Certain conditions are necessary for organic material to fossilize.

有机物使成化石需要特定的条件。

And macromolecular clumps of organic material called kerogen.

最后是一种叫做油母质的大分子化合物。

Fungi also play a central role in degrading organic material.

在降解有机材料方面真菌同样有很重要的作用.

It is usually made out of organic material like crop waste.

通常是用有机材料，比如农作物废料。

The images also will show the amount of organic material in the soil.

同时这些图还会显示土壤里有机物质的量.

Two layers of organic material are sandwiched between two conductors. When a current passes from the cathode to the anode a bright light is produced by the organic material

两层有机物质层夹在两层导体之间。

Or the organic material will be transformed by heat into a non-hydrocarbon black carbonaceous material of no value.

否则有机物质就会遭热力作用而转化成毫无价值的非碳氢化合物——黑色含炭物质。

This step breaks down the organic material to usable-sized molecules such as sugar.

此步骤将有机物质分解为可以使用的分子，例如糖。

The soil should be full of loam, a mixture of sand, silt, clay and organic material.

土壤应该富含肥土, 混合砂, 淤泥, 泥土和有机物质.

This step breaks down the organic material to usable - sized molecules such as sugar.

此步骤将有机物质分解为可以使用的分子,例如糖.