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Results Risk of lung cancer increased steadily with duration of exposure to nitrosoamine, which roached the peak after a latency, about 20 to 30 years after initiation of exposure, and then lowered rapidly.Conclusion The pettern of exposure to nitrosoamine shown in the rubber workers conformed with the features of a late-stage carcininogen for lung cancer.

结果 肺癌危险度随亚硝胺暴露年数增加而稳定升高，从暴露开始后经过一个潜隐期(大约20～30年)，肺癌危险度达到最高峰，然后迅速下降，结论本资料中亚硝胺暴露对肺癌危险度所显示的结果符合晚期阶段致癌原的特性。

Between 2,500 yr BP and 1,800 yr BP. This was a neo-glacial age with a cold snap. The ice-cap on the King George Island and Ardley Island advanced. Iso -static adjustment lowered the palaeo -first terrace at the edge of Ardley Island under the high tide sea level. This made the rookeries around Y2 lake disappear and Y2 lake changed into a lagoon. The fact of Y2 lake under the sea level was coincident with the radiocarbon age (2180±95 yr BP) of the modern third raised beach terrace with 14m-height above the sea level near Yin ' Ou lake in the Fildes Peninsula.

第二阶段，距今1，800至2，500年，该时期气候骤冷，温度急降，该时期乔治王岛的冰帽有所扩张，同时在阿德雷岛上也出现小规模冰进，由于&地壳均衡&补偿使得该岛边缘古一级阶地处于高潮海平面之下，Y2湖周围的企鹅聚居地消失，该时期 Y2湖沉积表现为泻湖相沉积，与 Y2湖相邻的 Fildes 半岛燕鸥湖边海拔14米的上升海滩的三级阶地14 C 年龄为2180±95yr。

The levels of HO-1 mRNA and its protein expression were lowered gradually on day 21, which were in parallel with the severities of symptoms and signs of EAE.

此时大鼠的病情最重、体重减轻最显著、脑组织病理改变最明显。21 d时脑组织HO-1基因和蛋白表达量逐渐下降，大鼠EAE症状也逐渐减轻。

Once the nut has been shimmed sufficiently, the string height can then be lowered, if necessary, using the same procedure as described above.

万一垫片垫厚了，琴弦高度也是可以降低的，如果必要按照上面描述的方法做一遍（译者注：嘿嘿，就是我偷懒的那一段

The girl lowered her head and simpered.

那女孩低头傻笑。

The maid lowered her chin and simpered.

那位侍女压低下额傻笑着。

Less visibly, there were isolated skirmishes, some of which also lowered prices in Wal-Mart's stores.

还有一些不太明显的单独的冲突，这些商品在沃尔玛的实体店中也降低了价格。

In addition, on flights to and from China also lowered Korea, Southeast Asia, such as fuel surcharges.

此外，上航也下调了中国往返韩国、东南亚地区等的燃油附加费。

Results After 3 months of kidney radiation by 15 Gy of Cs137 γ-rays, the changes with kidney shrank, Bowman's capsules straitened or disappeared, glomerular swelled, some epithelia denaturalized or died were observed. Mitochondria tumefied and the cristae shortened, lessened and disordered. Urine β2-MP rose evidently. It was lowered significantly the renal 25-OH-D-1α-hydroxylase activity and its mRNA expression. The dry and ash weight, BMD of femur and lumbar were significantly reduced, volume and width of bone trabecula were distinctly decreased and the space increased in model group. The Pyd / Cr increased and ALP decreased as well.

结果 15Gy 137Cs-γ射线肾局部照射3个月后肾脏体积缩小，肾小球肿大，Bowman氏囊囊腔狭窄甚至消失，部分肾小管上皮细胞变性、坏死，线粒体肿胀，体积增大，线粒体嵴变短、减少、排列紊乱；尿β2-MP显著增加；肾1α羟化酶活性及1α羟化酶mRNA基因表达量明显下降；肾辐射组股骨干重、灰重、腰椎和股骨BMD明显降低；骨小梁体积和骨小梁宽度减少，骨小梁间距增加，MAR减小；腰椎压缩和股骨三点弯最大载荷明显降低，Pyd / Cr值明显增加，ALP显著降低。

A pair of retractable wheels in front are also provided.Along with the coupling or uncoupling operation,they can be raised or lowered automatically.

在车辆的前部另外安装有一对伸缩轮，随着接合和分离操作的进行，它们能够自动的张紧和放松。

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。