• 我们建议测试用量为聚合物有效成分1-3%。

    It is recommended that the experimental dosage is 1-3% of active contents.

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  • 利用水力旋流器对渣油进行高温液分离,研究了高温工况下渣油物理性质石油化学成分分离性能的影响

    And the influence on the separation efficiency of hydrocyclone was studied owing to the physical property and the petroleum chemical ingredient of the residue.

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  • 利用相微萃取(SPME)、GC - MS研究荔枝鲜果,半型荔枝干以及焦化的荔枝干香气成分

    The aromatic components of fresh litchi and dried litchi was studied by SPME and GC-MS in this paper.

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  • 利用微萃取SPME/GC-MS技术分析了柠檬草挥发气体成分

    The aroma constituents of Cymbopogon citratus were determined by solid phase microextraction (SPME/GC-MS)for the first time.

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  • 通过组成成分分析发现,落地油泥含量最高主要沙土为主;

    By ingredient analysis, we find that main composition of the oily sand is sand.

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  • 标准石英砂载体,由酚醛树脂、无机粘土主要成分制备出有机-无机复合防砂剂。

    A new kind of sand condensate was prepared using bakelite and inorganic clay as main ingredients with standard quartz sand as carrier.

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  • 溶工艺改变对阳极氧化厚度均匀显著影响,氧化膜自身的成分结构决定了其膜层厚度的均匀性。

    The change of heat treatment had no obvious effect on the uniformity of thickness, which was detected by the composition structure of the films.

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  • 用顶空相微萃取,结合相-质谱联用技术分析了四川郫县豆瓣酱挥发性成分

    Flavor components of Pixian pea sauce from Sichuan were analyzed by GC/MS combining with solid-phase micro-extraction (SPME).

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  • 设计了用于含有颗粒高温介质中的新型铸造不锈钢组织化学成分

    The microstructure and composition of a high chromium cast stainless steel used in high temperature aqueous alkali with solid grains were designed.

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  • 结论澄清乙醇沉淀法相比提高有效成分含量,保持形物收率。

    Conclusion: Using clarifying agents can increase the rate of the available ingredients reserved and has no effect on the residue received compared with alcohol.

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  • 随着相体积分数增加,单位面积颗粒分布密度增大网络高分子成分少量抗弯强度降低

    With the increase of solids loading, the particle density increases and the bending strength of green body decreases for the network polymer accounting for only a small amount of the composition.

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  • 42日龄AA肉鸡为样品,采用微萃取气质联用法分析了AA肉鸡挥发性香气成分

    Volatile flavour compounds in the breast meat of 42-day-old AA chicken were analyzed by headspace solid phase microextraction(HS-SPME) combined with GC/MS method.

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  • 目的比较微萃取法与水蒸气蒸馏法提取蜘蛛香挥发油成分差异。

    OBJECTIVE: To evaluate the solid-phase microextraction versus Steam distillation in the extraction of volatile oil in Jatamans Valeriana Rhizome.

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  • 本文研究了含有缓成分有机封孔材料施工工艺

    This paper studys the rapid solidfy organic sealing materials including inhibitor and its implement process.

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  • 考察不同添加剂产率影响并用GC - MS法分析生物油有机成分

    The effects of different additives on the yields of gas, solid and liquid were studied and the composition of organic components in bio-oil was analyzed by GC-MS.

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  • 研究了浸入式微萃取检测(DI -SPME)中国白酒风味成分方法。

    The direct immersion-solid phase microextraction (DI-SPME) for analysis of Chinese liquor was studied.

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  • 方法从主要成分含量指纹图谱、总形物得率、除杂试验多角度不同层次比较分析不同纯化产物与活性部位成分相似度和纯化效果。

    METHODS: Screening the purification condition by means of the content of active principle, fingerprint chromatography, the yield of dry extracts, et al. of the purified product.

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  • 方法:采用顶空萃取-色谱-质谱联用技术分别湖蟹肉挥发性成分进行分析。

    Methods: The volatile compounds of Samoan crab and Chinese mitten crab meat were analyzed by gas chromatography-mass spectrometry with solid phase microextraction technique.

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  • 目的研究丹参药材酸类成分萃取预富集方法

    AIM: To apply the solid phase extraction (SPE) on salvianolic acids in Radix Salvia Miltiorrhizae by means of high performance liquid chromatography with mass spectroscopic detector (HPLC MSn).

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  • 结果表明,溶与时效处理中间加入预时效处理可有效消除单晶合金组织与成分不均匀性。

    The effects of pre-aging treatment on segregation behavire of Ni-based single crystal superalloy CMSX-3 were also studied.

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  • 结果表明,溶与时效处理中间加入预时效处理可有效消除单晶合金组织与成分不均匀性。

    The effects of pre-aging treatment on segregation behavire of Ni-based single crystal superalloy CMSX-3 were also studied.

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