利用水力旋流器对渣油进行高温液固分离,研究了高温工况下渣油的物理性质和石油化学成分对分离性能的影响。
And the influence on the separation efficiency of hydrocyclone was studied owing to the physical property and the petroleum chemical ingredient of the residue.
利用固相微萃取(SPME)、GC - MS研究荔枝鲜果,半干型荔枝干以及焦化的荔枝干的香气成分。
The aromatic components of fresh litchi and dried litchi was studied by SPME and GC-MS in this paper.
利用固相微萃取SPME/GC-MS技术分析了柠檬草的挥发气体成分。
The aroma constituents of Cymbopogon citratus were determined by solid phase microextraction (SPME/GC-MS)for the first time.
以标准石英砂为载体,由酚醛树脂、无机粘土为主要成分制备出有机-无机复合防砂固砂剂。
A new kind of sand condensate was prepared using bakelite and inorganic clay as main ingredients with standard quartz sand as carrier.
固溶工艺的改变对阳极氧化膜的厚度均匀性无显著影响,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.
用顶空固相微萃取,结合气相-质谱联用技术分析了四川郫县豆瓣酱的挥发性香成分。
Flavor components of Pixian pea sauce from Sichuan were analyzed by GC/MS combining with solid-phase micro-extraction (SPME).
设计了用于含有固相颗粒的高温碱介质中的新型高铬铸造不锈钢的组织及化学成分。
The microstructure and composition of a high chromium cast stainless steel used in high temperature aqueous alkali with solid grains were designed.
结论:澄清剂与乙醇沉淀法相比可提高有效成分含量,保持固形物的收率。
Conclusion: Using clarifying agents can increase the rate of the available ingredients reserved and has no effect on the residue received compared with alcohol.
随着固相体积分数的增加,单位面积的颗粒分布密度增大,网络高分子在成分中只占少量,坯体抗弯强度降低。
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.
以42日龄AA肉鸡的胸肉为样品,采用固相微萃取气质联用法分析了AA肉鸡的挥发性香气成分。
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.
目的:比较固相微萃取法与水蒸气蒸馏法提取蜘蛛香挥发油成分的差异。
OBJECTIVE: To evaluate the solid-phase microextraction versus Steam distillation in the extraction of volatile oil in Jatamans Valeriana Rhizome.
本文研究了含有缓蚀成分的快固型有机封孔材料及施工工艺。
This paper studys the rapid solidfy organic sealing materials including inhibitor and its implement process.
考察了不同添加剂对气、固、液产率的影响,并用GC - MS法分析了生物油中有机成分。
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.
方法从主要成分含量、指纹图谱、总固形物得率、除杂试验等多角度不同层次比较分析不同纯化产物与活性部位成分群的相似度和纯化效果。
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.
方法:采用顶空固相微萃取-气相色谱-质谱联用技术分别对青蟹和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.
目的:研究丹参药材中丹酚酸类成分的固相萃取预富集方法。
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).
结果表明,在固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的不均匀性。
The effects of pre-aging treatment on segregation behavire of Ni-based single crystal superalloy CMSX-3 were also studied.
结果表明,在固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的不均匀性。
The effects of pre-aging treatment on segregation behavire of Ni-based single crystal superalloy CMSX-3 were also studied.
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