查询词典 sampling fraction

In the fast sorption stage （before 48 h）, there was an up-to-down fluctuation of phenanthrene sorption ratio （sorption amount/added amount） in humic acid fraction, possibly due to surface sorption by minerals and competitive sorption by humin fraction.

在快吸附至转折点阶段，胡敏酸组分中菲的吸附比例出现先升后降的波动，可归因于初始时段矿物表面吸附、胡敏素竞争吸附的影响。

ELISA and CsCl- isopycnic ultracentrifugation purification products in each fraction indicated that the particle densities of the fraction with higher rHBcAg antigenicity mainly distributed at the densities of 1.27g·mL-1 and 1.40 g·mL-1, respectively.

分管收集的超离心纯化产物经ELISA抗原活性检测和密度分析，可知ELISA反应强度较高的收集管中的颗粒密度主要分布在1.27g/mL和1.40 g/mL两个峰值处。

The free fatty acids were extracted with petroleum ether and were separated on silicon gel column chromatography. The ethyl acetate-soluble lipid fraction and water-soluble lipid fraction were subjected to hydrochloric acid-catalyzed methanolysis, then were extracted with petroleum ether, respectively.

用石油醚提取低极性组分，经硅胶柱层析分离得到游离脂肪酸；用乙酸乙酯提取酯溶性神经酰胺及其衍生脂类，提取物和残余的水溶性脂类分别经盐酸甲醇解，水解产物再用石油醚提取。

The fraction is not described, but in the Celtic Rite there was a very complicated fraction, and in the Mozarabic the Sacred Host is divided into nine particles, seven of which are arranged in the form of a cross.

分数不是描述，但在凯尔特人队礼是一个非常复杂的分数，并在摩沙拉神圣主机分为9个粒子，其中7个排列形式的十字架上。

Cu was mainly associated with the oxidable fraction and the residual fraction, at the propriety geochemistry conditions, it may be released into the environment, certain threat will be formed to the periphery ecosystem.

Cu形态以有机结合态和铁锰氧化物结合态为主，在适当的地球化学条件下，可能被重新释放进入环境中，对周围的生态系统构成一定的威胁。

Furthermore, it was found that, when the ferromagnetic phase fraction is above the percolative threshold, the metal-insulator transition temperature increases, the resistivity decreases, but no obvious changes appears in the magnetoresistance value with increasing the ferromagnetic phase fraction.

最后，我们研究了两相比例对金属—绝缘体转变温度和磁电阻效应的影响，发现在渗流阈值以上，增加铁磁相含量可以提高金属—绝缘体转变温度，降低系统的电阻率，但对磁电阻数值没有明显的影响。

Using volatile acid and alkali to regulate the pH of pressed juice from bamboo shell,saltless Fraction Ⅰand Fraction Ⅱwere got separately.the residue of squeezed banboo shell was used as paper making material and medium for cultivation mushroom.

采用挥发性酸和碱调节鲜笋壳压榨液 pH值，分别获得无盐Fraction Ⅰ和fraction Ⅱ；其压榨后的蒲渣作为造纸原料和栽培食用菌的基质；对分离Fraction Ⅰ和Fraction Ⅱ后的汁液，加入Fe2 +并超滤浓缩，经硫酸铵盐析和丙酮分级后，进行CM 2 2纤维素离子交换柱层析，以 pH5 。2乙酸钠分级洗脱，获得RZ为 3 。0以上的高纯竹笋过氧氧化物酶。

The distributions of the volume fraction of the particle phase in the circular cross section were related to the mainstream velocity, and the volume fraction values increased downwards and sidewards with reducing mainstream velocity.

水平井圆截面上颗粒相体积分数分布特征主要与主流速度有关，随着速度降低，体积分数分布值向下向两侧增大。

The ionic conductivity of polymer electrolytes equaled 3.56×10-4 S·cm-1 when the mass fraction of silicotungstate lithium was 8.5% in polymer film. The lithium ions transference number, which was measured by the method of combination of AC impedance with DC polarization, decreased with increase of the mass fraction of Li4SiW12O40 in the porous polymer film.

为了提高聚合物电解质的Li+离子迁移数，人们设法增大阴离子的体积[6~8]使其难以迁移而达到提高Li+离子迁移数的目的，很少应用含有多个Li+离子的锂盐做聚合物电解质的Li+离子载体。

The resistivity of filled skutterudites increases with the increase of the filling fraction. It originated from the decrease of carrier concentration in the skutterudite for the samples with high filling fraction and also the difference of the content of Fe Sb〓 and Sb in the samples.

填充型方钴矿材料的电阻率随填充率的提高而增大，这一方面是因为镧的引入使材料的载流子浓度降低，另一方面低填充率的样品中的低电阻率还与样品中的FeSb〓和Sb杂质的存在有关。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。