作者文章归档：刘素晴
Also known as zip zipper. It is easy for people to live in modern times one of the top ten inventions.
The emergence of zipper thing a century ago. At that time, some parts of central Europe, people attempted to belt, hook and loop alternatives to buttons and bows Fitting Gauge, ...
Is a cartoon digital thermometer used to sense the principle of infrared surface temperature, operation is convenient, especially in high-temperature measurements of objects. Wide range of applications, such as steel casting, temperature, machine parts, glass and room temperature, flexib...
Infrared Thermometer by the optical system, photoelectric detectors, signal amplifiers and signal processing, display output, and other components. Optical system field of master cardiology Stethoscope view of its goal of gathering infrared radiation energy, depending on the size of the...
Been to hospital, most people have this experience: After the doctor asked the disease, often have to be carried out some checks, for example, reflex hammer with tuning fork heart and lungs with a stethoscope to hear, look at the throat with a spatula, and sometimes we need to do testing...
Once Auenbrugg met a seriously ill old man, his symptoms are chest pain, fever, cough, ambushes suffering. Unfortunately, in the clear before Auenbrugg also Bandage scissors were diagnosed, the patient died. Thus, Auenbrugg autopsy on the body, hoping to identify the patient's death. Whe...