Abstract: A bitline sense amplifier including: an amplifier which is connected between a first sensing bitline and a second sensing bitline, and detects and amplifies a voltage difference between a first bitline and a second bitline in response to a first control signal and a second control signal; and an equalizer which is connected between a first supply line through which the first control signal is supplied and a second supply line through which the second control signal is supplied, and pre-charges the first bitline and the second bitline with a precharge voltage in response to an equalizing control signal, wherein the equalizer includes an equalizing enable transistor in which a source terminal is connected to the first supply line and performs equalizing in response to the equalizing control signal.

Abstract: A polyamide resin composition using a recycled carbon fiber to establish reasonable manufacturing costs. The polyamide resin composition has excellent processability and can be used for injection molding, so that molded products with various structures can be made from the polyamide resin composition. In addition, good mechanical properties of the polyamide resin composition enable applications in various fields.

Abstract: A method for manufacturing a monolithic sealing member for an image forming apparatus, and an image forming apparatus having the monolithic sealing member are provided. The method includes applying a foamable polyurethane liquid in a portion of a housing in which three or more surfaces meet, molding the foamable polyurethane liquid in a mold and foaming the polyurethane liquid to obtain a polyurethane foam, and hardening the polyurethane foam. The foamable polyurethane liquid may be a one-pack foamable polyurethane liquid or a two-pack foamable polyurethane liquid.

Abstract: A step-down sucking method is provided for minimizing the weaning stress of newborn calves. The method features feeding newborn calves with a sufficient amount of milk corresponding to 15-25% of body weight for 3-5 weeks following birth, and then with a stepwise decreased amount of milk corresponding finally to 8-15% of body weight for 3-7 days, with the differential amount replaced with water and then with gradually decreased amounts of milk from 8-15% to zero % of the body weight and with solid feedstuffs for a period from 5 weeks to 6-8 weeks after birth, thereby inducing the calves to maximally take solid feedstuff with minimal weaning stress.

Abstract: Disclosed is a suckling system wherein suckling of calves can be automatically performed and weaning stress of newborn calves can be minimized. The suckling system for calves with minimal weaning stress, includes a suckling unit and a milk feed unit to feed milk to calves, and a control module to control the units, wherein the suckling unit comprises a weight scale, and the control module measures the weight of calves and controls a feed amount of the milk feed unit, based on the weight. The milk feed unit uniformly supplies milk set to the temperature of the mother's milk to calves, the height of the teat member is controllable to a level suitable for calves, and after feeding, the teat member and the milk feed unit are automatically cleaned.

Abstract: A method for manufacturing a monolithic sealing member for an image forming apparatus, and an image forming apparatus having the monolithic sealing member are provided. The method includes applying a foamable polyurethane liquid in a portion of a housing in which three or more surfaces meet, molding the foamable polyurethane liquid in a mold and foaming the polyurethane liquid to obtain a polyurethane foam, and hardening the polyurethane foam. The foamable polyurethane liquid may be a one-pack foamable polyurethane liquid or a two-pack foamable polyurethane liquid.

Abstract: A step-down sucking method is provided for minimizing the weaning stress of newborn calves. The method features feeding newborn calves with a sufficient amount of milk corresponding to 15-25% of body weight for 3˜5 weeks following birth, and then with a stepwise decreased amount of milk corresponding finally to 8-15% of body weight for 3-7 days, with the differential amount replaced with water and then with gradually decreased amounts of milk from 8-15% to zero % of the body weight and with solid feedstuffs for a period from 5 weeks to 6-8 weeks after birth. In the method, suckling with a large amount of milk (amounting to 15-25% of body weight) is conducted for 25-35 days after birth, followed by suckling with a decreased amount of milk (amounting to 8-15% of body weight) for 10-20 days, thereby inducing the calves to maximally take solid feedstuff with minimal weaning stress.

Abstract: An artificial insemination device for private use which is capable of allowing unskilled persons to achieve an artificial insemination of livestock such as cattle, horses, and deer, etc. in a simple and easy manner using frozen semen of those livestock. The device includes an in-vagina insert unit inserted into the vagina of a female to be inseminated upon injecting semen into the female, and a semen injection unit inserted into the womb canal of the female through the in-vagina insert unit upon injecting semen into the female. The in-vagina insert unit includes a hollow insert body, and an insert tube slidably fitted at its rear end in a front end of the insert body in such a manner that its length protruded from the insert body is adjustable in accordance with the depth of the vagina of the female. The semen injection unit includes an elongated semen injection tube connected at a rear end thereof to an injector, and a guide/nozzle member separably coupled to a front end of the semen injection tube.