Abstract: A process is provided for the production of porous non-evaporable getter materials comprising at least one first element selected from Zr and Ti and at least one second element selected from V, Cr, Mn and Ni. The starting metal powders are produced by reduction of the corresponding oxides, with calcium hydride and the thus obtained powders are compacted and sintered at a value of pressure and temperature in a given range. The getter materials due to the production process, have a novel distribution of chemical composition through the getter body, resulting in an improved combination of mechanical and gas-sorption properties.

Abstract: It is described a process for the production of porous non-evaporable getter materials comprising at least one first element selected between Zr and Ti and at least one second element selected among V, Cr, Mn and Ni, wherein the starting metal powders are produced by reduction with calcium hydride of the corresponding oxides and the thus obtained powders are compacted and sintered at a value of pressure and temperature in a given range; also described are getter materials that, due to the production process, have a novel distribution of chemical composition through the getter body resulting in an improved combination of mechanical and gas-sorption properties.

Abstract: Substitued 6H-1,3,4-thiadiazin-2-amines of the following general formula: wherein Ar is phenyl optionally substituted with one or more chloro, bromo atoms, C1-C4 alkoxy, or C1-C4 alkyl groups; and represents a morpholino, thimomorpholino, piperidino, pyrrolidino, or hexamethylenimino moieties, the pharmaceutically acceptable salts thereof and the use of them anasethetic, cardiovascular and hypometabolic agents and pharmaceutical compositions containing them.

Abstract: A method and apparatus for cleaning the internal surface of pipes mainly from solid sediments, according to which a cleaning element is inserted into the pipe cavity and rotated at a high speed while fluid is simultaneously supplied to the pipe cavity. The cleaning element comprises a plurality of roller heads with annular grooves coupled to a housing and the roller heads are shifted relative to each other in the axial direction. During cleaning, the roller heads and the housing rotate around their respective longitudinal axes in a manner such that the rotation of the roller heads is opposite in direction relative to the rotation of the housing. While rotating, the cleaning element creates spiral grooves in the sediment and cuts off the sediment along the spiral path.

Abstract: When prospecting for geological formations, a feeding electrode 2 is grounded in the center of a circle formed by uniformly grounded feeding electrodes 3. The feeding electrodes 3 are connected by lengths of supply lines 4 to current generators 1 via regulators 5. A first stage of investigations involves a preliminary sounding. Current pulses are applied from the generators 1 to the lengths of supply lines 4 which are connected to diametrically opposite feeding electrodes 3. A current pulse period is synchronized with a reference signal received by a receiver 7 from the global radio navigation system. Upon turning the current off, a signal of a field magnetic component transient is measured by a meter 8 that is coupled to a magnetic component sensor 9.

Abstract: Substituted 6H-1,3,4-thiadiazin-2-amines of the following general formula: ##STR1## wherein ##STR2## represents a morpholino, thiomorpholino, piperidino, pyrrolidino, or hexamethyienimino moiety, and pharmaceutically acceptable salts thereof which are used as anaesthetics, cardiovascular and hypometabolic agents, and the pharmaceutical compositions containing them.

Abstract: A combined flying machine comprises a fuselage (1) in the form of a central hick wing with a vertical open tunnel (2), in which there is mounted a lifting rotor (4). Said machine is also provided with outboard wings and a tail unit (8). The machine is equipped with a landing device on an air cushion (19) that surrounds an outlet from the tunnel. A power plant of said flying machine comprises two engine modules (13), disposed from two sides of the tunnel (2) and connected with the lifting rotor (4) and the propulsion propellers (12). The area of the tunnel cross-section in the plane of the lifting rotor rotation amounts to 0.3 to 0.8 of the area of the landing device air cushion, which ensures a safe landing of the flying machine on an unprepared landing site even with a failure of one of the engine modules.

Abstract: The polymer material is a mixture, consisting substantially of:oligourethanemethacrylate having the following structural formula: ##STR1## taken in ratio that ensure the ability of the mixture to light curing under the effect of UV radiation. The intraocular lens comprises an optic and a supporting portion, both made substantially of the mentioned polymer material.

Abstract: The polymer material is a mixture, consisting substantially of:oligourethanemethacrylate having the following structural formula: ##STR1## methylcarbitol methacrylate ##STR2## methacrylic acid ##STR3## and 2,2'-dimethoxy-2-phenylacetophenone ##STR4## taken in ratio that ensure the ability of the mixture to light curing under the effect of UV radiation. The intraocular lens comprises an optic and a supporting portion, both made substantially of the mentioned polymer material.

Abstract: The multi-beam lens antenna contains a spherical centro-symmetric lens (1), fixed by means of joints (3) fastening it to a frame (2) in the form of an ellipse, so that the center of the lens (1) lies outside the plane of the frame (2). The frame (2) is installed on the base (4) and able to turn relative to the horizontal plane. The antenna also contains illuminators (8), positioned on the semi-circle guide (9), connected to the frame (2) by means of fastening joints (11). The joints (3, 11) fastening the lens (1) and the semi-circle guide (9) to the frame are constructed as self-positioning in their angle placement and adjustable with the possibility of moving along their axes.

Abstract: The spherical dielectric lens with variable refractive index contains modules (1, 4, 7, 9, 12) connected with one another and made from homogeneous dielectric materials with various .di-elect cons. values, which are arranged in accordance with the given principle of change in dielectric permittivity .di-elect cons. from the radius value (r) of the lens, uniquely corresponding to the rule of variation of its refractive index (n). The modules (1, 4, 7, 9, 12) of the interior layers, which form the central cubic core, are inscribed in a sphere, are of cubic form and are equal in size, while the exterior modules (1, 4, 7, 9, 12) have an outer surface of spherical form, where the latter interior layer modules (1, 4, 7, 9, 12) fill out the central core up to the sphere.

Abstract: The proposed heat-mass exchange system comprises a housing (1) with plates on whose blade are arranged turbulence contact elements comprising: a coaxially mounted cylindrical shell (4) with apertures (5) in the lower section and vertical slits (6) in the upper section; baffle (10); an overflow pipe (7); and a swirl vane (12). The novelty of the proposed heat-mass exchange system is the design of the blade in the form of a set of upwardly flanged shelves (2) along whose longitudinal axis are mounted a series of turbulence contact elements, while grooves (8) are fashioned around the circumference of the lateral edges underneath the intake sections of the overflow pipes (7) mounted therein; the blade of the plates is provided with longitudinal plates (3) secured between the flanges of the shelves (2) and in the grooves (9) formed in the intake sections of the overflow pipes (7) which protrude above the blade, while the longitudinal axes of abutting shelves (2) intersect at right angles.

Abstract: A method of cooling an object with a thermoelectric battery cascade which is based on carrying heat from the object and further from stage to stage with an adjustable regulated direct current applied to the terminals of the battery until a steady-state operation mode is obtained corresponding to the required temperature of the object being cooled. In accordance with the invention transfer of heat removed from the object is effected successively in time in portions from stage to stage with intermediate heat storage on heat accumulators. In order to effect this, the operation of each stage is carried out in active heat removal and thermal switch modes, wherein the duration of the time intervals and values of currents flowing through the stages of the thermobattery for those modes is adjusted in the process of bringing it to the steady-state mode of operation with required values of temperatures of the object being cooled and heat accumulators and with minimum value of electric power consumption.

Abstract: The aerating device compraises a tubular air conduit whose external surface of the side wall is provided with longitudinal ribs alternating with longitudinal recesses and is covered with a two-layer dispersing coating. The first (internal) layer of the dispersing coating is made as a fibrilliform filament wound on the external surface of the air conduit with a surface density of 1.1-2.0 kg/sq m, the second (external) layer of the dispersing coating is a porous envelop made of material with chaotically laid fibers of a diameter from 6.times.10.sup.-5 to 21.times.10.sup.-5 m fused at the points of their intersection and applided to the internal layer with a density of 3.5.times.10.sup.2 to 6.0.times.10.sup.2 kg/cu m. The side wall of the air conduit at the point of each recess has a number of radial holes, each having a diameter (d) varying from 0.05 to 0.12 the inside diameter (D) of the tubular air conduit.

Abstract: A trailer-container for a vehicle (1) which can be converted into a support base on an air cushion comprising a rigid sectionalized platform (4) equipped with a flexible inflatable air cushion skirt (5) with removable rotor-type power plants (6) and means for coupling them to the drive of the vehicle (1) mounted on the platform. The platform (4) of the trailer-container is made of rigid interconnected sections which can be folded into a compact package. The sections are connected to the flexible inflatable skirt (5). Each of the power plants (6) is made as a blower fan and a variable-pitch air screw which are mounted coaxially in a common ring housing. The platform (4) together with the skirt (5) is fitted with disengagable attachment joints for securing it to the wheelbase of the vehicle (1) so that disturbances of the platform and skirt can be damped by suspension of the vehicle when in motion.

Abstract: A method of gas generation resides in transformation of a cryogenic agent, capable of passing to the supercritical state, from the liquid state to the gaseous state thereof by way of thermoinversion in an isochoric process with enhancement of the potential energy of pressure of the gaseous medium thus obtained, and reducing the shaped gas stream, this being followed by gasdynamic ejection of the ambient medium. A plant for effecting the method comprises a source of a working medium (a cryogenic agent), at least one chamber (1,2), a gas reducer (29) and a gas ejector (24), arranged in succession downstream and communicating with each other.

Abstract: A method for treating chronic, purulent, middle otitis in children, comprising administering, through a perforation into a middle ear cavity, a freshly prepared donor plasma of one of the parents having the identical blood group to fill up the cavity (1,5-2,0 ml 3-4 times within 24 hours with the preliminary washing of the cavity with a physiological solution prior to each administration.