How to Use "instable" with Example Sentences

1. East of hexi corridor is in instable atmosphere stratification .
2. A big unemployment will result in instable society .
3. The exchange rate between the us dollar and the rmb is very instable which makes our company suffer a huge loss .
4. People experiencing instable blood pressure , sleeplessness , headaches , and loose stools should also refrain from exerting themselves while performing this asana .
5. Biomechanical research and clinical application of the different internal fixation of y shaped instable fracture of femoral condyle .