Methods The salt of (NH 4) 2[C 6H(NO 2) 3O 2] was prepared by mixing styphnic acid and aqueous ammonia.
目的 用单晶衍射分析方法测定斯蒂酚酸铵单晶结构； 方法 使斯蒂酚酸与２０％ 的氨水反应，生成斯蒂酚酸铵，并采用蒸发法制备单晶； 结果与结论 斯蒂酚酸铵晶体属单斜晶系，空间群为Ｐ２１／ｎ，晶体学数据为ａ＝ ０。
Study on Degradation of TNR in Detonating Explosive Wastewater Using Photocatalysis-membrane Filtration Integrated Process;
光催化-膜分离组合工艺降解斯蒂芬酸的研究
Exemplified by the North Depression of the Stephanian Cevennes coal basin on the Massif Central in France,this paper discusses the sedimentary dynamics and synsedimentary structures in relations to basin tectonism.
发育于法国Cevennes聚煤盆地北坳陷区斯蒂芬期 (Stephanian)同沉积断层在空间上局部控制了碎屑体及煤层的形态、厚度 ,且在时间上完成了构造反转。
Stevenson s Methodology of Ethics;
斯蒂文森的伦理学方法论
Robert Louis Stevenson: Characteristics of Scottish Essays;
斯蒂文森的苏格兰散文特点分析
Stevenson intended the novella as a challenge to the rigid and hypocritical morality of his age;however,the fact that Mr.
斯蒂文森借海德这朵“恶之花”,揭露了杰基尔这个“社会精英”的伪善本质,批判了维多利亚道德话语的压抑性和虚伪性。