铸

The β phase of casting ZK60 alloy states were continuing,and the mechanical properties and deformability were poor.

前期的研究表明，对铸态ZK 60合金进行390℃×16 h固溶处理可以起到良好的固溶强化效果。

From the temperature (612℃) slightly under its liquidus, the nucleation number was most in the melt, the primary grains were fine and global, the number of grains per area was more, and the optimum holding time was near 30min at 612℃. From the temperature (600℃) below its liquidus, the nucleation number was more, but some nucleuses congregated and grew dendritically.

其中 ，液相线铸造法〔4〕是我们开发的一种新的制浆方法，该法使金属熔体在液相线温度附近保温一段时间并形核，然后浇铸成具有细小球形组织的适合半固态成形的铸坯。

The author analyzed total oxygen content, nitrogen content in steel made by typical process and the inclusion composition, change rule, morphology and distribution qualitatively and quantitatively by image analyzer, big sample electrolysis, SEM and energy spectrum analysis. The results showed that final inclusion form was small granule MnS, calcium aluminate, a small quantity of silicate and lumpy Al2O3. By intensifying deoxidation alloying process control in converter, argon blowing and slagging control and desulphuration and calcium reduction operation in refining course and overall-protection casting, the oxygen content was reduced by 20% above averagely, nitrogen content was reduced by about 10% and the inclusion content was reduced by 30%.

通过全O、N分析，夹杂物图像分析仪、大样电解、扫描电镜及能谱分析，定性和定量分析了典型工艺钢种钢中全O、N含量和工序过程夹杂物的构成、变化规律及形态、分布，分析钢中最终夹杂物表现形式主要为小颗粒的MnS、铝酸钙、少量的硅酸盐和块状Al2O3，通过强化转炉脱氧合金化工艺控制、精炼过程吹氩与造渣控制及脱硫和钙处理操作、全程保护浇注，钢水中O含量平均降低20％以上，N含量降低10％左右，铸坯中夹杂物含量降低了30％。

In order to adapt the rhythm of the continuous casting, No.3 Steelmaking Plant of Jigang optimizes specific iron and steel structure, increases the percentage of goal hits of the converter, optimizes LF slag-making and argon blowing processes and intensifies LF deoxidation and desulphuration etc, shortening refining period 17min, reducing he electric consume 6.7kW.h/t.

为适应连铸节奏，济钢第三炼钢厂通过优化钢铁料结构、提高转炉终点命中率、优化LF造渣及吹氩工艺、强化LF脱氧、脱硫等措施，缩短精炼周期17min，降低精炼电耗6.7kW.h/t，满足了高附加值钢种的工艺要求并实现了多炉连浇。

Non-equilibrium thermodynamics ; dissipative structure ; chaos ; blast furnace ; decarbonization ; devulcanization ; continuous casting ; flash set

非平衡热力学；耗散结构；混沌；高炉；脱碳；脱硫；连铸；快速凝固

Roman coins minted during the reign of Diocletian have been excavated in remote parts of Iceland.

在冰岛的偏僻地区曾出土过古罗马戴克里先生统治时铸的钱币。

In A.D. 303, he jailed all Christians and ordered the burning of all the churches and Bibles. In order to celebrate his success, Diocletian made a coin.

为庆贺他的成功，他铸了一枚铁币，上面刻著︰&基督教已被消灭，诸神的崇拜再次恢复。&

Superior chemical stability was found for both glass-ceramics before or after heat-pressing.7. In this experiment, all-ceramic restoratives were made with experimental lithium disilicate glass-ceramic using dental heat-pressing technique.

结果表明：热压铸对实验二硅酸锂玻璃陶瓷的晶相组成和晶体含量无显著影响，热压前后玻璃陶瓷均是以二硅酸锂为主晶相；热压后二硅酸锂晶体尺寸轻度增大，呈现出一定程度的定向排列趋势；热压前后实验二硅酸锂玻璃陶瓷均表现出良好的化学稳定性。7。

Aluminum alloy is used to cast the shell for its beauty and durableness. Tricolor energy-saving lamps and transparent lampshades are used for enjoyable appearance and good practicality.

外型设计采用铝合金压铸的传统灯具造形；美观大方、经久耐用；选用三基色节能灯泡配以透明灯罩，极具观赏价值和实用价值。

Through survey carefully, we find that if depend on pouring velocity、structural shape of SEN entocoele、angle slope of outlet 、depth of infusion together to make the liquid steel in model revolution in an order flow then it can utilize this kind of energy completely.

通过仔细研究发现，只要依靠浸入式水口内腔结构形状、出口倾角、浸入深度以及浇注速度就可以使方坯连铸结晶器内钢水为旋转的涡流流动，把液态金属的流动动能利用起来。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。