This process is termed "replacement" because solutions have dissolved the original material and replaced it with an equal volume of the new substance.

这个过程被称为“置换”，因为溶液溶解了原来的物质，并用等量的新物质取而代之。

youdao

In the case of a physical change no new substance is formed.

就物理变化来说，没有新的物质产生。

youdao

In the case of a physical change no new substance is formed.

就物理变化来说，不会产生新的物质。

youdao

After talks on Wednesday, France's ambassador said they were starting to negotiate on the substance of possible new measures.

VOA: special.2010.04.17

The new substance wasn't even on the IOC's list of banned drugs.

FORBES: Magazine Article

Only one new musical of substance opened in New York this year: "Giant, " a masterly stage adaptation by Michael John LaChiusa and Sybille Pearson of Edna Ferber's 1952 blockbuster novel, which came to the Public Theater after runs in Arlington, Va.

WSJ: Teachout's Best of 2012 Includes Salesman, A Little Night Music

The meeting raised no new issues of substance that had not previously been discussed between the FIA and Government and therefore no formal minute was made.

BBC: You are in: UK