玻璃态
- 网络glass;glassy;Vitreous;vitrification
-
观察到低含量Cu掺杂样品铁磁性减弱,出现金属-绝缘转变与团簇玻璃态行为;
5 % Cu doping results in appearing of metal-insulator transition , weakening of ferromagnetism , and occurring of cluster glass state .
-
熔融BaB2O4急冷玻璃态光谱性质的分子动力学模拟
A Molecular Dynamics Study of Raman Spectra for BaB 2O 4 Glass
-
玻璃态PET的有序结构与解偏振光的记忆效应
Memory Effects for Depolarized Light Intensity and the Order in the Glassy PET
-
Na掺杂钙钛矿型锰氧化物的庞磁电阻效应及团簇玻璃态行为
Colossal Magnetoresistance Effect and Cluster-Glass Behavior of Na-Doped Perovskite-Type Manganite
-
适用于玻璃态膜的双方式吸收模型和适用于橡胶态膜的Henry定律在这一模型中得到了统一,模型参数也从分子数量级上获得了明确的解释。
The model parameters can be interpreted on the molecular level .
-
所有合金玻璃体经X射线衍射分析证明为玻璃态结构。
Their structure in a glassy state of all alloy tested has been confirmed by X-ray diffraction analysis .
-
高真空度、原材料成分的纯度是ZrAlCuNi合金形成玻璃态的重要因素;
High vacuum degree and purity of materials are important factors for forming glasses for Zr-Al-Cu-Ni alloys .
-
玻璃态高聚物PMMA的非线性粘弹-塑性本构方程
A non-linear viscoelastic-plastic constitutive model for glassy polymer PMMA
-
讨论了玻璃态高聚物PMMA在单轴压缩下的受力变形行为。
Discusses the deformation behaviour under loading of glassy polymer PMMA in this paper .
-
测定它的甲苯溶液和玻璃态固体多晶EPR波谱。
Solution and frozen - glass EPR spectra are measured .
-
玻璃态高聚物PMMA非线性粘弹-塑性本构方程的恒应变率近似解析解
An approximate analytical solution of the non-linear viscoelastic-plastic constitutive equation at constant strain-rate for PMMA
-
聚丙烯腈(PAN)玻璃态转化温度较高,具有良好的耐热性、耐溶剂、化学稳定性。
Polyacrylonitrile ( PAN ) exhibits high glass-transition temperature , good thermal and chemical stability , resistance to most organic solvents .
-
玻璃态金属氧化物(ZrO2,GeO2)的结构及空位分析:分子动力学模拟
Structural and Void Analysis of Amorphous Metal Oxides ( ZrO_2 , GeO_2 ): Molecular Dynamics Simulations
-
结果在明,从玻璃态结晶时,随着PC含量的增加,PET组分的结晶速率先增加后降低。
The results 's demonstrate that the crystallization rate of PET increases at first and then decreases with increasing PC content if the blends are crystallized from the glassy state .
-
DSC分析确定产品的玻璃态转化温度为35℃,为产品常温贮藏提供了可靠依据。
DSC indicated the glass transition temperature of the product is 35 ℃, which provides a reliable basis for storage of product at room temperature .
-
用极限动力学模型研究了C60分子在有序-无序相变和玻璃态相变间的驰豫行为。
Relaxation behavior of C 60 molecules between order-disorder phase transition and glassy transition is studied by extremal dynamic model .
-
普通碳泡沫首次于1960年由WalterFord报道,最初的碳泡沫是由热固性的聚合物泡沫分解得到蜂窝泡沫和网状玻璃态碳泡沫。
Normal carbon foam was first produced in the late 1960s by Walter Ford from pyrolysis of thermosetting polymers including cell foam and reticulates vitreous carbon foam .
-
随温度的降低样品表现出从顺磁(PM)到铁磁(FM)及自旋玻璃态(SG)等复杂的磁相变行为。
With the temperature decreasing , the system undergoes a transition from paramagnetic ( PM ) to ferromagnetic ( FM ) and further to spin-glass ( SG ) .
-
导致在Tc上、下温区磁化机制的改变可能是与铁薄膜及其氧化层中的无序自旋在低温时出现类自旋玻璃态密切相关。
The change of the magnetic mechanism in the temperature regions above and below T_c may be related to the spin-glass-like phase below freezing temperature in the Fe film and its oxide layer .
-
热分析中,超支化聚(酰胺-酯)的Td(热分解温度)为316.3℃,Tg(玻璃态转化温度)为270℃;
In thermal analysis . Td ( thermal decompose temperature ) of hyperbranched poly ( amide-ester ) was 316.3 ℃, and Tg ( grass transfer temperature ) was 270 ℃ .
-
动态力学分析表明,MMT的加入提高了PS的玻璃态储能模量,降低了材料的动态损耗;
The results of dynamic mechanical analysis showed that the storage modulus G ′ and loss factor tan δ of PS were increased and decreased respectively with the addition of MMT .
-
动态热机械性能(DMA)分析表明,环氧树脂/MMTDDA纳米复合材料的储能模量在玻璃态没有明显改善,但在玻璃化转变区具有一定的提高;
Dynamic Mechanical Analysis ( DMA ) indicates that store modulus of epoxy / MMT_ ( DDA ) nanocomposites is not improved in glassy region , but have an increase in glass transition region .
-
本论文以施加有限形变的玻璃态高分子材料的结构与性能随时间而发生变化的现象为研究内容,选用通用型PVC与工程用ABS、PC三种常见的塑料作为研究对象。
This paper studies the phenomenon of that structures and properties of some glassy polymer materials under finite strains change with time , and three kinds of common plastics , general-purpose PVC , engineering ABS and PC , are chosen as study objects .
-
第二章将从涡旋玻璃态和集体蠕动模型得到的弛豫率s-T关系与实验进行了比较;
Chapter Two The relation between the relaxation rate s and temperature T derived from the vortex-glass and the collective-creep model is compared with the experiment ;
-
在不同应变率和低于玻璃态转变温度(Tg)范围内,利用已发表的单轴试验的实验数据给出了一个确定模型参数的方法。
A procedure for the identification of model parameters is developed through the use of experimental data from uniaxial tests extracted from the literature , across a variety of strain rates and below the glass transition temperature ( Tg ) .
-
本工作对聚(乙烯基二苯甲酮)及其共聚物在玻璃态(77K)时的磷光光谱进行测定。
In this work , the phosphorescence spectra of glass solution of poly ( vinyl benzophenone ) ( PVBP ) and its copolymer have been measured at 77 K.
-
不同玻璃态PdTa1Si(16.5)合金的热稳定性研究
The thermal stability of pdta_1 si_ ( 16.5 ) alloy of different glassy states
-
本文用DSC首先论证淬火尼龙1010试样在DSC曲线上出现的放热峰是冷结晶峰,然后研究淬火尼龙1010在不同热处理条件下,冷结晶峰和玻璃态热松驰峰的变化规律。
It has been demonstrated that the exothermic peak on DSC curve for quenched Nylon-1010 is a cold crystallization peak , and the changes of the cold crystallization peak and thermal relaxation peak for quenched Nylon-1010 through different heat-treatments have been studied by using DSC .
-
结果表明,T-ZnO不能提高复合材料的拉伸性能、压缩性能和冲击性能,但可以提高材料在玻璃态的阻尼性能。
The results show that T-ZnO cannot improve tensile , compressive and impactive properties of T-ZnO / PUF composites , but can enhance their damping properties at glassy state .
-
实验结果表明,随Gd掺杂浓度增高,La0.67-xGdxSr0.33CoO3体系的磁结构表现为团簇玻璃态,x>0.10样品的M~T曲线出现了低温区M值急剧上升的奇特现象;
Experimental results show that the magnetic structure of La_0.67-xGd_xSr_0.33CoO_3 system exhibits the cluster glass state with doping Gd increasing . The M ~ T curves of samples x > 0.10 exhibit a peculiar phenomenon that M value rises sharply at low temperature range .