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In this paper, PPVs derivatives with alkoxyl as side-chain and PPVs derivatives containing oxadizole were synthesized; the monomers and polymers were characterized as well. It was studied systemically the influence of component and molecular structure of main-chain and side-chain or side-groups on polymer solubility, electroluminescent and photoluminescent properties, thermostability, and light-emission device performance.

合成了烷氧取代以及主链中含有噁二唑的PPV衍生物,详细研究了各种单体和相关聚合物的合成并对其结构与性能进行了表征,系统研究了聚合物主链、侧链或侧基的组成与结构特征对聚合物的可溶性、电发光特性、光发光特性、耐热性以及电发光器件性能的影响。

Announce according to top people court " about hearing person damages case applicable law the explanation of a certain number of problems " regulation, road, bridge, channel wait for what build artificially to because safeguard,build thing, administrative flaw sends a person to damage; Pile up article boils fall, slide or pile up content collapse sends a person to damage; Arboreous dump, break off or fructification falls send what the person damages to perhaps manage a person to assume liability to pay compensation by everybody, but the exception that can prove oneself do not have fault.

根据最高人民法院公布《关于审理人身损害赔偿案件适用法律若干问题的解释》规定,道路、桥梁、隧道等人工建造的构筑物因维护、治理瑕疵人损害的;堆放物品滚落、滑落或者堆放物倒塌人损害的;树木倾倒、折断或者果实坠落人损害的由所有人或者治理人承担赔偿责任,但能够证实自己没有过错的除外。

C.fatigans to Deltamethrin had a high resistance level in different regions of Jiangxi Province;The resistance to DDVP and Acetophenate showed apparent; The resistance to Bassa were not obvious.

摘 要 目的:探讨我省不同地区乏库蚊对化学杀虫剂的抗药性现状。方法:采用浸渍法测定乏库蚊幼虫的LC50。结果:不同地区乏库蚊对溴氰菊酯均达到相当高的抗性水平;对敌敌畏和三氯杀虫酯的抗药性明显;对仲丁威的抗药性尚不明显。

Afterintroduction of basic electroluminescent theory of polymers and discussion of the studysituation of electroluminescent polymers and polyphenylene vinylene particularly, therelationship among structure, solubility and electroluminescent properties was studiedIn this paper, polyether-type PPV, polythioether-type PPV, and PPV containingoxadizole, biphenylene, or saturated aliphatic unit were synthesized, the monomers andpolymers were characterized as well.

在讨论了电发光聚合物的基本发光原理并深入地分析了国内外有机电发光聚合物尤其是聚苯撑乙烯的研究现状与发展趋势的基础上,论文着重研究了PPV衍生物的结构与它的可溶性以及电发光特性的关系。

At present, the investigation about this aspect is concentrate on the pure inorganic cathodal electrochromic materials like WO3 and organic electrochromic materials like Prussian blue and Polyaniline.

关于这方面的研究却主要集中在以WO_3为代表的一元无机阴极电变色材料和普鲁士兰、聚苯胺为代表的有机电变色材料上,对多元的电变色材料的研究较少。

The results showed: for the toxicity of two kinds of pollutants, the Cd(superscript 2+) is more poisonous that the Pd(superscript 2+). For the sensitivity to the pollutants, the P. caudatum, C cathayensi and D. japonica increase evidently in turn. The statistical analyses indicated that the single and combined toxicity effects both increase with the exposed time extended, especially for the combined toxicity (P.05), showing a marked time-effect relation. As for the single effect, ii increase prominently with Pb(superscript 2+) and Cd(superscript 2+) concentrations (P.05); But in the case of binary effect, the results showed obviously a time-effect (P.01) as well as a concentraction-effect relations.

结果表明:在同等条件下,Cd(上标 2+)对三者的毒效应都明显强于Pb(上标 2+);3种动物中,草履虫最敏感,而圆田螺耐受能力最强;随单一毒物浓度的增大以及暴露时间的延长,两者的毒效应都显著增大,表现出明显的浓度-效应和时间-效应关系;二者复合作用时,对3种动物的毒效应主要表现为与二组分的浓度比例有关。

In managing the disasters, scientific field pays attention to the disaster factors, eg. Some countries have improved their ability of monitoring and predicting natural disaster factors by applying geographic information system. While the civil administration organs show great concern for damageableness of the community they govern.

在灾害管理工作中,科学界关注的是灾因子,如一些国家应用地理信息系统,提高了对自然灾因子监测和预测能力;而民政部门更关注的是所辖社区的易损性,通过建立区域内灾害信息数据库,可根据易损性特征,对各种灾因子采取不同的防御措施。

Methods Peripheral blood mononuclear cells from healthy donors were induced to become dendric cells and CIK, using tumor antigen extracted from gastric cancer SGC7901 cells to sensitize DC, antigenpulsed dendritic cells were cocultured with CIK to generate CIK induced by gastric cancer antigenpulsed DC.

从正常人外周血单个核细胞诱导DC、CIK细胞,用胃癌细胞SGC7901抗原敏DC。敏DC与CIK共培养,制备经胃癌抗原敏的DC诱导CIK细胞。

The results show that complexing agent greatly effects on film's density. For the double complexing agents solution system based on citric acid, the solution with lactic acid and citric acid produced most compact film with lowest porosity; and for the double complexing agents solution system based on butane diacid, the solution with butane diacid and malic acid made most compact film with lowest porosity.

研究结果表明:络合剂对镀层的密度影响显著,对于以柠檬酸为基的双络合剂体系镀液来讲,乳酸-柠檬酸双络合剂体系镀液获得的镀层密度最好,具有最低的气孔率;而对于以丁二酸为基的双络合剂体系镀液来讲,丁二酸-苹果酸双络合剂体系镀液获得的镀层密度最好,具有最低的气孔率。

The epoxide groups of the column were modified by a reaction with diethylamine that affords ionizable functionalities required for ion exchange chromatography. The influences of the contents of the cross-linker and porogen on column pressure were investigated.

考察了交联剂及孔剂用量对色谱柱压力的影响,发现:随着交联剂用量的减小,孔剂用量的增大,柱压下降;当交联剂和孔剂用量达到一定水平后,柱压变化不再明显,但柱体机械强度降低。

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推荐网络例句

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。

Its advantage is that it can be used in smaller units.

其优点在于可以在较小的单位中应用。