583 results about "Prolongation" patented technology

A method and apparatus for monitoring the application of a vagus nerve stimulation signal includes a detection circuit having an amplifier, a filter, and a signal prolongation circuit. The signal prolongation circuit rectifies a detected vagus nerve signal and provides the signal to a Schmitt trigger extending the length of the signal. Because of the prolongation of the signal, the signal can be sampled at a relatively low rate, and real time data illustrating the response of various physiological signals to the application of the vagus nerve signal can be monitored, thereby providing clinical data for monitoring and adjusting the applied stimulation.

The invention relates to a breeding method for prolongation of rice fertility stage, and the breeding method comprises the following steps: selecting a target fragment in a rice fertility stage determining gene Ehd3 exon region and constructing a plant CRISPR / Cas9 targeting recombinant vector, introducing into rice cells for regeneration to sprout; using an expression frame in the vector to realize shearing of Ehd3 exon region DNA in the rice cells so as to cause self healing of the rice cells; sequencing regeneration strain genome target fragments to obtain an afunction-mutational strain carrying two equipotential Ehd3 genes, and confirming the prolongation of the regeneration plant fertility stage by phenotypic identification. Experiments show that the method can quickly obtain fertility stage prolonged rice materials.

Disclosed are apparatus and methods for enhancing or improving cell cultures, including cell cultures for the production of monoclonal antibodies, using electromagnetic energy treatment, primarily using light in the near infrared to visible region of the spectrum. The delivery of light energy to a culture, in accordance with preferred embodiments, enhances or improves the cell culture such as by providing for enhanced and accelerated formation of important biological macromolecules, including, but not limited to, antibodies, proteins, collagen, and polysaccharides, and also providing for accelerated cellular replication and an enhancement or prolongation of the life of cells so treated.

The invention discloses a short-term and medium- and long-term electric power load prediction method based on machine learning model. Firstly, preprocessing is conducted on data, including smootheningabnormal data and filling missing data. Factors of affecting load changes will be analyzed, including historical data, time periodicity, and weather variable characteristics. Domestication will be conducted on all input variables for accelerating learning speed and raising prediction precision. The invention is advantageous in that linear regression is compared, and the performance of the vectorregression and gradient lifting regression in the short-term and medium- and long-term electric power load prediction is supported; with the prolongation of the prediction time, the performance of thegradient lifting regression model is better that that of the other two models; the AdaBoost algorithm which uses the gradient lifting tree as a basic classifier is brought forward, and load prediction is conducted, and the precision of electric power load prediction can be effectively raised.

Methods, compositions, dosing regimes, and routes of administration for the treatment or prevention of arrhythmias. In these methods, early afterdepolarizations and prolongation of QT interval may be reduced or eliminated by administering ion channel modulating compounds to a subject in need thereof. The ion channel modulating compounds may be cycloalkylamine ether compounds, particularly cyclohexylamine ether compounds. Also described are compositions of ion channel modulating compounds and drugs which induce early afterdepolarizations, prolongation of QT interval and/or Torsades de Pointes.

The invention discloses a single channel blind source separation method, and belongs to the technical field of electronic information. The single channel blind source separation method is characterized by adopting an extreme point symmetric prolongation method, carrying out processing of removing an end effect to ensemble empirical mode decomposition, transforming one-way mixed signals to intrinsic mode functions (IMFs) by using the ensemble empirical mode decomposition, restraining noise, carrying out dimension reduction processing to multi-channel IMFs by utilizing principal component analysis, removing invalid components in the IMFs, and carrying out independent component analysis to multi-channel signals after dimensionality reduction to achieve blind source separation. Implementation steps comprise carrying out linear adding to the multi-channel signals and mixing the multi-channel signals to single-channel signals to transmit, recovering source signals simply, fast and effectively under the condition of not influencing later stage pattern recognition effect, and achieving the outputting of multi-channel outputs. The single channel blind source separation method has the advantages of being capable of separating the multi-channel frequency-spectrum-overlapped signals mixed to one channel under the condition of not influencing the later stage recognition effect.

The present invention provides compositions and methods for treating QT prolongation in a subject in need thereof. The method comprises the step of administering to the subject a therapeutically effective amount of an agent which increases the androgen level of the subject.

A male sexual impotence treatment apparatus comprises a constriction device implanted in an impotent male patient and engaging the patient's penile tissue. The constriction device includes an elongate adjustable constriction member extending in a loop around the penile tissue or the prolongation thereof. A connection device releasably connects the end portions of the constriction member to each other and an adjustment device adjusts the longitudinal extension of the constriction member in the loop to temporarily constrict the penile tissue or the prolongation thereof to restrict the penile exit blood flow to achieve erection. The connection device includes a female part and a male part fitting into the female part to lock them together. The design of the connection device facilitates laparoscopic surgery for implanting the constriction member.

The invention discloses a heading machine disc cutter wear extent pre-estimate calculating method. According to the method, a known heading machine structure parameter and a known technique parameter in a construction process are referred, and a corresponding relation between disc cutter rotation frequency and wear extent is directly established. The calculating method comprises the following steps: (1) measuring the disc cutter acceleration change in a rock breaking process, and obtaining disc cutter rotation frequency; (2) establishing a corresponding relation between the disc cutter rotation frequency and friction work; (3) establishing a corresponding relation between the disc cutter rotation frequency and the wear extent. The disc cutter wear extent at different times and different positions are obtained finally. According to the invention, an accurate disc cutter wear extent pre-estimate calculating formula is established, operation and data processing are simple, and a problem that determining the disc cutter wearing degree and predicting disc cutter life are needed in construction is solved. The invention provides a theory for optimization design of a cutterhead and cutterarrangement scheme and prolongation of disc cutter service life.

The invention relates to an intelligent thing internet lock. The intelligent thing internet lock adopts a user information card and door lock terminal, a network management node and a verifying and managing server to form a three-stage structure. The user information card adopts a second-generation identity card having a unique identity characteristic, read user information is transmitted to the network managing node through a Zigbee wireless network, data exchange between the network managing node and the verifying and managing server is enforced, and a control instruction is transmitted to the door lock terminal through the Zigbee wireless network via information comparison in order to complete the unlocking and locking of a door lock. The intelligent thing internet lock has the advantages of realization of the direct data exchange between a user and the intelligent thing internet lock, reduction of the power consumption of the door lock terminal, use time prolongation, realization of the timely prompt of fault information to a manager because of the self-check function, manpower maintenance reduction, guarantee of the efficient, lasting and stable running of the door lock terminal, effective reduction of the communication and running cost of a system, low cost, installation convenience and strong expansibility.

The invention belongs to the field of exploration earth physics and specifically relates to an elastic vector reverse time migration imaging method. According to the invention, multi-component seismic data is used as input, an elastic wave propagation operator is utilized to carry out wave field prolongation, an elastic vector seismic wave field is constructed; and a decoupling prolongation equation method is utilized to obtain longitudinal and transverse wave fields of decoupling; vector points of the longitudinal and transverse wave fields with seismic source illumination compensation are utilized to construct elastic wave cross-correlation imaging conditions, and a multi-component seismic data elastic vector reverse time migration imaging result is obtained; and low-frequency noise suppression is carried out on the imaging result, and a final elastic vector reverse time migration imaging result is obtained. The elastic vector reverse time migration imaging method solves the scalar imaging problem of the longitudinal and transverse wave fields, and the imaging precision of elastic reverse time migration under a complex construction is improved.

The present invention provides systems and methods for treating and/or controlling obesity and type II diabetes. In one aspect of the invention, a device for treating obesity includes a flow restrictor and an anchor coupled to the flow restrictor. The flow restrictor is movable between a first or collapsed configuration sized and shaped for endoscopic advancement through the patient's esophagus and into a distal region of the stomach and a second or operative configuration sized and shaped for inhibiting a flow of chyme from the stomach to the pyloric sphincter. It is believed that this will cause the prolongation of satiety, and result in fewer meals being eaten and/or smaller meals being ingested. The anchor is movable between a first or collapsed configuration sized and shaped for advancement through the esophagus, stomach and pyloric sphincter and into the proximal region of the duodenum and a second or operative configuration sized and shaped to inhibit proximal movement of the anchor through the pyloric sphincter.

The invention relates to an intelligent charging method of an electric automobile. The method includes the following steps: 1, inserting a charging plug, powering up a battery management system, and initializing the battery management system; 2, acquiring the current state information of a battery by the battery management system, and reading preserved history charging information, interlock switch state information and system time; and 3, selecting a corresponding charging mode according to the information acquired in step 2, wherein the system time is consistent with a current actual time. Compared with the prior art, the intelligent controlled charging method has the advantages of safety, high efficiency, effective use of electrical network valley loading time to charge, and prolongation of the service life of the battery.

The invention relates to the use of a phosphodiesterase type III (PDE III) inhibitor or Ca²⁺-sensitizing agent or a pharmaceutically acceptable derivative thereof for the preparation of a medication for the prolongation of time until onset of clinical symptoms in patients having an asymptomatic (occult) heart failure or for the reduction of heart size in patients having symptomatic or asymptomatic (occult) heart failure.

The invention discloses an array substrate and a preparation method thereof, and a display device. A base of the array substrate is provided with a first film transistor and a second film transistor and a groove arranged in a wiring region, wherein the groove comprises a first sub groove and a second sub groove. The method comprises steps that a first through hole and the first sub groove are formed through employing the one-time picture composition process; the second through hole and the second sub groove are formed through employing the one-time picture composition process. The method is advantaged in that a problem of active layer over-etching due to difference in depth of the two through holes when the two through holes are formed synchronously is solved, and prolongation of the production process is avoided.

For post-mortem prolongation of the viability of an organ (7, 8, 50, 51) in a donor body, a flow of a solution is introduced from outside the body between a pair of barriers (21, 22) and a return flow including previously introduced quantities of the solution is led to the outside of the body. During a flushing phase, the flow including blood flushed out of the organ (7, 8, 50, 51) is discharged to a drain. Subsequently during a recirculation phase, solution returned from the body is cooled and/or oxygenated and recirculated from outside the body back into the body between the barriers. A system for carrying out the method is also described.

The invention provides a pipeline leakage feature vector extraction method based on an improved wavelet packet and relates to the technical field of signal feature extraction. The method comprises the first step, the second step and the third step of acquiring a signal and conducting denoising on the signal, the fourth step of adopting an improved wavelet packet algorithm to reconstruct a single-band signal, and the last two steps of extracting a feature vector. In order to overcome the shortcomings of a traditional wavelet packet algorithm, the improved wavelet packet algorithm is disclosed, and a signal prolongation mode and a signal processing mode after convolution are combined to improve the wavelet packet algorithm. A parabola prolongation mode is adopted in the improved algorithm, and FFT and IFFT are adopted in the signal processing mode after convolution. Test results show that the phenomenon of redundant frequency components generated during reconstruction of the single-band signal can be overcome by the improved algorithm, a leakage feature signal is accurately reconstructed, and the feature vector is accurately extracted. The pipeline leakage feature vector extraction method greatly increases detection accuracy, reduces the false alarm rate and also lays a foundation for improving follow-up locating precision.

A method of cloth simulation using a constrainable multigrid is provided. The method includes steps of: calculating a change of geometry of the mesh of nodes at a plurality of time steps using a multigrid method by solving a time-varying partial differential equation at multiple resolutions or levels; providing a hierarchical mesh through restriction or coarsening by down-sampling from level m to m−1 or prolongation or interpolation by up-sampling from level m to m+1; transferring soft constraints between different hierarchical levels using a damper-based constraint method; updating the position vector x and the velocity vector v of the mesh nodes; and displaying an updated state of the mesh of nodes using updated position vector x and velocity vector v on a display.

The invention relates to a method for preparing a small granulated SAPO-34 molecular sieve, a product prepared through the method, and a use of the product. The method concretely includes the following steps: preprocessing a raw material SAPO-34 molecular sieve to form granules with the granularity of 10-800nm in order to obtain a crystallization precursor with low crystallization degree; mixing an organic amine template R and water with optional silicon, aluminum and phosphorus sources to prepare a crystallization liquid, or using a mother liquor obtained after separating a product in the preparation process of the SAPO-34 molecular sieve as the crystallization liquid; and mixing the crystallization precursor with the crystallization liquid, carrying out a hydrothermal reaction, and separating to obtain the small granulated SAPO-34 molecular sieve. The method allows the small granulated SAPO-34 molecular sieve to be simply prepared without using an organic amine template tetraethylammonium hydroxide, and the product prepared in the invention has the advantages of obvious prolongation of the catalysis life of a reaction of oxygen-containing compounds, such as methanol, to olefin as a catalyst, and obvious selectivity increase as a catalyst.

Spectacles with a built-in computer that include a curvilinear frame that is defined by a frontal anterior face with opaque panels of high impact materials and another posterior counter-front face. This frame is linked in a solidarity manner with a set of temples that are prolongations on each side of the frame. The frame contains at least two peripheral visors, one upper visor and one lower visor, distant from each other, that define an enclosure together with the concave posterior counter-front face of the frame. This enclosure contains a set of elements defined by: a central printed circuit block, a cooling block, a battery and coolant circulation conduits. In collaboration with the aforementioned elements, the enclosure also contains: at least one LED screen and a convex lens with a bridge that supports the frame on the user's nose.