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2000 articles for “Creo parametric 2.0” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Studies on Zirconium(IV) Telluroiodate: A New Heteropolyacid Based Inorganic Ion Exchange Material
Abstract: Zirconium (IV) telluroiodate has been synthesized as a new inorganic cation exchanger by adding a mixture of aqueous solution of 0.1 M potassium iodate and 0.1 M sodium tellurite to aqueous solution of 0.1 M zirconium (IV) oxychloride under varying mixing ratios at pH 1. Its ion exchange capacity for Na+ was found to be 1.85 meqg1 of dry exchanger. The material has been characterized on the basis of chemical …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 2, Issue 1, 2016 Read article
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Preparation and Characterization of Mixed Ligand Complexes of Cobalt(II) and Ni(II) salt of Phthalimide with Some Oxamic Acids
Abstract: The mixed ligand complexes of oxamic acids with Co(II) and Ni(II) salt of phthalimide were prepared, where oxm= N-phenyl thio urea oxamic acid(NPTUOA),m-tolumide oxamic acid (m-TOA), N-pyrrazole oxamic acid & phth= Co(II) and Ni(II) salt of phthamlimide. These all mixed ligand complexes examined by their elemental analysis, melting points, UV-visible analysis, I.R studies, magnetic susceptibility measurements and thin layer chromatography. Elemental analysis of the complexes shows 1:2 (Metal:Ligand) stiochiometry for …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 1, 2017 Read article
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EFFECTS OF THE LABORATORY ASSISTED LECTURE METHODS ON ACADEMIC ACHIEVEMENT OF GRADE 8 STUDENTS IN CHEMISTRY SUBJECT IN FINOTE SELAM WOREDA, AMHARA REGION
Abstract: In Science education, laboratories are considerably important because they provide the opportunity for students to perform various hands-on activities. The aim of this study was to examine the comparative effects of the laboratory assisted and lecture methods on primary school students’ achievements in chemistry subject. With this aim, four research questions and four hypotheses guided the study. Sixty six (66) students (12 male and 11 female in the experimental group …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 1–9 Read article
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Synthesis of Different types of Heterocycles are used by Claisen rearrangement reaction
Abstract: The Claisen rearrangement is a powerful tool for carbon-carbon bond-forming reaction which was discovered by Rainer Ludwig Claisen. The discovery of the Claisen rearrangement nearly a century ago accessible a potentially useful synthetic tool to the organic chemist. Utility of this rearrangement over the decades has been realized and the reaction has drawn the consideration of numerous research groups, which has been showed in the number of publication on the …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 1, 2020 · pp. 44–48 Read article
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Examination of White Specie Onion for Production of Oil: Integration for Pharmaceutical Production
Abstract: Research work was carried out to examiner the characteristics of oil produced from white specie of onion obtained in Nigeria. The following functional parameters were examined with therefractive index of 1.34926, density of 1.1036g/cm3, viscosity of 2.45cst, iodine value of 28.1083%, saponification value of 10.94%, free fatty acid (FFA) of 11.264%, peroxide value of 45% and acid value of 2.104%. The result obtained reveals the significance of white onion specie …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 1, 2020 · pp. 1–14 Read article
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Synthesis, characterization of Schiff base and its pH metrically studies of transition metal complexes of N'-(3, 4-dihydroxybenzylidene) isonicotinohydrazide.
Abstract: Schiff reaction is one of the versatile reaction widely used in organic synthesis focused on the discovery & development of isoniazide Schiff base derivative N’(3,4-Dihydroxy benzylidene isonicotinohydrazide) have been reported in presence of 0.01g molecular iodine catalyst stirring give fast product & good yield. The synthesized compound is characterized by FTIR & H-NMR analysis. For the development of coordination chemistry Schiff base & metal ion having played most important role, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 2, 2020 · pp. 39–47 Read article
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Stability Analysis of Mahua Seed and Waste Polystyrene Co-pyrolytic Oil
Abstract: Biomass pyrolytic oil is a complex mixture of organic compounds and obtained in a non-equilibrium state. Hence, the physical properties of bio-oil such as calorific value, viscosity, pH, density, flow ability and chemical compositions vary during storage. In this study, co-pyrolysis of Mahua seed was performed with waste polystyrene and studied the fuel properties and composition. The co-pyrolytic oil was produced at 2:1 ratio of seed to waste polystyrene using …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 2, Issue 1, 2016 · pp. 1–7 Read article
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Performance Investigation of Single Sloped Solar Still Using Sand Beds
Abstract: Although more than 2-3rd of the earth is covered with water were less than 1% of it (freshwater) is in humans, plants & animals reach for their survival. The demand in fresh water for drinking, agriculture & industry largely exceeds the amount that fresh sources can meet. Access to safe/fresh water is a challenge in many communities in developing countries. Among the available purification technologies solar powered distillation system has …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 6, Issue 1, 2020 · pp. 30–40 Read article
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Sustainable Development and Renewable Energy in India through Education
Abstract: In this paper we have to discuss about the sustainable development and renewable energy in India through education. This research was featured to perceive in our time is how to sustain our study. It also discusses the multiple difficulties that may be had to face in the course of teaching out to the goal spectator. There has been overhauling of teacher education programmes across the land, Hence it is essential …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 7, Issue 2, 2021 · pp. 11–16 Read article
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Synthesis and Characterization of Mixed Ligand Complexes of Hydroxamic Acids with Metal (II) Phthalimide
Abstract: The mixed ligand complexes of Co (II) and Ni (II) with potassium salt of phthalimide (primary ligand) and hydroxamic acids (secondary ligand), where hoxm = L1=3,4,5-trimethoxy benzohydroxamic acids (TMBHA), L2=N-phenyl–3,4,5-trimethoxy benzohydroxamic acid (PTMBHA), L3=3,4-di methoxy benzohydroxamic acid (DMBHA) and L4=N-phenyl-3,4-di methoxy benzohydroxamic acid (PDMBHA) and phth=phthamlimide were synthesized and characterized by elemental analysis, melting points, I.R studies, UV–visible analysis, measurement of magnetic susceptibility, thin layer chromatography, etc. Elemental analysis depicts …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 3, Issue 1, 2017 · pp. 1–6 Read article
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THERMODYNAMICS OF HEAVY METALS (Hg2+, Cd2+, Fe2+AND Ni2+) ADSORPTION USING BOILER FLY ASH
Abstract: The effect of temperature on the adsorption of heavy metals, Hg2+, Cd2+, Fe2+ and Ni2+ using unactivated boiler fly ash (an agricultural waste) was investigated. The results showed that Hg2+ and Cd2+ ions were mostly affected by increase in temperature because their sorption rate decreased at high temperature. At the temperature of 273 K and 383 K, the amount of Hg2+ adsorbed (mg/g) by the unactivated boiler fly ash was …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 6, Issue 2, 2020 · pp. 25–34 Read article
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Study of Shear Strength Behaviour of Soil With Kaolinite Mixture
Abstract: An experimental testing program was undertaken for evaluating the effect of kaolinite on the strength properties of locally available sand and soil. Strength depends principally upon the content of (1) water, (2) clastic materials and (3) plastic materials. Soils are primarily of two types (1) cohesionless soils in which the strength this produced mainly by the friction of clastic particles against one another, and (2) cohesive soils in which the …
Published in International Journal of Construction Engineering and Planning · Vol. 3, Issue 1, 2017 · pp. 1–5 Read article
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Compressive Strength, Water Absorption and Temperature Effects on Partial Replacing Cement with GGBS, Micro Silica and Fly Ash
Abstract: Widespread research work for decades also in development throughout the globe in concrete technology in finding substitute materials which can incompletely change Pozzolonic Portland Cement (PPC) and which can also meet the necessities of the strength and durability performance of industrial by products like micro silica, ground granulated blast furnace slag, fly ash, etc. now termed as complimentary cementations materials (CCM) are quite promising. The increased quest for sustainable and …
Published in International Journal of Construction Engineering and Planning · Vol. 4, Issue 2, 2018 · pp. 30–37 Read article
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Experimental Study on the Properties of Self-Curing Concrete
Abstract: This paper highlights the effect of curing agent polyethylene glycol (PEG-400) in the performance of concrete. The chemical agent PEG is used with different percentage; 1%, 2% and 3% to the weight of cement. Super plasticizer named glenium was used to improve the workability of concrete. The property such as compressive strength and split tensile strength of concrete was examined with normal curing and self-curing at 7 days and 28 …
Published in International Journal of Concrete Technology · Vol. 3, Issue 1, 2017 · pp. 8–13 Read article
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Statistical Analysis of Self-Compacting Concrete Impregnated with Coir Fiber
Abstract: Concrete is the construction material widely used throughout the world. Construction materials used in the industry should be friendly with the environment during its usage. Self-compacting concrete (SCC) is an innovative concrete that does not require vibration for placing and compaction. It is able to flow under its own weight, completely filling formwork and achieving full compaction, ev+ en in the presence of congested reinforcement. The hardened concrete is dense, …
Published in International Journal of Concrete Technology · Vol. 3, Issue 2, 2017 · pp. 39–49 Read article
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Utilization of Paper Waste in Making of Cement Concrete
Abstract: Cement manufacturing industry is one of the main carbon dioxide constructing sources moreover burning of fossil fuels and deforestation and concrete industry is one of the major consumers of natural virgin materials. India is the country that is facing a severe contest in the disposing the waste in landfills throughout the country. The landfill disposal is resulting in high disposal costs and potential environmental problems. If the current situation continues, …
Published in International Journal of Concrete Technology · Vol. 4, Issue 1, 2018 · pp. 36–41 Read article
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Experimental Study of Mechanical Properties Geopolymer Concrete.
Abstract: This experimental study aimed to define the parameters for optimum mix design of geopolymer concrete made by partial replacement of cement. The geopolymer concrete is nothing but the formation of fly ash and alkali activators. Fly ash is the waste product from the thermal power station and may use as the pozzolanic material. But, only fly ash is may not the only replacement for the cement, for the more binding …
Published in International Journal of Concrete Technology · Vol. 5, Issue 2, 2019 · pp. 16–22 Read article
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Compressive Behaviour of Lightweight Aggregate Concrete by Blending LECA
Abstract: Present work deals with the lightweight aggregate concrete (LWAC) by using Lightweight Expanded Clay Aggregate (LECA) as lightweight aggregate, LECA is used as replacement to the natural coarse aggregate in the concrete, in this experimental work percentage of lightweight aggregates are varied to study the change in the properties of concrete made by blending LECA. LECA content was varied from 20% to 100% at an increment of 20%. Total 6 …
Published in International Journal of Concrete Technology · Vol. 5, Issue 2, 2019 · pp. 10–15 Read article
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Replacement of Natural Fine Aggregate by Copper Slag
Abstract: This paper presents the applications of replacement of natural fine aggregate using copper slag. The study is conducted by replacing the fine aggregate from 0 to 100% at the interval of 20% on M25 grade concrete and 1.8% superplasticizer by weight of cement. The compressive strength, split tensile strength and flexural test is studied and reported. It is observed that replacement of natural fine aggregate at 40% (CS40) gives higher …
Published in International Journal of Concrete Technology · Vol. 5, Issue 2, 2019 · pp. 23–28 Read article
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Evaluation of The Resistance of Concrete by Partial Replacement of Coarse Aggregate with Steel Slag and Cement with Bentonite Powder
Abstract: According to the WHO, concrete is the third most consumed material by humans after food and water. Concrete consists of cement, coarse aggregate, fine aggregate and water. In the production of cement, carbon dioxide is released into the environment, which becomes a big problem for environmental protection. Therefore, there is a need to modify the cement with some natural materials with pozzolanic properties. The aggregates, which are extracted from natural …
Published in International Journal of Concrete Technology · Vol. 8, Issue 1, 2022 · pp. 21–29 Read article