Journal of Yanan University(Natural Science Edition) 2005 Issue 2 The combinatorial identities of some sequences

The combinatorial identities of some sequences
AN Gang;GAO Li

..............page:6-7,12

A number theory function and its 8-th power means value formula
GAO Li;CHEN Jun-feng

..............page:3-5

On a problem of F.Smarandache
ZHU Min-hui;XIAO Guang-fa

..............page:1-2

The identical relations about n-order Bernoulli Numbers
FU Yong-jun;ZHU Wei-yi

..............page:8-9,12

The smarandache ceil function of order k and k-throots of positive interger
FENG Qiang;WANG Rong-buo

..............page:10-12

On the mean value formula of the square root sequence(Ⅰ)
HE Xiao-lin

..............page:13-14

On set-valued Monotone mapping in linear 2-Normed space
XIONG Dao-tong;WANG Yan-jun

..............page:15-17

A characterization theory of projection order homomorphism in LF topological space
WU Yu-mei;LI Shun-qin

..............page:18-20

Popularization and application of a new integral inequality
QIAO Xi-min

..............page:21-22,29

ou ji li de kong jian de ji ge deng jia ding yi
liu xing xiang ; xu qiu xia

..............page:23-24

On optimality conditions for a Class of semi-infinite programming
JIA Li-ping;XIN Jian-jun

..............page:25-29

A new proof of minimization vector theorem
ZHAO Hua-xin;XIA Zhi-guo

..............page:30-31

On pre-test of significance of linear regression equation
WANG Chen-yang;WANG Cheng

..............page:32-34

The Characteristic of next generation Internet
ZHANG Gen-yao;ZHANG Wei-hu;HUANG Xie;LI Mei-ying

..............page:35-38

Experimental study on solid colored spherical aberration
LIU Zhu-Qin;XU Hong

..............page:39-40

Temperature measurement based on MCS-51 single chip microcomputer
DONG Xiao-you;BAI Ze-sheng;LIU Ru

..............page:41-44,52

A lock delay experiment power source based on 555 time base circuit
LI Jian-xin;HOU Xin-ru;ZHANG Yu-qiang;DONG Xiao-you

..............page:45-46

Design of liquid density sensor
REN Xin-cheng;WANG Yu-qing;YANG De-fu

..............page:47-48

Analysis on air quality and its influencing factors in Yanan city
MAO Yong-feng;HUANG Yu-jie;HOU Chun-xia;YANG Zhi-guo

..............page:49-52

Synthesis of Isoamyl hexanoate
MA Rong-xuan;LI Ji-zhong

..............page:53-54

Synthesis of n-butyl acetate with sodiuim bisulfate as catalyst
WANG Qiao;MA Rong-xuan;LIU Bing

..............page:55-56,60

Study on thermodynamics properties of zine chloride in mixed solvent of alcohol and water
HOU Xiang-yang;WANG Ji-wu;GAO Lou-jun;YANG Xiang-kui;SHEN Ying-jun

..............page:57-60

Factors affecting determination of salt in crude oils with microcoulometric method
KOU Shuan-hu;TIAN Jin-guang;DI Yan-qin

..............page:61-63

shan xi sheng ti yu zhuan ye zhao sheng xian zhuang de tan tao
zhang jin qiang ; cao xue zuo

..............page:85-86

Present situation and conception of reform in P.E teaching of General Colleges and universities
ZONG You-zhi;ZHOU Fu-Ming;GUO Ye-long;TANG Xu-dong

..............page:87-89

On cultivating of libero's judgement ability
CHANG Bao-rong

..............page:90-92

yan an da xue xue zhe wang ji wu jiao shou

..............page:封二

Description of the Female of Flatovertex rufotibialis Zheng (Orthoptera: Acridoidea:Oedipodidae)
WANG Wen-qiang;YANG Zi-Zhong

..............page:64-65

Present situation of feeding brown-eared pheasant and its countermeasure
LI Yan-qing;SUN Zhi-hong;HE Zheng-guo;HE Guo;LIAN Fan

..............page:66-69

Bacterial detection of water quality in purified water and spring water of Yanan city
GAO Xiao-peng;CHEN Dan;YANG Zhen

..............page:70-71

A new teaching skill training model for Normal students based on information technology
LIU Rui-ru;WU Hai-Ming;WANG Cheng-po

..............page:72-74,92

Thinking on current situation of developing modern distance education in China
CHENG Ming

..............page:75-77

On the development of college students' information quality
ZHANG Shen-zheng;LI Qiao-fei

..............page:78-81

lun wu li jiao xue zhong xue sheng chuang zao xing si wei neng li de pei yang
liu peng tu ; bai cai xia

..............page:82-84