放射性同位素
- 与 放射性同位素 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Seventy of the 350 naturally occurring isotope s are radioactive.
自然界有350种天然同位素,其中70种有放射性。
-
The Sr Nd Pb isotopic compositions of crust lavas are characterized by higher initial Sr isotopic ratios,lower Nd isotopic ratios,large εNa and enrichment in radiogenic lead.
罗布莎蛇绿岩是雅鲁藏布江蛇绿岩带东段出露较好,也是研究程度较高的(蛇绿岩片之一,其壳层熔岩的Sr,Nd,Pb同位素组成具有较高的ISr值,较低的Isd值,大的εNd值和富集放射性成因铅的特征。
-
The exploitation of the equipment avoids the side effects of using liquor radioisotope.
该机的研发避免了患者服用同位素放射性液体对人体所带来的副作用。
-
The machine can produce radioisotope capsule at different dose for treating different patients.
该设备能够按照要求生产出不同放射性剂量的同位素胶囊,供给患者服用。
-
A soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands.
一种软质、银白色、放射性四价金属元素,同位素用作核反应能源,见于钍矿和独居石沙中。
-
A short - lived , radioactive synthetic transuranic element produced from californium and having
铹一种寿命期短的、人工合成的放射性超铀元素,从锎中生成,有质量从255到260的同位素,半衰期从几秒钟到三分钟;原子序数
-
The atomic structure 、nuclide 、isotope 、isomere、 radionuclides、stable nuclide.
原子核的结构、核素、同位素、同质异能素、放射性核素与稳定性核素。
-
Carbon has two non-radioactive isotopes, and in material from the solar system, including most meteoritic minerals, these are mixed in a well-known ratio.
碳有两个非放射性的同位素,在太阳系的物质中,包括在大多数的陨石矿石中,它们的混合比例是众所周知的。
-
The group of mixture dieted albumin polypeptide with 3H-TdR was compared with the groupdieted only 3H-TdR in mice.
应用同位素示踪法对小鼠小肠、肝及胸腺等组织的3H-胸腺嘧啶核苷(3H-TdR)放射性值进行检测,比较了白蛋白多肽和3H-TdR混合物进食组小鼠与仅进食3H-TdR组小鼠间的区别。
-
Periodic Table Ⅶ B family silver or gray-black powder bulk solid metal transition element, atomic number Z = 35, the original of the amount of 186,207, the chemical symbol FRe, there are two natural isotopes, stable 18575Re and radioactive 18775Re.
元素周期表中ⅦB族银白色的块状或灰黑色粉末状固体金属过渡元素,原子序数Z=35,原了量186207,化学符号FRe,天然同位素有两种,稳定的18575Re和放射性的18775Re。
- 推荐网络例句
-
Do you know, i need you to come back
你知道吗,我需要你回来
-
Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
-
Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。