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Virtual polarimeter: development, use and evaluation of an educational software application
- 摘要：
- Optical activity is the ability of chiral substances to rotate the plane of plane-polarized light an...
- doi：
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10.1590/S0100-40422012000900032
- 作 者：
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Barbosa, Francisco G...
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- 期刊标题：
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Química Nova
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Study of an electrochemical method to sunflower oil to biodiesel conversion assessment
- 摘要：
- The development of analytical procedures to evaluate transesterification process is still a challeng...
- doi：
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10.1590/S0100-40422012000100010
- 作 者：
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Ribeiro, Caue;Embrap...
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- 期刊标题：
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Química Nova
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The volatile fraction of sugar cane spirits produced in Brazil
- 摘要：
- The volatile fraction of sugar cane spirits plays a
- doi：
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10.1590/S0100-40422012000900022
- 作 者：
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Maria, Carlos A. B. ...
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- 期刊标题：
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Química Nova
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Effect of dye structure and redox mediators on anaerobic azo and anthraquinone dye reduction
- 摘要：
- We investigated the biological decolourisation of dyes with different molecular structures. The kine...
- doi：
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10.1590/S0100-40422012000300008
- 作 者：
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Costa, Mayara Carant...
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- 期刊标题：
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Química Nova
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Recovery of tungsten from wolframite from the Igarapé Manteiga mine (Rondônia - Brazil) via acidic leaching
- 摘要：
- We report results of the efficiency of tungsten extraction from wolframite concentrate (containing 6...
- doi：
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10.1590/S0100-40422012000900026
- 作 者：
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Afonso, Julio Carlos...
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- 期刊标题：
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Química Nova
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Treatment for purification water of biodiesel using electrofloculation
- 摘要：
- Biodiesel was created as a solution for a great economic and enviromental problem of petroleum, a re...
- doi：
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10.1590/S0100-40422012000400014
- 作 者：
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Brito, Juliana Ferre...
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- 期刊标题：
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Química Nova
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Biodiesel production via ethylic transesterification with basic zeolites
- 摘要：
- Soybean oil transesterification with ethanol was carried out in a batch reactor using USY zeolites m...
- doi：
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10.1590/S0100-40422012000100022
- 作 者：
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Universidade de Bras...
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- 期刊编号：
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- 期刊标题：
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Química Nova
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Rotenoids from Tephrosia toxicaria with larvicidal activity against Aedes aegypti, the main vector of dengue fever
- 摘要：
- In the search for new larvicides from plants, we have investigated the potential activity of the rot...
- doi：
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10.1590/S0100-40422012000600005
- 作 者：
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Braz-Filho, Raimundo...
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- 期刊编号：
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- 期刊标题：
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Química Nova
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Complete ¹H and 13C NMR structural assignments for a group of four goyazensolide-type furanoheliangolides
- 摘要：
- Four goyazensolide-type sesquiterpene lactones - lychnofolide, centratherin, goyazensolide and goyaz...
- doi：
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10.1590/S0100-40422012001100020
- 作 者：
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Heleno, Vladimir Con...
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- 期刊编号：
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- 期刊标题：
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Química Nova
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Nutrients fluxes from groundwater discharge into Mangueira Lagoon (Rio Grande do Sul, Brasil)
- 摘要：
- This study assesses the importance of groundwater discharge to dissolved nutrient levels in Mangueir...
- doi：
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10.1590/S0100-40422012000100002
- 作 者：
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Universidade Federal...
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- 期刊编号：
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- 期刊标题：
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Química Nova
