相比目前使用的水或甲醇溶剂纯化收率30％，发现以丙酮、乙酸、水的溶剂体系，精制更昔洛韦收率可显著提高到83.3％，高效液相色谱（HPLC）分析，产品纯度达到99.0％以上。
Ganciclovir could be purified to more than 99.0%(HPLC) by a combination of acetone, acetic acid and water in 83.3% recovery as compared with 30% one when using water or methanol as solvent.
研究结果表明，在适宜的工艺条件下，通过加氢精制可克服直馏柴油实际胶质超标问题，同时降低硫含量。
The study result showed that hydrofining can solve the problem of diesel oil actual colloid exceeding standard and decrease sulfur content meanwhile under the suitable technology condition.
以重油催化裂化装置生产的重组分油为原料，采用二次脱沥青精制工艺，可制备二元族烃型橡胶增塑剂。
The dual-group hydrocarbon type rubber plasticizer was prepared using the heavy components in the production of heavy oil catalytic cracking by secondary deasphalting process.
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