Abstract: A logical toy containing movable and/or rotatable elements or element groups, the path of motion or axis of rotation thereof, including sensors staying in an actuating forced connection directly or through a mechanic transmission. One or two circuit switches are suitable for closing and opening the path of electric, magnetic or optical signals, which form, individually or in groups, one or more logical nets serving as signal transmitters. The outputs thereof are connected directly through mechanic connecting elements (4, 5, 9, 11) to an electric counter (2). The sensors, i.e. the signal transmitters (1) containing the sensors, can be connected to an electronic chronometer (6). One or more axes of the toy are hollow or tubular, and the sensors and/or their leads are arranged in the inside of the tubular axes (22) and/or in the hollow of the center-plate elements (18).

Abstract: A process for the underground gasification of coal and carbonaceous materials in makes the customary lengthy preliminary task of establishing an underground interconnection between wells and cavities unnecessary. Instead, according to the invention, the circulation of gasifying agents and product gases is between one or more wells and the boundary of an underground generator (i.e. cavity system) through a reaction zone in the generator.

Abstract: Compounds of formula: ##STR1## in which R.sub.1 represents a hydrogen or halogen atom, an alkyl group containing from 1 to 4 carbon atoms, an alkoxy group containing from 1 to 4 carbon atoms or a nitro group;R.sub.2 and R.sub.3 are the same or different and represent a linear alkyl group having from 1 to 12 carbon atoms, a branched alkyl group having from 3 to 12 carbon atoms, a substituted or unsubstituted aromatic radical containing from 6 to 12 carbon atoms, or forming together with the carbon atom to which they are linked a substituted or unsubstituted cycloalkylene radical, having 3 to 12 carbon atoms; andR.sub.4 represents an alkyl group having from 1 to 4 carbon atoms.These compounds are systemic fungicides, antisporulants and sterilizers of acaridae eggs.

Abstract: Heterocyclic compounds of the general formula: ##STR1## wherein: R.sub.1 represents alkyl, haloalkyl, alkenyl, haloalkenyl, arylalkyl, arylhaloalkyl, cycloalkyl, halocycloalkyl, aryl, haloaryl, alkoxyalkyl or haloalkoxyalkyl;X.sub.1 is chlorine, bromine, or fluorine;X.sub.2 and X.sub.3 are hydrogen, chlorine, bromine or fluorine;A represents oxygen or sulphur, S-O ##STR2## or N-R.sub.8 ; R.sub.8 is hydrogen, alkyl, haloalkyl, hydroxyalkyl, alkoxyalkyl, arylalkyl, aryl or ##STR3## B represents ##STR4## m is 0, 1 or 2; n and p are 0 or 1;R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R'.sub.2, R'.sub.3, R'.sub.4, R'.sub.5 are the same or different and are hydrogen, alkyl, alkoxyalkyl, haloalkyl, or hydroxyalkyl;and Y and Z are the same or different and are hydrogen, halogen, alkyl or alkoxy.These compounds are used as antidotes against herbicides.

Abstract: Compounds of the formula: ##STR1## in which R.sub.1 represents a hydrogen or halogen atom, an alkyl group containing from 1 to 4 carbon atoms, an alkoxy group containing 1 to 4 carbon atoms or a nitro group,R.sub.2 represents an alkyl group containing from 1 to 4 carbon atoms,R.sub.3 represents a hydrogen atom or an alkyl or haloalkyl group containing from 1 to 4 carbon atoms,R.sub.4 represents an alkyl, haloalkyl, arylalkyl or arylhaloalkyl group containing from 1 to 12 carbon atoms,At least one of the groups R.sub.3 and R.sub.4 being a halogenated group.These compounds are systemic fungicides, antisporulants and sterilizers of acaridae eggs.