An apparatus for estimating a property of an earth formation includes: a plurality of sensors configured to estimate at least one property, each of the plurality of sensors located at a known position relative to one another; and a processor in operable communication with the plurality of sensors and configured to estimate uncertainties of the location of the plurality of sensors over a period of ...

An electrical connection for use in boreholes or other remote environment has a a first connection assembly having a first (18) and second (34) connection assemblies having a first and second conductive members. The two conductive members are movable to form an electrical contact. Also provided is a means for urging dielectric fluid around the electrical contact formed by the first conductive memb...

Balancing problems are mechanical force interactions that generate electron fluctuations according to stable and known relations, elastic deformation of materials and piezoelectric effects. In the field of traditional mechanics that factually focuses on a single and same structure and measurement, we tend to forget about the other functions of the same structure used for several simultaneous funct...

PURPOSE: A genetic method for distinguishing colour variant in Stichopus japonicus Selenka and to improve accuracy of distinguishing. CONSTITUTION: A genetic method for distinguishing colour variant Stichopus japonicus Selenka using allele-specific PCR comprises: a step of isolating genome DNA of HSP70 from variants in Stichopus japonicus Selenka; a step of adding a primer set of sequence numbers ...

PURPOSE: A storing box for an emergency position indicating radio beacon is provided to produce a smooth detachment force by eliminating the malfunction of the main operation switch. CONSTITUTION: One end part of first attachment or detachment modules(120A,120B) is fixed to the base part of a storing box. The other end part of the first attachment or detachment modules is arranged in the base part...

PURPOSE: A drawing film, a study table including the same, a sketch book and a mouse pad are provided to erase written contents by using moisture. CONSTITUTION: A first surface layer(114) with a glossy surface state is formed on one side of a base film. A second surface layer(116) with an uneven surface structure is formed on the other side of the base film. A first hardening layer(120) is formed ...

PURPOSE: A device for preventing wall cracks is provided to securely fix a concrete structure and a masonry member assembly of a building and to improve the exterior of the building by preventing the device from being exposed to the outside. CONSTITUTION: A device for preventing wall cracks comprises a bracket housing member(30) and a crack prevention bracket(20). The bracket housing member is ins...

PURPOSE: A pillow for pressing an acupuncture point is provided to enable a user to take a sound sleep by minimizing noise and to promote blood circulation and fatigue recovery. CONSTITUTION: A pillow for pressing an acupuncture point is constituted as follows. Four elevating units equipped in the pillow for pressing an acupuncture point are comprised of four airbags(141,161,181,201) which are exp...

PURPOSE: A decoration stone structure of a semi-separable retaining wall block and a construction method thereof are provided to prevent a decoration stone from being contaminated by chlorosis. CONSTITUTION: A construction method of a decoration stone structure of a semi-separable retaining wall block is as follows. When a decoration stone(10) is installed on the front(28) of the front part(20a) o...

PURPOSE: A rotation blade of a sawdust machine and a wood crusher is provided to improve the convenience of an operation by detachably mounting a blade in a blade fixing groove of a blade mounting support. CONSTITUTION: A rotary drum body includes a blade mounting support(2). A blade mounting groove is formed in the blade mounting support. A blade alignment plate includes a blade fixing groove and...

PURPOSE: An intrusion detection method and a security robot using the same are provided to improve reliability with respect to intrusion detection. CONSTITUTION: A security robot(40) comprises an intrusion sensing part(41), a first processing part(42), and a second processing part(43). The security robot is operated by being linked with a sensing apparatus(50). The intrusion sensing part determine...

PURPOSE: A mortar composition for reinforcing and repairing the cross section of a concrete structure and a conducting method using the same are provided to obtain the suppressing effect of neutralization and the shielding effect of chlorides. CONSTITUTION: A mortar composition for reinforcing and repairing the cross section of a concrete structure includes 40-85 weight% of cement, 5-45 weight% of...

PURPOSE: An interior and exterior panel for waterproofing and a construction method thereof are provided to prevent contamination and corrosion by preventing water leakage through a gap of the panel. CONSTITUTION: An interior and exterior panel(100) for waterproofing comprises vertical fixing units(120), a coupling convex rail, a coupling concave rail, and a waterproof tape(160). The vertical fixi...

PURPOSE: A self-diagnosis gas leakage blocking controller and a diagnosis method thereof are provided to easily diagnose and check the position, opening, and locking of a gas leakage breaker. CONSTITUTION: A self-diagnosis gas leakage blocking controller comprises a gas leakage breaker(80), a breaker power supply unit(60), a control unit(40), and a breaker state display(55). The control unit alter...

PURPOSE: An augmented reality system for improving a marker recognition speed and a recognition rate is provided to recognize a marker among a plurality of marker by controlling the marker recognition range. CONSTITUTION: A control unit(140) receives recognition information from a recognition unit(110). The control unit adjusts the size of a marker recognition window by the recognition information...

PURPOSE: A separable drain trap for offensive odor prevention is provided to easily clean the inside the drain trap and to rapidly drain sewage and waste water to the outside. CONSTITUTION: A separable drain trap for offensive odor prevention is composed of an upper body(100) and a lower body(200). The upper body has an inlet(110), and the lower body has an outlet(210). Horizontal coupling circumf...

PURPOSE: A system for a multi service is provided to supply video data by using image data. CONSTITUTION: A database(200a) extracts image data from video data. The database links the image data and video data. A server compares the image data of the database and the image data which is uploaded from a client(300) through a watermark, an image DNA, and extracted information. If the image data coinc...

PURPOSE: A mono-cell type expansion joint system having excellent adhesive power with concrete is provided to control noise when a vehicle travels by preventing gaps between wavy adhesive protrusions and post-placed concrete from being generated. CONSTITUTION: A mono-cell type expansion joint system(M) having excellent adhesive power with concrete comprises wavy adhesive protrusions(10), a replace...