Converting apache rewrite rules to nginx

Hi,

Please can anybody help me converting following apache rewrite rules to nginx?

RewriteRule ^(MyResearch)/([^/]+)/(.+)$ index.php?module=$1&action=$2&id=$3 [B,L,QSA]
RewriteRule ^(Record)/([^/]+)/(.+)$ index.php?module=$1&id=$2&action=$3 [B,L,QSA]
RewriteRule ^(Record)/(.+)$ index.php?module=$1&id=$2 [B,L,QSA]
RewriteRule ^([^/]+)/(.+)$ index.php?module=$1&action=$2 [B,L,QSA]