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a good linearity
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  良好的线性关系
    There was a good linearity in the experimental concentration(r=0.999 0-0.999 8). The RSD of precision was less than 10%. The average recovery rate ranged from 93.9%to 102.6%.
    结果8种有机溶剂完全分离,质量浓度在考察范围内与峰面积具有良好的线性关系,r为0.9990~0.9998,平均回收率为93.9%~102.6%,精密度RSD均小于10%,最低检出限为0.02~1.06μg/mL。
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    Results A good linearity was obtained in the range of 29.40~88.20μg/ml(r=0.99998).
    结果泛昔洛韦浓度在29.40~88.20μg/ml范围内与峰面积呈良好的线性关系,r=0.99998;
短句来源
    There is a good linearity within the range of 0.1-1.0mg/me.
    在0.1~1.0mg/ml范围内,峰面积与浓度呈良好的线性关系
短句来源
    The retention times of individual components were between three and eight minutes and a good linearity was shown between concentration and peak area in the concentration range over 70 μg·ml-1~750 μg·ml-1.
    结果:3种成分在3min~8min之内完全达到基线分离,各组分溶液浓度在70μg·ml-1~750μg·ml-1范围内,浓度与峰面积之间呈良好的线性关系
短句来源
    RESULTS: The retention times of individual components were between eight and fifteen minutes and a good linearity was shown between concentrations and peak areas in the concentration range over 40 μg·ml -1 ~240 μg·ml -1 . Using trimethoprim as internal standard.
    结果:3种成分在8min~15min之内完全达到基线分离,各组分溶液浓度在40μg·ml-1~240μg·ml-1范围内,浓度与峰面积之间呈良好的线性关系
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  “a good linearity”译为未确定词的双语例句
    RESULTS The oleanolic acid had a good linearity relationship,r=0.999 7(n=8),between 0.21~4.16μg.
    结果齐墩果酸在0.21~4.16μg之间线性关系良好,r=0.999 7(n=8);
短句来源
    Results:There was a good linearity over the range of 4.02~12.06mg/L with a coefficient of correlation(r)0.9996(n=6). The mean recovery was 99.6% with RSD 0.9%(n=5). The RSD for repetition was 0.9%(n=7).
    结果:在浓度为4.02~12.06mg/L范围内,本法线形关系良好,相关系数r=0.9996,回收率为99.6%(n=5),重复性试验RSD为0.9%(n=7)。
短句来源
    The temperature of drift tube heater was 110℃and the gas was flowing at a rate of 2.8 L·min-1.A good linearity was obtained in the range of 0.1-0.6mg·ml-1(r2= 0.9998) for L-ornithine.
    min-1,ELSD漂移管温度110℃,气体流量2.8 L.min-1,建立了测定L-鸟氨酸的方法。 鸟氨酸在0.1-0.6 g.
短句来源
    Results A good linearity was obtained from 0.05 to 5.00 μg·mL-1 in plasma ( γ=0.9999), and 0.1 to 20.0 μg·mL-1 in urine ( γ=0.9998).
    结果线性范围:血浆样品为0.05~5.00μg·mL-1(γ=0.9999); 尿样为0.1~20.0μg·mL-1(γ=0.9998)。
短句来源
    RESULTS The content of vitamin B2 within the range of 8~24μg·mL-1 showde a good linearity,r=0.9998 and its recovery was 99.4% (n=3).
    结果维生素B2在8~24μg. mL-1范围内线性关系良好,r=0.9998,回收率为99.6%(n=3)。
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  a good linearity
H2 concentration from 0.5% to 4% showed a good linearity against voltage.
      
The proposed method is simple, rapid, sensitive, and has a good linearity.
      
Diagrams of W+Mo, and Pb+Zn deposits show a good linearity between ore value and logarithms of cumulative ore tonnage.
      
And when the concentration of the NFA is 1.95×10-5 mol L-1, they possess a good linearity in the concentration of DNA ranged from 4.7×10-6 to 2.8×10-5 mol L-1.It is a good method due to the high sensitivity and selectivity.
      
An equation proposed by us for the relation between the integral irradiance and the depth of cure indicated a good linearity (r=0.997) in the wavelength range between 460 and 480 nm when different VL curing units were used.
      
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A HPLC method for the determination of lidocaine, bupivacaine and tetracaine in human plasma with verapamil as internal standard has been established. This method was carried out on an ODS column using modified methanol (0.51 ml of n-butylamine and 0.3 ml of glacial acetic acid added to 300 ml of MeOH)-water (75:25) as mobile phase operated in recycling mode. The procedure is as follows: transfer 1.0 ml of plasma into a 12 ml glass centrifuge tube, add one drop of 2 N NaOH solution (if tetracaine is present,...

A HPLC method for the determination of lidocaine, bupivacaine and tetracaine in human plasma with verapamil as internal standard has been established. This method was carried out on an ODS column using modified methanol (0.51 ml of n-butylamine and 0.3 ml of glacial acetic acid added to 300 ml of MeOH)-water (75:25) as mobile phase operated in recycling mode. The procedure is as follows: transfer 1.0 ml of plasma into a 12 ml glass centrifuge tube, add one drop of 2 N NaOH solution (if tetracaine is present, one drop of 10% sodium metabisulfite solution and 0.1 ml of 2 N NaOH solution must be added to the specimen tube before collecting the sample in order to prevent hydrolysis), add 40μ1 of the internal standard (0.16μg/μ1)and 8 ml of ethyl ether-dichloromethane (10/8,V/V). shake for 10 minutes and centrifuge for 5 minutes at 3000g. Transfer the organic phase into another tube and evaporate to dryness at 50℃. Reconstitute the residuew ith 50μl of mobile phase and inject 20μl into the chromatograph using the following conditions: column, 15×0.46 cm packed with ODS (YWG-C_(18)H_(37), 10μm); flow rate, 1.5 ml/min; UV detector, 220 nm; range 5 mV; Chart speed, 5 mm/min.This method is simple, rapid, sensitive and has a good linearity. The absolute recoveries were found to be 101±3.6% for lidocaine, 89.3±4.1% for bupivacaine and 80±10.1% for tetracaine. Precisioin studies for both within day and day-to-day at different concentrations provided CV values of less than 10% except tetracaine which produced a CV of 10.5% for within day precision at high concentration.

应用改性甲醇—水为流动相,在YWG—C_(18)H_(37)反相柱上,以异搏定(verapamil)为内标,建立了适合于临床生化研究和药物代谢动力学研究的同时或分别测定人血浆中利多卡因(lidocaine),布比卡因(bupivacaine)和丁卡因(tetracaine)的高效液相色谱法。本法简便、快速、灵敏、重现性好,流动相可循环使用。利多卡因、布比卡因和丁卡因的平均回收率分别为101±3.6%,89.3±4.1%和80±10.1%,不同浓度水平测定结果的日内和日间变异系数一般小于10%,其检定限度(信噪比>3)分别为0.03,0.05和0.1μg/ml。

An improved high performance liquid chromatographic methodfor determination of 5-fluorouracil in human plasma was presented. Researcheswere made on both the liquid chromatographic conditions and the sample treat-ments based on published study that the drying step at extraction was climinated,Shimadzu Shim-pack CLC ODS column (15cm×6.0mm di) and 0.05M phosphatebuffer (pH 3.0) containing 0.5% acetonitrile as mobile phase were used tomake desirable liquid chromatographic conditions. The sample treatment was satisfactory...

An improved high performance liquid chromatographic methodfor determination of 5-fluorouracil in human plasma was presented. Researcheswere made on both the liquid chromatographic conditions and the sample treat-ments based on published study that the drying step at extraction was climinated,Shimadzu Shim-pack CLC ODS column (15cm×6.0mm di) and 0.05M phosphatebuffer (pH 3.0) containing 0.5% acetonitrile as mobile phase were used tomake desirable liquid chromatographic conditions. The sample treatment was satisfactory with optimizing the pH of the two extraction systems, and the ratioof n-propanol/diethyl ether in the organic solvent to enhance the stability ofthe method and the recovery of 5-fluoroulacil from human plasma. This study obtained a better linearity from 0.05 to 100μg of 5-fluorouracil perml with a good corrclation coefficient (r=0.9999) and CV values less than0.88% for precision within day (n=5) and 1.72% for precision between day(n=9). The recovery of 5-fluorouracil from plasma was 87%. The improvedmethod was very sensitive, of which the minimum detectable concentrationwas of 7.2 ng/ml (fourfold background noise).

本文报道了人血浆中5—氟脲嘧啶的高效波相色谱测定方法。该方法对文献报道的方法做了改进。改进后的方法具有线性范围宽、取样量小、灵敏度高、精度好、专属性强、快速简便等特点。该法已用于临床5—氟脲嘧啶体内动力学研究,且获得较为满意的结果。

A HPLC method for determination of indapamide in human serum with Sulfisoxazole as internal standard has been established .This method was carried out ODS colum (5μm). We used a mobile phase of acetonitrile :0 .05 mol / L soduim acetats buffer at pH 3.72 (45 :55 V/V )and a flow rate of 1 .2 ml /min .The procedure was as follows : Transfer 0 .5 ml of patient serum add 10 μl of the internal standard (0 .2 mg /ml) and 9 ml ethyl acetate into 12 ml of glass centrifuge tube .Shake for 10 minutes and centrifuge at...

A HPLC method for determination of indapamide in human serum with Sulfisoxazole as internal standard has been established .This method was carried out ODS colum (5μm). We used a mobile phase of acetonitrile :0 .05 mol / L soduim acetats buffer at pH 3.72 (45 :55 V/V )and a flow rate of 1 .2 ml /min .The procedure was as follows : Transfer 0 .5 ml of patient serum add 10 μl of the internal standard (0 .2 mg /ml) and 9 ml ethyl acetate into 12 ml of glass centrifuge tube .Shake for 10 minutes and centrifuge at 3000 r/min for 10 minutes . Transfer the ethyl acetate phase into another tube and evaporate to dryness at 70 cunder a nitrogen stream .Recostitute the residue with methanol 50μl and inject 15μl into the chromatograph .This method is simple ,rapid sensitive and has a good linearity .The average reoveries of indapamide and internal standard were 99 . 5% and 98 . 5% respectively .The method was linear from 0.04 μg /ml to 0 .5 μg/ml with correlation coefficient of 0 .9998 . The coe- fficient of variation was less than 4.6% within a day (n = 8) and less than 4.3% between days (n = 8) respectively .

应用乙腈:0.05mol/L,pH3.72的乙酸盐缓冲液(45:55V/V)为流动相,在C_(18)色谱柱上以Sulfisoxazol为内标,建立了适合临床药理应用的吲达胺高效液相色谱测定法。本法简便、快速、灵敏、重现性好,流动相可循环使用,样品用乙酸乙酯提取,吲达胺和内标的平均回收率>98.5%。测定结果的变异系数,日内<4.6%,日间<4.3%。

 
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