下降的

Preliminary tests were carried out to study the behavior of NO and NH3 over fresh sorbents in the presence of oxygen.

利用程序升温方法研究了两类催化剂对NH3和NO的氧化性能，发现NH3在高于400℃下急剧氧化，是脱硝效率下降的主要原因。

We analyzed the reasons for the decline, mainly as snowstorms, earthquakes, floods, and other major social events, or the impact of natural disasters.

下降的原因我们分析，主要是像雪灾、地震、洪灾等各类重大社会事件，或者是自然灾害的影响。

Compared to the performance of the post-implantation annealed device, it is presumed that the reason which led to the degradation of the performance of the reflowed device is the instability of the ZnS passivation layer.

与离子注入后退火器件的性能变化相比，推测导致器件回熔后性能下降的原因是ZnS钝化层受热不稳定。

AIM In order to investigate the effects of pyrethroid on the cytochrome c oxidase activity of mitochondria in rat liver and brain and try to explore the mechanism of the inhibition of thyroid hormone.

目的 观察拟除虫菊酯对大鼠肝脏和脑组织线粒体细胞色素氧化酶活性的影响，初步探讨甲状腺激素水平下降的可能原因。

Altogether, 12 families of birds have half or more of their global populations showing a decreasing trend, including storks, shoebills and plovers.

一起有12个鸟族中有在全球一半或更多的群体出现了下降的趋势，包括，鹳，鲸头鹳，珩科鸟

For women, the biggest influence is declining levels of oestrogen which occurs naturally during the menopause.

对妇女来说，最大的影响力下降的雌激素水平，自然会出现在更年期。

One of our ninjas was nice enough to drop by the BGR offices with a gift.

我们的忍者很高兴，足以下降的BGR办事处礼物。

This algorithm is implemented by a low complexity upward-downward procedure and the parameter re-estimation is implemented by gradient descent.

给出了优化过程中梯度计算的上行－下行算法和基于梯度下降的参数重估公式。

The volume resistance and transparence of nanocomposite films were slightly decreased with the amount of γ-Al2O3 increasing.

由体积电阻系数及光学穿透度分析结果显示，随著奈米γ-Al2O3的含量增加，呈现略为下降的现象。

The risk that the unit price or value of your investment will decrease.

市场风险：即投资的单位价格或价值下降的可能性。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。