The cracking stock makeup, running period of plant, energy consumption, and their effects on the production cost are analyzed.

对裂解原料结构、装置的运行周期和能耗及其对乙烯生产成本的影响进行了分析。

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Tests show that rubber oil can be obtained with KT solvent refining, and the by-product can be used as catalytic cracking stock.

通过实验证明，KT液溶剂精制工艺能生产出橡胶用油，其副产物抽余油可作为催化裂化原料。

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The results show that cracking properties of NGL are much better than those of naphtha and NGL is a high quality cracking stock for producing ethylene.

结果表明：凝析油的裂解性能优于石脑油，是制乙烯的一种优质原料。

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Cracking down on naked short-selling, however, is even more crucial in preventing stock manipulations that would damage the market.

FORBES: Intelligent Investing Briefing Book