sample b meaning in English

尿样乙

" the sample b is positive , it ' s confirmed , " said a uefa spokesman
欧足联纪律委员会将就此举行一次听证会，时间暂定在11月17日。 ”
A . direct noninvasive detection of fetal downs syndrome from a mothers blood sample b
1 .由母亲的血液样本可直接及无创伤地检查胎儿有否唐氏综合症；
The surface structure of sample a would be more regulate and complete than sample b after annealing . tga was applied to analyze the weight loss process of vio xerogel
Sem谱显示样品a比样摘要品b表面光滑，经热处理后，样品a比样品b的层状结构更整齐、完整。
During the temperature of 360410 , the weight lose was aboutl . 8 % of both sample a and sample b . the calculating result of n ( water molecular number ) was n = 1 . 59 ( sample a ) , n = 1 . 79 ( sample b ) respectively . li + ion storage properties in xos xerogel films were related to the content of v5 + ion and the situation number that li + ion were capable to hold
干凝胶的离子储存能力受到薄膜中vk离子的含量和理离子可占据的总位置数限制，热处理温度对理离子的储存性有一定的影响：低温时，由于凝胶薄膜中层间水的脱出，有利于注理量的提高；高温时，有v坍离子产生，不利于注理量的提高。