酸化剂

The latter is hydrolyzed in the acidic conditions, then the recovered copolymer of EO and glycidol with multi pending hydroxymethyls is esterified with 2-bromoisobutyrylbromide to produce the ATRP macroinitiator with multi pending bromoisobutyryl groups .

共聚物poly的羟基与2-溴异丁酰溴进行酯化反应，得到侧链挂有2-溴异丁酸酯基结构的可以用于原子转移自由基聚合体系的大分子引发剂Poly_

A suspension of carbon nanotubes as a nanofluids was prepared by dispersing carbon nanotubes into deionized water. The effects of several typical kinds of surfactants such as sodium dodecyl benzene sulfonate, hexadecyl trimethyl ammonium bromide and emulsifying agent OP on the stability of the nanofluid were studied by stationary and centrifugal tests with sample morphologies characterized by SEM and TEM.

在水中加入碳纳米管制备了含碳纳米管悬浮液，研究了几种典型类型的表面活性剂：十二烷基苯磺酸钠、十六烷基三甲基溴化铵及乳化剂OP对纳米流体稳定性的影响，通过静置和离心分离等手段研究了其稳定性，并采用扫描电子显微镜和透射电子显微镜对样品的形貌进行了表征。

In searching for novel and high active fungicides with pyridyl moiety, with Dimethomorph as a model compound and isonicotinic acid as the main starting material, twenty-seven title compounds were designed and synthesized through chlorination, Friedel-Crafts acylation, Wittig-Horner reaction and other steps. All the target structures were confirmed via 1H NMR and elementary analysis.

为了寻找具有高活性的含吡啶杂环杀菌剂，以烯酸吗啉为模板化合物，以异烟酸为起始原料，通过卤代反应、Friedel-Crafts酰基化反应、Wittig-Homer反应等，将吡啶－4-基或2-氯吡啶－4-基引入到模板结构中，设计合成了27个4-［3-（吡啶－4-基）－3-取代苯基丙烯酰］吗啉类化合物，其结构通过1H NMR和元素分析确证。

The hybrid mesoporous materials, PW11/SBA-15, were synthesized using tetraethoxysilane and lacunary polyoxometalate Na7PW11O39 (PW11) by a co-condensation approach in the presence of triblock copolymer EO20PO70EO20 (P123) as a template.

采用三嵌段共聚物EO20PO20(P123)为模板剂，正硅酸乙酯和缺位Keggin型多金属氧酸盐Na7PW11O39(PW11)为无机前驱体，由共缩合法一步合成了PW11/SBA-15介孔杂化材料。

Soil conditioning agent; utilization of black liquor; modified lignin; aluminum toxicity; ligand; sulfonated lignin; alkaline -oxygen treated lignin; gel filtration chromatography; muconic structure.

农业科技，农业基础科学，土壤学土壤改良剂；黑液利用；改性木素；磺化木素；氧碱处理木素；铝毒；螯合剂；凝胶过滤色谱；己二烯二酸结构

Dioctyl sebacate ; Nonacid catalyst ; Plasticizer ; Esterification.

癸二酸二辛酯；增塑剂；酯化；非酸性催化剂

Taking N205 as surfactant, sulfonic acid as carrier, liquid paraffine as membrane intensifier, kerosene as membrane solvent and hydrochloric acid as well as sodium chloride as aqueous internal phase.

研究了以N205为表面活性剂，磺酸基络合剂为流动载体，液体石蜡为膜增强剂，磺化煤油为膜溶剂，盐酸加氯化钠为内水相的乳状液膜在湿法磷酸体系中捕获镁离子时的稳定性。

The stability of LEM served in magnesium ion extraction under the circumstance of WPA is studied. Taking N205 as surfactant, sulfonic acid as carrier, liquid paraffine as membrane intensifier, kerosene as membrane solvent and hydrochloric acid as well as sodium chloride as aqueous internal phase.

研究了以N205为表面活性剂，磺酸基络合剂为流动载体，液体石蜡为膜增强剂，磺化煤油为膜溶剂，盐酸加氯化钠为内水相的乳状液膜在湿法磷酸体系中捕获镁离子时的稳定性。

When this hydroxamate-xanthate collectorsystem used to float another highly siliceous pelitic copper oxide ore,a copperconcentrate of 25% Cu can be obtained with recovery of 85% for free copper oxide.

自由氧化铜回收率≥85%，选择合适的调整剂及相应的流程结构更有利于羟肟酸-黄药&混合剂&在Cu-Fe共生难选养化矿浮选中发挥最佳效用，不仅可以得到品位达36%的优质铜精矿。

It can be used as dispersant in pour-cooling water if iron and steel plants, and also used together with organic phosphonate and zine salts in circulation cooling water with high hardness and high alkality.

用于钢铁厂淋洗的冷却水，防止氧化铁、化锌和泥沙沉积，以及用于高碱度循环冷却水中与有机膦酸盐、复配的阻垢缓蚀剂。

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。