采用X光电子能谱(XPS)及化学衍生法探讨了硝酸氧化前后的碳纤维表面化学的变化。
The surface chemistry of a high modulus and a low modulus carbon fiber, both before and after nitric acid oxidation, were studied by X-ray photoelectron spectroscopy (XPS) and chemical derivatization.
近年来许多研究人员将化学衍生法应用于高效液相色谱中，试图提高检测灵敏度和改善分离效果。
In recent years, many researchers have used chemical derivatization in HPLC in attempt to improve detection sensitivity and separation efficiency.
以化学衍生结合电喷雾电离质谱（ESI-MS/MS）法研究银莲花素A的质谱裂解方式。
The fragmentation pathway of raddeanin A was studied by electrospray ionization mass spectrometry(ESI-MS/MS) together with chemical derivatization.
本文用衍生物合成、降解反应、红外光谱、核磁共振谱及x -射线衍射晶体分析法研究了它的化学结构。
Its structure has been studied through a series of chemical synthesis, preparation of derivatives, degradations and IR analyses, and ultimately determined by X-ray diffraction.
应用电化学弱极化法和原子力显微镜（AFM）研究了咪唑啉衍生物类缓蚀剂在模拟深层气井水溶液中对碳钢的二氧化碳腐蚀的抑制效果和缓蚀作用机理。
The electrochemical method and atomic force microscope(AFM) were applied to study the inhibition mechanism of Im-D, an imidazoline derivate inhibitor, for mild steel in CO2 saturated solution.
通过对硫脲衍生物分子化学键的研究，发现了氧气法不仅适用于生产二苯胍，还适用于生产其他胍衍生物。
Oxidative methods to prepare not only 1,3-Diphenyl guanidine but also other guanidine derivants were introduced through studying chemical bonds of thiourea derivants in this paper.
化学计量法表明，所有的氨基酸均与环糊精衍生物形成了1：1的超分子体系。
The supramolecular system stoichiometry is 1:1 for all amino acid inclusion complexation with host compounds (1) and (3).
第一部分讨论了DL-蛋氨酸及其衍生物的化学合成，包括丙烯醛法、丙二酸酯法，氨基内酯法等，并着重介绍了海因法。
In the first part, chemical synthesis, including by acraldehyde, malonic ester, ami no lactone and others were discussed and synthesis by hydantoin was emphasized.
第一部分讨论了DL-蛋氨酸及其衍生物的化学合成，包括丙烯醛法、丙二酸酯法，氨基内酯法等，并着重介绍了海因法。
In the first part, chemical synthesis, including by acraldehyde, malonic ester, ami no lactone and others were discussed and synthesis by hydantoin was emphasized.
应用推荐