group of n cycles

This paper discusses the relation beween order classification and isomorphic classification, gives some important characteristic properties of a cyclic group with order n and a important property of a p-group with finite order, introduces two factorization method of direct product for commutative p-group with finite order, presents some new problems.

討論了階分類與同構分類的關系,給出了n階循環群的幾個重要的特征性質和有限p-群的一個重要性質,介紹了有限交換p-群直積分解的兩種方法,提出了一些新的問題。

The N cycle of rubber tea chicken eco agricultural model,a typical tropical agro forestry system in Wenchang municipality of Hainan province,was studied with quantitative experiment and qualitative analysis,compared with rubber and rubeer tea systems.

以海南省文昌市典型的膠 茶 雞農林復合系統模式為研究對象 ,以單作膠園、膠茶間作園為對照 ,采用定量研究與定性分析相結合的方法 ,研究其N循環規律 。

So "the primary studies on nitrogen and phosphorus cycling and pollutant refining in the Yangtze Es.

長江口濱海濕地是我國重要的河口型濕地，生物多樣性豐富，是天然的基因庫，是高生產力的生態系統，但正遭受污水排放、圍墾造地等人類行為的影響，三峽工程、南水北調工程的完成也將影響到長江口濱海濕地的正常功能，因此“長江口濱海濕地N、P循環及污染凈化初步研究”具有重要的現實意義。

Local n-cocycles of Abelian von Neumann Algebras

交換von Neumann代數的局部n-上循環

Local n-cocycles of Abelian von Neumann Algebras

交換von Neumann代數的局部n-上循環

Cyclic Codes over F_2+uF_2 of Length 2n

環F_2+uF_2上長度為2n(n為奇數)的循環碼

On Cyclic Voltammetry Behavior of N-Methylaniline at Different Electrodes;

N-甲基苯胺在不同電極材料上的循環伏安行為

Hypercyclic Operator in C_0(N) and C_0(Z) Space;

空間C_0（N）和C_0（Z）中超循環算子

Necessary Conditions for the Existence of Cyclic(3,1)-GDD(g~n)

循環(3,1)-GDD(g~n)存在的必要條件

A discussion on the constitution of an Abel group by the collection of n step cyclic matrix

關于n階循環矩陣成Abel群的討論

Calculation for nth Order r-Recurrent Determinant and Its Application

n階r-循環行列式的計算及其應用

Changes of Concentration of 20 Peptide at Proadrenomedullin N Terminal in Coronary Heart Disease Patients and Its Changes in Coronary Circulation;

冠心病患者腎上腺髓質素前體N端20肽濃度及在冠脈循環中的變化

Research on Cyclic Code and Constacyclic Code over Ring F_2+uF_2;

環F_2+uF_2上的循環碼和常循環碼的研究

Cyclic Cycle Decompositions of the Complete Bipartite Graph K_(n, n) and the Edge-Balance Index Sets

完全二部圖K_（n，n）的循環圈分解及邊—平衡指數集

Nutritional Cycling and Transformation Processes of Carbon and Nitrogen in Rice Cropping System of Red Soil Region of China;

紅壤稻田系統養分循環與C、N轉化過程

Study on Scale Inhibitory and Dispersing Agents in Seawater of High Cycles of Concentration (N≥2.0);

海水高濃縮倍數（N≥2.0）循環冷卻阻垢分散劑研究

Some Results on the Independence Number of Circulant Graphs C(n;{1,k})

有關循環圖C(n;{1,k})的獨立數的一些結果(英文)

Catalytic Synthesis of N, N-dimethylcyclohexanamine over HX Zeolite;

HX分子篩上催化合成N，N-二甲基環己胺

The Binary Image of K-Cyclic Code, Cyclic Code and Quasi-Cyclic Code over Z_4;

環Z_4上的K-循環碼，循環碼和準循環碼的二進制像

Research on Nitrogen Recycle and Its Effect on Environment in Dry-Land of Loess Plateau;

黃土高原旱地農田生態系統N素循環及其環境效應研究

(1+u~k) constacyclic codes over F_2+uF_2+…+u~kF_2

環F_2+uF_2+…+u~kF_2上的循環碼和(1+u~k)循環碼

Annual and Semi-Annual Cycles of the Upper Thermal Structure in the South China Sea

南海上層海洋熱結構的年循環與半年循環