Gases are not like solids ___ they have the finite volume.
Gases are not like solids ___ they have the finite volume.
Liquids are like solids _____ they have a definite volume.
Liquids are like solids _____ they have a definite volume.
The concentration of total dissolved solids in the water of an auxiliary boiler can increase as a result of （）.
The concentration of total dissolved solids in the water of an auxiliary boiler can increase as a result of （）.
A simple rule to remember is ______ liquids are to the right and solids are to the left. A: which B: that C: what
A simple rule to remember is ______ liquids are to the right and solids are to the left. A: which B: that C: what
Why we shouldn't release wastewater into the environment? A: It contains suspended solids and chemicals that affect the environment. B: because it is dirty.
Why we shouldn't release wastewater into the environment? A: It contains suspended solids and chemicals that affect the environment. B: because it is dirty.
If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, the A.oil has a tendency to emulsify in the bowl B.purifier will act as a clarifier at the discharge ring C.oil will be lost through the water discharge ports D.oil solids will be deposited only at the intermediate top disk
If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, the A.oil has a tendency to emulsify in the bowl B.purifier will act as a clarifier at the discharge ring C.oil will be lost through the water discharge ports D.oil solids will be deposited only at the intermediate top disk
Which of the following statements is false: ( ) A: Suspended solids are unstable and can be easily removed from the water. B: The colloidal particles are usually charged by adsorbing ions. C: The sizes of dissolved matters are less than 1 nm. D: The pollution of natural water only comes from the natural environment.
Which of the following statements is false: ( ) A: Suspended solids are unstable and can be easily removed from the water. B: The colloidal particles are usually charged by adsorbing ions. C: The sizes of dissolved matters are less than 1 nm. D: The pollution of natural water only comes from the natural environment.