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An Intelligent Approach in Monitoring and Controlling of Bunker Coal Level in Thermal Power Plant
M.Surekha,R.Preethi,S.Kalpanadevi,N. Suthanthira Vanitha 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.4
Currently coal fired power plant requires bunker or stock piles in order to place the coal for storage purpose and to use it effectively when demand arises. Real time sensors are used to sense level of the coal and to pass data to computational systems for processing hence further actions such as refilling and distributing of coal can be automated. Further the control action in level sensing can be enhanced by using fuzzy logic controller which is an intelligent system. Thus the proposed system of coal unit provides the optimum control with increased efficiency. The simulation results are achieved by using LabVIEW.
Genetic Optimization based Adaptive Fuzzy Logic Control of a pH Neutralization Process
Parikshit Kishor Singh,Surekha Bhanot,Hare Krishna Mohanta 보안공학연구지원센터 2014 International Journal of Control and Automation Vol.7 No.11
Presence of severe nonlinearity in pH neutralization process makes the problem of pH control a difficult and challenging one. Further, optimized control of such highly nonlinear system requires tuning of various parameters with a suitable evolutionary algorithm (EA). This paper presents genetic algorithm (GA) based unconstrained, continuous and single-objective optimization of conventional and adaptive nonlinear fuzzy logic control (FLC) of pH neutralization process for servo and regulatory operations. The GA optimized adaptive FLC scheme changes the universe of discourse of input-output membership functions based on the region of operation and amount of step change in set-point and load. The performance of controllers are evaluated using integral of squared errors (ISE) and tested for random step changes in set-point and load.
Spermidine alleviates oxidative stress in silk glands of Bombyx mori
Aparna Yerra,Surekha Challa,Satyavathi V. Valluri,Anitha Mamillapalli 한국응용곤충학회 2016 Journal of Asia-Pacific Entomology Vol.19 No.4
Silk gland is a specialized organ for the synthesis of silk. Spermidine is a natural polyamine present in all living cells. It gained attention recently due to its role in longevity and growth promotion. Our earlier study reported enhancement in silk production after spermidine treatment during the 5th instar larval stage of Bombyx mori hybrid strain CSR2 × CSR4. Oxidative stress increases during the degeneration of silk glands in spinning stage. Spermidine plays an important role in relieving oxidative stress. Results showed that exogenous administration of natural polyamine, spermidine, significantly increased the metabolic activity and reduced the oxidative stress of the silk gland in the pre-pupal stage. Expression analysis also confirmed increase in metabolic activity of silk glands after spermidine treatment by showing enhancement inMYC gene expression. Finally, our results demonstrate that supplementation of spermidine enhanced cell viability and decreased oxidative stress of the silk glands. Thiswork also opens up the idea of feeding antioxidants to silkworms which would be beneficial to the sericulture farmers.
Thippeveeranna, Chamaraja,Mohan, Surekha Sadhana,Singh, Laiphrakpam Ranjit,Singh, Naorem Nabakishore Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.2
Background: Cancer of the uterine cervix is one of the most common cancers among women worldwide. Industrialized countries have dramatically reduced the incidence of mortality from cervical carcinoma in the last 50 years through aggressive screening programs utilizing pelvic examinations and Papanicolaou (Pap) smears but it still remains a major problem in the developing world. Objectives: This study was performed to determine knowledge, attitude and practice of Pap smear as a screening procedure among nurses in a tertiary hospital in north eastern India. Material and Methods: This cross sectional study was carried out with a questionnaire survey covering the socio demographic factors, knowledge, attitude and practices about Pap smear screening among 224 nurses in Regional Institute of Medical Sciences, Imphal, Manipur, India during December 2011. Results: Two hundred and twenty one participants (98.6%) had heard about cervical carcinoma but 18.3% lacked adequate knowledge regarding risk factors. Knowledge about the Pap smear was adequate in 88.8% of the respondents. Out of these, only 11.6% had Pap smear at least once previously. The most common reasons for non-participation in screening were lack of any symptoms (58.4%), lack of counselling (42.8%), physician does not request (29.9%) and fear of vaginal examination (20.5%). Conclusion: Although knowledge of Pap smear as a screening procedure for cervical cancer is high, practice is still low. The nurses who should be responsible for opportunistic screening of women they care for are not keen on getting screened themselves. If we can improve the practice of Pap smear screening in such experts, they should be able to readily provide appropriate and accurate information and motivate the general population to join screening programs.
Kotla, Anuradha,Agarwa, Surekha,Yadavalli, Venkateswara Rao,Vinukonda, Vishnu Prasanth,Dhavala, V.N. Chakravarthi,Neelamraju, Sarla 한국작물학회 2013 Journal of crop science and biotechnology Vol.16 No.1
Yield of popular rice varieties such as Swarna grown in rainfed lowlands and Madhukar grown in flood prone areas needs to be continuously improved. Recombinant inbred lines (RILs) were developed from the cross between two indica cultivars Madhukar and Swarna. QTLs were mapped using 110 markers in 168 RILs. In all, 26 QTLs were mapped for yield and five related traits on chromosomes 1, 2, 3, 6, 7, 8, 10, 11, and 12. QTL for plant height and days to flowering were co-located between RM23147 - RM337 on chromosome 8. RM251, RM314, and RM1135 were significantly associated with plant height and OsYSL17 was significantly linked with grain yield. Epistatic interaction was detected for plant height and number of tillers. Several candidate genes reported for yield and related traits underlie the QTL regions.
Rajesh Lalsing Shirale,Surekha Anil Bhalchandra 한국재료학회 2024 한국재료학회지 Vol.34 No.3
Composite laminates are used in a wide range of applications including defense, automotive, aviation and aerospace, marine, wind energy, and recreational sporting goods. These composite beams still exhibit problems such as buckling, local deformations, and interlaminar delamination. To overcome these drawbacks, a novel viscoelastic autoclave bonding with tapered epoxy reinforcement polyurethane films is proposed. In existing laminates, compression face wrinkling and interlaminar delamination is caused in the sandwich beam. The unique viscoelastic autoclave spunbond interlayer bonding is designed to prevent face wrinkling and absorb and distribute stresses induced by external loads, thereby eliminating interlaminar delamination in the sandwich beam. Also, the existing special reinforcement causes stress concentrations, and the core is not effectively connected, which directly affects the stiffness of the beam. To address this, a novel tapered epoxy polyurethane reinforcement adhesive film is proposed, whose reinforcement thickness gradually tapers as it enters the core material. This minimizes stress concentrations at the interface, preventing excessive adhesive squeeze-out during the bonding process, and improves the stiffness of the beam. Results indicate the proposed model avoids the formation of micro cracks, interlaminar delamination, buckling, and local deformations, and effectively improves the stiffness of the beam.
Sailaja Pothana,Giridharan Nappanveettil,Surekha Venkata Mullapudi,Harishanker S. Nemani,Senthil Murugan Sengmalai,Jagjeevan Babu Geddam,Devraj J. Parasannavar 한국식품영양과학회 2021 Journal of medicinal food Vol.24 No.11
Obesity is associated with metabolic diseases, including insulin resistance, type 2 diabetes and dyslipidemia. Antiobesity drugs are available but have side effects. Hydroxy citric acid (HCA) with ATP-citrate lyase enzyme-inhibiting activity has been identified as a safe potential supplement for weight management and as an antiobesity agent. In the present study, we aim to test the antiobesity potential of the fruit rind powder of G. indica (a plant rich in HCA) in genetically obese rats. Forty-five-day-old Male WNIN/GR-Ob rats were divided equally into four groups with each group having six rats. Group 1 was fed with a standard powder diet (SPD), whereas Groups 2, 3, and 4 were fed with SPD containing 1%, 3%, and 5%, respectively, of G. indica powder for 12 weeks. Food intake, body composition, oral glucose tolerance test, plasma insulin, alanine aminotransferase (ALT), aspartate aminotransferase (AST), lipid profile, hepatic glycogen, ATP-citrate lyase, and Glucose-6-Phosphate dehydrogenase (G6PDH) were measured. Histological analysis of vital organs and Immunohistochemistry (IHC) analysis was carried out in liver sections for citrate lyase score. G. indica significantly decreased food intake, body weight, body fat %, hepatic and circulating triglycerides, cholesterol, and liver steatosis. In addition, G6PDH and ATP-citrate lyase enzyme activities were decreased along with an increase in liver glycogen. The IHC scores of citrate lyase were lower in treated groups. The results indicate that G. indica exerts favorable effects on obesity with a possible mechanism of anorectic effects, suppressed citrate lyase enzyme activity, and improved insulin sensitivity due to the modulation of carbohydrate metabolism by the phytochemicals and secondary metabolites.
Eight prehilar branches of the right renal artery
Satheesha B Nayak,Surekha D Shetty,Swamy Ravindra,Srinivasa Rao Sirasanagandla,Ashwini P Aithal,Jyothsna Patil,Naveen Kumar 대한해부학회 2014 Anatomy & Cell Biology Vol.47 No.3
Imaging technology with its advancement in the field of urology is the boon for the patients who require minimally invasive approaches for various kidney disorders. These approaches require a precise knowledge of the normal and variant anatomy of vessels at the hilum of the kidney. During routine dissections, a variation in the branching pattern of the right renal artery was noted in an adult male cadaver. The right renal artery divided into upper and lower divisions 6cm away from the hilum of the kidney. The upper division gave 4 branches, and the lower division gave two branches. These two branches further bifurcated and gave 2 branches each. Thus, there were 8 prehilar branches of renal artery. The multiple prehilar branches led to a congested atmosphere at the hilum of the kidney. This arterial congestion might result in hindering the blood flow at the renal hilum. Apart from this, it might cause difficulties in diagnostic and therapeutic invasive procedures. Knowledge of this variation is of importance to radiologists and urologists in particular.