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18. other, rather exotic ideas, such as the use of nuclear spin isomerism and electrostatic acceleration of deuterium ions to produce a high flux of neutrons, remain even more speculative.
18. 其他相当离奇的想法包括利用核自旋异构办法和静电加速氚离子办法来产生高中子通量,这些想法仍然是更为推测性的。
"neither beryllium nor deuterium in hydrogenous material enriched in deuterium shall be present in quantities exceeding 1% of the applicable consignment mass limits provided in table 6.4.11.2 ".
"在富含氘的氢材料中,无论是铍或氘的含量均不得超过表6.4.11.2中规定的适用托运货物重量限制的0.1%; "