neurological, cardiovascular (for instance low blood pressure), nutritional (for example lack of glucose), dehydration and more. When someone complains about experiencing dizziness when getting up from sitting or lying down, the cause is usually a sudden drop in blood pressure (called orthostatic hyp...
D.Internet use may cause a drop in psychological health 免费查看参考答案及解析 题目: 204 Which of the following is not the cause of the decrease in the oceanic sapnity___ A.Precipitation B.Rain and snow C.Formation of ice D.Addition of water by rivers 免费查看参考答案及解析 ...
When there is a sudden drop in pressure downstream of the valve, due to a pipe burst, the pressure difference across the valve head is sufficient to overcome the force of the spring (11) and close the valve. The valve may also be closed when required by the pneumatic or hydraulic ...
However, due to reasons still unknown, the brain will sometimes abruptly force the diaphragm down, causing the lungs to draw in a lot of air very rapidly. As a large volume of air rushes in, the sudden change in pressure inside our throats causes a narrow part of it – the larynx or ...
aShutting down the driver at rated flow rate could cause the creation of pressure surges or hammering as a result of the sudden closing of check valve under high discharge pressure. To prevent it, discharge valve should be slowly being closed prior to stopping the driver. 正在翻译,请等待......
AKI is a sudden episode of kidney failure or damage. It has a rapid onset over the course of a few hours or days and results in the build-up of waste products in the blood. It also makes it difficult for the kidneys to regulate the level of fluid in the body.What are the signs ...
For instance, including more fiber and whole grains in your diet may prevent constipation. Since constipation puts extra pressure on your bladder and increases bladder activity, preventing it helps minimize bladder problems.Also, try to go for plain water instead of carbona...
He noted even when public works crews treat the roadways with the newest types of brine solutions, there are chemicals that will wind up seeping into the soil.“There’s still going to be an impact as we protect people’s safety on the road, it doesn’t help in our water bodies," he...
Nutritional deficiencies, low protein or caloric intake and a sudden change in eating habits can worsen the possibility of hair shedding due to rapid weight loss with these medications. In some cases, the reason for hair loss or shedding cannot be determined. ...
For example, a heavy cold rain, or hailstorm, can rapidly change surface water temperatures resulting in disruption of existing thermal stratification and a sudden upwelling, or turnover, of deep anoxic waters. This sudden turnover events can kill large numbers of fish (Herman and Meyer 1990)....