熔融结晶是一种分离精制有机物的物理方法。
Melt crystallization is a physical method for separating or refining organic compounds.
提出了一种新的基于直接冷却固化与发汗提纯的熔融结晶技术。
This paper presents a new type of melt crystallization technique based on a combination of solidification and sweating.
因此本文开发的辛基酚熔融结晶精制提纯技术具有很好的工业化价值。
Summarily, this new melt crystallization technology for purifying the octyl phenol has a good foreground of industrial application.
可以预见,熔融结晶技术将成为生产高纯度有机化工产品的重要技术。
It can be anticipated that melt crystallization will become an important technology for producing high-purity organic chemical products.
其熔融热焓较大,说明熔融结晶时结晶尺寸较大;过冷程度较小,可纺性差。
Its high melting enthalpy results in bigger crystal size, lower super-cooling and poor spinnability.
通过减压精馏熔融结晶耦合技术研究提高人造麝香(DDHI)含量的原理和工艺流程。
The combined vacuum distillation and melt crystallization technology was used to purify DDHI from artificial musk.
用小角光散射、电子显微镜等方法研究了熔体温度对熔融结晶的PTFE结晶形态的影响。
The influence of the melt temperature on the crystalline morphology of polytetrafluoroethylene was studied by Small Angle Light Scattering and Electron Microscope techniques.
利用偏光显微镜,对高聚物(PP,PS和PE)在不同条件进行熔融结晶时的球晶进行了研究。
Spherulites of some polymers such as PE, PP and PS during melting crystallization under different conditions are studied by means of polarized microscope.
本文研究开发的辛基酚熔融结晶精制提纯新技术,为工程放大和产业化设计提供基础数据和理论指导。
In the paper, a new melt crystallization technology was developed to purify octyl phenol, which can provide the basic data and theoretical instruction for industrialization and engineering design.
熔融结晶精制技术目前不仅在精细化工产品和同分异构体的分离中得到了推广应用,而且在大吨位的有机化学品,如双酚a、萘等的生产中也得到了应用。
Melt crystallization is not only used in the separation of fine chemicals and isomers but is also used in the production of large output of organic chemicals such as bisphenol a and naphthalene.
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.
熔融温度升高时,聚醚醚酮的结晶峰强度减弱,峰宽增加;而冷结晶峰温度提高。
With increasing melting temperature, the cold crystallization peak temperature increases, the crystallization peak strength of PEEK weakens and the peak width increases.
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.
认为火山岩的成分分异受斜长石在岩浆源区熔融残留和岩浆形成后黑云母的结晶分离双重控制。
The chemical variation of the volcanics are controlled by both residual of plagioclase in the melting source area and crystal fractionation of biotite after magma formation.
实验结果表明该偶联剂界面层的形成对PPS/PES共混物的熔融、结晶行为以及抗冲击性能具有深刻的影响。
Theformation of this interphase had strong effect on the melting and crystallization behaviour of PPS/PES blend, and the impact strength of PPS/PESblend was raised.
在其它的结晶条件下观察到单熔融峰。
Under other crystallization condition only single melting peak is observed.
你脚下的岩石,这种浅红色的岩石叫做花岗岩,它是由熔融的岩浆冷却结晶而形成。
Look at the rock under your foot. This light red colored rock is called granite which is derived from the crystallization of molten magma.
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.
对于经由岩浆熔融物质冷却结晶的岩石来说,这个名称是很合适的。
It is. an appropriate name for rocks that have cooled and crystallized from hot, molten rock material called magma.
结果表明,加工历史对尼龙的结晶和熔融行为影响很大。
The results showed that the processing history had a great influence on the crystallization and melt behavior of nylons.
由实验和观察结果可以看出,熔融凝固过程的微观分析有助于揭示保护渣在结晶器内的行为。
From the experiment and the observation, it is found that microscopic analysis in melting and solidification process can greatly help to reveal the behaviour of powder in the mould.
还探讨了升温速率对结晶熔融行为的影响。
This peper also studied the effect of DSC scanning rates on the crystallize and melting behavior.
由DSC测量确定共聚物熔点,结晶相含量由吸热熔融峰面积确定。
The mp values of copolymers were established from DSC measurements and the crystalline phase content was determined from the area of endothermic melting peaks.
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.
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).
结果表明,由于成核添加剂与PET之间在熔融态下存在化学反应,导致PET有不同程度的分子量下降,同时PET结晶速率发生变化。
It is found that there are chemical reactions between nucleating additives and PET in the melt state, resulting in the change of molecular weight and crystallization rate of PET in some degree.
通过DSC上(熔融峰、结晶峰)呈现单峰确定了此共混体系在片晶水平上共晶;
Only a single melting or cooling peak was found in DSC curves for all blends, showing cocrystalline in patch-crystal level.
对复合体系的形态结构、熔融及非等温结晶行为进行了研究。
The morphological structures and melting properties as well as non-isothermal crystallization behavior of blend were investigated.
对复合体系的形态结构、熔融及非等温结晶行为进行了研究。
The morphological structures and melting properties as well as non-isothermal crystallization behavior of blend were investigated.
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