1) Thermal condensation
热缩合
1.
The adsorption and thermal condensation performance of(L-α-glutamic) acid on alumina were investigated by thermogravimetry/differential thermal analysis,X-ray diffraction,and diffuse reflectance infrared Fourier transform spectroscopy.
采用热重/差热(TG/DTA),X射线衍射(XRD)和漫反射红外光谱等手段对谷氨酸在AL2O3表面的吸附和热缩合反应进行了表征,并考察了谷氨酸水溶液平衡浓度和PH值对吸附行为的影响,探讨了原位条件下表面吸附的谷氨酸的缩合反应历程。
2.
The study on the performance of amino acid adsorption, activation and thermal condensation on inorganic oxides is helpful to make clear the essential function of silica, alumina and clay during the prebiotic chemical evolution, such as the formation of peptide bonds.
用TPD MS对甘氨酸的热缩合行为进行了考察,结合FT IR结果表明,产物为环状二聚体哌嗪二酮(DKP) ,没有检测到线式二聚体以及表面硅酯类物种形成。
2) Negative thermal expansion compounds
热致收缩化合物
1.
It mainly reviews the development of the negative thermal expansion compounds in the last 10 years,and gives a brief introduction of their contraction mechanism,their synthesis methods and their application procpect.
介绍了热致收缩化合物近十年进展情况、收缩机理、合成方法以及应用前
3) pyrocondensation catalyze polymerization
热缩催化聚合
1.
Polyaspartic acid was prepared by various ways,such as pyrocondensation catalyze polymerization of L-aspartic acid,common and microwave radiation synthesis of maleic anhydride and ammonium carbonate.
通过以L-天冬氨酸为原料的热缩催化聚合、以马来酸酐和碳酸铵为原料的常规合成和微波幅照合成等不同方法制备了聚天冬氨酸。
4) pyrocondensation
['paiərəu,kɔnden'seiʃən]
热缩
1.
On the basis of examples, this paper introduces the engineering technique of using pyrocondensational insulating materials to improve the insulating level of 110KV aerial conducting wire.
运用实例介绍了运用热缩绝缘材料提高 110KV架空导线绝缘水平的施工技术 ,并说明FS RD复合绝缘材料的主要技术参数及进行空气间隙击空试验的数据。
5) shrunk-on ring carrier
冷缩配合环座;热装环座
6) Heat-shrink tube
热缩管，热缩套管
补充资料：负温度系数热敏电阻陶瓷(见热敏陶瓷)
负温度系数热敏电阻陶瓷(见热敏陶瓷)
thermo-sensitive ceramics with negative temperature coefficient
负温度系数热敏电阻陶瓷thermo一sensitiveeeramies with negative temperature eoeffieient在某一特定温度范围，电阻率随温度的升高而明显减小的热敏陶瓷。简称NTC陶瓷。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条