估算建立在预期的内部化学成分上，但我们从来没有实际地测量放射性物质在热量产生中发挥的作用。
Estimates have been made based on the expected chemical composition of the interior, but we've never actually measured the radiogenic contribution.
在过去30年里，他们通过跟踪测定臭氧层中化学物质的含量来估算臭氧层的破坏程度。
They point to the way their estimate of chemically destroyed ozone closely tracks the amount of chemicals in the hole during the past 30 years.
这些试剂包括测序的主要成本，且大多数人类基因组的测序成本估算都是计算使用的化学品的成本。
These reagents comprise the major cost of sequencing, and most estimates of the cost to sequence a human genome with a particular technology are calculated using the cost of the chemicals.
为了估算年龄，尼尔森及其小组采用了一种结合化学试验、数学模型和生长测量的复杂系统。
To get the age estimates, Nielsen and his team used a complex system that combines chemical tests, mathematical models and growth measurements.
探讨了在快速锈蚀条件下，按法拉第定律的电化学锈蚀控制方程来估算钢筋锈蚀深度的合理性。
And the reasonability of estimating the corrosional depth of steel, by using Faraday's Law and under accelerated corrosion conditions, is discussed.
综述了淡水养殖污染负荷估算的方法：化学分析法、竹内俊郎法及其同类方法、物料平衡法、湖泊和水库的箱式模型法。
The pollution load calculation models of freshwater aquiculture were reviewed, including chemical analysis method, material balance method, box model for lakes and reservoirs, etc.
本文描述了太阳能光电化学电池的串联电阻及理想填充因子的一种简单估算方法。
A simple method for estimated series resistance losses and ideal fill factor of photo-electrochemical cell is descried.
如何合理地估算活度系数是水环境化学数值模拟工作中必须慎重考虑的问题。
How to estimate the activity coefficient of a chemical species is a problem which we must deal with carefully.
本文对脉冲氧碘化学激光器的增益性能进行了理论估算。
The gain characteristics of a pulsed oxygen-iodine chemical laser has been studied theoretically.
如果生物武器看来可怕而难以估算的话，化学武器同样令人不寒而栗。
If biological weapons seem too terrible to contemplate, chemical weapons are equally chilling.
介绍了几种由小试数据估算化学反应热的方法。
This paper mainly introduces the method of calculating chemical reaction heat.
提出了一种基于元素和化学键的估算有机物临界体积的新方法。
A new method based on elements and chemical bonds was developed for estimating critical volume of organic compounds.
所以我们可以我们可以通过以库中的光谱样式和它们有的光谱样式来进行对比从而估算出别的行星的化学成分。
So we can figure out the chemical make up of the other stars by comparing this spectrum pattern it has to the pattern of the element in the libraries.
提出了一种基于元素和化学键的估算有机物临界体积的新方法。
Prediction of the critical volume of alkenes using a quantitative structure property relationship;
提出了一种基于元素和化学键的估算有机物临界体积的新方法。
Prediction of the critical volume of alkenes using a quantitative structure property relationship;
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