The effect of tempering time on tempering hardness,the tempering curve,the effects of carbon and alloy elements on tempering curve are studied.
通过试验探讨了回火时间对淬硬钢的回火硬度的影响,分析了不同淬硬钢的回火曲线及其走向与特征,讨论了碳和合金元素对淬硬钢回火曲线的影响,建立了针对于碳钢和合金钢的回火硬度与回火温度关系的模型。
The effect of tempering time on T91\'s rupture life is dependent on the stress applied on the specimen.
研究了不同回火时间对T91钢625°C下持久性能及形变前后组织的影响。
The influence of diffusion activation energy of carbon atom and tempering time on tempering transformation of martensite are studied by using of the principle of carbon diffusion in martensite.
根据马氏体回火过程中的碳原子扩散特征,分析和计算了碳扩散激活能和回火时间对马氏体组织的影响。
In this paper,intermediate tempering and fatigue life were researched.
对已产生疲劳损伤的调质45、40Cr 钢试样,进行600℃(与调质时回火温度相等)中间回火处理,然后继续进行疲劳实验,用电镜观察其微观组织结构变化,并进行显微硬度分析。
8%, followed by interval tempering.
8%控制下,对40Cr钢调质试样进行疲劳循环后,再通过间隙回火处理,结果提高了疲劳寿命。
Temperature profiles,mass loss rate,ignition time,ignition temperature and critical heat flux were all examined in the experiments.
分析热解与着火过程中木材试样不同深度的温度变化与失重变化,对木材的着火时间与着火温度进行记录,并着重分析水分对木材温度分布、着火时间与着火温度的影响。
The ignition time of wood pre- di.
模型对木材热解与着火过程中的温度变化、失重以及着火时间进行了预测,且预测值与实验值吻合得较好,最后分别将该微分模型、一个经典的热解与着火积分模型的预测值与实验值对比,发现考虑热解与着火过程复杂物理与化学变化的微分模型的预测结果与实验结果吻合较好。
An integral formula was applied to predict the ignition time of solid combustibles.
为了准确快速地预测可燃物的着火时间,根据积分方法的思想,推导了预测固体可燃物受线性变化热流作用的着火时间公式。
In addition, the temperature range of elastic abnormality will extend along with the increase in tempering time.
同时,随着回火时间增加,弹性反常的温度范围加宽。
Effect of Tempering Time on Stress Rupture Properties and Microstructure Development of T91 Steels at 625(°C)
回火时间对T91钢625°C持久性能及组织演变的影响
It is estimated that a round-trip flight to Mars would take more than a year and a half .
据估计飞到火星来回的时间要超过一年半。
EFFECT OF TEMPERING TEMPERATURE AND TIME ON MECHANICAL PROPERTY OF NON-QUENCHED AND TEMPERED BAINITIC STEEL
回火温度和时间对贝氏体型非调质钢力学性能的影响
and by measuring the time interval between the taps and the receipt of the echoes,
测出回声间隔的时间，
Check on the time the train leaves.
查一查火车的发车时间。
time for retrofire
制动发动机点火时间
ignition sequence control timer
点火过程控制时间掣
He went to the station to ask about the arrival time of the train
他去火车站打听火车到达的时间。
Just at this instant five or six rifles flashed.
刹时间，五、六枝火枪开火了。
Through the analysis on the experimental results, the regress equations about smoke layer's height change with time were estimated.
通过对实验结果的分析，我们建立了火灾中庭内烟气层填充高度随时间变化的回归方程。
They traveled back in the rush hour and were all packed like sardines in train.
他们正赶上上下班高峰时间回来，在火车上挤得像罐头里的沙丁鱼似的。
I'm phoning my mother that I found you in record time, and that we're coming up on the evening train.
我马上打电话告诉妈妈， 说我以创记录的时间很快找到了你，我们做晚班火车回去。
The aircraft should remain in a hover only as long as is necessary to employ ordnance. Once complete, the pilot should resume normal flight.
飞机只应在尽可能短的必要的开火时间里悬停，完成攻击后立即回复平常的飞行姿态。
Cooling time prediction of hood-type annealing furnace based on fuzzy C-means clustering and least square regression and its application
基于模糊聚类和最小二乘回归的罩式退火炉冷却时间预报及其应用
There is no going back.
时间贷款既不能追回，
What time is he expescted to return?
他预定什么时间回来呢？
There was no time left for him to answer in.
他根本没时间回嘴。
