The system of phase equilibrium data of the Fe-Cu base alloy is established relatively, the spinodal decomposition range of the Fe-Cu base alloy is calculated utilizing Thermo-Calc software, The composition range of the spinodal decomposition of the Fe-Cu base alloy is prognosticated with more accuracy; The self-formed mechanism of egg-type microstructure of the Fe-Cu base alloy with spinodal decomposition in the liquid-phase region under gravity conditions is theoretically investigated. Based on the analysis and calculation of interfacial tensile stress induced by the temperature gradient in the process of solidification, the theoretical results interpret preferably the self-formed mechanism of egg-type microstructure of the Fe-Cu base alloy through the analyzing of force states of metallic droplet in the rapid solidification.

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Forepassed researches on conditions of selfenforcing environmental agreements are focused on coalition stability. Here the notion of coalition equilibrium is used to discuss the possibilities to sign the climate convention under four representative cases.

以往的研究大多通過聯(lián)盟穩(wěn)定性概念論述"自我強(qiáng)制"協(xié)議的條件精品久久99国产精品，本文則通過聯(lián)盟均衡概念分析四種典型情形下達(dá)成合作協(xié)議的可能性。

In Chapter 4, we consider the solvability of a system of vector equilibrium problems With_+-conditions.

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By using stability methods, when the given parameter meets certain conditions, the stability of equilibrium is discussed.

利用微分方程定性理論，當(dāng)給定多數(shù)滿足一定條件下，討論了該系統(tǒng)平衡點(diǎn)的穩(wěn)定性態(tài)国产免费播放网站。

Based on the study of geological background conditions and the factors inducing the failure of dangerous rocks, this paper explains the distribution and morphological characteristics of dangerous rocks in Fengcheng town, provides the classification of the failure modes of the dangerous rocks in this area, and analyses the stabilities of six representative monomers of dangerous rocks qualitatively by stereographic projection method and quantitatively by limit equilibrium method.

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It may be worth noting that this analysis in terms of "attainable areas" resolves in a satisfactory way the question of stable versus unstable equilibrium positions, which has been much discussed in the literature in terms of an alleged conflict between the "Walras" and "Marshall" conditions.

值得提請(qǐng)注意的是，這個(gè)關(guān)于"可實(shí)現(xiàn)領(lǐng)域"的分析黄色的视频你懂的，以一種令人滿意的方式这里只有精品一区二区，解決了穩(wěn)定與不穩(wěn)定均衡狀態(tài)的問題——這個(gè)問題在文獻(xiàn)中以所謂的"Walras"和"Marshall"的條件之爭的形式有過很多討論。

The feedback controls, including linear, speed, doubly-periodic function, hyperbolic function and trigonometric function are used to suppress chaos to one of the three unstable equilibrium. The Routh-Hurwtiz theorem is applied to derive the conditions of stability of the controlled system.

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Based upon the various conditions of the content, the charge and the equilibrium, the present paper has derived systematically five content equations according to different types of acids and bases as follows:Strong acids, weak acids, strong bases, weak bases and amphiprotic substances.

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We obtain the sufficient conditions for the global attractivity of the zero solution and the positive equilibrium N.

研究具有多個(gè)滯量的離散Nicholson蒼蠅模型的全局吸引性玖玖玖免费视频，獲得了零解全局一致漸近穩(wěn)定及正平衡態(tài)N＊全局吸引的充分條件，推廣了已有的相應(yīng)結(jié)論。