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The conformation of disulfide bonds, secondary structures, crystallinity and α-crystallinity of the cashmere fiber are changed after the cashmere yarn is steamed above 120℃ in relaxed and stretched state or crabbed at 98 ℃, 130℃ for different time, which is firstly found out. These structure changes of the treated cashmere fiber are related to temperature, time, and moisture content and tensile during heat treatment.

首次提出了山羊绒纱线在张紧状态、松弛状态经120℃蒸汽处理不同时间、经98℃、130℃的沸水松弛热处理后纤维二硫键构象、蛋白质分子链二级结构、结晶度以及玻璃化温度均发生变化,这些变化与热处理过程中的温度、时间、含水率及张力等因素有关。

The absorption of light in aqueous solutions of dysprosium, holmium and thulium salts.

唐高1,朱基千1,2,"掺镨(Pr3+)和铥(Tm3+)氟化镓铟玻璃标准的和改进后的贾德奥菲尔特理论研究",光学学报 27,

The effects of sucrose, glucose, galactose, fucose on elution were compared. The elution time, concentration of elution solutions and elution method were also investigated. The results showed that one-step washing with 0.125mol/L sucrose obtained higher survival rate, and the elution time was 15min.

对蔗糖、葡萄糖、半乳糖、海藻糖几种糖溶液的洗脱效果进行比较,对洗脱时间、洗脱液浓度、洗脱方法进行筛选研究,结果显示利用0.125mol/L蔗糖对玻璃化液处理后的胚胎进行一步洗脱成活率较高,洗脱时间在15min为宜。

Meanwhile, the relationships between the ratio of monomers and molecular weight, glass temperature were studied.

考察了单体配比对共聚物的相对分子质量和玻璃化转变温度的影响。

The thermally stable capability and mechanical property of the deuterated foam above were analyzed by the differential scanning calorimetry, dynamic mechanical analysis, stress-strain behavior analysis, and other methods. The results showed that the glass temperature or the decomposed temperature for the prepared foams is 100℃-120℃,or about 400℃, respectively. However, there was the irreversible change in the foams at between 50℃ and 100℃.

结果表明:1泡沫玻璃化温度在100℃-120℃,裂解温度在400℃左右;2在50℃-100℃之间和一定作用力下,泡沫存在不可逆的形变;3室温下(22℃),随着密度增大,泡沫弹性模量增大,损耗因子减小;在泡沫密度为20 mg/cm3-160 mg/cm3时,弹性模量为2MPa-10MPa,屈服强度为0.01MPa-0.12MPa,破裂形变为5%-35%。

Current thermal methods for the treatment of the above waste materials include the following four treatment systems: vitrification, plasma processing, molten metal processing and steam reforming.

目前以热方法处理上述垃圾污染物的处理系统有四种:玻璃化系统,等离子体加工法,高温熔化金属处理法,蒸气重组系统。

TMA shows that their glass temperature T〓 is about 40℃ and softening point T〓 140℃.

热机械分析表明,水溶性聚酯的玻璃化温度约为40℃,软化点约为140℃。

The behavior of the tested silica glass, in which multiphoton absorption existed but no darkening occurred, was also described.

此外,对石英玻璃在飞秒激光作用下虽存在多光子吸收但并未产生光致暗化的原因作出了解释。

The results showed that CoPI films were amorphous state and their glass-transition temperatures T(subscript g and decomposition temperatures T(subscript d respectively occurred above 322℃ and 544℃. At the same time, the tensile strengths of CoPI films reached beyond 100MPa and breaking elongations were improved from 12% to 54%, but the average of tensile modulus was reduced by 29%. However, polyimide blends had about the same structures and properties with PMDA/ODA-polyimide.

结果表明,CoPI薄膜为非晶态结构,玻璃化转变温度和起始分解温度分别在322℃和544℃以上,断裂伸长率由12%平均提高到54%,拉伸强度均超过100MPa,但弹性模量平均降低了29%;共混PI的聚集态结构和性能与PMDA/ODA型PI相近。

The structure of the copolymer was characterized by infrared spectrum, glass transition temperature and maximal heat decomposition temperature were analyzed by different scanning calorimetry and thermo gravimetric analysis.

利用红外光谱表征了共聚物结构,利用差示扫描量热法和热重分析测试了共聚物的玻璃化转变温度和最大热分解温度。

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