Although the easier ionization of radon leads one to expect the most extensive chemistry for that element, the high instability of even the most stable isotope has severely limited studies of it.
氡容易离子化，这让人期望，该元素有最广泛的化学反应，但是，这个元素最稳定的同位素也极不稳定，这使氡的研究受到了严重的约束。
Iron as an element is a solid. That's it's most stable state at room temperature and pressure, right, and so on. And then we can figure out heats of formation.
铁单质是固态，这是他在室温和常压下，最稳定的状态，然后我们，可以算出生成热，现在这个。
氖是一种稳定的元素。
And the vagaries of quantum physics mean that "too many" and "too few" sometimes overlap, and there is thus no stable isotope (or variant, with fewer or more neutrons) of a particular element.
难以捉摸的量子力学表明，中子“太多”和“太少”有时会重叠出现，因而一些特定的元素没有稳定的同位素(或称变体，核内中子数不同)。
What is the lightest element on Earth, with no stable isotope?
地球上没有稳定同位素的最轻的物质是什么？
The stable element ratio of compatible and incompatible elements implies that they are liquid immiscible congeners coming from a primitive magma consisting of mixed carbonatites and silicates.
稳定元素比值和相容、不相容元素同等富集则表明它们是碳酸岩和硅酸盐混合的原始母岩浆液态不混熔的产物。
Results have shown that the lixivium concentration affected by leaching times, pH, leaching temperatures, and grain diameter values of the media and most parts of the hazardous element are stable.
结果表明，有害元素大部分以稳定态存在，浸出液浓度受浸泡时间、酸碱度、浸泡液温度、粒径的影响。
Definitions of an extension field, and a stable field of multilayer multidimensional relation element extension set are given.
给出了多层高维关系元可拓集的可拓域、稳定域的定义。
In terms of the relationship between element sulphur solubility and pressure, the depositional models of element sulphur separation are established by means of stable percolation theory.
根据元素硫溶解度与压力关系，利用稳定渗流理论，建立了元素硫析出的沉积模型。
Aesthetically, the canopy provides a stable counterpoint and grounding element to balance the ever - changing nature of the glass facade above.
在审美上，雨棚提供了稳定的对应物和基础元素，平衡了上面玻璃幕墙不断变化的性质。
The CMOS amplifier of chopped wave stable zero calculator has been used as a key element to acquire signal of location.
本仪器采用CMOS斩波稳零运算放大器为关键性元件，获得对信号无失真采集。
The discrete solution is stable for any combination of finite element spaces.
证明了有限元离散解对任意有限元空间的组合是稳定的。
This machine adopts steel plate welding structure, the fuselage using the finite element analysis and design, Vibratory stress Relief of internal stress, so that body stable and reliable.
液压剪板机采用钢板焊接结构，机身采用有限元分析设计、振动时效消除内应力，使机身稳定、可靠。
The problem of achieving stable reliability analysis of piezoelectric trusses with random parameters was studied on the basis of the finite element analysis method and stable secular equation.
在有限元分析方法基础上，基于稳定特征方程对随机参数压电桁架结构进行稳定可靠性分析。
The problem of whether there exists a real polynomial such that the division of any element, which is in a stable Kharitonov set, by the polynomial is strict positive real functions is discussed.
讨论稳定的实区间多项式族是否存在一个实多项式使之严格正实化问题。
The results of numerical tests show that the element RPAQ is free from shear locking, insensitive to mesh distortion and very accurate and stable for both thin plate and thick plate.
进行了一系列数值例题测试，表明单元RPAQ能自动消除闭锁现象，在由薄板到厚板的不同情况下，在各种网格畸变的情况下，都能体现出良好的精度和数值稳定性。
Using only one optic element, the phase mask provides a robust and inherently stable method for reproducing fiber Bragg gratings, and reduces the complexity of the fiber grating fabrication system.
由于相位模板法仅使用一个光学器件，因而减少了光纤光栅制造系统的复杂性，是光纤布拉格光栅写入法中最有前途、使用最广泛并且具有本征稳定性的一种方法。
Micromachined RF-MEMS antenna, one of the key devices in RF-MEMS, has small size, light weight, stable quality and other merits; it can be integrated with other circuit element.
采用微机械技术研制的RF -MEMS天线是RF - MEMS系统的关键器件之一，它不但具有体积小、重量轻、性能稳定等优点外，还能和其他电路元件集成在一起。
Rare earth element was able to decrease the oxygen content through reaction with oxygen and form rare earth oxide which was hard and thermal stable ceramic particles.
稀土元素能够通过与基体氧的反应生成硬且热稳定的稀土氧化物，达到细化基体合金和提高抗氧化性的目的。
The gas absorbing film element may be low temperature activated and has stable performance.
该气体吸收元件能够在低温激活，是性能稳定的微型吸气剂元件。
The stability coefficients of landside were 1.14 and 1.10 in nature and earthquake conditions by finite-element method, and these results proved that the landside was stable in these two conditions.
采用有限元法计算该滑坡在天然与地震两种条件下的稳定性系数分别为1 14和1 1，可以认为滑坡在两种条件下的稳定性较好。
The number of components mounted on the stable element may be decreased so that the volume and cost of the platform may be reduced too.
它的优点是可以减少台体上安装的部件，有利于缩小体积，降低成本。
The number of components mounted on the stable element may be decreased so that the volume and cost of the platform may be reduced too.
它的优点是可以减少台体上安装的部件，有利于缩小体积，降低成本。
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