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3篇 您的检索式:作者名="Saravanan ARUMUGAM"
    题名 作者 年代 出处 被引量
1Protective Effects of d ‐Limonene on Lipid Peroxidation and Antioxidant Enzymes in Streptozotocin‐Induced Diabetic Rats显示文摘Ramakrishnan Murali Arumugam Karthikeyan Ramalingam Saravanan 2012Basic Clin Pharmacol Toxicol2012,,3:2
2Ameliorative effects of curcumin against renal injuries mediated by inducible nitric oxide synthase and nuclear factor kappa B during gentamicin-induced toxicity in Wistar rats显示文摘Ramar Manikandan Manikandan Beulaja Raman Thiagarajan Asokan Priyadarsini Rajendran Saravanan Munusamy Arumugam 2011European Journal of Pharmacology2011,,2:1
3Feedback model of secondary electron emission in DC gas discharge plasmas显示文摘Feedback is said to exist in any amplifier when the fraction of output power in fed back as an input.Similarly,in gaseous discharge ions that incident on the cathode act as a natural feedback element to stabilize and self sustain the discharge.The present investigation is intended to emphasize the feedback nature of ions that emits secondary electrons(SEs)from the cathode surface in DC gas discharges.The average number of SEs emitted per incident ion and non ionic species(energetic neutrals,metastables and photons)which results from ion is defined as effective secondary electronemission coefficient(ESEEC,_Eg).In this study,we derive an analytic expression that corroborates the relation between_Eg and power influx by ion to the cathode based on the feedback theory of an amplifier.In addition,experimentally,we confirmed the typical positive feedback nature of SEEfrom the cathode in argon DC glow discharges.The experiment is done for three different cathode material of same dimension(tungsten(W),copper(Cu)and brass)under identical discharge conditions(pressure:0.45 mbar,cathode bias:-600 V,discharge gab:15 cm and operating gas:argon).Further,we found that the_Eg value of these cathode material controls the amount of feedback power given by ions.The difference in feedback leads different final output i.e the power carried by ion at cathode(P_i _C¢∣).The experimentally obtained value of P_i _C¢∣is 4.28 W,6.87 W and9.26 W respectively for W,Cu and brass.In addition,the present investigation reveals that the amount of feedback power in a DC gas discharges not only affect the fraction of power fed back to the cathode but also the entire characteristics of the discharge.Saravanan ARUMUGAM Prince ALEX Suraj Kumar SINHA 2018Plasma Science and Technology2018,20,2:0
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