A WORD, A WORLD
isotope
释义
- n.
- 同位素
- 网络
- 同位素是；同位素测年；同位素检查
展开详细释义
n.
1.【化、物】同位素
词形变化
复数：isotopes
常用短语 6 组
- stable isotope
- 稳定同位素
- radioactive isotope
- 放射性同位素
- isotope analysis
- 同位素分析
- isotope separation
- 同位素分离
- isotope geochemistry
- 同位素地球化学
- isotope effect
- 同位素效应
在例句中理解 31 句
Both of the experiments proved effective, moreover the latter would be better since the stable isotope is harmless.
结果指出，两种方法是等效的，由于稳定同位素对人体无害，因而后者更有应用前景。
In atomic spectroscopy, the subject of isotope shifts is one of the few problems that links atomic and nuclear physics.
原子光谱中，同位素位移是少数几个能够将原子物理学和原子核物理学这两个不同的物理学分支联系起来的课题之一。
At present, the methods of isotope tracer and turbine flowmeter are universally used for testing annulus well in home oilfield.
同位素示踪法和涡轮流量计法是目前国内各油田普遍采用的环空测井方法。
But the nitrogen in the air was replaced with a nitrogen atom with a different number of neutrons, called an isotope.
但是空气中的氮气中的氮原子却会被一个叫做同位素的有着不同数量中子的氮原子所替换。
And the heavier oxygen from a natural process that left more of the light isotope in the part of the nebula that made the sun.
重量较大的氧来自某种自然过程，在此过程中，大部分的轻同位素留在了形成太阳的部分星云中。
When a hurricane forms, it tends, initially, to rain water molecules containing the heavier isotope. At that point it is still over the sea.
飓风刚形成之初，通常位于海面上空，它所降落的雨水一般含较重氧同位素水分子。
The technique based on stable isotope labeling and mass spectrometry is one of the main supporting techniques for protein quantification.
基于稳定同位素标记的质谱分析技术是蛋白质定量最常用的方法之一。
by contrast, the comprehensive evidence and oxygen isotope temperature may be close to the actual temperature.
而综合证据与氧同位素则可能比较接近实际气温。
Nuclear Chemistry: radioactive chemicals, radiation chemistry, radiation chemistry, isotope chemistry, nuclear chemistry.
核化学：放射性化学品，辐射化学，辐射化学，同位素化学，核化学。
Experts have played down the dangers, arguing that the isotope of nitrogen known as nitrogen-16 lasts for only five seconds.
专家们说相关辐射危险性很小，因为氮的同位素氮16只会存在5秒钟。
Measured isotope peak cluster data in a mass spectral range is obtained for a given calibration standard.
对于给定的校准标准，得到在质谱范围中的测量的同位素峰集群数据。
Of early bone metastases in general without any symptoms, bone isotope scan can be found to have bone lesions.
骨转移早期一般无任何症状，骨同位素扫描可发现有病变的骨骼。
However, there is a very attractive reaction between deuterium and a light isotope of helium known as helium-3.
无论如何，在氘和一个氦的轻同位素也就是氦-3之间有一种吸引人的反应。
Recent developments of two mid-infrared tunable laser spectrometers dedicated to carbon isotope ratio determination are presented.
最近的事态发展的两个中红外可调谐激光光谱致力于碳同位素比值测定结果。
Isotope ratios of Pb contained in wares were measured using Time-Of-Flight Secondary Ion Mass Spectrometry(TOF-SIMS)without any references.
介绍了用飞行时间二次离子质谱法对器物中的铅同位素比值的测量。
The Daedalus spacecraft weighed around 50, 000 tonnes, almost all of which would have been a very rare Helium isotope called Helium-3.
代达罗斯飞船重约5万吨，大部分都是它携带的燃料——氦3。
Methods of hydrochemistry and isotope were used to analyze the 7 springs issuing along the Huanglong Ravine.
本文采用水化学和同位素方法对四川黄龙沟沿途出露的7个泉点进行了分析。
The city's challenge, chiefly, is to dispose of cesium-137, a radioactive isotope with a half-life of 30 years.
这座城市面临的最大问题就是处理铯—137，这是一种半衰期为30年的放射性同位素。
After seven rounds of bacterium-based selection, the enrichment of each round was tested by isotope labeled ssDNA binding assay.
对每一轮文库标记同位素，结合实验证实第五轮文库富集程度最高。
The ratio of the silver-109 isotope to silver-107 turned out to be much higher in New World silver than in the European coins.
109同位素银和107同位素银在新世界银的比例要比来自欧洲的银币高很多。
But the team found that on the Moon it was about 25 times that of the terrestrial chlorine isotope ratio.
但是研究团队发现在月球上氯的同位素的比率大约是地球上的25倍。
Studies of Pb, S, H, O isotope geochemistry indicate that the mineralization resources were from deep source fluid and rocks of the strata.
铅、硫、氢、氧同位素地球化学研究表明，成矿物质来源于深源流体及地层岩石。
These cancers can be prevented if children are given pills containing the non-radioactive isotope of iodine soon after exposure.
这些癌症其实是可以避免的，只要在受到辐射之后，马上给儿童们服用不具有放射性的碘的同位素做成的药片。
These neutrons react with nitrogen nuclei, giving out a proton and producing the active carbon isotope 14.
这些中子跟氮元素的核子产生反应，释放出一个质子并产生出活性碳同位素14。
Hydrogen and oxygen isotope data line in the vicinity of the Meteoric water line, indicating meteoric water's enrollment at the late stage.
氢氧同位素数据在大气降水线附近，指示了晚阶段大气降水参与的积极影响。
The stable hydrogen and oxygen isotope is an environmental isotope, which extensively exists in various kinds water.
稳定性氢氧同位素是广泛存在于水中的环境同位素。
Neutron flux characterization of a peripheral target position in the high flux isotope reactor.
高通量同位素反应堆中靶子位置周边中子通量特征…[中国核科技信息与经济研究院]。
Another isotope, lithium-6, is overabundant: there may be as much as 1000 times too much of it.
而另一种锂，即同位素锂-6却是过于丰富：它的含量可能是过多的1000倍。
Initial Sr isotope ratios show that the ore materials of the deposit were derived from the host rocks or Precambrian basement.
锶同位素初始比值测试结果表明大梁子铅锌矿床成矿物质来源可能主要源自围岩碳酸盐岩或基底地层。
The mineral-fluid oxygen isotope exchange in granitic rocks is mainly a non-equilibrium one in an open system .
花岗岩-体氧同位素交换反应绝大多数为开放体系不平衡类型。
...tritium, a radioactive isotope of hydrogen.
...氚，氢的一种放射性同位素。