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NOVEL INVESTIGATIONS ON THUJA OCCIDENTALIS EXTRACT ON RABBIT HEMATOLOGICAL AND BIOCHEMICAL PARAMETERS
Mansoor Ahmad,Farah-Saeed,Mehjabeen,Noor Jahan
International Research Journal of Pharmacy , 2013, DOI: 10.7897/2230-8407.04326
Abstract: Thuja occidentalis (family: Cupressaceae) has been used as antiseptic, expectorant, diuretic and in the treatment of cancer and removal of kidney stones in different systems of medicine. The present studies were carried out on T. occidentalis leaves extract to evaluate the hematological and biochemical effects on rabbits. The animals were divided in to control (A and B) and treated (C and D) male and female groups (n=5). There was a slight decrease in Hemoglobin, Red blood cell count and Hematocrit/Packed cell volume values, while a significant increase in platelet count was observed in male and female treated groups. However, slight increase in total leukocyte count value in male treated group and decrease count with female treated group was also observed. Urea, Creatine phospho kinase, Creatine phospho kinase iso-enzyme, Direct Bilirubin, Gamma-glutamyl transpeptidase, Cholesterol and Albumin/Globulin ratio values were elevated in male treated group. While Phosphorus, Uric acid, Lactate dehydrogenase, Serum glutamic oxaloacetic transaminase, serum glutamic-pyruvic transaminase, Alkaline Phosphatase, Cholesterol, Triglycerides, High density lipoprotein, Low density lipoprotein, Very-low-density lipoprotein, Globulin and Blood Glucose values were found low. In female treated group almost same results were observed like male treated group except that hypoglycemic effect was more pronounced in female treated group. These findings suggested that when results of hematological and biochemical parameters of test groups (C & D) were compared with their respective controls (A & B), significant changes were observed which contributes towards the diversified therapeutic effect of T. occidentalis.
Ecology of Spotted Flapshell Turtle, Lissemys punctata (Lacepede, 1788) in Bangladesh
Md. Lokman Hossain,Shorab Uddin Sarker,Noor Jahan Sarker
Ecoprint: An International Journal of Ecology , 2008, DOI: 10.3126/eco.v15i0.1943
Abstract: Spotted flapshell turtle, Lissemys punctata was found in all types of habitats of Bangladesh. Of the 9 categories of habitats studied, the highest number (17.42%) of the turtle species was found in marshland followed by puddles (17.26%), agriculture fields (17.12%), streams (12.1%), canals (10.54%), tanks (10.39%), derelict ponds (9.18%) and domestic ponds (6.08%). Most of the time the turtle was found in burrowing condition (55.83%), rarely it was observed in feeding (7.2%) condition. The turtle seem to have a considerably higher tolerant in all types of environment, so it may be possible to set-up turtle farm commercially in Bangladesh. Key words : Spotted flapshell turtle, ecology, habitat preference, behavioral patterns. doi: 10.3126/eco.v15i0.1943 ?ECOPRINT 15: 59-67, 2008 ?
Ecology of Indian Roofed Turtle, Pangshura tectum (Gray 1831) in Bangladesh
Md. Lokman Hossai,Shomb Uddin Sarker,Noor Jahan Sarker
Ecoprint: An International Journal of Ecology , 2006, DOI: 10.3126/eco.v13i0.1621
Abstract: lndian roofed turtle, Pangshura tectum, was found in all types of aquatic habitats in Bangladesh. Of the 8 categories of habitats studied, the highest number (42.74%) was found in domestic ponds followed by derelict ponds, tanks, marshlands, canals, agriculture fields, lakes, streams and puddles. Most of the time the turtle was found in basking condition (60.09%), while rarely it was observed in burrowing condition. In addition to this, Indian roofed turtle spent 31.75% time in feeding and 8.16% in browsing.
Human Resources Information System (HRIS): A Theoretical Perspective  [PDF]
Sabrina Sabrina Jahan
Journal of Human Resource and Sustainability Studies (JHRSS) , 2014, DOI: 10.4236/jhrss.2014.22004
Abstract: HRIS is one of the major modern HR tools. In developed countries, it became popular since the be-ginning of this century. In Bangladesh, corporate organizations have started to implement HRIS in last 5 years. But still its implementation is limited within the big corporate houses. Small corporate houses and public organizations have failed to realize the benefits of HRIS and taken hardly any initiative to implement the system. The major barrier to success of HRIS is the lack of management commitment. The major limitation is the high cost. But the benefits of the HRIS are more than the limitations. Once it is implemented in any organization, employees and management have accepted and realized the benefits. But to get it implemented is a challenge. This study is an attempt to provide a theoretical analysis of the HRIS implementation with analysis of benefits, limitations and barriers. A case study was prepared to provide a better understanding of the topic in a real life context.
An Innovative Approach to Mitigate Vehicular Emission through Roadside Greeneries: A Case Study on Arterial Roads of Dhaka City  [PDF]
Meher Nigar Neema, Jinat Jahan
Journal of Data Analysis and Information Processing (JDAIP) , 2014, DOI: 10.4236/jdaip.2014.21005
Abstract:

With the surge of human population, the need for transportation of goods and people also concomitantly increases, resulting in urban air pollution through emission from motorized traffic especially in developing countries. The extent of environmental pollution in an urban setting is significantly influenced by the pollutants of vehicular fuel combustion. Many effective measures are required in cities to sequester carbon thereby helping to reduce automobile pollution. Roadside greeneries can serve as ecological elements which reduce the concentration of pollutants from vehicular emissions by their direct involvement in absorbing vehicular emitted carbon. In this context, in this study an attempt has been taken to assess contribution of roadside greeneries in absorbing vehicular carbon dioxide emission. A case study has been conducted on arterial roads of mega city Dhaka to quantify the vehicular carbon emission and correlate it with roadside trees to absorb the emitted carbon dioxide. It is noted that in Dhaka city, carbon dioxide is accounted for more than ninety percent of air pollution. To achieve our goals, two busiest arterial roads (namely Mirpur Road and Rokeya Shoroni Road) were taken into account to quantify vehicular carbon emission as well as assess carbon absorption by roadside greeneries. Carbon absorption by different sizes of trees has been quantified using the amount of woody biomass. In addition, absorption by grass-shrubs-herbs has been quantified by the area they cover. The results thus obtained show that indeed the road with more side greeneries absorbs more vehicular emitted carbon dioxide. It is therefore evident that plantation of more roadside trees is an effective measure of reducing air pollution and consequently turning a city to become healthier and more suitable for living.

Dengue Fever (DF) in Pakistan
Fridous Jahan
Asia Pacific Family Medicine , 2011, DOI: 10.1186/1447-056x-10-1
Abstract: The World health Organization (WHO) declares dengue and dengue hemorrhagic fever to be endemic in South Asia. WHO currently estimates there may be 50 million dengue infections worldwide every year. In 2007 alone, there were more than 890 000 reported cases of dengue in the Americas, of which 26 000 cases were Dengue Hemorrhagic Fever (DHF)[1]. The disease is now endemic in more than 100 countries in Africa, Americas, the Eastern Mediterranean, South-east Asia and the Western Pacific. South-east Asia and the Western Pacific are the most seriously affected.Pakistan is at high risk of being hit by large epidemics because of many over crowded cities, unsafe drinking water, inadequate sanitation, large number of refugees and low vaccination coverage. These conditions promote the spread of infectious diseases and consequently every year a large number of epidemics/outbreaks occur in different parts of the country, which result in increased morbidity and mortality.Dengue virus infection is increasingly recognized as one of the world's emerging infectious diseases. About 50-100 million cases of dengue fever and 500,000 cases of Dengue Hemorrhagic Fever (DHF), resulting in around 24,000 deaths, are reported annually[1].A pandemic of dengue began in Southeast Asia after World War II and has spread around the globe since then. In the 1980 s, DHF began a second expansion into Asia when Sri Lanka, India, and the Maldive Islands had their first major DHF epidemics.Pakistan first reported an epidemic of dengue fever in 1994.The epidemics in Sri Lanka and India were associated with multiple dengue virus serotypes, but DEN-3 was predominant and was genetically distinct from DEN-3 viruses previously isolated from infected persons in those countries. In Asian countries where DHF is endemic, the epidemics have become progressively larger in the last 15 years. In 2005, dengue is the most important mosquito-borne viral disease affecting humans[2].Dengue virus is now endemic in Pakistan,
Noncommutative harmonic oscillator at finite temperature: a path integral approach
Jahan, A.;
Brazilian Journal of Physics , 2008, DOI: 10.1590/S0103-97332008000100026
Abstract: we use the path integral approach to a two-dimensional noncommutative harmonic oscillator to derive the partition function of the system at finite temperature. it is shown that the result based on the lagrangian formulation of the problem, coincides with the hamiltonian derivation of the partition function.
Energy shift of interacting non-relativistic fermions in noncommutative space
A. Jahan
Iranian Journal of Physics Research , 2005,
Abstract: A local interaction in noncommutative space modifies to a non-local one. For an assembly of particles interacting through the contact potential, formalism of the quantum field theory makes it possible to take into account the effect of modification of the potential on the energy of the system. In this paper we calculate the energy shift of an assembly of non-relativistic fermions, interacting through the contact potential in the presence of the two-dimensional noncommutativity.
Epidemiology of needlestick injuries among health care workers in a secondary care hospital in Saudi Arabia.
Jahan Saulat
Annals of Saudi Medicine , 2005,
Abstract: Background: Accidental needlestick injuries sustained by health care workers are a common occupational hazard in health care settings. The aim of this study was to review the epidemiology of needlestick injuries in Buraidah Central Hospital, a 212-bed secondary care hospital in Buraidah, Saudi Arabia. Methods: We conducted a retrospective survey of all self-reported documents related to needlestick injuries, for the period January 2002 through December 2003. The data was analyzed to determine the age, sex and job category of the health care worker suffering the injury as well as the risk factors responsible for needlestick injuries. Results: During the 2-year period, employees reported 73 injuries from needles and other sharp objects. Nurses were involved in 66% of instances, physicians in 19%, technicians in 10%, and nonclinical support staff in 5.5%. The majority (53.4%) of the injuries occurred after use and before disposal of the objects. Syringe needles were responsible for 63% of all injuries. Most injuries occurred during recapping of used needles (29%), during surgery (19%), and by collision with sharps (14%). Disposal-related (11%) causes as well as injuries by concealed sharps (5%) occurred while handling linens or trash containing improperly disposed needles. Conclusion: This data emphasizes the importance of increased awareness, training and education of health care workers for reporting and prevention of needlestick injuries.
On Gravitational Radiation by a Quantum Bound System
A. Jahan
Physics , 2013, DOI: 10.1007/s10714-013-1562-5
Abstract: A method based on the path integral approach is engaged to consider the gravitational emission from a quantum mechanical bound system in a locally inertial frame. In such a frame, interaction between the electromagnetic (bound potential) and gravitational fields can be neglected resulting in the less mathematical complexity. The final outcome is in agreement with the previous result for the radiation intensity of emitted gravitons due to decay of bound states in TT gauge.
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