Design of radiation therapy for Mary's cancer treatment • Goal: select best combination of beams and their intensities to generate best possible dose distribution • Dose is measured in kilorads TABLE 3.7 Data for the design of Mary's radiation therapy Fraction of Entry Dose Absorbed by Area (Average) Area Healthy anatomy Critical tissues Tumor region Center of tumor Beam 1 0.4 0.3 0.5 0.6 Beam 2 0.5 0.1 0.5 0.4 Restriction on Total Average Dosage, Kilorads Minimize ≤ 2.7 <=6 ≥ 6

Design of radiation therapy for Mary's cancer treatment • Goal: select best combination of beams and their intensities to generate best possible dose distribution • Dose is measured in kilorads TABLE 3.7 Data for the design of Mary's radiation therapy Fraction of Entry Dose Absorbed by Area (Average) Area Healthy anatomy Critical tissues Tumor region Center of tumor Beam 1 0.4 0.3 0.5 0.6 Beam 2 0.5 0.1 0.5 0.4 Restriction on Total Average Dosage, Kilorads Minimize ≤ 2.7 <=6 ≥ 6

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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The Dahlia Medical Center has 31 labor rooms, 18 combination labor and delivery rooms, and 5 delivery rooms. All of these facilities operate around the clock. Time spent in labor rooms varies from hours to days, with an average of about a day. The average uncomplicated delivery requires about one hour in the delivery room. The average time in a combination labor-delivery room is about 24 hours. During an exceptionally busy three-day period, 109 healthy babies were born at Dahlia Medical Center. 60 babies were born in separate labor and delivery rooms and 49 were born in combined labor and delivery rooms. Which of the facilities (labor rooms, combination labor and delivery rooms, or delivery rooms) had the greatest utilization rate? had the highest utilization rate of %. (Enter your response as a percent rounded to two decimal places.) The combination labor and delivery rooms labor rooms delivery rooms
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