发表的论文被接收了

百度一下，在知网搜一下，。最贵的是文献查新查重机构花很多钱查一查

可以加，但是得跟编辑联系才行，给你proof的时候上面会讲的有些是可以直接在proof上加即可，但是有的上面会讲明不能更改authership，如果要改需要跟编辑联系

可以证明啊，录用通知上有作者名称、论文名称及期刊名称，还有期刊单位盖章，可以用的。——上师文化传媒【图书出版】。

1.现在学术的都是需要花钱上了。而一般的报纸杂志都是您的东西得到这些报纸杂志的认可，被录用后，会有一定的稿费。1. 学术论文一般都是评职称用的；普通报纸杂志上有文章发表可能对那些职称啥的也有一定的帮助，但是评职称什么的基本都需要一些学术性质的论文。3.普通报纸杂志是在大众社会普遍流传，而学术论文其实就是在一定的圈子内流传。很多人会买报纸杂志回家看，学术论文大概只有需要的人才会去理解和走进。(*^__^*) 嘻嘻……。个人观点。

有些是可以直接在proof上加即可，但是有的上面会讲明不能更改authership，如果要改需要跟编辑联系，讲清楚为什么加的原因，新的authership是怎么样的。一般主编会要求：要加的话需要所有人签字发扫描件！格式可以参考下面：Dear Editor,Our manuscript was recently accepted to be published by the Journal of xxx without revision. We are very glad to have a chance to publish in this Journal, and that we thank very much for your help in handling our manuscript. However, we are aware that the author list is not complete. Our colleague, xxx, has indeed contributed significantly to this manuscript by (work he done)...., which we carelessly overlooked. We would just like to know whether it is possible to amend the author list now and have him added as one of the coauthor. We would be happy to resubmit the copyright agreement if necessary. Please kindly consider our case and inform us how to proceed.Thank you very much.

只能找有关录用方， 或是找人托关系去有关录用方打听打听。