| 1. | Solvent effect on extraction efficiency of chlorogenic acid from the leaves of eucommia ulmodies by ultrasonically assisted extraction technique
超声助提杜仲叶中绿原酸的溶剂效应 |
| 2. | By broking the wall of powdered oils with ultrasonic , the oil extraction efficiency yield was 65 % , which met the need of determining pov
超声波破壁法提油其提油率可达65 %左右，可满足测定要求。 |
| 3. | For improving the extraction efficiency of anthocyanins , inactivate these substances is needed during raw material processing and pigment extraction
在色素提取时要首先将这些活性物质钝化，以提高花青素的产率。 |
| 4. | Analytical formulas for the peak power , pulse energy , pulse width , energy extraction efficiency , repetition rate and average output power are derived
计算出了自调q脉冲的峰值功率，单脉冲能量，脉冲宽度，能量利用率，重复频率，平均输出功率等。 |
| 5. | The respectively and the extraction efficiency of drugs in blood and urine were 95 . 8 - 98 . 5 % ( barbitone 68 . 83 - 69 . 94 % ) , viscera were 83 . 2 - 91 . 2 % ( barbitone 60 . 02 - 67 . 32 % )
5范围内：脏器检材除巴比妥茬取率为60刀2 67 32以外，其余药物革取率均在83二gi二范围内。 |
| 6. | As a result , the sensitivity of method was enhanced . the extraction efficiency , stability , selectivity and quantity capability of c16 - mcm - 41 coated fibers to the samples were investigated
用xrd 、 n _ 2吸附-脱附、元素分析、 ft - ir和荧光光度法对复合材料进行了表征，荧光光度法是本文首次用于介孔复合材料的表征。 |
| 7. | Supercritical fluid extraction ( sfe ) is a sample separation technology and it has the advantages of simplicity 、 good extraction efficiency 、 rapidity 、 great analyte selectivity 、 easy control reduced environmental hazard and so on
摘要超临界流体萃取作为一种样品分离技术具有操作简单、高效、快速、选择性高、易于控制、环境友好等特点。 |
| 8. | Our experiments showed that the methed has many advantages , such as high extraction efficiency , simply process , less pollution , and the cost is smoll etc . but extraction quotiety of the dark brown pigment differ from walnut epicarp of the three made of dryness
色素溶液的吸光度随波长增加而减小的趋势相同，色素的水溶性，耐氧化一还原性，耐光性，盐、蔗糖、金属离子对色素的色泽的影响基本相似。 |
| 9. | Abstract : the total quantity of perylene quinonoids in hypocrella bambusae ( b . et br . ) sacc . , shiraia bambusicola p . henn and culture substance of ascomycetes hypocreacae ( fr ) tul . sp . were determined with spectrophotometric methods . the relative extraction efficiency were studied when ethanol , acetone and chloroform were used as solvents . among them acetone was the best one
文摘:用分光光度法测定了竹红菌、竹黄和菌寄生菌培养物中?醌类化合物的总量；同时研究了以无水乙醇、丙酮和氯仿为溶剂提取?醌类化合物的相对效率，结果发现以丙酮为溶剂最合适。 |
| 10. | For the ld pumped self - q - switched laser , the peak power , pulse energy , pulse width and energy extraction efficiency , which have been influenced by the loss in the cavity , cavity length and the threshold absorption coefficiency of the absorber , have been calculated . then we know how to choose the parameters of the self - q - switched laser for design
根据自调q二极管泵浦固体激光器的特点，计算了腔内损耗、腔长和饱和吸收体的初始吸收系数对于峰值功率、单脉冲能量、脉冲宽度和能量利用率的影响，并由此提出了设计自调q激光器中的参数选择规律。 |
