| 单词 | polypropylene |
| 释义 | polypropylene noun[U] uk/ˌpɒl.ɪˈprəʊ.pə.liːn/us/ˌpɑː.lɪˈproʊ.pə.liːn/atypeofplasticused for manypurposes, such asfoodpackaging, makingropes, and makingartificialfabrics 聚丙烯Plastics & rubber
Examplesofpolypropylenepolypropylene The grids were constructed frompolypropylene, a material which floats in water. From theCambridge English Corpus The seedlings were covered withpolypropylenetops to promote seed germination. From theCambridge English Corpus In addition, all injection molded par ts are assumed to bepolypropylene, all metal bases are aluminum, and all heating plates are steel. From theCambridge English Corpus The gas transfer has been maximised by careful use of the blood/gas configuration features (respectively around and inside the hollowpolypropylenefibre). From theCambridge English Corpus Samples were collected in clean (washed with 5% hydrochloric acid and rinsed five to ten times with deionized water)polypropylenebottles. From theCambridge English Corpus Two types of surface are currently used in dairy factories: stainless steel andpolypropylenesheets. From theCambridge English Corpus They were transported from the field inpolypropylenebags and shaded from direct sunlight with a canvas screen. From theCambridge English Corpus Longitudinal arteriotomy was carried out, and 4 interrupted mattress sutures of 4-0polypropylenewere used to close the fistula. From theCambridge English Corpus The coronary artery was then closed longitudinally with 4-0polypropylenerunning suture. From theCambridge English Corpus Aliquots of plasma were immediately pipetted into 1.5 ml conicalpolypropylenetubes, capped and frozen until hormone analysis. From theCambridge English Corpus They were housed inpolypropylenecages in a temperaturecontrolled room. From theCambridge English Corpus The dilated aneurysmal portion of the atrium was resected and the remainder of the atrial wall was closed with a continuous suture of 5-0polypropylene. From theCambridge English Corpus Funnel mouths were covered withpolypropylenemesh (0.2 cm mesh size) to exclude litter and insects. From theCambridge English Corpus For drought, plants were covered withpolypropyleneuntil harvest, while irrigated plants were watered when the soil moisture reached a level of 60% of field capacity. From theCambridge English Corpus Each cage was made ofpolypropylene33 15 13 cm and had a stainless steel wire lid on top which held a water bottle and commercial rodent chow. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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