nhf

NHF, on the other hand, expresses the writer's understanding of society and life within the scope of political route.

而新历史小说以不违背政治路线为基准，通过作品自由表达创作个体对社会、人生的认识和体验。

This text carries on the pot experiment to study on the efficiency of six kinds of Slow controlled release fertilizer made by ourselves ( NAP, NAF, NAX; NHP, NHF, NHX).

对自制的6种缓控释肥料（NAP，NAF，NAX；NHP，NHF，NHX）的肥效进行盆栽试验研究。

Classifier performance of nhf-ⅱ air centrifugal rotor superfine powder classifier

NHF-Ⅱ空气离心转子超细分级机的性能

The paper presents a study on NHF-ⅱ air centrifugal rotor superfine powder classifier newly developed. The classifier efficiency at different rotor speeds and exhaust capacity was studied.

对研究开发的NHF-Ⅱ空气离心转子超细粉分级机进行了性能试验，主要研究了转子转速、风量对分级性能的影响。

After 5 hours, the sheep in HF group all survived, and 2 sheep of NHF group died.

5h后HF组全部存活，NHF组死亡2只。