b free

Study on Technique of Tissue Culture of Virus B Free Chrysanthemum Morifolium

菊花脱除花叶病毒组培技术研究

Method : 1 male healthy volunteer of 20 years old was chosen to test the resistance when breathing in O 2 through A and B free doors by using the respiratory resistance instrument ;

方法：选择20岁男性健康志愿者1人，使用呼阻仪分别测试A、B两组活门的吸气阻力；

Type B : Free composite flap transplantation from the other ear .

B型：对侧耳廓复合组织瓣移植法。

The regulation of NF - κ B by free radical

自由基对转录因子NF-κB活性的调节

( iii ) All physiological index had interactive effects of dominant × environment , and chlorophyll a / b and free water content had interaction effects of additive × environment .

测定抗旱生理指标都存在显性×环境的互作效应，叶绿素a/b和自由水含量还存在加性×环境的互作效应。

The results showed those : ( I ) Chlorophyll a / b , free proline content and free water content of rice leaves were special physiological index of expressing its drought resistance ;

结果表明：①叶绿素a/b、游离脯氨酸含量和自由水含量是表征稻种资源抗旱性的生理指标。

The interaction effects of additive × environment of filled grain number per panicle , chlorophyll a / b and free water content were larger , but those of the others equaled to zero .

每穗实粒数、叶绿素a/b和自由水含量的加性×环境互作效应较大，另外6个指标的加性×环境互作效应都为0。

Can I use your bike , Jim . B : Feel free .

吉姆，我可以用一用你的自行车吗？B：请便。

Study on the Scavenging Activity and Influence Factors of Salvianolic Acid B to DPPH Free Radicals

丹酚酸B清除DPPH有机自由基活性及影响因素研究

Group A : immediate free periosteal grafts in adult rabbits ( left knee ), Group B : delaycd free periosteal grafts in adult rabbits ( right knee ) .

A组：成年兔左膝骨膜直接游离移植组；

Using the Hg 546.1 nm spectrum , the relation between the magnetic induction B and the free ( spectral ) range of F-P etalon is studied in experiment of Zeeman effect .

以Hg的5461nm谱线为例，讨论塞曼效应实验中磁感应强度B与F-P标准具自由光谱范围的关系。

( b ) create a free and secure atmosphere in class - room ;

在班级中创设自由安全的气氛；