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标准误
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  standard error
     The LD50 of 4 times/4 days toxicant given way was 9.739 mg/kg and the standard error was 0.079, the confidence limit on 95% was (9.739±3.443) mg/kg;
     4d四次给药LD50值为9.739mg/kg,标准误为0.079,其95%平均可信限为(9.739±3.443)mg/kg;
短句来源
     The results of the survey were as follows: sample rate P=1.47%, standard error Sp=0.65%, rate of entrapment 1.47%+0.65%, and 95% confidence interval (0.20%-2.74%).
     统计结果为样本P=1.47%,样本标准误Sp=0.65%,卡压率:(1.47±0.65)%,95%的可信区间为(0.20%-2.74%)。
短句来源
     Results The LD_ 50 of chlorophacine-Na in M.unguiculatus was 0.325 mg/kg and the standard error was 0.058 . The confidence limit on 95% was ( 0.325± 0.085 )mg/kg.
     结果测得其LD50值为0.325mg/kg,标准误为0.058,其95%平均可信限为(0.325±0.085)mg/kg;
短句来源
     The weighted mean of heritability and standard error was (61.70±5.10)%.
     广泛性焦虑加权平均遗传率和标准误为(61.70±5.10)%;
短句来源
     Meanwhile, standard error (Sy) and 95% distribution range of individual value was calculated in regression line.
     ,同时求出直线回归中个体值的标准误(S_y),据此计算直线回归中体重个体值的95%分布范围。
短句来源
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  standard errors
     Results the squared multiple correlations of multiwavelength standard equation is more than single wavelength standard equation's, but the standard errors of prediction are less.
     结果多波长标准方程的平方相关系数大于单波长标准方程的平方相关系数,而多波长标准方程的预测标准误小于单波长标准方程。
短句来源
     As a result, according tothe different age grouping, the standard errors of estimate to the different age grouping, the standarderrors of estimate ranged from 0. 8 to 2. 6 years (2 teeth from the same individual), 0. 6 to 2. 3 years(3~4 teeth from the same individual).
     用同一个体多颗牙齿推断年龄的研究结果表明,根据不同的年龄分组范围,利用同一个体2颗牙齿推断年龄的估计标准误分别为0.8岁~2.6岁; 同一个体3颗~4颗牙齿推断年龄的估计标准误分别为0.6岁~2.3岁。
短句来源
     The standard errors of coefficients in generalized estimating equation are generally greater than that in independent logistic regression.
     广义估计方程各参数估计值标准误普遍大于独立logistic回归估计值的标准误,从而使得检验结果发生了变化。
短句来源
     Conclusion:The more accurate regression coefficients and the standard errors were obtained by adjusting the weight and the center effect in general linear model.
     结论:在拟合腰椎骨密度随年龄变化的曲线时,利用一般线性模型控制体重以及中心效应的影响后,可获得更加准确的回归系数及标准误的估计。
短句来源
     Results Z14 (FFP) was obvious at α=0 05. After deleting the non obvious factors from the model, regression coefficient, standard errors, wald, P and RR were 0 065, 0 024, 7 493, 0 006 and 1 067 respectively. There was no difference of survival time between living liver transplantation and cadaver liver transplantation. The relative dangerous degree in cadaver liver transplantation was 0 340 as much as that in living liver transplantation.
     结果 Z14(FFP)在α =0 0 5水平显著 ,剔除模型中不显著因子 ,回归系数为 0 0 6 5 ,标准误 0 0 2 4,Wald值 7 493,P =0 0 0 6 ,RR =1 0 6 7,活体供肝肝移植和尸体供肝移植术的生存时间没有统计差异 ,但尸体供肝移植相对危险度是活体供肝肝移植的 0 34 0倍。
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  standard error of mean
     By factual analysis, the weighted mean heritability and standard error of mean of suicidal behavior was (50.15±9.7)% in bipolar depressive patients;
     双相抑郁症自杀行为的加权平均遗传率及标准误为(50.15±9.7)%;
短句来源
     The "standard deviation" and "standard error of arithmetic mean" that being easy to cause confusion are accurately described and distinguished from the meaning, characteristic, formula of calculation and symbolization etc. The symbolization of "mean±standard deviation" and "mean±standard error of mean" in the expression of statistics result are analyzed.
     对容易引起混淆的统计量“标准差”和“标准误”从意义、特征、计算公式、符号表示等方面作了准确描述与区分 ,并对统计学结果表示中“平均数±标准差”“平均数±标准误”的符号表示进行了统计分析 ,指出了存在问题。
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  “标准误”译为未确定词的双语例句
     For example,the scores(±S ) for Depression delined to-8.3±0.30(AR) and -7.7±0.36(RE) from 1.10±0.80(BD).
     例如 ,抑郁 (平均值±标准误 , X±S X)为 :1 .1 0± 0 .80 (BD) ,- 8.3± 0 .30 (AR) ,- 7.7± 0 .36(RE) ;
短句来源
     ~(125)I-LDL binding, internalization and degradation values in healthy human skin fibroblasts were 66±11, 350±70, and 1710±279 ng/mg cell protein respectively.
     正常人皮肤纤维母细胞对~(125)I-LDL的结合,内移和降解分别为66±11,350±70和1710±279ng/mg细胞蛋白(均值±标准误)。
短句来源
     In apexcardiogram, A/H, A/D and D/H ratios Were respectively 8.99±2.34%, 25.35±8.54% and 37.17±8.24%, They were not affectedby HR, age and sex.
     儿童A/H、A/D、D/H之比值分别为8.99±2.34、25.35±8.54、37.17±8.24(均值±标准误)。
短句来源
     There was also a high correlation between iohexol-GFR obtained by Bubeck's model and 99mTc-GFR, r = 0. 82, SE = 17. 75 ml/min.
     Bubeck法算得iohexol-GFR与99mTc-GFR相关系数为r=0.82,标准误为17.75 ml/min。
短句来源
     The LD 50 was 15.48±1.62ml/kg.
     计算 LD50 及 L D50 95%平均可信限为 15.4 8± 1.62 ml/ kg,标准误 sx50 为 0 .0 134。
短句来源
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  standard error
The pooled weighted sensitivity and specificity of FDT with 95% confidence intervals (95% CI) after correction for standard error were 0.86 (0.80-0.90) and 0.87 (0.81-0.91), respectively.
      
The standard error of determination of the active form of IAA by our method is 1.5-2.0 times less than that using the traditional method.
      
It is shown that the standard error in the measurements does not exceed 0.1log(η).
      
The total relative standard error for applying the method to 20 synthetic samples in the concentration ranges of 20-400 ng/mL Co(II), 60-400 ng/mL Ni(II), and 4-400 ng/mL Cu(II) was 1.53%.
      
However, stochastically independently selected specimens show a larger deviation than the standard error of the calibration.
      
更多          
  standard errors
According to the calculations, the measurement of the levels of, e.g., oil, petroleum products, and underlying water is possible with relative standard errors of the order of 0.1-1%.
      
For most of the stars, the standard errors in the Mg abundances do not exceed 0.07 dex.
      
As the error of aerosol imaginary index is within 0.01, standard errors of aerosol optical depth and vegetation reflectance solutions for 14 spectral channels from 410 nm to 900 nm are respectively less than 0.063 and 0.063 and 0.023.
      
And as the radiance error is within 2%, the standard errors are less than 0.023 and 0.0056.
      
In case of the homogeneous atmosphere, standard errors of the 120060 upward fluxes from the present model are 1.08% and 1.04% for clean and turbid aerosol models, respectively; and those of the downward fluxes are 4.12% and 3.31%.
      
更多          
  standard error of mean
With manual ROIs, the %ID (mean±standard error of mean) was 4.32±0.167 for A, 4.14±0.165 for B and 3.28±0.139 for C.
      
Eighteen consecutive patients (12 men, 6 women; mean age 43.6 [standard error of mean, 3.3] years) with 3 prolapsed irreducible piles were prospectively recruited.
      
Statistical constants like mean, standard deviation and standard error of mean have been calculated.
      
METHODS: Fifty-two consecutive patients (43 males; mean age, 40 (standard error of mean, 2) years) with perianal abscesses were randomized to treatment by either incision and drainage (controls; N=28) or fistulotomy (N=24).
      
A method for estimating the standard error of mean citation rates per publication is proposed and examplified on journal impact factors.
      
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Whether there exists a definite relationship between hypertensive states and the activity of serum cholinesterase (S-ChE) remains a problem of controversy. In the present study the S-ChE activity of 101 "normal" and 35 hypertensive dogs was determined by photometric method. The average value (±S. E.)of "normal" dogs is 29.9±0.8 units, which has been shown to be significantly(P<0.001)lower than that of hypertensive dogs, i. e. 37.1±1.1 units. After oral administration of the Rauwolfia alkaloids, 1—10 mg/kg/day,...

Whether there exists a definite relationship between hypertensive states and the activity of serum cholinesterase (S-ChE) remains a problem of controversy. In the present study the S-ChE activity of 101 "normal" and 35 hypertensive dogs was determined by photometric method. The average value (±S. E.)of "normal" dogs is 29.9±0.8 units, which has been shown to be significantly(P<0.001)lower than that of hypertensive dogs, i. e. 37.1±1.1 units. After oral administration of the Rauwolfia alkaloids, 1—10 mg/kg/day, in 12 hypertensive dogs and similarly after reserpine, 0.01 mg/kg/day, in 2 hypertensive dogs the S-ChE activity decreased significantly together with a remarkable fall of the blood pressure. 2 normal dogs receiving the alkaloid 5 mg/kg/day showed neither significant decreases in the blood pressure nor any fluctuation in the activity of S-ChE. The depression of the enzymic activity in hypertensive dogs thus appeared to be correlated with the blood pressure.

用比色法测得101只“正常”狗血浆胆硷酯酶(S-ChE)活力的最低值为13.5,最高值52.4,平均值±标准誤为29.9±0.8单位,經統計测驗可认为是常态分布。测得35只高血压狗S-ChE活力的最低值为28.4,最高值49.5,平均值±标准誤为37.1±1.1单位。与“正常”狗比較时,P<0.001,有非常显著差异。其中有12只高血压狗(原发、神經源型及腎型)每天口服蘿芙木硷1—10毫克/公斤共10天,給药前收縮压及舒張压为167.4±3.7及123.8±3.5(毫米汞柱),S-ChE活力为38.74±1.2(单位),服药期間收縮压及舒張压分別下降为131.3±3.8及97.0±3.8,S-ChE活力則同时下降为31.0±1.5。于停药后收縮压及舒張压各为163.8±4.0及123.55±3.7,S-ChE活力为37.8±1.7。高血压狗在服药期間,动脉压和S-ChE活力較給药前及停药后結果有显著降低。有2只腎型高血压狗口服利血平(0.01毫克/公斤)时,也可以看到血压下降同时,出現S-ChE活力的降低。但2只正常狗口服蘿芙木硷(5毫克/公斤)后,并未出現明显的降压作用,其S-ChE也未降低。虽然蘿芙木硷用...

用比色法测得101只“正常”狗血浆胆硷酯酶(S-ChE)活力的最低值为13.5,最高值52.4,平均值±标准誤为29.9±0.8单位,經統計测驗可认为是常态分布。测得35只高血压狗S-ChE活力的最低值为28.4,最高值49.5,平均值±标准誤为37.1±1.1单位。与“正常”狗比較时,P<0.001,有非常显著差异。其中有12只高血压狗(原发、神經源型及腎型)每天口服蘿芙木硷1—10毫克/公斤共10天,給药前收縮压及舒張压为167.4±3.7及123.8±3.5(毫米汞柱),S-ChE活力为38.74±1.2(单位),服药期間收縮压及舒張压分別下降为131.3±3.8及97.0±3.8,S-ChE活力則同时下降为31.0±1.5。于停药后收縮压及舒張压各为163.8±4.0及123.55±3.7,S-ChE活力为37.8±1.7。高血压狗在服药期間,动脉压和S-ChE活力較給药前及停药后結果有显著降低。有2只腎型高血压狗口服利血平(0.01毫克/公斤)时,也可以看到血压下降同时,出現S-ChE活力的降低。但2只正常狗口服蘿芙木硷(5毫克/公斤)后,并未出現明显的降压作用,其S-ChE也未降低。虽然蘿芙木硷用Warburg測压計法測得結果对S-ChE有直接抑制作用,但作者认为它对S-ChE活力的改变,很可能是与血压状态有关的。

Neriifolin is a cardiac glycoside isolated from the kernels of Thevetia neriifolia Juss. Diacetylneriifolin was obtained by acetylation of neriifolin. The minimum lethal doses of neriifolin and diacetylneriifolin in pigeons were found to be 0.217±0.008 mg (s.e.)/kg and 0.649±0.024 mg/kg respectively. Therefore, the biological potency of neriifolin was reduced by diacetylation. Furthermore the onset of action of diacetylneriifolin became slower than neriifolin; and it possessed a greater cumulative action than...

Neriifolin is a cardiac glycoside isolated from the kernels of Thevetia neriifolia Juss. Diacetylneriifolin was obtained by acetylation of neriifolin. The minimum lethal doses of neriifolin and diacetylneriifolin in pigeons were found to be 0.217±0.008 mg (s.e.)/kg and 0.649±0.024 mg/kg respectively. Therefore, the biological potency of neriifolin was reduced by diacetylation. Furthermore the onset of action of diacetylneriifolin became slower than neriifolin; and it possessed a greater cumulative action than neriifolin. In experiments in pigeons, diacetylneriifolin showed sedative effect in small doses, and induced hypnosis or anaesthesia in large doses, but neriifolin did not give any such effect. Diacetylneriifolin prolonged the hexobarbital-sleeping time and antagonised the excitatory action of caffeine in mice receving intraperitoneal does of 1.0mg/kg.Hence it was a depressant of central nervous system.

从黄花夹竹桃种仁中分得的一种强心甙neriifolin,乙酰化后得diacetylneriifolin,后者对心脏的作用减弱,生物活性降低。neriifolin的鸽最小致死量为0.217士0.008毫克(标准誤)/公斤,而diacetylneriifolin为0.649±0.024毫克/公斤;并且显效速度比neriifolin更为迟慢,蓄积性也增大。此外,产生明显的鎮靜催眠作用,可拮抗咖啡因引起的小鼠兴奋活动,延长环己烯巴比妥鈉的睡眠时間和降低小鼠的体溫。对化学結构改变而引起的药理作用差异的原因作了初步探討。

Studies were carried out in Peking during 1962—1964 to investigate the mortalities of egg and larval stages and the relationship between the number of egg masses and the size of larval populations in a total of 12 fields of spring-sown corn during the whorl-stage. On the basis of the survival rates of both egg and larval stages of these fields as well as data on the effect of larval density on yield loss, a method for estimating yield loss caused by corn borer and the control index at whorl-stage were discussed....

Studies were carried out in Peking during 1962—1964 to investigate the mortalities of egg and larval stages and the relationship between the number of egg masses and the size of larval populations in a total of 12 fields of spring-sown corn during the whorl-stage. On the basis of the survival rates of both egg and larval stages of these fields as well as data on the effect of larval density on yield loss, a method for estimating yield loss caused by corn borer and the control index at whorl-stage were discussed. The following points are shown. (1) The 12 fields observed during the 3 year period showed a fairly wide range of egg and larval populations. These variations were due to the fluctuation in natural borer population in different years and the different planting dates in a given year. (2) The mean and its standard error of the per cent eggs hatched was 57.± 2.9%. while that of the larval survival rate was 5.64±0.89%. A measure of correlation showed that the number of eggs per 100 plants is positively correlated with the number of mature larvae. The comlimed survival rate and its standard error of both egg and larval populations was 3.4±0.51%. The flducial limits of the mean at a confidence level of 95% is 3.4±1.17%. (3) Current studies on the relationship between borer population and yield loss of corn by various workers have shown that the reduction in yield of corn infested at whorl-stage was sigficantly greater than that of the ear-stage. Thus the loss in yield due to borer infestation could generally estimated from records on the number of borers of the first generation. If the 5% loss in yield per borer per plant was used as an average reduction rate, then the loss in yield from an infestation having a particular egg mass count could be estimated by yield loss (%) = [(No. egg masses per 100plants× 31.7)× (0.034±0.012)] × 0.05 where 31.7 is the average number of eggs per egg mass. From the view-point of economic gain, a reduction rate of 1.5% probably will be valid as the critical control level, i. e., above which treatments should be made. The cumulative total number of egg masses per 100 plants that corresponds to this reduction rate is roughly 24. (4) The present writer have previously shown that the cumulative total of egg masses per 100 plants (X) during entire whorl stage is proportional both to the per cent of plants receiving one or more egg masses or the frequency index (P) (P = l e—0.00985x0.9984) and the highest number of egg masses found on any one day (Y) (Y = 0.352 x — 2.721). On the basis of these equations, it is calculated that this egg mass count corresponds to a frequency index of 21% or a number of 6 egg masses per 100 plants at the peak of egg deposition. Therefore, either a frequency index of 21% or a 6 egg masses count found at any one day during whorl stage may be used as an critical index for insecticidal treatment.

根据1962—1964年北京地区12块春播玉米地心叶期卵和卵虫(第一代)成活率資料,并参考国内对螟害与玉米产量損失关系的研究成果,提出了春玉米上因玉米螟为害而造成的产量損夫估計方法和药剂防治的参考指标。心叶期卵的平均成活率及其标准誤为57.4±2.9%,卵块的脫落是死亡的主要原因。幼虫期的平均成活率及其标准誤为5.64±0.89%。这两个平均成活率的变異系数都比较小,相关分析表明,百株着卵量与成长幼虫数是相关的。故可职利用卵和幼虫的平均成活率由着卵密度来估計成长幼虫密度。心叶期卵和幼虫的合計平均成活率及其标准誤为3.4±0.51%。在95%可靠性时的置信区間为3.4±1.173%,卵块的平均粒数为31.7粒。若职单株平均一虫所造成的产量損失率为5%計,可用丁式来估計产量損失: 产量損失%=[(心叶期百株累計卵块数×31.7)×(0.034±0.012)]×0.05 在經济核算士,作者初步認为职損失率1.5%作为防治标准比較合适。以此推算,欲达到这一損失率,心叶期百株累計卵块应为28块(用平均成活率計算)至21块(用成活率上界計算)。一般可定为24块。根据心叶期百株累計卵块数与累計着卵株百分率或百株高峯卵块数之...

根据1962—1964年北京地区12块春播玉米地心叶期卵和卵虫(第一代)成活率資料,并参考国内对螟害与玉米产量損失关系的研究成果,提出了春玉米上因玉米螟为害而造成的产量損夫估計方法和药剂防治的参考指标。心叶期卵的平均成活率及其标准誤为57.4±2.9%,卵块的脫落是死亡的主要原因。幼虫期的平均成活率及其标准誤为5.64±0.89%。这两个平均成活率的变異系数都比较小,相关分析表明,百株着卵量与成长幼虫数是相关的。故可职利用卵和幼虫的平均成活率由着卵密度来估計成长幼虫密度。心叶期卵和幼虫的合計平均成活率及其标准誤为3.4±0.51%。在95%可靠性时的置信区間为3.4±1.173%,卵块的平均粒数为31.7粒。若职单株平均一虫所造成的产量損失率为5%計,可用丁式来估計产量損失: 产量損失%=[(心叶期百株累計卵块数×31.7)×(0.034±0.012)]×0.05 在經济核算士,作者初步認为职損失率1.5%作为防治标准比較合适。以此推算,欲达到这一損失率,心叶期百株累計卵块应为28块(用平均成活率計算)至21块(用成活率上界計算)。一般可定为24块。根据心叶期百株累計卵块数与累計着卵株百分率或百株高峯卵块数之間存在的相关,百株累計24块卵,相当于累計着卵株率28%,或百株高峯卵块6块。在实践上就可以用它們作为心叶期的防治指标。

 
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