Atmospheric precipitation

In the alloy studied in present paper,the mischmetal content is lower than the stoichiometrical composition,and some elements such as Co and Ni or Al-rich phase precipitation have occurred at the grain boundaries.

研究的合金中稀土元素含量低于化学比，晶界有Co，Mn和Al富集相析出。

Establishment of vertical structure of the stratiform precipitation.

1霰粒子的融化过程较快，然后是冰晶粒子，雪团融化过程为最慢。

he mixture of convective and stratiform clouds is an important precipitation system and also a major object for weather modification studies.

积层混合云是我国的主要降水云系，也是人工影响天气的主要作业对象，从云降水物理的角度来研究云系的形成和发展维系具有重要的意义。

Convective, cumuli-stratiform and stratiform of clouds. They have their own precipitation processes with time and space feature on the ground respectively.

结果表明：具有不同结构特征和降雨过程的对流型、积层混合型和层状型三种类型云体，产生了相应时空特征的地面降水过程。

We use the improved stratiform precipitating cloud model to simulate three stratiform precipitation processes.

与实际个例的对比表明，加进冰相降水粒子融化过程后的云模式更为合理。

Based on observations in northern China, the microphysical process of precipitation formation and the role of ice crystal playing in those processes for three kinds of typical stratiform clouds are analyzed using rain category model.

通过建立层状云雨滴的分档模式，对中国北方常见的三类典型层状云降水形成的微物理过程以及冰粒子在降水形成中的作用进行了数值模拟。

The results indicate that the model has certain prediction ability for stratiform precipitation.

利用MM5中增加的双参数显式云物理方案模拟了西北地区一次层状云降水过程，模拟结果显示对小雨的预报评分较高，对中雨以上评分低而且位置有一定偏差，即对层状云降水模拟效果较好。

Both the macro-and micro-physical structures of cloud systems and precipitation features indicate that heterogeneity existed in different parts of the stratiform cloud systems.

云系宏微观结构和降水特征都表明在层状云系不同部位存在不均匀性。

Furthermore, lime interferes with the precipitation of struvite.

此外， 石灰干涉鸟粪石的降雨雪。

Introducing struvite precipitation to the pretreatment of Zhang Jiagang steel plant was reported in this article.

研究用鸟粪石结晶沉淀法对苏州某钢铁厂焦化废水进行前处理。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。