超声波萃取,ultrasonic extraction
1)ultrasonic extraction超声波萃取
1.The fluoride content in tea was determined byultrasonic extraction and ion-selective electrode method.采用100℃的去离子水冲泡茶叶,以超声波萃取-离子选择电极法测定茶叶中氟含量的方法进行试验,结果表明:该测定方法的回收率在97。
2.For theultrasonic extraction,they are as follows: petroleum ether as extraction solvent,mass ratio of raw material to extrac.98%;超声波萃取最佳工艺参数为:溶剂为石油醚,物料与溶剂的质量比为1:7,浸泡时间为24h,油脂提取率达38。
3.A method for the determination of free-formaldehyde in adhesives byultrasonic extraction,2,4-dinitrophenylhydrazine derivatization,and gas chromatography coupled with electron capture detection(GC-ECD) has been developed.采用超声波萃取胶粘剂中游离甲醛,经2,4-二硝基苯肼衍生后用气相色谱-电子捕获检测器法测定。
英文短句/例句
parative Study on Extraction of Salvianolic Acid B from Salvia miltiorrhiza Bge by Microwave-assisted Extraction and Ultrasonic Extraction微波辅助萃取与超声波萃取丹参中丹酚酸B的比较研究
2.Application of Ultrasonic Extraction for Speciation Analysis of Heavy Metal in Sediments超声波萃取法用于沉积物中重金属的形态分析
3.Rapid and simultaneous analysis of pesticide residues in leafy-vegetables by solvent ultrasonic extraction-liquid chromatography-electrospray tandem mass spectrometry超声波萃取-高效液相色谱-串联质谱快速检测叶菜中残留农药
4.Separation and determination of toosendanin in the bark of melia toosendan sieb.et zuccc.by improved transonic extraction and HPLC separation改良超声波萃取-高效液相色谱法分离、检测川楝树皮提取物中川楝素
5.Effect of Ultrasound-microwave Treatment on Extracting Rate of Ganoderma lucidum Polysaccharides超声波-微波协同萃取对灵芝多糖提取率的影响
6.Ultrasound-assisted Extraction and Microwave-assisted Extraction for Flavones from Euonymus Alatus Sieb;超声波及微波辅助萃取鬼箭羽中黄酮类物质
7.Removing Sulphur in Coal by Extraction and Oxidation under Ultrasonic and Microwave;超声波和微波联合萃取和氧化脱除煤中硫
8.Ultrasound-assisted Extraction And Antioxidation Stability of SPO蚕蛹油超声波辅助萃取及其抗氧化稳定性研究
9.Furfural Strengthening Extraction With Auxiliary Assist of the Ultrasound超声波辅助作用下糠醛强化萃取的研究
10.Microwave and Ultrasonic-assisted Extraction of Flavonoids from Radix pueraria葛根总黄酮的超声微波双辅助萃取研究
11.Backward Extraction of Rapeseed Protein through Reverse Micelle System Assisted by Sonication超声波辅助反胶束提取菜籽蛋白后萃研究
12.Utilization of ultrasound in using AOT reverse micelle超声波技术在AOT反胶束萃取中的应用研究
13.Optimization of Ultrasonic-Aid Oil Extraction from Moringa Seeds超声波辅助溶剂萃取辣木籽油条件优化
14.Study on extraction of polysaccharide from carrot by cellulase enzymatic hydrolysis with ultrasonic technology纤维素酶超声波法萃取胡萝卜多糖工艺的研究
15.Studies on Extraction Technology of Cholorogenic Acid From Flos Lonicerae Using Ethy Acetate Assisted by Ultrasonic超声波辅助乙酸乙酯萃取金银花中绿原酸
16.A Comparison of Microwave, Ultrasonic Wave and Their Combined Extraction Technology of the Total Alkaloid from Phellodendron微波、超声及其联用萃取黄柏中总生物碱的研究
17.Study on extraction and antioxidant activity of polysaccharides from ginkgo residue by ultrasonic wave and microwave银杏渣中多糖的超声波—微波协同萃取及抗氧化性研究
18.Study on Ultrasound-microwave Extraction Process of Ferulic acid from Anoectochilus Roxburghii by Orthogonal Experiment正交优化超声-微波协同萃取金线莲中阿魏酸的工艺研究
相关短句/例句
ultrasonic wave extraction超声波萃取
1.A method for the determination of hydrocarbon in soils by combining different extractant solvents,hexane,petroleum ether and dichloromethane : hexane (1∶2,V/V) with spectrofluorimetry is described,and to get the validity of the method,Hydro-carbon pollutant in 93 soil samples of typical coal mine was determined quickly byultrasonic wave extraction and fluorescence spec-trum.探讨了正己烷、石油醚及二氯甲烷∶正己烷(1∶2,体积比)混和液三种溶剂浸泡或超声波萃取与荧光光谱相结合测定土壤中荧光烃类污染物的方法,并为了验证方法有效性,对典型煤矿区93个土壤样品中的荧光烃类进行了快速检测。
2.The result of quantitative analysis of chlorophyll in the extract with spectrophometric method indicates that compared to the common method of maceration extraction using organic solventultrasonic wave extraction not only provides higher production and faster extraction but also has the advantage of needless heating.结果表明,与常用的有机溶剂提取法相比,超声波萃取法不仅萃取率高、速度快、效率好,而且是室温提取,无需加热,节约能源。
3)supersonic extraction超声波萃取
1.Determination of polycyclic aromatic hydrocarbons in tyre usingsupersonic extraction coupled with gas chromatography/mass spectrometry;超声波萃取—GC/MS法测定橡胶轮胎中的多环芳烃
2., traditional Soxhletextraction, microwave-assisted extraction andsupersonic extraction.用索氏萃取法、微波萃取法、超声波萃取法三种方法对比研究了影响提取高粱红色素的各种因素:即溶液的酸碱性、提取温度、时间、功率、液固比。
pared with conventional extraction(CE)using vibration,the time forsupersonic extraction(SE)of first four speciation fractions for heavy metals was shorter than that taken for CE;and the extraction efficiency was104%～1120%higher than the CE.结果表明,用超声波萃取重金属的前4步形态所需时间比Tessier法的常规振荡萃取短,且萃取效率高,Cu、Ni和Mn的第1和2形态部分的萃取效率是常规振荡萃取的104%～1120%。
4)ultrasonic-assisted extraction超声波辅助萃取
1.Preparation methods of soybean isoflavones including solvent extraction,supercritical CO2 fluid extraction,ultrasonic-assisted extraction,microwave extraction were compared.超声波辅助萃取法快速、价廉、提取率高,但工业化生产还需进一步研究。
2.METHODS:Employing the technology ofultrasonic-assisted extraction and the method of orthogonal experiment to optimize the extracting technology of ferulic acid.方法:采用超声波辅助萃取法进行阿魏酸的提取,运用正交实验方法对影响阿魏酸提取的条件进行优化,同时采用高效液相色谱法进行分析检验。
5)ultrasonic aimed exraction超声波协助萃取
6)Ultrasonic extraction超声萃取
1.Research on ultrasonic extraction of ginkgolic acids in the testa of Ginkgo Biloba L.;超声萃取银杏外种皮中白果酸工艺研究
2.After the tobacco was simply treated by ultrasonic extraction using methanol/water(4∶1,V/V) and filtration,the obtained liquid sample was analyzed by HPLC(using) hypersil ODS column(4.烟草样品用甲醇/水(4∶1,V/V)超声萃取,过滤,上样。
3.Ultrasonic extraction of hexachlorobenzene(HCB) from sediments was studied in this paper.研究了沉积物中六氯苯的超声萃取条件,并采用气相色谱进行定量分析。
延伸阅读
CLY-1型超声波在线粒度分析仪CLY-1型超声波在线粒度分析仪黔CLY一l型超声波在线粒度分析仪
