Or the organic material will be transformed by heat into a non-hydrocarbonblack 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。
2
This paper deals with the formation conditions of black shales on the basis of analyzing such items as the component of chloroform bitumen "A" and the gas_facies chromatogram of saturated hydrocarbon.