查询词典 pi

Through dynamic mechanical analysis and thermal gravimetric analysis, mechanical property and thermal performance of a-BPDA-PI were tested.

联苯型PI除了具有优越的热稳定性，耐热氧化性，加工性能，光电性能和优异的力学性能外，还克服了均苯PI难于加工的缺点[2]。

And designed using pole-zero cancellation and with a PI plus repetitive control block heuristically tuned.

图5。带简单PI控制器（基于图5中简化的一阶系统，使用消除零极的设计）的热交换器及带PI加搜索调谐控制模块的热交换器，控制两者时的效果之比较。

Under hypotonic condition, the surrival rates of pI〓-expessing cells were significantly higher than that of control cells.

低渗条件下进行大肠杆菌菌落存活率的检测，结果显示有pI〓表达的大肠杆菌菌落存活率明显高于无pI〓表达的对照组大肠杆菌的菌落存活率。

After 2 years' follow up, the above measurements were performed again. The correlation of changes of GFR and changes of interlobar artery RI and PI was analyzed.

随访2年后再行一次上述超声和肾功能检查，比较叶间动脉RI、PI和肾功能的变化情况，作RI、PI变化值与GFR变化值的相关性分析。

It indicates that the Mowse score is 80 between 17# sampleand (CATA3SOYBN) Catalase 3, greater than 66 is significant, molecular weight and pIare adjacent relatively. We can consider 17# sample is (CATA3_SOYBN) Catalase 3; theMowse score is 191 between 29# sample and ATP synthase beta chain,greater than 66 is significant, molecular weight and pI are adjacent relatively.

结果表明，17#样品与(CATA3_SOYBN)Catalase 3的匹配分数是80，匹配显著，同时分子量和等电点pI比较接近，因此可以认为17#样品是(CATA3_SOYBN)Catalase 3；29#样品与ATP synthase beta chain的匹配分数是191，匹配显著，同时分子量和等电点pI比较接近，可以认为29#样品是ATP synthase betachain；53#样品和43#、45#、52#样品的肽段峰一样，应该是同一类蛋白。

First, this paper introduces a process calculus, the pi-calculus, into the intelligent agent domain, and agent mental attitudes, agents and agent-based systems with dynamic characteristics, agent interactions, and agent cooperations are studied formally in the polyadic pi-calculus.

首先，本文将进程演算引入智能主体研究领域，利用多价pi演算对主体的心智状态、基于主体的系统、多主体交互及协作进行了形式化。

Basing on these conclusions, Polyimide/silica composite material films with different silica contents have been prepared by sol-gel approach, and the characters were tokened; Ethanol/water mixture were separated using PI film based on pervaporation, the changing relations of permeation flux, separation factor and concentration, temperature were studied.

在上述试验基础上，采用溶胶-凝胶法制备不同SiO_2含量的PI/SiO_2复合薄膜，对其性能进行了表征；利用制备的PI薄膜渗透汽化分离乙醇/水溶液，研究了渗透通量和分离因子随料液浓度和温度的变化关系。

The purified anti PI-IgG can effectively inhibit the adherence and infection of gonococci to genitourinary tract epithelia of BALB/c mice. In addition, the blocking duration of anti PI-IgG is associated with antibody concentration.

纯化的抗淋球菌GST-PI融合蛋白的多克隆抗体，能有效抑制淋病奈瑟菌对小鼠泌尿生殖道上皮的黏附与感染，阻断作用及持续时间与抗体浓度有关。

Combined with the nonlinear characteristics of wind turbines and the control strategy of generator-side converter and grid-side converter, used the design method for digital PI regulator, the back-to-back PWM converter on the wind-power system with direct-driven permanent magnet synchronous generator was built in the simulink of the MATLAB.

结合风力机的非线性特性和机侧变换器与网侧变换器的控制策略，应用数字PI调节器参数设计方法，在MATLAB/simulink仿真环境下构建了基于背靠背变换器的永磁直驱风力发电系统，系统包括风力机、永磁同步发电机、变频器、电网及其电气控制部分的数学模型，仿真结果表明风电系统的PI调节器参数设计合理且系统具有良好的运行特性。

For instance, to display the pi symbol you just write \pi and to display the integration sign you write \int and so on.

例如，要显示你刚才丕符号写\ pi和显示一体化标志你写\ int和等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。