叶卟啉

The molecule Chla consists of porphyrin and phytol,withthe magnesiumions being complex at the center of the porphyrin.

Chla的分子结构主要是由卟啉环和叶绿醇组成的，在卟啉环的中心络合了镁离子。

The molecule Chla consists of porphyrin and phytol, with the magnesium ions being complex at the center of the porphyrin.

Chla的分子结构主要是由卟啉环和叶绿醇组成的，在卟啉环的中心络合了镁离子。

Kupferschmidt and colleagues[1] described two patients with acute intermittent porphyria who presented with cortical blindness.

Kupferschmidt等人报道了2例表现为皮质盲的急性间歇性卟啉病患者，并于MRI上发现双侧枕叶病灶

Zincprotoporphyrin content in blood was detected with a hematofluorometer and compared with free erythrocyte protoporphyrin determined by extraction method in 30 pediatric patients.

作者用血液荧光仪直接测定了30例小儿微量血中锌原叶琳含量，并与萃取法测定的红细胞内游离原卟啉水平进行了比较。

The results showed that Celtis julianae 'Aurea' belongs to chl-deficient type. The main cause of turning yellow was the blockage of chlorophyll biosynthesis which could be somewhere in the formation of Pchlide.

导致金叶珊瑚朴叶色金黄的原因是叶绿素的合成受阻，受阻部位可能在Mg插入卟啉环后合成原叶绿素酯时。

The chlorin e6 7 and chiorin 11 were oxidized further with osmium oxide in the same oxidization condition to yield bateriochlorin 8 and 12, respectively.

卟吩醛2在碱性条件下转化为卟吩e6三甲酯7，2与烷基溴化镁的格氏反应给出脱镁叶绿酸醇9，选择高钌酸四丙基铵和N-甲基吗啉N-氧化物将3-位羟基氧化成羰基，所生成的卟吩二酮10在酸性条件下脱去甲酸甲酯生成焦脱镁叶绿酸衍生物11，用四氧化锇对7和11实施氧化，则分别转化为细菌卟吩衍生物8和12。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。