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Tham khảo tài liệu 'polyme analysis 2010 part 12', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Scanning Electron Microscopy SEM J Examine surface irregularities or fracture areas in a part for plastics applications. J Measure the thickness in cross section of thin coatings. SStudy surface topography and failure analysis STest specimens are sputter coated with gold then placed in a vacuum chamber for viewing on the computer monitor at up to 10 000x magnification. J Polaroid photos are taken for a permanent record. Approximately 0.25 x 0.25 Polaroid photos can be scanned into electronic documents. Untreated jute ll - 4.K KK n IT - fi IÌI w ĨW Kr - ị NaOH-treated jute NaOH PAPS-jute PP jute composite with .
