chemica相关论文
目的 探讨食管化学烧伤后狭窄的外科治疗经验及横结肠代食管重建手术的应用价值.方法 137例食管化学烧伤后狭窄的患者中112例采用......
【训练题一】 请结合所给图片呈现的现象进行分析并提出合理建议，以“Clean the river and the air”为题，写一篇120词左右的英语......
The molecular geometries and dissociation energies of AnO(An = Bk-Lr)molecules were first obtained at the coupled-cluste......
纳滤膜广泛应用于水处理领域,但其分离特性在膜片的长期运行过程中易受到pH的影响,导致水通量增加和盐截留率降低,因此提高纳滤膜......
目的 总结近几年来泡型肝包虫病的临床治疗方法,为指导临床实践提供新的依据.方法 通过查阅国内外有关泡型肝包虫病治疗方法的相关......
以丁羟推进剂为例,从其氧化剂、黏合剂、化学功能组分等化学组分和碳碳双键、羟基、环氧基、分子质量等结构特征的变化,以及这些变......
Pilot study on treatment of low turbidity and low temperature water by coagulation-immersed membrane
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Synthesis and Characterization of Fluorinated Polyurethane Containing Carborane in the Main Chain: T
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探索花生壳作为活性炭在商业上的应用前景，采用物理活化法和化学活化法研究了以花生壳为原料制备活性炭的工艺参数，比较了水蒸气、......
首先采用Stber方法制备了一系列亚微米级单分散二氧化硅小球,而后通过垂直沉降自组装方法制备了颜色鲜艳的二氧化硅三维有序结构......
目的采用UPLC/Q-TOF-MS技术快速分析和鉴定瑶药别旁茶的化学成分。方法采用AQUITY UPLC/Q-TOF micro联用仪,以0.1%(体积分数,下同)......
Pilot study on treatment of low turbidity and low temperature water by coagulation-immersed membrane
The objective of this paper was to investigate the practicability of coagulation-immersed membrane process during low-te......
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目的研究N-[^11C]甲基-N-（1-甲基丙基）-1-（2-氯苯基）异喹啉-3-氨甲酰（^11C—PK11195）在国内现有合成模块上的自动化合成程序及其在小鼠体......
Study of the electrochemical properties of a transition metallic ions modified electrode in acidic V
Graphite material was used as the electrode for an all-vanadium redox flow battery, and the electrode was modified by tr......
