So we can kind of flip it this way this will be one pi bond, this will be another interacting between these p orbitals.
我们可以把它这样翻一下,这是一个π键，这是另外一个p轨道之间,相互作用的π键。
So it already should make sense why we have that p orbital there, in order to form a pi bond, we're going to need a p orbital.
这里有p轨道是很合理的,为什么我们在这里有P轨道，为了形成一个π键，我们需要一个p轨道。
Ln and now I've got log of PI over p, and I'm just going to use the ideal gas law.
现在有，现在我要用理想气体定律。
There are large contouring errors around sharp corners when low-bandwidth servo controllers (such as P-PI control) are used.
有很大的错误，周围轮廓鲜明的弯道时，低带宽伺服控制器的使用。
The parameter design of PI controller is discussed and the design method of P parameter is given.
讨论了PI调节器的参数设计，并具体描述了P参数的计算方法。
Between three subtypes of ADHD, brain wave frequency of HI type was the slowest, of the PI type was the fastest(P<0.01).
三个亚型ADHD患儿中HI型脑电频率最慢，PI型频率最快，三个亚型间两两比较差异有非常显著性（P<0.01）。
A series of new aromatic poly(amide imide)s PI-P IV containing phthalazinone moieties are synthesized from the novel diamines I - IV by direct Yamazaki polycondensation.
设计将扭曲、非共平面的杂萘联苯结构引入聚芳酰胺亚胺的大分子主链，获得了耐高温、可溶解的新型聚芳酰胺亚胺。
The phosphorus acquisition characteristics were studied in wheat varieties with different P efficiencies under Pi-sufficient and Pi-deficient conditions.
在丰磷、缺磷条件下，对不同磷效率小麦品种的磷吸收特性进行研究。
PCNA-index(PI) in the high ligation groups were much lower than the control groups(P<0.01), while apoptosis index(AI) were higher than the control groups (P<0.01).
结扎组生精细胞PCNA增殖指数（PI）明显低于对照组（P<0.01），凋亡细胞指数（AI）明显高于对照组（P<0.01）。
But resistive index (RI) and pulsatile index (PI) were markedly higher in cirrhotic patients with ascites than that in cirrhotic patients without ascites and that in the control group (P<0.01).
但肝硬化腹水组肾动脉阻力指数（RI）和搏动指数（PI）均显著高于其余两组（P<0.01）。
The group of severe preeclampsia SRA PI, RI and S/D values than the control group and the mild and moderate PIH group were significantly higher, the difference was significant(P<0.01).
⑶重度子痫前期组SRAPI、RI和S/D值较对照组及轻度妊高征组、轻度子痫前期组均明显升高，具有显著性差异（P〈0.01）。
The rates of adverse perinatal outcome, SGA in abnormal umbilical artery PI group were significantly higher than those in normal umbilical artery PI group ( P< 0.05 ).
脐动脉血流PI值异常组中围产儿预后不良的发生率显著高于正常组，其中异常组中小于胎龄儿的发生率显著高于正常组（P< 0 .0 5 ）。
There were no changes of PI in aortic, carotid, brachial, radial, ophthalmic and central retina arteries (P>0.05).
搏动指数在主动脉、颈动脉、肱动脉、桡动脉、眼动脉及视网膜动脉两组间比较差异均无显著性（P>0.05）。
The quantitative perfusion parameters of renal cortical perfusion AUC increased, PI reduced, A increased, TTP extension, and the case group was significant different from the control group(P<0.05);
其定量灌注参数与对照组相比，肾皮质灌注曲线下面积增大、峰值强度减低、曲线上升支斜率增大、达峰时间延长，与对照组有显著性差异（P<0.05）；
Operating at 1.2mhz, this boost converter can operate in either P-Mode for superior transient response, or in PI-Mode for tighter output regulation.
在1.2MHz的工作，这升压转换器可以操作的P -模式优越的瞬态响应，或更严格的输出调节的PI -模式。
Operating at 1.2mhz, this boost converter can operate in either P-Mode for superior transient response, or in PI-Mode for tighter output regulation.
在1.2MHz的工作，这升压转换器可以操作的P -模式优越的瞬态响应，或更严格的输出调节的PI -模式。
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