octadecane中文什么意思
十八碳烷
十八烷
- erythro-2,3-octadecane-diol: 赤式-2，3-＋八烷二醇
例句与用法
- In experimental research , the s - l - e of eleven binary system including fatty alcohol / fatty acid , n - octadecane / fatty acid , n - octadecane / fatty alcohol system were determined by cooling curve . at the same time , the s - l - e of one ternary system of n - octadecane / fatty acid / stearic acid was measured by pseudo - duality , and t - x phase diagrams of these systems were drawn
在实验的研究中，采用步冷曲线法测定了12醇-羧酸系列、部分18烷-羧酸体系、 18烷- 12醇体系共11组体系的二元固液相平衡关系，同时采用拟二元法测定了18烷-硬酯酸-月桂酸体系的三元固液平衡关系，绘制了这12组体系的t - x相图。 - Last , polyurea microcapsule containing octadecane as phase change material was successfully synthesized by interfacial polycondensation using tdi and deta as shell monomers in an emulsion only by reaction of tdi and deta , but also reaction of tdi and amines which are formed by hydrolysis of tdi at the interface
制备聚脲树脂微胶囊的过程不仅包括tdi和deta的反应，还包括tdi与自身水解产物的界面反应。 tdi与deta反应质量比为3 ： 1 。另外， np - 10还与tdi反应生成脲烷。 - This article choosed out organic phase change materials , and , the solid - liquid - equilibrium of eleven binary system including fatty alcohol / fatty acid , n - octadecane / fatty acid , n - octadecane / fatty alcohol system were determined by cooling curve , and , t - x phase diagrams of these systems were drawn . the result shows that all these systems are simple eutectic , at the same time , the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ) . and n - octadecane / fatty acid systems were calculated theoretically
本文初选出部分有机相变贮能材料，采用步冷曲线法测定了12醇-羧酸系列、 18烷-羧酸系列、 18烷- 12醇体系共11组体系的二元固液相平衡关系，绘制了这11组体系的t - x相图，测定结果表明，这几组体系均为简单低共熔体系；同时利用差热扫描量热法( dsc )对上面各组体系低共熔点处的相变焓进行了测定；并对18烷-羧酸系列进行了热力学理论预测。 - The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation , and the equation was examined with experimental data . at the same time , we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system , and we got an accurate result of the simple eutectic temperature . the relative error is 0 . 51 % comparing with the experimental result , so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory , designed the experimental apparatus to measure the energy saving effect , and analyzed the temperature equalization action of the pcms by comparing experiment
利用这种方法，建立了适合醇-羧酸等系列二元体系的单参数margules方程，本文对醇-羧酸系列等8个二元凝聚体系的单参数margules方程的参数进行回归，并利用整个实验数据对模型进行了检验，另外，本文利用理想状态模型对一个三元体系18烷-月桂酸-硬酯酸相图进行预测，通过与实验数据进行比较，预测的低共熔温度与实验测定温度较为吻合，其相对误差为0 . 51 ，这将为快速获取多元体系的相变材料提供预测方法。 - There are still knowledge gaps between fabrication and properties of nano - and microencapsulated phase change materials . the present research has investigated improving their thermal stability and preventing them from super - cooling in order to fabricate micropcms and nanopcms with higher performances . micropcms and nanopcms were synthesized by encapsulating n - octadecane and the other components within the melamine - formaldehyde ( abbr
本项研究以三聚氰胺树脂为囊壁，正十八烷为囊芯，通过原位聚合法制备相变材料微胶囊以及纳胶囊，并通过sem 、 dsc 、 tg - dta 、 xrd 、 ftir 、 gc等分析测试手段对这些胶囊性能进行了系统研究和分析。
