查询词典 bio-diesel

However,the addi-tion of bio-regulator in medium ferme ntation stage could optimize the fermentation performance.

通过在发酵中期加入生物调节剂，可优化发酵性能。

The paper is a survey of fermentative bio-hydrogen production process, followed by its new approaches in the future development.

本文主要介绍了厌氧发酵生物制氢技术的方法和机理，分析了生物制氢的可行性，结合国内外研究现状提出了未来的发展方向。

The factors and characteristics of bulking sludge are discussed on the characteristics of filamentous and bio-flocculate.

从丝状菌和絮凝菌的生长特性方面对活性污泥膨胀的特性及影响因素进行了分析研究，详细论述和分析了各种活性污泥膨胀控制措施。

The results show that ∑ PAH16 contents in source separation household bio-organic waste and composting production is 2,19 and 1.96 mg/kg DM, and the contents of naphthalene, fluorene, phenanthrene, fluoranthene are relatively higher than others.

结果表明，源分类家庭生物有机垃圾及其堆肥产品中∑PAH16化合物含量分别为2.19和1.96mg/kg，其中萘、芴、菲、荧蒽含量相对较高，占总量的79.76%和81.76%，这4种有机物的苯环在2-3之间，属于易降解非致癌物质，在农田施用中易被降解；在生物垃圾堆肥过程中∑PAH16的生物降解率为25.88%，堆肥后产品PAHs含量符合农田使用标准。

Secondly, the thesis points out the most significant reasons to develop the foresty bio-energy industry: energy supply and demand and the enviroment pollution in China.

其次，本文指出我国发展林木生物质能源最根本的两条原因：国内能源供需状况和环境污染状况。

Song-hua river is one of the serious rivers in China polluted by organic materials,the main environmental trouble in Song-hua river is bio-pollution frim organic toxicant.

松花江是中国有机污染危害严重的河流之一。松花江的主要环境问题是有机毒物造成的生态污染危害。

The method is illustrated through a study on a set of fluorine -containing pesticides for anti- gibberella. With the constraints of the pharmacophore obtained by DISCO, 53 virtual bio-active structures were generated, and their anti-gibberella activities were predicted by CoMFA.

采用这种方法对抗小麦赤霉病类含氟农药进行了研究，共生成了53个虚拟活性结构，通过3D-QSAR模型筛选出其中10个活性较高的结构，在活性最高的化合物基础上进行了结构修饰，得到了活性更高且毒性较低的理想化合物。

Cluster analysis showed that Gracilaria conferuoides was the strongest one capable of bio-accumulation, and can be selected to treat heavy-metal polluted waters.

聚类分析结果显示细江篱的富集能力最强，是多种重金属污染海域修复的首选生态环境材料。

Polylactic acid, a kind of aliphatic polyester, is a bio de gradable polymer with outstanding biocompatibility.

聚乳酸是一种具有良好生物相容性的聚酯类可生物降解材料，近年来在医学领域的应用日益受到重视。

Said film can be substituted for non gradable plastic film used in the place where the requirement of bio-degradability is very high, such as ground film, planting film and bag for raising seedlings.

该膜可取代非降解性塑料膜用于生物可降解性要求很高的场合，如地膜、植种膜、育苗袋等。

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。