high low limit的意思|示意

Nowadays elastase has high production costs and low yields, which is almost isolated from animal pancreas home and abroad, limit its application fields.

目前，国内外大多利用胰脏来提取生产弹性蛋白酶，生产成本较高，产量十分有限，大大限制了该酶的应用范围。

On the basis of fatigue test under high-low two stresses loading, the paper testifies that the equivalent damage lines do not parallel each other and tend to converge slightly over the fatigue limit.

本文根据高低二级应力作用下的疲劳寿命试验，验证了等损伤线互不平行且向下汇聚。

The result shows that this method has such advantages as low detection limit, high accuracy and good precision.

结果表明，本方法检出限低，准确度高，精密度好。

Valve position high limit and valve position low limit setting.

阀位上限幅值和阀位上限幅值设定。

Compared with the EN1785 method, the method of the invention has the advantages of high extracting efficiency, big carrying capacity of samples, low detection limit and low cost, etc.

与EN1785方法比较，该方法具有提取效率高，承载样品量大，检出限低，成本低等优点。

The green house has the advantages of repeated use, no limit on fixed places, easy construction, low cost, and high created economic value;

此种大棚可反复多次的使用，而且不受固定地点的限制，不仅建造容易，而且成本低，所创造的经济价值高。