BPA can leach from polycarbonate plastic bottles when it comes into contact with hot liquids and from regular wear and tear. 当聚碳酸酯塑料水壶接触到热的液体和有正常的磨损的时候,其中的BPA就会渗出来。
The hot tear was often in his magnanimous ruddy-brown eye. 他那双豪爽的红褐色眼睛里,不是也常常热泪盈眶么?
See every time or hear their achievement, I always can flush hot tear. 每当看到或听到他们的事迹,我总会涌出热泪。
If it is hot tear of the transfer paper, hot stamping is completed, please immediately transfer paper torn off. 如果是热撕的烫画纸,烫印完毕请马上将烫画纸撕去。
Experimental results show that the chemical composition of molten steel has the decisive effect, whereas inclusions and pouring temperature also has remarkable influence on hot tear formation. 结果表明,在众多的影响因素中,钢水的化学成分对热裂的形成有决定性作用,而夹杂物和浇注温度对热裂的形成也有明显的影响。
The influence of chemical composition, inclusion and Pouring temperature on the tendency of hot tear formation of A3 steel is analyzed based on high temperature mechanical property and hot tear ring testing for continuous casting of small square billets used as common material A3 steel. 通过对连铸小方坯的常用材料A3钢的高温力学性能的测定、热裂环试验,分析了化学成分、夹杂物、浇洼温度对其热裂倾向的影响。
The stress field was simulated based on semi-solid mechanical and rheological behaviors, and in turn the potential defects, including shrinkage porosity, shrinkage hole, hot tear and deformation tendency during solidification process were predicted to realize the design optimization of casting process for the castings. 根据准固态力学行为和流变行为,进行应力场模拟,进而预测铸件在凝固过程中产生缩松、缩孔以及热裂和变形等倾向,合理地实现了铸件的铸造工艺优化设计。
The hot tear rate in the experimental parts is decreased from 27% ( before die structure modified) to 6% ( after modified, such as enlarging dross trap). 试验铸件的热裂率由模具修改前的27%降低至修改后(扩大集渣包)的6%。
Some effective measures to prevent hot tear, including avoidance of liquid metal to impact mold cavity and of casting-sprue-runner to form rectangular structure, were proposed during design of gating system. 在浇注系统设计时,避免金属液冲击型腔,避免铸件直浇道横浇道形成框形结构等也是避免热裂的有效措施。
Design of Rational Pouring Scheme to Avoid Hot Tear and Deformation in Castings-the Second Series of Lectures on Design of Investment Casting Scheme 设计合理的浇注方案以避免铸件热裂和变形&熔模铸件铸造方案设计系列讲座之二
Research Development of Hot Tear Mechanism for Cast Alloys 合金的热裂机理及其研究进展
The solidification and hot tear behavior of the alloy were studied by optical microscopy, SEM and probe. 并通过金相观察、扫描电镜和电子探针对合金的凝固、热裂行为进行了研究。
The effects of die structure on hot tear tendency of Al-Cu alloy in squeezing casting have been investigated, and the feeding mechanism of dross trap used for hot spot in die in squeezing casting has been discussed. 研究了模具结构对挤压铸造Al-Cu合金热裂倾向的影响,探讨了挤压铸造模具中集渣包对铸件热节提供有效补缩的机理。
Testing the Trend of the Hot Tear of the Thin wall Steel Casting by the Hot Tear Sample 用裂纹试样测试薄壁铸钢件的热裂倾向
Hot tear Dimensionless Criterion for Relative Stress Gradient and Frequency Factor 热裂的相对应力梯度和频率因子无量纲判据
Effects of Investment Casting Processing on Hot Tear of Ni_3Al Thin Wall Castings and Numerical Simulation Ni3Al基合金薄壁件精铸工艺对热裂缺陷的影响及其数值模拟