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(gòu)分類的關(guān)系,給出了n階循環(huán)群的幾個(gè)重要的特征性質(zhì)和有限p-群的一個(gè)重要性質(zhì),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(nóng)林復(fù)合系統(tǒng)模式為研究對(duì)象 ,以單作膠園、膠茶間作園為對(duì)照 ,采用定量研究與定性分析相結(jié)合的方法 ,研究其N循環(huán)規(guī)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(chǎn)力的生態(tài)系統(tǒng)，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(diào)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(huán)及污染凈化初步研究”具有重要的現(xiàn)實(shí)意義。
Local n-cocycles of Abelian von Neumann Algebras
交換von Neumann代數(shù)的局部n-上循環(huán)
Local n-cocycles of Abelian von Neumann Algebras
交換von Neumann代數(shù)的局部n-上循環(huán)
Cyclic Codes over F_2+uF_2 of Length 2n
環(huán)F_2+uF_2上長度為2n(n為奇數(shù))的循環(huán)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(huán)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(huán)算子
Necessary Conditions for the Existence of Cyclic(3,1)-GDD(g~n)
循環(huán)(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(guān)于n階循環(huán)矩陣成Abel群的討論
Calculation for nth Order r-Recurrent Determinant and Its Application
n階r-循環(huán)行列式的計(jì)算及其應(yīng)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(zhì)素前體N端20肽濃度及在冠脈循環(huán)中的變化
Research on Cyclic Code and Constacyclic Code over Ring F_2+uF_2;
環(huán)F_2+uF_2上的循環(huán)碼和常循環(huán)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(huán)圈分解及邊—平衡指數(shù)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(tǒng)養(yǎng)分循環(huán)與C、N轉(zhuǎn)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(shù)（N≥2.0）循環(huán)冷卻阻垢分散劑研究
Some Results on the Independence Number of Circulant Graphs C(n;{1,k})
有關(guān)循環(huán)圖C(n;{1,k})的獨(dú)立數(shù)的一些結(jié)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(huán)己胺
The Binary Image of K-Cyclic Code, Cyclic Code and Quasi-Cyclic Code over Z_4;
環(huán)Z_4上的K-循環(huán)碼，循環(huán)碼和準(zhǔn)循環(huán)碼的二進(jìn)制像
Research on Nitrogen Recycle and Its Effect on Environment in Dry-Land of Loess Plateau;
黃土高原旱地農(nóng)田生態(tài)系統(tǒng)N素循環(huán)及其環(huán)境效應(yīng)研究
(1+u~k) constacyclic codes over F_2+uF_2+…+u~kF_2
環(huán)F_2+uF_2+…+u~kF_2上的循環(huán)碼和(1+u~k)循環(huán)碼
Annual and Semi-Annual Cycles of the Upper Thermal Structure in the South China Sea
南海上層海洋熱結(jié)構(gòu)的年循環(huán)與半年循環(huán)