and cities did not exist , and yet many , if not most , of the functions which major urban centres fulfil today were still carried out in the landscape .
13 The 20-mile chalk stream has dwindled to a trickle , and it dried up altogether for long periods in the past three drought years , after the drilling of six drinking water boreholes by the Thames Water Authority ( now the Thames Water company ) lowered the water table .
  Next page