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Search Results: 1 - 10 of 201001 matches for " Solanki P "
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GENERALIZED RATIO AND PRODUCT METHODS OF ESTIMATION IN SURVEY SAMPLING
Housila P. Singh,Ramkrishna Singh Solanki
Pakistan Journal of Statistics and Operation Research , 2011, DOI: 10.1234/pjsor.v7i2.189
Abstract: This paper introduces some generalized ratio and product methods of estimation for estimating the population total Y. In addition to many Srivenkataramana and Tracy (1979) estimators are shown as members of the proposed estimators. The properties of the suggested estimators have been studied and merits are examined through numerical illustration
ESTIMATION OF FINITE POPULATION MEAN USING RANDOM NON–RESPONSE IN SURVEY SAMPLING
Housila P. Singh,Ramkrishna Singh Solanki
Pakistan Journal of Statistics and Operation Research , 2011, DOI: 10.1234/pjsor.v7i1.140
Abstract: This paper consider the problem of estimating the population mean under three different situations of random non–response envisaged by Singh et al (2000). Some ratio and product type estimators have been proposed and their properties are studied under an assumption that the number of sampling units on which information can not be obtained owing to random non–response follows some distribution. The suggested estimators are compared with the usual ratio and product estimators. An empirical study is carried out to show the performance of the suggested estimators over usual unbiased estimator, ratio and product estimators. A generalized version of the proposed ratio and product estimators is also given.
An alternative procedure for estimating the population mean in simple random sampling
Housila P. Singh,Ramkrishna Singh Solanki
Pakistan Journal of Statistics and Operation Research , 2011, DOI: 10.1234/pjsor.v8i1.252
Abstract: This paper deals with the problem of estimating the finite population mean using auxiliary information in simple random sampling. Firstly we have suggested a correction to the mean squared error of the estimator proposed by Gupta and Shabbir [On improvement in estimating the population mean in simple random sampling. Jour. Appl. Statist. 35(5) (2008), pp. 559-566]. Later we have proposed a ratio type estimator and its properties are studied in simple random sampling. Numerically we have shown that the proposed class of estimators is more efficient than different known estimators including Gupta and Shabbir (2008) estimator.
Effect of early mobilisation on grip strength, pinch strength and work of hand muscles in cases of closed diaphyseal fracture radius-ulna treated with dynamic compression plating.
Solanki P,Mulgaonkar K,Rao S
Journal of Postgraduate Medicine , 2000,
Abstract: AIMS: The purpose of the study was to objectively determine the effects of early mobilisation in terms of grip strength and work of hand muscles in cases of closed diaphyseal fracture radius - ulna treated with dynamic compression plating. SUBJECTS AND METHODS: Fifty normal subjects and Twenty-one patients, (Eleven patients treated with early active and resistive goal directed mobilisation and Ten control group) were assessed for pinch strength and grip strength on Pinch Dynamometer and Jamar Dynamometer and work of hand muscles on Ergograph. Standardised positions of the equipments and patients were maintained throughout the study. RESULTS: Results showed highly significant reduction in performance in patients treated with early mobilisation as compared to normal subjects in their first assessment (Fourth week post operatively). These patients showed significant improvement in successive assessments (sixth & eighth post operative week) on exercising in between these assessments. CONCLUSIONS: There are significant effects on grip strength and work of hand muscles in patients treated with that early active and resistive goal directed mobilisation.
Discriminant analysis of solar bright points and faculae II. Contrast and morphology analysis
P. Kobel,J. Hirzberger,S. K. Solanki
Physics , 2014,
Abstract: Taken at a high spatial resolution of 0.1 arcsec, Bright Points (BPs) are found to coexist with faculae in images and the latter are often resolved as adjacent striations. Understanding the properties of these different features is fundamental to carrying out proxy magnetometry. To shed light on the relationship between BPs and faculae, we studied them separately after the application of a classification method, developed and described in a previous paper) on active region images at various heliocentric angles. In this Paper, we explore different aspects of the photometric properties of BPs and faculae, namely their G-band contrast profiles, their peak contrast in G-band and continuum, as well as morphological parameters. We find that: (1) the width of the contrast profiles of the classified BPs and faculae are consistent with studies of disk center BPs at and limb faculae, which indirectly confirms the validity of our classification, (2) the profiles of limb faculae are limbward skewed on average, while near disk center they exhibit both centerward and limbward skewnesses due to the distribution of orientations of the faculae, (3) the relation between the peak contrasts of BPs and faculae and their apparent area discloses a trend reminiscent of magnetogram studies. The skewness of facular profiles provides a novel constraint for 3D MHD models of faculae. As suggested by the asymmetry and orientation of their contrast profiles, faculae near disk center could be induced by inclined fields, while apparent BPs near the limb seem to be in fact small faculae misidentified. The apparent area of BPs and faculae could be possibly exploited for proxy magnetometry.
Development and Validation of RP-UPLC Method for the Determination of Iloperidone, Its Related Compounds and Degradation Products in Bulk and Dosage Form  [PDF]
Shashikant B. Landge, Sanjay A. Jadhav, Shrihari P. Vishwambar, Pavankumar V. Solanki, Saroj R. Bembalkar, Vijayavitthal T. Mathad
American Journal of Analytical Chemistry (AJAC) , 2014, DOI: 10.4236/ajac.2014.514104
Abstract: A rapid, specific, sensitive, and precise reverse-phase UPLC method developed for the quantitative determination of an atypical antipsychotic drug Iloperidone and its eight potential impurities in drug substances and drug products is described in this report. Chromatographic separation was achieved on a Waters Acquity UPLC® HSS C18 (2.1 mm × 100 mm, 1.8 micron) column thermostated at 35°C with a short runtime of 10 min. Quantification is achieved with photodiode array detection at 225 nm over the concentration range of 0.03 - 0.15 μg/mL. Forced degradation study was carried out under acidic, alkaline, oxidative, photolytic and thermal conditions to demonstrate the stability-indicating capability of the developed UPLC method. Comparison of system performance with conventional high-performance liquid chromatography is made with respect to analysis time, efficiency, and sensitivity. The method is validated according to the ICH guidelines and is applied successfully for the determination of Iloperidone in tablets.
IMPORTANCE OF NANOROBOTS IN HEALTH CARE
Prajapati P M.,Solanki A S.,Sen D J.
International Research Journal of Pharmacy , 2012,
Abstract: A nanorobot is a tiny machine designed to perform a specific tasks repeatedly and with precision at nanoscale dimensions. Nanorobotics will have a diameter of about 0.5 to 3 microns and will be constructed out of parts with dimensions in the range of 1 to 100 nanometres. Nanorobotics has strong potential to revolutionize healthcare, to treat disease in future. It opens up new ways for vast, abundant research work. Nanotechnology will change health care and human life more profoundly than other developments. Consequently they will change the shape of the industry, broadening the product development and marketing interactions between Pharma, Biotech, Diagnostic and Healthcare industries.
ROBOTIC SURGERY: A NEW HOPE IN MEDICAL SCIENCE
Prajapati P M.,Solanki A S.,Sen D J.
International Research Journal of Pharmacy , 2012,
Abstract: Robots in the field of surgery have dramatically changed the procedures for the better. The most significant advantage to Robotic Surgery to the patient is the decrease in pain and scaring. By using cameras and enhanced visual effects, doctors can make the tinniest of incisions. In order for these arms to get inside the body and operate, they only need a few centimetres for an incision robotic technology is set to revolutionize surgery by improving and expanding laparoscopic procedures, advancing surgical technology, and bringing surgery into the digital age. Furthermore, it has the potential to expand surgical treatment modalities beyond the limits of human ability. Robots are amazing; they function like no human with only electricity and software. However, robots in surgery operate on a whole other level. These machines can run non-stop for however long it takes to complete the surgery whether it is succeeds or fails.
Microsatellite diversity among the primitive tribes of India
Mukherjee Malay,Tripathy V,Colah R,Solanki P
Indian Journal of Human Genetics , 2009,
Abstract: The present study was undertaken to determine the extent of diversity at 12 microsatellite short tandem repeat (STR) loci in seven primitive tribal populations of India with diverse linguistic and geographic backgrounds. DNA samples of 160 unrelated individuals were analyzed for 12 STR loci by multiplex polymerase chain reaction (PCR). Gene diversity analysis suggested that the average heterozygosity was uniformly high (> 0.7) in these groups and varied from 0.705 to 0.794. The Hardy-Weinberg equilibrium analysis revealed that these populations were in genetic equilibrium at almost all the loci. The overall G ST value was high (G ST = 0.051; range between 0.026 and 0.098 among the loci), reflecting the degree of differentiation/heterogeneity of seven populations studied for these loci. The cluster analysis and multidimensional scaling of genetic distances reveal two broad clusters of populations, besides Moolu Kurumba maintaining their distinct genetic identity vis-à-vis other populations. The genetic affinity for the three tribes of the Indo-European family could be explained based on geography and Language but not for the four Dravidian tribes as reflected by the NJT and MDS plots. For the overall data, the insignificant MANTEL correlations between genetic, linguistic and geographic distances suggest that the genetic variation among these tribes is not patterned along geographic and/or linguistic lines.
A preliminary cytogenetic and hematological study of photocopying machine operators
Gadhia P,Patel D,Solanki K,Tamakuwala D
Indian Journal of Occupational and Environmental Medicine , 2005,
Abstract: The incidences of chromosomal aberrations(CAs) as well as sister chromatid exchange frequencies (SCEs) was evaluated from 12 photocopying machine operators working on an average 8-9 hours per day for more than five years. A complete blood picture of each individual was assessed with an automatic particle cell counter. Additionally, blood pressure was measured at the time of blood collection from all photocopying machine operators. For comparison, the control group included another 12 individuals matched according to age, sex, socioeconomic conditions as well as other personal habits. The observations of the present study are indicators of health hazard for, although small, there was a significant increase in the percentage of aberrant cells (P<0.05), total aberrations (P<0.01) as well as total aberrations excluding chromatid gaps (P<0.01) among photocopying machine operators when compared to controls. However, results on SCE analysis of photocopying operators revealed no significant difference from the controls. At the same time all photocopying operators exhibited normal hematological parameters as well as blood pressure values.
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