X-zraci, rendgenski zraci

X-zraci, rendgenski zraci

A very high energy form of electromagnetic radiation (though not as high energy as gamma rays ). X-rays typically have wavelengths from a few picometers up to 20 nanometers. X-rays easily penetrate soft tissue, which makes them useful in medical imaging and in radiation therapy.

0 0

完善词条

添加图像

词性：名词
同义词：
词汇：
行业/领域：化学
类别普通化学
Company:
产品：
取首字母的缩写词：

添加至 My Glossary

其他语言：

类似词条

x-zraci

天文学; 火星

Very short wavelength radiations beyond the ultraviolet in the spectrum, which are about one ten-thousandth as long as the visible violet and are extremely penetrating.

x-zraci

艺术史; 视觉艺术

A photograph using an x-ray. X-ray images have been used to identify what lies under the surface of a painting, including prior works or studies and sketches.

gama zraci

化学; 普通化学

A very high energy form of electromagnetic radiation , typically with wavelengths of less than 3 pm. Gamma rays are produced by certain nuclear decay processes, and are used to ...

kosmički zraci

天文学; 行星科学

Extremely high-energy subatomic particles that continuously bombard Earth from all directions. Most cosmic rays hit and break up atomic nuclei in Earth's upper atmosphere. Airless ...

katodni zraci

物理; 普通物理

Negatively charged particles (electrons) that are emitted from a negative terminal in an evacuated glass tube.

isparljiv

化学; 普通化学

A solid or liquid material that easily vaporizes. A material with a significant vapor pressure .

abraziv

化学; 普通化学

A very hard, brittle, heat-resistant substance that is used to grind the edges or rough surfaces of an object. boron carbide, diamond, and corundum are abrasives.

diastereoizomer, diastereomer

化学; 普通化学

Stereoisomers which are not mirror images of each other. Diastereomers are chemically similar but distinguishable; they have different melting points and boiling points and they ...

medicinska hemija

化学; 普通化学

A branch of chemistry concerned with the discovery, design, synthesis , and investigation of biologically active compounds and reactions that these compounds undergo in living ...

slab elektrolit

化学; 普通化学

A weak electrolyte is a solute that incompletely dissociates into ions in solution. For example, acetic acid partially dissociates into acetate ions and hydrogen ions, so that ...

grafit

化学; 普通化学

An amorphous form of carbon , made of carbon atoms bound hexagonally in sheets (like chickenwire).

新闻词条

精选词条

sonjap

0
词条
0
词汇
2
关注者

行业/领域：地理学类别国家及地区

Sveta gora

Greek mountain and pilgrimage site, known as the birthplace of early Christian Orthodox monasticism, housing around 20 Eastern Orthodox monasteries. ...