查询词典 eutectic

The eutectic temperature and the amount of proeutectic austenite dendrites are essentially unchanged with the variation of solidification rates in hypoeutectic white iron.

随凝固速度增加，亚共晶灰铸铁的共晶温度下降，初生奥氏体枝晶的数量和发达程度随之增加。

The sliding wear behaviors under lubricating of hypoeutectic, eutectic and hypereutectic Al-Si alloys are investigated.

研究了亚共晶、共晶、过共晶 Al-Si 合金在润滑条件下的磨损行为，探讨了三类合金的磨损失效机理，得出提高Si含量是提高 Al-Si 合金耐磨性的有效途径。

The results of metallographical observation showed that there has the existence of eutectic remelting microstructure in heat effected area near the melting line.

金相观察表明，在靠近熔合线附近的热影响区内存在共晶复熔组织。

The evolution of pro-eutectic austenite in semi-solid high chromium cast iron was studied by self-made slope sampling plate through metallographical image analysis system.

采用自行研制的倾斜取样板进行取样，并借助金相图像分析系统研究了半固态高铬铸铁先共晶奥氏体的衍变过程。

Based on the study on the monovariant eutectic reaction in Al-Mg〓Si-Mg〓Ge ternary system, possibility of using the composite compound as the strengthening phase was examined primarily.

通过对Al-Mg〓Si-Mg〓Ge系中单变度共晶反应的研究，对复合型化合物作强化相的可行性作了初步探讨。

In this thesis, the process of side-chain alkenylation and cyclization reaction have been studied. NaK eutectic mixture is seldom used as acatalyst, not to mention the sonochemical treatment of it in a catalytic system.

本研究通过烯基化反应合成OTP并对其进行环化反应合成1，5-DMT，同时对反应催化剂进行表征并对反应机理进行探讨。

The achievements of recent extensive experimental and theoretical researches on the morphological instabilities of eutectic and peritectic coupled growth were reviewed.

这些成果主要包括：片层共晶共生生长在最小过冷度下的超稳定性、片层共晶共生生长的Z字形分叉、熔体流动及非线性动力学对共生生长形态稳定性的影响等。

However, this kind of deviation does not exist for the position of the pseudobinary eutectic reaction point in Ge-Al-Sb system.

而Ge-Al-Sb系中伪二元共晶反应点的位置不存在这种方式的偏离。

In the study on the liquid structure of Ge-AlSb alloys, it was found that two types of clusters of compositions Ge and AlSb exist in the melt. Based on this result, a growth model of cluster elementary process for A-BC〓 type pseudobinary eutectic was presented.

在对Ge-AlSb系合金液态结构的研究中发现其熔体中存在组分为Ge和AlSb的两种原子集团，提出了A-BC〓型伪二元共晶生长的原子团基元过程模型。

Selecting three typical pseudobinary eutectic systems, Al-Mg〓Si, Al-Mg〓Ge and Ge-AlSb, as the basic modelling system, this paper studied the regularity of composition selection and growth ect.

本文以恒温度梯度热分析、金相分析、定向凝固及熔体X射线衍射分析为主要手段，以Al-Mg〓Si、Al-Mg〓Ge和Ge-AlSb三个伪二元共晶体系作为基本的模拟系，对A-BC〓型伪二元定向共晶复合体的成分选择与生长等规律作了较为系统的研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。