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- chemical pretreatment effluent 化学预处理废液
- The methods could be divided into physical pretreatment methods, chemical pretreatment methods and interlayers method according to their principles. 按其原理来分，预处理方法可分为物理预处理法、化学预处理法以及中间层法。
- So it is practical to degrade the lipids of wool surface with the lipase instead of chemical pretreatment agent. 用生物酶代替化学前处理剂进行鳞片表面类脂物的去除是可行的。
- Experiments were made to determine about technological process of chemical pretreatment, phosphatization liquid and technical condition. 通过优化实验,确定了化学预处理的工艺流程、磷化液组成及工艺条件。
- The chemical pretreatment of phosphogypsum with a lime milk solution as a neutralizer, which is often recommended in literature, was not so ideal as the former. 石灰溶液中和法虽是常推荐使用的磷石膏预处理方法，但与柠檬酸溶液预处理法相比，石灰中和磷石膏作缓凝剂的效果并不理想。
- The experimental results showed that the proposed method had the advantages of simplicity,rapidity,reliability without the needof chemical pretreatment. 结果表明,本法具有简便、快速、可靠、不需要化学预处理等特点。
- The results showed that during the chemical pretreatment the guaiacyl unit was more readily to be sulfonated and dissolved, and there were new conjugated carbonyl and quinoid structure formed. 结果表明，预处理过程中愈创木基易于磺化和溶出，木素中有新的共轭羰基和醌型结构产生。
- The chemical companies are poisoning our rivers with effluent. 这些化学公司排出废水污染著我们的河流。
- physical - chemical pretreatment 物化预处理
- Performance study of natural fibre after physical and chemic pretreatment 天然纤维深化处理后物化性能的研究
- Keywords eucalyptus europhylla;brightness;APMP;chemical pretreatment; 尾叶桉;APMP;纸浆白度;化学预处理;
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Some chemical compounds can be resolved by heat. 一些化学化合物可以通过加热分解。
