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发帖数: 1798 | 1 FOR IMMEDIATE RELEASE
National Academy of Engineering Elects 66 Members and 10 Foreign Associates
WASHINGTON — The National Academy of Engineering (NAE) has elected 66 new m
embers and 10 foreign associates, announced NAE President Charles M. Vest to
day. This brings the total U.S. membership to 2,254 and the number of forei
gn associates to 206.
Election to the National Academy of Engineering is among the highest profess
ional distinctions accorded to an engineer. Academy membership honors th... 阅读全帖 |
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发帖数: 19471 | 2 market sentiment changed since friday afternoon. market is now showing resil
liance to bad news. so far this week, volume patterns have been quite bullis
h although prices haven't improved much. |
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发帖数: 19398 | 3 Amazon.com to collect IL sales tax
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From The Chicago Tribune, Friday, January 23, 2015. See http://my.chicagotri
bune.com/#section/-1/article/p2p-82613699/
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Amazon to start collecting Illinois sales tax
By Alexia Elejalde-Ruiz
Amazon.com will start collecting sales tax from Illinois shoppers starting F
eb. 1, the e-commerce giant confirmed Friday, in compliance with a new state
law.
The law, which went into effect Jan. 1, requires out-o... 阅读全帖 |
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发帖数: 39 | 4 I believe you are talking about 3D-CRT, the conventional radiation therapy.
Yes, in the old time without IMRT, there is no need for large amount of
medical physicist. However, people are using IMRT or lianc based SBRT/SRS,
or even Cyber-knife, the need for medical physicist becomes huge. In theory,
for 1 prescription, there could be a thousand IMRT plans, depending on the
experience or habits ot the physicist/dosimetrist. The dose delivery is
never unique. In addition, radiation safety becomes m |
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