1. A dangerous amount of radioactivity was released into the environment last month.

2. We have to learn to control radioactivity.

3. The Geiger counter registered a dangerous level of radioactivity.

4. The amounts of radioactivity present were infinitesimal.

5. The site was found to be contaminated by radioactivity.

6. The accident caused the release of radioactivity into the atmosphere.

7. The level of radioactivity in the soil was found to be above recommended limits.

7. try its best to collect and make good sentences.

8. According to received wisdom, exposure to low level radioactivity is harmless.

9. Hot spots of radioactivity were found near the power station.

10. The government claims that background radioactivity is well below international norms.

11. He says there's more radioactivity in the environment.

12. As the uranium reacts its radioactivity produces unstable atoms.

13. Workers were exposed to high levels of radioactivity.

14. One curie is equal to the radioactivity of one gram of radium.

15. The radioactivity to which they were exposed was so powerful that the dead men's bodies were themselves a radiation hazard.

16. Analysis of the radioactivity within the seaweed indicates that it had been discharged from Sellafield within the past 12 months or so.

17. Researchers, however, are less concerned about radioactivity than the toxic nature of depleted uranium, a heavy metal.

18. Strong traces of radioactivity were discovered in the tombs, which is credited with having arrested dissolution.

19. Only 10 years after the discovery of radioactivity, the first rocks were dated by the uranium-lead method.

20. Both radioactive fission products and induced radioactivity in structural materials contribute to the problem of radioactive waste.

21. The soil contains 30 times the acceptable level of radioactivity.

22. The dismantling of a nuclear reprocessing plant caused a leak of radioactivity yesterday.

23. They argued that only a negligible rise in atmosphere radioactivity resulted from the test.

24. That upsets some anti-nuclear activists, who claim that a rocket explosion could spew cancer-causing radioactivity into the atmosphere.

25. It was quite a shock when 400 square metres of the site was found to be contaminated by radioactivity.

26. The addition of indomethacin resulted in a significant decrease in the radioactivity ratio between ulcerated and intact mucosa.

27. The carrier, glowing through the night with its immense burden of radioactivity, is too hot to handle.

28. Two other canisters bearing labels for radioactive material were also found, but preliminary tests failed to detect any radioactivity.

29. Projects already undertaken for pharmaceutical customers have involved removal of plant and equipment contaminated with low-levels of radioactivity and other hazardous materials.

30. The abundance of the new elements can then be analyzed by their radioactivity.

1. The soil contains 30 times the acceptable level of radioactivity.

2. The dismantling of a nuclear reprocessing plant caused a leak of radioactivity yesterday.

3. A dangerous amount of radioactivity was released into the environment last month.

4. The site was found to be contaminated by radioactivity.

5. The level of radioactivity in the soil was found to be above recommended limits.

6. They argued that only a negligible rise in atmosphere radioactivity resulted from the test.

31. The half-life of a radioactive substance is the time interval taken for the radiant species present to lose half its radioactivity.

32. There are no serious long-term spent-fuel reprocessing or waste problems nor is there a potential for the large scale release of radioactivity.

33. The first is the internal heat produced by radioactivity in the Earth.

34. Children with more than 60 becquerels of radioactivity per kilo of bodyweight are thought to be at risk from disease.

35. Yet these elements have had a profound effect on the evolution of the Earth because of their radioactivity.

36. One can then compare the amount of radioactivity in control and trained chicks region by region and look for differences.

37. Fields adjacent to the nuclear facility were found to have high levels of radioactivity.

38. At St-Aubin, soil contains 30 times the acceptable level of radioactivity.

39. The ratio of radioactivity of ulcer area v intact mucosa was calculated for each group of rats.

40. Radioactivity is induced in the metallic containment vessel that surrounds a reactor core by neutrons that escape from the core.

41. Another simple but ingenious technique enables one to separate the individual proteins and measure the amount of radioactivity in each.

42. Officials said they expect that no radioactivity will be released into the atmosphere.

43. The greenhouse effect and radioactivity from nuclear waste hurt people not even born.

44. Several chemical elements decay with age, producing radioactivity in the process.

45. Crystals embedded in the back of the chair detect the radioactivity level in the children's bodies.

46. No radioactivity was detected, and there was no disruption of aircraft electronics.

47. There, they surrendered cigarettes, breath mints and gum, which might pick up radioactivity that could be ingested.

48. Radioactivity is a special quality of radium.

49. Overburden had concealed the radioactivity.

50. Preventing noise, electromagnetic radiation, and radioactivity pollution?

51. the process of decontaminating areas exposed to radioactivity.

52. The Geiger counter showed the existence of radioactivity.

53. This is a Geiger counter for detecting radioactivity.

54. Some rare metals have radioactivity.

55. The material is free from radioactivity, nontoxic and harmless.

56. Natural radioactivity contains a store of valuable information.

57. There was in nature another element which sent out radioactivity.

58. In this paper, through the theoretical analysis and practice, the au thor have discussed the results of quantitative calculation for radioactivity logging with computer in detail.

59. Generation hip radioactivity is neuralgic , make articulatory dash forward articulatory face produces traumatic sex arthritis, aggravating waist leg is painful.

60. Lanthanum - tungsten electrode is the substitution product of thorium - tungsten electrode because of its freedom from radioactivity.

61. Tests on three helicopter aircrews returning to the carrier after conducting missions near Sendai meanwhile "identified low levels of radioactivity on 17 air crew members," the statement said.

62. The Curies and scientist Henri Becquerel won a Nobel Prize for Physics in 1903 for discovering radioactivity.

63. Disposal of wastes with radioactivity and other radioactive substances on the sea is forbidden. The exemptible radioactive content in the wastes shall be determined by the State Council.

64. Type of radioactive disintegration (see radioactivity) in which some unstable atomic nuclei dissipate excess energy by spontaneously ejecting an alpha particle.

65. Radioactivity refers to the phenomenon of emitting ionizing radiation when a radionuclide spontaneously disintegrates.

66. This concept is relied upon, for example, when anthropologists use carbon-14 to date ancient artifacts and when doctors determine the proper dose of radioactivity to treat a cancer patient.

67. At the surface, radioactivity of the conglomerates is locally as high as 30 X background.

67. Wish you will love and make progress everyday!

68. The results showed that the radioactivity levels of each nuclide in Yangtze River water system were still lower than that of background, and did not cause contamination.

69. In order to meet the safety requirement of radioactivity logging of oil industry, the radioactive source status monitor is developed.

70. The nuclear process involves several stages, which the danger of radioactivity constantly present.

71. This paper reports the radioactivity ratios about the untraditional building materials in Anhui Province, at recent years.

72. A metal called uranium gave off a kind of radiation, which Marie Curie later called radioactivity.

73. Japan's national broadcaster NHK said the pool had lost two-thirds of its water, releasing large amounts of radioactivity.

74. To investigate levels of skin exposure[], the researchers took radioactively labelled BPA and observed the movement of radioactivity through pig ear skin — a widely used model for human skin.

75. The Institute of Radium of National Academy of Peiping was the first institute in the field of radioactivity in China. In 1948, it was reorganized into the first institute of Atomics in China.

76. For instance, because it takes only 8 days for the radioactive isotope iodine-131 to decay away to half its original level of radioactivity, simply waiting should be a fix.

77. The process by which an atom changes from an unstable state to a morestable state by emittingradiation is called radioactive decay or radioactivity.

78. For good reason: 20 years ago this month, the Homyel region was drenched with radioactivity from an explosion at the nearby Chornobyl nuclear power plant.

79. This led her to deduce that there were other substances within pitchblende that had properties of radioactivity.

80. It is the product of radioactive decay ( see radioactivity ) and is used in helium dating.

81. In opposite to other tissues and organs, the radioactivity in stomach, intestine and bone gradually went up with time.

82. Vanadium alloy, with low radioactivity and high high-temperature strength, is taken as one of the candidate structural materials for fusion reactor blanket.

83. A computer code FDKR and its associated data library AF-DCDLIB have been developed for fusion-fission hybrid reactor radioactivity calculations.

84. As we have learned, this product does not have radioactivity, bibulous rate low, intensity is high, fight corrupt ability and wear-resisting performance are good, use won't efflorescent chap for long.

85. Measurement of radioactivity in the environment-Soil. Part 7 : methodology for strontium 90 activity measurement in soil samples.

86. Radioactivity is painful to right shoulder or back visible at cholelith disease, to perineal ministry person wait for ureter stone.

87. The practices verify that concrete has function of shielding strong ray. Thus the construction difficult issue how to efficiently solve cobalt 60 with strong radioactivity in construction is overcome.

88. Electricity and radioactivity have little in common and do not resonate.

89. The inherent danger of concentrating the amount of radioactivity necessary to produce commercial power is simply far too great for civilization to tolerate.

90. Because of the radioactivity in waste water of rare earth factories, the purificatory principle of radioactive waste water, and adsorption of some clay minerals and soils for rare earth was studied.

91. Human superoxide dismutase (SOD) was labelled with high specific radioactivity by conjugating to an 125I-iodinizated acylating agent.

92. Article 49 Materials containing radioactivity in excess of standards or materials containing toxic and harmful substance easy to dissolve in the water may not be used in a marine construction project.

93. The radioactivity was being swept upwards by the air current and out into the atmosphere.

94. They had called the rays from it radioactivity; they now decided to call the element radium.

95. As with radioactivity, stories have a half-life—in other words a period by which half of newly promoted stories are relegated to a nether page.

96. Local wireless phones are becoming popular because of the following advantages: charges on the caller only, less radioactivity, and longer stand-by time.

97. Fourth generation reactors have better ways of dealing with "afterheat, " heat created by leftover radioactivity in a reactor, and could circumvent the problem completely.

98. Radioactivity is found on both sides of the failure plane in all cases.

99. Marie Curie , Polish - born French scientist and pioneer in the medicinal use of radioactivity, died.

100. Radioactivity in vivo was highly accumulated in thyroid gland, in stomach, kidney, adrenal gland and caul secondarily, in liver , heart, intestine, fat and spleen decrease successively.

101. In the future, artificial skin could be studded with sensors that respond to chemicals, biological agents, temperature, humidity, radioactivity or pollutants.

102. Radioactivity : Property exhibited by certain types of matter of emitting radiation spontaneously.

103. Objective : To explore the clinic value of bFGF - ESSEX combination misture VitB 12 in acute radioactivity stomatitis.

104. The Curies and Henri Becquerel shared the Nobel Prize for Physics because of their discovery of natural radioactivity.

105. In fact, it was Curie that coined the term radioactivity, though Henri Becquerel discovered the phenomenon years earlier.

106. The practice show that quality and radioactivity of the product, which is made by gangue and some condensing agent, can meet related national regulation after 28 days' natural maintenance.

107. The instrument that checks radioactivity levels does not trigger an alarm, so operators still have no reason to suspect a LOCA.

108. Radioactivity provides an extremely sensitive method of analysis since disintegration of individual nuclei are monitored.

109. Radioactivity is the ejection of particles or radiation from the nucleus.

110. Then you have class three which is a rad system failure where you might have an equipment failure in the radwaste area where you might release some radioactivity.

111. Sealed neutron source and gamma source used in nuclear logging have strong radioactivity which is harmful to operators.

112. If discovered, the heavy particle would definitively show that properties like electromagnetism and radioactivity are really different facets of the same force.

113. Nuclear power plant containment shell is a large-volume pre-stressed reinforced concrete silo-shell structure to prevent radioactivity, and is the most important protected object in special condition.

114. Fukushima I-4's spent fuel alone, while in the reactor, had produced (over years, not in an instant) more than a hundred times more fission energy and hence radioactivity than both 1945 atomic bombs.

115. This conviction was based solely on the atomic nature of radioactivity.

116. In 1896, Henri Becquerel had inadvertently discovered radioactivity when he left some uranium ore in a drawer on top of an undeveloped photographic plate, on which the uranium left a "shadow."

117. The transportation and transformation of 14 C phenanthrene in a closed 'plant lava nutrient solution air' chamber system was studied by using radioactivity technology.

118. The unhealthful radioactivity in environment has increasingly been an interest problem.

119. Painful sex rigidity is a kind of paroxysmal sign with this common disease, expression is the whole body or pang of some limbs radioactivity has convulsion of sarcous rigidity sex.

120. Giant detectors built to look for a hypothetical form of radioactivity in which protons decay never found such a thing.

121. This example illustrates the great sensitivity of the radioactivity method.

122. Ernest Rutherford and Frederick Soddy were working out the nature of radioactivity.

123. In the measurement of low-level radioactivity, instead of Poisson distribution, a negative binomial distribution is proposed to denote the probability distribution of actual counts.

124. Conclusion It was succeed keys to treat and nurse of esophagitis of radioactivity.

125. The average outdoor radon level varies between 5 and 15 Bq/m3 [Radon radioactivity is measured in Becquerel (Bq).

126. Radioactivity came to light a century after the discovery of uranium when Henri Becquerel used uranium salts and photographic plates in the same experiment and found that one fogged the other.

127. Also be not of course say: Since radioactivity exists generally, harm degree does not have exact mensurable final conclusion, still talk about problem of stone material radioactivity to do what?

128. In practice it would be possible to measure radioactivity one thousand fold less than this.

129. The atomic bomb is characterized by the grave injuries caused by radioactivity.

130. Radioactivity such as that of strontium 90 causes health problems in people even at low levels.

131. Article 33 It is prohibited to discharge into the sea such wastes as oils, acid liquids, alkaline liquids, hypertoxic waste liquids and waste water with high or medium radioactivity.

132. RESULTS:1)The curable duration varied with radioactivity in quadratic polynomial mode, and decreased with the increase of the tumor size.