要性，鼓励学生们进行自评和互评。例如，在学习完“酸和碱”这部分内容之后，可以让学生们对本章内容进行整理和归纳，比如常见的酸有盐酸、硝酸和碳酸等和酸和碱互相交换成分，生成盐和水的反应...

北京理工大学珠海学院16届本科生毕业论文Development of a-galactosidase producing strainAbstracta -Galactosidase (EC 3.2.1.22),is one kind of enzyme that hydrolyze non-reducingtermina...

ABSTRACTABSTRACTThe deconvolution of seismic data and impedance inversion are keytechnologies to improve the resolution,reservoir prediction and discrimination.Impedance is the phy...

昆明理工大学设计（论文）专用纸单层Cu2Se/TMD异质结的原子结构和量子物性的理论研究摘要基于第一性原理计算，本文构建了单层Cu2Se/TMD(包括H-NbSe2、T-NiTe2)异质结模型并进行模拟计算，通过研...

华侨大学硕士学位论文：聚合物位相光栅参量快速测量方法研究关键词：聚合物位相光栅：激光衍射；光栅参数；快速测量；热压印技术

AbstractIn this paper,the effects of different lignin-based modified products on thescavenging capacity,molecular weight and thermogravimetric (TG)of PP as antioxidantadditives wer...

AbstractSewage treatment stations to deal with the odor generated by sewage,thisproblem has now become a major environmental problem to be solved in China.Hydrogen sulfide and ammo...

浙江工业大学硕士学位论文物理性质：2,3,5,6-四氯吡啶为白色或淡黄色粉末或结晶体，熔点为90-91℃，沸点为251-252℃。溶解性：微溶于水，易溶于乙醇、异丙醇、二氯甲烷、四氯化碳、乙酸乙酯、乙...

Design of Ethylene Distillation Tower Condenser for 300,000 TonsYear Ethylene PlantAbstractEthylene industry is the core of the petrochemical industry,ethylene productionis a measu...

聚而成的，形貌不规则。制备出的磷酸铁锂是橄榄石结构的磷酸铁锂，物相均一。以硫酸亚铁为铁源时合成的磷酸铁粒径较小，表面较光滑，结构疏松，密度较小，颗粒大小在13m之间，且随着反应温度的...