建立了微波萃取-紫外分光光度分析火场燃烧残留物的方法。
A method for analysis of the burning residue at fire scene was established by ultraviolet spectrophotometry combined with microwave-assisted extraction.
如果这种燃烧残留物是在洞穴之中,将更有可能和人类活动有关。
Such heated remains would be more clearly linked to humans when found in caves.
萨普克塔说,不难想象烟草产品含有的多种细菌可以和燃烧烟草产生或者残留的致癌物质和有毒物质相抗衡。
Sapkota says that it's not hard to imagine that the number of germs hosted by tobacco products could rival that of the carcinogens and other poisons residing in or produced by burning tobacco.
然而有专家怀疑并没有科学证据证明所有有害的武器残留都已消除,特别是其燃烧产物。
That has been questioned, however, by one expert, who pointed out that there was still no scientific proof that all harmful traces of the weapons have been removed, particularly after they were burnt.
如果一颗有如此大的质量、甚至更大质量的恒星发生超新星爆炸,它会在燃烧后留下质量相当大的一些恒星残留物。
If a star that massive or larger undergoes a supernova explosion, it may leave behind a fairly massive burned out stellar remnant.
另外,由于模压而成的产品各个部件的内外表面平整光滑,不必进行批刮腻子等工序,故燃烧后只残留极少的灰烬。
Moreover, as the parts being pressed have smoothly internal and external wall surfaces and do not need to do leveling or other operations that little ash is left after burning.
另外,由于模压而成的产品各个部件的内外表面平整光滑,不必进行批刮腻子等工序,故燃烧后只残留极少的灰烬。
Moreover, as the parts being pressed have smoothly internal and external wall surfaces and do not need to do leveling or other operations that little ash is left after burning.
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