The Single Best Strategy To Use For 宿霧語�?學校

For the 1st two reactions it truly is calculated as (Efus-Ech)/Efus. For the last two reactions, where by this calculation would give zero, the values quoted are tough estimates determined by facet reactions that develop neutrons within a plasma in thermal equilibrium. keV Vitality, a system generally known as Bremsstrahlung.|If a star contained just 5% of fusible hydrogen, it will suffice to explain how stars received their Strength. (We now know that most 'regular' stars contain far more than 5% hydrogen)|Being an Strength resource, the method is the one fusion power system that might be shown to operate making use of current technological know-how. Nonetheless it would also demand a significant, constant provide of nuclear bombs, creating the economics of this kind of technique instead questionable.|Research into establishing controlled thermonuclear fusion for civil reasons commenced in earnest in the 1950s, and it carries on to today.|The one other known plausible source of Vitality was conversion of subject to energy; Einstein had proven some yrs before that a small quantity of subject was such as a large amount of click here Vitality.|履約 履约 [lu:3 yue1] /to help keep an guarantee/to help keep an appointment/to honor an arrangement/to observe economy/}

like a purpose of temperature in a tool with a selected energy confinement time is discovered by taking into consideration the Lawson criterion. This is often an extremely demanding barrier to website overcome on Earth, which describes why fusion exploration has taken many years to reach The here present Innovative complex point out.[eleven]

�??�其??徒有?�名 [tu2 you3 qi2 get more info ming2] /by having an undeserved popularity (idiom): unwarranted fame/nowhere close to as good as he is check here created out for being/

For the temperatures and densities in stellar cores the rates of fusion reactions are notoriously slow. By way of example, at photo voltaic Main temperature (T ??fifteen MK) and density (a hundred and sixty g/cm3), the energy release rate is just 276 μW/cm3?�about a quarter of the volumetric price at which a resting human physique generates heat.[25] Hence, replica of stellar Main ailments inside of a lab for nuclear fusion energy manufacturing is totally impractical.

�?�?[shi4] /home/perform device/grave/scabbard/family or clan/among the list of 28 constellations of Chinese astronomy/

心腸 心肠 [xin1 chang2] /coronary heart/intention/1's inclination/condition of intellect/to get the center for sth/temper/

�?�?��?�力,老大徒傷??少壮不努?�,?�大徒伤??[shao4 zhuang4 bu4 nu3 li4 , lao3 da4 tu2 shang1 bei1] /if you are lazy in your key, You will be sorry with your previous age/

嫡系 嫡系 [di2 xi4] /immediate line of descent/beneath one's particular command/college or faction passing on faithfully a person's doctrine/

強直?�脊?�炎 强直?�脊?�炎 [qiang2 zhi2 xing4 ji3 zhu4 yan2] /ankylosing spondylitis/Bechterew?�s disease/}

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