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The results indicated that good wavelength stabilization could be obtained when a collimating cylindrical lens with diameter of 0.4 mm was used.

研究表明,在相同的工作电流、热汇温度下,当准直柱透镜直径为0.4 mm时的波长稳定效果较好;在此情况下,当热汇温度控制在30 ℃,工作电流从0.5 A增加到1.5 A的测量范围内,以及当工作电流固定在1.5 A,热汇温度从20 ℃增加到35 ℃时,测得的光谱特性表明,半导体激光器的工作波长可以很好地稳定在体布拉格光栅的布拉格波长处。

Blue-light-emitting polyfluorene derivatives with bulky bipolar pendent groups at C-9 position has been synthesized. The combination of electron-deficient oxadiazole and electron-rich triphenylamine affords a highly efficient light-emitting material by improving charge injection and transport in electroluminescent device.

具有刚硬双极性侧链的高效率蓝光聚茀高分子材料已成功被合成,藉由在fluorene的9号碳位置导入了有利於传输电子的oxdiazole片段与利於传输电洞的triphenylamine片段所结合的TPAOXD,不仅增加电荷注入与传输能力,同时提高材料的热稳定性质(Tg: 186 oC)。

The theoretical properties of BTATz were estimated by a B3LYP method based on 6-31G basis set. The stable geometric configuration and bond order were obtained. The vibrational frequencies, IR spectrum and thermodynamics properties under different temperatures were obtained from vibrational analysis, and the relationship between temperature and thermodynamics properties was deducted. Pyrolysis mechanism of BTATz was discussed, and the transition state and activation energy of ring opening reaction of the tetrazole were deducted.

用B3LYP方法,在6-31G基组水平上对其性能进行了计算,得到了其稳定的几何构型和键级;在振动分析的基础上求得体系的振动频率、IR谱及不同温度下的热力学性质,并得到了温度对热力学性能影响的关系式;探讨了其热解机理,推断出四唑环开环时的过渡态和活化能。

Plots of molar volume verses temperature are linear for all samples in the stable liquid region, but there is an increase in the slope〓 with decreasing temperature in the supercooled liquid region, analogous to that observed for C〓 in similar alkali titanosilicate liquids.

将摩尔体积对温度作图,在稳定的液体区内两者为线性关系,随着温度的降低到达过冷液相区,摩尔体积对温度的斜率升高,类似于在相近的碱硅酸盐熔体中观察到的热容的异常现象(Richet and Bottinga,1985;Lange and Navrotsky,1993;Tangeman and Lange,1998)。

CL which can be detected during tensile testing of unaged polyami-de and UV-irradiated polypropylene specimens, has been found to be an effect of thermally unstable hydroperoxides decomposing due to stress-induced adiabatic heating, which after necking is localised to the travelling neck shoulders.

在对物理尼龙和紫外线照射过的聚丙烯样件的拉伸测试过程中,采用化合光对其进行检测,可以发现一种不稳定的热效应产生的氢分解。这是由于在受拉伸颈部的轴肩局部位置,因应力作用而产生的绝热加热。

CL which can be detected during tensile testing of unaged polyami-de and U-irradiated polypropylene specimens, has been found to be an effect of thermally unstable hydroperoxides decomposing due to stress-induced adiabatic heating, which after necking is localised to the traelling neck shoulders.

在对物理尼龙和紫外线照射过的聚丙烯样件的拉伸测试过程中,采用化合光对其进行检测,可以发现一种不稳定的热效应产生的氢分解。这是由于在受拉伸颈部的轴肩局部位置,因应力作用而产生的绝热加热。

Finally, courtships with high volatility were found to result in lower level of dyadic adjustment and marital satisfaction. Because couples with unstable courtship pattern, compared to those with stable courtship pattern used more negative coping strategies, they therefore developed passive and negative adjustment patterns and may more easily subject to later marital dissolution.

最后,婚前关系起伏程度越高(包括骤热骤冷型、有惊无险及波折丛生型等三种关系发展类型)的夫妻,婚后在夫妻间相互适应的需要度及困难度越高,婚姻满意度也越低;再加上经常使用消极的调适策略,使得婚前关系发展类型较不稳定的夫妻发展出负面或消极的婚姻适应模式,并成为日后婚姻可能解体的危险群。

The paper researches the frictional mechanism of weave rubbing material and the relation between the thermal decay in the course of the rub and resin solidifying,resolving,and makes use of the laser shining to promote resin solidify in order to improve the early friction performance of rub material and shorten the early friction performance instable period of rub material.

本文研究了编织摩擦材料的摩擦机理以及摩擦过程中的热衰退与树脂的固化、分解之间的关系,利用激光照射促进树脂固化,提高了编织摩擦材料的早期摩擦性能,缩短摩擦材料早期摩擦性能的不稳定的过程,使其产品更安全可靠。

In the paper the main topics are:(1) to analyze the chemistry composition, the X-ray diffraction, the DTA, and the functions of all raw materials;(2) to define the best direction for producing glass and foam glass, and the best burning technical process;(3) to characterize the unit weight and thermal conductivity of foam glass;(4) to analyze the reason of bubbling up, including the influence factor of temperature, time and so on;(5) to discuss the reasons of leading to shortcomings.There is high content quartz (SiO2) in the two gangues from gold mine and potassium feldspar mine respectively. They can be used to prepare glass, because the quartz (SiO2) is the main raw material.

论文的主要内容包括:1、对矿山尾矿的湿化学分析,粒度、X射线衍射和热稳定性的分析,以及硼砂、碳酸钙及制备泡沫玻璃的玻璃粉、磷酸钠实验原料在实验中的作用进行分析;2、确定尾矿烧结成玻璃体和利用玻璃体烧结泡沫玻璃的最佳配方以及两次烧结的最佳烧成工艺条件;3、泡沫玻璃制品的体积密度和导热系数等物理性能的测定;4、泡沫玻璃的发泡机理分析,包括发泡温度、发泡时间、发泡剂的用量、稳定剂的用量及其它因素对发泡作用的影响;5、讨论造成泡沫玻璃成品各种缺陷的原因及其解决方法。

Then the surface of the star polymer was intramolecularly crosslinked using octa(3-azidopropyl)polyhedral oligomeric silsesquioxane, POSS-(N_3)_8,as the inorganic multifunctional crosslinker at high dilution concentration via click chemistry,forming a novel POSS/polymer hybrid nanostructure.Thermogravimetric analysis shows that after surface crosslinking, the thermostability of the core crosslinked PS can be remarkably improved.In the second work,we synthesized of a novel polymer with quatrefoil-shaped topology.

接着,我们合成了一种结构规整的含八个叠氮功能团的无机分子—多面低聚倍半硅氧烷,以其为交联剂,我们通过Click反应在即稀浓度下实现了前驱体星型聚合物的分子内表面交联,得到了外层为无机分子交联,内层为有机高分子的星状高分子,这种新型的星状聚合物表现出了优良的热稳定性能。

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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。