gravity n. 1.認真,嚴肅,莊重。 2.重要性,嚴重性;危險性。 3.重量。 4.【物理學】重力,引力,地心吸力。 5.【音樂】(音調的)低沉。 acceleration of gravity重力加速度。 the centre of gravity重心,重點。 specific gravity比重。 null [zero] gravity無重力,失重。 keep one's gravity 持重,不茍言笑。
Standard test method for api gravity of crude petroleum and petroleum products hydrometer method 原油和石油產品api比重的標準試驗方法
Standard test method for specific gravity , api gravity , or density of cutback asphalts by hydrometer method 用比重計法測定稀釋瀝青比重api比重或密度的標準試驗方法
Instead of specific gravity other results such as api gravity , brix , % h2so4 can be programmed upon request 除了比重其他值如api比重,柏利糖度、硫酸濃度都可根據要求編程。
Test method for density , relative density and api gravity of crude petroleum and liquid petroleum products by thermohydrometer method 用溫差比重計法測定原有和液化石油產品的密度相對密度和api重量的試驗方法
Standard test method for density , relative density specific gravity , or api gravity of crude petroleum and liquid petroleum products by hydrometer method 比重計法測定原油和液態石油產品的密度相對密度和api燃油比重
Standard test method for density , relative density , and api gravity of crude petroleum and liquid petroleum products by thermohydrometer method 用溫差比重計法測量原油和液態石油產品的密度相對密度和api重量的標準試驗方法
A large number of density / concentration conversion tables are stored in the instrument as standard , e . g . brix , baume , % alcohol , % sulphuric acid , api gravity , etc 儀器儲存了大量的密度/濃度轉換標準表,如白利糖度、波美比度、酒精濃度、硫酸濃度、 api比重等。
A large number of density / concentration conversion tables are stored in the instrument as standard , e . g . brix , baume , % alcohol , % sulphuric acid , api gravity , etc 儀器儲存了大量的數字密度/濃度轉換標準表,如柏利糖度、波美比度、酒精濃度、硫酸濃度、 api比重等。
The typical deep viscous oils in loujia - kenxi area are characterized by a high density ( or low api gravity ) , a high viscosity , a high sulfur content and low amounts of saturates and aromatics as compared to resins and asphaltenes 羅家-墾西地區的典型稠油在物性上具有高密度、高粘度和高凝固點等特點。在化學組成上具有含硫量高、膠質和瀝青質含量高,而飽和烴、芳烴含量低。
百科解釋
The American Petroleum Institute gravity, or API gravity, is a measure of how heavy or light a petroleum liquid is compared to water. If its API gravity is greater than 10, it is lighter and floats on water; if less than 10, it is heavier and sinks.