How to Use "accidence" with Example Sentences

1. Analysis of a chronic n-hexane poisoning accidence in printing workers .
2. This accidence is the latest in a series of u.s. election scandals .
3. The accidence and syntax of mongolian is quite different from english and chinese , so the work can not imitate foreign research results , and it is necessary to study the classification system of the mongolian language .
4. I have learnt some knowledge of it in accidence .
5. One of his eye hurt in an accidence , but after a high difficultful operation , he recover fast .