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升华产物

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The results show that the atmosphere has a big influence on the thermal stability of C_(60).C_(60) begins to decompose at 423.5℃in the air,the deomposed peak temperature is 668.5℃,but very stable in the helium atmosphere,only sublimate,the crystal shape of C_(60) has a certain influence to its thermal stability.The synthesized nine kinds of nitro-fullerene derivatives all have good thermal stability and their decomposed peak temperatures all exceed 350℃.The thermal explosion temperature for 5 seconds delay of product 4 is 253℃.The category,number and position of nitryl group in nitro-fullerene derivatives all have influence on their thermal stability.

利用差热分析仪和DSC-TG综合热分析仪对C_(60)及其硝基衍生物的热稳定性进行了研究,结果表明,环境气氛对C_(60)热稳定性影响很大,C_(60)在空气中423.5℃开始分解,放热峰值温度为668.5℃,在氦气中很稳定,仅表现为升华,C_(60)的晶型对其热稳定性也有一定的影响;合成得到的九种硝基富勒烯衍生物都具有较好的热稳定性,分解峰值温度均高于350℃;产物4的5秒爆发点测试结果为253℃。

The m in eral can be found in hot spr in g deposit and as a volcanic sublimate product.

这种矿物可以在温泉的沈淀物中找到,它也是火山的升华产物

The mineral can be found in hot spring deposits and as a volcanic sublimate product.

这种矿物可以在温泉的沉淀物中找到,它也是火山的升华产物

The sublimation mechanism is that the reaction product vinyl acetate acts with Zn2 to produce a volatilizable complex,then sublimates to gas phase.

升华机理是反应产物与Zn2作用生成挥发性络合物再升华到气相中去。

The results show that compound 1 combusts, decomposes, sublimates and loses weight simultaneously at 258℃ in oxygen, and the heat emitting from the combustion is far greater than that absorbed by sublimation.

结果表明,在氧气气氛下,三(2,4-戊二酮)合铱在258℃时开始燃烧分解,并伴随著升华失重,燃烧释放的热量远大于升华所需的热量,气相中的主要分解产物为2,4-戊二酮、二氧化碳和 2,5-二甲基-3-乙酚基映喃等。

This kind really calls the characteristic development of instrumental music music of Jing De-zhen, distils instrumental music culture and culture of the porcelain to the result that is combined.2 is the concrete analysis part to the works partly.

这种真正将器乐文化与瓷文化向结合的产物称为景德镇器乐音乐特色的发展、升华。

推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。