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Veeraraghavan Sriram,Pandurangan Narendhiran,Kidambi Bharath Raj 아시아심장혈관영상의학회 2022 Cardiovascular Imaging Asia Vol.6 No.1
We report a case of a 29-year-old female in her last trimester of pregnancy who presented with symptoms of paroxysmal nocturnal dyspnea and positional presyncope. Her echocardiogram revealed a huge left atrial myxoma with prolapse and obstruction to the mitral valve. She underwent an emergency Caesarian section followed by successful surgical resection of the left atrial myxoma. The neonate and the mother were discharged in stable condition.
Nonlinear Control of Thermoacoustic Oscillations in Rijke-Type Systems
William MacKunis,Mahmut Reyhanoglu,Krishna Bhavithavya Kidambi,Jaime Rubio Hervas 제어로봇시스템학회 2016 제어로봇시스템학회 국제학술대회 논문집 Vol.2016 No.10
This paper presents a robust and adaptive nonlinear controller to asymptotically regulate thermoacoustic oscillations in a Rijke-type system in the presence of dynamic model uncertainty and unknown disturbances. A mathematical model that includes unmodelled nonlinearities and parametric uncertainty is first introduced. A robust and adaptive nonlinear control law is then developed to compensate for the parametric uncertainty and unmodelled nonlinearities. Results of Monte Carlo-type simulations are included to demonstrate the effectiveness of the control law.
Kennerson, Marina L.,Kim, Eun J.,Siddell, Anna,Kidambi, Aditi,Kim, Sung M.,Hong, Young B.,Hwang, Sun H.,Chung, Ki W.,Choi, Byung‐,Ok Wiley Periodicals, Inc. 2016 Journal of the peripheral nervous system Vol.21 No.1
<P><B>Abstract</B></P><P>Charcot‐Marie‐Tooth disease (CMT) is the most common inherited peripheral neuropathy. Mutations in the pyruvate dehydrogenase kinase isoenzyme 3 (<I>PDK3</I>) gene have been found to cause X‐linked dominant CMT type 6 (CMTX6). This study identified the p.R158H <I>PDK3</I> mutation after screening 67 probable X‐linked CMT families. The mutation fully segregated with the phenotype, and genotyping the family indicated the mutation arose on a different haplotype compared with the original Australian CMTX6 family. Results of bisulphite sequencing suggest that methylated deamination of a CpG dinucleotide may cause the recurrent p.R158H mutation. The frequency of the p.R158H <I>PDK3</I> mutation in Koreans is very rare. Magnetic resonance imaging revealed fatty infiltration involving distal muscles in the lower extremities. In addition, fatty infiltrations were predominantly observed in the soleus muscles, with a lesser extent in tibialis anterior muscles. This differs from demyelinating CMT1A patients and is similar to axonal CMT2A patients. The clinical, neuroimaging, and electrophysiological findings from a second CMTX6 family with the p.R158H <I>PDK3</I> mutation were similar to the axonal neuropathy reported in the Australian family.</P>