Example sentences of "[prep] the naked eye " in BNC.

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61 The fourth wall was constructed of rows of teak slats , incorporated into which were two seamless sliding doors , impossible to detect with the naked eye and only capable of being activated by miniature sonic transmitters .
62 Some protistans are just large enough to see with the naked eye .
63 The names of the shops can be read -some with the naked eye , others only under magnification .
64 They are beyond the visible spectrum but we do not have to make our observations with the naked eye and there are ways in which y-rays can be detected to form an image pattern .
65 Images that fill the corridor , packed with images too small to see with the naked eye .
66 It was impossible to detect in the dried slough a darker hair which might have come from Lorrimer 's head , or with the naked eye to distinguish his blood .
67 I 've looked with binoculars and I ca n't see them with the naked eye .
68 A lot of the operations now I do I think I can do better that I 'm now seeing detail that I never saw before with the naked eye .
69 And , with the naked eye , vouchsafed visions ;
70 Hosts : Ruminants , horses , pigs , rabbits and fowl Site : Small intestine except T. axei and T. tenuis Species : Trichostrongylus axei abomasum of ruminants and stomach of horses and pigs T. colubriformis ruminants T. vitrinus } sheep and goats T. capricola } T. retortaeformis rabbits T. tenuis small intestine and caeca of game birds There are a number of other species of ruminants with more local distribution and importance such as T. rugatus , T. falculatus , T. probolurus and T. longispicularis Distribution : Worldwide Gross : The adults are small and hair-like , usually less than 7.0 mm long and difficult to see with the naked eye .
71 Hosts : Sheep and goats Intermediate hosts : Molluscs : Muellerious in snails and slugs ; Protostrongylus in snails Genera and sites : Muellerius capillaris found in alveoli Protostrongylus many species , found in small bronchioles Minor related genera are Cystocaulus , Spiculocaulus and Neostrongylus Distribution : Worldwide except for arctic and subarctic regions These are brown hair-like worms 1.0-3.0 cm long which are difficult to discern with the naked eye as they are embedded in lung tissue .
72 Host : Domestic dog and wild carnivores Site : Lung parenchyma Species : Filaroides milksi F. hirthi Distribution : North America , Europe and Japan The worms are very small , slender , hair-like and greyish , and are not only difficult to see with the naked eye in the lung parenchyma , but are unlikely to be recovered intact from the tissue .
73 He says that it can be seen for the next week or so in the west , but it 's too faint to be seen with the naked eye .
74 It is known more usually under the name Gill-maggot , because of the length and shape of the female 's egg-sacs which look like miniature white maggots when viewed via the naked eye .
75 Microscopy has come a long way since the 1670s when Antonie van Leewenhoek used his relatively crude instruments to see for the first time the bacteria that inhabit worlds normally hidden from the naked eye .
76 I look her straight in the naked eye .
77 This last category is the thing that started , at least to the naked eye , in Berkeley , California about 1964 , and swept around the world reaching its zenith about 1969–70 — just five years flat .
78 We merely became accustomed to the general life of the common birds and animals , and to the appearances of trees and clouds and everything upon the surface that showed itself to the naked eye ’ .
79 Polished metal looks as smooth and featureless as glass to the naked eye but , unlike glass , it is a crystalline material ; it solidifies as a network of tiny grains which can be seen if the metal is etched with a dilute acid and examined under a microscope ( fig. 5.11a ) .
80 The mite is just visible to the naked eye and feeds on honey bees and their grubs by sucking their body fluids .
81 We 'd been prepared to buy houses with flaws invisible to the naked eye , but now we 'd fallen for one with all its flaws only too obviously visible .
82 But many kinds of bacteria in nature form elaborate colonies , often quite visible to the naked eye , in which different individuals perform different functions , so that the whole colony functions as if it were a single organism .
83 But the vast expanse of the oceans seems devoid of plants — at least to the naked eye ; and if weed grows conspicuously on coral reefs , then that is a often a sign that all is not well .
84 Because the creatures of the plankton individually are small , they are not always visible to the naked eye .
85 Because they are so faint , not a single one is visible to the naked eye .
86 And yet another 10 per cent of stars are white dwarfs , dim stars the size of Earth and all invisible to the naked eye .
87 Protozoa are much larger than bacteria or viruses , although still not visible to the naked eye .
88 The sand and silt particles , which are roughly spherical in shape range from 2,000 microns ( ″ ) to 50 microns in diameter ( sands ) and from 50 to 2 microns ( silts ) ; the finer silt particles being indistinguishable individually to the naked eye .
89 However , some cells , like the large eggs of frogs , are easily visible , and the human egg is just visible to the naked eye .
90 The human and mouse eggs are about one tenth of a millimetre in diameter and are just visible to the naked eye .
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