Abstract: A method of reducing a concentration of a nitrogen oxide, the method comprising: contacting a microorganism with a nitrogen oxide-containing sample to reduce the concentration of the nitrogen oxide in the sample, wherein the contacting comprises contacting the microorganism with Fe(II)(L)-NOx in a bioreactor, wherein the Fe(II)(L)-NOx is a complex in which a chelating agent, Fe2+, and NOx are chelated, wherein L is the chelating agent, and wherein NOx is a nitrogen oxide ligand.

Abstract: The present disclosure relates to a multi-plunger lift control device for increasing device durability and production efficiency by synchronizing and controlling operating states of a plurality of plunger lifts sharing some production lines. The multi-plunger lift control device according to the present disclosure includes a plunger lift synchronization setting unit configured to set an operation priority of the plurality of plunger lifts so that production stages of the plurality of plunger lifts do not collide, a stage monitoring unit for each plunger lift configured to monitor current production stages of the plurality of plunger lifts, and a plunger lift logic control unit configured to synchronize and control production operations of the plurality of plunger lifts based on the operation priority set by the plunger lift synchronization setting unit and stage monitoring information received from the stage monitoring unit for each plunger lift.

Abstract: A method for correcting a magnetic resonance imaging error using a heart rate interval may include: measuring T1 of a stand-alone phantom for correcting the error; obtaining a T1 map generated by mapping a recovery time according to a reference recovery rate of protons in heart tissues of a subject inverted by a radio frequency (RF) pulse in pixel units into a two-dimensional space; calculating a correction function based on the measured T1 of the phantom; and correcting an error of the T1 map based on the calculated correction function.

Abstract: A method for correcting a magnetic resonance imaging error using a heart rate interval may include: measuring T1 of a stand-alone phantom for correcting the error; obtaining a T1 map generated by mapping a recovery time according to a reference recovery rate of protons in heart tissues of a subject inverted by a radio frequency (RF) pulse in pixel units into a two-dimensional space; calculating a correction function based on the measured T1 of the phantom; and correcting an error of the T1 map based on the calculated correction function.

Abstract: Provided are a novel polyketone polymerization catalyst and a method of preparing a ligand, which can reduce production costs and can enable commercial mass synthesis by using ((2,2-dimethyl-1,3-dioxane-5,5-diyl)bis(methylene))bis(bis(2-methoxyphenyl)phosphine) as a ligand constituting the polykeytone polymerization catalyst, the ligand having a simple structure and a small molecular weight while having high activity.

Abstract: Provided are an ultrasound system and method that can provide improved storage efficiency of a storage unit by storing only some of a plurality of ultrasound images needed to produce a panoramic image in the storage unit. The ultrasound system includes: an ultrasound data acquisition unit for sequentially acquiring ultrasound data corresponding to a living body; a processor for producing a plurality of ultrasound images by using the ultrasound data, setting a region of interest (ROI) on each of the ultrasound images, performing motion estimation between the plurality of ultrasound images to estimate motion of the ROI, and extracting ultrasound images needed for forming a panoramic image from the ultrasound images based on the estimated motion; and a storage unit for storing the extracted ultrasound images.

Abstract: The present invention relates to an ultrasound system and a method of setting an intima-media thickness (IMT) measuring region. The ultrasound system comprises an ultrasound diagnosis unit configured to transmit ultrasound signals to a target object, receive ultrasound echo signals reflected from the target object and form an ultrasound image including a plurality of pixels based on the ultrasound echo signals, each pixel having an intensity of gray level.

Abstract: Provided are a novel polyketone polymerization catalyst and a method of preparing a ligand, which can reduce production costs and can enable commercial mass synthesis by using ((2,2-dimethyl-1,3-dioxane-5,5-diyl)bis(methylene))bis(bis(2-methoxyphenyl)phosphine) as a ligand constituting the polykeytone polymerization catalyst, the ligand having a simple structure and a small molecular weight while having high activity.

Abstract: Provided are an ultrasound system and method that can provide improved storage efficiency of a storage unit by storing only some of a plurality of ultrasound images needed to produce a panoramic image in the storage unit. The ultrasound system includes: an ultrasound data acquisition unit for sequentially acquiring ultrasound data corresponding to a living body; a processor for producing a plurality of ultrasound images by using the ultrasound data, setting a region of interest (ROI) on each of the ultrasound images, performing motion estimation between the plurality of ultrasound images to estimate motion of the ROI, and extracting ultrasound images needed for forming a panoramic image from the ultrasound images based on the estimated motion; and a storage unit for storing the extracted ultrasound images.

Abstract: A medical imaging system and an image processing method for producing an optimized image from an input image are provided. The medical imaging system comprises: a parameter accumulator configured to accumulate a preset number of basic parameters; a parameter determiner configured to produce new reference parameters based on current reference parameters and the accumulated basic parameters to replace the current reference parameters with the new reference parameters; an image processor configured to process an input image to generate an optimized image according to an image processing algorithm based on the reference parameters sent from the parameter determiner; and a controller configured to control overall operation of the medical imaging system.

Abstract: The present disclosure relates to an ultrasonic diagnostic apparatus for providing a combination of an ultrasound image and a color flow image. The ultrasonic diagnostic apparatus detects a color index of each of pixels in a color flow image and provides a contour image composed of contour lines. Here, each of the contour lines is formed by grouping and connecting pixels having the same color index based on the detected color indexes of the respective pixels and formed for at least one color index level. A diagnosis method of the apparatus is also disclosed.

Abstract: A medical imaging system and an image processing method for producing an optimized image from an input image are provided. The medical imaging system comprises: a parameter accumulator configured to accumulate a preset number of basic parameters; a parameter determiner configured to produce new reference parameters based on current reference parameters and the accumulated basic parameters to replace the current reference parameters with the new reference parameters; an image processor configured to process an input image to generate an optimized image according to an image processing algorithm based on the reference parameters sent from the parameter determiner; and a controller configured to control overall operation of the medical imaging system.

Abstract: An ultrasonic diagnostic apparatus is disclosed. The ultrasonic diagnostic apparatus includes a main body, a receiving part provided to the main body, and an arch-shaped support mounted on the main body to form the receiving part on the main body. The main body of the apparatus is provided at an upper portion thereof with the arch-shaped support so that the receiving part is defined between the main body and a display unit and can receive peripheral devices, such as an echo-printer, VCR, and the like, which are connected to the ultrasonic diagnostic apparatus, and other articles, thereby providing convenience in maintenance and storage of the peripheral devices and the like.

Abstract: A probe holder is disclosed. The probe holder includes a cable connected to a probe, an attachment portion provided to the cable, and a holding portion to which the attachment portion is detachably coupled to allow the cable to be held by the holding portion. The probe holder prevents the cable connected to the probe from drooping when the probe is held by a probe holding member, thereby preventing the cable from being contaminated or damaged due to contact with a floor.

Abstract: The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone, using a mixed solvent of 40 to 60 mol % acetic acid and 40 to 60 mol % water, as a liquid medium, and the precursor of palladium chloride-1,3-bis[di(methoxyphenyl)phosphino]propane, as a catalyst component.

Abstract: The present invention relates to an ultrasound system and a method of setting an intima-media thickness (IMT) measuring region. The ultrasound system comprises an ultrasound diagnosis unit configured to transmit ultrasound signals to a target object, receive ultrasound echo signals reflected from the target object and form an ultrasound image including a plurality of pixels based on the ultrasound echo signals, each pixel having an intensity of gray level.

Abstract: The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone, using a mixed solvent of 40 to 60 mol % acetic acid and 40 to 60 mol % water, as a liquid medium, and the precursor of palladium chloride-1,3-bis[di(methoxyphenyl)phosphino]propane, as a catalyst component.

Abstract: The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone, in which as a catalyst component, an organometallic complex comprising palladium acetate, 1,3-bis[bis(2-methoxy-5-methylphenyl)phosphino]propane, and an anion of an acid with pKa of 4 or lower, as a liquid medium, a mixed solvent of methanol and 1000 to 10000 ppm of water, and upon polymerization, benzothiazole or benzophenone is added.

Abstract: A current sense amplifier includes a pair of cross-coupled transistors, each transistor being connected between a respective input signal line and a respective output signal generating node, for amplifying voltage difference between the output signal generating nodes. Additionally, the current sense amplifier may include a constant current circuit connected between the output signal generating nodes and a common node for allowing current to flow between the common node and the output signal generating nodes in response to a bias voltage; and a voltage generating circuit for causing a voltage difference between the output signal generating nodes by being turned on in response to a respective output signal.

Abstract: A current sense amplifier includes a pair of cross-coupled transistors, each transistor being connected between a respective input signal line and a respective output signal generating node, for amplifying voltage difference between the output signal generating nodes. Additionally, the current sense amplifier may include a constant current circuit connected between the output signal generating nodes and a common node for allowing current to flow between the common node and the output signal generating nodes in response to a bias voltage; and a voltage generating circuit for causing a voltage difference between the output signal generating nodes by being turned on in response to a respective output signal.