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| 1 | On the Application of PCA Technique to Fault Diagnosis显示文摘In this paper, we briefly address the application of the standard principal component analysis (PCA) technique to fault detection and identification. Based on an analysis of the existing test statistic, we propose a new test statistic, which is similar to the Hawkin’s TH 2 statistic but without the numerical drawback. In comparison with the SPE index, the threshold setting associated with the new statistic is computationally simpler. Our further study is dedicated to the analysis of fault sensitivity. We consider the off-set and scaling faults, and evaluate the test statistic by viewing its sensitivity to the faults. Our final study focuses on identifying off-set and scaling faults. To this end, two algorithms are proposed. This paper also includes some critical remarks on the application of the PCA technique to fault diagnosis. | DING S ZHANG P DING E YIN S Naik A DENG P GUI W | 2010 | Tsinghua Science and Technology2010,15,2: | 31 |
| 2 | Diffusion-weighted magnetic resonance imaging to predict response of hepatocellular carcinoma to chemoembolization显示文摘AIM: To investigate whether intra-procedural diffusion- weighted magnetic resonance imaging can predict response of hepatocellular carcinoma (HCC) during trans- catheter arterial chemoembolization (TACE). METHODS: Sixteen patients (15 male), aged 59 ±11 years (range: 42-81 years) underwent a total of 21 separate treatments for unresectable HCC in a hybrid magnetic resonance/interventional radiology suite. Ana- tomical imaging and diffusion-weighted imaging (b = 0, 500 s/mm2) were performed on a 1.5-T unit. Tumor enhancement and apparent diffusion coefficient (ADC, mm2/s) values were assessed immediately before and at 1 and 3 mo after TACE. We calculated the percent change (PC) in ADC values at all time points. We compared follow-up ADC values to baseline values using a paired t test (α = 0.05). RESULTS: The intra-procedural sensitivity, specificity, and positive and negative predictive values (%) for detecting a complete or partial 1-mo tumor response using ADC PC thresholds of ±5%, ±10%, and ±15% were 77, 67, 91, and 40; 54, 67, 88, and 25; and 46, 100, 100, and 30, respectively. There was no clear predictive value for the 3-mo follow-up. Compared to baseline, the immediate post-procedure and 1-mo mean ADC values both increased; the latter obtaining statistical significance (1.48 ± 0.29 mm2/s vs 1.65 ± 0.35 × 10-3 mm2/s, P < 0.014). CONCLUSION: Intra-procedural ADC changes of > 15% predicted 1-mo anatomical HCC response with the greatest accuracy, and can provide valuable feedback at the time of TACE. | Johnathan C Chung Neel K Naik Robert J Lewandowski Mary F Mulcahy Laura M Kulik Kent T Sato Robert K Ryu Riad Salem Andrew C Larson Reed A Omary | 2010 | World Journal of Gastroenterology2010,16,25: | 13 |
| 3 | 固定低剂量三联抗高血压药物与常规治疗对斯里兰卡轻度至中度高血压患者血压控制的疗效差异:一项随机临床试验显示文摘控制不良的高血压是全球领先的公共卫生问题,需要新的治疗策略。该研究评估低剂量三联抗高血压药物治疗是否能达到比常规治疗更好的血压控制。研究者纳入2016年2月至2017年5月在斯里兰卡11所城市医院诊所就诊的需要开始抗高血压治疗(未治疗的患者)或接受单药治疗的患者,进行低剂量三联降压与常规治疗比较的随机、开放性试验,随访至2017年10月。 | Web-ster R Salam A de Silva HA Selak V Stepien S Rajapakse S Amarasekara S Amarasena N Billot L de Silva AP Fernando M Guggilla R Jan S Jayawardena J Maulik PK Mendis S Munasinghe J Naik N Prabhakaran D Ranasinghe G Thom S Tisserra N Senaratne V Wijekoon S Wijeyasingam S Rodgers A Patel A 刘莉 叶鹏 | 2018 | 中华高血压杂志2018,26,12: | 7 |
| 4 | Functional outcome of tibial fracture with acute compartment syndrome and correlation to deep posterior compartment pressure显示文摘AIM To measure single baseline deep posterior compartment pressure in tibial fracture complicated by acute compartment syndrome(ACS) and to correlate it with functional outcome.METHODS Thirty-two tibial fractures with ACS were evaluated clinically and the deep posterior compartment pressure was measured. Urgent fasciotomy was needed in 30 patients. Definite surgical fixation was performed either primarily or once fasciotomy wound was healthy. The patients were followed up at 3 mo, 6 mo and one year. At one year, the functional outcome [lower extremity functional scale(LEFS)] and complications were assessed.RESULTS Three limbs were amputated. In remaining 29 patients, the average times for clinical and radiological union were 25.2 ± 10.9 wk(10 to 54 wk) and 23.8 ± 9.2 wk(12 to 52 wk) respectively. Nine patients had delayed union and 2 had nonunion who needed bone grafting to augment healing. Most common complaint at follow up was ankle stiffness(76%) that caused difficulty in walking,running and squatting. Of 21 patients who had paralysis at diagnosis, 13(62%) did not recover and additional five patients developed paralysis at follow-up. On LEFS evaluation, there were 14 patients(48.3%) with severe disability, 10 patients(34.5%) with moderate disability and 5 patients(17.2%) with minimal disability. The mean pressures in patients with minimal disability, moderate disability and severe disability were 37.8, 48.4 and 58.79 mmH g respectively(P < 0.001).CONCLUSION ACS in tibial fractures causes severe functional disability in majority of patients. These patients are prone for delayed union and nonunion; however, long term disability is mainly because of severe soft tissue contracture. Intracompartmental pressure(ICP) correlates with functional disability; patients with relatively high ICP are prone for poor functional outcome. | Saumitra Goyal Monappa A Naik Sujit Kumar Tripathy Sharath K Rao | 2017 | World Journal of Orthopedics2017,8,5: | 3 |
| 5 | GATA3 controls Foxp3^sup +^ regulatory T cell fate during inflammation in mice显示文摘 | Wohlfert Elizabeth A Grainger John R Bouladoux Nicolas Konkel Joanne E Oldenhove Guillaume Ribeiro Carolina Hager Hall Jason A Yagi Ryoji Naik Shruti Bhairavabhotla Ravikiran Paul William E Bosselut Remy Wei Gang Zhao Keji Oukka Mohamed Zhu | 2011 | Journal of Clinical Investigation2011,,11: | 2 |
| 6 | Jasmonic acid induced changes in protein pattern, antioxidative enzyme activities and peroxidase isoenzymes in peanut seedlings显示文摘 | Kumari G J Reddy A M Naik S T | 2006 | Biologia Plantarum2006,,50: | 1 |
| 7 | Simultaneous visual detection of pulse chirp and temporal asymmetry in ultrashort laser pulses using analysis of unbalanced interferometrie correlation envelope (ICE) functions 显示文摘 | SHARMA A K NAIK P A GUPTA P D | 2007 | Applied Physics B2007,87,4: | 1 |
| 8 | Detection of a long non-coding RNA (CCAT1) in living cells and human adenocarcinoma of colon tissues using F1T-PNA molecular beacons显示文摘 | Kam Y Rubinstein A Naik S | 2014 | Cancer Lett2014,352,1: | 1 |
| 9 | Interaction Effect of Two Arbitrarily Oriented Cracks-Part Ⅰ显示文摘 | UKADGAONKER V G NAIK A P | | 0,,03: | 1 |
| 10 | Interaction be- tween a potent corticosteroid drug -dexamethasone with bo- vine serum albumin and human serum albumin: A fuores- cence quenching and fourier transformation infrared spec- troscopy study 显示文摘 | Naik P N Chimatadar S A Nandibewoor S T | 2010 | Journal of Photochemistry and Photobiol- ogy B: Biology2010,100,3: | 1 |
| 11 | My treatment approach to hairy cell leukemia 显示文摘 | Naik RR Saven A | 2012 | Mayo Clin Proc2012,87,1: | 1 |
| 12 | Management of' canalicular lacerations : epidmniological aspects and experience with mini-monoka monocanalicular stent 显示文摘 | Naik MN Kelapure A Rath S | 2008 | Am J Ophthalmol2008,145,2: | 1 |
| 13 | An architecture for the coordination of system management services 显示文摘 | NAIK V K MOHINDRA A BANTZ D F | 2004 | IBM Systems Journal2004,43,1: | 1 |
| 14 | A successful modification of ultrafiltration for cardiopulmonary bypass in children 显示文摘 | Naik SK Knight A Elliott MJ | 1991 | Perfusion1991,6,1: | 1 |
| 15 | Effect of fiber architecture parameters on deformation field and elastic moduli of 2-Dbraided composite 显示文摘 | Naik R A Ifju P G Masters J E | 1994 | Journal of Composite Materials1994,28,7: | 1 |
| 16 | Topical iontophoresis of valaciclovir hydrochloride improves cutaneous aciclovir delivery显示文摘 | ABLA N NAIK A GUY R H | 2006 | Pharm Res2006,23,8: | 1 |
| 17 | Role of 14 - bp deletion in the HLA - G gene in the maintenance of pre- grancy 显示文摘 | Tripathi P Abbas A Naik S | 2004 | Tissue Antigens2004,64,6: | 1 |
| 18 | Virtual simulation training for fi- breoptic intubation显示文摘 | Boet S Naik V N Diemunsch P A | 2009 | Can J Anaesth2009,56,1: | 1 |
| 19 | Selective synthesis of N doped mesoporous TiO2 phase having enhanced photocatalytic显示文摘 | Gandhe A R Naik S P Femandes J B | | 0,,: | 1 |
| 20 | A secondorder autocorrelator for single-shot measurement of femtosecond laser pulse durations 显示文摘 | M raghuramaiah A K sharma P A naik | 2001 | Sadhana2001,26,6: | 1 |