Abstract: The present invention discloses a rope winder, which is used for salvaging or hoisting a petroleum instrument via a rope; the rope winder comprises: a rack, and a winding drum set on the rack for releasing and retracting a rope; a first turning wheel, which is set on the rack and is located on a rope releasing and retracting line of the winding drum, wherein the wheel rim of the first turning wheel has a first groove, which fits the rope to rotate synchronously as driven by the rope; an electronic counter, which is connected with the first turning wheel, for obtaining the number of revolutions of the first turning wheel; a calculating unit, for calculating the release distance and release speed of the rope according to the number of revolutions of the first turning wheel; a speed regulating unit, for regulating the rotating speed of the winding drum to regulate the release speed; and a first control unit, for controlling the speed regulating unit to regulate the release speed to a preset safe speed when the r

Abstract: Detectably-labeled compounds of formula (I) wherein A,B,C,D,E,F,R,X,Y and Z have any of the meanings given in the specification, and their pharmaceutically acceptable salts, are useful in competitive assays to assay for the presence of 2 receptors. Also disclosed are pharmaceutical compositions containing such a compound of formula (I), methods for their use and intermediates useful for preparing such compounds of formula (I).

Abstract: The invention provides detectably-labeled compounds of formula (I): ##STR1## wherein A, B, C, D, E, F, R, X, Y and Z have any of the meanings given in the specification, and their pharmaceutically acceptable salts, are useful in competitive assays to assay for the presence of .sigma.2 receptors. Also disclosed are pharmaceutical compositions containing such a compound of formula (I), methods for their use and intermediates useful for preparing such compounds of formula (I).