Countries that have a Deposit and Refund System (DRS) show high rates of selective beverage packaging waste collection, indicating that it is a powerful economic instrument for achieving the European packaging recycling targets.DRS ensure that collected material is of a sufficiently high quality to be incorporated into new products.In Portugal, the
The molecule of the title chalcone derivative, C19H15NO, exists in a trans configuration with suede-chinks-with-basketweave-accents respect to the C=C double bond.The molecule is slightly twisted with a dihedral angle of 6.12 (12)° between the benzene ring and the naphthalene ring system.The prop-2-en-1-one bridge is nearly plana
Abstrak Terung (Solanum melongena L.) tergolong tanaman yang sensitif terhadap kekeringan selama tahap pertumbuhan dan perkembangannya.Karakteristik stomata dan trikoma merupakan kriteria yang dapat digunakan untuk mengidentifikasi tanaman yang toleran terhadap kekeringan.Penelitian bertujuan menguji respons karakteristik anatomi daun berupa trikom
The spatial structure of a tightly focused light field is measured with a double knife-edge scanning method.The measurement method is based on the use of a high-quality double knife-edge fabricated from a right-angled silicon fragment mounted on a photodetector.The reconstruction of the Helicopter Kit three-dimensional structures of tightly focused