http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Fixtureless Inspection of Deformable Parts Using Partial Captures
Andrés Jaramillo,Flavio Prieto,Pierre Boulanger 한국정밀공학회 2013 International Journal of Precision Engineering and Vol. No.
A general scheme to validate the shape of a deformable part consists in performing a non-rigid alignment between measurements on the part’s surface with its CAD model. In many algorithms, this process requires the acquisition of a complete model of the inspected part, including regions near its fixation points. This paper proposes a system to perform inspection without the need to digitize the entire part’s surface or regions near fixation points. This algorithm uses instead of standard fixation points, surface feature points to compute the non-rigid transformation. Various tests on real parts show that a reduction of up to 58% of the RMS deviation in less than 3 iterations can be obtained using a single view of the part’s surface.
Emmanuelle Arsène,Géraldine Bleu,Benjamin Merlot,Loïc Boulanger,Denis Vinatier,Olivier Kerdraon,Pierre Collinet 대한부인종양학회 2015 Journal of Gynecologic Oncology Vol.26 No.2
Objective: Since European Society for Medical Oncology (ESMO) recommendations and French guidelines, pelvic lymphadenectomyshould not be systematically performed for women with early-stage endometrioid endometrial cancer (EEC) preoperativelyassessed at presumed low- or intermediate-risk. The aim of our study was to evaluate the change of our surgical practices afterESMO recommendations, and to evaluate the rate and morbidity of second surgical procedure in case of understaging after thefirst surgery. Methods: This retrospective single-center study included women with EEC preoperatively assessed at presumed low- orintermediate-risk who had surgery between 2006 and 2013. Two periods were defined the times before and after ESMOrecommendations. Demographics characteristics, surgical management, operative morbidity, and rate of understaging werecompared. The rate of second surgical procedure required for lymph node resection during the second period and its morbiditywere also studied. Results: Sixty-one and sixty-two patients were operated for EEC preoperatively assessed at presumed low-or intermediate-riskbefore and after ESMO recommendations, respectively. Although immediate pelvic lymphadenectomy was performed morefrequently during the first period than the second period (88.5% vs. 19.4%; p<0.001), the rate of postoperative risk-elevating orupstaging were comparable between the two periods (31.1% vs. 27.4%; p=0.71). Among the patients requiring second surgicalprocedure during the second period (21.0%), 30.8% did not undergo the second surgery due to their comorbidity or old age. For the patients who underwent second surgical procedure, mean operative time of the second procedure was 246.1±117.8minutes. Third operation was required in 33.3% of them because of postoperative complications. Conclusion: Since ESMO recommendations, second surgical procedure for lymph node resection is often required for womenwith EEC presumed at low- or intermediate-risk. This reoperation is not always performed due to age/comorbidity of thepatients, and presents a significant morbidity.
Large Scale Production of Nanoparticles by Laser Pyrolysis
Tenegal Francois,Guizard Benoit,Reau Adrien,Ye Chang,Boulanger Loic,Giraud Sophie,Canel Jerome 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
Laser pyrolysis is a very suitable method for the synthesis of a wide range of nanoparticles. A pilot unit based on this process has been recently developed at CEA. This paper reports results showing the possibility to produce SiC and nanoparticles at rates of respectively 1 and 0.2 kg/h and also the possibility to adjust the mean grain size of the particles and their structure by changing the laser intensity and reactants flow rates. First tests of liquid recovery have been also successfully performed to limit the risks of nanoparticles dissemination in the environement during their recovery.
Laurent Bé,chard,Olivier Corbeil,Marc-André,Thivierge,Ibrahim Assaad,Camille Boulanger,Marie-Pierre Mailhot,Alexis Turgeon-Fournier,Marc-André, Roy,Marie-France Demers 대한정신약물학회 2022 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.20 No.1
Clozapine has a unique efficacy in treatment-resistant schizophrenia. Its use is, however, associated with potential adverse events. Among those, clozapine induced rhabdomyolysis can compromise clozapine treatment. Recommendations surrounding the management of this rare adverse event are limited. We present a case of clozapine-induced rhabdomyolysis. A 20-year-old Caucasian male diagnosed with resistant schizophrenia developed, after a 5-month total exposition and a significant response to treatment, a marked creatine kinase (CK) elevation and important myalgia in the weeks following an increment from 175 to 200 mg of the daily dose of clozapine. This event also coincided with weight training as reported by the patient. The patient was hospitalized, and the clozapine was stopped following the diagnosis of rhabdomyolysis (CK 45,564 U/L). The cause of rhabdomyolysis was thoroughly investigated, and clozapine was held accountable for most. Clozapine cessation led to a severe psychotic relapse. Clozapine rechallenge while strictly monitoring CK was then performed allowing a significant clinical response. Clozapine was pursued despite two other episodes of mild CK elevations observed following weight training. Rhabdomyolysis comes as a rare adverse event of clozapine and its mechanism is poorly understood. Evidence on clozapine rechallenge following this adverse event is lacking and the innocuity of such practice is unknown. The unique aspect of our case report is that a shared decision with the medical team, patient and family led to a proactive clozapine rechallenge. More research is needed to provide robust guidelines and evidenced based approaches for clinicians in such a clinical dilemma.
Esterification of acetic and oleic acids within the Amberlyst 15 packed catalytic column
Yousuf Jamal,Jamshed Ali Khan,Afeeq Shahid,O’Neil Boulanger 한국화학공학회 2016 Korean Journal of Chemical Engineering Vol.33 No.2
A packed column system was used to study the esterification of acetic and oleic acids by the macro-porous acidic resin, Amberlyst 15. All reactions were at a constant temperature (75 oC) and catalyst mass (3 g). The impact of column flow rate conditions and the molar fatty acid to ethanol feedstock ratio on ester production is reported. The maximum ester production was noted at a flow rate of 0.25mL/min. The maximum observed ester yield for acetic acid (95.2±0.5%) and oleic acid (43.8±1.3%) was observed at an acid:ethanol molar ratio of 1 : 3 and 1 : 1, respectively. The difference in yield indicates the importance of the fatty acid chain length to the reaction.
Effect of rice husk gasification residue application on herbicide behavior in micro paddy lysimeter.
Ok, Junghun,Pisith, Sok,Watanabe, Hirozumi,Thuyet, Dang Quoc,Boulange, Julien,Takagi, Kazuhiro Springer Verlag 2015 Bulletin of environmental contamination and toxico Vol.94 No.6
<P>Effects of rice husk gasification residues (RHGR) application on the fate of herbicides, butachlor and pyrazosulfuron-ethyl, in paddy water were investigated using micro paddy lysimeters (MPLs). The dissipation of both herbicides in paddy water was faster in the RHGR treated MPL than in the control MPL. The average concentrations of butachlor and pyrazosulfuron-ethyl in paddy water in the lysimeter treated with RHGR during 21 days were significantly reduced by 51% and 48%, respectively, as compared to those in the lysimeter without RHGR application. The half-lives (DT50) of butachlor in paddy water for control and treatment were 3.1 and 2.3 days respectively, and these values of pyrazosulfuron-ethyl were 3.0 and 2.2 days, respectively. Based on this study, RHGR application in rice paddy environment is an alternative method to reduce the concentration of herbicide in paddy field water and consequently to reduce potential pollution to aquatic environment.</P>