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Results showed that the combined effect of Streptomyces and Nocardia sp markedly increased the corrosion tendency of steel A3, decreased the impedance value and increased the corrosion current density of the electrode after 21 days of exposure.

结果表明，与单种菌相比，混合菌作用下试样表面的腐蚀倾向增大，阻抗值降低，腐蚀电流密度增加。

After 100 h thermal exposure at 1050 ℃, the surface Al2O3 scales are continuous, dense, and only very little amounts of alloy elements diffused from the substrate is detected in the overlayer.

一步法制备能提高含扩散阻挡层多层体系的界面结合强度， DB在恒温和循环氧化过程中能保持很好的抑制元素扩散的能力。

Exposure to fresh water caused acute stress: within 24 h, all specimens exposed to fresh water showed substantial photosynthetic damage, and after 4 days were photosynthetically inactive.

Halophila ovalis暴露在淡水中会受到研制胁迫：24小时内光合活性受到严重损伤，4天后无任何光合活性。

The benzene fraction of the liquid-liquid partitioning was found to be the most active against the larvae of Plutella xylostella and Pieris rapae, with the rate of antifeeding, at ×50 dilution, of 97.7%and 97.3%, respectively, after 12 h exposure.

液—液分配法中，苯提取物的拒食活性最高，在50倍稀释浓度下，小菜蛾Plutella xylostella和菜粉蝶Pieris rapae幼虫对其拒食率分别为97.7%和97.3%。

Ca 2+ at 1 64 mmol/L markedly increased ethanol tolerance of a self_flocculating fusant of Schizosaccharomyces pombe and Saccharomyces cerevisiae. After 9 h of exposure to 20% ethanol at 30℃, no viability remained for the control whereas 50 0% remained for the cells both grown and incubated with ethanol in Ca 2+_added medium.

生长阶段和冲击阶段均添加 1 6 4mmol LCa2 +能显著提高自絮凝颗粒酵母于 30℃在 2 0 %酒精冲击下的存活率，经过 9h冲击，对照组的存活率为 0 ，而添加Ca2 +试验组的存活率为 5 0 0 %，表明添加适当浓度的Ca2 +能显著提高菌体的耐酒精能力。

Used prophylactically, the drug prevented viral infection altogether when given to mice immediately before and again immediately after their exposure to various picornaviruses.

在预防学方面，当一只小老鼠在接触各种RNA病毒之前和之后又立即使用此种药物，则会阻止病毒的感染。

The inherent water resistance/repellance of the Praetorian fabric is good enough to repel light to moderate rain, but can eventually damp through after prolonged exposure under wetter conditions.

Praetorian布料固有的防水功能使得这件衣服在较少雨水的环境中可以使用，但是如果长时间在较潮湿的环境下曝露，也是会变湿的。

The survival rates of CEM cells cultured with cis-diamminedichicloroplatinum added 24 h later were higher than that cultured with hTERT ASODN and DDP added 24 h later. The survival rates of CEM cells cultured with DDP were similar with that cultured with hTERT SOND and DDP. In morphological observation of apoptotic cells using Giemsa staining, cells treated with DDP or DDP combined with hTERT ASODN ro SODN at 48 h, displayed classic apoptotic changes. Apoptosis rates of CEM cells treated with DDP for 48 h after 24 h of exposure to ASODN significantly increased. There was significant difference in the percentage of apoptotic cells of CEM cells between hTERT ASODN plus DDP and SODN plus DDP or DDP alone, respectively.

结果： hTERT ASODN作用于CEM细胞24 h再加入柔红霉素、长春新碱、足叶乙甙，对细胞生长的抑制分别与单用柔红霉素、长春新碱、足叶乙甙及hTERT正义寡核苷酸联合柔红霉素、长春新碱、足叶乙甙组相比，统计学上无显著差异(P＞0.05)。hTERT反义核酸作用于CEM细胞24 h加入顺铂，再共同作用48 h，CEM活细胞均数为2.318×108 cells/L，与单用顺铂组(3.250×108 cells/L)及hTERT正义核酸联用顺铂组(3.175×108 cells/L)相比，对细胞抑制明显增强(P＜0.05)。hTERT ASODN作用于CEM细胞24 h再加入顺铂作用48 h，细胞出现典型的凋亡形态学改变。hTERT ASODN与2.5 μmol/L顺铂联合作用于CEM细胞48 h的凋亡细胞百分率(19.47%)分别同SODN与顺铂联合作用组(6.97%)、单用顺铂作用组(6.02%)进行比较有显著差异(P＜0.01)。

Both nickel oxide and nickel subsulfide were toxic to HEL cells after 24hr exposure at a relatively low dosage.

研究表明，二硫化三镍和氧化镍在较低剂量下均对人胚肺细胞MRC-9和IMR-90有毒性作用。

Yahoo board of directors last week after conclave of 5, the identity exposure of new co-worker AOL, in this conference, the board of directors under weigh decides accredit manages a layer, in this week and small kind times the AOL below Hua Naqi has more thorough contact, of course, this also is up to now, what Yahoo board of directors gives out to Microsoft is the clearest " signal ": Do not abandon and Microsoft ask a price, but also do not abandon other collaboration likelihood.

雅虎董事会上周五的一次秘密会议后，新合作者AOL的身份曝光，在这次会议中，重压之下的董事会决定授权治理层，在本周与微软和时代华纳旗下的AOL进行更深入的接触，当然，这也是迄今为止，雅虎董事会向微软发出的最明确&信号&：不放弃和微软要价，但也不放弃其他合作可能。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。