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- The results of experiments showed the swell ratio model established in this paper could be applied to the predication of swell ratio of PP foam system. 通过结果检验可知，本文确立的胀大模型可以用于预测聚丙烯发泡体系胀大比。
- PP Foam System 聚丙烯发泡体系
- Via introducing nano-silicate into the foamable system,with PP resin modified by maleic anhydride as matrix,the effects of nano-silicate on the properties of PP foam were studied. 采用马来酸酐改性的聚丙烯(PP)作为基体树脂,在发泡体系中添加纳米硅酸盐,研究了纳米硅酸盐对PP泡沫材料各项性能的影响。
- Secondly, the process of making PP foam doesn't involve florin and chlorine carbides, and there is no harm to the ozone layer. 其次，PP发泡工艺中不需要使用氟氯碳化合物，对臭氧没有破坏作用，所以它是环保的，被称作绿色发泡材料。
- The apparent viscocity of foam system increases with the permeability increasing. 泡沫体系的视粘度随渗透率的增大而增大；
- Combining the example of engineering, the fire control water cooling system and foam system are described. 结合工程实例,介绍了油库的消防水冷却系统和泡沫灭火系统。
- The influences of polyether polyols and catalysts and foam stabilizer and i/c-pentane on flowabilty of polyurethane foam system for refrigerator were studied. 探讨了冰箱用硬质聚氨酯泡沫塑料环戊烷异戊烷发泡体系中聚醚、催化剂、匀泡剂及环戊烷/异戊烷比例等因素对发泡物料流动性的影响。
- Study on Swell Ratio Model of PP Foam 聚丙烯发泡体系挤出胀大模型的研究
- The results show that foaming temperature has a significant influence on PP foaming under a confirmed heating condition. 结果表明：在一定的加热方式下，发泡温度对聚丙烯发泡效果的影响显著。
- FangShan station has a fire protection team of 20 fire fighters.There is also a fire hall control room which is manned 24 Hrs a day.This is where the foam system is activated during a tank fire. 房山站现有消防人员20名，同时站内消防间设有24小时值班人员，消防间负责储罐起火时开启泡沫灭火系统。
- HPAM/HEC were selected as the right foam stabilizer,a new foaming system was developed. 在保证一定起泡能力的前提下,筛选出了混合稳泡剂HPAM/HEC,研制了一种新的起泡体系。
- HPAM/HEC were selected as the right foam stabilizer, a new foaming system was developed. 在保证一定起泡能力的前提下，筛选出了混合稳泡剂HPAM／HEC，研制了一种新的起泡体系。
- Our core business is fire-retardant PU Foam (PIR) for the PU S/W Panel and Spray Foam systems and positioned leading company for PU systems. 为客户提供以防火、环保、节能为主要特点的广泛应用于冰箱、冷库、管道保温、喷涂、板材、填缝剂、粘合剂、汽车塑料、建筑装饰材料等领域中所需求的各种聚氨酯组合料及相关技术支持。
- Fire Fighting Truck with Compressed Air Foam System 压缩空气泡沫消防车
- foam system extinguishing system 泡沫式灭火装置
- When the shear rate was high, the cell morphology could be improved by applying a weak vibration, no matter what the foaming system was. 当剪切速率较高时，不论何种发泡体系，施加较弱的振动作用可以改善泡孔的形态；
- Colligate the relationship between swell rate and capillary number to establish the prediction model of the swell ratio and the average cell diameter for PS/SCCO2 foaming system. 综合胀大比和毛细管数的关系,提出了聚苯乙烯/超临界CO2发泡体系挤出胀大和泡孔平均直径预测模型。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- Based on the choice of PAS or CTAB as foam agent, NAPS as stable agent, the prescription of NACP foam system for displacing oil was studied, and oil displacement effect of this system was appraised through core floating experiments. 在已优选PAS或CTAB作为起泡剂,NAPS作为稳泡剂的基础上,对驱油用NACP泡沫体系的配方进行了研究,并通过岩心流动实验评价了该体系的驱油效果。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
