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- The manufacture of polyurea polyol( PHD) is so complex that the preparation of title compound is difficult in common laboratory and plant. 聚脲多元醇phd的生产工艺复杂,在普通实验室和工厂合成较为困难。
- The manufacture of polyurea polyol( PHD) is so complex that the preparation of title compound is difficult in common laboratory and plant . 聚脲多元醇PHD的生产工艺复杂,在普通实验室和工厂合成较为困难。
- Urea based compound fertilizers made by spraying molten urea onto single or triple superphosphate granules can prevent hygroscopicity. 在普钙和重钙颗粒上喷涂熔融尿液生产的尿基复合肥还能防止吸湿。
- Keywords polyurea polyol;reagent;stability; 聚脲多元醇;稳定剂;稳定性;
- Polyurea polyols were determined and characterized by FTIR, NDJ-l viscosimeter, LG10-24 centrifugal machine, TEM and TG etc. 用红外光谱、NDJ-1型旋转式黏度计、LG10-24型离心机、透射电镜(TEM)、热重分析(TG)等对聚脲分散体进行测试与表徵。
- Keywords polyurea polyol(PHD);dispersant;solids content;viscosity; 聚脲多元醇(PHD);分散剂;固含量;黏度;
- In addition, ODI based samples showed better oxidation resistant property and more regular distribution of hard segments than MDI based polyureas. 醚键的引入也使硬段堆积紧密,但这一材料的拉伸强度要低于相应的用MDI合成的聚脲。
- THE EFFECTS OF HIGH SOLID CONTENT POLYUREA POLYOL ON PROPERTIES OF HIGH RESILIENT FLEXIBLE POLYURETHANE FOAM 高固含量聚脲多元醇对聚氨酯泡沫性能的影响
- Our quality is based solely on our sales samples. 我们的质量完全以货样为准。
- Keywords urea base compound fertilizer;prilling with granule method;liquid phase required amount;temperature and CRH distribution; 尿基复肥;团粒法造粒;液相需量;温度与CRH分布;
- urea-based polyurea polyol 尿素基聚脲多元醇
- The story is based mainly on tradition. 这故事主要来自传说。
- The story is based on historical facts. 这个故事是以历史事实为根据的。
- A series of polyurethane(urea)s based on hydroxyl terminated polybutadiene (HTPB),diisocyanate (TDI or IPDI) and curing agents (MOCA or polyol)were synthesized by a two step polycondensation. 以端羟基聚丁二烯(HTPB)、二异氰酸酯(TDI或IPDI)为原料制备预聚体,利用多元胺或多元醇作固化剂,制成聚氨酯及聚氨酯脲弹性体。
- Based on speculative or abstract reasoning. 哲学上的,理论上的建立在思辩或抽象的推论之上的
- The TV play was based on real life. 那出电视剧是根据现实生活写成的。
- Capitalism is based on private ownership. 资本主义是建立在私有制基础上的。
- Our conclusion is based entirely on fact. 我们的结论完全是实事求是的。
- This play is based on a true story. 这出戏以真事为基础。
- This film is based on a novel by D.H.Lawrence. 这部影片是根据D.;H