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.
A trochophore is a type of larva found in marine plankton. It belongs to animals of several related phyla, in the superphylum lophotrochozoa.They have two or more bands of cilia. By moving their cilia rapidly, a water eddy is created.In this way they control the direction of their movement. Also, in this way they bring their food closer, to capture it more easily.hey have two or more bands of cilia. By moving their cilia rapidly, a water eddy is created. In this way they control the direction of their movement. Also, in this way they bring their food closer, to capture it more easily.