萃取效率

最后，在众多光萃取机制中，寻找出光萃取效率之最佳值以及最佳结构参数。

Finally , we present the optimum structure parameters for the enhancement light extraction efficiency of GaN-based LEDs .

塑料成品的萃取效率可达到90%以上，样品在密封容器内至少可保存14d。

The extraction efficiency reached above 90 % .

结果：SFE时改性剂对萃取效率的影响最大；

Results : The influence of modifier on extraction rate in SFE was the most .

分析了萃取效率与震荡时间、不同种类的无机酸浓度和萃取剂浓度的关系及F-对Pa溶剂萃取的影响。

The extraction efficiency of protactinium is measured under the conditions of shaking time , concentrations of different acid and extractant concentrations . The effect of F ~ - is also investigated .

并研究了混合强度、pH值等对萃取效率的影响，测定了油水两相中酚浓度的平衡曲线.研究结果表明，采用焦化柴油对这一含酚废水进行处理是可行的。

The effect of mixing level and PH value on the extracting efficiency was studied , and phase equilibrium curve of phenol in Oil and acter was determined . The result showed that this method is feasible for pretreating above wastewater .

对溶剂脱沥青产品的性质分析发现，掺炼少量的煤焦油可以提高渣油中饱和分和芳香分等组分的萃取效率以及改善DAO的催化裂化性能。

Based on analyzing the properties of SDA products , we found that blending with small addition ratio of coal tar can increase the extraction efficiency of light component and improve the catalytic cracking performance of DAO .

实验中主要对影响萃取效率的穿透体积、洗脱溶剂、水样pH值、水样流速、洗脱剂体积、洗脱速率、有机改性剂等进行了优化，得到了最佳萃取条件。

Experimental parameters influencing the performance of extraction , such as the pH value of water sample , load speed , breakthrough volume , eluting solvent , eluting volume , eluting rate , etc. were optimized . Under the optimized conditions , the actual water samples were tested .

结果：发现DSS，SDS，SHS及CMC-Na分别能够提高萃取效率246.8%，123.4%，83.0%和53.2%，前3者与CMC-Na比较均具有非常显著性差异（P<0.01）。

Results : DSS , SDS , SHS and CMC Na enhanced the efficiency of SFE by 246.8 % , 123.4 % , 83.0 % and 53.2 % respectively , which was due to their molecular structure , the more liposoluble parts they have , the higher the efficiency .

结果表明：ULLE方法具有操作简便、快速、节能、萃取效率高、重现性好等特点，适合于烟用香精成分的提取。

The results showed that the ULLE method has characteristics of convenience , rapidity , less cost of energy , high extraction efficiency and good repeatability , which is suitable for the extraction of tobacco flavoring components .

结果表明：该涂层提供了大的比表面积，可获得高的萃取效率。

The coating provided high surface areas and allowed high extraction efficiency .

盐的存在会降低Aliquat336的萃取效率；

The existence of salt can reduce D rapidly .

以水作夹带剂可以提高除虫菊酯萃取效率。

The water as cosolvent could enhance extraction efficiency .

以水作为夹带剂可有效提高天津冬菜中呈色物质的萃取效率。

And water as cosolvent can improve the efficiency of extraction of present-color materials .

提高糠醛装置萃取效率的探讨

Discussion on improving extraction efficiency in furfural unit

回收率与分析方法可变限度的萃取效率有关。

Recovery pertains to the extraction efficiency of an analytical method within the limits of variability .

萃取效率定律的证明

Demonstration of law of extracting efficiency

该技术较高的萃取效率及温和的操作条件保证了药物成分分析制样的要求；

The effective extraction efficiency and mild operation condition guarantees the medicine component analysis and samples producing .

目的以替诺昔康为研究对象，考察不同填料固相小柱的萃取效率，从而确定固相萃取替诺昔康血浆样本的实验方法。

OBJECTIVE To optimize the solid phase extraction method by comparison of the extraction recovery of tenoxicam plasma samples .

该方法详细研究了影响浊点萃取效率的几种主要因素。

The method was also studied several main factors which influenced the efficiency of cloud point extraction in detail .

研究了表面活性剂、盐、平衡时间及平衡温度对浊点萃取效率的影响。

The effects of surfactant , salt additive , equilibration time and the equilibration temperature on extraction efficiency were studied .

为此，本文提出通过对传统筛板塔内降液管结构的改造，使塔内连续相流动结构得到改善，进而提高塔的萃取效率。

So in this paper , the structure of column has been modified to improve the continuous phase flowing pattern , which can also increase the efficiency .

此外，还比较了两路层流和三路层流对于萃取效率的影响，建立了基于扩散距离的萃取模型。

In addition , we compared the efficiency of extraction in two-stream and three-stream laminar flow . A theoretical model based on diffusive length was also established . 5 .

今后如果能在提高萃取效率方面取得进展，超临界流体萃取有可能成为一种从秋橄榄果实中制备番茄红素的技术选择。

If a progress can be made in the improvement of extraction efficiency , supercritical fluid extraction will be an alternative to extract lycopene from the fruit of autumn olive .

考察了主要因素如表面活性剂的浓度、磁性纳米颗粒的量、吸附时间及解吸附条件等对萃取效率的影响。

The main factors influencing the extraction efficiency including the amount of surfactant , the concentration of MNPs , the shaking time and the desorption ability of organic solvents were investigated and optimized .

对影响一滴溶剂萃取效率的萃取溶剂、萃取时间、萃取温度、搅拌速度、溶剂体积、水样体积以及离子强度进行了优化。

Factors that affect the efficiency of One Drop Extraction such as extractive solvents , extractive time , extractive temperatures , stirring speed , solvent volume , water sample volume and ionic strength are optimized .

方法按照有关检测方法的研制规范的要求，研究了色谱条件的选择、样品的处理方法、回收率试验、萃取效率试验、方法的线性范围及检出限、方法的精密度等指标。

[ Methods ] Study was carried out on such indexes as chromatography condition , sample disposal , recovery rate test , extraction efficiency test , linear range , detection limit and accuracy of the method .

与产率较佳的乙醇加热回流法和酶解后碱水回流法相比，微波法的萃取效率是前者的100倍，是后者的83倍，且萃取率是三者中最高的。

The efficiency of microwave extraction is 100 times more than reflux extraction with heat ethanol , 83 times more than lye reflux after zymohydrolysis , and it 's production is the highest among three methods .

微乳液膜具有稳定性好、无明显溶胀和泄漏、萃取效率高、可自动破乳且油相可重复使用等优点。

The experimental results showed that microemulsion liquid membrane exhibited several advantages including good stability , low leakage and swell , high efficiency of extraction , easy demulsification , but the recovered oil phase can be recycled .

对微库仑法测定原油盐含量的影响因素进行了研究，结果表明：在测量过程中影响结果准确性的因素主要有原油的预处理、萃取效率、电极质量以及干扰物质等。

The factors affecting determination of salt in crude oils were studied with micro-coulometric method . The result showed that the pretreat of crude oil , extraction efficiency of salt , electrode quality and interfere materials were the main factors that affect accuracy of final results .

在研究IS-RPB转速和撞击流初速对萃取级效率影响的基础上，确定了最适宜操作条件。

Based on the studies of the effects of main parameters on mass transfer stage efficiency , the optimal operating factors were obtained .