查询词典 fission

The spontaneous fission is primary factor restricting numbers of transuranium elements .

超铀元素的存在受到诸多因素的限制，而自发裂变是限制超铀元素数目的最主要因素，从自发裂变限制方面分析，超铀元素的存在界限大体在Z＝120号元素以内。

Through the age analysis on apatite and zircon fission track, there have five stages of tectonic movements, respectively occurred in late Trias, from mid-late period in early Cretaceous to late Cretaceous, Eocene, Oligocene and Miocene.

通过对盆地内磷灰石和锆石年龄分析，焉耆盆地存在5期构造运动：晚三叠世、早白垩世中晚期-晚白垩世、始新世、渐新世和中新世。

Usually, concentration of fission product monitors ~(137)Cs and ~(148)Nd are measured experimentally, from which burnup of irradiation fuel element can be derived.

通过实验测得反应堆停堆时刻裂变产物~(137)CS、~(148)Nd等监测体的浓度值，进而推算出辐照燃料元件的燃耗值是通常采用的方法。

In addition, we found that 4-phenyl-l,2,4-triazolinium N-ylides reacted withvarious electron-deficient olefins to afford pyrrole derivatives in good yields via 1,3-dipolar cycloaddition oxidative ring fission, In some cases, tetrahydropyrrolo[1,2-b]triazole and pyrrolo[1,2-b]triazole, which are stable and are not aromatized orcleaved in the reaction conditions, could be isolated, This is a facile and novel route forthe synthesis of pyrrole derivatives.

此外，本文研究了五员三氮杂环化合物4-苯基1，2，4-三氮唑的N-叶立德，发现在氧化剂存在下与缺电子烯烃发生1，3-偶极环加成反应生成的吡咯并[1，2-b]三氮唑，在大多数情况下开环生成吡咯衍生物，反应条件温和，收率良好，是合成吡咯衍生物的一个新的途径。

Atomic fission would no longer be hidden in the cloisters of the theoretical physicists' dreams.

原子裂变再也不是隐蔽在理论物理学家梦想的回廊。

As a result of the earth's crust change,this mainland a bigger fission and the drifting phenomenon whichoccurs in the Jurassic Period, finally causes the environment and theclimate change, the dinosaur therefore exterminates.

由于地壳变化，这块大陆在侏罗纪发生的较大的分裂和漂移现象，最终导致环境和气候的变化，恐龙因此而灭绝。

The tortoise furls slowly neck, with it innocent eye looks at me, spit a tongue to lick chin, fission mouth laughed.

乌龟慢慢地卷起脖子，用它无辜的眼睛看着我，吐出舌头舔了舔下巴，裂开嘴巴笑了。

Lives in a book has such section of speeches Immediately': The most people's personality all is the fission, in our body at least has two hostile enemies, wants to retire the wooded mountain to plant the tomato, another actually wants to become the extraordinary personality statue which prostrates oneself the person.

活在当下》一书有这么一段话：多数人的人格都是分裂的，我们的身体里至少有两个敌对的敌人，一个想要退隐山林种番茄，另一个却想成为一尊受人膜拜的伟人雕像。

Fission Slime - an off-shoot of the slimes and molds, this particular slime will split into new and independent creatures when hit.

融合史莱姆-史莱姆及黏怪的旁支，这种特别的史莱姆被击中时会分裂成新的独立生物。

In the medical isotope reactor to separate and purify the medical isotope 99Mo and 131I, the reactive heat is constantly generated in the process of reaction, associated with the production of fission gas. In order to control the average temperature (usually≤80℃) of the reactor to prevent the sample from volatilizing, the cooling system of the reactor need to be designed carefully.

在使用医用同位素反应堆分离提纯医用同位素99Mo和131I时，由于反应过程中会不断产生热量并伴随裂变气产生，为了控制堆内平均温度(通常≤80℃)以使样品不致挥发，这就需要精心设计反应堆的冷却系统。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。