The RF method shortens the ion extraction time, and increases the ion extraction efficiency. It can also control the plasma density by changing the magnetic field.
共振法缩短了离子引出时间,提高了离子引出效率,并且可以通过对外加磁场的调节来控制等离子体密度。
ConclusionCompared with steam distillation, the supercritical carbon dioxide extraction showed many advantages, such as short extraction time and high extraction yield.
结论与水蒸汽蒸馏法相比较,超临界萃取法具有萃取率高、耗时少等优点。
Extraction solvent, extraction time, and salt density were optimized.
考查了萃取溶剂、萃取时间、盐效应对萃取的影响。
But the ion extraction time does not always decrease with the applied voltage.
但是,离子引出时间并非一直随电压的增加线性减小。
Experimental study of the influence of plasma shielding on ion extraction time.
等离子体屏蔽效应对离子取出时间影响的实验研究。
The extraction time can not serve as the criterion for the lost ratio of collision.
离子引出时间不是判断碰撞损失率的标准。
The effects of extraction time and solvent volume on the seed oil yield were studied.
并讨论了提取时间和提取溶剂体积对出油率的影响。
Conclusion This process was featured by higher extraction rate and shorter extraction time.
结论该工艺方法简单,耗时短,提取率高。
Objective: To establish the relationship equation of yield and extraction time of plant volatile oil.
目的:建立植物挥发油提取量与提取时间关系式。
Effects of derivation time, extraction time and amount of derivation agent on the recovery were discussed.
对样品的衍生化反应时间、萃取时间和衍生化试剂用量对回收率的影响进行了详细的讨论。
Because of the short extraction time, the extraction of unwanted substances such as caffeine and tannin is reduced!
由于萃取时间很短,有一些不希望萃取出来的物质含量就会减少。
Result: The order of factors which affected extracting was: refluxing temperature, extraction time, solvent volume.
结果:对提取率影响主次次序为回流温度、提取时间、溶剂倍量。
The effects of different solvents, solvent amount, extraction time and times, and ultrasonic wave power were explored.
探讨了不同提取剂,提取的剂用量、提取时间、次数及超声波功率对提取效果的影响。
The microwave extraction technique can be used for Chinese material medica as its high effect and short extraction time.
微波提取效率高,提取时间短,可用于中药提取。
Compared with petroleum ether extraction method, the extraction rate from SFE -co2 is higher and extraction time shorter.
并与传统的石油醚萃取法相比较,其萃取时间短,得油率高。
Microwave extraction can shorten extraction time, increase extraction yield, but energy consumption and product cost are high.
微波萃取法可缩短萃取时间,提高提取率,但耗能大,成本高。
The extraction time of microwave was 1/40 of supersonic extraction and extraction rate of microwave is higher than supersonic.
本法提取时间仅为超声波提取的1/40,且提取率高于超声波提取。
Compared with ultrasonic extraction (UE), the amount of extraction solvent and extraction time can be reduced when the UNE was applied.
与传统的超声萃取法相比,超声雾化萃取法具有溶剂用量较小、萃取时间较短的优势。
Compared with traditional extract method, ultrasound method could improve the extraction yield and save extraction time of paprika red.
与浸提法比较,超声提取极大地缩短了提取时间,而且收率有明显提高。
Methods: Soaking time, extraction time and the amount of water added were studied by the orthogonal test with the volatile oil's volume.
方法:采用正交实验法,以提油量为指标,对浸泡时间、提取时间、加水量三种因素进行了研究。
ConclusionThe extraction time has great influence upon the extraction of total flavonoids extracted from Radix Flemingia Philippinensis.
结论水提时间对蔓性千斤拔总黄酮的提取有较大影响。
The effects of extraction temperature, extraction time, extraction times and liquid-solid ratio on the lycopene extraction were developed.
考察了提取温度,提取时间,提取次数,固液比对番茄红素提取的影响。
Results There is a higher extraction rate of percolation, and the microwave extraction method has an advantage of shorter extraction time.
结果渗漉提取率较高,而微波法提取则具有提取时间更短的优点。
And the extraction time has more obvious influence on the process than the pressure, so that the chelating reaction is a rate-control step.
萃取时间比萃取压力的影响更为显著,表明络合反应控制着该过程。
Methods: Use orthogonal test, act the swimming ability, soak time, decoct extraction time as changing factor, select L9 (34) table to conduct test.
方法:采用正交设计法,以加水量、浸泡时间、煎提时间为可变因素,选用L9(34)表进行试验。
The solid-phase microextraction conditions were further optimized by carefully selection of the fibers, the extraction time and the desorption time.
通过对固相微萃取的纤维头、萃取时间和解吸时间的选择来优化其实验条件。
The dynamic adsorption was also investigated, including the rate of resin and reagent, the flow rate, the extraction time and ethanol concentration.
然后对其动态吸附性能进行研究,包括料液比、上样液流速、提取时间及乙醇浓度的确定。
The invention has the advantages of short extraction time, high extraction efficiency, small destroy on active ingredients and environmental protection.
本发明具有提取时间短,提取效率高,活性成分破坏小,绿色环保等优点。
Hot water is forced through the grounds under high pressure, resulting in extremely short extraction time (contact time between the water and the grounds).
热水在高压作用下通过咖啡粉;因此萃取时间非常短(水与咖啡粉的接触时间)。
Conclusion extraction technology of Puerarin by largescale ultrasonic extraction can decrease extraction temperature, reduce extraction time and save energy.
结论中试型超声提取机提取葛根素,可以降低提取温度,缩短提取时间,节省能源。
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