回複：回複：回複：跪謝，請大家幫我看看我的case(NIW)

As you understand, your case is weak. The only strong point I see now is your research field. If you can get very strong supporting letter, you have chance. And you need a real good layer.

Regarding the publication, the immagration officers are eager to see the impact of your research. If you don't have any peer-reviewed publication, it's hard to persuade them.