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- Polybenzoxazole(PBO) ,which has unusually high strength,good thermal stability,outstanding resistance to oxidation and moisture, is always the study focus since 1980s. 聚苯并恶唑(PBO)因其具有的强度大、耐高温、耐氧化、耐潮湿以及优良的热稳定性等特点,自20世纪80年代以来一直是人们关注的热点之一。
- The mineral form of lead monoxide,PbO. 天然一氧化铅一氧化铅(PbO)的矿物形式
- The mineral form of lead monoxide, PbO. 天然一氧化铅一氧化铅(pbo)的矿物形式
- PbO deficiency only affected dielectric loss very weakly. 而铅欠缺对介电损耗影响很小。
- The same procedure would have to be followed wherever the PBO comment occurs. 在所有出现PBO注释的地方,都必须遵守同一过程。
- A yellow lead oxide, PbO, used in storage batteries and glass and as a pigment. 密陀僧黄色一氧化铅,pbo,用于蓄电池和玻璃,也用作色素
- Moreover, MBO seems to generate a greater tunneling effect than PBO. 另外,MBO公司比PBO公司显示出更大的产生隧道效应的可能性。
- But d33 of the texture ceramics was achieved 568pC/N with 1 wt% PbO. 但在PbO的掺入量为1wt%25时,织构陶瓷的 达到568pC/N,较未掺杂的样品有了明显提高。
- ESCA analysis showed that the components of electrodes surface were : Ni, NiO, MoO_2, WO_3, PbO, PbO_2 ,Ca,etc. 证实表面有:Ni; NiO; MoO_2; MoO~(2-)_4; WO_3; PbO_2; PbO; Ca++等物质.
- The effect of using PBO and phthalandione as a combinative extender on the extension is tested. 并与苯酐联用,测定了联用效果。
- The synthesis of method PBO fiber are introduced and microstructures and determination methods are reviewed in detail. 并对PBO的微观结构形态和表征方法进行了综合评述。
- In this research, the Poly(p-phenylene benzobisoxazole) or PBO is the main material to be treated. 摘要本研究主要以聚苯并恶唑纤维材料作表面加工。
- The domestic and international study progress in surface modification technology of PBO fiber is presented. 综述了近几年来国内外对PBO纤维表面改性研究的进展情况。
- 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 PBO plan of American is to study the deformation of plates edge by using the methods of GPS, body-strain etc. 摘要美国PBO计划用GPS、体应变等方法研究板缘变形。
- Used for 30% glassfibre reinforced PBT, synergism of Br/P in the molecule of BPP makes flame retardance of BPP better than that of flame retardant PBO. 用于 3 0%25玻纤增强PBT中 ,BPP分子中溴 /磷的协同效应使其阻燃性能优于阻燃剂PBO。
- Synergism experiments showed that the synergistic ratio of DEF and PBO to fenitrothion in R strain were 1.3X and 34.8X, respectively. 活体增效作用研究表明,脱叶磷(DEF)和氧化胡椒基丁醚(PBO)对抗性种群可分别增效1.;3和34
- 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。
- The dissolution properties of Pb(NO3)2, PbO, and Pb3(CO3)2(OH)2, were expressed as: brown soil>black soil>meadow soil (P<0.01). Pb(NO3)2、PbO和Pb3(CO3)2(OH)2溶解性表现为棕壤>黑土>草甸土(P<0.;01)
- Conclusion The bednet treated with deltamethrin mixed PBO during the malaria transmission season will be efficient for vector control. 结论在疟疾流行季节用混配剂型浸泡蚊帐能够对媒介按蚊起到防制作用。