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Khan, A.
- Effectiveness of Different Seed Extraction Methods on Seed Value from the Cones of Pinus radiata
Authors
Source
Indian Forester, Vol 126, No 9 (2000), Pagination: 936-942Abstract
Cones of radiata pine or Pinus radiata are serotinous. The cone scales are stuck together by resin making natural seed release impossible for many years. In the present study cones were subjected to various heat treatments viz. Heated in a kiln at 65°C for 8 hours, heated in a microwave oven set at high poser for 60 seconds or submerged in boiling water of 120 seconds. Subsequent rate and extent of seed release was observed on day 1,3,6 and 7. Maximum and quickest seed release was observed following the kiln treatment. Seed viability assessed by Tetrazolium Test (TZ) and relative seed vigour assessed by Accelerated Aging (AA) test both showed that seed extracted by the kiln method was superior to that obtained by either of the other two methods. The effectiveness of suitable methods of extraction of seeds from cones of P. radiata in the light of economic importance is discussed.
- The Foresters Fight against Drought in Afforestation Work
Authors
Source
Indian Forester, Vol 74, No 7 (1948), Pagination: 267-271Abstract
No abstract- Accretionary Lapilli from the Basal Vindhyan Volcanic Sequence, South of Chittaurgarh, Rajasthan and their Implication
Authors
1 Department of Geology, Aligarh Muslim University, Aligarh - 202002, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 57, No 1 (2001), Pagination: 77-82Abstract
Well-preserved accretionary lapilli of different types are reported from the basal volcanic sequence (Khairmalia basalts) of Lower Vindhyan occurring to the south of Chittaurgarh. Four types of lapilli are identified on the basis of the nature of their core, surrounding rim zone and physical appearance. The first two types comprise cores of volcanic glass and welded tuff surrounded by rims similar to the coated accretionary lapilli or type-B of Reimer. The third type is a typical armoured lapilli, and the fourth type is a core type lapilli or type - A of Reimer. The internal structure and characteristics of the lapilli suggest their formation from ash-charged volcanic cloud produced by repeated volcanic explosions. Their excellent preservation, lack of fragmentation, presence of large size vesicles and absence of sedimentary structures in the matrix suggest little post-depositional transport. The initial explosive volcanic events and resultant basic flows and volcaniclastics, succeeded by deposition of interlayered fine clastics and conglomeratic coarse cross-bedded sandstone in the adjoining down warped (? half graben) basin (s) has heralded the onset of Vindhyan sedimentation in a fluctuating shore zone environment in southeastern Rajasthan.Keywords
Volcanism, Mesoproterozoic pyroclastics, Accretionary Lapilli, Tectono-Magmatic Event, Vindhyan Basin, Chittaurgarh, Rajasthan.- Barrier Inlet and Associated Facies of Shore Zone: An Example from Khardeola Formation of Lower Vindhyan Sequence in Chittaurgarh, Rajasthan
Authors
1 Department of Geology, Aligarh Muslim University, Aligarh - 202 002, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 58, No 2 (2001), Pagination: 97-111Abstract
Khardeola Formation (∼200 m), representing the lowermost clastic assemblage of Vindhyan Supergroup in southeast Rajasthan, consists of a fine clastic sequence in the lower part and a gritty, coarse to medium grained sandstone in the upper part. The formation crops out as discontinuous linear patches close to the western boundary of the basin. The Khardeola assemblage is investigated in this study for sedimentary facies, palaeocurrents, depositional environments and palaeogeography at the onset of Vindhyan sedimentation.
The lower fine clastic sequence (15-60 m thick) consists of interlaminated shale and siltstone, thinly bedded sandstone and mudstone,and red sandstone in a coarsening upward sequence, showing parallel to wavy lamination, ripple marks, desiccation cracks, bidirectional cross lamination, and gently inclined lamination. The facies assemblage, their characteristics, and occurrence alongside linear bodies of Khardeola sandstone, call for a protected depositional environment (back barrier lagoonal to tidal flat). The succeeding Khardeola sandstone, forming the upper part of the assemblage, represents 40-150 m thick sequence of moderately well sorted quartzarenite, subarkose and sublitharenite, and crops out as narrow linear ridges trending north-South. These sandstone units are divisible into four facies on the basis of fining upward texture, bedding types, and scale of sedimentary structures. Conglomeratic facies occurs in the basal part of sandstone with well defined scour base. The succeeding facies of lenticular sandstone with scour base comprises upward thinning sets of large, medium and small scale planar and trough cross bedding. The paleocurrent pattern reflects bipolar, bimodal to trimodal dispersal from the base of the sequence upward, directed broadly towards east and west, and occasionally towards north or south. Inasmuch as the source area providing quartzo feldspathic sediments was located mainly to the west of study area, the easterly paleocurrents were directed basinward (seaward). These deposits are interpreted as originating within laterally migrating tidal inlets (barrier inlets), in which easterly oriented ebb currents were dominant, with intermittent influx of flood oriented and north or south directed longshore currents. Plane bedded to gently inclined units of quartzarenite are interpreted as beach foreshore (spit) deposits that occur in places, capping the barrier inlet sequence. A combination of barrier inlet migration and shoreline transgression resulted in a truncated and modified barrier island sequence, dominated by inlet fill sandstone that merges with or oversteps westward (landward) the interlayered, fine grained clastic lagoonal/Tidal flat facies.
The Khardeola sedimentation was terminated with the decline in sediment supply, rise in sea level and landward migration of shoreline, followed by deposition of the overlying algae dominated Bhagwanpura Limestone in a quiet,open shelf of transgressive phase.
Keywords
Mesoproterozoic, Cratonic Basin, Sedimentary Facies, Paleocurrents, Beach, Barrier Island, Palaeogeography, Vindhyan, Rajasthan.- Geochemistry of Mesoproterozoic Lower Vindhyan Shales from Chittaurgarh, Southeastern Rajasthan and its Bearing on Source Rock Composition, Palaeoweathering Conditions and Tectono-Sedimentary Environments
Authors
1 Department of Geology, Aligarh Muslim University, Aligarh - 202 002, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 60, No 5 (2002), Pagination: 505-518Abstract
The western margin of the Vindhyan Basin of north Indian shield, is characterized by well developed Mesoproterozoic Lower Vindhyan succession. It contains thick units of shales and sandstonc with minor conglomcratc and limestone at different stratigraphic levels. Five shale units, namely Khardeola Shale (KHS), Palri Shale (PRS), Binota Shale (BNS), Bari Shale (BRS) and Suket Shale (SKS) occurring in chronological order, have been examined for their geochemistry to determine the composition of their source rocks, to understand the environments of weathering and sedimentation and the tectonic conditions at the time of their deposition.The Lower Vindhyan shales are characterized by high SiO2, low CaO and MgO, very low Na2O and very high K2O/Na2O ratio relative to average Proterozoic shales. All the shale units are severely depleted in Ca, Na and Sr and slightly enriched in some trace elements such as Co and Nb, relative to the early Proterozoic upper continental crust. It appears that the high field strength and transition elements remained immobile throughout the sedimentary processes and represent the source rock composition. Geochemically, the individual shale units do not show any significant variation with age, excepting the Khardeola Shale that is relatively more enriched in ferromagnesian and large ion lithophile elements.
Geochemical data suggest that sediments of Lower Vindhyan shales had their source in stable continental areas and deposited in intracratonic basin away from active plate boundaries. The immobile trace element data suggest that the source material of these shales have been derived from felsic and mafic components of Banded Gneissic Complex occurring to the west of the Great Boundary Fault in the proportion of about 4: 1. Severe but non-steady-state weathering conditions in the source region having humid, and tropical climate appcar to have prevailed throughout the sedimentation of Lower Vindhyan sequence. The sequence of events suggcsts passive type rifting environment during the Vindhyan Basin formation.
Keywords
Geochemistry, Shales, Vindhyan, Mesoproterozoic, Chittaurgarh, Rajasthan.- Effect of Ficus glomerata Fruit Extract on Various Biochemical Parameters in Alloxan Induced Diabetic Rats
Authors
1 Guru Nanak Institute of Pharmacy, Ibrahimpatnam, R.R. District-Hyderabad-501 506 Andhra Pradesh, IN
2 Department of Pharmaceutical Sciences, Guru Nanak Institute of Pharmacy, Hyderabad, R.R. District, Andhra Pradesh, IN
3 Department of Pharmaceutical Sciences, Guru Nanak Institute of Pharmacy, Hyderabad, R.R. District, Andhra Pradeshii, IN
4 Department of Pharmacognosy, K.L.E.S. College of Pharmacy, JNMC Campus, Belgaum, Karnataka, IN
Source
Research Journal of Pharmacognosy and Phytochemistry, Vol 2, No 1 (2010), Pagination: 82-84Abstract
Serum cholesterol and serum triglycerides are the element which provokes the development of hyperlipidemia and coronary arterial disease. Present study deals with the study of effect of Ficus Glomerata Fruit extract on biochemical parameters like serum urea, serum cholesterol, serum triglycerides and blood glucose level in alloxan induced diabetic rats. Petroleum ether, benzene, alcohol and aqueous extract showed highly significant activity in decrease of blood cholesterol, petroleum ether and chloroform extract showed highly significant activity in decrease of serum triglyceride. From the data obtained, it can be concluded that the various fruit extract of Ficus glomerata acts as potent antihyperlipidemic and antidiabetic agent.
Keywords
Serum Cholesterol, Serum Triglycerides, Ficus glomerata, Antihyperlipidemic.- Fabrication of 1300 T Mixer for Steel Plant
Authors
1 HMBP, Ranchi, IN
Source
Indian Welding Journal, Vol 10, No 4 (1978), Pagination: 135-143Abstract
Mixer is a storage vessel for molten iron from the blast furnace where from it is taken to open hearth furnace, converters etc. for making steel. In fact it serves as a reservoir and ensures a continuous supply of molten iron irrespective of any irregularity in production from the blast furnaces.- Correlation of Vitamin D Level with Different Components of Metabolic Syndrome
Authors
1 Department of Gastroenterology, IGIMS, Raja Bazar, Sheikhpura, Patna, Bihar 800014, IN
2 Department of Medicine, Jawahar Lal Nehru Medical College, Aligarh Muslim University, Aligarh, Uttar Pradesh, IN
3 Department of Cardiology, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Jammu & Kashmir, IN
4 Daudpur, Patna, Bihar, IN
Source
The Indian Practitioner, Vol 70, No 6 (2017), Pagination: 27-32Abstract
Objecive: The objective of the study to investigate the correlation between vitamin D level with different components of metabolic syndrome.
Patients and Methods: An observational cross-sectional study on 100 patients (male=55 and female=45), age range 30-60 year, was performed. Patients underwent physical examination and biochemical testing. Patients included who fulfill the IDF criteria of metabolic syndrome for South Asians.Analysis was performed using SPSS Statistical package for windows (SPSS VERSION 20).
Results: Only 6% of the subjects had optimal level of vitamin D level and 67% of subjects are deficient. There was highly significant inverse association between waist circumference, BMI, with vitamin D level in both male and female (p-value 0.001). Increased level of triglyceride level was associated with low vitamin D level (p=0.02) and could not find any association between HDL and vitamin D level (p=0.125). There were inverse association of fasting blood glucose and HbA1C with vitamin D level (p-value 0.014 and <0.001 respectively). No association between systolic and diastolic blood pressure was reported in the study(p-value 0.778 and p-0.563 respectively).
Conclusion: Our results suggest correlation of vitamin D level with some components (waist circumference, serum triglyceride and fasting plasma glucose) of metabolic syndrome.
Keywords
Vitamin D, Metabolic Syndrome, IDF Criteria.References
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