cyclicity相关论文
In this paper,we study weighted composition operators on the Fock space F2.We prove that each bounded composition operat......
Relationship between Milankovitch eccentricity cyclicity and chemo-cycles from the upper Givetian (D
The simultaneity and the regionality of the chemo-cycles are proved by cycle-to-cycle correlation integrated with conodo......
New conditions for a planar homoclinic loop to have cyclicity two under multiple parameter perturbations have been obtai......
This paper deals with the cyclicity of a kind of degenerate planar polycycles through a saddle-node P0 and two hyperboli......
Porosity distribution in cyclic dolomites of the Lower Qiulitag Group (Upper Cambrian) in northweste
Increasing interests in hydrocarbon resources at depths have drawn greater attentions to the deeply-buried carbonate res......
Returning of cyclicity in infertile Corriedale Sheep with natural progesterone and GnRH based strate
Objective: To evaluate the ret of ovarian cyclicity with four hormone based protocols during non-breeding season in infe......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Linear estimation and distribution of the limit cycles bifurcated from a kind of degenerate polycycl
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
This paper deals with the cyclicity of a kind of degenerate planar polycycles through a saddle-node P0 and two hyperboli......
Linear estimation and distribution of the limit cycles bifurcated from a kind of degenerate polycycl
In this paper, we investigate the number and the distribution of the limit cycles bifurcated from a kind of degenerate p......
Deadly oasis:Recurrent annihilation of Cretaceous desert bryophyte colonies;the role of solar,climat
Many oases(wet interdunes)are sedimentary systems characterized by high-frequency water-level oscillations,marked change......
泌阳断陷双河－赵凹地区下第三系核三上段包括三个陆相层序，它们在岩石类型，矿物成分，化学成分及Ｃ、Ｏ同位素特征等方面，均呈现旋回性变化规......
通过阐述当今水资源短缺的情况,例举了国外和国内污水资源化(污水再生利用)的一些示范工程和应用工程,以此来说明污水资源化在我国......
Background:Our previous studies revealed cyclicity in the incidence rate of skin malignant melanoma(SMM;ICD9,Dx:172)in t......
本文应用有限光滑正规形理论，对可积系统的多角环Ｓ＾（２），在小扰动下，当满足一定的非退化条件时，证明其环性为２。......
本文认为:当今世界经济中的"新经济"应包含四大部分:经济"全球化"是当今世界范围最主要的"新经济";美国的"新经济"模式是区域性新......
在岩石学特征分析的基础上,结合本区广为发育的火山间歇期沉凝灰岩、凝灰质粉砂岩以及其中的古生物化石特征等,作者将四合屯-义县......
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文章在具有再生核函数的多元整函数Hilbert空间中找出了关于偏微分算子的一个循环向量，讨论了偏微分算子序列在多元整函数空间上的......
利用ＹｕＳＩｌｙｓｈｅｎｋｏ等人的有限光滑正规形理论，用无穷小 方法研究了一平面Ｈａｍｉｌｔｏｎ系统的奇异环Ｓ＾（３）在自治小扰动下的分歧现象，......
共生生金菌的生长具有周期性的变化特征，与锰相互作用也表现出了周期性的变化规律。该细菌影响着含锰溶液体系的ｐＨ和Ｅｈ，能将低价态的锰氧......
考虑加权狄利克雷空间上循环性问题,用∏表示复平面上的单位圆盘,H2表示二阶Hardy空间,Dδ=∈H2:(u)=∑∞n=0αnu2,∑∞n=0(n+......
基于8个井区的回剥分析，研究了松辽盆地北部构造沉降史，构造沉降曲线分为断陷阶段、坳陷阶段和构造反转阶段，松辽盆地普遍经历了2次抬......
Orbital cyclicity in sedimentary sequence and climatic indications of C-O isotopes from Lower Cretac
Sedimentary deposits of the Lower Cretaceous Xiagou Formation form the most significant potential hydrocarbon reservoirs......
与一个 ischronous 中心在二次的系统的小二次的不安区分的限制周期的数字被学习，结果在一个种二次的等时的中心附近的时期体环的 c......
以灰色系统理论的基础，利用ＧＭ（１，１）模型将经济波动中的周期性因素进行了分离，对造成经济周期性波动的成因进行了量化分析。......
Porosity distribution in cyclic dolomites of the Lower Qiulitag Group(Upper Cambrian)in northwestern
Increasing interests in hydrocarbon resources at depths have drawn greater attentions to the deeply-buried carbonate res......
