查询词典 average number

The viscometry is used to determine average number molecular weights of polyhydroxyalkanoates taking chloroform as solvent.

以氯仿作溶剂，用黏度法测定了多聚羟基烷酸的分子量，摸索了检测的最佳温度与溶液浓度，比较了黏度外推法与黏度单点法测验结果，建立了黏度法测定多聚羟基烷酸平均分子量的操作方法。

The new phone comes after Japan's fertil IT y rate -- the average number of children a woman bears in her lifetime -- fell to an all-time low of 1.25 in 2005, sparking worries about a shrinking population.

日本女性的生育率（指一名妇女在其一生中所生育孩子的数量）在2005年时降至1.25，创下了有统计数字以来的最低点，并进一步引发了日本社会对本国人口数量日益萎缩的巨大担忧，而此款新型手机也正是在这一特定背景下应运而生的。

The ground-state energy and the average number of virtual phonons around the electron of a hydrogenic impurity confined in a parabolic quantum dot are calculated using the squeezed-state variational approach,which is based on two successive canonical transformations and uses a displaced-oscillator type unitary transformation to deal with the bilinear terms,which are usually neglected.

李伟萍 内蒙古赤峰学院物理与电子信息工程系，赤峰 024000肖景林内蒙古民族大学物理与电子信息学院，通辽 028043采用基于逐次正则变换的变分方法，利用单模压缩态变换处理包含声子产生湮灭算符的双线性项，研究了抛物量子点中束缚极化子的性质。

This paper probes into the problems that whether or not the measure of composite price index is the composite variation degree of the price, whether or not the averages' price index is the average number of individual indexes statistically, and whether or not the indicial testing theory possesses the theoretical significance.

文摘：就综合价格指数测度是否是价格综合变动程度，平均数价格指数是否是统计意义上的个体指数的平均数及指数检验理论是否具有理论上的意义方面的问题进行了探讨研究。

Only one cell line named OHe which could secrete McAb stably was obtained.The isotype of the McAb was IgGi,the average number of chromossme of the hybridoma cell line was 97 respectively.

经鉴定该单抗为IgG_1亚类，杂交瘤细胞的平均染色体数目为97条，杂交瘤细胞培养上清及小鼠腹水单克隆抗体的ELISA效价分别为1：1024和

The cultured cells appeared morphologically as spindle-shape and the average number of colonies which form in primary culture was 43±11. MSCs were positive for CD44 and CD29 but negative for CD34, CD45 and HLA-DR with a phenotypical identity of 99%.

上述结果表明，通过密度梯度离心方法分离培养的细胞不是骨髓造血干/祖细胞，而是一群形态和表型均一的间充质干细胞，具有独特的增殖和表型特征及较强的分化潜能。

The average number of Bacillus sp., ammonifying bacteria and presumptive sulphur oxidizing bacteria in treated ponds sediment was also generally higher(P.05) than that of the control ponds.

而养殖末期弧菌的数量却明显低于对照组(P.05)。

Furthermore, the average number of S .japonicum cercariae shed from superinfected snails were significantly less than that of single S.japonicum infected control.

对各试验组及对照组钉螺逸出尾蚴试验发现，试验组钉螺血吸虫尾蚴逸出量均显著低于对照组的逸出量。

When the average number of cross-links rises to about 1 in 30 the material becomes more rigid and brittle.

当平均人数两岸三通上升到约1 30物质变得更为刚性和脆性。

The annual member survey reports that AAFPRS surgeons completed a projected 10,700 rhinoplasties in 2006, with an average number of individual AAFPRS members performing an estimated 53.5 rhinoplasties per year.

一年一次的成员调查报道美国面部整形外科学会教育研究基金会的外科医师在二零零六年完成了超过一万零七百例鼻部整形手术，这就是说：平均下来美国面部整形外科学会教育研究基金会成员的每个人每年约完成近五十三点五例鼻部整形手术。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。