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The amount of neuron at 2st week for EG and CC were 36.50±1.78/EF and 19.70±3.71/EF respectively, with the percentage of (43.60±4.83)% and (39.04±3.87)% for EG and CG, which had significant difference (P.05) Conclusion: Self-assembled IKVAV peptide nanofibers, which can degrade the neuron mortality as well as promote neurite sprouting and growth, is a bioactivity scaffold, it can serve as a superordinary nerve tissue engineering scaffold.

自组装IKVAV多肽纳米支架能降低神经元的死亡率，并诱导轴突的发生和生长，具有支架及生物活性双重作用，可作为神经组织工程支架材料。

To take Tagetes erecta frozen dried powder, ensilaged fresh flower as raw materials, the suitable water yield 6.8, 2.8～3.8 mL/g respectively that the extraction process needed in the water-organic solvent coexistence system was determined, which has guaranteed a good enzyme activity, it can degrade the plant cell wall to make hydrolysis carry on smoothly.

分别以万寿菊花冻干粉、青贮鲜花为原料，在水－有机溶剂共存体系确定提取过程所需要的最适水量分别为6.8、2.8～3.8 mL/g，保证了该体系中较好的酶活性，能够降解植物细胞壁使水解顺利进行。

A strain TFD-9 that was able to degrade sulfur in coal was isolated from soil in a coal mine and identified as Thiobacillus ferrooxidans.

从湖南某煤矿附近的土壤中，分离出能有效脱除燃煤中硫的菌株TFD-9，鉴定为氧化亚铁硫杆菌。

He must turnaway from ideas which degrade the human soul so that day by day and hour by hour he may advance upward and higher to spiritual perception of the continuity of the human reality.

因此，人应当抛弃&灵魂虚无&和&一了百了&这类绝对虚妄的观念，并且应该明白：在上天创造苍生的大计中，人是永生不朽的。

When TA or Diethylene glycol terephthalate were applied to common metabolism, F4 and p.ch were used to degrade uncrystalline Polyethylene terephthalate film, which was prepared by resolving PET fiber with organic solvent, at temperature of 30℃, shaking frequency 140 r/min in HZQ-C air bath oscillator from one month to three months, and then the scanning electron microscope was applied to observe faces of PET film.

在菌株最佳生长条件下，分别以TA和DTP作为共同代谢基质，研究F4和p.ch菌株降解PET膜。

Keratinase can degrade disulfide bonds in the keratin obviously,and make it hydrolysable,which can effectively solve the problem of serious pollution in the traditional unhairing process in leather-making industry.

角蛋白酶可以特异降解维系角蛋白结构的双硫键，使角蛋白发生水解，从而达到使动物皮脱毛的目的，因而能够从根本上消除传统制革工业硫化碱脱毛产生的严重污染。

Hp infection can degrade gastric mucosa's resistance, but it isn't the main cause of uraemic gastric mucosal lesion.

Hp感染可以降低胃黏膜的抵抗力，但Hp感染不是尿毒症胃黏膜病变的主要原因。

Based on a brief review of semiconductor photocatalytic mechanism and researches in the past 30 years on TiO2 heterogeneous photocatalysis, this paper emphasizes that the natural vanadiferous rutile and its modified products, which have not been investigated by either Chinese or foreign research groups, degrade halogenated organic contaminants. By means of grinding, heating in situ, heating, quenching and electron irradiation, the natural rutile could be modified.

在简述半导体光催化理论及TiO2多相光催化作用近30年研究现状的基础上，重点对国内外一直处於空白状态的天然含钒金红石光催化性能进行研究。

In previous study, a strain of Xanthomonas sp. that could degrade completely Poly alcohol had been isolated.

前期研究分离到一株能高效降解并矿化聚乙烯醇的黄单胞菌(Xanthomonas sp。)。

Operators could block access or degrade the quality of their data services, but that would antagonise subscribers.

运营商可以禁止用户使用数据业务或者降低他们使用的质量，但这样有可能使用户产生敌对心理。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失