同位素

He won a1922Nobel Prize for developments that led to the discovery of isotope s in nonradioactive elements.

他因在非放射性元素的同位素的发现过程中取得重大进展而获1922年诺贝尔奖

A nonradioactive enzyme assay were developed to detect the UNG activity. This assay is fast and useful.

我们建立的UNG酶活性的非同位素检测方法，操作更加简便和快速，特别适用于对大量样品的酶活性筛选和检测工作。

mdm2 gene expression atmrna and protein levels,p53 protein and eb virus dna were detected by nonradioactive in situ hybridization ,immunohistochemistry and polymerase chain reaction separately in 46 cases of npc tissuesand 12 cases of chronic inflammation of nasopharyngeal epithelium.

运用非同位素原位杂交、免疫组化和多聚酶链反应技术对46例npc、12例慢性鼻咽炎症粘膜分别进行mdm2 mrna、mdm2蛋白、p53蛋白及ebv-dna的检测。

The fact is that this unique substance makes it possible to produce cold nuclear fusion , the

事实是独特的物质使生产寒冷的核熔合是可能的，同位素的最小量对创造空前能力的炸弹和毁灭性的力是充份的。

Objective To analyze imaging characteristics of ultrasonography and nuclide scan in diagnosis of thyroid nodules.

目的 探讨甲状腺结节疾病的B超检查和同位素显像检查的诊断意义。

Cosmogenic nuclide surface exposure dating is a newly developed isotopic dating technique in the past few years.

宇宙成因核素地表暴露测年方法，是近年来迅速发展起来的一种新的同位素地质年代学方法。

Nuclide scan is short of specificity and accuracy in diagnosing thyroid nodules.

同位素扫描缺少特异性和准确性，需和病史、体检、B超显像检查相结合。

The volcanic rocks in the Qiangtang area are mid-Eocene to Oligocene in age according to their K-Ar isotopic data.

根据K-Ar同位素定年数据可将该火山活动划分为四个喷发阶段，时代分属始新世—渐新世。

Radioisotope means the nuclide in a certain element with radioactive decay, which has the same ordinal number of atoms but different mass.

放射性同位素，是指某种发生放射性衰变的元素中具有相同原子序数但质量不同的核素。

On the basis of the form and internal structure of the Bixiling peridotitic zircons from the southern Dabie Orogen, in situ U-Pb ages and Hf isotope of them were analyzed.

在详细形态和内部结构研究基础上，对碧溪岭橄榄岩锆石进行了配套的U-Pb年龄和Hf同位素分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。