| 1. | As late as 1494, pacioli had asserted that the solution of general cubic equations was impossible .
直到1494年那么晚近的年月，Pacioli还宣称一般的三次方程是不可能解的。 |
| 2. | As late as 1494 , pacioli had asserted that the solution of general cubic equations was impossible
直到1494年那么晚近的年月， pacioli还宣称一般的三次方程是不可能解的。 |
| 3. | The cubic equations could be fitted well for these trends for leaf , branch and stem , while no equation was suitable for root
根生物量?总生物量比例与年龄拟合的效果则较差。 |
| 4. | Review of the research on interaction coefficients used in two cubic equations of state for phase equilibria predictions
两种立方型状态方程相平衡推算中相互作用系数的研究进展 |
| 5. | Besides , the author also derived some new cubic equations , and some of them may be well perspective in application
作者还用同样方法得到了一些新的三次方程，其中有些可能具有较好的应用前景。 |
| 6. | The results can offer a theoretical basis for the mutual transformation of the virial and cubic equations under some specific conditions
这些结果为维里型和立方型方程在特定条件下的相互转换提供了理论依据。 |
| 7. | The principal purpose of this paper is to consider the bounds of solutions of the cubic equation with the prime variables in arithmetic progressions modulo k > 1
本文的主要目的是估计三次素变数方程的解在模k 1算术数列中的上界。 |
| 8. | The method that simple cubic equation was changed from general to standard was introduced and the distribution of standardized real root was illustrated , which solved the problem of the distribution of any real root for simple cubic equation
摘要介绍了一元三次方程一般式化为标准式的方法，结合图形给出了标准式的实数根的分布情况，从而解决了任意一元三次方程的实数根的分布的问题。 |
| 9. | The research mainly included following content : 1 based on the virial equation , some of the cubic equations of state in the literature were derived appoximately and strictly , respectively , and the parameters in some quasi - empirical cubic equations were also analyzed and interpreted
本文的研究内容主要包括： 1以维里方程为基础，对文献中的一些立方型状态方程分别进行了近似的和严格的推导，对一些半经验立方型方程的参数进行了分析与解释。 |
| 10. | In order to promote the improvement and development of the equations of state for fluids and meet the different requests in thermodynamic calculation of geological fluids , the author made a systematic study on the theoretical bases of some cubic equations , as well as modifying some cubic equations , developing some virial equations for geological fluids composed of small molecules
为了促进流体状态方程的改进和发展，同时也为了满足人们在地质流体热力学计算方面的多种要求，作者对立方型方程的理论基础进行了较系统的研究，同时发展了一系列能够适用于小分子地质流体的维里方程，并改进了文献中的几种立方型方程。 |
