查询词典 sampling fraction

At the same time, for ultraviolet, visible and near infrared range, the thickness, packing fraction and complex refractive indexes of the PZT thin films have been deduced from a transmission spectrum of the films by Envelope method.

同时，根据PZT铁电薄膜紫外、可见和近红外光区的透射光谱，采用"包络法"计算出了PZT薄膜的厚度、填充密度以及紫外、可见和近红外光区的复折射率及其射散频谱。

Then a complex fraction of coal tar anthracene oil was analysed under the same condition, which showed the application potentialities of this multidimensional chroma...

采用正相HPLC－GC联用结合反冲技术，分离了重质石油中的饱和烃、芳烃和极性化合物。

The complex supporters with different mass fraction of TiO2 for preparation W2N/γ-Al2O3-TiO2 catalyst were made by titanic acid tetra-butyl ester sol-gel method and γ-Al2O3 as raw materials.

Al2O3稳定性好、比表面积大，价廉易得，是一种广泛应用的催化剂载体，对以其为载体的油品加氢精制催化剂的研究也很多。

For the separation of the complex system of alcohol fraction of Fructus schisandrae chinensis, complex sample analysis system software was utilized to optimize the high performance liquid chromatographic conditions. The HPLC retention parameters a and c, and the peak shape parameters σ and W1/2 were obtained accurately and rapidly by analyzing 4 linear gradient elutions.

针对五味子乙醇提取物的复杂体系，借助于复杂样品分析系统软件，根据组分在4次简单线性梯度下42个峰的保留时间，快速准确地计算出各组分的液相色谱保留参数a，c值和峰形参数σ，W1/2。

The analyses of soil samples indicate that there are high values of physical clay fraction in arbor-bush-grass complex forest and apple orchard, which means strong capability to resist soil wind erosion.

3不同农地表层土壤机械组成分析表明，乔灌草地和苹果园地表层土壤物理性粘粒含量含量较高，说明其抗风蚀能力较强；葡萄园地和灌木林地表层土壤物理性粘粒含量较低，说明其抗风蚀能力较弱。

The device based on the copolymer with 1% molar fraction of Ir complex in the polymer had a peak luminous efficiency of 2.89 cd/A, and the maximal luminance of 1689 cd/m^2 with the configuration of ITO/PEDOT: PSS/emissive layer/Ba/AlPEDOT: poly(3, 4-ethytenedioxythiophene, PSS: poly.

基于铱配合物摩尔分数为1%的聚合物发光器件（器件结构：ITO/PEDOT： PSS/emissive layer/Ba/Al，PEDOT：聚（3， 4-亚乙基二氧噻吩），PSS：聚苯乙酸磺酸钠）在电流密度为40×10^(-3)A/平方公分时，最大电流效率达到2.89cd/A，器件的最大亮度达到1689cd/平方公尺，色坐标为(0.34， 0.59)。

The multiplier forms the partial products of the complex multiplication and produces a 32 bit signed fraction result.

The乘数形式部分产品的生产复杂的乘法和32位有符号的部分结果。

The amount of compound, super lattice and nitrogen in tantalum increases with temperature rising. And the account of compound phase has a maximum with the increasing of hydrogen mole fraction,and this maximum decreases with the increasing of temperature.

氮在钽中的固溶度随气压、温度和氢摩尔分数的增加而增加，化合物和超晶格相含量随温度增加而增加，同时化合物相随氢摩尔分数增加有一个极大值，该极大值随温度增加而下降。

Anther kind of break is an open or compound fraction.

另外一种破裂叫开放性或混合性骨折。

In the ESI+ mode the compound isolated from fraction III/9 showed a pseudo-molecular ion of m/z 261 ([M + 1]+) as well as sodium and potassium adducts with m/z 283 and m/z 299, respectively, thus suggesting a molecular mass of 260 Da.

在 ESI+模式下，从子馏分 III/9中提取出来的化合物分别出现了伪分子离子 m/z 261 ([M + 1]+)和纳钾加合物 m/z 283 and m/z 299，这样就暗示了260 Da 的分子质量。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。