CNG is made by compressing natural gas (which is mainly composed of methane, CH4), to less than 1 percent of the volume it occupies at standard atmospheric pressure. It is stored and distributed in hard containers at a pressure of 20â25 MPa (2,900â3,600 psi), usually in cylindrical or spherical shapes.
Definition of chromophore - an atom or group whose presence is responsible for the colour of a compound. Definition of chromophore - an atom or group whose presence is responsible for the colour of a compound.
Noun. 1. chloroplast-plastid containing chlorophyll and other pigments; in plants that carry out photosynthesis. plastid-any of various small particles in the cytoplasm of the cells of plants and some animals containing pigments or starch or oil or protein. Translations. [ËklÉËrÉÊËplaest] ËklÉËrÉÊËplÃ¦st (N) â bot. cloroplasto