PEM

At the same time electro-osmotic drag, back diffusion, hydraulic permeation and net water transport coefficients and water content in the membrane increased rapidly, while proton transport resistance decreased, which improved the performance of PEM fuel cells.

增大电池的操作压力，电渗拉力系数、反扩散系数、水力渗透系数、水净迁移系数和质子膜的含水量增加，而质子传递阻力下降，使燃料电池的性能得到了提高。

Influence of Cooling Water on Temperature Distribution in PEM Fuel Cells

冷却水对电池中温度分布的影响

Optimized control models under PEM SPM EDM control algorithms are obtained.

给出了系统在PEM、 SPM、EDM三种控制策略下的优化控制模型.

Flow field plate is one ofthe key parts in proton exchange membrane fuelcell ( PEM FC ).

流场板是质子交换膜燃料电池 ( PEMFC ) 的重要元件之一.

The PEM has overall technical leadership and enforces timely issuance of technical documentation for the project.

项目工程技术经理具备全方位的技术领导职责,并负责项目技术文件的及时发布.

Model of Cathode Catalyst Layer and Analysis on Performance of PEM Fuel Cells

PEM燃料电池阴极催化剂层的模型及性能分析

Some primary study on synthesis and performance of non-fluorinated SPEEK PEM and SPEEK self-humidifying membrane was carried out.

对非氟SPEEK磺酸质子交换膜制备和性能进行了初步研究，并对自增湿SPEEK膜进行了尝试研究。

In addition paper introduces 3 certificate forms ( PEM, DER, P12) also, and makes brief to explain PEM code and DER code of certificate.

此外，文章还介绍证书的3种格式（PEM、DER、P12），对如何实现证书PEM编码和DER编码作了简要说明。

The performance and power density of PEM fuel cells, whose effective reaction area is 4 cm × 4 cm, are tested by fuel cell test station.

方法运用燃料电池测试站对有效面积为4cm×4cm的PEM燃料电池单体的性能和功率密度进行了实验测试。

PEM ( project execution model ) will be used in the project.

PEM 系统将在此项目上运用.

In the meantime, we also take charge of the products of the American firms, The PEM and The POP, and the Japanese AVK company.

同时，我司也经营美国PEM公司的产品，美国POP公司产品，日本AVK公司的产品。

A summary of the study on the homeobox gene Pem

同源异型框基因Pem研究的概况

The effects of the fuel cell operating temperature and reaction gas humidification temperature on the performance and power density of PEM fuel cells are analyzed.

分析了电池加热温度，氢气和空气的加湿温度对PEM燃料电池性能和功率密度的影响。

PEM's excellent mineral resources, PEM acquisition will enhance the value of the company.

PEM的矿产资源优良, 公司收购PEM将提升公司的价值.

On PEM system and development of its application software

脉冲瞬变电磁系统及其应用软件开发

Proton Exchange Membrane ( PEM ) Fuel Cell is a clear and efficient new energy source.

质子交换膜 ( PEM ) 燃料电池是一种清洁高效的新型能源.

Pulse Echo Method ( PEM ) is a fast , economic and feasible method for Low-strain Dynamic Testing ( LDT ) of piles.

小应变反射波法是当前在工程桩基检测中应用的动测法之一.

In air-cathode microbial fuel cell ( ACMFC), oxygen diffused into the reactor from cathode without PEM can be reduced as electron acceptor via aerobic respiration by facultative microorganisms, resulting in either a decreasing of power generation or electron loss.

在空气阴极生物燃料电池（ACMFC）中，从阴极扩散进入阳极的氧气能够被兼性微生物作为电子受体还原，进而导致电子损失严重。

PEM system is an effective tool widely used in leakage localization and analysis of microelectronic device.

光发射显微镜(PEM) 系统是应用于微电子器件漏电流定位和分析的有效工具.

C : Hola Paula . Pem í teme presentarte a mi amigo Juan.

你好,宝拉, 我给你介绍一位我的朋友娟.

In order to import private key to the appliance, the format of the file must be DER, PEM, PKCS# 8, or PKCS# 12.

为了将私有密匙导入该设备，文件格式必须为DER、PEM、PKCS8或PKCS12。

Effect of ambient conditions on the air-breathing MEMS H_2/ Air micro PEM fuel cells

环境对自呼吸式MEMS微型H2/空气质子交换膜燃料电池的影响

This electric vehicle powered primarily by 30 kw proton exchange membrane ( PEM) fuel cells, with Lead-acid battery as assistant power, and with focus classis as virtual vehicle classis.

并采用与focus汽车同样的底盘和车身，用30kW质子交换膜燃料电池为主动力源，以铅酸蓄电池为辅助动力源。

Based on the information provided by American Energy Department, it describes the cost analysis of PEM fuel cell for cars.

本文根据美国能源部资料介绍了对车用PEM燃料电池的成本分析。

The Failure of PEM Caused by the Mismatch of CTE

热膨胀系数不匹配导致的塑封器件失效

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。

Expression of Mouse Homeobox Gene Pem in E.coli

小鼠同源异型框基因Pem在大肠杆菌的表达

Let's go to transform the mud to PEM system.

去将本段泥浆转化成pem泥浆体系.

The three-dimensional model of cathode in a PEM fuel cell

PEM燃料电池阴极三维数学模型

The BCFM network could be used not only in electronics cooling, but also in micro structure designs, e.g., polar plate of micro PEM, micro mixer, and micro chemical reactor.

这种分形微管道网络除用于电子器件冷却，还可用于微燃料电池极板、微混合器、微生化反应器等微化工系统结构设计。