6 (a) Describe how air is made to enter the lungs during inspiration.during inspiration, diaphragm muscles contracts and diaphragm flattens;..external intercostal muscles contract, internal intercostal muscles relax;.-..rib cage moves outwards and upwards; volume of thoracic cavity increases,...pres...
New variables are introduced for a better thermodynamic representation of the air in the case we are interested in a wide to large scale or in sites at different altitudes above the average sea level or if we need to interpret weather maps for survey purposes. The parameters are equivalent ...
anatural ventilation,or natural draft ,is the term used to describe mine airflow resulting from a pressure differential caused by unequal densities or weights of two connected air columns 自然透气或者自然通风,是用于的规定描述矿气流起因于不同等的密度或重量造成的压力差别二个连接的空气专栏[translate]...
However your body is so used to it that you do not notice this. The pressure is caused by a layer of air called the atmosphere. This layer surrounds the earth extending to about five kilometers above the earth’s surface. The following experiment is an easy one that you can do it at...
However your body is so used to it that you do not notice this. The pressure is caused by a layer of air called the atmosphere. This layer surrounds the Earth extending to about five kilometers above the Earth’s surface. The following experiment is an easy one that you can do at ...
The surprising experiment I am about to describe proves that air is all around you and that it presses down upon you.Air pressure is a powerful force.When you swim underwater,you can feel water pushing on your body.The air all around you does the same.However,your body is so used to ...
Example of an API definition fileapi.tswhich defines a singlePOSTendpoint to create a user: import{api,endpoint,request,response,body}from"@airtasker/spot";@api({name:"My API"})classApi{}@endpoint({method:"POST",path:"/users"})classCreateUser{@requestrequest(@bodybody:CreateUserRequest){...
United States Air Force first used the words “Unidentified Flying Object” to describe them. Today everyone uses the term UFO. When people see a UFO, it is usually no more than a weather balloon or an airplane. But the Center for UFO Studies goes on to receive hundreds of reports each ...
Tesla's focus, instead, has been to exceed expectations in other areas like brand, vehicle acceleration or charging, he said. While Tesla has been successful with those efforts, he said: "Every time a car rolls off the lot and a piece of trim falls off, or an electrical system is f...
Describe an experiment to estimate the speed of sound in air. 02:40 (a) Explain the formation of stationary waves on a rod fixed at the mi... 10:04 (a) Distinguish between transverse wave and longitudinal wave. Give on... 09:31 (a) What is Dappler effect? The frequency r of a ...