Almost all of the global supply of helium is located within 250 miles of Amarillo, Texas; it's distilled from accumulated natural gas and extracted during the refining process.
几乎全部所有的氦都由德克萨斯州阿马里洛市方圆250英里的地区供应；它是通过从积聚的天然气中蒸馏并在精炼中萃取而来的。
The filtration has been employed widely to remove all impurity solid from syrup in the refining but lower in the capacity and greater in the consumes will be the case.
炼糖中澄清固液分离一直多采用全过滤法，但该法存在生产能力低、消耗高的缺点。
Refining markers published by BP and Valero as well as the generic crack spreads calculated from futures prices are all for the gross margin obtained from turning crude into products.
BP及Valero所发布的炼厂利润指标，以及由期货价格推算的一般裂解价差，均为将原油炼制为油品当中所取得的毛利。
All her students have high regard to her passion and devotion as they all acquired much inspiration from her in calligraphy as well as its positive input in refining personal temperament.
所有受她教导的学生，不约而同认为钟老师是一位热心、认真教学的老师，而且都会感染到她对书法的热情及体会书法对提升个人修养的影响。
All her students have high regard to her passion and devotion as they all acquired much inspiration from her in calligraphy as well as its positive input in refining personal temperament.
所有受她教导的学生，不约而同认为钟老师是一位热心、认真教学的老师，而且都会感染到她对书法的热情及体会书法对提升个人修养的影响。
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