測微螺桿 的英文怎麼說
中文拼音 [cèwéiluógǎn]
測微螺桿
英文
micrometric screw-
The company is specialized in the production of small diameter valve suitable for electrical station as well as sampling device and automatic feeding device for firepower electric plant, stop valve for high temperature and high pressure condition, throttle valve for high temperature and high pressure condition, counter - pressure high efficiency cooler, bi - screw reducer, fine adjustment valve together with pipe break, stop valve, diaphragm valve, plug - in speedy connector, ball valve and various special valves in addition to meter connector
公司主要專業生產小口徑電站閥門及火力發電廠的爐內化學檢測集中取樣裝置、爐內自動加藥裝置，高溫高壓截止閥，高溫高壓限流閥，反壓式高效冷卻器，雙螺桿減壓閥、微調閥等取樣裝置件和石油化工行業使用的管道閘閥，截止閥，隔膜閥，承插式快速接頭，球閥及各種特殊閥門，儀表接頭等。The dispersion of the modified nano - sized caco3 in the pvc matrix was observed in tem ( transmission electron microscope ). the influences of surface treatment and the contents of nano - sized caco3, extrusion technology and other additives on the properties of the composites were investigated. the results show that the surface treatment of the nano - sized caco3 particles with wet method enlarged the specific surface area and reduced the surface energy of the particles, and made the particles dispersed at the nanometer level in the pvc matrix, which improved the mechanical properties of the composite
本課題為了解決納米caco _ 3在pvc中的分散問題，對納米caco _ 3粒子進行了濕法處理，採用雙螺桿擠出法制備出具有良好性能的pvc -納米caco _ 3復合材料；對復合材料的力學性能和加工性能進行了測試；利用tem （ transmissionelectronmicroscope ，透射電子顯微鏡）觀察了納米caco _ 3粒子在pvc基體中的分散情況；討論了納米caco _ 3的表面處理方法、納米caco _ 3的含量、復合材料的制備工藝以及各種助劑對復合材料各項性能的影響。
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