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Stavros Misopoulos, Dirk Nather and Jose Marques-Hueso
Much scientific equipment requires the use of humidity control technologies. This includes instruments with hygroscopic optics, such as infrared spectrometers, OPOs and some lasers. The most common strategies include nitrogen purging or desiccant bag rep...
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João M. S. Dias and Vítor A. F. Costa
This paper presents an adsorption cooler (AC) driven by the surplus heat of a solar thermal domestic hot water system to provide cooling to residential buildings. A cylindrical tube adsorber using granular silica gel as adsorbent and water as adsorbate w...
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Yongsheng Liao, Yue Cheng, Zhongyu Zhuang, Rongjun Li, Yuan Yu, Ruixue Wang and Zhiwei Jiao
The most common and easy approach to fabricating flexible strain sensors is based on the deposition principle. To improve the design of the sensing layer pattern, the reproducibility of the process and the sensitivity of the sensor, a controllable low-te...
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Kamaruddin A., Aep S. Uyun, Alie Bamahry, Rino Imanda
Pág. 51 - 55
Desiccant cooling system has been an attractive topic for study lately, due to its environmentally friendly nature. It also consume less electricity and capable to be operated without refrigerant. A simulation study was conducted using 1.5 m long ducting...
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Engineering of effective photocatalytically active structures is of great importance as it introduces a solution for some existing air pollution problems. This can be practically achieved through the bonding of particulate photocatalysts to the surface o...
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Muhammad Naeem Iqbal, Asfa Ashraf
Pág. 14 - 15
EDITORIALEnvironmental pollution arising from heavy metals and minerals in the wastewater is the most serious problem. Due to extensive anthropogenic activities such as industrial operations particularly mining, agricultural processes and disposal of ind...
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Candice van Wyk, Francien Susanna Botha, Robert Vleggaar, Jacobus N Eloff
Pág. 66 - 70
In a random screening of the anti-Candida activity of more than 500 tree species, the acetone leaf extract of Ptaeroxylon obliquum (Thunb.) Radlk. (Sneezewood) had very good antifungal activity against Candida albicans. We isolated the compound...
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Sudewi Mukaromah Khoirunnisa
Pág. 94 - 101
A total of 26.6% of the population in Lampung Province consume traditional medicine, one of which is Jamu Pegal Linu. However, a large public interest in herbal products is often misused by herbal manufacturers that it is possible to add BKO (Medicinal C...
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Bruno Araújo Alves,Lucilene Tavares Medeiros,Juliana de Fátima Sales,Adriene de Cássia Branquinho,José Waldemar da Silva,Rodolfo Gomes de Souza
O objetivo do trabalho foi verificar a percentagem de germinação e o IVG em sementes de Brachiaria brizantha das cultivares Marandu e MG-5 submetidas a diferentes métodos de secagem: sem secagem (SS), secagem rápida (SR), secagem lenta (SL) e ambientes d...
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Victoria E. Sy, Santiago Schalamuk, Ana C. Scorsetti, Irma L. Botto
Pág. 273 - 282
Improvements in the formulation of biological insecticides are crucial to increase their stability and competitiveness in the market. The aim of this work was to evaluate the use of volcanic materials with different hydric retention capacities to increas...
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