Abstract: A method for radiotherapy treatment of a target organ in the vicinity of the rectum in an individual comprises withdrawing the rectum in a dorsal direction to increase a distance between the rectum and the target organ, and administering a therapeutical dose of radiation to the target organ while the rectum is in the withdrawn position. In one embodiment, the target organ is the prostate. A system for use in radiotherapy treatment of a target organ in the vicinity of the rectum in an individual comprises a cylindrical rectal rod adapted for insertion into a rectum of the individual, and a support surface operable to support an individual in a lithotomy position to receive a beam of radiation to the target organ. The system may further include a radiation source for administering a beam of radiation to the target organ of an individual.

Abstract: A method for radiotherapy treatment of a target organ in the vicinity of the rectum in an individual comprises withdrawing the rectum in a dorsal direction to increase a distance between the rectum and the target organ, and administering a therapeutical dose of radiation to the target organ while the rectum is in the withdrawn position. In one embodiment, the target organ is the prostate. A system for use in radiotherapy treatment of a target organ in the vicinity of the rectum in an individual comprises a cylindrical rectal rod adapted for insertion into a rectum of the individual, and a support surface operable to support an individual in a lithotomy position to receive a beam of radiation to the target organ. The system may further include a radiation source for administering a beam of radiation to the target organ of an individual.

Abstract: A method is provided for controlling the amount of oxidizing bleaching agents in liquors used within the cellulose industry, as in the bleaching of sulphite, sulphate, mechanical, chemimechanical, semichemical or similar cellulose pulps, and in related industries, and particularly for controlling the addition of oxidizing bleaching agents to the system during the bleaching of cellulose pulp by mixing such liquor with at least one chemiluminescent reagent which reacts with the oxidizing bleaching agents in a manner to emit light. The amount of oxidizing bleaching agents in the liquor is then determined by comparison of the light intensity thus obtained with the light intensity for previously measured calibration values corresponding to known quantities of such oxidizing bleaching agents, and then from such determination controlling the addition of such oxidizing bleaching agents to the liquor.