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k-ratio
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  系数倍率法
     MethodChlorogenic acid was directly determined with separation at 324nm and 360nm by K- ratio method.
     方法用系数倍率法在324nm、360nm波长处不经分离直接测定绿原酸的含量。
短句来源
     METHODS The K-ratio method was used and the detection wavelevgh was at 264.4nm and 255.8nm.
     方法  采用系数倍率法 ,选择测定波长为 2 64 .4nm和 2 5 5 .8nm。
短句来源
     METHODS To perform by combined usage of K-ratio spectrophotomerty and absorbance subtraction technique technique at 284nm and 320nm without separating.
     方法应用系数倍率法与吸收度减法技术联用,不经分离在284nm、320nm波长处直接测定。
短句来源
     Determination of Lidocaine Hydrochloride by K-ratio Spectrophotometry
     系数倍率法测定麻药膏中盐酸利多卡因含量
短句来源
     Quantitative Determination of 5-HMF in Metronidazole and Glucose Injection by Combined usage of K-ratio Spectrophotomerty and Absorbance Subtraction Technique
     系数倍率法与吸收度减法技术联用测定甲硝唑葡萄糖注射液中5-HMF的含量
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  k比例
     K -Ratio H -Point Standard Addition Method and Its Application
     K比例H点标准加入法计算研究
短句来源
     Calculation of the K-Ratio H-Point Standard Additions Method
     K比例H点标准加入法的计算
短句来源
     SIMULANEOUS SPECTROPHOTOMETRIC DETERMINATION OF IRON,COBALT AND NICKEL BY K-RATIO AND H-POINT STANDARD ADDITION METHOD
     K比例H点标准加入分光光度法同时测定铁钴镍的研究
短句来源
     Simultaneous Spectrophotometric Determination of Zinc and Cadmium by K-Ratio and H-Point Standard Addition Method
     K比例H点标准加入法同时测定锌与镉
短句来源
     A method, called "K-Ratio H-Point Standar Addition Method", was proposed.
     为了获得在有干扰存在下的复杂体系中待测样品的准确浓度,提出了称为“K比例H点标准加入法”的方法。
短句来源
  “k-ratio”译为未确定词的双语例句
     The wavelength chosen and corresponding K-ratio values are: for salicylic acid 310nm/298nm, K = 1;
     选择的三个波长对及其K值分别为水杨酸:310nm/298nm,K=1;
短句来源
     K-ratio method was used to measure the drugs of the gargles,wavelength was at (258±1)nm for chlorhexidine acetate; and at (311±1)nm for ornidazole.
     用系数倍率分光光度法,在(258±1)nm波长处测定醋酸氯己定的含量,在(311±1)nm波长处测定奥硝唑的含量;
短句来源
     QUANTITATIVE DETERMINATION OF 3-PHENYL RHODANINE BY K-RATIO UV SPECTROPHOTOMETRY
     系数倍率-紫外光谱法测定3-苯基绕丹宁的含量
短句来源
     DETERMINATION OF XINLILING TABLETS BY DERIVATIVE-DOUBLE WAVELENGTH AND K-RATIO SPECTROPHOTOMETRY
     新痢灵片的导数双波长及系数倍率测定
短句来源
     The solution was analyzed by K-Ratio spectrophotometry at 309 and 352 nm. The average re-covery was 99.7% (n=7). the coefficient of variation was 1.02%。
     方法简便快速,其平均回收率为99.72%,变异系数为1.02%(n=7)。
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  k-ratio
Also, from the relation that the K-ratio is corresponding to the relative X-ray intensity, using the calibration curves (K-ratio vs mass ratio in bulk targets), we can obtain the concentration (mass ppm) in thin films.
      
One of the features of this method is to use calibration curves (K-ratio vs mass ppm in bulk targets) obtained using a Monte Carlo (MC) simulation of electron scattering.
      
F-protected means were compared by the Waller-Duncan K-ratio T test.
      
and magnesium supply were among the explanatory variables, in 1994 a combination of Al in the soil and the N/K-ratio (in the needles) was selected in the model.
      
The predicted results from those models on π+/π- ratio,K+/K- ratio, π± meson spectra and π+/π- ratio under π± meson and Λ particle trigger, ratio between invariant two particle cross-section (p→π+/π-)/(p→π-/π- are compared with the experime
      
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Based upon analysis of the relation between kinematical of rake finger and crops, two fundamental equations are derived. According to these equations, this paper discusses and suggests three parameters. The rake finger is opened up atψ = 80°~π/2 to reduce K(ratio between kinematical velocity of rake finger and forward velocity of semi-feed combine). θ(inclination of the stalk lifter)in a range from 60° to 65° and K from 1.44 to 3.51 can adapt better to the harvesting of wheat and dwarf rice.These estimate formulae...

Based upon analysis of the relation between kinematical of rake finger and crops, two fundamental equations are derived. According to these equations, this paper discusses and suggests three parameters. The rake finger is opened up atψ = 80°~π/2 to reduce K(ratio between kinematical velocity of rake finger and forward velocity of semi-feed combine). θ(inclination of the stalk lifter)in a range from 60° to 65° and K from 1.44 to 3.51 can adapt better to the harvesting of wheat and dwarf rice.These estimate formulae of radius ( r ) and circular velocity (Vos) of rakestar-wheel, r ≥1/3(B-△S) and Vos=(rπ)/(r+S)Vm,are derived. The position of rakestar-wheel is also discussed.

我国南方许多单位对带扶禾器立式割台进行试验研究,并取得了显著成绩,为了充分认识扶禾器与拨禾星轮(下简称星轮)的工作与设计规律,本文对铅垂面型扶禾器和星轮影响梳穗损失,扶倒禾拨禾性能的主要参数,进行理论分析与探讨,从中找出一些规律性的东西,供设计单位参考。

More than 100 perovskite type ABO_3 compounds of known ferroelectrics(including anti-ferroelectrics) and paraelectrics have been analysed with two chemical bond parameters ΔX=X_B-X_A and (Z/r_k)_A / (Z/r_k)_B, where X denotes electronegativity and(Z/r_k)ratio of valence toionic radius of the cation.These parameters serve to separate ferroelectrics and paraelectr-ics into two regions in the(Z/r_k)_A/ (Z/r_k)_B-ΔX diagram. A recognition reliability of 90% hasbeen attained.Both the barium-containing compounds and...

More than 100 perovskite type ABO_3 compounds of known ferroelectrics(including anti-ferroelectrics) and paraelectrics have been analysed with two chemical bond parameters ΔX=X_B-X_A and (Z/r_k)_A / (Z/r_k)_B, where X denotes electronegativity and(Z/r_k)ratio of valence toionic radius of the cation.These parameters serve to separate ferroelectrics and paraelectr-ics into two regions in the(Z/r_k)_A/ (Z/r_k)_B-ΔX diagram. A recognition reliability of 90% hasbeen attained.Both the barium-containing compounds and the rare earth manganates havebeen found to be exceptional cases and the phenomenon explained on basis of crystal che-mistry.

对100余种化学式为(A_(α1)~1…A_(α2)~h…A_(αP)~n)(B_(β1)~1…B_(βj)~k…B_(βq)~m)O_3(sum from h=1 to n(αp=1),sum from k=1 to m(βq=1)钙钛矿型(包括畸变型)属性已知的化合物,用化学键参数A、B阳离子价径比(Z/γ_k)之商及电负性的差值ΔX,分别为纵、横坐标作图,显示出铁电-反铁电体与非铁电体之间有明显的分界线,证明所选化学键参数能确定这一类型化合物中铁电-反铁电体存在的稳定区域。进而对其余200余种属性未定的同类型化合物进行了计算,其结果为探索新的钙钛矿型铁电体指明了方向。估计这种方法应用于其他氧八面体复合氧化物铁电材料的探索亦有一定的指导意义。

The study is concerned with the combined—mode problems of the beam—liked elastic or viscoelastic cracked bodies. It is shown that even under symmetrical loads, because of the asymmetry of geomtry of the body, an asymmetrical double—beam model crack will extend asymmetrically. The partial beam—on—elastic foundation model have been used to determine the stress intensity factors K_Ⅰ and K_Ⅱ for such cases. For standard linear cracked bodies, for which Poisson's ratios remain constant during creeping, the fracture...

The study is concerned with the combined—mode problems of the beam—liked elastic or viscoelastic cracked bodies. It is shown that even under symmetrical loads, because of the asymmetry of geomtry of the body, an asymmetrical double—beam model crack will extend asymmetrically. The partial beam—on—elastic foundation model have been used to determine the stress intensity factors K_Ⅰ and K_Ⅱ for such cases. For standard linear cracked bodies, for which Poisson's ratios remain constant during creeping, the fracture angles are the same as those of the elastic cracked bodies. They can be determined from the results of our previous paper, provided that the K_Ⅰ/K_Ⅱ ratios are known.

本文论及类梁弹性或粘弹性裂纹体的复合型问题。文中指出:由于物体几何的非对称性,一个非对称双梁模型裂纹,尽管在对称载荷的作用下,也将非对称地扩展。我们采用了部分弹性基础双梁模型来确定这种情况下的应力强度因子K_Ⅰ和K_Ⅱ。对于蠕变过程中Poisson比v保持常数的标准线性裂纹体,其断裂角度与线弹性裂纹体的断裂角度相同。当(K_Ⅱ)/(K_Ⅰ)巳知时,它们可以从前文的结果中确定出来

 
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