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- The present of small amount of fine graphite enhances the roll's resistanc ot spalling, thermal crack and wearability. 加上有少量细小,不仅提高了轧辊抗剥落性,抗热裂性和耐磨性能,而且辊身工作层硬度落差很小。
- The process of impurity removing from fine silica powders with thermal crack method is investigated by means of DTA and XRD. 通过显微镜观察和X-射线衍射分析方法,研究用热爆裂法除去二氧化硅微粉中杂质的过程。
- The melting welding would result in the thermal crack and cannot be used to bond the big and bended parts due to the low welding depth. 铍的熔化焊由于热影响区对热特别敏感及焊接裂纹等而存在很大困难。
- The existence of small amount of fine graphite enhances the roll's resistance to spalling,thermal crack and wear ability. 加上有少量细小石墨存在,不仅提高了轧辊抗剥落性、抗热裂性和耐磨性能,而且辊身工作硬度落差很小。
- I was attending a seminar on thermal cracking of concrete today. 上班途上的短短十多二十分钟,总会看书,每天逐点逐点的,很快便看完一本。
- The thermal cracking threshold of fine sandstone is determined primarily. 实验初步确定了细砂岩的热破裂阈值及其热破裂规律。
- Good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel. 具有优良的韧性和抗热烈纹能力;适用于预精轧机架和热轧螺纹钢.
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- Some manufacturers use fiber reinforcement to control plastic shrinkage and thermal cracking. 一些生产商使用纤维增强来控制塑性收缩和热胀开裂。
- This lower cost and higher efficiency approach quickly replaced thermal cracking in oil refineries around the world. 这种低成本,高效率的技术很快在世界范围的原油精练行业中取代了热裂化技术。
- Metallographic examination and analysis are conducted for the cracks of different kind of grey iron.The results are showed, there are existing some thermal crack which caused by cubical-expansion. 摘要通过对不同类型灰铸铁件中的裂纹进行金相检验和分析,认为,该类铸件中存在一种由于体积膨胀而造成的热裂纹。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- High binder content, good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel. 粘结剂含量高,具有优良的韧性和抗热烈纹能力,适用于预精轧机架和热轧螺纹钢。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- High binder content,good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel. 粘结剂含量高;具有优良的韧性和抗热烈纹能力;适用于预精轧机架和热轧螺纹钢.
- You'll crack up if you go on working so hard. 你继续这样拚命干下去,身体会吃不消的。
- When cis pinane was converted completely, the selectivity of dihydromyrcene was over 50% while that of thermal cracking is much lower. 从顺式蒎烷裂解得二氢月桂烯,粗产物直接水合制二氢月桂烯醇。
- Have another crack at solving this puzzle. 再试一试把这个难题解决了吧。
- There are four primary ways to make biodiesel direct use and blending, microemulsions, thermal cracking and transesterification. 生物柴油生产方法主要有:直接使用和混合法、微乳法、热裂解法和酯交换法等。
- The reservoir bitumen was formed and precipitated in the porosity of the reservoir rock from the oil by thermal cracking, weathering and deasphalting. 储层沥青对储层的储集性能有重要影响,它可以大大降低储层的孔隙度和渗透率,改变储层的孔隙结构,甚至可以完全堵塞孔隙,形成圈闭的遮挡层。