Form P

At present, the most popular electronic file form& P DF file incorporated the multimedia information has the abundance of mutual way. PDF file was published on the Web, and it has a unique advantage in conveying.

目前最流行的电子文档格式&PDF文档，集多媒体信息于一身，交互方式丰富，并且可在Web上发布和传递，具有独特优势。

The transform and interrelationship of different form P among water, sediment and Hydrilla verticillata were studied in the imitated shallow-lake environment condition by cultivation Hydrilla verticillata in indoor and greenhouse, the transform mechanism and influence factor of different form P was also probe into.

本文在室内和温室内模拟浅水湖泊环境培养黑藻，通过研究水-沉积物-黑藻中不同形态磷的转化及其相互关系，揭示不同形态磷在水-沉积物-沉水植物体系中的转化机理和影响因子。

The activity percentage expression may eliminate variability ( P> 0.05), there are significant variation in other form ( P < 0.01).

结果：肝衰竭病人，PT百分率能消除变异的可能性（P<0.05），而其他表示形式仍有明显的差异（P>0.01）。

In this paper, it is proved that there is an infinite arithmetic progression of positive even numbers each of which is prime to 3, and has no representation of the form p+ 3~ k.

证明了如下定理：存在一个正偶整数的无穷算术数列，其中每一项都与3互素且不能表为p+3k形式。

A study on the form of P wave in predicting the locus of focal atrial tachycardia

P波形态对预测局灶性房性心动过速部位的研究