- Evaluation of the Long-Term Stability for the Cylindrical Ionization Chambers
-
Rah JE, Hong JY, Kim GY, Lim CI, Jeong HK, Shin DO, Suh TS
- KMID: 2323581
- J Korean Soc Ther Radiol Oncol.
- 2006 Jun;24(2):138-143.
PURPOSE: To analyze the long-term stability of Farmer-type cylindrical ionization chambers by calibration factor provided from the KFDA (Korea Food Drug Administration) MATERIALS AND METHODS: The cylindrical ionization chambers used in... -
- CITED
-
- Close
- SHARE
-
- Close
- Acoustic Calibration of Clinical Audiometers Used for Special Periodic Health Examination
-
Kim KS, Won YL, Chung SY, Kang SK
- KMID: 2141545
- Korean J Occup Environ Med.
- 2004 Dec;16(4):381-390.
OBJECTIVES: Various problems are encountered during audiometric testing. Deviation from reference threshold levels for supra-aural earphones is often a serious problem when hearing levels are measured. This paper reports the... -
- CITED
-
- Close
- SHARE
-
- Close
- Necessity of Reticulocyte Calibration for More Accurate and Precise Results
-
Lim YK, Chi HY, Lee MK, Kim HR
- KMID: 2408079
- Ann Lab Med.
- 2018 Jul;38(4):375-377.
- doi: 10.3343/alm.2018.38.4.375
No abstract available. -
- CITED
-
- Close
- SHARE
-
- Close
- Report of Present Status of Calibration for Domestic Radiation Measurements Instruments
-
Lim S, Choi J, An S, Cho KH, Lee SH, Lee R, Cho SJ
- KMID: 2161938
- Prog Med Phys.
- 2016 Mar;27(1):46-53.
- doi: 10.14316/pmp.2016.27.1.46
Periodical calibrations of radiation detectors are important for accurate quality assurance of therapeutic linac. The measuring instruments such as ion-chamber, thermometer, barometer, and survey meter should be calibrated periodically. Period... -
- CITED
-
- Close
- SHARE
-
- Close
- Error Minimization of Respiratory Air Flow Measurement by Pneumotachometer
-
Cha EJ, Kang YK, Lee TS
- KMID: 2329833
- J Korean Soc Med Inform.
- 2000 Mar;6(1):67-78.
Pneumotachometer is the most widely used respiratory air flow sensor. But the measurement error hard to be ignored exists, since the empirical calibration carve in a closed form cannot provide... -
- CITED
-
- Close
- SHARE
-
- Close
- Practical Output Dosimetry with Undefined NdwCo-60 of Cylindrical Ionization Chamber for High Energy Photon Beams of Linear Accelerator
-
Oh YK, Choi TJ, Song JY
- KMID: 2425223
- Korean J Med Phys.
- 2012 Jun;23(2):114-122.
For the determination of absorbed dose to water from a linear accelerator photon beams, it needs a exposure calibration factor Nx or air kerma calibration factor Nk of air ionization... -
- CITED
-
- Close
- SHARE
-
- Close
- Development of Web-based Dosimetry Calibration Program for High Energy Radiation
-
Shin DO, Shin D, Kim SH, Park SY, Seo WS, Ahn HK, Kang JO, Hong SE
- KMID: 2080297
- Korean J Med Phys.
- 2005 Sep;16(3):116-124.
Absorbed dose dosimetry protocols of high energy photon and electron beams, which are widely used and based on an air kerma calibration factors, have somewhat complex formalism and limitations for... -
- CITED
-
- Close
- SHARE
-
- Close
- High Dose Rate Ir-192 Source Calibration Method with Newly Designed Calibration Jig
-
Yi BY, Choi EK, Chang H
- KMID: 2197214
- J Korean Soc Ther Radiol.
- 1989 Dec;7(2):299-304.
Authors have developed highly reproducible calibration method for the Micro-Selection HDR Ir-192 system(Nucletron, Netherland). The new jig has a 10cm radius circular hole in the 30cm x 30cm x 0.2cm... -
- CITED
-
- Close
- SHARE
-
- Close
- Validation of New Derivatization Procedure for the Determination of Hippuric Acid in Urine Using Gas Chromatography
-
Cho SH, Yim YH, Kim SM, Kwon HJ, Ha MN, Han SH
- KMID: 2141608
- Korean J Occup Environ Med.
- 1995 Feb;7(1):58-62.
Urinary hippuric acid was analyzed by gas chromatography/mass spectrometry method. A simple and economical derivatization procedure using excessive methanol in acidic condition was adopted to esterify hippuric acid. Quantitative analysis... -
- CITED
-
- Close
- SHARE
-
- Close
- Analysis of Accuracy of Apparent Activity According to Calibration Method for High Dose Rate Brachytherapy Source
-
Huh HD, Choi JH, Choi SH, Kim SH, Kim WC, Kim HJ, Lee R, Kim KB, Hong SE, Shin DO
- KMID: 2243974
- Korean J Med Phys.
- 2008 Dec;19(4):305-312.
The aim of this study is to introduce the accuracy of Ir-192 source's apparent activity using the well-type chamber and the Farmer-type ionization chamber in the high dose rate brachytherapy.... -
- CITED
-
- Close
- SHARE
-
- Close
- Calibration and Radiation Survey of High Dose Rate Remote Afterloading System
-
Lee JO, Kang JK, Moon SR
- KMID: 2196731
- J Korean Soc Ther Radiol.
- 1995 Mar;13(1):101-112.
High Dose Rate Remote Afterloading system was installed at Wonkwang Universi-ty Hospital in January 1994. In this report, the calibration of a Gammamed 12-i High Dose Rate Remote Afterloading system... -
- CITED
-
- Close
- SHARE
-
- Close
- Development of Geometric Calibration Method for Triple Head Pinhole SPECT System
-
Kim JH, Lee JS, Lee WW, Park SY, Son JY, Kim YK, Kim SE, Lee DS
- KMID: 2051928
- Nucl Med Mol Imaging.
- 2008 Feb;42(1):62-69.
PURPOSE: Micro-pinhole SPECT system with conventional multiple-head gamma cameras has the advantage of high magnification factor for imaging of rodents. However, several geometric factors should be calibrated to obtain the... -
- CITED
-
- Close
- SHARE
-
- Close
- Need for Cross-calibration of Body Composition Even with the Same Model of Dual-energy X-ray Absorptiometry
-
An SY, Choi YJ, Lee BJ, Chung YS
- KMID: 2314125
- Osteoporosis.
- 2012 Dec;10(3):129-135.
OBJECTIVES: The purpose of this study was to compare total body fat mass, lean mass, and bone mineral content in addition to regional fat measured by the same model of... -
- CITED
-
- Close
- SHARE
-
- Close
- Comparison of clinical validation of acceleromyography and electromyography in children who were administered rocuronium during general anesthesia: a prospective double-blinded randomized study
-
Jung W, Hwang M, Won YJ, Lim BG, Kong MH, Lee IO
- KMID: 2152855
- Korean J Anesthesiol.
- 2016 Feb;69(1):21-26.
- doi: 10.4097/kjae.2016.69.1.21
BACKGROUND: Electromyography and acceleromyography are common neuromuscular monitoring devices. However, questions still remain regarding the use of acceleromyography in children. This study compared the calibration success rates and intubation conditions... -
- CITED
-
- Close
- SHARE
-
- Close
- The Study on the Use of a Cylindrical Ionization Chamber for the Calibration of a 6 MeV Electron Beam
-
Kim SH, Huh H, Choi SH, Choi J, Kim HJ, Lim C, Shin DO
- KMID: 1989088
- Korean J Med Phys.
- 2009 Dec;20(4):317-323.
The standard dosimetry systems based on an absorbed dose to water recommend to use a planeparallel chamber for the calibration of such a low-megavoltage electron beam as a nominal energy... -
- CITED
-
- Close
- SHARE
-
- Close
- Study on Short Term Test-Retest Reliability of High Frequency Audiometry
-
Park JY, Jung HS, Park HM, Moon IH, Jun BH
- KMID: 2274298
- Korean J Otolaryngol-Head Neck Surg.
- 1997 Feb;40(2):240-245.
Although high frequency threshold has been regarded as a early detector of cochlear damage, there has been no standardized system for calibration or measurement of high frequency threshold. Compared measurement... -
- CITED
-
- Close
- SHARE
-
- Close
- Improvement of the Dose Calculation Accuracy Using MVCBCT Image Processing
-
Kim MJ, Cho W, Kang YN, Suh TS
- KMID: 1436555
- Korean J Med Phys.
- 2012 Mar;23(1):62-69.
The dose re-calculation process using Megavoltage cone-beam CT images is inevitable process to perform the Adaptive Radiation Therapy (ART). The purpose of this study is to improve dose re-calculation accuracy... -
- CITED
-
- Close
- SHARE
-
- Close
- Development of a Dose Calibration Program for Various Dosimetry Protocols in High Energy Photon Beams
-
Shin DO, Park SY, Ji YH, Lee CG, Suh TS, Kwon SI, Ahn HK, Kang JO, Hong SE
- KMID: 2323821
- J Korean Soc Ther Radiol Oncol.
- 2002 Dec;20(4):381-390.
PURPOSE: To develop a dose calibration program for the IAEA TRS-277 and AAPM TG-21, based on the air kerma calibration factor (or the cavity-gas calibration factor), as well as for... -
- CITED
-
- Close
- SHARE
-
- Close
- Development of Ultrasound Phantom for Volume Calibration
-
Kim HY, Lee JH, Lee KJ, Suh H, Lee R
- KMID: 2243963
- Korean J Med Phys.
- 2008 Dec;19(4):227-230.
The purpose of this study was to design and construct an ultrasound phantom for volume calibration and evaluate the volume measurement accuracy of a 2 dimensional ultrasonic system. Ultrasound phantom... -
- CITED
-
- Close
- SHARE
-
- Close
- Simulated Nystagmus Blockage Syndrome
-
Kim JK, Jhung JI, Lee JB
- KMID: 1949883
- J Korean Ophthalmol Soc.
- 1993 Jun;34(6):545-548.
Manifest latent nystagmus (MLN) combined with esotropia may be confused with the nystagmus blockage syndrome (NBS), so the NBS may be overdiagnosed. The NBS is similar to MLN in the... -
- CITED
-
- Close
- SHARE
-
- Close
