March 2013

In this paper, the concept of k-tripotentof power symmetric matrices is introduced. Conditions for power symmetric matrices to be k-tripotent are discussed.

Multilayer ultrathin films of Cr/Ni80Fe20/Cr/Ni80Fe20/Cr were grown on p-type Si substrate by magnetron sputtering deposition. Thickness dependencies of multilayer thin films were analyzed with impedance spectroscopy. The samples were characterized in a frequency range of 100k – 40M Hz under different DC bias voltages varying from 0 to 1 V. The dependence of relaxation time on the dielectric relaxation frequency was determined from the Cole-Cole plots for different thicknesses two ultrathin permalloy /Cr/ permalloy thin films.

India has developing economy where the economic progress is directly proportional to the industrial growth, which in turn is dependent mainly upon the relation between the employer and the employee. Industrialisation poses a challenge for an entrepreneur in the form of management of the resources. The management and effective and efficient deployment of the resources of the organisation is the factor which decides the profitability, sustainability and viability of any organization.

Laminar free and forced convective fully developed flow of a viscous incompressible fluid between two infinitely long vertical plates heated asymmetrically embedded in porous medium has been studied. It is observed that the fluid velocity decreases near the channel walls whereas a it increases at the middle region of the channel with an increase in porosity of the medium. The expressions for wall shear stresses, critical Grashof number and the bulk temperature are also derived. It is observed that the bulk temperature increases with increase in either Grashof number or porosity parameter.

This study was necessitated by the need for manufacturing firms to determine the relationship and extent between the cost of distribution of the goods manufactured and the quantity of the goods/ weight of the goods in question which will inturn create a need for a further research to determine the actual ways to optimize the distribution flow so as to reduce wastage and increase revenue. Data was collected by the administration of questionnaire to a total of 107 respondents of two major plants of Unilever Nigeria Plc in the South East zone of Nigeria.

Robotics is one of the fastest growing engineering fields of today. Millions of dollars are spent every year on the developments of robots to be used in all sorts of field. The use of robots is more common today than ever before and it is no longer exclusively used by the heavy production industries. Robots are designed to remove the human factor from labor intensive and/or dangerous work. In modern farming applications, so many different types of automation techniques are used for easy and staff less operations that includes the important functions like seeding and spraying fertilizers.

About 20% to 40% of patients who have undergone Coronary Artery Bypass Graft Surgery (CBAG) remain intubated 12 hours after surgery due to dysfunctional ventilator weaning response (DVWR). DVWR is associated with increased morbidity and mortality (30% to 43%) following CABG surgery. Literature review revealed that there is an association between gender and preoperative co- morbidities and post-operative hemodynamic alterations. Finding significant antecedence to predict DVWR could help to identify and prevent the complications from DVWR after CABG surgery.

Interpretation techniques employed in magnetic data enable in quantifying the subsurface geological bodies for various purposes. Of the various types of them the performance evaluation of methods based on the characteristics positions and inversion techniques were studied in the present paper. The theoretical magnetic data was generated over simple geological bodies of sheet, dike and vertical fault models. The data thus generated has been used for performance study.

In the endeavour to pursue justice in the post-conflict period, the International Criminal Court’s (ICC) operations in Africa have met with significant challenges. While it has been acknowledged in some quarters that the ICC can excel in curbing the problems of violence stemming from a culture of impunity, the court has attracted immense and tremendous controversy, especially because of its propensity for prolonging conflict and undermining peace deals and reconciliation processes that have proved imperative in a society emerging from a period of gross human rights violations.

Foraminifers a single shelled protozoan are broadly classified as planktonic and benthic. These foraminifers having high level taxonomical studies are based on shell mineralogy can be categorized into four groups as taxa with organic shell, agglutinated taxa, calcareous perforate taxa and calcareous imperforate and habituating in marine and mangrove environments. For the present study benthic foraminifer fauna has been collected in the Van veen grab sampler in the, North Bay, Sistrosis Bay, Carbyns Cove, Burmanalla, Chidyatapu, and Wandoor of Port Blair India.

The importance of innovation clusters has been studied frequently in recent literature. It is considered that the clusters are important for the economic development of the regions. However, its creation and subsequent sustainability does not happen automatically. It requires a series of policies and initiatives to encourage its creation. These policies, which can be classified into six categories, vary according to the life cycle stage in which the cluster is, to have the greatest impact.

The stochastic Frontier cost model was used to analyze the cost efficiency of Sugarcane farm households of Odisha. The primary data were collected from the 200 sugarcane farm households. The joint estimation of parameters of cost function and inefficiency model through one step maximum likelihood method showed that the 97% of the inefficiency were explained due to cost inefficiency and cost efficiency could be increased by 36% through better use of available farm resources.

The Belagavi district of Karnataka state is one of the most prosperous regions in the field of religion and culture. All religions like Hinduism, Jainism, Buddhism, Islam and Christianity enjoyed a great liberality. Among these, the Jainism enjoyed a royal patronage from the earliest days. As a result the Jainism prospered the region. It played an important role in the fields of education, literature, art, architecture and culture. Belagavi, Halasi, Hooli, Saudatti, Ammanagi etc., are the most important centers of Jainism and its culture.

The distribution and diversity of foraminifera a single celled protozoan was studied in the sediments closely adjacent to reef of South Andaman Island. A total of 18 species belong to 8 genera were recorded in our investigation. Calcarinidae made larger contribution to the total abundance followed by Hauerinidae, Elphididae, Peneroplidae, Spiroloculinidae and Amphisteginidae. Calcarina spengleri were found to be the most dominant species at all stations.

The present paper deals with the analysis of Relative Growth Rate and Doubling Time of Neural network research output at international level using time series data from 1969 to 2007. The research output at the international level in 1969 is 2 and it is reached to 123552 in 2007 and the increasing trend is observed year by year. The relative growth rate registers a declining trend at international level. The study period, 1969-2007 records the mean relative growth rate of 0.29 at the world level.

A retrospective analysis was carried out on all patients (n=680) with a culture- proven diagnosis of tuberculosis (TB) seen at the Institute of Chest and Respiratory diseases / Baghdad – Iraq from (April / 2010 – August / 2011). A total of 643 (31.2%) pulmonary tuberculosis (PTB) and 37 (4.6%) extra- pulmonary TB (EPTB). The age distribution of the TB patient had a bimodal distribution. Males to females' ratio 2.06 with highly significant level for males than females (P values of < 0.001). The most common site with (EPTB) was pleural TB (37.8%).

Circular-arc graphs are rich in combinatorial structures and have found applications in several disciplines such as Biology, Ecology, Genetics, Computer Science and particularly useful in cyclic scheduling. Dominating sets play predominant role in the theory of graphs. In this paper we consider the bondage number for a Circular-arc family and is a Circular-arc graph corresponding to arcs which is defined as the minimum number of edges whose removal results in a new graph with larger domination number.

The insecticidal properties of H.spicigera leaf extracts (hexane, ethylacetate and methanol) tested against Callosobruchus maculatus on cowpea was carried out using Azadirachtin as a standard. Ethylacetate extract and standard azadirachtin showed the highest percentage mortality of 98% each at 72hr, while methanol, hexane and control gave percentage mortality of 75%,87% and 21% respectively. Percentage emergence of Azadirachtin standard and ethylacetate extract showed 6% and 8% while methanol, hexane and control gave percentages emergence of 18%,13% and 87% at 72hr respectively.

The preparation of activated carbons derived from oil palm shells, chemically activated by potassium hydroxide and physically activated by steam was investigated in this paper. The Methodology of Experimental Design (MED) was used to optimize the preparation conditions. The effects of two preparation variables: the activation temperature ranging from 601 to 799°C and the impregnation ratio ranging from 0.6 to 3.4 were studied on the activated carbon yield (R/AC-KOH), the iodine adsorption capacities (I2/AC-KOH) and methylene blue adsorption capacities (MB/AC-KOH) results.

The most distressing symptoms that follow anaesthesia and surgery are pain and vomiting. The aim of this study is to compare the antiemetic efficacy of granisetron against that of ondansetron by comparing the incidence of PONV using each drug. The surgical technique is highly standardized, therefore the choice of anaesthetic technique is the main variable available to influence PONV.

Levetiracetam, a pyrolidine derivative, is a newer antiepileptic drug whose efficacy and tolerability are already well known in adults. Few studies are available in children. Most studies suggest that levetiracetam is effective against partial and generalized epilepsy. The drug has also proven effective against photosensitivity, epileptic syndromes and epileptic and nonepileptic myoclonus.

Andrographis paniculata Nees. (AP) leaves, empirically used as an alternative medicine for various diseases including diabetes mellitus, but the scientific evident for treatment in humans were still limited published reports. This study analyzed the effects of hypoglycemic AP capsules (APC) as an additional therapy in patients with type 2 diabetes mellitus. The design of this study was double-blind randomized controlled trial, cross-over design in 34 subjects who were divided into two groups.

A total of 1500 blood samples from animals including 725 of cattle, 393 of buffaloes, 180 of goats, 202 of dogs and 100 from veterinarians of Rohilkhand region, U.P., India were screened for seroprevalence of brucellosis. Of the two tests employed, STAT detected comparatively higher percentage of seropositive animals (10.2%) as compared to RBPT (9.5%) and 6 veterinarians by RBPT (6%)and 18 by STAT(18%). Highest seroprevalence was found in cattle (11.6%) followed by buffaloes (10.9%), goats(5.0%) and dogs(2.5%).

Syringocystadenomapapilliferum (SP) is a rare adnexal neoplasm seen in the head and neck region. Occurrence of the lesion in other sites is uncommon. A 60yr old woman presented with a solitary swelling in the breast. The histopathological diagnosis of syringocystadenomapappilliferum with cylindromatous and sebaceous differentiation was made. We report a case of sp in unusual location with multiple adnexal differentiation for the first time to the best of our knowledge.

Antibiotics are chemicals that are produced by living organisms inhibit the growth or kill another organism. Most are not useful medically because of undesirable toxicity or side effects. Natural products of higher plants may be a new source of antimicrobial agents possibly with novel mechanisms of action. Tulsi (Ocimum sanctum L.) has been well documented for its therapeutic potentials. Pudina (Mentha arvensis L.) is used as a carminative, anti-spasmodic, anti peptic ulcer agent, and has been given to treat indigestion, skin diseases, coughs and colds in folk medicine.

Rate of oyster spat fall was recorded in Mulky estuary(a tropical estuary), south west coast of India from October 2009 to May 2010. The average rate of spat fall ranged from 24.96 to 1058.43 No/m². The spat fall rate was found to be higher on concave surface than convex surface of the oyster shells set for studying spat fall rate. The most suitable period for oyster spat collection in Mulky estuary is from December to January and April to May of the year. January and April appeared to be the months of peak settling.

The biosorption mechanisms of Uranium to active chemical groups on the cell wall matrix of the nonliving fungi, Saccharomyces cerevisiae were examined by Fourier-transform infrared (FTIR) analysis and scanning electron microscopy (SEM). Based on FTIR study, the biomass was subjected to chemical modification of its amino and carbonyl groups, to examine their roles in the U (VI) removal from the aqueous phase. After investigating biosorption potential of acid and base treated biomass, base treatment was found to enhance the metal removal ability of untreated biomass.

Albino mice weighing approximately 60±0.5 gm were taken as experimental and control animals. Both the control and experimental mice were injected intraperitonally with atropine to reduce peripheral activity. Pilocarpine was dosed along with phosphate buffer against the muscarinic and glutamate receptors to the experimental mice to induce seizures in the mice. Seventeen days after the injection, the experimental and control mice were sacrificed. The brain parts and other body parts were dissected. The muscle of the experimental and control mice were taken for the experiment.

Micropropagation and organogenesis successfully achieved in Spilanthes acmella M. is belongs to family Asteraceae and commonly known as Akarkara. Multiple shoots induced from nodal explants on Murashinge and Skoog (MS) medium supplement with various growth regulators BA and Kin alone. The highest shoot regeneration frequency was recorded on MS medium supplement with 5 μM BA (97.3 ± 1.2%), with highest number of multiple shoots (12.2 ± 0.9).

Manipur, a North-eastern state of India has got a wide range of natural resources pertaining to its flora which are being used for ethnomedicinal purposes. A survey was carried out in Manipur and indigenous knowledge of local traditional uses was collected through questionnaire and personal interviews during field trips. The information was obtained from the traditional medicine practitioners and other experienced persons having knowledge on many useful plants.

Water is essential to life, but many people do not have access to clean and safe drinking water and many die of waterborne bacterial infections. Antibacterial properties of various extracts of Anisomeles malabarica (L) were investigated against both clinical and laboratory isolates of bacteria using the disc diffusion method.

In present study, Fusarium oxysporum F. sp. Lycopersici were isolated from infected tomato plants in Fadama lands of Sokoto metropolis and identified based on morphological and cultural characteristics. The in vitro efficacy of Jatropha curcas L. aqueous and ethanol of seed and leaf extracts at concentrations, 5, 10, 20, 40 and 160 mg/ml were tested against F. oxysporum using poison food techniques. The result showed growth impairment in all extracts. Highest inhibition were recorded in ethanol extracts of seed and leaf 92.2 and 90.2% followed by water extracts 71.7 and 58.3% at 160 mg/ml.