根瘤含有亚铁和亚铁一氧化豆血红蛋白的混合物.Nodules contain a mixture of ferrous and ferrous - oxy leghemoglobin.在PH值 7.0―7.5时,一经曝气亚铁离子很容易转化为铁离子.Conversion of ferrous to ferric iron occurs readily upon aeration at PH 7 . 0 - 7. 5.第三个例子是前章提到的硫...
Conclusion: Extra estrogen could prevention of acute lung injury induced by lipopolysaccharide.结论: 外源性雌激素对脂多糖诱导的急性肺损伤有保护作用.With gram - negative organisms, depletion of the lipopolysaccharide layer with EDTA greatly facil...
Geffen has a hunger for success that seems bottomless.格芬的成功欲望似乎永无止境。It's terrible to hunger for news when the family's letters don't arrive!盼望音信而家书却不到,那滋味可真是难受 啊 !His hunger for excitement got him into a l...
We have a very communicative approach to teaching languages.我们在语言教学中非常强调交际教学法。At their approach the little boy scurried away and hid.他们走近时,小男孩急忙跑开藏了起来。The traffic on the approach road slowed to a crawl.引路上车辆行驶缓慢。...