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频数     
相关语句
  frequency
     There were no remarkable differences of the allelic and genotypic frequency distributions of KPNA1 between parents and patients(χ~2=0.957,P=0.328;χ~2=3.547,P=0.170).
     等位基因和基因型的频数分布在父母组和患者组中的差异均无显著性(2χ=0.957,P=0.328;χ2=3.547,P=0.170);
短句来源
     The genotype frequency and allele frequency of 76 NSCL/P cases and 60 controls were analyzed through case-control study(χ~2=4.42,P<0.05).
     76例NSCL/P患儿和60例正常儿童基因型及等位基因频数病例对照研究(χ2=4.42,P<0.05)。
短句来源
     The genotype frequency and allele frequency of 76 NSCL/P cases and 60 controls were analyzed through case-control study(χ~2=9.91,P<0.05).
     76例NSCL/P患儿和60例正常儿童基因型及等位基因频数病例对照研究(χ2=9.91,P<0.05)。
短句来源
     The urinary iodine value frequency was 26.1%, 13.5% and 9.9%.
     尿碘值频数分布为26.1%、13.5%和9.9%。
短句来源
     there were no remarkable differences of the frequency distributions of GG,GC and CC of MT2A between cases and controls(χ~2=0.202,P>0.05),and the frequency distributions of G and C had no markedly differences between cases and controls(χ~2=0.136,P>0.05).
     MT2A的3种基因型GG、GC和CC的频数分布在病例组和对照组中无统计学意义(2χ=0.202,P>0.05),等位基因G和C的频数分布在病例组和对照组中也无统计学意义(2χ=0.136,P>0.05)。
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  frequence
     Three-Dimensional Topology Creator of Complex Network and Application of SD Frequence Analysis
     复杂网络三维拓扑生成器及其在SD频数分析中的应用
短句来源
     Results: (1) Western blotting was used to identify the purified proteins, and it confirmed that the proteins are HSPgp96. (2) The HSPgp96-peptide complex and polypeptide derived the renal carcinoma tissues can produce the significantly more frequence of IFN-γ ~+T cell than normal renal tissues(p<0.01).
     结果:(1)纯化所得蛋白用特异Western blotting鉴定,证实该蛋白确系HSPgp96; (2)肿瘤组中HSPgp96-肽复合物、单纯多肽产生γ-干扰素效应T细胞频数均明显高于正常对照组(p<0.01);
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     [Methods]The numbers,maximal diameter and pathology of lymph nodes dissected from the 115 cases with gastric cancer were analyzed. The correlation between metastatic frequence and lymph nodes'size was investigated.
     [方法]分析115例胃癌患者手术摘取的淋巴结数目、最大径、病理结果,探讨转移频数与淋巴结大小的相关性。
短句来源
     (3) The HSPgp96-peptide complex derived from the renal carcinoma tissues can produce the maximum frequence of IFN- γ ~+T cell, and the frequence was significantly more than stimulus.
     (3)肿瘤组中HSPgp96-肽复合物产生γ-干扰素效应T细胞频数最高,与同组其他刺激物及正常对照组的HSPgp96-肽复合物相比差异有显著性意义(p<0.01)。
短句来源
     Among the 19 factors with higher frequence percentage, the frequence percentage of 16 factors were obviously decreased.
     在测得的 19项频数百分率较高的应激因素中 ,有 16项明显下降。
短句来源
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  frequency number
     The mathematics model of each evaluation index sign and dry factors were established through weighted value evaluation and the frequency number analyses to multi-targets to get the precise solution, four equal important evaluation target in theoretical and get the optimizing drying craft parameter: hot air temperature 177±1℃,hot air velocity 0.44±0.01m/s ,the original water of material 63.5±1.5%, dry duration l.
     建立以各评价指标与干燥因素的数学模型,并采用加权综合评分与频数分析法对多目标进行优化求解,从理论上得到同等重视4个评价指标(λ_1=λ_2=λ_3=λ_4=0.25)时最优的干燥工艺参数为:热风温度177±1℃,热风速度0.44±0.01m/s,物料初始水分
短句来源
     The optimal combinative scheme of comprehensive agronomic measures for top yield level was showed by the frequency number analysis Scientific basis was provided for spring soybean Zhechun 2 on model cultivation in large areas
     通过频数分析,得出指定产量水平下的最佳农艺措施组合方案,为浙春2号春大豆大面积规范化栽培提供依据。
短句来源
     The interpolation precision of pulse multiplier-based fine interpolator is related with the max feed rate,pulse equivalent of CNC,interpolation cycle,and output pulse frequency of pulse generator and the main reason of its error production comes from the rounding processing of crossover frequency number.
     基于脉冲乘法器原理的精插补器的插补精度与最大进给速度、机床系统的脉冲当量、插补周期以及脉冲发生器的输出脉冲频率有关,其误差产生的主要原因是由分频数圆整造成的。
短句来源
     The optimal combinative scheme of composite high-yield agronomic measures for top yield level was showed by the frequency number analysis.
     通过频数分析,得出指定产量水平下的最佳综合农艺措施给合方案。
短句来源
     On the assumption that acceleration time history can be obtained by stationary random processes multiplied envelop function, this paper demonstrates that envelop function of strong ground motion is proportional to the square root of frequency number distribution function of phase difference spectrum.
     假定地震加速度时程a(t)可由强度包线f(t)乘以均值为零的平稳随机过程a_g(t)构成,从理论上论证了地震动强度包线函数与相位差谱的频数分布函数成正变关系。
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  tc frequency
     Preliminary results indicated that in the variation of annual TC frequency there exist obvious periods of 21, 31 ,15 and 6 years and sustaining periods lasting 12 years in average.
     初步结果表明,热带气旋年频数的变化具有明显的21年、31年、15年和6年左右的周期和持续期平均为12年左右的阶段变化;
短句来源
     There are quasi-13-year medium period vibration and quasi-4 and quasi-2.5-year short period vibration in TC frequency time serials, among which quasi-4 year period is the most significance.
     影响福建热带气旋频数具有准13年的中周期振动和准4年和准2.5年的短周期振动,尤其是4年的短周期振动最为显著。
短句来源
     The research also shows that the annual TC frequency forecast for Hainan by the regression equation,using soil temperatures as predictors,shows good results.
     研究表明,利用深层地温作为预报因子,建立回归方程,对影响海南的TC年频数进行预报,具有较好的效果。
短句来源
     The Relationship between the TC Frequency Affecting Hainan and the Variation of Soil Temperature in Hainan
     海南地温变化与热带气旋影响频数关系
短句来源
     By using data in the period of 1949-2000, climatic characteristics of tropical cyclones over western North Pacific in the latest 50 years are investigated. The results show that there exists a descent trend in tropical cyclone(TC) frequency over western North Pacific and landfall TC frequency in China, Southern China and Eastern China in recent 50 years, and the trend becomes significant in the latest 10 years.
     本文首先利用1949-2000年《热带气旋年鉴》资料,分析了近50年西北太平洋热带气旋的气候特征,结果表明:近50年来,西北太平洋热带气旋频数以及登陆全国、华南和东海沿岸的热带气旋频数呈下降趋势,特别是在近十年,这种下降趋势更明显。
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      frequency
    Frequency-Domain Bounds for Nonnegative, Unsharply Band-Limited Functions
          
    In this paper we give a further investigation of the method introduced by the author in [1, Frequency-domain bounds for nonnegative unsharply band-limited functions] for proving bounds for functions with nonnegative Fourier transforms.
          
    We present two-sided singular value estimates for a class of convolution-product operators related to time-frequency localization.
          
    This paper presents an expansion for radial tempered distributions on ${\bf R}^n$ in terms of smooth, radial analyzing and synthesizing functions with space-frequency localization properties similar to standard wavelets.
          
    The Balian-Low theorem (BLT) is a key result in time-frequency analysis, originally stated by Balian and, independently, by Low, as: If a Gabor system $\{e^{2\pi imbt} \, g(t-na)\}_{m,n \in \mbox{\bf Z}}$
          
    更多          
      frequence
    The results show that 10 μmol/L Lacidipine can reduce the frequence which 10 μmol/L 5-HT induced [Ca2+] spark in SFSMC of calcium over loading to 50%, and amplitude to 50% or so.
          
    The program simulation facilities, such as time-domain analysis, frequence-domain analysis, sensitivity analysis and multiple objective optimization are described.
          
    La frequence de mue decline avec la taille, de facon prononcee chez les femelles de plus de 6 ans.
          
    Cet Isopode a ete recolte sur la totalite de l'aire prospectee mais avec une frequence peu elevee: 91% des prelevements contenaient 1 a 5 specimens et un total de 140 individus ont ete recoltes.
          
    Il est postule que cette specialisation trophique pourrait expliquer certaines caracteristiques inhabituelles tels la presence d'une seule femelle adulte de Zalophora par diplopode, la faible frequence des juveniles et l'apparente absence des males.
          
    更多          
      frequency number
    On the basis of the relation, frequency number distribution function of wave group arrival time is completely equivalent to that of phase difference spectra.
          
    Intromission frequency (number of intromissions preceding ejaculation) was affected only at 10 μg/kg 8-OH-DPAT with monkeys requiring fewer intromissions to ejaculation at this dose.
          
    However, there was some indication that the effective mating frequency (number of females producing offspring sired by a given male) of major and minor males may exhibit frequency dependence.
          
    Averaged over media, callus induction frequency (number of calli per 100 anthers) was highest in cultivars Xin White and TX 403-TSB (6.7 and 3.9%, respectively).
          
    Line-intercept estimates of large wood frequency (number per 100?m of stream) were significantly correlated to the wood census counts, but the line-intercept method underestimated frequency by about 50% (P?=?0.016).
          
    更多          
      absolute frequency
    Improved absolute frequency measurement of the 115In+ 5s2 1S0-5s5p3P0 narrowline transition: Progress towards an optical frequen
          
    We report on an improved absolute frequency measurement of the 5s2 1S00-5s5p3P0 narrowline clock transition at 236.5 nm, for a single, trapped, and laser-cooled 115In ion.
          
    For absolute frequency measurement, we use an optical frequency comb locked to a cesium clock as the reference.
          
    The source generates waves with the same absolute frequency 1/15 d-1 but different wavenumber.
          
    In addition we determine the absolute frequency scale and prove the consistency of the ansatz of Sompolinsky and Zippelius χ(ω)-χ(0)α(-iω)v at and below the AT line.
          
    更多          
      其他


    Using Synoptic data for 1951—1955,a statistical investigation on theanticyclone in Eastern Asia is made.The clasification(according to path),frequency,central intencity,variation of the intensity and the velocity of the anticyclones over EasternAsia are given.

    作者根据1951—1955年天气图资料,应用统计的方法来探讨东亚地区的反气旋活动。从而提供了东亚反气旋的标准分类路径、出现的频数、中心强度、强度变化及移行速度等。

    Based on the 10-years surface synoptic charts (1951 to 1960), monthly frequencies of cyclones and low pressure centers passing 2.5°× 2.5°latitude-longitude grids in Eastern Asia are analized and the main tracks are studied and classified.The cyclones are most frequent in middle part of Mongolia and north-east China, and none south of 20°N. Most of the low pressures occurred south of 45°N are very weak. Spring is the season of cyclonic activity.

    本文利用1951—1960年的亚洲地面天气图,分月統計东亚地区(70°E以东,55°N以南)每2.5°×2.5°經緯格內低压中心通过的頻数,繪制了頻数分布图,确定出低压移动的主要路径,此外,还繪制了冬半年和夏半年低压发生(初現)頻数分布图、頻数百分率的随緯度分布和沿120°E与110°E經线上低压中心通过頻数的各月綜合图。結果得出:1.东亚大陆中緯度西风带的低压主要出現在蒙古人民共和国中部到我国的东北地区,20°N以南不出現溫带低气压;2.45°N以南的我国大陆上低压很弱,大多数不閉合,只有在我国东部或入海后才发展;3.日本东南面海上是低压路径的集中带;4.春季低压出現最为頻繁,秋季次之,夏季我国江淮流域低压有所增多。 最后,对低压路径进行了分类,把东亚的溫带低气压划为五大类和十一亚类,并对各类低压分别作了簡要的叙述。

    Based on the daily 18:00 GCT surface, charts(1955 to 1959), the frequency distribution of the front occurrence is analysed and the location of the climatic frontal zones is determined.

    本文根据1955—1959年逐日02时(北京时)东亚地面天气图統計了鋒出現頻数的分布,給出1、4、7、10月东亚气候锋的位置.

     
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