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Observations on phenology of some representative trees, shrubs, under-shrubs and herbs in a subalpine forest of Uttarakhand, western Himalaya were recorded. With the commencement of favorable growth season in April, occurrence of leaf fall was indicatory growth phenomenon in Quercus semecarpifolia, Q. floribunda and Abies spectabilis. However, active(More)
Studies were conducted on population status and regeneration of Quercus semecarpifolia and Quercus floribunda in a subalpine forest of western Himalaya. Saplings of Q. semecarpifolia belonging to the 51-100 cm size class and those of Q. floribunda belonging to the 101-150 cm size class were well represented in studied subalpine forests. Comparable seedling(More)
This paper deals with the reliability of Thermal stresses in simples bars whose body may be expand or contract due to some increase or decrease in the temperature of the body when stress follows the Half-logistic distribution. For such thermal stresses in simple bars we are particularly interested in investigating the reliability by using the Half-logistic(More)
This paper presents a microsystem for single-cell characterization by aspirating cells continuously through a constriction channel while cell impedance profiles and images are measured to quantify transit time, the impedance amplitude ratio, and cell elongation simultaneously. The system demonstrated that osteoblasts, compared with osteocytes, have a larger(More)
A simple, precise and accurate RP-HPLC method was developed and validated for rapid assay of Carbidopa in tablet dosage form. Isocratic elution at a flow rate of 1.0ml/min was employed on a symmetry C18 (250x4.6mm, 5µm in particle size) at ambient temperature. The mobile phase consisted of methanol: KH2PO4: 75:25 (V/V). The UV detection wavelength was 262(More)
The species Elaeocarpus sphaericus (Rudraksha) is a religious, medicinally important threatened tree of India. An efficient micropropagation protocol has been developed from nodal explants of this plant species collected from north-east India for large scale production of planting material at favourable sites within the country. Best shoot initiation(More)
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