冷结晶温度和熔融温度与共混比例、共混时间、温度等因素密切有关。
The blending composition, temperature and time have a dramatic effect on the cold crystallization temperature (Tc) increases and the melting Tmperature (t m).
研究了熔融温度、熔融时间、冷却方式及结晶温度对尼龙66球晶形态和大小的影响。
The influence of melting temperature, melting time, crystallization temperature and cooling mode on form and size of nylon 66 was studied.
熔融时间延长时,聚醚醚酮的玻璃化转变温度和冷结晶峰温度均提高,熔融峰强度减弱。
On the other hand, both the glass temperature and cold crystallization peak temperature of PEEK increases and melting peak strength decreases while the melting time becomes longer.
发现含香草酸第三单体的PHB/PET/VA三元共聚酯具有较快共聚反应速率、较低熔融温度、典型热致液晶行为和良好成纤性。
The results show that PHB/PET/VAter-polyester with vanillic acid has faster copolycondensation rate, lower melting temperature, typical thermotropic liquid crystallinity and better spinnability.
配煤是降低煤灰熔融温度和灰渣粘度的有效手段之一。
The ash fusion characteristics and slag viscosity at different blending ratios were studied.
模具设计人员可按压铸时熔融金属的温度及对模具抗熔损性能的要求,参照试验结果进行选材和确定模具的硬度。
With reference to the test result, die designers may select material and determine hardness of dies according to the temperature of melt metal and the demand for the resistance to erosion.
研究发现,共聚酯的熔融峰随着固相聚合温度和时间的变化而与纯PET有明显的差别;
The experimental results show that the changes of melt peaks of copolyesters with changing of S. S. P. temperature and time are different from PET homopolymer.
测试了基体和熔块的线膨胀系数、釉的熔融温度范围、釉面的白度、显微硬度和热稳定性等性能。
The coefficient of linear expansion of the body and glaze, the melting temperature range, the whiteness, the microhardness and the heat stability of glaze were tested.
结果表明,PC/PET共混体系在熔融过程中有酯交换反应发生,反应程度与组分含量、熔融温度和共混时间有关。
The result shows, the ester exchange reaction did take place in PC/PET melting blend system, the extent of exchange reaction depends on content of the components, mixing temperature and mixing time.
夕卡岩矿物中硅酸盐熔融包裹体在均一温度和成分方面与含子矿物的流体包裹体和“盐熔”包裹体显著不同。
Silicate melt inclusions are obviously different from daughter minerals bearing fluid inclusions and "salt melt" inclusions in respect of homogenization temperatures and the compositions.
这对高聚物是一完全互溶的共混体系,当共混体系处在熔点和相混合温度之间时,同时存在结晶的熔融相和无定形的相容共混相。
When the temperature of the blend is between melting-point and phase-mixing point, both melting-crystal phase and amorphous miscible phase are present.
采用DSC,WAXD研究了在超临界CO2作用下,温度、压力和共溶剂对双酚A型聚碳酸酯(BAPC)的结晶和熔融行为的影响。
The influences of temperature, pressure and cosolvent on the melting behavior of BAPC treated by supercritical CO2 were studied by DSC and WAXD.
并对其熔融指数(MI)、热变形温度(HDT)、抗溶剂性、热稳定性、力学性能和破坏形态进行了研究。
The melt index (MI), heat distorsion temperature (HDT), solvent resistance, thermal stability, mechanical properties and fracture morphologies were presented.
DSC研究表明辐照接枝产物的熔融温度和结晶温度均降低。
The DSC results showed both the melting temperature and crystallization temperature of the grafting products were decreased.
选用熔融纺丝法制备PDLLA/HA复合纤维,探索了熔融纺丝过程中温度、挤出机转速、拉伸速率、加料速度和冷却速率等一系列工艺参数的选择及其影响因素。
PDLLA/HA composite fibers were produced by melt spinning, and the choices of the process parameters such as temperature, revolving speed and drawing speed etc were discussed.
紫外辐照后,LLDPE的晶型和晶面间距未发生变化,但是其熔融温度和结晶度下降。
After the ultraviolet irradiation, the crystal shape and distance of the crystal plane of LLDPE remain unchanged. However, the melting temperature and crystallinity decrease.
此时温度较高和压力骤降,导致部分熔融和流体卸载,这一转化过程产生的温度、压力和流体浓度等梯度变化,促使流体(物质)运移与富集导致成岩成矿。
The high temperature and abrupt pressure drop ensuing in the process may result in partial melting, material migration and unloading of hydrothermal fluids to trigger litho metallogenesis.
给出了一维空间中激光热损伤的简化近似数学模型,并以此模型为基础计算了金属材料铝、银、铜的温度场分布和熔融阈值与汽化阈值。
The temperature of some metal materials and semiconductor materials have been described, and the melting damage threshold and boiling damage threshold were calculated.
熔融共混法加工过程中的混合温度、转速、时间对材料的成型和性质有着显著的影响,为得到最好的实验工艺。
The mechanical properties of materials were characterized and Effect of different synthesis conditions to mechanical property such as temperature, rotation and time were investigated in detail.
通过研究熔融碳酸盐燃料电池的传热传质和电化学反应机理,根据质能守恒原理建立了电堆的稳态温度模型。
Through studying the heat-mass transfer and multi-spices electric-chemical reaction, a steady temperature model was developed for molten-carbonate fuel cell stack.
结果表明顺流型熔融碳酸盐燃料电池堆的最高温度在电堆中间和出口部分;
The simulation shows that the highest temperature of co-MCFC stack exists in the middle and outlet;
结果表明顺流型熔融碳酸盐燃料电池堆的最高温度在电堆中间和出口部分;
The simulation shows that the highest temperature of co-MCFC stack exists in the middle and outlet;
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