Criticality of tuning in athermal phase transitions

We experimentally address the importance of tuning in athermal phase transitions, which are triggered only by a slowly varying external field acting as tuning parameter. Using higher order statistics of fluctuations, a singular critical instability is detected for the first time in spite of an apparent universal self-similar kinetics over a broad range of driving force. The results as well as the experimental technique are likely to be of significance to many slowly driven non-equilibrium systems from geophysics to material science which display avalanche dynamics.Comment: 5 pages, 4 figure

Experimental and modeling study of fluidized bed granulation: Effect of binder flow rate and fluidizing air velocity

Fluidized bed granulation is a widely used technique of producing granules in pharmaceutical, food, detergent, and fertilizer industries. In this study, fluidized bed granulation of two powders - wheat flour and rice powder - with water as binder is studied experimentally and by modeling. The effects of two process parameters - binder flow rate, fluidizing air velocity - are determined. Experimental results show that increasing the binder flow rate favors the formation of bigger granules while increasing fluidizing air velocity leads to a decrease in average granule diameter. Population balance model with suitable form of coalescence kernel (β) has been used to describe the granule growth. Later, this kernel is linked with process parameters - binder flow rate and fluidizing air velocity

A Novel Fuzzy Logic Based Technique to Find the Criticality of Power Transformer

Determining the current prevailing conditions in the transformer is still a challenge and an attempt is made for meeting the same challenge. In this paper a novel system based on fuzzy logic is developed which considers thermal, electrical and mechanical conditions prevailing in the transformer and gives the critical status of the transformer at an aggregate. The developed system also facilitates to give the critical condition of Paper thermal, Oil thermal, Partial discharge, Electrical arching, Dissolved gas analysis(DGA), Break down voltage and sweep frequency response analysis(SFRA) individually so that corresponding preventive measures can be taken by the technologists. This system consists of 10 fuzzy logic controllers whose connections are made by considering technical conditions and reasons, the corresponding rule bases of these fuzzy logic controllers were developed by considering various standards and experience of TIFAC CORE in NIT-Hamirpur. This fuzzy logic based system is tested for various transformers and found that it is highly précised in classifying the critical statues of any transformer as well as all identifying the current prevailing conditions

Effects of Row Spacings and Varieties on Grain Yield and Economics of Maize

Maize is the second most important crop of Nepal. The yield of the crop is low due to lack of appropriate plant density for the varieties. The field experiment was carried out to study the effect of different row spacings on different maize varieties at Deupur, Lamahi municipality of the dang district in province No. 5, Nepal during the rainy season from June to September, 2018. Four levels of spacings (boardcasting and three row spacings of 45, 60 and 75 cm) and two maize varieties (Rampur Composite and Arun-2) were evaluated using randomized complete block design with three replications. The highest grain yield was found in Rampur Composite and Arun-2 while they were planted with row spacing of 60 cm with plant to plant spacing of 25 cm. The highest grain yield, cob length, cob circumference, number of rows per cob, thousand grain weight  were reported when maize was planted in the  row spacing 60×25cm. Among the maize varieties, Rampur Composite produced the highest grain yield, cob length, cob circumference, number of rows per cob as compared to Arun-2. This study suggested that maize production can be maximized by cultivating maize varieties with row spacing of 60 cm with plant to plant spacing of 25 cm

A comparative study on nutritional status of under 6 years children in i.c.d.s. And non i.c.d.s. Tribal areas of uttar pradesh

Objectives : To find out the nutritional status of children under six year. To determine the level of difference in nutritional status of Children under six years in I.C.D.S. and Non I.C.D.S. tribal areas. To assess the impact of I.C.D.S. scheme on nutritional status of children below six years. Study Design : Cross Sectional Study Participants : Under six years children. Sample Size : 1536 children of Nighasan block (I.C.D.S. block) and 1471 of Ramia Behar block (Non I.C.D.S. block). Key Words : Nutritional status, I.C.D.S., height - weight index, Service impact. Results : All the value for height & weight in both groups were lower as compared to the I.C.M.R. standards. All children in I.C.D.S. group were below the normal weight - height index (i.e. > 0.15) while in Non I.C.D.S. group were below normal wt.-ht. index in all age group except 6 -<24 months male & 3 - < 9 months female. Overall prevalence of P.E.M. in I.C.D.S. group was 90.36& while it was 86.85% in Non I.C.D.S. group. The difference was significant

Marine fishing practices and coastal aquaculture technologies in India

Among the countries bordering the Indian Ocean, India, endowed with 2.02 million sq. km of EEZ along a coastline of8129 km and 0.5 million sq. km of continental shelf with a catchable annual marine fishery potential of 3.93 million tonncs occupies a unique position. Besides, there are vast brackishwater spread areas along the coastline which offer ideal sites for seafamling and coastal mariculture

Regeneration of photon echoes with amplified photon echoes

Photon-echo-based devices have been proposed for many applications in data storage, image processing, and optical communications. Many of these applications would benefit if the output from the photon-echo process could be used as input in a second photon-echo process. We demonstrate the generation of such secondary echoes, using the amplified output from an initial photon-echo process. The amplification is performed with a Pr:ZBLAN fiber amplifier, which gives a gain of more than 300 at 606 nm when pumped with 320 mW of power at 476 nm

Development and characterization of gastroretentive mucoadhesive tablets of venlafaxine hydrochloride

The present study was undertaken with an aim to formulation development and evaluation of gastroretentive mucoadhesive sustained release tablet of Venlafaxine hydrochloride which releases the drug in a sustained manner over a period of 12 hours, by using Carbopol 971P in combination with eudragit RS-PO and ethyl cellulose as a mucoadhesive and release retardant respectively. Preformulation study was done initially and results directed for the further course of formulation. Based on Preformulation studies different batches of Venlafaxine hydrochloride were prepared using Carbopol 971P, Eudragit RS-PO and ethyl cellulose chosen for their different hydrophilic properties to calculate the sustained release properties. Sustained release tablets were prepared by direct compression and were evaluated for bioadhesion time, swelling index and matrix erosion, and in vitro drug release. The tablets of batch F3 and F6 had high swelling behaviors but release of drug is very less. And batch F2 having considerable swelling index and in vitro drug release (99.85%). Batch F2 can be taken as an ideal or optimized formulation of sustained release tablets for 12 hour release as it fulfills all the requirements for sustained release tablet. From the discussion it is concluded that use of carbopol as a release retardant and adhesive polymer is very effective; and also it act as strong release retardant in combination with hydrophobic polymers.Keywords: Gastroretentive; Mucoadhesive; Venlafaxine hydrochloride; Tablet