X-Rays (XR)
Ionization and heating by X-rays and cosmic rays
... to X-rays seems in ...for X-rays. X-rays mostly propagate along the radial direction and deposit heat at the place of their ...by X-ray heating indicated mass loss rates ...
27
Algorithms of the Femtoscope: KeV X Rays Cure Cancer While MeV X Rays Only Burn the Cells
... larger X-ray resonances among the DNA components [17] [18] [19] [20], having an energy threshold of 2146 eV according to NIST and 1992 eV according to Geant ...using X-rays is efficient only when ...
17
ABSORBED DOSE TO WATER DETERMINATION USING IAEA, HPA, NACP, AAPM, NCRP AND ICRU PROTOCOLS FOR 1.25 MEV GAMMA RAY 6 MV AND 10 MV X-RAYS: AN INTERCOMPARISON OF RESULTS WHEN IAEA WAS TAKEN AS A STANDARD PROTOCOL
... The types of electrometers used with these ionisation chambers to yield the readings (charge) are given in this table. To obtain these readings, for example in the 1.25 MeV Co-60 beam, experimental set-up as shown in Fig ...
7
THE EFFECTS OF X RAYS ON INSEMINATION AND SPERM RETENTION IN DROSOPHILA
... The effect of X rays on insemination success and retention of sperm during storage in inseminated females was studied by direct microscopic estimates of the relative fullness[r] ...
9
Discovery of X rays and its Impact in India
... an X- ray picture of metal objects (coins) before the discovery of X-ray by Roentgen but was unable to explain its ...of X-rays generated a huge interest world-wide including in India. ...
12
Biological Effects of X-rays on X-ray Technicians
... of X-rays) is a form of electromagnetic radiation have wavelength in the range of ...[1]. X-radiations have wavelength shorter than UV rays and longer than Gamma ...rays. ...
5
CROSSING OVER INDUCED BY X-RAYS IN DROSOPHILA MALES
... These tests show that in four cases the lethal was not at the point of crossing over in the chromosome which determined the composition of the variant fly.l The agreement of the l[r] ...
14
THE FREQUENCY OF TRANSLOCATIONS PRODUCED BY X-RAYS IN DROSOPHILA
... result in readily detectable effects of the genic disproportion also are not included, whereas all kinds of chromosome abnormalities as well as “point mutations” involving let[r] ...
29
THE INDUCTION BY X-RAYS OF HEREDITARY CHANGES IN MICE
... In the case of recessive visible mutations, over fifty percent of all treated chromosomes carried by F1 individuals are tested by the system of matings used.. In prev[r] ...
23
THE RELATION OF ATMOSPHERE TO BIOLOGICAL EFFECTS OF X-RAYS
... A bridge is formed if the two kinetochores become destined (presumably by chance if they are not close together) for opposite poles. I n these studies there has been some [r] ...
18
Some Developmental Effects of X Rays in Drosophila
... A few of the wings were affected as in the last group, but many of them appeared to be fairly normal; owing to the difficulty of expanding them, after dissecting the flies out of the pup[r] ...
17
The Determination With X-Rays of the Structures of Crystals
... units of structure previously given for cesium tri-iodide and the dibromo- iodide are not those actually possessed by these crystals; and (2) that the interpretation of the earlier o[r] ...
44
THE EFFECT OF X-RAYS UPON MUTATION OF THE GENE A IN MAIZE
... Successful extraction of a-XZ 01 a-X3 in cross (2) thus makes the production of their compounds with a-X1 a simple matter, but the extraction of the homozygotes requir[r] ...
31
THE EFFECTS OF X RAYS ON THE BRONZE AND SHRUNKEN LOCI IN MAIZE
... In testcross progenies of bz-x/Bz plants used as male parents, no bronze kernels were observed indicating that pollen grains containing bz-xl or bz-x2 either do... Apparently[r] ...
13
A water calorimeter for high energy X-rays and electrons
... The dose deposited in the calorimeter was calculated using the EGS4 user code DOSRZ% a code that calculates dose in regions with RZ geometry and which makes use of the PRESTA [39] electron transport algorithm. The DOSRZ ...
161
GENETIC EFFECTS OF X-RAYS AND CATHODE RAYS ON OOCYTES OF HABROBRACON
... It has been shown repeatedly that if well-fed virgin females are incu- bated at 30°C and restrained from oviposition by removing the caterpillars from the vials for overnight, oocy[r] ...
7
Soft X-Rays from the Cygnus Loop
... collimators were used to obtain the spatial mapping of the x-ray emission from the Cygnus Loop.. The construction and calibration details of these narrow field of[r] ...
226
THE RELATIVE EFFECTS OF X-RAYS, GAMMA RAYS AND BETA RAYS ON CHROMOSOMAL BREAKAGE IN TRADESCANTIA
... Further experimental work of a very tedious nature would be required to settle this point definitely, but from the present results some difference in the mechanism of [r] ...
14
ARE "PROGRESSIVE" MUTATIONS PRODUCED BY X-RAYS?
... treated flies were used as parents, the fourth, the nature of the cross used in the tests of the treated flies, the fifth and sixth, the numbers counted of female and male progen[r] ...
83
CHROMOSOME ABERRATIONS INDUCED BY X-RAYS
... The proportion of chromosome aberrations produced by different amounts of irradiation also indicates that some of the fusions may be caused by a single hit which breaks two adjac[r] ...
23