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1. ### phy-radiation

Alpha radiation has a low penetrating power, it is not strong enough to pass... to monitor the volume of milk in the box. Therefore, Beta radiation is suit ...

2. ### RADIATION 裡.................

...photon given out. This, of course, leads to a stronger radiation beam. The relation between the intensity of radiaiton and the activity is not...

3. ### Frequency of Radiation

... the speed of electromagentic wave be 3 x 10^8 m/s Hence, frequency of radiation = 3x10^8/(3/100) Hz = 10^10 Hz = 10 billion Hz 2014-07-24 17...

4. ### Radiation傳熱一問

radiation係指以electromagetic(EM) wave電磁波傳播能量 所謂EM wave係由electric field...

5. ### radiation absorption problems

...the contrary, if the inner surface is also painted black, heat transfer by radiation would become more effective. The temperature of air inside the box ...

6. ### Radiation of the cell-phone(mobile phone)

Recently, it is said by biologists that radiation of cell-phone will kill male gametes and reduce semen concentration. ...

7. ### 有關radiation(colour)

...可能吸收多d太陽的熱力 所以可以保暖 2:熱茶因為比出面的環境熱所以能量會藉radiation 向surrounding 散失. 而白色是poor emit 所以能夠減少能量向4周散失... ...

8. ### 退出前倒數最後五個發問 ~ conduction , convection 和 radiation 有何分別？

...convention) 3) 2006-12-16 20:24:43 補充： http://www.freewebs.com/3s1physics/radiation.htm

9. ### 熱學Radiation

Wearing black cloths could lose heat betterthan white clothes is true if and only if you are staying in an environment at temperature lower than your body ...

10. ### About infrared radiation

Fever is a reaction to invaders. When your immune system is fully charged up against a disease, it requires a lot of energy to produce fire arms e.g. white ...

分類：科學及數學 > 生物學 2006年11月22日