摘要:
The present disclosure relates to an image comparison device using a personal video recorder, the device comprising: a display unit configured to output a reference image; at least one camera configured to obtain a comparison image by taking a picture of a present scene of a subject chasing a movement of an object included in the reference image while the reference image is displayed on the screen of the display unit; and a controller configured to display the comparison image along with the reference image on the screen, and a method using the image comparison device.
摘要:
The present disclosure relates to an image comparison device using a personal video recorder, the device comprising: a display unit configured to output a reference image; at least one camera configured to obtain a comparison image by taking a picture of a present scene of a subject chasing a movement of an object included in the reference image while the reference image is displayed on the screen of the display unit; and a controller configured to display the comparison image along with the reference image on the screen, and a method using the image comparison device.
摘要:
Disclosed herein is a cathode active material including a lithium manganese oxide, in which the lithium manganese oxide has a spinel structure with a predetermined constitutional composition represented by Formula 1 described in the detailed description, wherein a conductive material is applied to the surface of lithium manganese oxide particles, so as to exhibit charge-discharge properties in the range of 2.5 to 3.5V as well as in the 4V region.
摘要:
Disclosed herein is an apparatus and method for measuring bio-impedance attributable to joint movement. The bio-impedance measuring apparatus includes a constant current source, current stimulus electrodes, at least two voltage detection electrodes, a demodulator, a signal gain and offset controller and an isolated amplifier. The method of measuring bio-impedance attributable to joint movement, comprising the steps: generating a weak current by use of a constant current source; causing the weak current to flow from a point to another point; forming L voltage detecting electrode pairs from voltage detecting electodes positioned at m points on each of n-1 lines that divide an interval between a first joint and a second joint, between which the weak current flows, into equal n parts (m and n are natural numbers), using combination (mC2=L); detecting bio-impedance at certain periods from J (L-K) voltage detecting electrode pairs that are obtained by subtracting K voltage detecting electrode pairs, each of which exists on a single dividing line, from the formed L voltage detecting electrode pairs; and selecting a pair of voltage detecting electrodes having a highest variation of bio-impedance.
摘要:
The present invention relates to a heterogeneous polyimide-supported transition metal complex catalyst for epoxidation of olefin, which is prepared by impregnating a heat- and acid-resistant polyimide resin with a homogeneous metal catalyst of molybdenum, vanadium, tungsten or titanium, and a process for preparing epoxy compounds using the same. The heterogeneous polyimide-supported transition metal complex catalyst of the invention provides superior catalytic activity, selectivity and stability in the epoxidation of higher olefin. Further, the catalyst of the invention has strong resistance against heat and acid. Besides, the catalyst of the invention may provide the following advantages which are critical in industrial use: it permits relatively high yield of epoxy compounds; and, it can be easily separated from the reaction product, which eases recycling of the catalyst.
摘要:
Disclosed is a composite formed by physical and chemical bonding of (a) a carbon nanotube (CNT); and (b) a metal complex with at least one kind of ligand coordinated to a central metal, the CNT being connected to the metal within the metal complex by a direct bond to the metal. Also, provided is a dispersant for a CNT containing a metal complex comprising (i) a complex ion with at least one kind of ligand (Ln) chemically bonded to a central metal; and (ii) a counter ion. By using a metal complex as a dispersant for a CNT, various characteristics possessed by the metal complex can be provided to the CNT, and the dispersibility of the CNT can be meaningfully increased by introducing a ligand and/or a counter ion having dispersion medium-affinitive properties.
摘要:
Disclosed herein is a cathode active material including a lithium manganese oxide, in which the lithium manganese oxide has a spinel structure with a predetermined constitutional composition represented by Formula 1 described in the detailed description, wherein a conductive material is applied to the surface of lithium manganese oxide particles, so as to exhibit charge-discharge properties in the range of 2.5 to 3.5V as well as in the 4V region.