查询词典 NA

Methods: On the basis of cloning the M-TNF c D NA encoding region,the authors constructed mTNFm,which could potentially expre ss on the c ell surface with a uncleavable type of TNF resulting in deletion of the sequence encoding enzymatic cleavage site of TNF-α-converting enzyme.

近年来研究表明，T NF的两种形式在受体结合、生物学效应等方面各具特征［3，4］。M-TNF通过直接接触在组织局部中发挥效应的特性，有望克服S-TNF在生物治疗应用中引起的远端及全身性毒副作用。

Methods: On the basis of cloning the M-TNF c D NA encoding region,the authors constructed mTNFm,which could potentially expre ss on the c ell surface with a uncleavable type of TNF resulting in deletion of the sequence encoding enzymatic cleavage site of TNF-α-converting enzyme.

在克隆M-TNF cDNA的基础上，删除两型TNF转换酶酶解部位的编码序列，构建出mTNFm并测序验证；建立只表达膜型T N F的真核细胞株。

A kind of M-TNF recombin ant with a stable,uncleavable mutant typewas constructed for its gene therap y. Methods: On the basis of cloning the M-TNF c D NA encoding region,the authors constructed mTNFm,which could potentially expre ss on the c ell surface with a uncleavable type of TNF resulting in deletion of the sequence encoding enzymatic cleavage site of TNF-α-converting enzyme.

近年来研究表明，T NF的两种形式在受体结合、生物学效应等方面各具特征［3，4］。M-TNF通过直接接触在组织局部中发挥效应的特性，有望克服S-TNF在生物治疗应用中引起的远端及全身性毒副作用。

High-Na andesites ; adakite ; melting of alkali-rich basaltic underplate ; Jiangxi province

高钠安山岩；埃达克岩；富碱玄武岩熔融；底侵作用；江西

Results:The rats occurred rotational behavior to ipsilateral side of intranigral FeCl3 injection; the DA level of FeCl3 and FeCl2 injection side reduced significantly (P＜0.01), the A, NA and 5-HT were uneffected.

结果： 注射FeCl3的大鼠出现向损毁同侧的旋转行为；注射FeCl3和FeCl2侧黑质内多巴胺水平显著降低，去甲肾上腺素、肾上腺素和5-羟色胺水平不受影响。

It includes two co-satured points, five univariant curves and four crystallization regions corresponding to NaCl,〓,〓, and 〓. It is important to investigate the phase diagrams for designing and optimizing the preparing process of the PSC adduct.

该四元体系及其三元子体系的相平衡研究，为Na〓SO〓制备〓合成工艺条件的确定和产物的分离提供了相平衡理论依据，为硫酸钠资源的综合利用提供了新的思路，具有重要的实用价值和学术意义。

So unsusceptibility of 〓-ATPase to pyrethroid insecticide may be associated with pyrethroid resistance.

Na〓K〓-ATPase对拟除虫菊酯类杀虫剂的不敏感性是抗性家蝇品系对拟除虫菊酯杀虫剂产生抗性的机理之一。

Sarentuoya Department of Jo urnal E diting, North west Uni versity for Na tionalities,china

萨仁托雅(西北民族大学学报编辑部，中国)：美尔根特门传说和禄尔东赞传说的比较研究

The relationship between the ratio of intensity of the third vibronic band to that of the first vibronic band in pyrene monomer fluorescence spectrum and its environmental polarity is used to probe the effects of alkali-metal chlorides MCl(M+= Li+, Na+, K+) on the microenvironment of b-cyclodextrin cavity.

基于芘的单体荧光光谱振动结构与其所处环境极性的相关性，研究了碱金属氯化物对β-环糊精空腔微环境的影响。

In some of the kindling na- ive rats, no hippocampal sclerosis phenomenon was found during the period of mature, this illustrates that no all the prolonged seizure during the early imma- ture rats can cause the hippocampal sclerosis of mature rats, there was an indi- vidual difference, which may be largely associated with an individual genetic susceptibility.

一部分致癎幼鼠发育至成鼠后并无海马结构的神经元损害和MFS现象，说明在幼鼠早期的长时间抽搐并不都能引起成鼠后海马硬化，存在着个体差异，这可能与个体的遗传易感性有很大的关系。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。