extraction rate
萃取率;提取速度
2025-10-31 13:07 浏览次数 12
萃取率;提取速度
under experimental conditions, the extraction rate of penicillin g might be controlled by the diffusion process and the diffusion resistance exists mainly in the membrane phase.
实验条件下乳状液膜法提取青霉素的过程属扩散控制,其阻力主要来源于膜相。
the experimental results showed that the extraction rate and mass transfer flux increased with the field strength increasing.
实验结果表明,电场强度的增大可以有效地提高溶质的萃取率,传质通量也随之增大;
results show that the mixed solvent can give high distribution extraction rate for acetic acid wastewater. back extraction rate was 98. 4%.
试验结果表明:混合溶剂对废水中的醋酸有较高的萃取率,反萃取效果为98.4%。
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。
this paper studies how to use rennet in the process of quark by rennet ferment power, quark extraction rate and organoleptic evaluation.
本文以凝乳酶活力、夸克出品率和感官指标为依据,对凝乳酶在夸克生产中的应用进行了研究。
the other solvents that have higher extraction rate are 75% methanol, 75% alcohol and acetic acid successively.
其它提取黄酮类化合物提取率较高的溶剂依次是75 %甲醇、75 %乙醇和冰乙酸。
with the extraction rate from millet oil bran as indexes, the process conditions for extracting millet bran oil by supercritical carbon dioxide was studied.
以谷糠油萃取率为考察指标,对超临界二氧化碳提取谷糠油的工艺条件进行研究。
method observation was made on the effect of pre-treatment, water amount and decoction time on the extraction result, with the extraction rate of amygdaloside as the index.
方法以苦杏仁苷提取率和得膏率为指标,来考查药材前处理、加水量和煎煮时间对苦杏仁苷提取效果的影响。
this method is good for extracting rutin with its high extraction rate and low production cost.
利用此法提取芦丁提取率高、成本低,是一种很好的芦丁提取方法。
the experiment result showed that the extraction rate of lignans from s. chinensis by using supercritical co2 was 1.015%, which was 1.5 times of traditional method.
实验结果表明超临界二氧化碳萃取五味子总木脂素的萃取率为1.015%,是索氏提取法五味子总木脂素的提取率的1.5倍。
under this condition, the protein extraction rate is 70.3%, the oil extraction rate is 79.4%, which is little lower than the traditional extraction technology and the enzymatic extraction method.
在此试验条件下,杏仁蛋白质总萃取率为70.3%。反胶束法萃取油脂的萃取率为79.4%,略低于正己烷浸提及水酶法提取杏仁油的油脂得率。
it is also found that the formation of reversed micelle in the organic phase could improve the extraction rate greatly and the extraction process exhibited obvious dynamic accelerating function.
萃取有机相中反向胶团的形成使萃取率极大提高,还具有明显的动力学加速作用,由此提出了「囊效应」传质理论和数据处理方法。
investigations were conducted on the effect of pectinase maceration on chinese olive juice yield and extraction rate so as to determine the optimum conditions for increased juice yield.
确定了酶法生产橄榄混浊汁的最佳工艺条件,研究了果胶酶对橄榄果汁的产量和提取率的影响。
at last, the application of ultrasonic power extraction system circuit was discussed. the extraction of puerarin was made for 20 minutes and the one time extraction rate reached 98.3%.
最后讨论了超声波功率萃取系统电路的应用,对中药葛根素进行20分钟萃取,一次萃取率达98·3%。
and the allicin extraction rate could be up to 61.2%.
采用该工艺方法大蒜素的总萃取率可达61.2%。
the evaporation loss of 150sn lube base oil were decreased by changing the process conditions. but the extraction rate of lube stock and bulk wax production were effected to a certain extend.
通过改变工艺操作条件降低了150sn润滑油基础油蒸发损失,但对润滑油料拔出率及散蜡生产有一定影响。
the recycled reversed micelles were reused and the results show total extraction rate is 19.8% and trypsin specific activity is 2.8 times.
将回收的反胶束再次用于萃取试验,胰蛋白酶总萃取率达到19.8%,比活力纯化倍数为2.8。
resultssupercritical co2 adding nonionic surfactant mixed system of the polyol could significantly enhance extraction rate of salvianolic acid b.
结果超临界co2萃取中加入非离子表面活性剂的多元醇混合体系可大大提高丹酚酸b的提取率。
results there were some differences in the oil extraction rate and the physicochemical properties.
结果不同产地降香药材中提取的降香油得率和理化性质均存在定的差异。
the extraction rate was 5.7% under the optimum extracting conditions: ethanol 80%, ratio of solid to liquid(w∶v)1∶30, ultrasonic power 185w.
其最佳提取条件为乙醇浓度80%、固液比1∶30、超声功率185w,此条件下总黄酮的提取率为5.7%。
the dissolvability of ethyl acetate in water is more, the extraction rate of 2,3-dibromopro-pionamide is low, and the recovery is low.
由于乙酸乙酯在水中的溶解度较大,用乙酸乙酯萃取2,3-二溴丙酰胺的萃取率较低,使得回收率较低。
objective:compare the extraction rate of rutin in different extraction process.
目的:比较蕓香苷在不同提取工艺下的提取率。
an empirical equation of extraction rate is deduced therefrom, which can be used as the basis of up-scaling.
根据试验结果,归纳出萃取速度的经验方程,为工艺设计提供了依据。