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Example sentences for "concentrations"

Lexicographically close words:
concentrate; concentrated; concentrates; concentrating; concentration; concentrative; concentrator; concentred; concentric; concentrically
  1. Lively artillery duels and concentrations of fire in the Val Brenta and in the Mt.

  2. The majority of these attacks took place south of the Somme, in which area large concentrations of German troops were constantly reported.

  3. Allied batteries carried out effective concentrations of fire on Austrian movements east of Val Frenzela and on the back slopes of Col della Berretta, two miles east of Brenta.

  4. No acceleration of coagulation in vitro was observed even with the highest concentrations tried, namely 25 and 50 per cent.

  5. Saliva-dissolved tablets, obviously cannot reach the nasal or tracheal mucosae directly; and the application of quickly acting concentrations of formaldehyde is out of the question.

  6. The claim is, that, the iodin being in the colloidal state, it has the properties of elementary iodin and thus the preparations may be used in concentrations and under conditions which would make the use of free iodin impossible.

  7. The effect of different concentrations was also studied.

  8. To be effective, formaldehyde would need to be supplied to the entire respiratory tract continuously for some time or else in concentrations that would be distinctly irritant and damaging to the tissues.

  9. It seems to the referee that a substance that is ineffective with an hour’s exposure to these concentrations is not at all likely to kill or check bacteria under clinical conditions.

  10. At the same time, he agreed with the Special Programs Unit that large concentrations of Negroes in shore duties lowered efficiency and morale.

  11. These reforms were welcome, but they ignored the basic dilemma: the only way to abolish concentrations of shore-based Negroes was to open up positions for them in the fleet.

  12. It photographs the enemy positions, it detects concentrations and other movements of the enemy, it makes surprise impossible, it is a deadly engine of destruction when used in spraying machine-gun fire upon troops in the open.

  13. At this extremely close range the concentrations of laser-quads and explosive decompress energy by both of us at a single point might disable some part of the warhead or set it off.

  14. Alignment to major concentrations of potential sources, selection of a 'first phase' work site, calibration of instrumentation and activating its spunnel channels and monitors required still more.

  15. No such concentrations were found elsewhere, and probably do not occur in natural habitat.

  16. Even in an area of favorable habitat such as a wooded hillside of several acres, the population is not at all evenly distributed, but concentrations occur along rock outcrops, and about decaying logs, or stone piles.

  17. Addition of one of the components, therefore, cannot alter the concentrations or the pressure, but can only cause a change in the relative amounts of the phases.

  18. Hitherto the concentrations of the components have been represented by means of rectangular co-ordinates, although the numerical relationships have been expressed in two different ways.

  19. When two liquid phases are formed, therefore, the concentrations and the vapour pressure have definite values, which are maintained so long as the two liquid phases are present; the temperature being supposed constant.

  20. At constant temperature, therefore, the condition of the system is not defined until the concentrations of two of the components are fixed.

  21. The temperatures and concentrations of the different characteristic points are as follows:-- | | Composition of Point.

  22. At all temperatures and concentrations lying to the right {124} of the curve abcdc'e there can be only one liquid phase; in the field cdc' there are two liquid phases.

  23. The quantities of the different components are expressed as fractional parts of the whole, and the sum of their concentrations is therefore equal to unity, and can be represented by the height of the triangle.

  24. At that time all of the artillery units were to commence firing successive concentrations beginning at the bottom of the hill and working to the top in fifty-yard bounds.

  25. During the day, as far as their limited ammunition would allow, the artillery units fired at enemy troop concentrations and possible observation posts.

  26. At equal concentrations substances differ much among themselves in the percentage of dissociation.

  27. If the concentrations of the two solutions are known, it is easy to calculate what weight of sodium hydroxide is required to neutralize a given weight of sulphuric acid.

  28. The humpbacks may have found the Glacier Bay food levels to be too low, particularly in the face of continued high vessel use, and simply departed to search for better concentrations elsewhere.

  29. By autumn, plankton concentrations diminish as light and nutrient levels decrease.

  30. April 2--British carry on successful minor operations between the Avre and the Luce Rivers and in the neighborhood of Hebuterne; French repulse Germans southwest of La Fere and shell enemy concentrations east of Cantigny.

  31. Despite the artillery concentrations on the whole movement laboring in the bowl, we were still to try to break through to the Borne de Cornouiller.

  32. On the 16th, by dint of the sheer pluck of units dodging artillery concentrations and zones of machine-gun fire, and wearing down machine-gun nests, further progress was made on the Grande Montagne.

  33. He had met concentrations for attack with concentrations for defense.

  34. Back of the Germans were their trenches on the crest, and their interlocking pill-boxes; at their command always the infernal concentrations of artillery fire which could be brought down on a few minutes' notice.

  35. Four times that day they rushed the Yankees under the support of their concentrations of artillery, which prevented our reinforcements coming up, and the fourth time they drove out our survivors.

  36. The retiring enemy offered only rearguard action from machine-guns and concentrations of shell-fire on roads and open spaces, which were mosquito bites after the kind of opposition which they had been facing.

  37. The length of their march was often in darkness if we were making concentrations for an attack.

  38. For our dense concentrations we had only two first-class roads leading up to the twenty-mile front between the Meuse and the Forest's edge.

  39. At critical points it was supported by concentrations of shell-fire.

  40. Despite our deep concentrations and the quantity of supplies moving, there was none of the confusion of the early days of the battle.

  41. From this it follows that the concentrations should be kept as high as possible to effect complete deposition in the least practicable time, or else the potentials applied must be progressively increased as deposition proceeds.

  42. In other words, there is always a definite and constant ratio between the product of the concentrations of the ions and the concentration of the undissociated acid when conditions of equilibrium prevail.

  43. No precipitation of a specific substance will occur until the product of the concentrations of its ions in a solution exceeds the solubility product for that substance; whenever that product is exceeded precipitation must follow.

  44. Note 2: Unless proper precautions are taken to insure the correct concentrations of acid the copper will not precipitate quantitatively on the aluminium foil; hence care must be taken to follow directions carefully at this point.

  45. Concentrations thus take place in the snow-packed heights that are the sources of mountain streams flowing to the plains far below.

  46. Aquatic biologists emptying plankton traps to study concentrations of radioactivity in microscopic organisms in the Columbia River downstream from the Hanford atomic plant in Washington State.

  47. Hence, the concentrations which limit the toxic effects of these acids in water solutions cannot be taken as representing the condition with which the same plant will have to contend when growing under normal cultural conditions.

  48. These substances may act either directly or indirectly upon the protoplasm, but at certain concentrations they always affect it injuriously.

  49. The caustic alkalies must usually be present in from five to ten times as great concentrations as those of the mineral acids, in order to produce the same injurious effects upon the rootlets of common plants.

  50. There are, however, a large number of water-soluble chemical substances which are injurious to all living protoplasm, even at concentrations considerably less than the point of osmotic equilibrium in the juices of the protoplasm.

  51. In the experiments recorded, K constantly decreases, due to the decreasing concentrations of the reacting substances and the complex nature of the organic matter.

  52. For the successful operation of the chloramine process, the essential factors are low concentrations of the hypochlorite and ammonia solutions.

  53. Bassenge used higher concentrations than Traube and found it possible to destroy B.

  54. The author investigated the action of hypochlorite on galvanised pipes in 1914 and was unable to detect any definite corrosion with normal concentrations of chlorine.

  55. Pigeon Trench, Targelle Ravine and Honnecourt Wood were frequently bombarded at request of the infantry, while concentrations were continuously fired upon all hostile communications and approaches.

  56. All this time gas concentrations were fired into La Terrière and Basket Wood, and everything was done to render as difficult as possible the retirement which the enemy was clearly carrying out.

  57. All through the afternoon the batteries had been busy breaking up concentrations of the enemy, and hitherto had been successful in keeping them at bay.

  58. Such concentrations of levity do indeed exist in varied forms.

  59. After that I know nothing, but of course there are local concentrations along the whole line of the Berg from Mashonaland to Basutoland.

  60. Laputa, so far as I can guess at his mind, had a plan for getting over the Portuguese border, fetching a wide circuit, and joining his men at any of the concentrations between there and Amsterdam.

  61. But it was his duty to isolate Laputa's army, and at all costs, it must be prevented from joining any of the concentrations in the south.

  62. Asō (1902) found that the greater concentrations of manganese sulphate exercised an injurious influence on barley.

  63. This failure to detect stimulation was somewhat unexpected, as when judged by the eye the plants treated with the lower concentrations of boric acid seemed better than the controls, and also exhibited a particularly healthy green colouration.

  64. With high concentrations the lower leaves of the plant are badly affected, just as with peas and barley, turning brown and withering at an early date.

  65. Too great concentrations kill the plant at once, too weak solutions fail to have any appreciable immediate action and so appear indifferent.

  66. A more accurate statement would be that some inorganic poisons act as stimulants when present in small amounts, the stimulating concentrations varying both with the poisons used and the plants on which they act.

  67. Peas give similar results to barley so far as the vegetative growth is concerned, the same retardation with the higher concentrations being observed, while the brown discoloured patches in the lower leaves are much in evidence.

  68. The short duration of these experiments limited their scope considerably, as with certain concentrations the toxic action would not become evident within the prescribed limits of time.

  69. The computer can be programmed to identify unknown components and to determine the concentrations of elements of interest to the analyst.


  70. The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "concentrations" in a variety of sentences. We hope that you will now be able to make sentences using this word.