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Results indicate that if the carbon doublebond and carbonylcompounds were added into the surfactant molecule,the emulsification properties such as emulsifiability foaming property and foam stability will improve a lot.

实验分析表明,在表面活性剂分子中加入双键和羰基,会使得由此制得的乳化剂的乳化力、起泡性与稳泡性等性能都有良好的改善。

After neutralized and decolored,a light-coloured biodegradable surfactant which has excellent hydrophilicity and emulsifiability,good osmosis and low-foaming can be obtained.

以大豆磷脂为原料,采用SO3 气相连续膜式磺化技术进行磺化反应,使磺化大豆磷脂HLB 值达12 ~16 ,再经中和、脱色等步骤制得色泽浅淡,具有优良亲水、乳化、渗透、低泡等性能的可生物降解的表面活性剂。

The conclusion was drawn by the synthesis of molecular sieve: after mixed soluble glass and aluminium sulfate with proper proportion under room temperature, it was stirred stormily to react. And then we mixed with potassium hydroxide solution after filtrating. At last, the molecular sieves of potassium type was synthesized after the mixture reacted in the oven or autoclave for 24 hours. The molecular sieve was remodeled more than twice with ammonium chloride solution that the concentration was 3mol/L and then remodeled twice with the saturated sodium chloride solution. Finally the molecular sieve was changed into the sodium type. It was named W zeolite.

通过对分子筛的合成得到:以泡花碱、硫酸铝为原料,以硅铝比按一定比例于室温下将二者混合,激烈搅拌,抽滤后与氢氧化钾溶液混合放于烘箱或高压釜中高温晶化24小时,晶化后的分子筛为钾型,先后用3mol/L氯化铵溶液和饱和食盐水各对其改型两次以上,最后改为钠型,可制得W型沸石分子筛。

Does this little iron stoup remind you of a certain Kong Yiji, who wearing his mandarin jacket, warms his wine with such an implement, and orders a small dish of beans to go with his wine.

这个小小的铁制泡酒壶是不是让你想起穿着马褂的孔乙已,用它暖壶酒,再要上一碟豆子,感觉一定会很惬意。

The influence of different processing methods to the content of harpagoside and cinnamic acid in Radix Crophalariae processed by different methods were determined by HPLC.

采用HPLC法对不同软化方法、微泡时间、蒸制时间的玄参进行测定,考察了不同炮制工艺对玄参中哈巴俄苷和肉桂酸含量的影响。

Molecular rearrangement reaction occurs during the foaming and post-treatment forming hexahydric imide ring. The prepared PMI foams have closed cell structure with the cell size ranging from 0.5mm to 0.7mm and have a good thermostability with the characteristic degradation temperature at about 221.5℃.

在发泡和热处理过程中分子链发生分子重排反应,生成六元酰亚胺环结构;PMI泡沫为闭孔泡沫塑料,泡孔平均孔径在0.5~0.7mm之间;制得的泡沫塑料热稳定性好,热分解温度在221.5℃左右。

Manufacture and sell the Biological Pharmacy equipment, pipe fittings, valve, valve set, pump, reduction gear unit, shoes, clothes, electric welding equipment, car parts, carbon steel, instructional instruments, oiling machine parts, oxygenerator, electric motor, studs, handicraft products, electronic instrument and equipment,car avigraph, photographic equipment, food machine, packing machinery, environment-friendly equipment, chemical eng

经营范围:生产销售制药设备,管件,阀门,阀门装置,泵,减速机,鞋,服装,电焊设备,汽车零配件,铸钢,教学仪器,加油机配件,制氧机,电机,泡钉,工艺品,电子仪器及设备,汽车导航仪,摄影设备,食品机械,包装机械,环保设备,化工机械,制药设备,计算机软件,硬件研究,开发,信息技术咨询,货物和技术的进出口。

The animal model of rabbit bullous keratopathy was established by anterior chamber injection with 0.05% benzalkonium bromide. The corneal thickness and corneal endothelial cell density were measured with ultrasonic corneal pachymeter and non-contact specular microscope separately before the animal models was established.

二、以0.05%的新洁尔灭溶液前房注射制作兔眼大泡性角膜病变的动物模型,制模前分别用角膜测厚仪和角膜内皮显微镜测量角膜厚度和角膜内皮细胞数目。

On the base of basic formula, it discussed effects of kinds and content of bubble nucleators on property of foaming materials, and observed and analyzed bubble structure.

在确定主要助剂最佳用量的基础上,探讨了泡孔成核剂种类、用量对发泡材料性能的影响,并对不同成核剂制得的材料泡孔结构进行了观察和分析。

Among 3 rice based cropping systems,the total S contents of plough layer in the treatment of rice rice flooded fallow in winter were the highest;those in the treatment of rice rice green manure came the second;those in the treatment of rice rice rape were the lowest.

结果表明,不同稻作制间,耕层土壤全硫含量以稻-稻-冬泡最高,稻-稻-冬绿次之,稻-稻-冬油最低;有效硫含量则以冬绿处理最高,冬泡处理最低;不同有机肥施用水平之间,耕层土壤全硫含量为常量有机肥处理最高,高量有机肥处理居中,化肥处理最低。

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你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。