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Browsing EUSL Staff Research Collection by Issue Date

Now showing items 1-20 of 179

Development of a somatic embryogenesis protocol for tea (Camellia sinensis O. Kuntze) from leaf calli

Sivapriyadharshini, A; Ranaweera, K.K; Ranatunga, M.A.B; Seran, T.H (Wayamba University. Sri Lanka, 201-08-24)

Somatic embryogenesis is an efficient regeneration system with high genetic integrity which useful in the crop improvement. The present study was conducted with the objective of developing a viable somatic embryogenic ...
Transition from dense Kondo to the intermediate-valence regime in the Ce (Pt1-xNix)2Si2 alloys

Ragel, F. C.; P de V du Plessis (Journal of Physics: Condensed Matter, 2004)

Electrical resistivity ρ(T) measurements on polycrystalline samples of the Ce (Pt1−xNix)2Si2 system exhibit dense Kondo behaviour for alloys with . The temperature at which a maximum appears in ρ(T) shifts from Tmax = 65 ...
க.பொ.த (சா/த)ப் பரீட்சையில் வரலாறு பாட அடைவு மட்ட வீழ்ச்சியும் பின்னணியும் (மட்டக்களப்பு கல்வி வலயத்தின் ஏறாவூர் பற்று கோட்டத்திற்குட்பட்ட 1c பாடசாலைகளை அடிப்படையாகக் கொண்ட ஆய்வு)

Gowry, P (பிறை நிலா வெளியீடு, 2005)

இன்றைய கல்வி உலகில் அறிவியல் சிந்தனைகள் நாளுக்கு நாள் பெருகிவருகின்றன. இவ்வாறான நிலையில் பரந்தும் விரிந்தும் வியாபித்தும் வருகின்ற அறிவைப் பெறும் வாயில்களில் பிரதானமானது கல்வியாகும். மனிதன் தன்னை நிறை மனிதனாக உருவாக்கிக் ...
Preparation, Characterisation and Mechanical Properties of Montmorillonite Polyanyline Nanocomposites

Soundararajah, Q. Y.; Karunaratne, B. S. B.; Rajapakse, R. M. G. (University of Peradeniya, 2006)

The montmorillonite (MMT) clay was intercalated with polyaniline (PANI) to prepare montmorillonite - polyaniline nanocomposites (MMT-PANI). The MMT clay was ion exchanged with H+ and dried at 120°C for 2 hours. The H+ ...
Exact models for isotropic matter

Thirukkanesh, S; Maharaj, S. D. (Classical and Quantum Gravity, 2006)

We study the Einstein-Maxwell system of equations in spherically symmetric gravitational fields for static interior spacetimes. The condition for pressure isotropy is reduced to a recurrence equation with variable, ...
Generating potentials via difference equations,

Maharaj, S. D.; Thirukkanesh, S (Mathematical Methods in the Applied Sciences, 2006)

The condition for pressure isotropy, for spherically symmetric gravitational fields with charged and uncharged matter, is reduced to a recurrence equation with variable, rational coefficients. This difference equation is ...
Establishment of in vitro plantlets of Camellia sinensis L. under ex vitro conditions.

Seran, T.H; Hirimburegama, K.; Gunasekare, M.T.K. (Proceedings of the 5th Annual Research Session, Eastern University, Sri Lanka, 2006)

An attempt was made ot improve the survival rate of ni vitro plantlets under ex vitro conditions. Synthetic seeds (encapsulated zygotic embryogenic axes) were germinated under ni vitro conditions. A18' week of culture, ...
Induction of somatic embryos from cotyledonary and leaf tissues of tea [Camellia sinensis L.]

Seran, T. H; Hirimburegama, K.; Gunasekare, M.T. K.; (Proceedings of the 5th Annual Research Session, Eastern University, Sri Lanka, 2006)

This study was carried out ot achieve efficient somatic embryogenesis from cotyledonary and leaf tissues of tea. Small cotyledon segments were taken from sterilized cotyledon (proximal to zygotic embryonic zone) of four ...
Competing effects by Y dilution in CeNiAl4

Ragel, F. C.; P de V du Plessis; A M Strydom (Solid State Communications, 2007)

The occurrence of a maximum at a temperature T-max in the resistivity of the dense Kondo compound CeNiAl4 and in (Ce1-x,Y-x)NiAl4 alloys is investigated. Tmax (proportional to T-K, the Kondo temperature) first increases, ...
Electrical transport of Ce(Pt1-xNix)Ga and CePt(Ga1-yAly) alloys

Ragel, F. C.; P de V du Plessis; A M Strydom (ELSEVIER SCIENCE BV, 2007)

Electrical resistivity results of Ce(Pt1-xNi)Ga and CePt(Ga1-yAl) alloys show features at low temperature indicating antiferromagnetic ordering and Kondo behaviour. The variation of Néel temperature with alloy composition ...
Chemical pressure and magnetic field effects in CePtGa

Ragel, F. C.; P de V du Plessis; A M Strydom (IOP PUBLISHING LTD, 2007)

The antiferromagnetic Kondo compound CePtGa and the Ce(Pt1−xNix)Ga and CePt(Ga1−yAly) alloy systems have been studied by resistivity ρ(T), magnetoresistivity MR and susceptibility χ(T) measurements on polycrystalline samples ...
Charged anisotropic matter with a linear equation of state, Classical and Quantum Gravity

Thirukkanesh, S; Maharaj, S. D. (Classical and Quantum Gravity, 2008)

We consider the general situation of a compact relativistic body with anisotropic pressures in the presence of the electromagnetic field. The equation of state for the matter distribution is linear and may be applied to ...
Producing Lightweight Concrete Using Tobacco Wastes

Fernando, P. R.; Parvathakeethan, A.; Einon Mariya, V. (1st Conference of CIDA Restore Project, 2008)

This study was carried out to determine the possibilities of using tobacco wastes in lightweight concrete production. The mixture combinations of materials such as tobacco waste, pumice, sand and cement were used to produce ...
Generalized isothermal models with strange equation of state

Thirukkanesh, S; Maharaj, S. D. (PRAMANA- journal of Physics, 2008)

We consider the linear equation of state for matter distributions that may be applied to strange stars with quark matter. In our general approach the compact relativistic body allows for anisotropic pressures in the ...
Effects of La dilution on the CePt2Si2 Kondo lattice

Ragel, F. C.; P de V du Plessis; A M Strydom (IOP PUBLISHING LTD, 2008)

Electrical resistivity (ρ(T)) and magnetoresistivity (MR) measurements are presented for the (Ce1−xLax)Pt2Si2 alloy system. ρ(T) data at low temperatures for alloys in the concentrated Kondo lattice regime 0≤x≤0.2 conform ...
Performance of six new improved rice (Oryza sativa L.) varieties in the Batticaloa district.

Srikrishnah, S.; Seran, T.H (Proceedings of the 7th Annual Research Session, Eastern University, Sri Lanka, 2008)

A trial was conducted to evaluate the agronomic performances of six test varieties of rice viz. Bg 02. 465, Bg 03.1451, At 676, Bw 03.1063, 3 003monthageBoupduringCale20attheAgronomyfarmof the Eastern University, Sri ...
Effect of different levels of sugar and incubation temperature on microtuberization of potato (Solanum tuberosum L.).

Shirani, D.A.; Mubain, M.M.; Samanthi, J.A.; Seran, T.H (Proceedings of the International Potato Symposium held at Agricultural Research Station, Sita Eliya, Sri Lanka, 2008)

Production of potato microtubers si used as a strategy to minimize handling and subculture during maintenance. Several protocols have been developed for potato microtuberization. The present study was conducted to determine ...
The effect of intercropping brinjal (Solanum melogena L.) with groundnut (Arachis hypogaea L.) on weed population.

Srikrishnah, S.; Umarajini, S.; Seran, T.H. (Proceedings of the 2nd International Symposium held at Sabaragamuwa University of Sri Lanka, 2008)

An experiment was carried out to determine the effect of intercropping brinjal (base crop) with groundnut (intercrop) on weed population during Maha 2007/2008 at the Agronomy farm of Eastern. University, Sri Lanka. The ...
Investigation on pest and disease incidence on brinjal (Solanum melongena L.) intercropped with groundnut (Arachis hypogaea L.).

Umarajini, S.; Seran, T.H. (Proceedings of the 64th Annual Session, Sri Lanka Association for the Advancement of Science, 2008)

A field study was conducted at the Agronomy farm of Eastern University, Sri Lanka to evaluate the prevalence of pest and disease incidence on brinjal when intercropped with groundnut compared with brinjal monocropping. ...
Intervention of CIDA restore project for providing safe drinking water to the villages Palameenmadu and Puthukkudiyiruppu

Fernando, P. R.; Krishanthan, S. (2nd Conference of CIDA Restore Project, 2009)

The water crisis is one of the most significant issues in Sri Lanka after the Tsunami inclusive of Batticaloa district. The people those who are living in the Batticaloa district especially in Tsunami affected areas are ...

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Browsing EUSL Staff Research Collection by Issue Date

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