bfr

Application and Research of BFR on Nitrate Accumulation in Vegetables

沼气发酵残留物减少蔬菜硝酸盐积累的研究与应用

The bifrontal ratio ( BFR) score in negative symptoms group was larger than that in positive symptoms group.

阴性症状组的双侧脑室前角距/颅内板距比（BFR）较阳性症状组为大。

BFR suggests that regulations on food-contact materials shall be applied on all types of toy material and without age restrictions.

BFR建议食品接触材料的法规应该应用于各类儿童材料，且无年龄限制。

BFR production has increased dramatically over the past 20 years.

其产量在过去的20年间迅猛增长。

BFR combat boot is designed to be used as standard military issue.

我们的战斗靴是为标准军事用途设计的。

⑵ The shape and volume of BFR could be controlled.

⑵生物学焦域的形态和大小可控。

The Study of Synthesis of Concrete Water reducing Agent BFR

混凝土减水剂BFR的合成研究

Results Compared with normal control group, blood flow rate ( BFR) of thyroid were higher in Graver's disease. There were statistically significant in thyroid volume, BFR of arteria thyreoidea superior, serum thyroid hormones ( P < 0.01 or P < 0.05).

结果正常组甲状腺内血流正常，Graver's病组腺体血流明显增加，Graver's病组治疗前后甲状腺体积、甲状腺上动脉血流速度、血清甲状腺激素水平差异均有显著性（P