The standard unit for measuring the frequency of a sound wave is ___ View Solution What is the unit for measuring pressure? View Solution Sequence the following tasks as they are taken up while developing the concept of measurement: A Learners use standard units to measure length B Learners...
Blood pressure is a measure of the force of the blood being pumped through the arteries(动脉)and is determined by both the amount of blood being pumped and the resistance to pressure in the arteries. High blood pressure is a dangerous condition that has no clear symptoms and can easily go ...
6 A manometer is being used to measure the pressure of the gas in a container, as shown in Fig. 6.1.container of gas3cm oil(a)(b)before after Fig.6.1(a)The appearance of the oil in the manometer before connecting it to the container is shown in Fig. 6.1(a).Explain why the oil ...
Albrecht von Graefe's invention of the surgical iridectomy procedure for the treatment of glaucoma in 1857 was his impetus to design an instrument to measure the eye pressure so that he could record pressures before and after iridectomy. He also constructed a campimeter for plotting the visual ...
What is the unit to measure the temperature?Unit of Temperature:Temperature gave us the feeling of hot or cold of an object. It is generally the average kinetic energy of the atoms in a system. There is a lot of units of temperature. The detailed answer is given below....
Extra:Take your barometer outside to measure atmospheric pressure. Draw a scale that looks like a ruler on another piece of paper. Then place the chart next to the barometer so that the middle line is lining up with the skewer tip. Leave the barometer outside for several days, and every...
A. stethoscope B. thermometer C. blood pressure cuff D. syringe 相关知识点: 试题来源: 解析 C。“blood pressure cuff”是血压计,用来测量血压。选项 A“stethoscope”是听诊器;选项 B“thermometer”是温度计;选项 D“syringe”是注射器,都不能测量血压。反馈...
14. In order that no further damage ___, it is crucial that you get the wounded back to the intensive care unit as quickly as possible. A. is to be done B. will be done C. can be done D. be done 15. Sometimes a written message succeeds ___ an oral one fails; at other time...
MmHg represents the height to which the pressure in the blood vessels can push a column of mercury in a manometer or sphygmomanometer, which are devices used to measure blood pressure. When a blood pressure reading is taken, two pressure levels are measured: systolic (the pressure during a hea...
The units of measure are means of quantifying a physical value (such as temperature, pressure, volume, mass, length and several others) and those working with refrigeration are constantly dealing with them. Therefore, it is important to know them, understanding what they indicate and ...