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The preliminary results showed that the atmosphere contaminator mainly contained SO\-2, NO\-\%x\% and suspended granule. Which caused large area acid rain with high frequency. As pollution became more serious, there were decreases in pH value and increases in the content of SO\+\{2-\}\-4 and Al\+\{3+\} in forest soil; the chlorophyll concentration also would decrease...

初步结果表明：大气污染引起珠江三角洲地区发生大面积、高频率的酸雨，主要的污染物有SO2 、NOx、悬浮颗粒物等；随着污染程度的增大，森林土壤pH值降低，SO2 - 4和Al3+质量浓度增大；马尾松、湿地松叶片叶绿素含量降低，生长衰退甚至死亡；但不同树种对大气污染敏感程度不同，种植马占相思比马尾松更能增加林地对酸雨缓冲力和提高土壤肥力。

When the distance kept increasing beyond 15 mm, the bond strength continued to decrease, and reached the lowest point of 1.11 MPa at the distance of 40 mm.

相距15 mm时板的胶合强度最大（1.71 MPa），距离为40 mm时胶合强度最小（1.11 MPa）。

Interestingly, while those born in New Zealand and the United Kingdom continued to represent the greatest proportion of settlers in Australia in 2008-2009 at 30%(47, 123), this is actually a decrease of 7.6% from these countries on last year.

有趣的是，在新西兰和英国出生的人继续占来澳定居者的大多数，在2008-2009年度达到30%（47，123），但与去年相比，已经减少7.6%。

In the Hirudoid forte group, a continuous decrease of fadioactivity was measured from the first day of treatment until the last day of examination.

在特强喜疗妥软膏组，从用药的第一天起直至检测的最后一天，放射活性持续下降。

Even without complications, the increase with age, systolic blood pressure also increased, and cardiac contractility and conductivity will decrease.

即使无合并症的情况下，随着年龄的增长，收缩压也会升高，而心脏收缩性和传导性会下降。

To decrease voltage is by adjustment of voltage control point in power grid.

以往都是通过调整电网电压控制点的电压来配合。

Therefore, Chinese Chloroacetic acid industry needs to improve present production technics, to increase production capacity and equipment standard, develop and take advantage of newfashioned efficient catalyst, make better manners and methods for controlment, to reinforce recycle and synthetically utilize mother liquor,so as to raise product quality and level, reduce production cost, decrease environment pollution, increase economic benefits.

因此，中国氯乙酸行业要改进现行生产工艺，提高生产规模与装备水平，开发利用新型高效催化剂，改进控制手段与方式，加强母液的回收与综合利用，从而提高产品质量和档次，降低生产成本，减少环境污染，增加经济效益。

The instability originated in the upper R_B-like convection zone develops to larger region with the increase of Grashof number, and the number of non-axi-symmetric circulations decreases. When Grashof number exceeds another critical value, cooling air may invade the cavity and flow toward the shroud, the circulations decrease to one pair occupying the whole cavity in radial, thus these two zones are merged into one. The core structures in the cavity rotate against the disks, while the structures keep no change at the case of periodic oscillatory flow. With the Grashof number rises, the flow undergoes stable, periodic, periodic with cool air invading, quasi-periodic and ultimately to chaos.

离心浮升力是造成非等温轴向通流旋转盘腔内流动不稳定的主要因素，而哥氏力的存在加剧了流动不稳定性，导致流场失稳提前发生，而且在哥氏力的作用下流线发生偏转，盘腔内r-θ面出现了旋向相反的对涡，流动结构更加复杂化；随离心浮升力的继续增加，r-θ面的对涡减少，当其超过某一临界值后部分冷流体侵入盘腔，对涡减少至一对，而且沿径向充满整个盘腔；此后随离心浮升力的增加对涡的数量不再变化；r-θ面的对涡相对于盘面周向移动，但是形状基本保持不变。

Results show that with the increase of the convergence angle,light field in biological tissues and the reflectance enhanced in the beginning,after reaching the peak value,its intensity decrease quickly and the position of its maximum deflects from central position.

结果表明：随着光源会聚角的增大，组织内光场分布和组织漫反射的分布趋于集中，当大于一特定角度之后，光场强度的分布区域迅速扩大，强度迅速下降，同时强度出现极大值的位置开始偏离中心位置。

From our experimental results, we find the expanding input features with back propagation learning rule can get fast convergence in training and decrease the mean absolute error between the desired output and the actual output.

实验显示，采用此种扩展型特徵值的倒传递学习法网路可以加速网路的学习效率以及降低实际输出值与期望输出值之间的绝对值误差。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。