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回收率
    Test for recovery with 5 simulated samples gave results of recovery in the range of 93.3%-105.5%.
    用5个模拟样进行回收率试验,5个元素的回收率结果在93.3%~105.5%之间。
    In the test for precision and recovery of this method RSD′s(n=7) obtained for CRXZ was 1.28% and for ACAP was 0.84%,and average recoveries were 100.0% for both constituents.
    精密度及回收率试验所得结果的RSD(n=7)值为1.28%(CRXZ)及0.84%(ACAP),两者的平均回收率均为100.0%。
    Tests for precision and recovery were made,and the values of RSD(n=6) obtained was 1.8% and of recovery in the range of 97%-105%,which were comparable with the gas chromatographic method.
    检测波长280 nm。 相对标准偏差为1.8%,回收率在97%~105%之间。
    In the analysis of samples of amikacin injection and human urine,values of RSD less than 1.5% were obtained. Results of recovery tests found were in the range of 99.7%-100.3%.
    方法用于市售药物及人体尿液中阿米卡星含量的测定,所得测定值的RSD均小于1.5%,回收率试验的结果在99.7%~100.3%之间。
    In its application to the determination of copper in rice,RSD′s(n=6) found were less than 2%,and the values of recovery test obtained by the standard addition method were in the range of 96.6%-98.7%.
    将此方法应用于测定大米中铜,根据6次测定结果算得相对标准偏差小于2%。 用标准加入法进行回收试验,测得回收率在96.6%~98.7%之间,试验了31种共存离子对测定的影响。
    It is proved that the optimum condition is 5 cm of cadmium column height,9.15-9.78 of ammoniacal buffer pH and 2-3 times of content of cadmium column of washing drip. The deoxidization efficiency and recovery rate are satisfying.
    结果表明,当镉柱高度为5 cm,氨缓冲溶液pH 9.15-9.78,水洗脱液2-3倍于镉柱容积时,还原效率及回收率都较高。
    The results indicated that the optimum decolorization effect was obtained from the treatment conditions of 1% active carbon powder under conditions of decolorization temperature 40℃ and adsorption time 30 min. The decolorization rate reached 93.25% and the recovery rate of zein was up to 91.42%.
    结果表明:粉末活性炭用量1%,脱色温度40℃,吸附时间30min,醇溶蛋白提取液脱色效果明显,脱色率达到93.25%,醇溶蛋白回收率为91.42%。
    Results:The linear range of rutin was 0.2435~1.2175μg,r=0.9996,The average recovery was 101.3%,RSD1.1%,Conclusion:The method was simple,rapid,and accurate and suitable for the detection of Zhi Su-ning tablet.
    结果:芦丁在0.2435~1.2175μg范围内呈线性关系,r=0.9996,平均加样回收率为101.3%,RSD为1.1%。 结论:操作简便,结果准确,重现性好,可以控制痔速宁片的质量。
    After the pre-oxidation of intensified alkaline leaching under normal temperature and pressure,the dissolution of gold by NaCN was enhanced to 85.85%,and the adsorption recovery by activated charcoal was 99.62%.
    采用常温常压碱性强化预氧化工艺处理后,金的浸出回收率提高到85.85%,炭吸附率99.62%。
    The experimental results showed a good linear relationship between the peak aera and the concentration of standard samples. The average recovery for standard samples was 95 %~98 %, and the relative standard deviations was less than 5 %(n=5), and the limit of detection for tyrosol and tryptophol were 0.05 mg/L and 0.01 mg/L respectively.
    采用的多极校正标准线性关系良好,样品加标平均回收率为95%~98%,RSD均小于1.5%(n=5),方法检出限分别为0.05mg/L(酪醇)和0.01mg/L(色醇)。
    In this techniques,high recovery efficiency of glyphosate as much as 95% was obtained and removal rate of COD was above 95%.
    该工艺草甘膦回收率达到95%,废水COD去除率大于95%,实现了草甘膦废水的资源化.
    The average recovery rate and coefficients of variation were 83.42%~96.47% and 2.95%~4.04% respectively,the detecion limits of imidacloprid was 0.001 5 mg·kg-1.These results showed that the accuracy,precision and sensitivity of the method accord with the demands of residue analysis of pesticide.
    结果表明,吡虫啉回收率为83.42%-96.47%,变异系数为2.95%-4.04%,最低检出浓度为0.001 5 mg. kg-1.该方法的准确性、精确性以及灵敏度均达到农药残留分析的要求.
    Results show that: 1) when the method of ammonium sulfate salting-out is applied to purify phycoerythrin from porphyra yazoensis crude extracts with an absorbance ratio(OD 561 /OD 280 ) of 0.365, a product with OD 561 /OD 280 of 0.45 and recovery yield of 67.33% is obtained .
    结果显示:1)对藻红蛋白纯度(以OD561/OD280表示)为0.365的条斑紫菜粗提物采用盐析法沉淀藻红蛋白时,得到藻红蛋白的纯度为0.45,回收率为90.53%;
    2) ultrafiltration with WM 50 000 Da is used for desalting and going out small molecule hetero-protein from salting-out-yield of phycoerythrin, making purity(OD 561 /OD 280 ) of phycoerythrin reach 0.74 and recovery rate reach 93.11%.
    2)采用截留分子量为5万Da的超滤膜对藻红蛋白盐析物进行脱盐和出去小分子杂蛋白处理,得到的藻红蛋白的纯度为0.74,回收率为93.11%;
    3) hydroxyapatite column chromatography and DEAE-52 column chromatography are further used, so the maximum purities of phycoerythrin reach 2.76 and 1.74 respectively, and the recovery rates reach 59.3% and 56.81% respectively.
    3)进一步分别采用HA柱层析和DEAE-52柱层析纯化超滤液,藻红蛋白最高纯度分别为2.76和1.74,回收率分别为59.3%和56.81%。
    The lowest detection limit of instrument for acephate was 0.05ng,The lowest detection concentration for sample was 0.05 mg/L. The average recovery and RSD. of this method were 90.1%~98.4% and 0.89%~4.31%.
    乙酰甲胺磷的最小检出量为0.05ng,水样中的最低检出浓度为0.005mg/L,添加回收率为90.1%~98.4%,相对标准偏差在0.89%~4.31%,符合残留分析要求。
    Injector temperature was 260℃, FID detector was used with temperature 250℃, carrier gas (N2) was 1.0 mL/min, hydrogen was 30 mL/min, air was 350 mL/min and split ratio was 1:40. The coefficient of variation was 0.077 9%, the average recovery was 100.06%, the standard deviation was 0.074, and the coefficient of linear correlation was 0.999 9.
    进样口温度260℃,检测器温度250℃,气体流速为载气(N2)1mL/min,燃气(H2)30mL/min,助燃气(Air)350mL/min,分流比1∶40。 本方法的变异系数0.0779%,平均回收率100.06%,标准偏差为0.074,线性相关系数为0.9999。
    The result shows that standard deviations, coefficients of variation, average recovery, and linear correlation were 0.29, 0.30%, 99.52%, and 0.999, respectively.
    结果表明,本方法的标准偏差为0.29,变异系数为0.30%,回收率为99.52%,线性相关系数为0.999。
    The results show that the standard deviation is 0.67, the variation coefficient is 0.69%, the average recovery is 100.01%, linear correlation is 0.999 6.
    其标准偏差为0.67,变异系数为0.69%,回收率100.01%,相关系数0.9996。
    The coefficient of variation of hymexazol, metalaxyl, thiram were 0.6504%, 1.4575% and 2.7686%. Standard deviation of them were 0.0215, 0.0345 and 0.3093. Average recovery of them were 99.96%, 99.84% and 99.30%, respectively.
    该分析方法的变异系数分别为0.6504%、1.4575%、2.7686%,标准偏差分别为0.0215、0.0345、0.3093,平均回收率分别为99.96%、99.84%、99.30%。
 

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