摘要:
This invention relates to a method and device for non-destructive testing of details, machine units and mechanisms, various materials, and in particular, to a method and device for non-destructive determination of residual stresses which are based on the optical holographic interferometry technique. First, a hologram of the investigation area of the object in its initial state is registered. Then the release of the residual stresses in an investigation point in the investigation area is performed by exposing the surface of the object to a high-current electric pulse with rectangular shape. Finally, an interferogram of the exact same area of the object is made, and the residual stresses at the investigation area are determined from the shape and size of the fringes in the interferogram.
摘要:
This invention relates to biology and medicine and, in particular, can be used in medicine to make a pharmaceutical composition for targeted delivery of biologically active substances into mitochondria, driven by proton electro-chemical potential in the mitochondria. This invention also relates to the method to affect an organism by the targeted delivery of biologically active compounds to mitochondria. The invention can be useful in treatment of diseases or disorders associated with not normal functioning of mitochondria, in particular diseases associated with increased production of free radicals and reactive oxygen species.
摘要:
A highly-tight screw joint comprising internal and external mating elements with conical surfaces used in connection with oil and gas wells. The internal and external elements are provided with a thread with supporting and embedded faces. A sealing unit is made in the form of a wedge on the side of a small diameter. The sealing unit is provided on the internal and external elements and consists of parts of the internal and external elements. The internal and external elements are formed by conical radial and conical supporting faces. The conical radial face is made at an angle of 25°-35° to the normal to the thread axis. The conical supporting surface is made at the angle of 10°-25° to the normal to thread axis.
摘要:
In order to simplify the design and use of a belt clasp whilst at the same time increasing the reliability and maintaining the integrity of the belt, and ensuring the integrity of the chain in the event of increased, differently directed static and dynamic mechanical loads, and the possibility of use of the front surfaces of the chain as information carriers and design means, in the belt clasp, which comprises two interlocking parts in the form of a linkage and a buckle connected to the belt, the linkage is formed with an internal through-opening for the belt, with arcuate lateral projections and a gap between the arcuate lateral projections with a size equal to or greater than twice the thickness of the belt but less than the width of the belt, while the buckle is formed with a transverse width that is greater than the width of the internal through-opening for the belt in the linkage. Furthermore, the linkage is capable of attachment to a belt, a bag, a briefcase, a case, an instrument case, a load transfer or transportation means or to any other article requiring a temporary connection, while the linkage and the buckle comprise means for mutual fixing when the said linkage and buckle are closed, for example, the means which are in the form of a T-shaped projection arranged on the buckle and a T-shaped opening in the linkage, magnets, velcro fasteners, clips, snap locks or any other functionally similar mutual fixing means.
摘要:
The invention relates to building and operating vertical, controlled, directional and horizontal holes of oil and gas fields with difficult operating conditions, and can be used for process casing pipes. The inventive tightly threaded joint for oil field pipes comprises male and female pipes with a conical thread and stop and sealing surfaces. The stop surfaces are brought into contact by the end surface of the male pipe and the mating end surface of the female pipe. The conical thread configuration has a negative angle along a bearing face. The height of thread of the male pipe is less than the height of thread of the female pipe. The end surfaces are designed so that the area thereof is equal to or greater than 60% of the pipe body. The invention makes it possible to increase the operational reliability and effectiveness of the tight joint and to minimize ecological risks.
摘要:
The invention relates to the pharmaceutical industry, in particular to producing herbal remedy for integrally treating various inflammatory diseases. The inventive remedy comprises a dry Boswellia extract dissolved in the oil extract of Siberian stone pine seeds and Curcuma. The remedy can be used in the form of soft gelatine capsules for peroral administration, wherein lecithin, hydroxy-toluene butyl, alpha-tocopherol acetate, ascorbyl palmitate are added to the ready-for-use oil extract. The inventive method for producing said remedy consists in producing the oil extracts of Siberian stone pine seeds and Curcuma and in subsequently adding the dry Boswellia extract thereto.
摘要:
The rock mass thermal excitation is performed by means of pumping the flush fluid through the wellbore using a tubing string, the flush fluid temperature differs from the rock mass temperature. Before the thermal excitation, during the thermal excitation and after the termination thereof differential electrical signals proportional to the well bore temperature difference are registered by at least one pair of the temperature transducers positioned along the wellbore axis. The distances between the transducers in the pairs and the number of pairs is selected in advance based on the required accuracy of the determination of the rock mass areas with different properties, minimum and maximum possible length of the rock mass areas identified and the nature and degree of the wellbore temperature noise. Differential electrical signals of the temperature transducers measured before the rock mass excitation start are compared with the differential electrical signals from the same temperature transducers measured during the thermal excitation and the differential electrical signals of different temperature transducers positioned along the wellbore are compared with one another. Based on the comparison results of the differential electrical signals the difference of different rock mass areas are characterized by their properties and the boundaries between the rock mass areas with different properties are identified.
摘要:
A light multi-purpose aircraft comprises a fuselage (1); a wing (2); a fin assembly (3); a landing gear (4); a main power plant (5); an auxiliary power plant (7); pylons (10); outboard suspension objects (9) arranged on the undersurface and at the ends of the wing (2); at least one outboard suspension object (9) being arranged on the undersurface of the wing (2) and at least one outboard suspension object (9) being arranged at each end of the wing (2); a gun mount (8) or a guidance and tracking mount arranged in the lower part of the fuselage (1); a controlling integrated complex of airborne electronic equipment (17) with an electric power supply system (16) and an armament control complex (19) incorporating an on-board electronic guidance and tracking system (20); a defense system (21); a multi-purpose control panel (22); a group interaction system (23); an armament control system (24) which are related to each other and to the controlling integrated complex of airborne electronic equipment (17) through a multiplexer information exchange channel; the armament control system (24) comprising a matching and logic unit (25); an emergency unloading unit (26); at least one data distribution and conversion unit (27); executive units (28); units for switching outboard suspension objects (29); a unit for switching a gun mount or guidance and tracking mount (30); components of the armament control system (24) being linked by a local channel of information exchange, the number of the executive units (28) and the units for switching outboard suspension objects (29) being consistent with the number of outboard suspension objects (9).
摘要:
The inventive method consists in the following: a drillable packer provided with a channel closed by a back valve is arranged in a well; afterwards a tubing string carrying a jet pump and a stinger is run into said well, the stringer being connected to the packer; the back valve is open; a logging instrument and a sealing unit are introduced into the tubing string with the aid of a cable; a depression is produced on the formation by means of the pump, a bottomhole pressure and the parameters of the formation are measured with the aid of said instrument, the parameters of physical fields being recorded. The results of said investigations being interpreted, the technical state of the well is defined. The instrument and the sealing unit being extracted from the tube string, a blocking insert is dropped therein. The tubing string is uplifted, the stringer is disconnected from the packer and the back valve is closed. A cement slurry being pumped into the tubing string, said tubing string is put down, the stringer is connected to the packer and the back valve is open. The cement slurry is pumped into the tail space, squeezed into the productive formation and the tubing string together with the pump and the stringer is extracted. The cement slurry being hardened, the packer is drilled out, the formation is perforated and the tubing string provided with a guiding cone, the packer and the pump is brought in the well. Said invention increases the reliability of the repair and insulating operations.
摘要:
This invention relates to the field of holography, in particular to a method and a device for recording optical holograms by means of amorphous molecular semiconductor (AMS) films deposited on a glass substrate pre-covered with a transparent electric conducting sub-layer. More precisely, the invention relates to a method and device for registering optical holograms on AMS-films which operates in such a way that the AMS-films possess the maximum achievable information parameters: Holographic sensitivity, optimal spatial frequency of the transmitted characteristic, band parameters for the spatial frequencies of the transmitted characteristic, “signal-to-noise” ratio in the restored holographic image, reference and object beam intensities ratio during hologram registration, and cycling ability. It is also an advantage that the device provides optimal operation efficiency of the registering media based on AMS-films, and restricts the development and erasing of the hologram upon reaching the pre-set value of the diffraction efficiency measured in the zeroth order of diffraction. The latter makes the device a universal device.