苯基的

The alkali lignin-based rigid polyurethane foam was prepared with alkali lignin extracted from black liquor as raw materials to replace 10%~25% amount of polyether polyols and polymethylene polyphenyl isocyanate.

以造纸黑液中提取的碱木质素为原料，代替10~25的聚醚多元醇与多亚甲基多苯基多异氰酸酯合成了碱木质素基硬质聚氨酯泡沫。

The method to determine the primary amino content in the polymethylene polyphenyl polyamine through the quantitative diazo reaction of primary amino and nitrous acid was researched.

研究了利用伯胺基与亚硝酸定量发生重氮化反应测定多苯基多次甲基多胺中伯胺基含量的方法，确定了最佳测定工艺条件，其分析结果的最大相对误差及相对平均偏差在0。

MNDO calculations and group theory were carried out on tetraphenyl porphyrine to obtain its optimum molecular geometry.

运用MNDO计算和群论，优化得到了较满意的中位取代四苯基卟啉(H2TPP)的分子构型。

The first part of the research focused on the influence of POSS to the mechanic capability of polysilicone resin matrix.

以三硅醇苯基倍半硅氧烷(TriSilanolPhenyl-POSS)为代表，研究了POSS对有机硅树脂基复合材料的在室温和高温下的力学性能。

Improved synthesis of 2-(4-bromomethylphenyl)propionic acid,the key intermediate for loxoprofen sodium,was investigated.

对洛索洛芬钠的关键中间体2-(4-溴甲基苯基)丙酸的合成工艺进行了改进研究。

Aim To investigate a new synthetic method of 2-(4-bromomethylpheny1)propionic acid,the key intermediate of loxoprofen sodium.

摘要目的研究消炎镇痛药洛索洛芬钠的关键中间体2-4-溴甲基）苯基丙酸的合成新方法。

Results and conclusion The structure of 2-(4-bromomethylphenyl) propionic acid was identified by 1H-NMR, FT-IR and MS analysis. The target compound was prepared in an overall yield of 38%.

结果与结论关键中间体2-（4-溴甲基）苯基丙酸的结构经1H-NMR、FT-IR、MS谱确证，目标化合物的总收率为38%。

Results and conclusion The structure of 2-(4-bromomethylpheny1)propionic acid was identified by1H-NMR, FT-IR and MS analysis. The target compound was prepared in an overall yield of 38%.

结果与结论关键中间体2-4-溴甲基）苯基丙酸的结构经1H-NMR、FT-IR、MS谱确证，目标化合物的总收率为38%。

A new corrosion inhibitor and Universal antibacterial reagent, namely, the copolymer of N-isopro-pylacrylamide and N-allyl-1-benzoyl-3-phenyl-4,5-dihydro-4-formamido pyrazole was prepared.

合成了一种新的腐蚀抑制及广谱抑菌剂：N-异丙基丙烯酰胺与N-烯丙基-1-苯甲酰基-3-苯基-4，5-2H-4甲酰胺基吡唑的共聚物PNIPAM-Co-PBPCP。

In order to find new pyrazole leading compounds, 14 1--4-(pyrazol- 5-ylcarbony)semicarbazide devivatives were synthesized from 4-chloro-3-ethyl-1-methyl-5-pyrazole car-bonydrazide and substituted phenylisocyanate.

为了寻求新的吡唑先导化合物，用4-氯-1-甲基-3-乙基-5-吡唑甲酰肼与取代苯基异氰酸酯反应得到了14个新的1-吡唑酰基-4-芳基氨基脲类化合物。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。