Zobrazeno 1 - 10
of 174
pro vyhledávání: '"Polyethylen"'
Publikováno v:
电力工程技术, Vol 41, Iss 6, Pp 147-153,162 (2022)
In recent years,high voltage cross linked polyethylen (XLPE) cable buffer layer ablation defects occur frequently,which has a serious impact on the safe operation of the cable. It is extremely urgent to study how to reduce the impact of the buffer la
Externí odkaz:
https://doaj.org/article/d15038b9d3034b32ac00793556ce606f
Autor:
Giovanni Paoletti, Francesca Racca, Alessandra Piona, Giulio Melone, Morena Merigo, Francesca Puggioni, Sebastian Ferri, Elena Azzolini, Michele Lagioia, Donatella Lamacchia, Giuseppe Cataldo, Maurizio Cecconi, Giorgio Walter Canonica, Enrico Heffler
Publikováno v:
World Allergy Organization Journal, Vol 14, Iss 5, Pp 100541- (2021)
Background: Novel Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) vaccines have been approved recently, and public concern regarding the risk of anaphylactic reactions arose after a few cases during the first days of mass vaccination. Po
Externí odkaz:
https://doaj.org/article/9e6ee3c7b9f7486bb8644218666ad052
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 20, Iss 1, Pp 19-24 (2017)
Telah dilakukan pembuatan zeolit Y dengan kajian konsentrasi dan jenis surfaktan yaitu cetyltrimethylammonium bromide (CTAB) dan Polyethylen Glycol-400 (PEG-400). Adapun bahan baku utama untuk membuat zeolit Y adalah sol silika dan alumunium hidroksi
Externí odkaz:
https://doaj.org/article/a87ae8490e70430f911a5cceb58bd8bb
Due to the wide range of properties of plastics (e.g. low density, low electrical and thermal conductivity), conventional materials will be increasingly substituted by polymers. Multifarious requirements on technical parts intensify the demand for jo
