لوگو شرکت مهرآوند

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چهارشنبه, 20 اسفند 1393 07:37

لوله های پلی اتیلن نرم ( LDPE ) مطلب ویژه

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این مورد را ارزیابی کنید
(1 رای)
این لوله ها از پلیمرهای با دانسیته پایین، گرید PE32 و PE40 با خط تولید مخصوص لوله های LDPدر قطرهای 16 تا 32 میلیمتر و فشار کاری 2.5 تا 6 اتمسفرتولید می شوند.

مزیت، ویژگی و کاربردها :

مزیت این لوله ها حالت نرم بودن و انعطاف پذیری بالای آنها می باشد و کاربرد آنها در آبیاری قطره ای است
خواندن 5267213 دفعه آخرین ویرایش در سه شنبه, 28 ارديبهشت 1395 11:42

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    The bow of a US Navy cruiser damaged in a World War II battle in the Pacific has shone new light on one of the most remarkable stories in the service’s history.

    More than 80 years ago, the crew of the USS New Orleans, having been hit by a Japanese torpedo and losing scores of sailors, performed hasty repairs with coconut logs, before a 1,800-mile voyage across the Pacific in reverse.

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    The torpedo’s explosion ignited ammunition in the New Orleans’ forward ammunition magazine, severing the first 20% of the 588-foot warship and killing more than 180 of its 900 crew members, records state.

    The crew worked to close off bulkheads to prevent flooding in the rest of the ship, and it limped into the harbor on the island of Tulagi, where sailors went into the jungle to get repair supplies.

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    The New Orleans’ officers would have had to learn – on the go – a whole new set of actions and commands to keep it stable and moving in the right direction, he said.

    The ingenuity and adaptiveness that saved the New Orleans at the Battle of Tassafaronga enabled it to be a force later in the war.

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