pbi

Review on PBI Model of Teaching in American Primary and Middle Schools

美国中小学教学中的PBI模式研究

Objective To investigate the application and diagnosis value of MRI measurement methods in PBI .

目的探讨原发性颅底凹陷症的MRI测量方法及其应用与诊断价值。

Performance expectation on PBI / H_3PO_4 system high temperature PEMFC

PBI/H3PO4体系高温PEMFC的性能预测

Performance degradation studies on PBI / H_3PO_4 high temperature PEMFC and one dimension numerical modeling

高温PEMFC的性能衰减研究与一维数值模拟

PBI model has five steps .

这种模式的具体操作有五个阶段。

After 16 days in culture , one parthenogenetic egg which released pbI had been obtained .

培养16d得到1枚排出pbI的孤雌激活卵；

Problem based instruction ( PBI ) model plays a great role in the activity capacity of American primary and middle school students .

美国中小学教学中的以问题为基础的教学模式&PBI模式对美国中小学生的动手实践能力具有很大作用。

In the four synthesis technologies of PBI , solution polymerization and melt polymerization were relatively mature synthesis process .

其中溶液聚合法和熔融聚合法是相对成熟的合成工艺。

Doping the conductor into PBI membranes to get the inorganic-organic hybrid membrane .

将选定的无机质子导体与聚苯并咪唑膜基体，通过物理掺杂的方法进行处理，得到有机无机复合膜。

Construction of Plant Expression Vector pBI 121-MARs

含有MAR序列的植物表达载体pBI121-MARs的构建

Construction of the recombinant plasmid pBI GFP

带有绿色荧光蛋白基因（gfp）的植物重组表达质粒pBI-GFP的构建

Phosphoric acid doped PBI composite membranes exhibited a high conductivity at temperatures up to 200 ℃ under low humidity .

磷酸掺杂的PBI复合膜在温度高达200℃的低湿度条件下，呈现出高质子电导率。

Particle Beam Interface ( PBI ) is one of the techniques designed for liquid chromatography-mass spectrometry ( LC / MS ) .

粒子束接口（BPI，ParticleBeamInterface）是几种实现液相色谱－质谱联用的技术之一。

There is a positive relationship between protein-bound iodine ( PBI ) and maximum uptake by the thyroid .

38例血清蛋白结合碘表明，它们与甲状腺最大蓄~（131）I率呈正相关关系。

The number of the first polar body ( PbI ) were checked , and morphological classes of PbI were counted .

了解卵子第一极体形态与胚胎形态和临床妊娠的关系。

Since the PBI of proton exchange membrane on acid doped has been reported , polybenzimidazole polymer materials are more and more concerned by people .

自从有关磷酸掺杂PBI质子交换膜的报道以来，聚苯并咪唑高分子材料越来越受到科研人员的关注。

A Breeding of T and NK Cell Combined Immunodeficient PBI / 2 Beige Nude Mouse and Its Primary Application in the Biological Research on Cancer

T和NK细胞联合免疫功能缺陷型&PBI/2beige裸鼠的培育及其在癌生物学研究中的初步应用

In case of no effects on the mechanical strength , the obtained composite membrane had higher conductivity than the PBI membrane with the same phosphoric acid doping level .

在不影响机械性能的前提下，与相同磷酸掺杂水平的PBI膜相比，PBI/ABPBI复合膜的电导率有一定程度的提高。

Using WAXD method , the crystalline behaviours of poly ( butadiene-co-isoprene ) ( Ln & PBI ) at low temperature were studied .

本工作用WAXD法对以环烷酸稀土盐为主的催化剂合成的丁二烯和异戊二烯共聚物（Ln-PBI）在低温下的结晶行为进行了研究。

Methods 28 cases of PBI were diagnosed by MRI and proved by operation . 9 traditional X-ray measurement methods were put into use in MRI image and the results were evaluated .

方法选择经MRI确诊并行手术治疗的原发性颅底凹陷症28例，将传统的9种X线测量方法运用于MRI图像并对测量结果进行评价。

With the development of pervasive computing , pen-based interaction ( PBI ) as a natural human-computer interaction ( HCI ) has become a growing concern and research focus .

笔式交互作为一种自然的人机交互方式，日益被人们接受并成为研究热点。

It is found that the chemical structure of PBI treated in N_2 has no significant change up to 450 ℃, while the structure of the sample treated in air is changed a lot .

结果发现，在N2中直到450℃时PBI的结构都没有大的变化，而在空气中达450℃时PBI结构发生了变化。

Results The levels of H_2O_2 and PBI formation decreased with b_5R activity decreasing , inhibition of b_5R activity could inhibit generation of H_2O_2 and PBI formation .

结果甲状腺H2O2浓度和PBI形成随b5R活性降低而减少，抑制b5R活性可抑制H2O2和PBI的形成。

Due to Grotthuss mechanism of proton conduction , Polybenzimidazole ( PBI ) based PEM could conduct protons without water , showing attraction in potential applications of PEMFC at high temperature .

非氟质子交换膜中的聚苯并咪唑（PBI）由于其可按Grotthuss机理传导质子，即可在无水条件下传导质子，可望作为高温工作条件下使用的质子交换膜材料。

500 h continuous aging test on PBI system high temperature PEMFC was conducted , and it is found that the agglomeration of cathode catalyst was the main reason for the performance degradation in the aging test .

本文开展了基于电化学测试技术的PBI体系高温PEMFC的500h连续寿命实验，指出催化剂颗粒长大是性能衰减的主要原因；

In this dissertation , polybenzimidazole resins ,( PBI ) history of development , the current state of development , synthetic methodology , type , performance , application and the synthesis of monomer is first briefed introduced .

本文首先介绍了聚苯并咪唑树脂（PBI）的发展由来，目前的发展状况，单体的合成，聚合物合成工艺、种类、性能以及推广应用。

Objective : To study the effects of endothelin-1 ( ET-1 ) on mouse oocyte germinal vesicle breakdown ( GVBD ) and extrusion of the first polar body ( PBI ) .

目的研究内皮素-1（ET-1）对小鼠未成熟卵母细胞生发泡破裂（GVBD）、第一极体（PBⅠ）排出的影响。

This paper studies that in phosphoric acid solvent the lead amount is determined by combining pbI 2-4 complex ion and rhodanine B into purplish red ion and testing absorptivity through CCl 4 extraction .

在磷酸介质中，PbI42-络离子与罗丹明B生成紫红色离子缔合物，以CCl4萃取，测量吸光度，进而确定铅的含量。

The elaboration of relevant theory research home and abroad provides further proof of the value of this research . Next , the author is able to gradually construct a tailor-made PBI Model for primary school through constant research and practice .

国内外的相关理论研究的阐述进一步证实了本研究的价值。其次，在作者不断的研究和实践过程中逐步构建了适合小学的项目探究性学习的一般模式。

This paper mainly introduces the featares of new fibers for protective material , such as aramid fiber , P84 , PBI , Basofil , PBO , Kynol and etc.

综述了纤维性能与服用织物舒适性的关系，介绍了新型纤维的发展对服用织物穿着舒适性的改善和提高。