1)  marA
marA
1.
Induce cultivate and gene analysis of acrA and marA gene in Escherichia coli resistance strain;
大肠杆菌耐药株的体外诱导及其acrA和marA基因分析
2.
Construction and expression of a prokaryotic expression vector encoding efflux pump regulated protein gene marA of Shigella flexneri;
福氏志贺菌外输调节蛋白基因marA的原核表达载体构建及其鉴定
2)  MARA
MARA法
1.
企业技术创新风险防范的MARA法;
企业技术创新风险防范的MARA法
3)  marA gene
marA基因
1.
A pair of specific primers with two unique restriction sites of BamHⅠand SalⅠ were designed according to the marA gene sequence published previously.
根据福氏志贺菌2a多药耐药基因marA的序列,设计并合成了1对特异性引物,在引物的5′和3′端分别加入含有BamHⅠ和SalⅠ限制性酶切位点的序列,以福氏志贺菌2a菌株基因组DNA为模板扩增了marA基因序列。
4)  MARA appliance
MARA矫治器
1.
The present research is to evaluate the clinical effects of the modified MARA appliance.
本研究采用改型MARA矫治器对16例生长发育期安氏II1下颌后缩儿童进行临床矫治,并以11例未经治疗的生长发育期安氏II1下颌后缩儿童作为对照,通过X线头影测量的对比分析,对改型MARA矫治器进行临床疗效评估。
5)  MA
MA
1.
The Mixture of MOS 2 and MA as Collector in the Flotation Industrial Experiment of Diaoquan Silver Copper Rock;
MOS-2和MA混用浮选刁泉银铜矿工业试验
2.
DESIYN AND APPLICATION OF CIRCUIT OF A SIGNAL GENERATOR WITH mA,mV,V SIGNALS;
一个mA、mV、V信号发生器电路的设计与应用
3.
Study on the Effect of MA to Keep the Nectarineon A Simple Shelf Fresh;
模拟简易货架条件下油桃MA保鲜效果研究
6)  MA island
MA岛
1.
Size, distributing, morphology and number of the MA island influencing yield ratio, yield strength and DWTT of the pipeline steel are introduced in the paper by analyzing influence of the MA island on mechanical properties in X70 and X65 pipeline steel.
通过力学试验研究分析管线钢X70、X65中重要组分MA岛对力学性能的影响,得出MA岛的尺寸、分布、形态、数量对管线钢的屈强比、屈服强度、落锤影响的规律。
参考词条
补充资料：2-ketocou-maran
分子式：
CAS号：

性质：又称α-香豆冉酮；2-氧代香豆冉；氧代二氢香豆酮。有两种结晶系。稳定形：熔点28～28.5℃。不稳定形：熔点49℃。沸点245～249℃。相对密度1.2236。折射率1.555。用水或苛性碱处理，即变成邻羟基苯乙酸。将邻羟基苯乙酸干馏制取。用作调香剂。

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