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- Pitch cokes are prepared by carbonization of mesophase pitch and normal pitch at different pressures. 将中间相沥青和普通沥青在不同压力下进行炭化,分析两种沥青在不同压力下的成焦偏光组织和扫描形貌。
- Both the oxidation resistance and the electrical conductivity of the pitch coke can be improved when a suitable amount of activating agent is added in the coal tar pitch. 用这种煤沥青制得的沥青焦 ,其抗氧化性提高 ,在活化剂加入量适宜时沥青焦的导电性能也有所提高
- Using below 300 mesh special treated petroleum coke and pitch coke as raw materials,passing baking,soaking,graphitizing and lifting purity craft many times,our company produces three high graphite. 采用300目以下特殊处理的石油焦，沥青焦作原料，经多次焙烧、浸渍、石墨化，通过提纯工艺制造的三高石墨具有化学稳定性高、耐腐蚀、耐高温、耐急冷急热等良好性能。
- Study on Slagging in Pitch Coke Waste Heat Boiler Tubes 沥青焦废热锅炉炉管结渣问题的研究
- Method for the determination of the true specific gravity of pitch coke 沥青焦真比重的测定方法
- She has keyed the piano up to concert pitch. 她已经把钢琴的音调升到音乐会的音高标准。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- The coach built the team up to a fighting pitch. 教练使全队振作起来，准备一搏。
- The pitcher tends to pitch the ball too high. 这个投球手常把球掷得过高。
- I bought a cup of coke and some popcorn. 我买一杯可口可乐和一些爆米花。
- They that touch pitch will be defiled. 近墨者黑。
- First, ore is mixed with coke and limestone. 先把铁矿石和焦碳、石灰石混合在一起。
- We planned to pitch our camps in the mountains. 我们计划在山里扎营。
- The speaker brought the crowd to fever pitch. 演讲者激起群众高昂的情绪。
- The fans rushed onto the pitch in an excited mob. 球迷群情激昂，一窝蜂涌进球场。
- Let's pitch out the troublemakers. 把这些捣乱分子赶出去。
- That's only an economy at fever pitch. 那只不过是种过热的经济而已。
- The refuse left when coke or charcoal is made. 焦炭渣，煤屑焦炭或木炭做成后剩下的渣滓
- A high pitch that is lobbed to the batter. 击出高飞球一个过高的冲向击球员的高飞球
- The children were in a high pitch of excitement. 孩子们高度兴奋。
