查询词典 ether

Alkyl diphenyl ether disulfonate is a serie of anionic surfactants with many functions. It has two hydrophilic head groups and different from conventional surfactants.

烷基二苯醚二磺酸钠是一类在结构和性能上有别于传统表面活性剂的多功能性双亲水基型阴离子表面活性剂，具有卓越的表面化学性能及应用性能。

Alkyl diphenyl ether sodium disulfonateis a kind of multifunctional anionic surfactants with double hydrophilic groups.

烷基二苯醚双磺酸钠是一类当前备受瞩目的新型多功能双亲水基型阴离子表面活性剂。

The preparation and application of reactive antibacterial agents, such as silicone quaternary ammonium salt, halogenated hydroxy diphenyl ether, chitosan, halamine and other kinds, etc, were introduced in detail based on the art and development trend both here and abroad.

文章针对现有反应性抗菌整理剂的国内外发展现状和趋势，详细介绍了有机硅季铵盐、卤代羟基二苯醚、壳聚糖、卤胺及其他类等反应性抗菌整理剂的制备过程和应用情况，并对其应用前景作了展望。

Low density polyethylene ; thermally induced phase separation ; microporous membrane ; diphenyl ether ; kinetics ; coarsening ; pore size

低密度聚乙烯；热诱导相分离；微孔膜；二苯醚；动力学；粗化；孔径

Not only lead, but cadium, mercury, hexavalent chromium, polybrominated biphenyl, and polybrominated diphenyl ether flame retardants are limited as well.

不仅带领，但是cadium、水银、六价的铬、多溴化的联苯和多溴化的二苯基以太火焰阻化剂被限制。

These directives limit the use of six hazardous materials in the manufacture of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium (chromium VI or Cr6+), polybrominated biphenyls, and polybrominated diphenyl ether.

这些标准限制了6种有毒材料在电子电气设备生产中的应用：铅，汞，镉，六价铬(chromium VI 或 Cr6+)，多溴联苯，多溴联苯醚等。

Restriction on the Use of Hazardous Substances bans new electronics containing more than agreed-to levels of lead, cadmium, mercury, hexavalent chromium, and polybrominated biphenyl as well as polybrominated diphenyl ether flame retardants.

在关于有毒物质使用的欧洲联邦法律限制新型电子设备中含有超标的铅、镉、汞、六价铬和多溴化联苯、多溴化二苯醚阻燃剂。

A New type of benzoxzine precursors was systhesized based on methoxy methylene diphenyl ether oligomer.The struture of product was characterized by IR and H-NMR analysis and effects of solvent polarity,temperature on the precursor composition were investigated.

以甲氧基次甲基二苯醚低聚物为基础合成了苯并口恶嗪预聚物，用H－NMR、IR表征了该预聚物的结构，讨论了反应温度、溶剂的极性等因素对合成预聚物的结构和组成的影响。

In this paper, serum thyroid hormones level of the adult rats exposed to decabrominated diphenyl ether（BDE-209） at different doses was determined and the influence of BDE-209 to thyroid hormones was studied preliminarily. The dose dependent relationships between THs and BDE-209 concentrations were studied.

论文建立了十溴联苯醚（BDE-209）暴露剂量的成年大鼠模型，测定了不同暴露剂量的实验动物血清甲状腺激素（Thyroid hormones，THs）水平，初步研究了PBDEs污染物对生物体甲状腺激素的影响。

A water molecular gel can be formed by the aggregation and self- assembly of gelator 4,4-bissteaiylarnide diphenyl ether at very low concentration. The microcosmic morphology, thin fiber-like structure, was observed from atomic force microscope and TEM of the gels.

通过原子力显微镜以及透射电子显微镜对水分子凝胶的微观形态进行了表征，表明凝胶因子可以在水中聚集、自组装成延伸的螺旋缠绕细纤维结构，并且得出了纤维束的平均直径在100nm左右，平均孔径在100nm左右。

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。