醚的

As superplasticizer , a series of comb-shaped copolymers of polycarboxylic acid were synthesized by polyoxyethylene allyl methyl diether, maleic anhydride, and styrene with different initiators,and esterified with PEO-n.

以聚氧乙烯甲基烯丙基二醚、顺丁烯二酸酐、苯乙烯等为共聚单体，采用不同引发剂，合成了一系列聚羧酸型梳状共聚物超分散剂，并以PEO n单酯化得酯化产物，研究了共聚物的结构、组成、添加量等对水泥粒子分散性能的影响。

Two modified cotton stalk cellulose derivatives (CEN 1, CEN 2) were prepared by re action of epoxy activated cotton stalk cellulose powder with diethylenetriamine or triethylene tetramine , respectively.

我们近期研究［6，7］表明，由农业废弃物棉杆纤维制得的含氮纤维素醚衍生物对有毒的金属离子，尤其是对Hg2＋、Cd2＋、Cr3＋、Pb2＋。

Secondly, the syntheses of functionalized macrocyclic polyamine complexes containing nucleobases, PNA monomer, imidazolium side, crown ether, ferrocenyl side and their interaction with DNA were studies, respectively.

在功能化大环多胺方面，我们合成了含有碱基、PNA单体、咪唑鎓盐、冠醚、二茂铁等功能化基团的大环多胺衍生物及金属配合物，并研究了其与DNA的相互作用。

Three years of field experiments indicated that ZJ0712 has excellent efficacy in controlling cucumber powdery mildew and grape downy mildew.

3年多的田间试验结果表明，10%苯醚菌酯SC对黄瓜白粉病和葡萄霜霉病具有非常优异的防效。

Electronic and electrical equipment,Polybrominated diphenyl ether, Geen product design

多溴联苯醚广泛用作EEE中塑料件的阻燃剂，其消耗量随着电子电气行业的高速发展而不断增加，据统计仅在2001年内，世界P

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。

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。

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。

Then we detected the quantity of 5-HT and 5-HIAA in colon,serum and hippocampus by high-pressure liquid method, detected the quantity of 5-HT in amygdale and hypothalamus by immunohistochemistry method.

蜘蛛香环烯醚萜各组均可明显降低结肠中5-HT的含量(P.05)，24.92mg/kg组和6.23mg/kg可显著降低5-HT/5-HIAA比值(P.05)，24.92mg/kg可明显降低结肠中5-HIAA的含量(P.05)。

Then we detected the quantity of 5-HT and 5-HIAA in colon,serum and hippocampus by high-pressure liquid method, detected the quantity of 5-HT in amygdale and hypothalamus by immunohistochemistry method.

蜘蛛香环烯醚萜各组均可明显降低结肠中5-HT的含量(P.05)，24.92mg/kg组和6.23mg/kg可显著降低5-HT/5-HIA(来源：Abc6777BC论文网www.abclunwen.com)A比值(P.05)，24.92mg/kg可明显降低结肠中5-HIAA的含量(P.05)。

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。