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OALib Journal期刊

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Comparative study of ion-exchange resin Indion 204 and Indion 214 for the taste masking of metoclopramide hydrochloride and formulation of rapid-disintegrating tablets
Dahima Rashmi,Sharma Rajesh
Asian Journal of Pharmaceutics , 2010,
Abstract: The purpose of this research was to mask the intensely bitter taste of metoclopramide hydrochloride and to formulate a rapid-disintegrating tablet of the taste-masked drug. Taste masking was done by complexing the drug with ion exchange resin, Indion 204 and Indion 214, in different ratios. The complex loading process was optimized for the concentration of resin, swelling time, stirring time, pH, and temperature for maximum drug loading. Drug-resin complexes (DRC) were tested for flow properties, drug content, in-vitro release in simulated salivary fluid, and in simulated gastric fluid (SGF), taste evaluation by the panel method. Taste evaluation of DRC revealed considerable taste masking with the degree of bitterness below threshold value (40 μg/ml) in 0 to 5 min. Complex of both Indion 204 and Indion 214 masked the taste, but on the basis of the comparative study, resin 214 was selected for taste masking property. Disintegrant croscarmellose (5% wt/wt) gave the minimum disintegration time in comparison to crosspovidone and sodium starch glycolate. The batch of tablet containing Pearlitol SD and Avicel (PH102) in the ratio 60:40 and 5% (wt/wt) Croscarmellose showed faster disintegration i.e. 32 s, as compare to marketed tablet. It also revealed rapid drug release (t 80 , 6 min) in SGF compared with marketed formulation (t 80 , 9 min).
Perception of mothers about their daughters future in rural Karnataka
Rashmi
Indian Journal of Community Medicine , 2010,
Abstract:
Use of Image processing software in Hip Joint surgery  [PDF]
Rashmi Uddanwadiker
Advances in Bioscience and Biotechnology (ABB) , 2011, DOI: 10.4236/abb.2011.22011
Abstract: The scope of this project was to investigate the possibility of application of Image Processing Technique in the field of Shaft Alignment process. Misalignment of shaft using image processing software Visionbuilder was calculated. The further purpose of this project was to check whether the image processing technique can be used in bone transplant surgery. The model of the hip was used for the experimentation purpose. Image processing software Visionbuilder was used to match the profiles of the bone before implant and bone after implant.
Stress Analysis of Crane Hook and Validation by Photo-Elasticity  [PDF]
Rashmi Uddanwadiker
Engineering (ENG) , 2011, DOI: 10.4236/eng.2011.39115
Abstract: Crane Hooks are highly liable components and are always subjected to failure due to accumulation of large amount of stresses which can eventually lead to its failure. To study the stress pattern of crane hook in its loaded condition, a solid model of crane hook is prepared with the help of CMM and CAD software. Real time pattern of stress concentration in 3D model of crane hook is obtained. The stress distribution pattern is verified for its correctness on an acrylic model of crane hook using Diffused light Polariscope set up. By predicting the stress concentration area, the shape of the crane is modified to increase its working life and reduce the failure rates.
Study of various molar crown designs and their assessment  [PDF]
Rashmi Uddanwadiker
Journal of Biomedical Science and Engineering (JBiSE) , 2012, DOI: 10.4236/jbise.2012.511077
Abstract: Dental crowns are best utilized as a way to improve the cosmetics of a tooth appearance when the crown simultaneously serves other purposes also, such as restoring a tooth to its original shape or strengthening a tooth. The study presents four different designs of molar crown depending upon the tooth loss. The finite element results obtained suggests that restored material which fills the treated cavity along with small portion of root canal can help in retaining the restored tooth and can allow larger deformations for stresses induced well within the limit.
Using the Notion of ‘Information Flow’ to Investigate Why a Signal May Stand Differently for Individuals  [PDF]
Rashmi Mantri, Junkang Feng
iBusiness (IB) , 2010, DOI: 10.4236/ib.2010.24041
Abstract: Studies over past century show that the organisations profoundly rely on signs (signals in general) and norms to operate. Information systems may be seen as systems of signs. Signs are indispensible part of norms, which people follow in order to act in an organisation. A signal or sign may convey different messages to different agents. If we eliminate merely subjective interpretations, which could be wrong from the receiver’s perspective, it must be the case that for such a phenomenon to happen the signal does carry different information for different individuals in the sense of actually informing them. We explore how this is possible in this paper. We observe that information theory and semiotics are strongly related. Therefore, rationally linking organisational semiotics and information theory in some way would be beneficial and highly desirable. Our approach is based upon semantic information and information flow theories put forward by Dretske, Barwise and Seligman along with basic notions of Stamper’s organisational semiotics, i.e. sign and norms and Devlin’s constraints. We exploit an S-B-R (information source (S) - information bearer (B) - information receiver(R)) framework, which incorporate the above mentioned theories to examine information creation, flow and receiving. We put forward the phenomena of information nesting, norms with which a signal or sign is involved and co-existing multiple S-B-R structures to elucidate this fact.
Influence of Sintering Temperature on Densification, Structure and Microstructure of Li and Sb Co-Modified (K,Na)NbO3-Based Ceramics  [PDF]
Rashmi Rani, Seema Sharma
Materials Sciences and Applications (MSA) , 2011, DOI: 10.4236/msa.2011.210191
Abstract: Polycrystalline samples of Lead free (K0.5Na0.5)1-x(Li)x(Sb)x(Nb)1-xO3 ceramics with nominal compositions (x = 0.040 to 0.060) have been prepared by high temperature solid state reaction technique. X-ray diffraction (XRD) pattern shows that the crystal structure transforms from orthorhombic to tetragonal as Li and Sb content increases. Normal sintering process yield compounds with density ~98.2% of the theoretical value. Densification of the Li and Sb co-doped KNN ceramics might be explained by the liquid-phase sintering. This may be attributed to the low melting temperature of Li compounds that appears to promote the formation of a liquid phase during sintering.
Asymmetric Variation in Soil Carbon Emission in Sub-Tropics  [PDF]
Rashmi Kant, Chirashree Ghosh
Atmospheric and Climate Sciences (ACS) , 2012, DOI: 10.4236/acs.2012.21012
Abstract: Carbon dioxide emission from soil, known as soil respiration, is one of the major sources of the atmospheric carbon. Understanding the relationship between emission rate and the factors associated with the emission process is important in global carbon emission management. The present study investigated soil respiration at three ecologically diverse locations in northern India. CO2 emission was measured in-situ by modified alkali absorption method at three different depths, top-soil (0 cm - 2 cm depth), mid-soil (20 cm depth) and deep-soil (40 cm depth) at each location. Rate of carbon emission from soil varied with location and time. The rate was higher at Riverine Zone (RZ) which had high soil moisture content and profuse ground vegetation compared to Hilly Zone (HZ) containing dry soil and scarce vegetation. The emission rate was also greater in grassland than the plantation area. Rate of carbon emission from soil was heterogeneous along different depths below the ground. Diel variation in emission rate was greater at HZ compared to RZ. Higher microbial population in soil was detected in RZ than HZ. However, the bacterial count out-numbered the fungal count in soils at most places. The study indicates a positive relationship between soil respiration rate and microbial abundance. The fungal population was strongly correlated with CO2 emission rate.
Some Construction Methods of A-Optimum Chemical Balance Weighing Designs  [PDF]
Rashmi Awad, Shakti Banerjee
Journal of Applied Mathematics and Physics (JAMP) , 2014, DOI: 10.4236/jamp.2014.213136
Abstract: Some new construction methods of the optimum chemical balance weighing designs and pairwise efficiency and variance balanced designs are proposed, which are based on the incidence matrices of the known symmetric balanced incomplete block designs. Also the conditions under which the constructed chemical balance weighing designs become A-optimal are also been given.
Phonon Dispersion for Armchair and Zigzag Carbon Nanotubes  [PDF]
Rasmita Sahoo, Rashmi Ranjan Mishra
Graphene (Graphene) , 2014, DOI: 10.4236/graphene.2014.32003
Abstract:

In this paper we present calculations of phonon dispersion of different types of single walled carbon nanotubes (SWCNT). In these calculations, the starting point has been the phonon dispersion of graphene. Zone folding scheme is then applied to obtain the phonon dispersion of CNT from that of graphene. Since the radial breathing modes in the phonon dispersion are not obtained by the zone-folding method, certain modifications are made in the lower branches to obtain these modes. These modifications produce results similar to those obtained by more sophisticated ab-initio methods.

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