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Planted wetland had a removal rate of organic matter 2.2% lower than unplanted wetland in winter with plant harvested. In other seasons, the removal rate of CODCr in planted wetland was 3.2%～4.2% higher than that in unplanted wetland, while BOD\-5 was 1.8%～4.8% lower than that in unplanted wetland.

结果表明，在植物收割后的冬季，有植物湿地对有机物的去除率低于无植物湿地2.2%；在其他季节，芦苇湿地对污水CODCr的去除率比无植物的高出3.2%～4.2%，但对BOD5的去除率却比无植物的低了1.8%～3.4%。

Planted wetland had a removal rate of organic matter 2.2% lower than unplanted wetland in winter with plant harvested. In other seasons, the removal rate of COD, in planted wetland was 3.2%~4.2% higher than that in unplanted wetland, while BOD5 was 1.8%~4.8% lower than that in unplanted wetland.

结果表明，在植物收割后的冬季，有植物湿地对有机物的去除率低于无植物湿地2.2%；在其他季节，芦苇湿地对污水COD的去除率比无植物的高出3.2%~4.2%，但对BOD5的去除率却比无植物的低了18%~34%。

Based on two-dimensional domain decomposition with small overlapping, we provide a method in which local lower and upper triangular incomplete factors are combined into an effective approximation for global incomplete lower and upper triangular factors of coefficient matrix.

基于二维重叠区域分解，对每个子区域上局部不完全LU分解所得到的上、下三角因子分别进行组合，给出一类全局并行不完全分解型预条件。

Cloud-like lower velocity materials in upper mantle upwell from depth of 150km, and flow along mantle weak zones at about 60～130km Upwelling of lower velocity materials are most obvious along the Tan-Lu faults and Yanshan area.

从地幔内低速体的宏观形态上看，呈现"蘑菇云状"，好象是低速体从150km深度以下沿幔内薄物带呈不规则柱状体上升，并在65-130km处向四周平流延展所致，而郯庐断裂带以及太行山以东的燕山地区附近，低速体的上升最为明显。

The vacuum cleaner supplies adequate cleaning power at lower rotational speeds and at lower air flow velocities, thus providing significant noise reduction.

真空吸尘器在低的旋转速度和低的空气流动速度下可提供足够的除尘动力，因此显著降低了噪音。

Test results show that the lower the fuel density (its viscosity is also lower,but vapour pressure is higher), the bett...

试验结果表明，燃油的密度愈低(其粘性也愈低，饱和蒸汽压愈高)，其高空点火性能愈好。

Methods:Preoperative angiography in all 12 veintype KTS patients showed that deep vein patency, no absent ,no obstruction in both lower extremity. Four of these patients which were simply lower limb extralateral varices were operated by varicotomy and varicosity branches ligation. Eight patients which diffuseexpansion type were applicated blood drive belt and tourniquet method and via high level ligation of great and small saphenous vein with varicose vein removal and ligation of perforating veins.

12例静脉型KTS患者术前均行双下肢静脉造影显示深静脉通畅，无缺如或阻塞，其中4例下肢外侧单纯静脉曲张行曲张静脉剥脱术及分支结扎术，8例静脉弥漫扩张者应用驱血带和止血带的方法行大小隐静脉高位结扎加曲张静脉切除及交通支结扎术。

Variegate had higher protein content and lower fat content and had microelements of Fe, Zn and Cu with some amount and the content of Zn, Cu, Pb and Cr were all lower than the limits of the metals in national free-pollutant seafood safety requirements (GB18406.4-2001) and could meet the microelements requirements of human body.

结论］青蛤和杂色蛤的蛋白质含量较高，脂肪含量较低，含有一定量的微量元素铁、锌和铜，且锌、铜、铅、铬的含量均低于我国无会害水产品安全要求(GB18406.4-2001)中的限量标准，可满足人体对微量元素的部分需要。

The application of vermicular iron in China is earlier than in Europe and American, however, lower limit of vermicularity specified in the present Chinese standard of vermicular iron is relatively lower.

蠕铁在我国的应用早于欧、美，但我国目前的蠕铁标准对蠕化率的要求尚低于欧美。

The lower surface tension, the lower viscous force of liquid and the higher electrical conductivity ratio correspond with better electrostatic atomization effects.

通过静电场对柴油轴对称射流的雾化试验发现，静电场能提高液体的雾化效果，它与采用增大喷射压力所获得的雾化效果大致相同。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。