致強直劑 的英文怎麼說
中文拼音 [zhìqiángzhíjì]
致強直劑
英文
tetanicum tetanica-
The alpha particles released from polonium - 210 have a very low penetrating power and can be stopped easily by the outer layer of skin or a sheet of paper. it is unlikely that the particles can affect human body through direct irradiation. however the ionization power of alpha particles is very high
釙210釋放的阿爾法粒子穿透能力很弱,人類的皮膚或一張紙已能隔阻它,粒子經照射影響人體的機會很微,不過由於它的電離能力很強,如果人類吸入或進食含有釙210的物質,其釋放的阿爾法粒子就能直接破壞內臟細胞,即使所吸收的份量不多,也會損害身體健康,急性高劑量阿爾法輻射可以引致輻射中毒。Ii. the direct diamond - diamond bonding between granules in domestic pdcs are poor. accordingly more catalyst metal are left over, this weaken the strength of the whole pdc
國內聚晶金剛石層中晶粒之間直接連接的共價健( c - c健)比例少,催化劑金屬含量過高,導致宏觀強度低,應採取如下措施: 1
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