نتایج جستجو برای: bomb
تعداد نتایج: 3654 فیلتر نتایج به سال:
Accumulated DNA damage in hematopoietic stem cells is a primary mechanism of aging-associated dysfunction in human hematopoiesis. About 70 years ago, atomic-bomb (A-bomb) radiation induced DNA damage and functional decreases in the hematopoietic system of A-bomb survivors in a radiation dose-dependent manner. The peripheral blood cell populations then recovered to a normal range, but accompanyi...
The precise number of sealed sources in use is unknown because many countries do not systematically account for them. However, nearly 10 million sealed sources exist in the United States and the 49 countries responding to a GAO survey. There is also limited information about the number of sealed sources that have been lost, stolen, or abandoned, but it is estimated to be in the thousands worldw...
Since the atomic bomb explosions in Hiroshima and Nagasaki, high incidences of leukemia, thyroid cancer and other tumors have been reported as atomic bomb-induced tumors. We investigated the incidence of meningioma among Hiroshima atomic bomb survivors. Sixty-eight patients surgically treated for meningioma who had been within 2.0 km of the hypocenter of the explosion were identified. Six hundr...
The late effects of exposure to atomic bomb radiation on cancer occurrence have been evaluated by epidemiological studies on three cohorts: a cohort of atomic bomb survivors (Life Span Study; LSS), survivors exposed IN UTERO : , and children of atomic bomb survivors (F1). The risk of leukemia among the survivors increased remarkably in the early period after the bombings, especially among child...
Atomic bomb survivors outside of Japan are few and often hard to follow-up. Spinal malignant lymphoma among these survivors is rare in established studies from Japan or the United States. Here, we report an 81-year-old woman, who experienced the atomic bomb explosion in Nagasaki when she was 19 years old, who presented with papillary thyroid carcinoma when she was 70 years old. Both follicular ...
CĂlem vĂ˝zkumnĂŠ studie bylo prozkoumat postoje ke scĂŠnĂĄĹi tikajĂcĂ bomby a vliv oboru studia, pohlavĂ, vĂry mĂry jistoty, Ĺže zadrĹženĂ˝ vĂ relevantnĂ informace. VĂ˝zkum byl provĂĄdÄn pomocĂ kvantitativnĂ metodologie sbÄru dat byla pouĹžita ÄĂĄst dotaznĂku od WorldPublicOpinion.org vlastnĂ konstrukce. na vysokoĹĄkolskĂ˝ch studentech respondenti byli vybĂrĂĄni nepravdÄpodobn...
Is it possible to get a sensible answer from a computer without even running a program? Yes indeed, report Hosten et al. on page 949 of this issue— and they have the experimental proof. The thread that leads thus far has its origin in the early 1990s, with the introduction of a quantum paradox known as the Elitzur–Vaidman bomb thought-experiment. They showed that by sending a photon into a simp...
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