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- A petroleum derivative, such as a machine oil or lubricant. 石油衍生物,如机器油或润滑剂
- A petroleum derivative,such as a machine oil or lubricant. 石油衍生物,如机器油或润滑剂
- COMPOSITION: It is complex petroleum derivative products mixture, Mixed with Fatty group, cyclanes, carbon combined with chloride products organic solvent. 组成信息: 这是一种由石油衍生的复杂混合物;脂肪族;环烷烃碳氯化合物的有机溶剂。
- Some MEC treatments have small amounts of petroleum derivatives, however, these treatments will not harm leather. 某些MEC的处理剂含有少量的石油提炼物,不过这些处理剂不会损害皮革。
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物,如煤或石油
- Test Method for Characteristic Groups in Rubber Extender and Processing Oils and other Petroleum Derived Oils by the Clay-Gel Absorption Chromatographic Method (05. 用粘土胶吸收色谱法测定橡胶膨胀剂和加工油以及石油的特性集的试验方法(05。
- Like laundry detergents, they contain fragrance compounds, synthetic petroleum derivatives, which coat food dishes and utensils with a thin layer of carcinogens. 正如洗衣清洁剂,它们含有香味化合物,合成石油衍生物,这些物质使食品或器皿含有一层薄薄的致癌物质。
- GO2 is a brand originated by JGO. All GO2 products are imported from reputable oversea suppliers in Australia and the UK who use only nature and pure ingredients, free from artificial colors, fragrances and petroleum derived products. GO2为香健会创建之品牌,所有产品进口自澳大利亚及英国的信誉卓著的供货商,天然植物配方,绝无人造色素、香精或石油副产品,安全有效。
- Indonesia is abundant in petroleum deposits. 印尼的石油蕴藏量丰富。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- A trademark used for a brand of petroleum jelly. 凡士林用来作为石油脂的商标
- Taiwan seems to contain no petroleum. 台湾恐怕没有蕴藏石油吧!
- This land is rich with petroleum. 这片土地盛产石油。
- The chemistry of petroleum and its derivatives. 石油化学石油及其复合物的化学
- Petroleum can be used to produce various chemical products. 石油可用于生产多种化学产品。
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- A mark used as a superscript to indicate the first derivative of a variable. 撇号置于右上角的符号,用以标明变量的第一个导数
- Crude oil can be refined into various petroleum products. 原油可炼制成各种石油产品。
- The derivative of the step is the impulse. 阶梯的导数就是脉冲。
- A derivative is defined by a limiting process. 导数是通过一个极限过程加以规定的。