总势

分析了电阻法控制气氛碳氮总势的原理；

The principle of the gas C-N total potential controlled with the resistance method is analysed .

介绍了电阻法碳氮总势控制仪和电阻法微机控制气体碳氮共渗系统的硬件原理结构、组成、功能特点、软件流程框图、有关数学模型以及生产应用情况。

The controlling instrument of the C-N total potential and the hardware composition , the functional characteristics , the software flow diagram , the mathematic model of the system of the gas carbonitriding controlled by microcomputer in the resistance method and the producing application are presented in detail .

研究了在碳氮共渗总势CNp＝1.1%时，不同时间里氮势Np对不同合金钢的渗层深度S、渗层浓度分布、共渗速度因子A的影响；

When carbonitrogen potential CN p equals 1.1 % , it ′ s studied the influence of nitrogen potential N p on the depth S , distribution and speed factor A of carbonitriding with different alloy and time .

本文假定R.基于低速与量级假定，将总速度势Φ分为合模势（？）

Based on R. The total velocity potential Φ is divided into two parts , the double-model potential (?)

总光合势增加36.7%，光合速率增加CO20.57毫克/分米~2时以上，生长中心提早5天以上转至根部。

Total photosynthetic potential increased 36.7 % and rate of photosynthesis increased more than 0.57 mg / min m ~ 2 of CO_2.The growth center was transfered to the root region more than 5 days earlier .

当具有不同温度分布的多种导体连接在一个环路中时，按照帕尔贴电势和汤姆逊电势分析环路中的总的热电势是困难的。

When some different conductors are connected into a closed circuit with any temperature distribution , it is difficult to analyze the total thermoelectrical potential in the closed circuit according to the Peltier potential and the Thomson potential .

通过田间试验查明：地膜覆盖增强了春玉米光合性能，其平均叶面积指数增加0.43，总光合势提高15%，净同化率增重0.19g/m2·d；

The results of field experiment proved that : The photosynthetic function of spring maize is improved by film , and the average leaf area coefficient is increased by 0.43 , photosynthetic potential is increased by 15 per cent , the assimilative rate is increased by 0.19g/m 2 · d.

本文简要地介绍了光纤通信、移动通信、卫星通信、综合业务数字网（ISDN）和多媒体通信的关键技术及其总的发展超势。

The paper briefly describes the key technologies and their development trends used in optical fibre communication , mobile communication , satellite communication , ISDN and multi-media communication .

结果表明，NaCl处理的无机离子总含量急剧增加，其中Na＋、Cl－增加最多，占总计算渗透势（COP）的71%～88%，总无机离子占COP的95%～97%。

The results showed that under NaCl stress , the sum of inorganic ions had a significant increase and their contribution to the calculated osmotic potential ( COP ) was up to 95 % to 98 % .