醚的

The nano-β-FeOOH for precursor of γ-Fe2O3 was synthesized by microemulsion method, then the β-FeOOH was calcined by mixing with additive polyoxyethylene nonyl phenyl ether (NP-4) in the molar ratio of β-FeOOH/NP-4 as 4, 5 and 100 respectively.

采用微乳法合成出氧化铁的前驱体－纳米β-FeOOH，分别以β-FeOOH与添加剂壬基酚聚氧乙烯醚(NP-4)以物质量的比为4， 5， 100添加NP-4，混合锻烧。

Microemulsion templates formed by sodium dodecyl sulfate, cetyltrimethyla-mmonium bromide and nonyl phenol polyethyleneoxy ether (Oπ-10),respectively,were used to fabricate CaWO4 nanoparticles with different morphology. The possible reactionmechanism was proposed and explained.

然后，分别利用十六烷基三甲基溴化胺、十二烷基硫酸钠、壬基-酚基-聚乙氧基醚(Oπ-10)形成的微乳液模板合成了具有多种形貌的CaWO4纳米粒子，并对其反应机理提出推测和解释。

In this article, different soft templates formed by sodium bis (2-ethylhexyl) sulf-osuccinate, nonyl phenol polyethyleneoxy ether (Oπ-10) and cetyltrimethyla- mmonium bromide were used to fabricate CaCO3, BaCO3 and CeO2/CuO nanoparticles with different morphology.

本文分别利用丁二酸二(2-乙基己基)酯磺酸钠、壬基-酚基-聚乙氧基醚（Op-10）和十六烷基三甲基溴化胺形成的不同软模板合成了具有不同形貌的CaCO3， BaCO3和CeO2/CuO纳米粒子。

With the combination of heat pipe technology and catalytic reactor,a novel-style ophidian loop heat pipe chemical reactor was established,by which an industrial sidetrack experiment with methyl tert-butyl ether synthesis was carried out.

将热管技术与催化反应器结合，构建了蛇形回路热管反应器。利用该反应器，进行了轻烃醚化工业侧线试验，考察了进料温度、液相体积空速、冷却水流量、进料浓度对反应结果的影响；测定了催化床层的轴向温度分布。

Previous investigations have shown that halothane preservescardiac parasympathetic activity more than sevoflurane.

过去的研究显示氟烷比七氟醚更多保护心脏的副交感活性。

The herbicidal activities of four solvent extracts from Xanthium sibiricum Patrin were tested by method of seed germination for Sorghum vulgare Pers.

4种作物种子为供试材料，用种子萌发法测定了苍耳全株的石油醚、乙酸乙酯、丙酮和苯4种溶剂提取物的除草活性。

Effects of isoflurane, pentobarbital, and urethane on apoptosis and apoptotic signal transduction in rat kidney

异氟醚，苯巴比妥和乌拉坦对大鼠肾脏的凋亡和凋亡性信号转导的影响

What effect did this have on the development of PES 2010?

有什么影响这对2010年的聚醚砜的发展？

After further training solution to the petroleum ether extraction of oil residue collection, and Determination of the degradation rate.

再将培养后的溶液以石油醚萃取法收集残留的石油，用紫外分光光度法测定其降解率。

Furthermore,inhibition effect of petroleum ether phase was stronger than the other different extract component from ethanol extracts.

在乙醇提取物不同的萃取组分中，石油醚部分的抑菌活性最强。

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。