分别讨论了以不同物料为原料生产环戊烷的可行性。
And discussed the feasibility of using different material as raw material for the prodution of CPA respectively.
控制缩合反应的温度，还得到一种苯并环庚酮和一种苯并环戊烷。
One benzosuberone and one benzocyclopentane are synthesized when controlling the condensation reaction temperature.
甾醇是环戊烷全氢匪为骨架的一种物质，在自然界中以游离态和结合形式存在。
Sterol is a kind of substance of full cyclopentane hydrogen skeleton, and exists in the nature in free form and binding form.
随着样品容器量加大，聚氨酯的临界燃点降低，环戊烷—聚氨酯发泡塑料会发生剧烈燃烧。
The critical ignition temperature of polyurethane foam was lower as the size of the sample vessel was increased, and that the combustion of cyclopentane-polyurethane foam occurred fiercely.
环戊烯与氢卤素加成反应制备卤代环戊烷，工艺流程简单，原料经济，收率高，易实现工业化。
Preparing cyclopentane halide by the addition reaction of cyclopentene with hydrogen halide is a simplified process with a high yield and can be used in a large scale.
这些表面活性剂具有较高的表面活性和相同的亲水基，1 ，3二氧杂环戊烷基团也有一定的亲水性。
The results showed that these surfactants have high surface activity and same hydrophilic group, and the 1,3dioxolane ring are also hydrophilic.
最新消息：历时一年半研发，最新型PU（聚氨酯）环戊烷发泡机即将推出，欢迎您来电咨询，详情面议！
NEWS: last year and a half R & D, the latest PU foam machine cyclopentane upcoming, welcome to inquire!
广东科龙集团无氟生产线中的预混站是使用环戊烷危险物品配制发泡剂的重大危险源，燃烧爆炸事故风险较大。
Because cyclopentane is a flammable and explosive substance, the station with large quantity of it belongs to major hazard installation.
本发明还涉及用有效量的至少一种式（I）二硫杂环戊烷化合物使至少一种二苯甲酰甲烷衍生物对辐射光稳定化的方法。
This invention also relates to a light stabilizing method for at least one dibenzoylmethane derivative with effective amounts of at least one dithiolane compound (I).
对其中的1，3-二硫杂环戊烷类、2-酰基噻唑类、5-酰基噻唑类及相应的噻唑啉化合物的香味特征进行了归纳，发现它们都具有肉香味。
It was found that 1,3-dithiolanes, 2-acylthiazoles, 5-acylthiazoles and the corresponding thiazolines, which contains the nuclear structure, possess meaty aroma notes.
戊烷沥青质中以迫位缩合的芳香环系结构为主，胶质组分中渺位缩合与迫位缩合的芳香环系结构各占相当比例。
The aromatic structure of pentane asphaltenes is mainly peri condensed, while for resins the proportion of cata condensed and peri condensed aromatic structures is comparable.
戊烷沥青质中以迫位缩合的芳香环系结构为主，胶质组分中渺位缩合与迫位缩合的芳香环系结构各占相当比例。
The aromatic structure of pentane asphaltenes is mainly peri condensed, while for resins the proportion of cata condensed and peri condensed aromatic structures is comparable.
应用推荐