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27.403  Articles
1 of 2.741 pages  |  10  records  |  more records»
In the work the experimental determination of the hydrogen concentration in accumulator boxes of the coach in a charging mode of nickel-cadmium batteries in operating conditions (stop and operation) is presented. The comparison of the obtained characteris... see more

Vertically-aligned carbon nanotubes (VACNTs) have extraordinary structural and mechanical properties, and have been considered as potential candidates for creating dry adhesives inspired by adhesive structures in nature. Catalytic chemical vapor depositio... see more

Kulit singkong merupakan bahan alami dengan kandungan selulosa mencapai 33.33%. Dalam rangka pemanfaatan kulit singkong sebagai alternatif polimer alam maupun energi terbarukan, maka diperlukan proses delignifikasi untuk memisahkan selulosa dari hemiselul... see more

Native cassava starch usually has low volume expansion. Some modifications were developed to change its physical and chemical characteristic, i.e. hydrogen peroxide addition and UV-C irradiation. The objectives of this study were to determine UV-C intensi... see more

Study on hydrogen gas concentration to changes in voltage and resistance using semiconductor hydrogen gas sensor has been done. The system which has been designed will measure any changes in the voltage and resistance of the sensor automatically when the ... see more

This paper presents the results of a study on the catalytic activity and selectivity of nickel and palladium catalysts in hydrogenation reactions of nitro- and acetylene compounds. It was shown that the activity and selectivity of nickel catalysts in the ... see more

The aim of this study was to obtain new catalysts for the processing of carbon-containing polymer waste based on polyethylene and polypropylene, represented mostly by lids from beverages bottled in plastic containers, which accumulate in huge quantities i... see more

This paper reports a study into the influence of sodium carbonate concentration (10, 30, and 50 kg/m3) in the simultaneous presence of sodium thiosulfate (250 kg/m3) and quinhydrone (5 kg/m3) on the coefficient of the phase distribution of ... see more

The electrochemical behaviour of potassium hydrogenperoxomonosulfate (KHSO5) in the presence of sodium dodecylbenzenesulfonate (SDBS) has been studied using cathodic voltammetry at the carbositall electrode as indicating in the potential range of +1.0…–1.... see more

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