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发泡剂

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The results showed that the physical an d mechanical properties of bio-fiber compo sites can be improved though foaming.

研究结果表明:以碳酸氢钠为发泡剂对生物质纤维基复合材料进行发泡可以有效提高材料的物理力学性能。

The rationality and economy of reformation for PU foaming machinery using cyclopentane as foaming agent were introduced.

阐述了采用环戊烷替代CFC-11发泡剂的聚氨酯发泡机改造的合理性和经济性。

Using hemihydrate gypsum as main raw materials and frothing by gum rosin composite vesicant to produce gypsum heat preserving material.

以建筑石膏为原料,采用松香类复合发泡剂发泡制成石膏保温材料。

Paper pulp and mixed blowing agent (sodium bicarbonate,potassium alum,starch,potas- sium D-bitartrate,and calcium carbonate) was used to produce the foaming pulp material.

以纸浆为原料,使用复合发泡剂(碳酸氢钠、钾明矾、淀粉、酒石酸氢钾、轻质碳酸钙),制作纸浆发泡缓冲材料,得到稳定的实验配方,所得发泡材料的静态缓冲系数在4~5之间。

It has great economic potential based on its medical functions as well as industrial functions, such as vesicant, emulsifier, stabilizer and flavor additive.

近年研究表明,大豆皂苷具有显著的降血脂和抗动脉粥样硬化等多种重要的生理功能,可开发成保健食品或药品,同时它还是一种重要的发泡剂、乳化剂、稳定剂和风味改良剂,市场潜力大。

First, we make the regression of the viscosity from the experimental data, and then regresses the expression of the swell ratio and the capillary number, at last, the swell ratio forecast model is gained by the formula translation.

在微孔塑料挤出工艺中,以无污染的超临界CO_2替代常规有害的化学发泡剂制取性能优越的微孔发泡塑料,引起人们的广泛关注。

After the studies of basic material, citric acid/sodium carbonate, OBSH and Azodicarbonamide were used as foam agents of starch, fiber reinforced starch and starch/PVA blends. The expansion ratio and foam frame of the foams was studied.

在基础材料研究基础上,采用柠檬酸/碳酸钠、OBSH和AC发泡剂对淀粉、纤维增强淀粉和淀粉/PVA共混体系进行了挤出发泡研究,并就体系的发泡倍率和泡孔结构进行了研究。

The thermal decomposition behavior of a novel gas-generating agent used for two steps foaming process of aluminum was investigated, its kinetic and thermodynamic characteristics of decomposition reactions, and the potential reactions between the foaming gas and the melt were analyzed.

摘 要:研究一种适于两步法制备泡沫铝工艺用新型发泡剂的热分解行为,分析其分解过程中的动力学与热力学特征,以及发泡气体与熔体之间可能存在的反应。

YTS compound is mainly used to warm foaming agent concrete foam insulation, foam concrete insulation, thermal insulation layer of the production, it could cement, magnesia, lime, gypsum, powder, sawdust, fly ash, sand, Pak Nai paper sludge and other raw materials, foam, made of foam concrete, wall board, lath, block, hollow brick, heat pipe protection kits, roof insulation foam board and other lightweight building materials, also can be used for the production of roofing insulation layer.

HTD-1型复合发泡剂主要应用于地暖泡沫混凝土绝热层、泡沫混凝土隔音、保温垫层的生产,其可对水泥、氧化镁、石灰、石膏、石粉、锯末、粉煤灰、沙、造纸废渣白泥等多种原材料发泡,制成泡沫混凝土、隔墙板、板条、砌块、空心砖、实心砖、热力管道保护套、屋顶隔热板等多种轻质泡沫建材,也可用于屋面保温隔热层制作。

The liquefied Japanese cedar was blended with PMDI (poly-4, 4'-diphenylmethane diisocyanate), and adding water as a blowing agent, organosiloxane as a surfactant and dibutyl tin dilaurate as a catalyst to prepare the polyurethane foams. The effects of the kind and dosage of surfactant and the molar ratio of NCO/ for PMDI to liquefied Japanese cedar on the properties of PU foams were investigated.

Don; Japanese cedar进行液化处理,所得液化柳杉进一步与异氰酸酯PMDI混合,并添加水为发泡剂,有机矽氧烷为界面活性剂,二月桂酸二丁锡为催化剂制造聚胺基甲酸酯发泡体,探讨界面活性剂种类、添加量及PMDI与液化柳杉之NCO/莫耳比对所制造PU发泡体性质之影响。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。