A study on removing dissolved oxygen with hydrophobic polypropylene(PP)hollow fiber
liu guan yi (department of civil engineering; hebei institute of technology; tangshan hebei 063009; china)

..............page:51-55

Some Corollaries of Rolle Theorem
zhag yong zhen (department of basic; tangshan polytechnic college; tangshan hebei 063009; china)

..............page:66-67,85

SEM analysis of microstructure and effect of annealing on crystallization of boundary glass of ZTM composites obtained by reaction-sinter
liang bo 1; zhang qing jun 2 (1.department of materials; hebei instinute of technology; tangshan hebei 063009; china; 2.department of basic courses; hebei institute of technology; tangshan hebei 063009; china)

..............page:38-42

Data organization of mining subsidence process system based on object-oriented programming technology
shen li qun ; huan qi ming 2 (1.department of resource engineering; hebei institute of technology; tangshan; hebei 063009; china; 2.department of mathematics and physics; hebei institute of technology; tangshan; hebei 063009; china)

..............page:30-34

The disign of fuzzy control system for water level of laboritory water tank device
gong rui kun; li qi ping (department of automation hebei institute of technology; tangshan hebei 063009; china)

..............page:25-29,50

FEM modeling on reasonable sequence of extraction of the eastern district in Xiaoguanzhuang iron mine
song wei dong; du cui feng (resources engrg school; beijing science and technology university; beijing 100083; china)

..............page:1-5

Research on physical properties and desulfurization ability of 12CaO·7Al_2O_3 refining slag
wang shu huan 1; tang guo zhang 1; li fu min 1; xu zhi ping 2; wang shuo ming 1; liu yue qin 2 (1.department of metallurgy; hebei institute of technology; tangshan hebei 063009; china; 2.songting iron and steel co.ltd; tangshan hebei; 064400; china

..............page:9-13

The establishment and application of computing formula for magnet separator's driving motor power
zhang zhen ming; jia xiao ming (department of mechanical enggineering; hebei institute of technology; tangshan hebei 063009; china)

..............page:6-8,13

The synthesis of tert-amylbenzene catalyzed by AlCl_3-H_2SO_4
dong yu huan 1; meng qing zhao 1; kang ru hong 2; yu hai tao 2 (1 department of chemistry; tangshan teachers college; tangshan hebei 063000; china; 2 department of chemistry; hebei teachers university; shijiazhuang hebei 050016; china)

..............page:43-46

Control of silicon content in H08 steel continuous casting production
he dong ying 1; zhang yu si 1; wu zhen gang 1; xu zhi ping 2; wang shu huan 3; wang shuo ming 3 (1 tangshan iron and steel (group)co.; 063016; china; 2 songting iron and steel co.ltd; tangshan; 064400; 3.hebei institute of technology; 063009; china)

..............page:14-19,24

The proof of goldbach conjecture with the method in opposite direction of superimposed number axis
yao xing zhi (bureon of public security in laoting county; laoting hebei 063600; china)

..............page:59-62,65

The development of the heat-insulated and anti-conglutinated composite coat used in the preheater system of the rotary kiln
bu jing long; wu yin lin; zhang cai wen (department of material; hebei institute of techanology; tangshan hebei 063009; china)

..............page:47-50

The discussion on a sort of indefinite field of definitions
cui wan chen (department of maths; tangshan teacher s college; tangshan hebei 063000; china)

..............page:63-65

Layout and torsion stiffness of slant beams in hollow box girder framework
qing guang hui; meng xian ju (tian jin unuversitym; tianjin 300072; china)

..............page:86-92

The discussion on the extraordinary ray's total reflection
shi feng liang (department of physics; tangshan teacher s college; tangshan hebei 063000; china)

..............page:74-76

A study on the development of the electromagnetic refrigerationg machine
li xin gang (chengde college of petroleum; chengde hebei 067000; china)

..............page:77-80

The revised step-by-step alternative method and its application in symmetry proidem
jia pei qiang (department of basic; tangshan polytechnic college; tangshan hebei 063009; china)

..............page:71-73,70

A probalilty forecast model of an earthquake striken city
li fan; tong xiao jun; su you po (department of civiil engineering; hebei institute of technology; tangshan hebei 063009; china)

..............page:81-85

The oscillatory behavior of solutions of a class of second order differential equations with deviating arguments
tian li ping (department of mathematics and physics; hebei institute of technology; tangshan hebei 063009; china)

..............page:56-58

A new technology for the production of cupric sulfate from malachite
xu ying (department of material engineering; hebei institute of technology; tangshan hebei 063009; china)

..............page:35-37,92

A proof of ulam conjecture
song tang qin; dong yong quan (department of mathematics; tangshan teachers college; tangshan hebei 063000; china)

..............page:68-70

The design of Crank-Rocker Mechanism in Accordance With the Travel Velocity-Ratio Coefficient K
feng li yan 1; gao qian yun 2; wang jian ling 3 (1 department of mechanical engineering; hebei institute of technology; tangshan hebei 063009; china; 2.department of mechanical engineering; tangshan industry school; tangshan hebei 063000; china; 3.depart

..............page:20-24