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Analysis of the Emissions and Performance of a Diesel Engine Using Pumpkin Seed Oil Methyl Ester with Different Injection Pressures

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Fluid Dynamics & Materials Processing 2023年第4期19卷 1003-1014页

作者： Surendrababu Kuppusamy Prabhahar Muthuswamy Muthurajan Kumarasamy Sendilvelan Subramanian Research Scholar Department of Mechanical EngineeringVinayaka Missions Research FoundationChennai603104India Department of Mechanical Engineering Aarupadai Veedu Institute of TechnologyVinayaka Missions Research FoundationChennai603104India Department of Mechanical Engineering Vinayaka Mission’s Kirupananda Variyar Engineering CollegeVinayaka Mission Research FoundationChennai636001India Department of Mechanical Engineering Dr.M.G.R.Educational and Research InstituteChennai600095India

Biodiesel fuel is a potential alternative energy source for diesel engines due to its physiochemical characteristics relatively similar to those of traditional diesel *** this study,the performance,emission,and combustion features of a mono cylinder DI diesel engine are assessed using 20%Pumpkin seed methyl ester(PSOME20)and considering varying injection pressures(200,220,240,and 260 bar).The considered Pumpkin seed oil is converted into pumpkin biodiesel by transesterification and then used as *** findings demonstrate that the Brake Thermal Efficiency(BTE)of PSOME20 can be raised by 1.68%,and the carbon monoxide(CO),hydrocarbon(HC),and smoke emanations can be lowered,while oxides of nitrogen(NOx)emissions are increased at an injection pressure(IP)of 240 bar compared to the standard IP of 200 *** cylinder pressure and the Heat Release Rate(HRR)become higher at 240 bar,whereas the ignition delay is shortened with respect to PSOME20 at a normal IP of 200 bar.

关键词： Pumpkin seed biodiesel performance emission diesel engine injection pressure

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Further recommendations for trauma training of Indian medical officers and medical students

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World Journal of Emergency Medicine 2011年第2期2卷 85-87页

作者： Robert J Douglas Tonia M Mezzini GAnand Kumar Andrew JA Giles Sportsmed Sa 32 Payneham Road Stepney South Australia 5069 Clinic 275 Royal Adelaide Hospital Adelade South Australia 5000 vinayaka missions kirubananda variyar medical college hospital Salem Tamil Nadu India Emergency Department Royal Adelaide Hospital Adelaide South Australia 5000

In a recent article,1 we have demonstrated a significant difference in the theoretical knowledge of both junior and senior emergency department （ED） medical officers （M0s） from Salem, Tamil Nadu, India, and the Royal Adelaide hospital （RAH） Adelaide, South Australia, in the management of severely injured trauma patients, when comparing M0s who had completed an ATLS-type program with those who had not undertaken such a program.

关键词： Further recommendations trauma training of Indian medical

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Dermoscopic Assessment of Pityriasis Versicolor:A Cross-Sectional Observational Study

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International Journal of Dermatology and Venereology 2023年第3期6卷 130-135页

作者： Navakumar Manickam Praveen Vasanthi Saminathan Deepika Vazhavanthan Kannan Gopalan Department of Skin&STD Vinayaka Mission’s Kirupananda Variyar Medical College&HospitalVinayaka Mission’s Research Foundation(deemed to be University)SalemTamil Nadu 636308India

Objective:Pityriasis versicolor(PV)is usually a clinical *** uncertain cases,PV is confirmed by microscopic examination with 10%potassium hydroxide(KOH).However,the KOH test is not 100%sensitive in diagnosing *** of PV is still an unexplored area with very little data *** study was planned to study the various dermoscopic features and their utility in the diagnosis of ***:This cross-sectional observational study was carried out over a 1-year period(September 2020-September 2021)among 57 patients with KOH-confirmed *** patients underwent dermoscopy using a handheld dermoscope(DermLite DL4;DermLite LLC).The chi-square test or Fisher’s exact test was used to analyze the ***:Of the 57 patients,43(75.44%)had the hypopigmented type,followed by the hyperpigmented type(n=12,21.05%)and the perifollicular type(n=2,3.51%).Nonuniform pigmentation was the most common dermoscopic finding observed in both patients with hypopigmented PV(n=42,97.67%)and hyperpigmented PV(n=12,100%)(P=0.001).Scaling was the second most commonly observed finding;patchy scaling(n=25,58.13%)and perifollicular scaling(n=13,30.23%)were commonly seen in hypopigmented PV,while hyperpigmented PV showed more diffuse scaling(n=6,50.00%)(P=0.04)followed by patchy scaling(n=5,41.66%).Dermoscopy showed unique“double-edged scales”in all lesions with furrow scaling(n=11,19.30%)after eliciting a positive evoked scale *** interesting features seen in hypopigmented PV were hypopigmentation around the hair follicle(n=24,55.48%)(P=0.001)and perilesional hyperpigmentation(the halo sign)(n=15,34.88%)(P=0.04).Conclusion:We observed several dermoscopic findings in PV that can serve as useful clues for differentiating PV from other similar disorders.

关键词： dermoscopy hypopigmented hyperpigmented pityriasis versicolor tinea versicolor

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Efficacy and Tolerability of 0.1%Adapalene With 1%Clindamycin Versus 0.1%Adapalene With 2.5%Benzoyl Peroxide on Acne Vulgaris:A Case Control Study

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International Journal of Dermatology and Venereology 2023年第1期6卷 20-24页

作者： Annie Priya Dharshini Inbamani Navakumar Manickam Kannan Gopalan Department of Dermatology Srinivasan Medical College and HospitalSamayapuramTrichyTamil Nadu 621112India Department of Skin&STD Vinayaka Mission’s Kirupananda Variyar Medical College&HospitalVinayaka Mission’s Research FoundationSalemTamil Nadu 636308India

Objective:Combination therapy is currently the preferred acne *** conducted this study to compare the efficacy and tolerability of 0.1%adapalene with 1%clindamycin versus 0.1%adapalene with 2.5%benzoyl peroxide(BPO)in the treatment of acne ***:This study was conducted over a period of 1 year from September 2014 to September ***-hundred patients aged 14 to 30 years with mild to moderate acne vulgaris were *** patients were randomly allocated to 2 equal groups(n=50 in each group),and received a topical combination of 0.1%adapalene with 1%clindamycin andtopical combination of 0.1%adapalene with 2.5%BPO,respectively).The efficacy and tolerability of two treatments were *** unpaired studentt test was used to compare the difference in continuous variables between 2 groups,while the chi-square test or Fisher exact test was used for categorical ***:One-hundred patients with mild to moderate acne vulgaris were randomly allocated to 2 equal groups(n=50 in each group).After 12 weeks of treatment,there were no significant differences between the adapalene-clindamycin and adapalene-BPO in the mean reductions in the numbers of non-inflammatory lesions(11.16±8.01 and 11.12±8.62,respectively),inflammatory papules(49.78±37.57 and 50.48±36.57,respectively),and total lesions(67.50±44.59 and 70.12±46.83,respectively).The incidence of a burning sensation was significantly greater in the adapalene-BPO group than the adapalene-clindamycin group(32%vs.6%;P=0.002).Conclusion:Topical adapalene plus clindamycin and adapalene plus BPO had similar efficacies in the treatment of *** with clindamycin was better tolerated than adapalene with BPO.

关键词： acne adapalene clindamycin benzoyl peroxide

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