生物柴油

A solid acid catalyst was developed for preparing biodiesel from cottonseed oil by transesterification with methanol.

研制出适用于棉籽油与甲醇发生酯交换反应制备生物柴油的固体酸催化剂。

In the production of biodiesel from cottonseed oil by chemical method, the refining process was improved by substituting adsorption treatment for washing and drying.

以棉籽油为原料，探讨了化学法制取生物柴油过程中以吸附剂处理替代水洗干燥的精制工艺。

The obtained catalyst was used to catalyze the transesterification of crude cottonseed oil to produce biodiesel.

以NaSiO39H2O为原料，通过高温锻烧、研磨、过筛等工艺制得硅酸钠固体催化剂，将其用于棉籽毛油的酯交换反应制备生物柴油。

The speech "Production of biological diesel oil—regulation and improvement of fat acid metabolism".

作了题为"生物柴油生产—脂肪酸代谢的调控和改良"的报告。

Fat and oil transforming into biodiesel process is consist of multi-step reactions which are reversible,and from triglyceride into diglyceride,into monoglyceride again,and into glycerol at last.

动植物油脂转化为生物柴油的过程是由多步可逆反应组成的。

In the late 20th century, however, the cost of petroleum distillate rose, and by the late 1970s there was renewed interest in biodiesel.

在二十世纪末期，然而，石油馏出物的成本上升，以及由70年代末出现了新的生物柴油的兴趣。

The effects of solvent,pH value of solution and distilling temperature on yield of pure glycerol are also discussed.

研究了生物柴油制备工艺条件的确定及其副产品粗甘油的分离与精制，对甘油精制中溶剂的选择、溶液的pH值和蒸馏温度对甘油得率的影响进行了研究。

However, total fats and oils used in biodiesel production declined from a downwardly revised 135,000 tonnes in May to 121,000 tonnes in June as animal fat usage fell from an estimated 69,400 tonnes in May to 49,400 tonnes in June.

然而，由于动物脂肪的用量从5月的6.94万吨降为6月的4.94万吨，导致用于生产生物柴油的动植物油的用量下降，从5月的13.5万吨降为6月的12.1万吨。

Despite the increase in soybean oil usage, total use of fats and oils in biodiesel production declined from a downwardly revised 135,000 tonnes in May to 121,000 tonnes in June as animal fat usage fell from an estimated 68,900 tonnes in May to 48,100 tonnes in June.

尽管豆油用量增加，但是生物柴油生产中的油脂总使用量却从五月份下调的13.5万吨随着动物脂肪用量从五月估计的6.89万吨降至六月的4.81万吨而进一步下降至六月份的12.1万吨。

The values of activity energy, integral adsorption heat and pre-exponential factor were obtained by the kinetic parameters estimated from the model.

动力学模型计算得到60℃时酯交换反应的生物柴油收率与实验结果之间的剩余标准差s为0.0196，表明模型可靠。

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。