十六烷

Aluminum ; Acetone ; 2; 15-Hexadecanedion ; Computer simulation ; Aldol condensation

氧化铝；丙酮； 2； 15－十六烷二酮；计算机模拟；醛醇缩合

In order to study the aldol condensation of 2,15-hexadecanedione on the surface of aluminium, the intermolecular condensationmechanism of acetone occurring on aluminum was simulated by usingsemi-empirical AM1 method embodied in MOPAC 6.0 program package.

为了研究2，15-十六烷二酮在氧化铝表面的环合机理，选择小分子丙酮为模型化合物，用量子化学半经验AM1方法研究双分子丙酮在氧化铝表面的醛醇缩合机理。

In order to study the aldol condensation of 2.15-hexadecanedione on the surface of aluminium, the intermolecular condensation mechanism of acetone occurring on aluminum was simulated by using semi-empirical AM1 method embodied in MOPAC 6.0 program package. The optimized structures and geometry parameters of 5 transition complexes and 4 intermediates were given.First, 2 molecules of acetone coordinated with aluminum by electrostatic attraction.One atom of hydrogen of acetone migrated to aluminum because of t...

为了研究2，15－十六烷二酮在氧化铝表面的环合机理，选择小分子丙酮为模型化合物，用量子化学半经验AM1方法研究双分子丙酮在氧化铝表面的醛醇缩合机理，给出了反应过程中的5个过渡态和4个中间体的结构和几何参数，该催化反应可以认为是氧化铝分子与两分子丙酮分子发生静电络合作用，然后借助氧原子的负电荷导致脱氢并实现缩合，根据中间体的能量变化，推测有较稳定的铝复合物生成。

Then, through the steps of separation and purification, the values such as cetane index, flash point, kinematic viscosity, etc. finally reach the current standard of diesel fuel oil.

然后，透过几个步骤的分离和纯化，价值观，例如十六烷值指数，闪点，运动粘度等，最后达到目前标准的柴油燃油。

And kinematic viscosity at 30° C. is 2.0 mm 2 /s to 10.0 mm 2 /s, is obtained from waste edible oils such as rape seed oil, sesame oil, soybean oil, maize oil, sunflower oil, palm oil, palm kernel oil, coconut oil, corn oil, safflower oil.

本发明涉及一种方法生产的柴油燃油从废物中的食用油，其中一个所谓的蔬菜柴油燃油，其中十六烷值指数是45至70 ，闪点是80 ° C时，以210 ° C时和运动粘度在30 ° C时为2.0毫米2 /秒10.0毫米2 /秒，是从废物中得到的食用油，如菜籽油，芝麻油，豆油，玉米油，葵花籽油，棕榈油，棕榈仁油，椰子油，玉米油，红花籽油。

The high cetane number fuel can improve HC and NO x emissions.

研究结果表明，适当提高燃料十六烷值可有效降低HC和NOx排放。

It is allowed to used lower limit value if the cetane number of reference fuel is to be written into the report.

允许使用更低限值，只要基准燃油的十六烷值写入报告

The result showed that the low heat value,cetane number,viscosity of blends decreased as the content of ethanol increased in the blends.

实验结果表明：随着乙醇掺混比例的增加，混合燃料的低热值、十六烷值、粘度逐渐降低，混合燃料的低温蒸馏特性较强。

Physical and chemical properties including density, viscosity, surface tension, the flash point, cetane number, and the stability of the different contents of ethanol-diesel parameters were measured and analyzed. The experiments were performed using 0. 2%, 0.5%, 1%, 2%, 5% 10%, 15%, 20%, 25%, and 75% ethanol-diesel blends. At the same time, the influence of temperature on the blends properties was tested.

通过对不同比例（乙醇含量分别0.2%、0.5%、1%、2%、5%、10%、15%、20%、25%、75%）的混合燃料的密度、粘度、闪点、表面张力、十六烷值、稳定性和磨损性等理化性质的测试和研究，总结出了乙醇含量对混合燃料物性参数的影响规律，归纳出各种参数随温度变化的规律。

The yield of the diesel oil is higher than 80% by the method, and the cetane number will be as high as 80, The water produced by hydrofining process can be prevented to go into the isocracking reacktor by this method, the availability and using periodic can also be improved.

该方法柴油产品收率高于80重％，其十六烷值高达80，避免了加氢精制过程生成的水进入到异构裂化反应器中，改善催化剂的利用率和使用周期。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。