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estimating     
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  估计
     Estimating and Checking the Dimension Reduction Models in Regression
     回归中降维模型的估计与检验
短句来源
     A Method of Estimating the Number of the Musk Deer
     麝的数量估计方法
短句来源
     ON THE METHOD OF ESTIMATING B-VALUE AND ITS STANDARD ERROR——The Monte Carlo Method of Estimating the Accuracy of b-value
     地震 b 值的估计方法及其标准误差——应用蒙特卡罗方法估计 b 值精度
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     A METHOD OF ESTIMATING THE DERIVATIVES APPLICATED TO CURVE FITTING
     用于曲线拟合的一个一阶导数估计方法
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     Methods in Estimating the Hereditability of Multifactorial Genetic Diseases
     多基因遗传病遗传度估计的常用方法
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  估算
     Study on Estimating Canopy Surface Temperature of Winter Wheat by Using NOAA Data and Its Primary Application
     基于NOAA卫星的冬小麦冠层表面温度估算及初步应用的研究
短句来源
     Empirical Formulae for Estimating Transient Performance of One Type of Feedback Control Systems
     估算一类反馈控制系统动态指标的经验公式
短句来源
     A METHOD FOR ESTIMATING THE VERTICAL DISPERSION PARAMETERS IN THE RANGE OF 10 KM
     10公里范围垂直扩散参数的一个估算方法
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     A PRELIMINARY METHOD FOR ESTIMATING SHIP RESISTANCE IN SHALLOW WATER
     关于船舶浅水阻力估算方法的探讨
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     METHODS OF ESTIMATING FATIGUE LIFE UNDER COMPLEX LOADING
     复杂载荷下疲劳寿命的估算方法
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  评价
     Conclusion:There is important significance if estimating E/A, S/D for evaluating cardiac function,prognosis and instructing therapy.
     结论 :测定高血压病患者的 E/ A、S/ D对于评价其心功能、预后 ,指导治疗有重要意义。
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     Objective Comparing measles virus IgG titer to it's neutralizing ability and estimating measles virus susceptibility in children.
     目的抽样检测广西儿童麻疹IgG滴度,分析麻疹IgG水平与病毒中和能力,评价目前儿童麻疹易感性。
短句来源
     Quantitative estimating system of CO_2 arc welding quality based on Labwindows/CVI
     基于Labwindows/CVI的CO_2弧焊品质定量评价系统
短句来源
     THE COMPARISON AMONG W/H,W/H~2 AND W/H~3 IN ESTIMATING OBESITY IN CHILDHOOD AND ADOLESCENCE
     W/H、W/H~2和W/H~3三种指数法评价儿童、青少年肥胖的比较
短句来源
     Establishment of spatial database based on Arc/Info for estimating area stability in Hubei province
     应用Arc/Info建立湖北省区域稳定性评价空间数据库
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  估测
     By evaluating the factors which affect the yield, an estimation of the output of greenhouse strawberry can be made. The equation for estimating the yield of strawb- erry in greenhouse is yield Y (in kg. per mu) = -2683.0902 + 353.6951x_1 + 220.1334x_2 + 162.8265x_3
     在日光温室栽培条对下,可通过产量构成因素估测产量,估测方程为: Y(公斤/亩)=-2683.0902+353.6951X_1+220.1334X_2+162.8265X_3
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     BPBE-I-Expert System for Estimating the Cost of Construction Projects
     建筑工程成本快速估测专家系统BPBE-Ⅰ
短句来源
     the reflectance ratio of 701 nm to 675nm was fit for estimating the concentrations of chlorophyll-a;
     701nm与675nm的波段反射率比值是估测叶绿素a含量的较佳波段;
短句来源
     METHODS OF ESTIMATING CO_2 EMISSION FROM MAT CRYO-SOD SOIL
     草毡寒冻雏形土土壤CO_2释放量估测方法初探
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     through the estimating of testing samples,it shows that the standard error is 0.302g/m~2,and the estimated accuracy is 86.3%,this model has the better application potential.
     对测试样本精度检验表明,冠层叶绿素密度(C H.D)估测结果的标准差为0.302g/m~2,精度达86.3%,表明所建相关回归模型具有较好地应用潜力。
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      estimating
    Application to estimating the initial heat distribution is analyzed.
          
    Estimating of order-restricted location parameters of two-exponential distributions under multiple type-II censoring
          
    A diagnostic based on case-deletion approach in estimating equations is proposed.
          
    This paper presents an approach for estimating power of the score test, based on an asymptotic approximation to the power of the score test under contiguous alternatives.
          
    Thus, the discrete wavelet coefficients can be discussed in the process of estimating multi-scale Kalman coefficients.
          
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    The beta-ray spectrum of RaE was investigated by the cloud chamber experiments. About 600 tracks with H σ above 2000 were obtained. The spectrum was found to have an end point at 7500 Hσ. The average energy per disintegration was estimated to be 4.01×105 electron-volts.

    戊种镭原质(Ra E)所放出之β线穿过威尔圣成云箱之径迹(tracks),用照相机照下。因成云箱在磁场中,而磁力之方向又与β线所取之途径垂直,故由照片上所量出径迹之半径,ρ,可定β线之能力,盖磁场之强度,H,亦已知也。通常以Hρ代表能力大小之相当值。用戊种镭原质所摄之照片上量出10Oβ线径迹,其Hρ值皆在2000高斯-厘米(Gauss-cm.)以上。以各种Hρ值及在该值范围内所有径迹之数目作一曲线。将该曲线延长至与Hρ轴相交,其交点7500高斯——厘米,即为β线具有最大能力者之Hρ值。由β线能力大小之分配,用绘图方法得计算该线之平均能力,其值为4.01×10~5电子——伏特(electron—volts)。

    By surrounding a photo-neutron source of Ra+Ee with a thin spherical sbell of paraffin, a continuous spectrum of scattered neutrons, extending from zero energy to the energies of the primary neutrons is obtained. When a silver detector is exposed to such a spectrum, a part of the neutrons having just the energies at resonance with the silver nuclei is strongly absorbed by the detector and thereby produces the induced β-activity. By measuring the activity of silver and the apparent absorption coefficient of the...

    By surrounding a photo-neutron source of Ra+Ee with a thin spherical sbell of paraffin, a continuous spectrum of scattered neutrons, extending from zero energy to the energies of the primary neutrons is obtained. When a silver detector is exposed to such a spectrum, a part of the neutrons having just the energies at resonance with the silver nuclei is strongly absorbed by the detector and thereby produces the induced β-activity. By measuring the activity of silver and the apparent absorption coefficient of the resonance neutrons in a thin silver absorber, the total width of the resonance levels effective to neutron capture and located in the above spectrum is estimated. Let τ He the average value of one half of the half-value width of the resonance levels, expressed in volts, and n be the number of resonance levels here concerned. We find nτ=260 volts for the silver nuclei of half period 22" if the energies of the primary neutrons are taken to be 2x 105 volts. Knowing nτ, we can evaluate the average spacing between adjacent resonance levels effective to neutron capture by giving a plausible value to τ. We find a spacing of the order 80-800 volts if τ be given the value 0.1-1.0 volt. This result is in good accord with the recent theoretical calculation of Bethe and also with observations of resonance groups in the low energy region.

    把‘镭—铍’所产生的‘光中子’,穿过一层半厘米厚的白蜡,我们便得到一‘连续的中子谱’。他们中间有些中子,能和银的原子核起‘共振作用’,因此可以被银片吸收,而产生‘人工放射银’先测量人工放射的强度和‘共振中子’在银片中的吸收率,再应用原子核内共振能层的宽度,我们便可以求出银的原子核内‘共振能层’的密度大约共振能在零和二十万伏特中间,平均每隔一二百伏特便有一可以吸收质子的共振能层,和理论很相符合。

    The average nuclear level spacings of In, Ir and Au are estimated from the beta-ray activities induced by the primary photo-neutrons emitted from a Ra+Be source. A Geiger-Muller counter made of aluminum is used for measuring the induced activities. The saturated induced activities for the three elements are found to be 0.665±0.23 0.982±.03l, 0.453±0.21 (no./sec.) respectively. The estimation for the average nuclear level spacings is made in accordance with Breit-Wigner's one level formula, the resnlts...

    The average nuclear level spacings of In, Ir and Au are estimated from the beta-ray activities induced by the primary photo-neutrons emitted from a Ra+Be source. A Geiger-Muller counter made of aluminum is used for measuring the induced activities. The saturated induced activities for the three elements are found to be 0.665±0.23 0.982±.03l, 0.453±0.21 (no./sec.) respectively. The estimation for the average nuclear level spacings is made in accordance with Breit-Wigner's one level formula, the resnlts being 5.6, 15 and 6 volts for In, Ir, Au respectively. The spacing of Ir is probably somewhat over estimated since the values of the energy and absorption coefficient of the resonance neutron group, used in the estimation, are not very accurate.

    作者用镭加钡之光感中子以射击铟铱金三元素,而以一铝质盖密计(GeigerMuller counter)测其感应放射能。得各元素感应放射能之饱值,铟为0.665士.023.铱为0.982±.031,金为0.453±.024.依白威二氏(Breit-Wigner)之单能准式,吾人可自感应放射能之值道出原子核能准之平均间隔。所得结果,铟铱金各为5.6,15,6伏特。因计算时所用共振中子之能及吸收系数不太准确,估计所得铱之间隔大概过高。

     
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