Testing of mineral oils ; determination of carbon - type composition 礦物油的檢驗.碳類成分的測定
Standard test method for carbon - type composition of insulating oils of petroleum origin 石油制絕緣油的碳類組分的標(biāo)準(zhǔn)試驗方法
Standard test method for determination of hydrocarbon types composition in gasoline by multidimensional gas chromatography 汽油中烴族組成測定法多維氣相色譜法
The test conditions and production processing of a new type composition brake shoe are introduced , and the working life is raised a times than iron brake shoe , showed by underground industry test 介紹了新型合成閘瓦的試驗條件及生產(chǎn)工藝過程;通過井下工業(yè)性試驗,合成閘瓦比鑄鐵閘瓦使用壽命提高一倍。