| 1. | The exact inception of the use of poly tubes in the united states is unknown .
人们并不知道美国开始使用塑料管的确切时间。
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| 2. | Graphite and even its linear counterpart, poly (p-phenylene) are too insoluble, infusible, and brittle .
石墨甚至其线性物聚苯，过于不溶，不溶和发脆。
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| 3. | Water is collected in the 30ml poly bottles in the field and screw-capped ready for future treatment .
水样用30毫升的聚乙烯瓶的野外采集，拧紧螺旋盖以备进一步处理。
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| 4. | Different alleles may be acquired within the inverted segment after the inversion poly morphism is established .
在倒位多形性形成后，在倒位的区段内可能获得不同的等位基因。
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| 5. | Study on harmful effects of poly - drug abuse
（三）滥用多种药物的祸害研究计划；
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| 6. | Inner tent 190t air permeable waterproof poly taffeta
内帐： 190t透气防泼水涤丝纺
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| 7. | Product condition analyse of poly - - glutamic acid condition
谷氨酸发酵的条件分析
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| 8. | Used batch - poly plants polyester polymerization
二手间歇聚合装置聚酯切片生产
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| 9. | The synthesis and thermal stability of poly
对聚丙交酯的合成和热稳定性进行了研究。
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| 10. | Plastics - determination of ash - poly vinyl chloride
塑料.灰分测定.聚氯乙烯
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