Are the changes to production processes assessed?此处前为主句,后为目的状语,状语里的confirm又带了一个宾语从句.to confirm that the desired effect has been achieved without adversely effecting product quality?
试译： 请问对产品生产过程的一些修改是否经过了评估,以保证（这些修改）在取得了预期效果的同时没有对产品质量产生负面影响.