direct exchange

In the paper, the problems in the commercialization of the proton exchange membrane fuel cell ( PEMFC) and the direct alcohol fuel cell ( DAFC) are introduced.

介绍了质子交换膜燃料电池（PEMFC）和直接醇类燃料电池（DAFC）实现商品化的优势和存在的技术问题；

Evaluation of radiative direct exchange areas in a non gray medium

非灰介质中辐射直接交换面积的计算

overall, barter is an inefficient system for the direct exchange of goods that requires a transaction.

总之，易货贸易是一种低效的系统，用于直接交换货物，且需要一笔交易。

Application of escape factor and reception factor in calculating radiative direct exchange areas

逸散系数及接受系数在求解辐射直接交换面积中的应用

We investigated LaY by direct exchange from NaY under microwave radiation.

考察了在微波作用下，由NaY直接一步交换得LaY的结果。

Direct exchange of postal service is accessible between Guiyang and 145 countries.

目前能与全国各地及世界145个国家和地区直接通邮.

General symmetry and radiative direct exchange area

广义对称性与辐射直接交换面积

Driven by direct current, bipolar membrane splits water into H+ and OH-, which regenerate ion exchange resins conjugated with anion membrane and cation membrane.

双极膜在直流电场下，能使水解离，产生H~+和OH~-，与阴阳离子交换膜配合使用，可再生离子交换树脂。

Multimedia conference has played an important role on the exchange of information, it can provide much more direct and comprehensive communication to users than other applications.

SIP多媒体会议在信息交流中发挥了巨大的作用，它为用户提供了更直接、更全面的沟通交流。

Calculation of the direct exchange areas in the cylindrical furnace using Monte Carlo method

在圆筒炉中应用蒙特卡洛法计算直接交换面积

The radiant direct exchange areas have been solved by applying Dunkle's concept of geometric mean beam length of travel.

在预示计算中，应用Dunkle提出的几何平均射线行程计算辐射直接交换面积。

If it is in direct contact, may wish to exchange information.

如果是直接接触, 不妨提出交换信息的建议.

There is a direct exchange of goods.

他们会直接交换货物。

Compared to the second-hand house direct exchange market, the second-hand house brokerage market can efficiently save buyers' and sellers 'transaction costs with real estate brokers' service, so it is a more efficient exchange market.

与二手房直接交易市场相比，二手房经纪市场由于房地产经纪的参与有效降低了买卖双方的交易成本，是一种更为有效的交易市场。

Such an assay does not preclude the direct exchange of serine and glycerol phosphate.

这样一个试验并不杜绝丝氨酸同磷酸甘油的直接交换.

In this paper, the direct exchange area equations between any two zones in the cylindrical furnace are given.

本文给出了在圆筒炉中任意两区间的直接交换面积公式。

Can communicate in simple and routine tasks requiring a simple and direct exchange of information.

能够进行简单日常事务的交流，获得简单明了的信息。

as a generally accepted medium of exchange, money rules out the need for barter, the direct exchange of one item for another.

因为一般人都把金钱当作交易媒介，这就不必再进行物物交换了，即不必再以一种商品去交换另一种商品了。

Fundamentally, counter trade refers to the direct exchange of assorted kinds of goods and services.

实质上, 反向贸易指的是各种货物和服务的直接交换.

The card Western Europe much for direct exchange the information with CPU.

为和处理器的直接交换数据的卡片西方人欧洲很多.