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Science Journal

 

Report and Opinion

(Rep Opinion)

ISSN 1553-9873 (print); ISSN 2375-7205 (online), doi:10.7537, Monthly

Volume 9 - Issue 12, Cumulated 102, December 25, 2017

Cover (jpg), Cover (pdf), Introduction, Contents, Call for Papers

 

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CONTENTS  

No.

Titles / Authors /Abstracts

Full Text

No.

1

Alternatives of Shifting Cultivation in North-eastern region of India

 

Praveen Kumar Verma1, Vishavjit Kumar2, Anup Chandra3 and Bidya Thounaojam4

 

1,3,4Forest Research Institute, Post Office New Forest, Dehradun -248 006 Uttarakhand

2Environment Management Division, ICFRE, P. Office New Forest, Dehradun, Uttarakhand (India)

E-mail for Correspondence: pkverma_bryo@yahoo.co.in

 

Abstract: Shifting cultivation has been practiced in the hill regions of north-eastern India in an environmentally sustainable way since time immemorial. In recent times, for ensuring food security of the increased population, it demands for bringing more land under shifting cultivation. As the land resources are limited there was no other option than horizontal expansion of the shifting cultivation by clearing primary vegetation and reducing fallow period of abandoned jhum plots. The pressure on land and forests resources increased over a period of time resulting into environmental degradation. The clearing of vegetation for jhum cultivation and fallowing of jhum plots has threatened the sustainability of forest resources. There is a loss of native species, invasion of invasive alien species. The traditional ecological knowledge of the ethnic shifting cultivation practitioners and their practices are essential for better understanding and decision making. There are several modified/improved farming practices (like off farm practice of sericulture, apiculture and in farm combination of new crop geometry, Areca nut, Cashew nut, Oil palm, and rubber plantations, tea and coffee cultivation etc.) which have evolved over a period of time and space in this region. The present paper gives an account of some of the modified/improved farming practices as an alternatives to shifting cultivation within the limits of cultural and environmental importance.

[Verma, P. K; Kumar, V. Chandra, A. & Thounaojam, B. Alternatives of Shifting Cultivation in North-eastern region of India. Rep Opinion 2017;9(12):1-8]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 1. doi:10.7537/marsroj091217.01.

 

Keywords: Shifting Cultivation, Alternatives, North-eastern region, India

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2

Appraisal Of Plants Extract Against Okra Yellow Vein Mosaic Virus (OYVMV)

 

Muhammad Arslan Khan1**, Kaleem sarwar2, Asif mehmood Arif1, Nadeem Ahmad1

 

1Department of Plant Pathology, Muhammad Nawaz Shareef-University of Agriculture, Multan, Pakistan, 60000.

2Department of Plant Pathology, University of Agriculture, Faisalabad, Pakistan. 38000.

**Corresponding author email: arsal2012@gmail.com

 

Abstract: Plants extract (Eucalyptus camaldulensis, Azadirachta indica, Melia azedarach and Cassia fistula) were applied on five okra cultivars (Pmf Beauty, Laxmy, Okra-7100, Okra-7080, and Jk-tetra-6), cultivated in field area of Department of plant pathology under RCBD design to determine their response against okra yellow vein mosaic virus (OYVMV). Maximum reduction in disease (29.08% ) was expressed by Azadirachta indica followed by Eucalyptus camaldulensis (31.41%), Melia azedarach (33.01%), and Cassia fistula (34.62%) as compared to control (46.07%). Among varieties minimum disease incidence was expressed by okra-7100 followed by pmf beauty, laxmy, okra7080 and Jk-tetra-6 respectively after spray of A. indica, Eucalyptus camaldulensis, Melia azedarach, Cassia fistula as compared to control.

[Muhammad Arslan Khan, Kaleem sarwar, Asif mehmood Arif, Nadeem Ahmad. Appraisal Of Plants Extract Against Okra Yellow Vein Mosaic Virus (OYVMV). Rep Opinion 2017;9(12):9-14]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 2. doi:10.7537/marsroj091217.02.

 

Keywords: Abelmoschus esculentas, Okra yellow vein mosaic virus, Eucalyptus camaldulensis, Azadirachta indica, Melia azedarach and Cassia fistula

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3

Volume of Money Influenced on the Bubbles in Tehran Stock Exchange

 

Soghra Darvishi1, Hamid Ranjbar Jamalabadi2 (corresponding author), Seyedeh Arezoo Mozafari3

 

1-Department of accounting, Science and Research Branch, Islamic Azad University, Yazd, Iran.

2-Department of Accounting, Yazd Shahid Sadoughi University of Medical Sciences, Yazd, Iran.

Department of accounting, Science and Research Branch, Islamic Azad University, Yazd, Iran

3-Department of accounting, Science and Research Branch, Islamic Azad University, Yazd, Iran

mohsen8203934@yahoo.com

 

Abstract: Monetary policy refers to some processes by which financial experts change the general liquidity of economy through the available legal mean in order to stabilize the price level and decrease the gap between actual and potential output. Moreover, the deviation of stocks value from its long-term balance value is called bubble. The impact of monetary policies on the bubble in Tehran Stock Exchange as well as the behavior of investors from 2010 to 2014 was reviewed in this research. All the estimations of the predicted model were made in Eviews7. Furthermore, the estimation of model was performed with the regression of Ordinary Least Squares (OLS). Study results showed that Consumer Price Index (CPI) had negative impacts on it. The interest in long-term investment and sales volume of bonds did not have a significant impact on the bubble in Tehran Stock Exchange.

[Soghra Darvishi, Hamid Ranjbar Jamalabadi, Seyedeh Arezoo Mozafari. Volume of Money Influenced on the Bubbles in Tehran Stock Exchange. Rep Opinion 2017;9(12):15-19]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 3. doi:10.7537/marsroj091217.03.

 

Keywords: Monetary Policies, Bubble, Stock Market, Stock Price Index

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4

Perceived Effects of Climate Change on Cassava Production and Farmers Coping Strategies in Ahoada – East Local Government Area of Rivers State, Nigeria

 

Tasie, C.M., Wilcox, G.I. and Ajie, E. N.

 

Department of Agriculture (Agricultural Economics/Extension Unit)

Ignatius Ajuru University of Education, Rumuolumeni, Port Harcourt, Rivers State

tasiechimezie@gmail.com +2348038726818

 

Abstract: The importance of cassava in rural household economy cannot be over emphasized. Farmers in Ahoada – East L.G.A depend greatly on cassava for its nutritional importance, capacity to curb hunger and generate income. Cassava production however is beset with myriads of constraints; notable among them is climate change. The study assessed the effects of climate change and coping measures used by cassava farmers in Ahoada – East L.G.A of Rivers State, Nigeria. Multi-stage sampling technique was used to select respondents for the study. Data were analyzed using simple descriptive statistics (percentage, frequency and mean). The result of the study showed that 65 percent of the respondents were female, majority were married (53 percent). A large proportion of the respondents had formal education (83.3 percent) and they are mainly subsistence farmers. Reduced yield of cassava and reduction of family income were among the major effects of climate change on cassava production. Crop diversifications, use of tolerant varieties were among the most widely used coping strategies by respondents. Based on the results of the study it was recommended that improved extension services that can provide the needed farming inputs (cassava cutting, fertilizers e.t.c.) as well as useful and relevant information on climate change and coping strategies should be made available to the people.

[Perceived Effects of Climate Change on Cassava Production and Farmers Coping Strategies in Ahoada – East Local Government Area of. Rep Opinion 2017;9(12):20-24]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 4. doi:10.7537/marsroj091217.04.

 

Key words: Climate change, effects, cassava production, coping strategies

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5

Resource Use Efficiency Of Sugarcane Production In Mubi North Local Government Area Of Adamawa State Nigeria

 

Anaryu. B. Wahu, Joyce D Moses, Jimjel Zalkuwi and Dolaree A Dolaree

 

Department of Agricultural Economics and extension, Faculty of Agricultural sciences. Adamawa State University Mubi. Adamawa State, Nigeria

Corresponding Author’s Email: jzalkwi4u@gmail.com

 

Abstract: This study examined the resource use efficiency of sugarcane production in Mubi North Local Government Area of Adamawa State Nigeria. The objective of the study was to describe the resources used efficiency in sugarcane production and to identify the main constraints associated with sugarcane production in the study areas. 80 sugarcane farmers were selected using multi-stage sampling technique and administered with well-structured questionnaire to generate primary data. Descriptive statistics and inferential statistics regression analysis were used as analytical tools for the study. Results of the regression analysis revealed that, quantity of seeds (x5) age (x1) and cost of hired labor were important in explaining the variation in output of sugarcane production in the study area. Inadequate capital and credit inaccessibility, shortage of land, unavailability of fertilizer at affordable price, unimproved varieties, lack of standardized means of measurement, bad road and distance of market from the farm were the major problems militating against sugarcane production in the study area. Based on the findings, it can be concluded that, the study area had great and substantial potential to increase sugarcane production and farmers’ income, if efforts are made for the widespread of new technologies and identified constraints are properly and carefully addressed. However, effort should be made to mobilize and encourage farmers to form co-operative society, so that they can pool their resources together to increase their scale of operation. Also government should make production inputs like improved seeds variety, agro-chemical and also aid like cash funds at the right time and at subsidized rate because production inputs were some of the limiting resources that adversely affected sugarcane production in the study area.

[Anaryu. B. Wahu, Joyce D Moses, Jimjel Zalkuwi and Dolaree A Dolaree. Resource Use Efficiency Of Sugarcane Production In Mubi North Local Government Area Of Adamawa State Nigeria. Rep Opinion 2017;9(12):25-29]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 5. doi:10.7537/marsroj091217.05.

 

Keywords: Sugarcane Production, Mubi North Local Governmen, Adamawa State Nigeria

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6

The evaluating of renewal plan strategies and solutions in urban old texture

Case Study: Farahzad Neighborhood

 

Mahmoud Rahimi1, Mohammad Rasuli2

 

1Assistance professor, Department of Urban Planning, Islamic Azad University of Jerusalem

2Phd student, Department of Urban Planning, Tehran north branch, Islamic Azad University

 

Abstract: Urban old texture Regardless of their different species is resulting some of urban management neglect that over time is became to form a zone of the city that was lack of the required physical stability and strength and have not suitable access to their homes and suffering from a severe shortage of services. This paper is studied with aims to identify the main strategies of renovation process and drawing of and operational objectives as well as renovation solutions in Farahzad neighborhood of Tehran. The methodology is "descriptive-analytical" by using of strategic planning model (SWOT) and methods for data collection for documents and surveying.

[Mahmoud Rahimi, Mohammad Rasuli. The evaluating of renewal plan strategies and solutions in urban old texture. Rep Opinion 2017;9(12):30-43]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 6. doi:10.7537/marsroj091217.06.

 

Key words: strategy of renovation, urban old texture, implementation, public participation in renovation

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7

Effects Of Sea Piracy Insurgent On Nigerian Fishing Industry

 

1Ambrose, Eyo and 2Nwaka, Sampson

 

1Department of Fisheries and Aquatic Environmental Management,

University of Uyo, PMB 1017, Uyo, Nigeria.

2Department of Fisheries Technology, Federal Polytechnic Nekede, Nigeria.

Corresponding author Email: eyoambrose@gmail.com

 

Abstract: The effects of recent resurgence of marine piracy off the coast of Nigeria was investigated. Sea Piracy and hijacking of vessels have devastating effects on fishing operations and maritime trade/ transportation. Nigeria lose up to US$ 600 million in export earnings due to piracy attacks to its fisheries. This has led to the killing and maiming of crew men thus making the highly productive areas in our marine waters totally inaccessible. The overall objectives of this work was to identify the economic causes and consequences of modern day sea piracy on Nigerian fishing industry and economy, however a consensus on the primary economic causes of piracy does not exist. It investigates whether variables such as a lack of employment opportunities, particularly in the fisheries sector, are a causal factor of sea piracy. The study revealed that insurgency is a manifestation of corruption, poverty, inequality and inability of the government to effectively utilize oil wealth to develop the nation. The result also showed that, the year, 2012 recorded the highest number of attack (140) while the highest number of deaths (15) occurred in 2010. Financial loss to the nation was highest in 2012, corresponding to the highest incident of attack. These led to several fishing companies going into limbo to the extent that only eight (8) out of forty (40) Companies with only 122 out of 250 fishing vessels (trawlers) are currently in operation. The issue of piracy and armed robbery at sea has contributed immensely to this drastic reduction and if allowed to continue will lead to total collapse of the Nigerian fishing industry.

[Ambrose, Eyo and Nwaka, Sampson. Effects Of Sea Piracy Insurgent On Nigerian Fishing Industry. Rep Opinion 2017;9(12):44-48]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 7. doi:10.7537/marsroj091217.07.

 

Keywords: Sea piracy, Maritime, Fisheries, Ransom, Sustainable

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8

Sea Worthyness Of Coastal Planked Canoes In Nigeria

 

Eyo Ambrose and Justina Obienu*

 

Department of Fisheries and Aquatic Environmental management, University of Uyo, PMB 1017 Uyo, Akwa Ibom State, Nigeria.

*Fishing Technology Section, Nigerian Institute for Oceanography and Marine Research PM B 12729, Victoria Island, Lagos.

Corresponding E-mail Address: eyoambrose@gmail.com

 

ABSTRACT: The paper reported on the assessment of sea worthyness of planked canoes used in Nigerian coastal waters and ways for further development. Result showed that; the cubic size of the canoes ranging between 2.27m3 and 51.5m3 gave ample working space aboard; at load water line, the ratio of freeboard to draft was 2:1 indicating reserved buoyancy for safety. The transom at the stern provides attachment point for out board engine motorization,. The initial drag and hydrodynamic resistance are low due to short water line level and trim by stern. Stability is enhanced by its ‘weight low down’ construction technology, which makes the bottom to be heavier than the upper parts. The planked canoes represent the climax of small scale fishing craft development in Nigerian coastal waters. Future modifications of hull forms should take into consideration the introduction of deck machinery and increased level of motorization to match the sea condition and new fishing gears. Preservation and maintenance measures to increase the useful life span of the wooden canoes are proffered.

[Eyo Ambrose and Justina Obienu. Sea Worthyness Of Coastal Planked Canoes In Nigeria. Rep Opinion 2017;9(12):49-52]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 8. doi:10.7537/marsroj091217.08.

 

Keywords: Sea worthyness, Planked canoes, Coastal, Cubic size, Motorization.

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9

Review of Public Health Significance of Anthrax

 

Zerihun Fikru

 

University of Gondar College of Medicine and health science, Department of public health, Gondar, Ethiopia P.O. Box 196

Email: zerihunfikru@gmail.com

 

Abstract: Anthrax is a disease caused by the spore-forming bacteria Bacillus anthracis. It occurs on all the continents, causes acute mortality in ruminants and is a zoonosis (a disease which primarily affects animals, but causes disease in humans). Anthrax is a disease caused by the bacterium Bacillus anthracis. This bacterium exists in nature in two forms: as an active growing cell (called the vegetative form) or as a dormant spore. It does typically not spread from animal to animal nor from person to person. The bacteria produce spores on contact with oxygen. Anthrax occurs infrequently and sporadically, mainly as an occupational hazard among veterinarians, agricultural workers, and workers who process hides, hair, wool and bone products. In humans anthrax manifests itself in three distinct patterns. The most common is a skin infection, where people become infected handling animals or animal products that contain spores In addition to antibiotic therapy and immunization, specific control procedures are necessary to contain the disease and prevent its spread.

[Zerihun Fikru. Review of Public Health Significance of Anthrax. Rep Opinion 2017;9(12):53-56]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 9. doi:10.7537/marsroj091217.09.

 

Key word: Anthrax, public health

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10

Specialty: Inventing new products and writing popular science books, for instance, Taiji Hua Tianxia

 

Sun Chunwu

 

Address: Room 805, Building 20, Shuxiu Garden, Xihu Town, Yangzhou City, Jiangsu Province

Contact information: QQ458669609; Tel18652544068

Email: yzscw0514@163.com

 

Abstract: When hollow rotating shaft rotates, this practical new eccentric rotary engine will save/release energy by utilizing eccentric rotating assembly inside the shell, and convert the energy to the shell by utilizing the gravity action of eccentric rotating assembly during releasing the energy. So that the energy can be used effectively, and the energy consumption of the engine can be reduced.

[Sun Chunwu. Specialty: Inventing new products and writing popular science books, for instance, Taiji Hua Tianxia. Rep Opinion 2017;9(12):57-61]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 10. doi:10.7537/marsroj091217.10.

 

Keywords: Eccentric rotary engine, oval diagram

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11

Geographical Feasibility of Plantation of Ashwagandha in Barshi Tahsil of Solapur [MH]

 

Shyam C. Kagade and Avinash S. Kadam

 

Research Student & Assistant Professor

School of Earth Sciences, Swami Ramanand Teerth Marathwada University, Vishnupuri, Nanded-431606, Maharashtra India.

shyamkagade@gmail.com; Mobile No:9881514405,9404666430

 

Abstract: Withania somnifera, Dunal. belongs to the family Solanaceae. It is also known as Ashwagandha or Indian Genseng. Withania ashwagandha (Solanaceae) is an annual herb of immense medicinal value. In Ayurvedic literature, is a “Rasayana” or rejuvenating drug and hence also traditionally known as Avarada which suggests the application of this plant for enhancing longevity. The seeds of Withania somnifera, Dunal. var somnifera were selected and used for investigations. The present study was conducted to determine geographical feasibility of commercial plantation of Ashwagandha in Barshi Tahsil of Solapur regions of Maharashtra. Different locations from Barshi Tahsil of Solapur region, Maharashtra showed different response of seed germination and vegetative growth. On the basis of these research results it can be concluded that soil properties from this area were more effective for seed germination, growth and development of Withania somnifera, Dunal.

[Shyam C. Kagade and Avinash S. Kadam. Geographical Feasibility of Plantation of Ashwagandha in Barshi Tahsil of Solapur [MH]. Rep Opinion 2017;9(12):62-65]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 11. doi:10.7537/marsroj091217.11.

 

Keywords: Ashwagandha, Analysis, Seed Germination, Growth, Development, Plantation

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12

Intelligent Mathematical/Geometrical Placement and Alignments of the Geological and Archeological Landmarks of Earth

 

David Bruce Brenton

 

a22.5universe@outlook.com

 

Abstract: The measurement of the geological features of Earth, including mountain peaks, islands, coastlines, rivers, ancient archeological sites, and, Holy sites, with a protractor, ruler, and compass, with a Mercator Projection map, (used in navigation and aviation) show that their placements, which current science says should be random, are, in fact, aligned at the cardinal angles, and their divisors, based on the 360 degree protractor, with Easter Rapa Nui Island (first mapped Easter Sunday,1722, meaning “Navel of the World”) at the center and starting-point of a geometric/geographic pattern and story, encompassing the globe., proving intelligent design and fulfilling ancient recorded prophesies.

[David Bruce Brenton. Intelligent Mathematical/Geometrical Placement and Alignments of the Geological and Archeological Landmarks of Earth. Rep Opinion 2017;9(12):66-66]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 12. doi:10.7537/marsroj091217.12.

 

Keywords: Intelligent; Mathematical; Geometrical Placement; Alignment; Geological and Archeological Landmark; Earth and, the same Mathematical/Geometrical Pattern in Astrophysical Landmarks of the Heavens, including: Stars, Nebulas, Kilonovas, Radio-Burst, Galaxies, and the Map of the Cosmos

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Intelligent Mathematical/Geometrical Placement and Alignments of the Geological and Archeological Landmarks of Earth

 

David Bruce Brenton

 

a22.5universe@outlook.com

 

Abstract: The measurement of the geological features of Earth, including mountain peaks, islands, coastlines, rivers, ancient archeological sites, and, Holy sites, using a protractor, ruler, and compass, along with a Mercator Projection map (used in navigation and aviation), that plainly show that their locations, which current science says should be random, are, in fact, aligned at the cardinal angles, and their divisors, based on the 360 degree protractor. With Easter Rapa Nui Island (first mapped Easter Sunday,1722, meaning “Navel of the World”) and it’s 90 degree north/south alignment with the intersect-point of the Dine’ Tribe Holy Mountains in the Four-Corner states of Arizona/Colorado/New Mexico/Utah. With world famous Easter Rapa Nui Island as the center and starting-point of a geometric/geographic pattern and story, encompassing the globe, proving intelligent design and fulfilling ancient recorded prophesies.

[David Bruce Brenton. Intelligent Mathematical/Geometrical Placement and Alignments of the Geological and Archeological Landmarks of Earth. Rep Opinion 2017;9(12):67-68]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 13. doi:10.7537/marsroj091217.13.

 

Keywords: Jesus, Holy Mary, Holy Mountains, Holy Rivers, Geometry, Mapping, Religions, Archeology, Holy Sites, Astrophysics, Geology, Geography, Sports, Basketball, Baseball, Football, Physics, odds

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Comparative X-ray crystallographic study of Tridimenol, Tricyclazole and Tridimefon fungicides

 

Dr Jyotsna Chauhan*

 

HOD of Nanotechnology, Rajiv Ganhi Techanical University, Bhopal (M.P.), India

*Corresponding authors E-mail- jyotsnachauhan2006@gmail.com

 

Abstract: Triazoles compounds contain a ring composed of two carbon atoms and three nitrogen atoms. A systemic fungicide, RH-124(4-n-butyl-1, 2, 4-triazole, BT), has been introduced as an experimental fungicide, possessing high selective activity against brown rust of wheat. However, substitution on nitrogen atom in position 1 in the triazoles producing an amazing variety of compounds such as triadimefon, triadimenol, and biloxazol, have been discovered, which are known inhibitors of fungal sterol biosynthesis. These compounds possess a trityl carbon that can act as a carbonium ion, an organic ion carrying a positive at a carbon location. Tridimefon is volatile and reduced within plants to form tridimenol. While both forms are fungitoxic, the fungitoxicity of triadimefon depends on the rate at which fungi formed triadimenol which is active principle of fungitoxicity. Tricyclazole has excellent systemic properties in rice and is highly effective in field, but requires high concentration of fungicide to inhibit growth in vitro of Pyricularia oryzae. The activity of fungicides is intimately related to its chemical structure. Knowledge about the chemical structure of a chemical is useful for the synthesis of new compounds with more specific actions and fewer adverse reactions, to increase/decrease the duration of action of the original drug or to get a more potent compound, to restrict the action to a specific system of the body and to reduce the adverse reactions, toxicity and other disadvantages associated. We can understand the basic chemical groups responsible for drug action1. Recently it has been observed that some of the fungicides are loosing their effects. So analogous compounds can be designed as substitute, if their structures are known. A rational approach to test these fungicides is to know the three dimensional structure of these compounds and macromolecular receptor sites as well as their molecular complex.

[Jyotsna Chauhan. Comparative X-ray crystallographic study of Tridimenol, Tricyclazole and Tridimefon fungicides. Rep Opinion 2017;9(12):69-72]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 14. doi:10.7537/marsroj091217.14.

 

Keywords: X-ray crystallography, Systemic fungicides, Triazole structure X-Ray diffraction

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15

Synthesis and characterization and comparative studies of Ni, Cu, Mn, Co, Fe doped ZnO

 

Jyostna Chauhan*1, Varsha R Mehto2 and Shikha gangwar1

 

1HOD SONT, Rajiv Ganhi Techanical University, Bhopal (M.P.)

2Rajiv Ganhi Techanical University, Bhopal (M.P.)

*Corresponding author: jyotsnachauhan2006@gmail.com

 

Abstract: ZnO is a typical II-IV semiconductor exhibiting excellent electrical, optical and chemical properties with band gap energy (EG) of 3.1-3.4 eV. It has a very large excitation binding energy of 60 meV at room temperature, which is very close to that of TiO2. It is considered to be more suitable for photocatalysis applications due to its high photosensitivity, and chemical stability.

[Jyostna Chauhan, Varsha R Mehto and Shikha gangwar. Synthesis and characterization and comparative studies of Ni, Cu, Mn, Co, Fe doped ZnO. Rep Opinion 2017;9(12):73-88]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 15. doi:10.7537/marsroj091217.15.

 

Keywords: Synthesis; characterization; comparative study Ni; Cu; Mn; Co; Fe; ZnO

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The manuscripts in this issue were presented as online first for peer-review, starting from December 12, 2017

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