The absorption curve is ( ). A: The curve of the relationship between the concentration of light-absorbing substance and absorbance. B: The curve of the relationship between the concentration of light-absorbing substance and transmittance. C: The curve of the relationship between the wavelength of incident light and the thickness of light-absorbing substance solution. D: The curve of the relationship between the wavelength of incident light and the absorbance of a light-absorbing substance.

Water is a kind of chemical substance.

Living organisms contain more water _________ substance.

Gibbs energy depends on the number and chemical potential of the substance.

The passage implies that cellulose is a very porous substance because it contains______. A．a substance that creates pressure B．millions of tiny holes C．a substance that dissolves it D．liquid medicine

The physical properties are those properties of a substance that can be observed with changing the substance into other substances.

Plasma clearance is referred to Renal clearance of a substance is the volume of plasma that is completely cleared of the substance by the kidneys per ______ .

The physical properties are those properties of a substance that can be observed with changing the substance into other substances. A: 正确 B: 错误

Which of the following () may not be interested in science and technology A: The substance facing a resource shortage B: The substance with an increasing uses C: The substance whose anthropogenic flow is closely related to other substances D: None of the above

substance的词性是: