Article Takedown/Update Request

This is an update request for the document 利用场发射显微镜研究表面吸附 by 张兆祥, 王逊, 富文范 and 陈宝福

Your paper was deposited in Institutional Repository of Peking University and appears online at
Before we are able to make any updates or deletions, you must ensure that the original record at this location is updated/removed.

Name

Update request

I am the copyright holder of the document

Do you have the confirmation of all authors of the document to make this request?

Is the document Open Access?

Is the document available at the original source?

Any Additional Information?

Captcha