The amphiphilic block copolymer is preferably an all polyether block copolymer such as a PEO-PBO diblock copolymer or a PEO-PBO-PEO triblock copolymer.
该两亲嵌段共聚物优选为全聚醚嵌段 共聚物，例如PEO-PBO双嵌段共聚物或PEO-PBO-PEO三嵌段共聚物。
PBO fiber can be widely used as heat resistant materials, reinforcement materials, bulletproof and impact-resisting materials in aeronautic and military field.
PBO纤维在耐热材料、增强材料、防弹抗冲击材料以及航空领域与军事领域广泛应用。
Enamel with heavy metals, PbO as basic component provide high chemical resistance in the case of reuse: no appropriate substitute available.
瓷釉含有重金属。基本成分氧化铅提供重复使用期间高化学稳定性。没有适当有效的替代物质。
Treated by mixture of nicosulfuron and PBO, the tolerant variety of maize is more tolerant than the sensitive variety.
在烟嘧磺隆与P BO组合处理下耐性品种对各处理的耐性明显高于敏感型品种。
The laser characteristics of a series of substituted PBO are investigated.
研究了一系列PBO衍生物的激光特性。
Synergism of DEF PBO SV1 and S2 to fenvalerate were measured against susceptible and resistant strain of Helicoverpa armigera.
以敏感和抗性棉铃虫为试虫，比较测定了DEF、PBO、SV1 和S2对氰戊菊酯的增效作用。
Fish were also pretreated with piperonyl butoxide (PBO) or triphenyl phosphate (TPP) and then exposed to fenitrothion.
另一些鱼在接触杀螟松之前分别用胡椒基丁醚(pbo)和磷酚三苯酯(TPP)做预处理。
The influence of oxygen plasma treatment on the PBO paper properties was studied in this paper.
研究了PBO(聚对苯撑苯并双唑)浆粕在氧等离子体不同处理条件下对PBO纸页性能的影响。
The bioassay results indicated that PBO synergised 7 pyrethroids significantly, with the highest synergistic ratio (119 3) for fenvalerate and the lowest (2 1) for permethrin.
生物测定结果表明，PBO对所测定的7种拟除虫菊酯均有不同程度的增效作用，对氰戊菊酯的增效比最高（1193） ，对氯菊酯的增效比最低（21）。
Polyp-phenylene benzobisthiazole(PBO), a new high-performance organic fiber, is introduced in this paper.
介绍了一种新型高性能有机纤维聚对苯撑苯并双恶唑简称PBO。
At the middle scale is the plate boundary level, where the plate boundary Observatory (PBO) will image and characterize the slow deformation of the earth along the western U. S. and Alaska.
中级尺度是板块交界，在此，板块交界观测站(PBO)将沿着美国西部与阿拉斯加，拍摄并描绘出地球缓慢变形下的特性。
In this paper, Ti PbO 2 and Ti Ru used as anode and stainless steel used cathode in producing hypophosphorous acid by electrolytic process with four compartment electrodialytic cell was studied.
本文采用四室电渗析槽，分别以钛涂钌电极和钛基二氧化铅电极为阳极，不锈钢为阴极，进行了电解法制备次磷酸的实验研究。
PBO fiber can be widely used as heat resistant materials, reinforcement materials, bulletproof and impact-resisting material…
PBO纤维在耐热材料、增强材料、防弹抗冲击材料以及航空领域与军事领域广泛应用。
By adding MoS2 and PbO into the middle copper content brushes, the brushes for high - speed electric machinery are proved to be effective by experiments.
高速电机用电刷，采用中钢—石墨电剧中添加二硫化钼和氧化铅，经试验效果优良。
With further increase of MSA content, treating time and treating temperature, PBO fiber sheath was destroyed, which led to the decrease of IFSS.
当溶液中甲基磺酸的质量分数、处理时间和处理温度进一步提高时，PBO纤维的皮层将遭受破坏，导致界面剪切强度下降。
The results also show that PBO solution is stable under nitrogen, whereas the speed of photodegradation is fast when environment atmosphere is oxygen.
PBO溶液在氮气气氛中对紫外光相对稳定，而在氧气中光降解速率很快。
The results also show that PBO solution is stable under nitrogen, whereas the speed of photodegradation is fast when environment atmosphere is oxygen.
PBO溶液在氮气气氛中对紫外光相对稳定，而在氧气中光降解速率很快。
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