Growth and characterization of dipotassium sodium tetraborate octahydrate K2Na[B4O5(OH)4]2.8H2O : A potential non linear optical single crystals
Dipotassium sodium tetraborate octahydrate- K2Na[B4O5(OH)4]2 .8H2O (KNB) is an intriguing crystal for laser frequency conversion. It was grown by slow evaporation solution growth technique at ambient temperature. The investigated crystal is crystallized into noncentrosymmetric orthorhombic axial P212121 space group. Fundamental optical phonon modes were identified and the assignments were proposed.The dependence of second order optical susceptibilities with the applied d.c field strength for two principal geometries was studied. Piezooptical coefficients for the diagonal Pxxxx and off-diagonal Pxxzz tensor components under applied dc-field also were measured and discussed. Correlation between the anisotropy of the obtained spectra and of the observed nonlinear optical susceptibilities was established.
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Growth and characterization of new centrosymmetric 2-Aminopyridine potassium chloride single crystal for NLO Applications
A new centrosymmetric semi organic crystal of 2-amino pyridine potassium chloride (2-APKC) was grown by slow evaporation solution growth technique at room temperature for the first time. Powder XRD study reveals the crystalline natures of the grown sample. Single crystal XRD study shows that the grown crystal is cubic systems of a= b= c= 6.19 Å; and ? = ? = ? = 90? with cell volume 237Å3. FTIR spectral study identifies the chemical composition and their corresponding functional groups of the grown crystal 2-APKC. UV–visible NIR spectral study confirms the absorption band in the range 250-800 nm with lower cutoff wave length at 320 nm. Thermal, dielectric and photoconductivity studies of grown crystals were done and discussed. SHG efficiency of the as-grown centrosymmetric crystal is confirmed first time by the Kurtz powder technique.
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Human resources, Organizational Culture and Empowerment
In today's world is a world organization, human resources as the most valuable corporate resources, and activities-based approach and promote organizational goals and ideals of the organization plays a major role. If people want to have a role in this new challenge, namely the process unless you have no way to wisdom and intelligence role in the development of our society are full of ideas (Mosheim, 2006). If this capability is known as a lifesaving tool in the management has emerged as one of the most important issues has become a day that can guarantee the success of organizations Philosophy, states that the capacity of the land and its people, but what needs to be Ordain the range is the range (Scott and Shah, 1996) A number of researchers trying to understand the factors affecting, stressed the importance of climate and culture of empowerment as conditions have been successfully.
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Hydraulic conductivity of Na, Mg, Ca and their different types of soil mixture with distilled water
In this present work, we have studied the hydraulic conductivity of soils in Na, Mg, Ca and their Different types of soil Mixture under different condition with distilled water. Different types of soil samples have been collected from the specific area of the Gujarat state like Ahmedabad, Surat and Ghandhidham. In this work, mixed soil samples were prepared and Study of hydraulic conductivity has been measured with distilled water.
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Immunohistochemical and qReal time – PCR Expression of Matrix Metalloproteinase (MMP-2) in Testes of Male Wister Rats after Cadmium Chloride (CdCl2) exposure
Abstract Matrix metalloproteinases (MMPs) are a family of structurally related proteins that degrade most if not all components of the extracellular matrix and basement membranes in a zinc dependent manner at a physiological PH. Cadmium is one of environmental pollutants arising from electroplating, fertilizers, pigment and plastic manufactures, most animals with scrotal testes are susceptible to cadmium–induced testicular toxicity. In this sense, This study conducted to investigate the effect of cadmium chloride (CdCl2) injection with different dose on the quantitative expression of MMP-2 and immunohistochemistry of male rats testes. 30 male Wister rats were conducted in this study , control group received saline IP (n = 10), CdCl2 treated group (n=10) were injected IP with of 5 mg/kg B.W., the third group (n= 10) which injected IP of CdCl2 in dose 10 mg / kg BW. The injections were twice per week continued for 3 weeks. The animals were euthanized and testicular tissues were collected and used for RNA extraction and real time PCR for quantitative expression of MMP-2 and immunohistochemical demonstration. We have found MMP-2 in control groups expressed in the leydig cells and sertoli cells and different stages of spermatogenesis. After injection of CdCl2 (5mg) of male rats showed decrease the quantity and expression of MMP-2 in the testicular tissue P<0.05 compare with control group, the group injected with (10mg) CdCl2 recorded more decrease of MMP-2 expression (P<0.01). In conclusion, our results highlight that cadmium directly cause reduction the quantity of MMP-2 in the testes without induced any inflammation in testicular tissue, the reduction of MMP-2 interfere with down regulation of reproductive activity that may lead to infertility due to environmental exposure to toxic metals of male.
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Impact of total quality management (TQM) practices and service quality (SQ) on organizational performance (OP) along with customer satisfaction and employees satisfaction
The purpose of this of this research is twofold to investigate the impact of total quality management (TQM) practices & service quality on organizational performance and their effect on customer satisfaction (CS)and employee satisfaction(ES) .One chain of store named Hyper Star is selected to execute the objectives of the research. Data from 200 employees and 200 customers of the Hyperstar from Lahore, Pakistan is collected by Cross sectional survey by using structured questionnaire, the response is determined by using 5 item based likert scale. With the reliability of all the constructs more than 70%, Regression analysis reveals that TQM and SQ effect positively and significantly on OP, CS and ES.
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3647. Importance of Moringa Oleifera tree to human livelihood: a case study of Isokan local government area in osun state
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Azeez, F.A., Nosiru, M.O., Clement, N.A., Awodele, D.A., Ojo, D and Arabomen, O |
Abstract |
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Category : Agricultural Sciences | Sub Category : Agriculture |
Importance of Moringa Oleifera tree to human livelihood: a case study of Isokan local government area in osun state
It is a perennial softwood tree with timber of low quality, but which for centuries has been advocated for traditional medicinal and industrial uses Moringa Oleifera is an ideal plant to promote at the household level because it is extremely resilient to harsh growing environments, including drought, poor soil quality and many pests and diseases. It is a complete food in itself. Everything about the moringa oleifera is nutritious. You can eat the cooked leaves, shoots, pulp and seeds. This study seeks to determine the profitability of Moringa oleifera production with a particular reference to the socio economic characteristics of the farmers in the study area. The area covered by this study is Isokan Local Government Area of Osun state. Data for this study were collected from primary source. primary data were colleted using structured questionnaires. A combination of analytical tools were employed. They include descriptive statistics such has mean. frequency and distribution, percentages, budgetary analysis and Tobit model. This study therefore recommends that more technologically improved methods of processing, packaging and preservations should be adopted and encouraged for economic efficiency.
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In-Situ Transesterification of Jatropha curcas Seed Oil Using CaO Derived from Egg-Shell as Catalyst for Biodiesel Production
Biodiesel production encountered many problems such as low energy balance and food verses energy problems. To solve these problems in-situ transesterification of Jatropha curcas seed oil was carried out, with 1:1 (v/v) of n-hexane – methanol co-solvent and calcium oxide derived from egg-shell as catalyst at 65? temperature for 2 hours. The soxhlet extraction apparatus was used and the effect of catalyst doses was studied, it was found that all the catalyst used in this research produced fatty acid methyl esters (biodiesel) with acceptable fuel properties with the exception of acid value which is higher than the ASTM biodiesel standard limit. GC/MS results revealed that Jatropha curcas oil biodiesel consists of 9-Octadecenoic acid (Z) - methyl ester, Octadecanoic acid, methyl ester, 9,12-Octadecadienoic acid,13-methyl, methyl ester, 8-Octadecenoic acid, methyl ester (E) and Hexadecanoic acid, methyl ester which indicated that this method is an alternative way of biodiesel production with lower energy input as compared to conventional method.
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Influence of storage condition on the shelf life of amoxicillin tablets
Quality of pharmaceutical is of vital importance for patient safety. The loss of potency may influence the efficacy and safety of pharmaceuticals. This study determines the influence of storage conditions on the shelf life and potency of selected antibiotics. A significant statistical difference was observed across the potency data selected antibiotics brands. The data point out that maximum reduction in shelf life was observed at room temperature as compared with cool temperature. These results authenticated that improper storage conditions resulted in failure to meet product characteristic and specification during shelf life. Optimum storage conditions and procedures ensure that the potency and integrity of medicinal products are maintained throughout their shelf life.
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Investigating the relationship between writing components and the quality of writing: a case of construct validation using Structural Equation Modeling (SEM)
This study is an attempt to investigate empirical justification for selection and number of components used in evaluation criteria based on which scoring scales are developed and score is assigned; a need which is felt by many scholars. Following the literature eight evaluation criteria was selected and a scoring scale was developed. 124 scripts (totally 248) for each task of letter writing and argumentation were scored analytically with the selected eight components. Then the scores were tested through a number of statistical procedures (Exploratory and Confirmatory Factor Analysis) to empirically examine the underlying components of writing against which quality of writing was assessed. The results indicate that it is possible to have a standard to empirically justify the selection and number of components. However, this finding is not conclusive and there are still some uncertainties which warrant further studies.
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