Estimation of herbage intake and digestibility of grazing animal using the n-alkanes technique;
链烷技术估测放牧动物牧草采食量与消化率
Method of SPE-GC/FID was adopted to quantitatively analyze the contamination degree and pollution characteristics of n-alkane in 10 groundwater samples collected from typical wastewater irrigation area around Shenyang city, Liaoning Province.
采用固相萃取-气相色谱/氢火焰检测器(SPE-GC/FID)方法,研究了沈阳周边典型污灌区10个地下水样品中直链烷烃的污染特征及分布规律。
The degradation ability and uptake modes of Long-chain alkane-degrading bacteria were investigated.
对长链烷烃降解菌的降解能力和摄取模式进行了研究。
An immiscible hydrocarbon(long-chain alkyl) dispersed in water as agglomeration reagent is added in paper pulp.
研究了混合办公废纸脱墨的选择性凝聚技术,在废纸浆中添加分散在水中并不与水相溶的长链烷作凝聚剂,这些凝聚剂选择性地将印刷墨粉通过液桥连结在一起,且形成大颗粒的球形聚团,再分选脱除。
Separation and determination of alkane and cycloparaffinic hydrocarbon in heavy oil by combining ultrasonic wave with the adductions of urea and thiourea;
超声包合法分离测定重质油中链烷烃和环烷烃
Harmonic topological researches of thermodynamic properties for alkanes;
链烷烃热力学性质的调和拓扑研究
A study of correlation between the physical-chemical properties and molecular molar mass of alkanes;
分子摩尔质量与链烷烃物理化学性质的相关性研究
The result showed that the impurities in crude phytosterols from soybean oil deodorizer distillate and rapeseed oil deodorizer distillate were long chain alkane and wax, respectively.
以菜籽油脱臭馏出物生产的甾醇粗制品中,杂质主要是长链烷烃,易采用正己烷进行重结晶精制,精制甾醇的纯度也可达96%以上。
The characteristics of difunctional modified polysiloxane,such as amido and polyether modified polysiloxane,amido and amid modified polysiloxane,amido and long chain alkane modified polysiloxane,epoxy and polyether modified polysiloxane,carboxy and long chain alkane modified polysiloxane were introduced,their synthesis process,application were described,and their prospects were predicted.
介绍了氨基和聚醚改性聚硅氧烷、氨基和酰氨基改性聚硅氧烷、氨基和长链烷烃改性聚硅氧烷、环氧基和聚醚改性聚硅氧烷及羧基和长链烷烃改性聚硅氧烷等双官能基改性聚有机硅氧烷的特性 ,简述了合成过程及应用工艺 ,并对其前景进行了预测。
STM observation shows that long chain alkanes increase the adsorption stability of organic molecules.
STM实验发现长链烷烃分子能够改善多种有机分子的吸附性能,本文利用CVFF力场对长链烷烃与石墨吸附体系进行了分子力学模拟,用半经验ZINDO/1,AM1方法对烷基取代酞菁和卟啉的STM形貌反差机制进行了研究。