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- pentane insolubles 戊烷不溶物
- Thermometers are filled with pentane or alcohol. 温度计盛有戊烷或酒精。
- Insolubles content of lubricating oils. 标准英文名： Petroleum products.
- Pentane can be used as the foamer of EPS (expandable polystyrene). 正戊烷及异戊烷可用于EPS(可发性聚苯乙烯)的发泡剂,也可作为分子筛脱蜡工艺的脱附剂。
- We usually use preprocessing method to eliminate the insolubles. 通常采用预处理的方法消除其中的不溶物质；
- Identification of retention time can be accurately obtained using a pentane peak as a standard. 可以用戊烷峰来计算其它峰的保留时间。
- There will always be enough pentane in the syringe to leave a small peak on the chromatogram. 利用适当峰的峰面积，可以计算在每一种馏份和原油中的香芹酮和柠檬烯的含量。
- It's abstracted from the gas condensate and is mainly consisted of pentane and the other heavier hydrocarbon. 从未稳定凝析油中提取的，以戊烷及更重的烃类为主要成分的油品。
- A method for storing natural gas with pentane from natural gas condensate as solvent was proposed in this papaer. 提出一种以凝析油戊烷为溶剂贮存天然气的方法。
- Blowing agent of F11can be substituted by pentane,which is no harm to the environment. 发泡剂F11可用符合环保要求的戊烷完全替代；
- Absorbed by Amberlite XAD-2 resin. Elute with ether and pentane mixture (1:1) and methanol, the bound and free aroma can isolated efficiently. Amberlite XAD-2树脂吸附，结合乙醚戊烷混合液(1:1，V/V)、甲醇的依次洗脱，可以将苹果汁(皮)中的游离态与键合态芳香组分进行有效分离。
- This paper reviewed the methods of preparing the calibration gases of pentane and isopentane and discussed the GC analysis methods. 本文论述了正戊烷、异戊烷标准气体的制备方法,并就该标准气体的气相色谱分析方法进行了探讨。
- When these insolubles are dilute, large & rigid, they can be easily separated by filtration. 对于这些浓度较小，粒径较大，硬度较强的不溶物，，我们可以采用过滤方法分离。
- Synthesized a polymerizable chelate agent, 3 allyl 2,4 pentane dione. Its structure was verified by elementary analysis, FT IR, 1H NMR and MS. 合成了一种可聚合的螯合剂3-烯丙基-2,4-戊二酮,通过元素分析、红外光谱、质子核磁共振谱和质谱确证了产物的结构
- The water soluble bimetallic and multimetallic catalysts of FRIPP are characterized by high activity and no coking(benzene insolubles<1%). 该院开发的水溶性双金属和多金属催化剂具有较高的活性,基本不生焦(甲苯不溶物小于1%25)。
- In any case one must keep in mind that a production plant using pentane requires both specific construction and manufacturing design and production process technology. 在任何情况下，我们都必须认识到使用戊烷的生产线需要特殊的结构、生产设计和加工工艺技术。
- The ether was synthesized from alkylchlorosilane and pentane 2,4 dione in the presence of imidazole under inert conditions by using anhydrous tetrahydrofuran as solvent. 经元素分析、漫反射红外光谱和高效液相色谱法对键合相进行了鉴定和评价。
- Benzene, cyclohexane and normal pentane etc. are frequently used as entrainers in industrial production of anhydrous alcohol through constant boiling and fine distillation. 工业生产中常用苯、环己烷、正戊烷等作夹带剂进行恒沸精馏生产无水乙醇。
- Note: When ammonium sulphate is used in agriculture, it is not pecessary to check the content of Fe, As, heavy metal and water insolubles. 注：硫酸铵作农业用时可不检验铁、砷、重金属和水不溶物含量等指标。
- Natural gas basically is mixed by methane, ethane, propane the hydrocarbon such as butane kind composition, contain a few pentane above to recombine cent. 天然气主要由甲烷、乙烷、丙烷和丁烷等烃类组成，并含有少量戊烷以上重组分。
