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30ª Reunião Anual: ano 30 da Sociedade Brasileira de Química
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- �
- doi：
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10.1590/S0100-40422007000400001
- 作 者：
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SBQ;Mangrich, Antoni...
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- 期刊标题：
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Química Nova
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Chemical industry: recent developments, problems and opportunities
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- Chemical industry underwent a significant upturn in the past few years. In Brazil, the position of t...
- doi：
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10.1590/S0100-40422007000600008
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Santos, Ádamo César ...
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- 期刊标题：
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Química Nova
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Efficiency evaluation for stationary phosphoric acid fuel cell
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- Operation and performance of a commercial PAFC power plant were analyzed. Processes influencing ener...
- doi：
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10.1590/S0100-40422007000700005
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LACTEC - Instituto d...
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- 期刊标题：
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Química Nova
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Origins of the Universities in Brazil
- 摘要：
- Higher education was precariously installed in Brazil in colonial times, and during that period it l...
- doi：
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10.1590/S0100-40422007000700050
- 作 者：
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Barreto, Arnaldo Lyr...
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- 期刊标题：
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Química Nova
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General scheme for elucidating the structure of organig compounds using spectroscopic and spectrometric methods
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- This work describes a systematic method to be applied in undergraduate courses of organic chemistry,...
- doi：
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10.1590/S0100-40422007000400047
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Universidade Federal...
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- 期刊标题：
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Química Nova
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Determination of edta content in cleaning solutions after their use in industrial equipaments
- 摘要：
- Cleaning solutions containing EDTA are widely employed to remove incrustation despite of the costs i...
- doi：
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10.1590/S0100-40422007000400042
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Universidade de São ...
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- 期刊标题：
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Química Nova
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The ammonia synthesis: some historical aspects
- 摘要：
- The ammonia synthesis from its elements plays an important role in the survival of humankind. A shor...
- doi：
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10.1590/S0100-40422007000100039
- 作 者：
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Chagas, Aécio Pereir...
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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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Pectinolytic enzymes: industrial applications and future perspectives
- 摘要：
- Pectic substances are structural heteropolysaccharides that occur in the middle lamellae and primary...
- doi：
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10.1590/S0100-40422007000200028
- 作 者：
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Uenojo, Mariana;Past...
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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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Ascarel determination in insulating oil of transformers
- 摘要：
- The contamination level of silicon oil used as insulation liquid in high-voltage transformers by asc...
- doi：
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10.1590/S0100-40422007000300034
- 作 者：
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Souza, Ivan Gonçalve...
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- 期刊标题：
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Química Nova
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A low-cost procedure for copper determination in natural waters and plant materials exploiting solid phase spectrophotometry
- 摘要：
- A method for determining copper by solid phase spectrophotometry (SPS) was optimized using the Doehl...
- doi：
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10.1590/S0100-40422007000800038
- 作 者：
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Vazquez, Francisco A...
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- 期刊编号：
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- 期刊标题：
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Química Nova
