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چهارشنبه, 20 اسفند 1393 07:37

لوله های پلی اتیلن نرم ( LDPE ) مطلب ویژه

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(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 5266140 دفعه آخرین ویرایش در سه شنبه, 28 ارديبهشت 1395 11:42

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    Today was supposed to be the day that President Donald Trump’s so-called “reciprocal” tariffs on dozens of countries kicked in after a three-month delay, absent trade deals. But their introduction has been postponed, again.

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    Trump’s tariffs so far have not meaningfully boosted US inflation, slowed the economy or hurt jobs growth. Inflation is “the dog that didn’t bark,” Treasury Secretary Scott Bessent likes to say. But economists argue inflation and jobs will have a delayed reaction to tariffs that could start to get ugly toward the end of the year, and that the current calm before the impending storm has provided the administration with a false sense of security.

    “The positives (of free trade) outweigh the negatives, even in rich countries,” Antonio Fatas, an economics professor at business school INSEAD, told CNN. “I think in the US, the country has benefited from being open, Europe has benefited from being open.”

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    Tariffs are taxes on imports and their most direct typical effect is to drive up costs for producers and prices for consumers.

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    “If you look at a Boeing aircraft, or an automobile manufactured in the US or Canada… it’s really internationally sourced,” Doug Irwin, an economics professor at Dartmouth College, said on the EconTalk podcast in May. And when American businesses have to pay more for imported components, it raises their costs, he added.

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