Example sentences of "[conj] it is [adv] known [conj] " in BNC.

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1 According to Sannia and James(1977) , the place of Parorchis acanthus ( Nicoll , 1906 ) is taken by Renicola thaidus Stunkard ( 1964 ) in America and Iceland , although it is not known whether this parasite exerts similar effects on its host .
2 They arrived on Christmas Eve 1924 , proving that high-quality electrical test recordings existed at the end of 1924 , although it is not known that any of these survive today .
3 Although it is not known when he will be able to return to his £350,000-a-year job , he is expected to lead a normal life within three months .
4 The company has , however , gone ahead with £1 million of research into public attitudes to nuclear power and has completed filming at least one television commercial , although it is not known when it will be broadcast .
5 Although it is not known if the move will put off potential customers for the Cornmill , there are already fears an existing severe shortage of parking spaces threatens the future prosperity of Darlington 's town centre .
6 She had lived there for some time although it is not known where she lived before coming to Darlington .
7 The rights to Presley 's ‘ Sun ’ recordings were acquired by RCA Victor together with the rights to the artist , and although it is now known that the tapes in RCA Victor 's vault are not actually the 1955 originals , they are extremely good copies , and all have been reissued on compact disc .
8 Editor , — Fritz H Schröder rightly emphasises that it is not known whether treatment of early prostatic cancer is beneficial or whether screening for the disease offers any advantage .
9 My friend says I should not have been taking this drug during my pregnancy and that it is well known that it can cause these problems .
10 My friend says I should not have been taking this drug during my pregnancy and that it is well known that it can cause these problems .
11 For example , there is growing evidence showing the relationship between poor housing conditions and poor health , both physical and mental , ’ and it is also known that poor housing adversely affects educational attainment , and that overcrowded conditions can lead to domestic tension and perhaps violence .
12 Only a three-yard stretch of the theatre has been unearthed , and it is not known whether any more will be excavated .
13 Firstly , it is inadvisable to take remedies consisting of mixtures as no homoeopathic provings have been done on mixtures and it is not known whether the effects of these are different from the effects of their individual components .
14 The natural history of AIDS related sclerosing cholangitis has not been clearly documented , and it is not known whether its presence has an independent influence on the prognosis of the affected patient .
15 Few of these have been specifically identified and it is not known whether any single factor is essential for the development of Crohn 's disease .
16 And it is well known that , being required to prepare designs for a useless and costly object by one of our leading nobility , long since deceased , one of princely fortune , but who had an extravagant passion for building , he purposely appealed to the son to advise his father to give the intention ’ .
17 And it is well known that children who have been read to in their preschool years have a general advantage when the learning of reading begins .
18 First , non-response was high and it is now known that , as a category , non-respondents are often very different in a number of relevant respects from those who do respond .
19 They could obtain compass information from the sun and stars , and it is indeed known that some seasonal migrators follow stellar patterns ; stellar orientation has been particularly well studied in the indigo bunting , a bird that inhabits North America .
20 A trade usage will be imported if it is widely known and followed , and is sufficiently certain , binding and reasonable .
21 Sir , the pond in D thirty nine has been shown to be a breeding place for the Great Crested Newt , but it is also known that it migrates to other ponds , several others , but does not necessarily breed there , but chooses at Skelton .
22 The National Trust is currently undertaking a structural survey which will reveal the full scale of the damage , but it is already known that extensive harm has been done to the brickwork , windows and terrace .
23 From there she could have travelled to France or Belgium but it is not known whether she boarded a ferry .
24 The police have improved both their procedures and their training , but it is not known whether social attitudes in general have changed greatly .
25 But it is not known whether TCR- β gene rearrangement or expression is required for such a transition , and no information is yet available on a role for TCR- α gene rearrangement or expression .
26 Perforated discs ( bi ) ( fig. 14 ) and the afore-mentioned zong came to designate heaven and earth , but it is not known whether this was their original meaning .
27 North American Indians , Polynesian and Micronesian Pacific islanders , Australian Aborigines , and Asian Indians are usually considered in these terms , but it is not known whether all human populations previously subject to severe ‘ feast and famine ’ conditions have a thrifty genotype .
28 The differential fee for night visits is intended to discourage general practitioners from using deputising services , but it is not known whether it has had this effect .
29 Our solutions containing rice derived glucose polymer promoted the highest water obsorption in the secretory state but it is not known whether increasing the polymer concentration ( but maintaining ORS hypotonicity ) would enhance water absorption by further stimulating active glucose transport or whether water absorption would be jeopardised , even by a moderate increase in osmolality .
30 A charter to hold a market and an annual fair was granted in 1348 , but it is not known when the use was discontinued .
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