• Title/Summary/Keyword: multiple V-Y

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COMPLETELY INTEGRABLE COUPLED POTENTIAL KDV EQUATIONS

  • Wazwaz, Abdul-Majid
    • Journal of applied mathematics & informatics
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    • v.29 no.3_4
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    • pp.847-858
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    • 2011
  • We make use of the simplified Hirota's bilinear method with computer symbolic computation to study a variety of coupled potential KdV (pKdV) equations. Each coupled equation is completely integrable and gives multiple soliton solutions and multiple singular soliton solutions. The phase shifts for all coupled pKdV equations are identical whereas the coefficients of the obtained solitons are not identical. The four coupled pKdV equations are resonance free.

Superovulation in Rabbits with a Single Injection of FSH Dissolved in Polyvinylpyrrolidone (토끼에서 FSH제의 Single Injection에 따른 과배란유기 효과)

  • 최상용;노규진;최창용;강태영;윤희준;손우진;이효종;박충생
    • Journal of Embryo Transfer
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    • v.11 no.3
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    • pp.211-216
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    • 1996
  • A series of experiments were designed to determine the feasibility of single dose of FSH as an effective superovulation method in rabbits. The superovulation treatments examined comparatively were as follows: 1) a single injection of 100 IU PMSG, 2) Multiple injections of 1 IU Super-OV of 2X daily for 3 days, 3) Multiple injections of 6.6 rng Folltropin-V 2X daily for 3 days, 4) Multiple injections of 13.3 rng Folltropn-V l$\times$ daily for 3 days, 5) Single injection of 40 mg Folltropin-V solved in 10% PVP, and 6) Single injection of 40 mg Folltropin-V dissolved in 25% PVP. The results obtained were as follows: The nurnher of ovulation points in the single injection of 40 mg Folltropin-V dissolved in 25% PVP and multiple injections of 6.6 mg Folltropin-V 2X daily for 3 days was averaged 44.6 and 39.2, respectively, which were significantly (P<0.05) more than in a single dose of PMSG or multiple doses of Super-OV. The number of total ova recovered in the single injection of 40 mg Folltropin-V dissolved in 25% PVP and multiple injections of 6.6 mg Folltropin-V 2X daily for 3 days was averaged 30.4 and 25.9, respectively, which were significantly (P<0.05) more than in the single dose of PMSG or multiple doses of Super-OV. A similar result was obtained for the number of fertilized ova recovered from the above six treatments. From the above results it was concluded that a single injection of 40 mg Folltropin-V dissolved in 25% PVP could be an effective and simple method for superovulation in rabbits.

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Implementation of multiple access bidirectional serial communications protocol using DC power line (직류 전원선을 이용한 다중 접속 양방향 직렬통신 프로토콜 구현)

  • Han, Kyong-Ho;Kim, Won-Il;Hwang, Ha-Yoon
    • Proceedings of the KSR Conference
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    • 2008.06a
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    • pp.332-338
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    • 2008
  • This paper handles, implementation of multiple access bidirectional serial communications protocol using two common DC power lines, whict are power supply and ground, connecting multiple devices. Communication between the host and the multiple clients are performed using unique packet data with device ID unique to each devices connected on the common power lines. Host initiates data communications by transmitting command packet to the designated client with the client's ID and the client responds by transmitting response packet to the host and in this way, multiple clients and host exchange the packet through the common power lines. The normal voltage of the power communication line maintains 24V corresponding to level 1 and the host drops the voltage to 12V on sending level 0 signal, also the clients normally keeps the line voltage to 24V use pull-down circuit to drop the voltage to 12V on sending level 1 signal. Power supply originates from the host, the host senses the voltage level of the power communication lines and when the clients activates pull down circuit to send level 0 signal and the voltage drops to 12V, the hosts switches power source from 24V to 12V. Also, when clients deactivate pull down circuit to send level 1 signal, the host senses the voltage increase and switches the power source from 12V to 24V. Experimental circuit is designed with one hosts and four clients and verified the power line voltage switching operation depending on the data signal levels on the power line. The proposed research result can be applied to two wire power communications system with one host and multiple low current consumption clients.

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Pharmacokinetics of 11-Hydroxyaclacinomycin X (ID-6105), a Novel Anthracycline, after i.v. Bolus Multiple Administration in Rats

  • Yoo Bo-Im;Ahan Kwang Bok;Kang Min Hee;Kwon Oh-Seung;Hong Young-Soo;Lee Jung Joon;Lee Hong Sub;Ryu Jung Su;Kim Tae Yong;Moon Dong-Cheul;Song Sukgil;Chung Youn Bok
    • Archives of Pharmacal Research
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    • v.28 no.4
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    • pp.476-482
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    • 2005
  • We investigated the pharmacokinetics of 11-hydroxyaclacinomycin X (ID-6105), a novel anthracycline, after intravenous (i.v.) bolus administration at a multiple dose every 24 h for 5 days in rats. To analyze ID-6105 levels in biological samples, we used an HPLC-based method which was validated in a pharmacokinetic study by suitable criteria. The concentrations of ID-6105 after the multiple administration for 5 days were not significantly different from the results after the single administration. The $t_{1/2\alpha}, t_{l/2\beta}, V_{dss}, and CL_{t}$ after the multiple administration were not significantly different from the values after the single administration. Moreover, the concentrations of ID-6105 1 min at day 1-5 after i.v. bolus multiple administration did not show the significant difference. Of the various tissues, ID-6105 mainly distributed to the kidney, lung, spleen, adrenal gland, and liver after i.v. bolus multiple administration. ID-6105 concentrations in the kidney or lung 2 h after i.v. bolus administration were comparable to the plasma concentration shortly after i.v. bolus administration. However, the ID-6105 concentrations in various tissues 48 h after i.v. bolus administration decreased to low levels. ID-6105 was excreted largely in the bile after i.v. bolus multiple administration at the dose of 3 mg/kg. The amounts of ID-6105 found in the bile by 12 h or in the urine by 48 h after the administration were calculated to be $14.1\% or 4.55\%$ of the initial dose, respectively, indicating that ID-6105 is mostly excreted in the bile. In conclusion, ID-6105 was rapidly cleared from the blood and transferred to tissues, suggesting that ID-6105 might not be accumulated in the blood following i.v. bolus multiple dosages of 3 mg/kg every 24 h for 5 days. By 48 h after i.v. bolus administration, ID-6105 concentrations in various tissues had decreased to very low levels. The majority of ID-6105 appears to be excreted in the bile.

A New Multiple-Output Switched-Capacitor Based DC/DC Converter (Switched-Capacitor회로를 이용한 새로운 다출력 DC-DC 컨버터)

  • 여주용;최병조;김흥근;안태영
    • Proceedings of the KIPE Conference
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    • 1999.07a
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    • pp.631-634
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    • 1999
  • A new multiple-output dc-to-dc converter based on a switched capacitor circuit is proposed. The proposed converter offers multiple outputs that can be individually regulated by a direct output voltage feedback or indirect cross regulations. The performance of the new converter is demonstrated using a 10W experimental converter that delivers 5V/1A output and 3.3V/1A output from a 10∼15V input source.

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The Multiple V-Y Advancement Modification for the Surgical Correction of Cryptotia

  • Nguyen Quang Duc;Nguyen Phuong Tien
    • Archives of Plastic Surgery
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    • v.50 no.1
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    • pp.26-29
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    • 2023
  • Cryptotia is a rare congenital auricular deformity among Caucasians but more common in Asians. Various operative techniques have been described, such as skin graft, V-Y plasty, Z plasty, and islands skin flap. Among those techniques, V-Y plasty has many advantages and is indicated for severe cases. However, several problems remain when this method is adopted, such as conspicuous scars and lowered hairline. To overcome these problems, the authors have developed a new technique, multiple V-Y advancement modification, which stitches the skin flaps together to a tight, discrete central focal point. This technique has the advantage of hiding scars behind the earlobe, providing enough skin for the deformed areas, minimizing the condition of the hairline being lowered and auriculocephalic sulcus depth.

A Highly Power-Efficient Single-Inductor Multiple-Outputs (SIMO) DC-DC Converter with Gate Charge Sharing Method

  • Nam, Ki-Soo;Seo, Whan-Seok;Ahn, Hyun-A;Jung, Young-Ho;Hong, Seong-Kwan;Kwon, Oh-Kyong
    • JSTS:Journal of Semiconductor Technology and Science
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    • v.14 no.5
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    • pp.549-556
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    • 2014
  • This paper proposes a highly power-efficient single-inductor multiple-outputs (SIMO) DC-DC converter with a gate charge sharing method in which gate charges of output switches are shared to improve the power efficiency and to reduce the switching power loss. The proposed converter was fabricated by using a $0.18{\mu}m$ CMOS process technology with high voltage devices of 5 V. The input voltage range of the converter is from 2.8 V to 4.2 V, which is based on a single cell lithium-ion battery, and the output voltages are 1.0 V, 1.2 V, 1.8 V, 2.5 V, and 3.3 V. Using the proposed gate charge sharing method, the maximum power efficiency is measured to be 87.2% at the total output current of 450 mA. The measured power efficiency improved by 2.1% compared with that of the SIMO DC-DC converter without the proposed gate charge sharing method.

Single-Electron Pass-Transistor Logic with Multiple Tunnel Junctions and Its Hybrid Circuit with MOSFETs

  • Cho, Young-Kyun;Jeong, Yoon-Ha
    • ETRI Journal
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    • v.26 no.6
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    • pp.669-672
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    • 2004
  • To improve the operation error caused by the thermal fluctuation of electrons, we propose a novel single-electron pass-transistor logic circuit employing a multiple-tunnel junction (MTJ) scheme and modulate a parameters of an MTJ single-electron tunneling device (SETD) such as the number of tunnel junctions, tunnel resistance, and voltage gain. The operation of a 3-MTJ inverter circuit is simulated at 15 K with parameters $C_g=C_T=C_{clk}=1\;aF,\;R_T=5\;M{\Omega},\;V_{clk}=40\;mV$, and $V_{in}=20\;mV$. Using the SETD/MOSFET hybrid circuit, the charge state output of the proposed MTJ-SETD logic is successfully translated to the voltage state logic.

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V2X Communication Module Design with Hybrid LTE-WAVE (LTE-WAVE 복합형 V2X 통신모듈 설계)

  • Lim, Ki-taeg;Jin, Seong-keun;Kwak, Jae-min
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2018.05a
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    • pp.395-398
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    • 2018
  • we propose a design method and process for hardware and software of hybrid V2X communication systems that support both C-ITS communication protocol and Legacy LTE communication technology. The hybrid V2X communication systems support multiple communication technologies of WAVE and LTE, in which WAVE supports multiple channels, so that it is designed to transmit road information such as LDM and positioning correction information to an autonomous vehicle in real time.

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Current-to-Voltage Converter Using Current-Mode Multiple Reset and its Application to Photometric Sensors

  • Park, Jae-Hyoun;Yoon, Hyung-Do
    • Journal of Sensor Science and Technology
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    • v.21 no.1
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    • pp.1-6
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    • 2012
  • Using a current-mode multiple reset, a current-to-voltage(I-V) converter with a wide dynamic range was produced. The converter consists of a trans-impedance amplifier(TIA), an analog-to-digital converter(ADC), and an N-bit counter. The digital output of the I-V converter is composed of higher N bits and lower bits, obtained from the N-bit counter and the ADC, respectively. For an input current that has departed from the linear region of the TIA, the counter increases its digital output, this determines a reset current which is subtracted from the input current of the I-V converter. This current-mode reset is repeated until the input current of the TIA lies in the linear region. This I-V converter is realized using 0.35 ${\mu}m$ LSI technology. It is shown that the proposed I-V converter can increase the maximum input current by a factor of $2^N$ and widen the dynamic range by $6^N$. Additionally, the I-V converter is successfully applied to a photometric sensor.