The relative molecular mass of lanolin is 778 by the method of VPO.
采用VPO法测定羊毛脂的数均相对分子质量为778。
The VPO average molecular weight of vacuum residues and asphaltenes all decreased.
减压渣油和正庚烷沥青质的VPO平均相对分子质量都减小了。
With VPO, NMR, IR, the number average molecular of polyether and sulfonation degree of sulfonated polyether were characterized.
通过VPO，NMR，IR测试了聚醚预聚体的分子量，磺酸聚醚的磺化度。
The relative errors of the molecular weights determined by cryoscopy are less than 10% as compared with those determined by VPO method.
与蒸汽压渗长期透法（VPO）相比，测定分子量数据的相对误差小于10％。
VPO catalysts were prepared by Four methods. BET and XRD techniques were used to investigate the surface area and phase composition of VPO catalysts.
采用BET、XRD等测试手段，考察了由四种不同方法和条件下制备的VPO催化剂的比表面积和晶体结构。
In order to study the performance of VPO laminated structure, intercalation was carried on with the organic alkylamine and the metal complexes as the guest species respectively.
为研究VPO前驱体层状结构的插层组装性能，分别以烷基胺和金属配合物作为客体进行插层反应。
Studies on the regeneration of vanadium phosphorous oxides (VPO) catalyst for selective oxidation of propane to acrylic acid and acetic acid has been carried out using a pulse reactor.
采用脉冲反应器，研究了VPO催化剂的再生性质及其对晶格氧选择氧化丙烷制丙烯酸和乙酸的影响。
Studies on the regeneration of vanadium phosphorous oxides (VPO) catalyst for selective oxidation of propane to acrylic acid and acetic acid has been carried out using a pulse reactor.
采用脉冲反应器，研究了VPO催化剂的再生性质及其对晶格氧选择氧化丙烷制丙烯酸和乙酸的影响。
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