二十二烷

The changes of interfacial viscoelasticity along with measuring time and the effect of partially hydrolyzed polyacrylamide concentration and type viscoelasticity at the interface between PHPAM and dodecane were investigated by means of dilational method.

借助界面扩张流变测量方法，研究了聚合物与正十二烷形成的界面膜特征。

Methods An SE-30 capillary column (30 m × 0.25 mm × 0.25 μm) and a flame ionization detector were used when n dodecane was used as the internal standard.

采用 SE 30 (30 m×0.25 mm×0.25 μm)石英毛细管色谱柱，以正十二烷为内标，进样口温度210 ℃，检测器温度300 ℃的气相色谱测定百秋李醇含量。

Impregnated by Pd, the Si/Al 0.33 sample with enhanced neighboring region has the highest n- dodecane hydroisomerization conversion and selectivity.

样品担载Pd后对正十二烷的加氢异构化反应表明，交界区扩大的Si/Al = 0.33的样品有最高的加氢异构化得率和选择性。

Self-assembly of PEO-b-PB (M〓of PEO=5100 g/mol and M〓 of PB=5100 g/mol) and poly (PAA, M〓=2000 g/mol) was obtained in THF/dodecane mixtures via PEO/PAA complex. The effect of ratio of PEO-b-PB: PAA was investigated.

通过PEO-b-PB（PEO和PB分子量均为5100g／mol）中PEO链段和聚丙烯酸（PAA，分子量为2000g／mol）的氢键相互作用，我们在THF／正十二烷混合溶剂中获得了PEO-b-PB／PAA的自组装体，并研究了PAA用量对自组装行为的影响。

The extraction equilibrium constants of Nd , Eu , Am in the system of seven monoacidic organophosphorus compounds dodecane 1. 0mol/l NO〓are reported. The dependency of the extractability on the PO〓function group、bonding charactor、metallic ion species and the structure of substitute has been examined.

给出了七个烷基磷酸的正十二烷熔液从1.0mol／lNO〓水溶液中萃取Nd、Eu、Am的平衡分配常数Kex，考察了萃取剂PO〓官能团、萃合物成键特性、金属离子及取代基结构与萃取性能间的关系，发现了：（1）可运用取代基自由能加和模型预测辛基膦酸辛基酯对La、Eu、Nd、Am等三价离子的平衡分配数据。

The results suggest that there are significant fatty acid and amino acid metabolism changes in NASH. Excessive fatty acids accumulation in hepatic cells、ω-6/ω-3 ratio imbalance, dodecanoic acid decreased, and some amino acids contents changes are related to hepatic inflammation and injury.

结果提示NASH大鼠肝组织存在明显的脂肪酸谱和氨基酸谱变化，肝细胞内各类脂肪酸聚积、ω-6：ω-3PUFAs比率失衡、正十二烷酸降低以及某些氨基酸含量变化等可能对脂肪肝炎症发生、肝损伤有重要作用。

The influence of solvent/oil ratio, thinner content and temperature on desulfurization and the distribution coefficient by extraction of a model system for diesel oil with special attention to the solvent furfuryl alcohol was investigated.

以康醇为萃取剂，在正十六烷中加入少量二苯并噻吩构成柴油模拟体系，考察了单级萃取中稀释剂含量、剂油比、温度对脱硫率和分配系数的影响。

The influence of solvent/oil ratio, thinner content and temperature on desulfurization and the distribution coefficient by extraction of a model system for diesel oil with special attention to the solvent furfuryl alcohol was investigated.

以康醇为萃取剂，在正十六烷中加入少量二苯并噻吩构成柴油模拟体系，考察了单级萃取中稀释荆含量、剂油比、温度对脱硫率和分配系数的影响。

In this paper, di-isobutyl oxalate was prepared from oxalic acid and isobutyl alcohol using NaHSO_4 and p-toluenesulfonic acid as catalysts.

以草酸和异丁醇为原料，在酸性催化剂作用下进行酯化反应合成出一种新型柴油十六烷值改进剂——草酸二异丁酯。

The performance of the WD-10 and its main component dodecaalkyl trimethoxysilane were introduced in this article,and the application in the surface protection of the lithoid cultural relic was also brief described.

本文介绍WD - 10及其主体成分十二烷基三甲氧基硅烷的性能，并介绍了在石质文物表面封护中的应

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。