nht

Finally, using NHT/ NST and atomic force microscope, the micro-tribological properties of enamel and the recovery of surface damage were preliminarily investigated.

本文采用纳米压痕/划痕仪和原子力显微镜研究了牙釉质的微观摩擦学性能，并对其损伤的修复过程进行了初步探讨。

It is a key to GMRES ( m) method to choose the different m value to different equations of N-S equation in order to enlarge the application in CFD/ NHT;

N-S方程求解中不同方程不同m值的协调选取是GMRES（m）方法在CFD/NHT领域推广应用的关键；

Methods The clinical data of 82 elderly AMI patients with HT were compared with 94 cases of elderly AMI patients without hypertension ( NHT).

方法对比分析82例有HT史和94例无高血压（NHT）史的老年人AMI临床资料。

The phenomena that the contents of S and N in naphtha hydrogenation treatment ( NHT) products exceed the standard are studied, and the influence of raw materials on the activity of catalyst is discussed.

对石脑油加氢处理产品硫、氮含量严重超标现象进行了研究，重点探讨了原料性质对催化剂活性的影响。

Left ventricular remodelling, heart failure, postinfarction angina and death were obviously more frequent in HT group than those in NHT group ( P 0.05).

HT组发生左室重构，心力衰竭（心功能Ⅲ～Ⅳ级），心梗后心绞痛和死亡明显多于NHT组（P0.05）。

The optimized design is performed through CFD/ NHT simulation for an avionics system adopting force convection air cooling, and also experiment is made to validate the simulation results.

针对采用强迫风冷散热的典型机载电子设备，利用CFD/NHT仿真进行优化设计，与热测试相结合进行验证。

Severe arrythmia, cardiogenic shock and infarction extension in HT group were slightly more than those in NHT group ( P> 0.05).

严重心律失常，心源性休克和梗塞扩展在HT组略多（P>0.05）。