نتایج جستجو برای: plastic packaging
تعداد نتایج: 73692 فیلتر نتایج به سال:
Three standard foodstuff plastic packaging namely polyethylene (PE), polypropylene (PP), and polyvinylchloride (PVC) were evaluated for management of lesser grain borer Rhyzopertha dominica (F.) (Coleoptera: Bostrichidae) and red flour beetle Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). Resistance parameters in packaging were recorded as punctures, holes, penetrations, sealing defe...
Food packaging is defined as a co-ordinated system of preparing food for transport, distribution, storage, retailing, and end-use to satisfy the ultimate consumer with optimal cost (Coles et al., 2003). Food packaging is an essential part of modern society; commercially processed food could not be handled and distributed safely and efficiently without packaging. The World Packaging Organization...
Figure 3(a) shows a temperature dependence ofthe fiber output and monitor current for one of the fabricated 50 samples of the plastic module. The fiber output was 0.2 mW in the full operating temperature range from -40-85°C. The monitor current was >lo0 (*.A at 0.2 mW fiber output and the trackingwidth of < + -20% was obtained in the full temperature range. The rise and fall time ofthe transmit...
Bottled beer is exposed to light during transport or storage, which can unfavourably affect its sensory properties. One of the functions packaging provide maximum protection against possible degradation. Riboflavin (vitamin B2), acts as a photosensitizer, key substance for occurrence degradation in beer. absorbs visible region spectrum and transfers energy other compounds. A cascade subsequent ...
In modern society, the growing use of plastic packaging has innumerable and unquestionable consequences [...]
A new Room Temperature (RT) 0-level vacuum package is demonstrated in this work, using amorphous silicon (aSi) as sacrificial layer and SiO2 as structural layer. The process is compatible with most of MEMS resonators and Resonant Suspended-Gate MOSFET [1] fabrication processes. This paper presents a study on the influence of releasing hole dimensions on the releasing time and hole clogging. It ...
Plastic is readily available and inexpensive, so it is becoming the main material for packaging. Unfortunately plastics do not biodegrade and, if reduced in small pieces, contaminate soil and waterways. In the present work, natural films composed of chitosan, methylcellulose, and silica (SiO(2)) nanoparticles (NPs) were developed as new packaging materials. The effect of the incorporation of NP...
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